PackageManagerService.java revision 3bbef521d4b07f86010ba0729a36ff8b73bcb0ac
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.system.OsConstants.S_IRWXU; 27import static android.system.OsConstants.S_IRGRP; 28import static android.system.OsConstants.S_IXGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IXOTH; 31import static android.os.Process.PACKAGE_INFO_GID; 32import static android.os.Process.SYSTEM_UID; 33import static com.android.internal.util.ArrayUtils.appendInt; 34import static com.android.internal.util.ArrayUtils.removeInt; 35 36import com.android.internal.R; 37import com.android.internal.app.IMediaContainerService; 38import com.android.internal.app.ResolverActivity; 39import com.android.internal.content.NativeLibraryHelper; 40import com.android.internal.content.PackageHelper; 41import com.android.internal.util.FastPrintWriter; 42import com.android.internal.util.FastXmlSerializer; 43import com.android.internal.util.XmlUtils; 44import com.android.server.EventLogTags; 45import com.android.server.IntentResolver; 46import com.android.server.LocalServices; 47import com.android.server.ServiceThread; 48import com.android.server.Watchdog; 49import com.android.server.storage.DeviceStorageMonitorInternal; 50 51import org.xmlpull.v1.XmlPullParser; 52import org.xmlpull.v1.XmlPullParserException; 53import org.xmlpull.v1.XmlSerializer; 54 55import android.app.ActivityManager; 56import android.app.ActivityManagerNative; 57import android.app.IActivityManager; 58import android.app.admin.IDevicePolicyManager; 59import android.app.backup.IBackupManager; 60import android.content.BroadcastReceiver; 61import android.content.ComponentName; 62import android.content.Context; 63import android.content.IIntentReceiver; 64import android.content.Intent; 65import android.content.IntentFilter; 66import android.content.IntentSender; 67import android.content.IntentSender.SendIntentException; 68import android.content.ServiceConnection; 69import android.content.pm.ActivityInfo; 70import android.content.pm.ApplicationInfo; 71import android.content.pm.ContainerEncryptionParams; 72import android.content.pm.FeatureInfo; 73import android.content.pm.IPackageDataObserver; 74import android.content.pm.IPackageDeleteObserver; 75import android.content.pm.IPackageInstallObserver; 76import android.content.pm.IPackageManager; 77import android.content.pm.IPackageMoveObserver; 78import android.content.pm.IPackageStatsObserver; 79import android.content.pm.InstrumentationInfo; 80import android.content.pm.ManifestDigest; 81import android.content.pm.PackageCleanItem; 82import android.content.pm.PackageInfo; 83import android.content.pm.PackageInfoLite; 84import android.content.pm.PackageManager; 85import android.content.pm.PackageParser.ActivityIntentInfo; 86import android.content.pm.PackageParser; 87import android.content.pm.PackageStats; 88import android.content.pm.PackageUserState; 89import android.content.pm.ParceledListSlice; 90import android.content.pm.PermissionGroupInfo; 91import android.content.pm.PermissionInfo; 92import android.content.pm.ProviderInfo; 93import android.content.pm.ResolveInfo; 94import android.content.pm.ServiceInfo; 95import android.content.pm.Signature; 96import android.content.pm.VerificationParams; 97import android.content.pm.VerifierDeviceIdentity; 98import android.content.pm.VerifierInfo; 99import android.content.res.Resources; 100import android.hardware.display.DisplayManager; 101import android.net.Uri; 102import android.os.Binder; 103import android.os.Build; 104import android.os.Bundle; 105import android.os.Environment; 106import android.os.Environment.UserEnvironment; 107import android.os.FileObserver; 108import android.os.FileUtils; 109import android.os.Handler; 110import android.os.IBinder; 111import android.os.Looper; 112import android.os.Message; 113import android.os.Parcel; 114import android.os.ParcelFileDescriptor; 115import android.os.Process; 116import android.os.RemoteException; 117import android.os.SELinux; 118import android.os.ServiceManager; 119import android.os.SystemClock; 120import android.os.SystemProperties; 121import android.os.UserHandle; 122import android.os.UserManager; 123import android.security.KeyStore; 124import android.security.SystemKeyStore; 125import android.system.ErrnoException; 126import android.system.Os; 127import android.system.StructStat; 128import android.text.TextUtils; 129import android.util.AtomicFile; 130import android.util.DisplayMetrics; 131import android.util.EventLog; 132import android.util.Log; 133import android.util.LogPrinter; 134import android.util.PrintStreamPrinter; 135import android.util.Slog; 136import android.util.SparseArray; 137import android.util.Xml; 138import android.view.Display; 139 140import java.io.BufferedInputStream; 141import java.io.BufferedOutputStream; 142import java.io.File; 143import java.io.FileDescriptor; 144import java.io.FileInputStream; 145import java.io.FileNotFoundException; 146import java.io.FileOutputStream; 147import java.io.FileReader; 148import java.io.FilenameFilter; 149import java.io.IOException; 150import java.io.InputStream; 151import java.io.PrintWriter; 152import java.nio.charset.StandardCharsets; 153import java.security.NoSuchAlgorithmException; 154import java.security.PublicKey; 155import java.security.cert.CertificateException; 156import java.text.SimpleDateFormat; 157import java.util.ArrayList; 158import java.util.Arrays; 159import java.util.Collection; 160import java.util.Collections; 161import java.util.Comparator; 162import java.util.Date; 163import java.util.HashMap; 164import java.util.HashSet; 165import java.util.Iterator; 166import java.util.List; 167import java.util.Map; 168import java.util.Set; 169import java.util.concurrent.atomic.AtomicBoolean; 170import java.util.concurrent.atomic.AtomicLong; 171 172import dalvik.system.DexFile; 173import dalvik.system.StaleDexCacheError; 174import dalvik.system.VMRuntime; 175import libcore.io.IoUtils; 176 177/** 178 * Keep track of all those .apks everywhere. 179 * 180 * This is very central to the platform's security; please run the unit 181 * tests whenever making modifications here: 182 * 183mmm frameworks/base/tests/AndroidTests 184adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 185adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 186 * 187 * {@hide} 188 */ 189public class PackageManagerService extends IPackageManager.Stub { 190 static final String TAG = "PackageManager"; 191 static final boolean DEBUG_SETTINGS = false; 192 static final boolean DEBUG_PREFERRED = false; 193 static final boolean DEBUG_UPGRADE = false; 194 private static final boolean DEBUG_INSTALL = false; 195 private static final boolean DEBUG_REMOVE = false; 196 private static final boolean DEBUG_BROADCASTS = false; 197 private static final boolean DEBUG_SHOW_INFO = false; 198 private static final boolean DEBUG_PACKAGE_INFO = false; 199 private static final boolean DEBUG_INTENT_MATCHING = false; 200 private static final boolean DEBUG_PACKAGE_SCANNING = false; 201 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 202 private static final boolean DEBUG_VERIFY = false; 203 private static final boolean DEBUG_DEXOPT = false; 204 205 private static final int RADIO_UID = Process.PHONE_UID; 206 private static final int LOG_UID = Process.LOG_UID; 207 private static final int NFC_UID = Process.NFC_UID; 208 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 209 private static final int SHELL_UID = Process.SHELL_UID; 210 211 private static final boolean GET_CERTIFICATES = true; 212 213 private static final int REMOVE_EVENTS = 214 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 215 private static final int ADD_EVENTS = 216 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 217 218 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 219 // Suffix used during package installation when copying/moving 220 // package apks to install directory. 221 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 222 223 static final int SCAN_MONITOR = 1<<0; 224 static final int SCAN_NO_DEX = 1<<1; 225 static final int SCAN_FORCE_DEX = 1<<2; 226 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 227 static final int SCAN_NEW_INSTALL = 1<<4; 228 static final int SCAN_NO_PATHS = 1<<5; 229 static final int SCAN_UPDATE_TIME = 1<<6; 230 static final int SCAN_DEFER_DEX = 1<<7; 231 static final int SCAN_BOOTING = 1<<8; 232 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 233 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 234 235 static final int REMOVE_CHATTY = 1<<16; 236 237 /** 238 * Timeout (in milliseconds) after which the watchdog should declare that 239 * our handler thread is wedged. The usual default for such things is one 240 * minute but we sometimes do very lengthy I/O operations on this thread, 241 * such as installing multi-gigabyte applications, so ours needs to be longer. 242 */ 243 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 244 245 /** 246 * Whether verification is enabled by default. 247 */ 248 private static final boolean DEFAULT_VERIFY_ENABLE = true; 249 250 /** 251 * The default maximum time to wait for the verification agent to return in 252 * milliseconds. 253 */ 254 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 255 256 /** 257 * The default response for package verification timeout. 258 * 259 * This can be either PackageManager.VERIFICATION_ALLOW or 260 * PackageManager.VERIFICATION_REJECT. 261 */ 262 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 263 264 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 265 266 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 267 DEFAULT_CONTAINER_PACKAGE, 268 "com.android.defcontainer.DefaultContainerService"); 269 270 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 271 272 private static final String LIB_DIR_NAME = "lib"; 273 private static final String LIB64_DIR_NAME = "lib64"; 274 275 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 276 277 static final String mTempContainerPrefix = "smdl2tmp"; 278 279 final ServiceThread mHandlerThread; 280 281 private static String sPreferredInstructionSet; 282 283 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 284 private static final String IDMAP_SUFFIX = "@idmap"; 285 286 final PackageHandler mHandler; 287 288 final int mSdkVersion = Build.VERSION.SDK_INT; 289 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 290 ? null : Build.VERSION.CODENAME; 291 292 final Context mContext; 293 final boolean mFactoryTest; 294 final boolean mOnlyCore; 295 final DisplayMetrics mMetrics; 296 final int mDefParseFlags; 297 final String[] mSeparateProcesses; 298 299 // This is where all application persistent data goes. 300 final File mAppDataDir; 301 302 // This is where all application persistent data goes for secondary users. 303 final File mUserAppDataDir; 304 305 /** The location for ASEC container files on internal storage. */ 306 final String mAsecInternalPath; 307 308 // This is the object monitoring the framework dir. 309 final FileObserver mFrameworkInstallObserver; 310 311 // This is the object monitoring the system app dir. 312 final FileObserver mSystemInstallObserver; 313 314 // This is the object monitoring the privileged system app dir. 315 final FileObserver mPrivilegedInstallObserver; 316 317 // This is the object monitoring the system app dir. 318 final FileObserver mVendorInstallObserver; 319 320 // This is the object monitoring the vendor overlay package dir. 321 final FileObserver mVendorOverlayInstallObserver; 322 323 // This is the object monitoring mAppInstallDir. 324 final FileObserver mAppInstallObserver; 325 326 // This is the object monitoring mDrmAppPrivateInstallDir. 327 final FileObserver mDrmAppInstallObserver; 328 329 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 330 // LOCK HELD. Can be called with mInstallLock held. 331 final Installer mInstaller; 332 333 final File mAppInstallDir; 334 335 /** 336 * Directory to which applications installed internally have native 337 * libraries copied. 338 */ 339 private File mAppLibInstallDir; 340 341 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 342 // apps. 343 final File mDrmAppPrivateInstallDir; 344 345 // ---------------------------------------------------------------- 346 347 // Lock for state used when installing and doing other long running 348 // operations. Methods that must be called with this lock held have 349 // the prefix "LI". 350 final Object mInstallLock = new Object(); 351 352 // These are the directories in the 3rd party applications installed dir 353 // that we have currently loaded packages from. Keys are the application's 354 // installed zip file (absolute codePath), and values are Package. 355 final HashMap<String, PackageParser.Package> mAppDirs = 356 new HashMap<String, PackageParser.Package>(); 357 358 // Information for the parser to write more useful error messages. 359 int mLastScanError; 360 361 // ---------------------------------------------------------------- 362 363 // Keys are String (package name), values are Package. This also serves 364 // as the lock for the global state. Methods that must be called with 365 // this lock held have the prefix "LP". 366 final HashMap<String, PackageParser.Package> mPackages = 367 new HashMap<String, PackageParser.Package>(); 368 369 // Tracks available target package names -> overlay package paths. 370 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 371 new HashMap<String, HashMap<String, PackageParser.Package>>(); 372 373 final Settings mSettings; 374 boolean mRestoredSettings; 375 376 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 377 int[] mGlobalGids; 378 379 // These are the built-in uid -> permission mappings that were read from the 380 // etc/permissions.xml file. 381 final SparseArray<HashSet<String>> mSystemPermissions = 382 new SparseArray<HashSet<String>>(); 383 384 static final class SharedLibraryEntry { 385 final String path; 386 final String apk; 387 388 SharedLibraryEntry(String _path, String _apk) { 389 path = _path; 390 apk = _apk; 391 } 392 } 393 394 // These are the built-in shared libraries that were read from the 395 // etc/permissions.xml file. 396 final HashMap<String, SharedLibraryEntry> mSharedLibraries 397 = new HashMap<String, SharedLibraryEntry>(); 398 399 // Temporary for building the final shared libraries for an .apk. 400 String[] mTmpSharedLibraries = null; 401 402 // These are the features this devices supports that were read from the 403 // etc/permissions.xml file. 404 final HashMap<String, FeatureInfo> mAvailableFeatures = 405 new HashMap<String, FeatureInfo>(); 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 // All available activities, for your resolving pleasure. 414 final ActivityIntentResolver mActivities = 415 new ActivityIntentResolver(); 416 417 // All available receivers, for your resolving pleasure. 418 final ActivityIntentResolver mReceivers = 419 new ActivityIntentResolver(); 420 421 // All available services, for your resolving pleasure. 422 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 423 424 // All available providers, for your resolving pleasure. 425 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 426 427 // Mapping from provider base names (first directory in content URI codePath) 428 // to the provider information. 429 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 430 new HashMap<String, PackageParser.Provider>(); 431 432 // Mapping from instrumentation class names to info about them. 433 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 434 new HashMap<ComponentName, PackageParser.Instrumentation>(); 435 436 // Mapping from permission names to info about them. 437 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 438 new HashMap<String, PackageParser.PermissionGroup>(); 439 440 // Packages whose data we have transfered into another package, thus 441 // should no longer exist. 442 final HashSet<String> mTransferedPackages = new HashSet<String>(); 443 444 // Broadcast actions that are only available to the system. 445 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 446 447 /** List of packages waiting for verification. */ 448 final SparseArray<PackageVerificationState> mPendingVerification 449 = new SparseArray<PackageVerificationState>(); 450 451 HashSet<PackageParser.Package> mDeferredDexOpt = null; 452 453 /** Token for keys in mPendingVerification. */ 454 private int mPendingVerificationToken = 0; 455 456 boolean mSystemReady; 457 boolean mSafeMode; 458 boolean mHasSystemUidErrors; 459 460 ApplicationInfo mAndroidApplication; 461 final ActivityInfo mResolveActivity = new ActivityInfo(); 462 final ResolveInfo mResolveInfo = new ResolveInfo(); 463 ComponentName mResolveComponentName; 464 PackageParser.Package mPlatformPackage; 465 ComponentName mCustomResolverComponentName; 466 467 boolean mResolverReplaced = false; 468 469 // Set of pending broadcasts for aggregating enable/disable of components. 470 static class PendingPackageBroadcasts { 471 // for each user id, a map of <package name -> components within that package> 472 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 473 474 public PendingPackageBroadcasts() { 475 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 476 } 477 478 public ArrayList<String> get(int userId, String packageName) { 479 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 480 return packages.get(packageName); 481 } 482 483 public void put(int userId, String packageName, ArrayList<String> components) { 484 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 485 packages.put(packageName, components); 486 } 487 488 public void remove(int userId, String packageName) { 489 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 490 if (packages != null) { 491 packages.remove(packageName); 492 } 493 } 494 495 public void remove(int userId) { 496 mUidMap.remove(userId); 497 } 498 499 public int userIdCount() { 500 return mUidMap.size(); 501 } 502 503 public int userIdAt(int n) { 504 return mUidMap.keyAt(n); 505 } 506 507 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 508 return mUidMap.get(userId); 509 } 510 511 public int size() { 512 // total number of pending broadcast entries across all userIds 513 int num = 0; 514 for (int i = 0; i< mUidMap.size(); i++) { 515 num += mUidMap.valueAt(i).size(); 516 } 517 return num; 518 } 519 520 public void clear() { 521 mUidMap.clear(); 522 } 523 524 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 525 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 526 if (map == null) { 527 map = new HashMap<String, ArrayList<String>>(); 528 mUidMap.put(userId, map); 529 } 530 return map; 531 } 532 } 533 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 534 535 // Service Connection to remote media container service to copy 536 // package uri's from external media onto secure containers 537 // or internal storage. 538 private IMediaContainerService mContainerService = null; 539 540 static final int SEND_PENDING_BROADCAST = 1; 541 static final int MCS_BOUND = 3; 542 static final int END_COPY = 4; 543 static final int INIT_COPY = 5; 544 static final int MCS_UNBIND = 6; 545 static final int START_CLEANING_PACKAGE = 7; 546 static final int FIND_INSTALL_LOC = 8; 547 static final int POST_INSTALL = 9; 548 static final int MCS_RECONNECT = 10; 549 static final int MCS_GIVE_UP = 11; 550 static final int UPDATED_MEDIA_STATUS = 12; 551 static final int WRITE_SETTINGS = 13; 552 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 553 static final int PACKAGE_VERIFIED = 15; 554 static final int CHECK_PENDING_VERIFICATION = 16; 555 556 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 557 558 // Delay time in millisecs 559 static final int BROADCAST_DELAY = 10 * 1000; 560 561 static UserManagerService sUserManager; 562 563 // Stores a list of users whose package restrictions file needs to be updated 564 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 565 566 final private DefaultContainerConnection mDefContainerConn = 567 new DefaultContainerConnection(); 568 class DefaultContainerConnection implements ServiceConnection { 569 public void onServiceConnected(ComponentName name, IBinder service) { 570 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 571 IMediaContainerService imcs = 572 IMediaContainerService.Stub.asInterface(service); 573 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 574 } 575 576 public void onServiceDisconnected(ComponentName name) { 577 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 578 } 579 }; 580 581 // Recordkeeping of restore-after-install operations that are currently in flight 582 // between the Package Manager and the Backup Manager 583 class PostInstallData { 584 public InstallArgs args; 585 public PackageInstalledInfo res; 586 587 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 588 args = _a; 589 res = _r; 590 } 591 }; 592 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 593 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 594 595 private final String mRequiredVerifierPackage; 596 597 private final PackageUsage mPackageUsage = new PackageUsage(); 598 599 private class PackageUsage { 600 private static final int WRITE_INTERVAL 601 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 602 603 private final Object mFileLock = new Object(); 604 private final AtomicLong mLastWritten = new AtomicLong(0); 605 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 606 607 void write(boolean force) { 608 if (force) { 609 write(); 610 return; 611 } 612 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 613 && !DEBUG_DEXOPT) { 614 return; 615 } 616 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 617 new Thread("PackageUsage_DiskWriter") { 618 public void run() { 619 try { 620 write(true); 621 } finally { 622 mBackgroundWriteRunning.set(false); 623 } 624 } 625 }.start(); 626 } 627 } 628 629 private void write() { 630 synchronized (mPackages) { 631 synchronized (mFileLock) { 632 AtomicFile file = getFile(); 633 FileOutputStream f = null; 634 try { 635 f = file.startWrite(); 636 BufferedOutputStream out = new BufferedOutputStream(f); 637 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 638 StringBuilder sb = new StringBuilder(); 639 for (PackageParser.Package pkg : mPackages.values()) { 640 if (pkg.mLastPackageUsageTimeInMills == 0) { 641 continue; 642 } 643 sb.setLength(0); 644 sb.append(pkg.packageName); 645 sb.append(' '); 646 sb.append((long)pkg.mLastPackageUsageTimeInMills); 647 sb.append('\n'); 648 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 649 } 650 out.flush(); 651 file.finishWrite(f); 652 } catch (IOException e) { 653 if (f != null) { 654 file.failWrite(f); 655 } 656 Log.e(TAG, "Failed to write package usage times", e); 657 } 658 } 659 } 660 mLastWritten.set(SystemClock.elapsedRealtime()); 661 } 662 663 void readLP() { 664 synchronized (mFileLock) { 665 AtomicFile file = getFile(); 666 BufferedInputStream in = null; 667 try { 668 in = new BufferedInputStream(file.openRead()); 669 StringBuffer sb = new StringBuffer(); 670 while (true) { 671 String packageName = readToken(in, sb, ' '); 672 if (packageName == null) { 673 break; 674 } 675 String timeInMillisString = readToken(in, sb, '\n'); 676 if (timeInMillisString == null) { 677 throw new IOException("Failed to find last usage time for package " 678 + packageName); 679 } 680 PackageParser.Package pkg = mPackages.get(packageName); 681 if (pkg == null) { 682 continue; 683 } 684 long timeInMillis; 685 try { 686 timeInMillis = Long.parseLong(timeInMillisString.toString()); 687 } catch (NumberFormatException e) { 688 throw new IOException("Failed to parse " + timeInMillisString 689 + " as a long.", e); 690 } 691 pkg.mLastPackageUsageTimeInMills = timeInMillis; 692 } 693 } catch (FileNotFoundException expected) { 694 } catch (IOException e) { 695 Log.w(TAG, "Failed to read package usage times", e); 696 } finally { 697 IoUtils.closeQuietly(in); 698 } 699 } 700 mLastWritten.set(SystemClock.elapsedRealtime()); 701 } 702 703 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 704 throws IOException { 705 sb.setLength(0); 706 while (true) { 707 int ch = in.read(); 708 if (ch == -1) { 709 if (sb.length() == 0) { 710 return null; 711 } 712 throw new IOException("Unexpected EOF"); 713 } 714 if (ch == endOfToken) { 715 return sb.toString(); 716 } 717 sb.append((char)ch); 718 } 719 } 720 721 private AtomicFile getFile() { 722 File dataDir = Environment.getDataDirectory(); 723 File systemDir = new File(dataDir, "system"); 724 File fname = new File(systemDir, "package-usage.list"); 725 return new AtomicFile(fname); 726 } 727 } 728 729 class PackageHandler extends Handler { 730 private boolean mBound = false; 731 final ArrayList<HandlerParams> mPendingInstalls = 732 new ArrayList<HandlerParams>(); 733 734 private boolean connectToService() { 735 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 736 " DefaultContainerService"); 737 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 738 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 739 if (mContext.bindServiceAsUser(service, mDefContainerConn, 740 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 741 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 742 mBound = true; 743 return true; 744 } 745 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 746 return false; 747 } 748 749 private void disconnectService() { 750 mContainerService = null; 751 mBound = false; 752 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 753 mContext.unbindService(mDefContainerConn); 754 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 755 } 756 757 PackageHandler(Looper looper) { 758 super(looper); 759 } 760 761 public void handleMessage(Message msg) { 762 try { 763 doHandleMessage(msg); 764 } finally { 765 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 766 } 767 } 768 769 void doHandleMessage(Message msg) { 770 switch (msg.what) { 771 case INIT_COPY: { 772 HandlerParams params = (HandlerParams) msg.obj; 773 int idx = mPendingInstalls.size(); 774 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 775 // If a bind was already initiated we dont really 776 // need to do anything. The pending install 777 // will be processed later on. 778 if (!mBound) { 779 // If this is the only one pending we might 780 // have to bind to the service again. 781 if (!connectToService()) { 782 Slog.e(TAG, "Failed to bind to media container service"); 783 params.serviceError(); 784 return; 785 } else { 786 // Once we bind to the service, the first 787 // pending request will be processed. 788 mPendingInstalls.add(idx, params); 789 } 790 } else { 791 mPendingInstalls.add(idx, params); 792 // Already bound to the service. Just make 793 // sure we trigger off processing the first request. 794 if (idx == 0) { 795 mHandler.sendEmptyMessage(MCS_BOUND); 796 } 797 } 798 break; 799 } 800 case MCS_BOUND: { 801 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 802 if (msg.obj != null) { 803 mContainerService = (IMediaContainerService) msg.obj; 804 } 805 if (mContainerService == null) { 806 // Something seriously wrong. Bail out 807 Slog.e(TAG, "Cannot bind to media container service"); 808 for (HandlerParams params : mPendingInstalls) { 809 // Indicate service bind error 810 params.serviceError(); 811 } 812 mPendingInstalls.clear(); 813 } else if (mPendingInstalls.size() > 0) { 814 HandlerParams params = mPendingInstalls.get(0); 815 if (params != null) { 816 if (params.startCopy()) { 817 // We are done... look for more work or to 818 // go idle. 819 if (DEBUG_SD_INSTALL) Log.i(TAG, 820 "Checking for more work or unbind..."); 821 // Delete pending install 822 if (mPendingInstalls.size() > 0) { 823 mPendingInstalls.remove(0); 824 } 825 if (mPendingInstalls.size() == 0) { 826 if (mBound) { 827 if (DEBUG_SD_INSTALL) Log.i(TAG, 828 "Posting delayed MCS_UNBIND"); 829 removeMessages(MCS_UNBIND); 830 Message ubmsg = obtainMessage(MCS_UNBIND); 831 // Unbind after a little delay, to avoid 832 // continual thrashing. 833 sendMessageDelayed(ubmsg, 10000); 834 } 835 } else { 836 // There are more pending requests in queue. 837 // Just post MCS_BOUND message to trigger processing 838 // of next pending install. 839 if (DEBUG_SD_INSTALL) Log.i(TAG, 840 "Posting MCS_BOUND for next woek"); 841 mHandler.sendEmptyMessage(MCS_BOUND); 842 } 843 } 844 } 845 } else { 846 // Should never happen ideally. 847 Slog.w(TAG, "Empty queue"); 848 } 849 break; 850 } 851 case MCS_RECONNECT: { 852 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 853 if (mPendingInstalls.size() > 0) { 854 if (mBound) { 855 disconnectService(); 856 } 857 if (!connectToService()) { 858 Slog.e(TAG, "Failed to bind to media container service"); 859 for (HandlerParams params : mPendingInstalls) { 860 // Indicate service bind error 861 params.serviceError(); 862 } 863 mPendingInstalls.clear(); 864 } 865 } 866 break; 867 } 868 case MCS_UNBIND: { 869 // If there is no actual work left, then time to unbind. 870 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 871 872 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 873 if (mBound) { 874 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 875 876 disconnectService(); 877 } 878 } else if (mPendingInstalls.size() > 0) { 879 // There are more pending requests in queue. 880 // Just post MCS_BOUND message to trigger processing 881 // of next pending install. 882 mHandler.sendEmptyMessage(MCS_BOUND); 883 } 884 885 break; 886 } 887 case MCS_GIVE_UP: { 888 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 889 mPendingInstalls.remove(0); 890 break; 891 } 892 case SEND_PENDING_BROADCAST: { 893 String packages[]; 894 ArrayList<String> components[]; 895 int size = 0; 896 int uids[]; 897 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 898 synchronized (mPackages) { 899 if (mPendingBroadcasts == null) { 900 return; 901 } 902 size = mPendingBroadcasts.size(); 903 if (size <= 0) { 904 // Nothing to be done. Just return 905 return; 906 } 907 packages = new String[size]; 908 components = new ArrayList[size]; 909 uids = new int[size]; 910 int i = 0; // filling out the above arrays 911 912 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 913 int packageUserId = mPendingBroadcasts.userIdAt(n); 914 Iterator<Map.Entry<String, ArrayList<String>>> it 915 = mPendingBroadcasts.packagesForUserId(packageUserId) 916 .entrySet().iterator(); 917 while (it.hasNext() && i < size) { 918 Map.Entry<String, ArrayList<String>> ent = it.next(); 919 packages[i] = ent.getKey(); 920 components[i] = ent.getValue(); 921 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 922 uids[i] = (ps != null) 923 ? UserHandle.getUid(packageUserId, ps.appId) 924 : -1; 925 i++; 926 } 927 } 928 size = i; 929 mPendingBroadcasts.clear(); 930 } 931 // Send broadcasts 932 for (int i = 0; i < size; i++) { 933 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 934 } 935 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 936 break; 937 } 938 case START_CLEANING_PACKAGE: { 939 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 940 final String packageName = (String)msg.obj; 941 final int userId = msg.arg1; 942 final boolean andCode = msg.arg2 != 0; 943 synchronized (mPackages) { 944 if (userId == UserHandle.USER_ALL) { 945 int[] users = sUserManager.getUserIds(); 946 for (int user : users) { 947 mSettings.addPackageToCleanLPw( 948 new PackageCleanItem(user, packageName, andCode)); 949 } 950 } else { 951 mSettings.addPackageToCleanLPw( 952 new PackageCleanItem(userId, packageName, andCode)); 953 } 954 } 955 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 956 startCleaningPackages(); 957 } break; 958 case POST_INSTALL: { 959 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 960 PostInstallData data = mRunningInstalls.get(msg.arg1); 961 mRunningInstalls.delete(msg.arg1); 962 boolean deleteOld = false; 963 964 if (data != null) { 965 InstallArgs args = data.args; 966 PackageInstalledInfo res = data.res; 967 968 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 969 res.removedInfo.sendBroadcast(false, true, false); 970 Bundle extras = new Bundle(1); 971 extras.putInt(Intent.EXTRA_UID, res.uid); 972 // Determine the set of users who are adding this 973 // package for the first time vs. those who are seeing 974 // an update. 975 int[] firstUsers; 976 int[] updateUsers = new int[0]; 977 if (res.origUsers == null || res.origUsers.length == 0) { 978 firstUsers = res.newUsers; 979 } else { 980 firstUsers = new int[0]; 981 for (int i=0; i<res.newUsers.length; i++) { 982 int user = res.newUsers[i]; 983 boolean isNew = true; 984 for (int j=0; j<res.origUsers.length; j++) { 985 if (res.origUsers[j] == user) { 986 isNew = false; 987 break; 988 } 989 } 990 if (isNew) { 991 int[] newFirst = new int[firstUsers.length+1]; 992 System.arraycopy(firstUsers, 0, newFirst, 0, 993 firstUsers.length); 994 newFirst[firstUsers.length] = user; 995 firstUsers = newFirst; 996 } else { 997 int[] newUpdate = new int[updateUsers.length+1]; 998 System.arraycopy(updateUsers, 0, newUpdate, 0, 999 updateUsers.length); 1000 newUpdate[updateUsers.length] = user; 1001 updateUsers = newUpdate; 1002 } 1003 } 1004 } 1005 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1006 res.pkg.applicationInfo.packageName, 1007 extras, null, null, firstUsers); 1008 final boolean update = res.removedInfo.removedPackage != null; 1009 if (update) { 1010 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1011 } 1012 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1013 res.pkg.applicationInfo.packageName, 1014 extras, null, null, updateUsers); 1015 if (update) { 1016 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1017 res.pkg.applicationInfo.packageName, 1018 extras, null, null, updateUsers); 1019 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1020 null, null, 1021 res.pkg.applicationInfo.packageName, null, updateUsers); 1022 1023 // treat asec-hosted packages like removable media on upgrade 1024 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1025 if (DEBUG_INSTALL) { 1026 Slog.i(TAG, "upgrading pkg " + res.pkg 1027 + " is ASEC-hosted -> AVAILABLE"); 1028 } 1029 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1030 ArrayList<String> pkgList = new ArrayList<String>(1); 1031 pkgList.add(res.pkg.applicationInfo.packageName); 1032 sendResourcesChangedBroadcast(true, true, 1033 pkgList,uidArray, null); 1034 } 1035 } 1036 if (res.removedInfo.args != null) { 1037 // Remove the replaced package's older resources safely now 1038 deleteOld = true; 1039 } 1040 1041 // Log current value of "unknown sources" setting 1042 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1043 getUnknownSourcesSettings()); 1044 } 1045 // Force a gc to clear up things 1046 Runtime.getRuntime().gc(); 1047 // We delete after a gc for applications on sdcard. 1048 if (deleteOld) { 1049 synchronized (mInstallLock) { 1050 res.removedInfo.args.doPostDeleteLI(true); 1051 } 1052 } 1053 if (args.observer != null) { 1054 try { 1055 args.observer.packageInstalled(res.name, res.returnCode); 1056 } catch (RemoteException e) { 1057 Slog.i(TAG, "Observer no longer exists."); 1058 } 1059 } 1060 } else { 1061 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1062 } 1063 } break; 1064 case UPDATED_MEDIA_STATUS: { 1065 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1066 boolean reportStatus = msg.arg1 == 1; 1067 boolean doGc = msg.arg2 == 1; 1068 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1069 if (doGc) { 1070 // Force a gc to clear up stale containers. 1071 Runtime.getRuntime().gc(); 1072 } 1073 if (msg.obj != null) { 1074 @SuppressWarnings("unchecked") 1075 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1076 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1077 // Unload containers 1078 unloadAllContainers(args); 1079 } 1080 if (reportStatus) { 1081 try { 1082 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1083 PackageHelper.getMountService().finishMediaUpdate(); 1084 } catch (RemoteException e) { 1085 Log.e(TAG, "MountService not running?"); 1086 } 1087 } 1088 } break; 1089 case WRITE_SETTINGS: { 1090 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1091 synchronized (mPackages) { 1092 removeMessages(WRITE_SETTINGS); 1093 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1094 mSettings.writeLPr(); 1095 mDirtyUsers.clear(); 1096 } 1097 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1098 } break; 1099 case WRITE_PACKAGE_RESTRICTIONS: { 1100 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1101 synchronized (mPackages) { 1102 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1103 for (int userId : mDirtyUsers) { 1104 mSettings.writePackageRestrictionsLPr(userId); 1105 } 1106 mDirtyUsers.clear(); 1107 } 1108 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1109 } break; 1110 case CHECK_PENDING_VERIFICATION: { 1111 final int verificationId = msg.arg1; 1112 final PackageVerificationState state = mPendingVerification.get(verificationId); 1113 1114 if ((state != null) && !state.timeoutExtended()) { 1115 final InstallArgs args = state.getInstallArgs(); 1116 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1117 mPendingVerification.remove(verificationId); 1118 1119 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1120 1121 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1122 Slog.i(TAG, "Continuing with installation of " 1123 + args.packageURI.toString()); 1124 state.setVerifierResponse(Binder.getCallingUid(), 1125 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1126 broadcastPackageVerified(verificationId, args.packageURI, 1127 PackageManager.VERIFICATION_ALLOW, 1128 state.getInstallArgs().getUser()); 1129 try { 1130 ret = args.copyApk(mContainerService, true); 1131 } catch (RemoteException e) { 1132 Slog.e(TAG, "Could not contact the ContainerService"); 1133 } 1134 } else { 1135 broadcastPackageVerified(verificationId, args.packageURI, 1136 PackageManager.VERIFICATION_REJECT, 1137 state.getInstallArgs().getUser()); 1138 } 1139 1140 processPendingInstall(args, ret); 1141 mHandler.sendEmptyMessage(MCS_UNBIND); 1142 } 1143 break; 1144 } 1145 case PACKAGE_VERIFIED: { 1146 final int verificationId = msg.arg1; 1147 1148 final PackageVerificationState state = mPendingVerification.get(verificationId); 1149 if (state == null) { 1150 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1151 break; 1152 } 1153 1154 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1155 1156 state.setVerifierResponse(response.callerUid, response.code); 1157 1158 if (state.isVerificationComplete()) { 1159 mPendingVerification.remove(verificationId); 1160 1161 final InstallArgs args = state.getInstallArgs(); 1162 1163 int ret; 1164 if (state.isInstallAllowed()) { 1165 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1166 broadcastPackageVerified(verificationId, args.packageURI, 1167 response.code, state.getInstallArgs().getUser()); 1168 try { 1169 ret = args.copyApk(mContainerService, true); 1170 } catch (RemoteException e) { 1171 Slog.e(TAG, "Could not contact the ContainerService"); 1172 } 1173 } else { 1174 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1175 } 1176 1177 processPendingInstall(args, ret); 1178 1179 mHandler.sendEmptyMessage(MCS_UNBIND); 1180 } 1181 1182 break; 1183 } 1184 } 1185 } 1186 } 1187 1188 void scheduleWriteSettingsLocked() { 1189 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1190 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1191 } 1192 } 1193 1194 void scheduleWritePackageRestrictionsLocked(int userId) { 1195 if (!sUserManager.exists(userId)) return; 1196 mDirtyUsers.add(userId); 1197 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1198 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1199 } 1200 } 1201 1202 public static final IPackageManager main(Context context, Installer installer, 1203 boolean factoryTest, boolean onlyCore) { 1204 PackageManagerService m = new PackageManagerService(context, installer, 1205 factoryTest, onlyCore); 1206 ServiceManager.addService("package", m); 1207 return m; 1208 } 1209 1210 static String[] splitString(String str, char sep) { 1211 int count = 1; 1212 int i = 0; 1213 while ((i=str.indexOf(sep, i)) >= 0) { 1214 count++; 1215 i++; 1216 } 1217 1218 String[] res = new String[count]; 1219 i=0; 1220 count = 0; 1221 int lastI=0; 1222 while ((i=str.indexOf(sep, i)) >= 0) { 1223 res[count] = str.substring(lastI, i); 1224 count++; 1225 i++; 1226 lastI = i; 1227 } 1228 res[count] = str.substring(lastI, str.length()); 1229 return res; 1230 } 1231 1232 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1233 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1234 Context.DISPLAY_SERVICE); 1235 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1236 } 1237 1238 public PackageManagerService(Context context, Installer installer, 1239 boolean factoryTest, boolean onlyCore) { 1240 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1241 SystemClock.uptimeMillis()); 1242 1243 if (mSdkVersion <= 0) { 1244 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1245 } 1246 1247 mContext = context; 1248 mFactoryTest = factoryTest; 1249 mOnlyCore = onlyCore; 1250 mMetrics = new DisplayMetrics(); 1251 mSettings = new Settings(context); 1252 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1253 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1254 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1255 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1256 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1257 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1258 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1259 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1260 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1261 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1262 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1263 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1264 1265 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1266 if (separateProcesses != null && separateProcesses.length() > 0) { 1267 if ("*".equals(separateProcesses)) { 1268 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1269 mSeparateProcesses = null; 1270 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1271 } else { 1272 mDefParseFlags = 0; 1273 mSeparateProcesses = separateProcesses.split(","); 1274 Slog.w(TAG, "Running with debug.separate_processes: " 1275 + separateProcesses); 1276 } 1277 } else { 1278 mDefParseFlags = 0; 1279 mSeparateProcesses = null; 1280 } 1281 1282 mInstaller = installer; 1283 1284 getDefaultDisplayMetrics(context, mMetrics); 1285 1286 synchronized (mInstallLock) { 1287 // writer 1288 synchronized (mPackages) { 1289 mHandlerThread = new ServiceThread(TAG, 1290 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1291 mHandlerThread.start(); 1292 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1293 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1294 1295 File dataDir = Environment.getDataDirectory(); 1296 mAppDataDir = new File(dataDir, "data"); 1297 mAppInstallDir = new File(dataDir, "app"); 1298 mAppLibInstallDir = new File(dataDir, "app-lib"); 1299 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1300 mUserAppDataDir = new File(dataDir, "user"); 1301 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1302 1303 sUserManager = new UserManagerService(context, this, 1304 mInstallLock, mPackages); 1305 1306 readPermissions(); 1307 1308 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1309 1310 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1311 mSdkVersion, mOnlyCore); 1312 1313 String customResolverActivity = Resources.getSystem().getString( 1314 R.string.config_customResolverActivity); 1315 if (TextUtils.isEmpty(customResolverActivity)) { 1316 customResolverActivity = null; 1317 } else { 1318 mCustomResolverComponentName = ComponentName.unflattenFromString( 1319 customResolverActivity); 1320 } 1321 1322 long startTime = SystemClock.uptimeMillis(); 1323 1324 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1325 startTime); 1326 1327 // Set flag to monitor and not change apk file paths when 1328 // scanning install directories. 1329 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1330 1331 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1332 1333 /** 1334 * Add everything in the in the boot class path to the 1335 * list of process files because dexopt will have been run 1336 * if necessary during zygote startup. 1337 */ 1338 String bootClassPath = System.getProperty("java.boot.class.path"); 1339 if (bootClassPath != null) { 1340 String[] paths = splitString(bootClassPath, ':'); 1341 for (int i=0; i<paths.length; i++) { 1342 alreadyDexOpted.add(paths[i]); 1343 } 1344 } else { 1345 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1346 } 1347 1348 boolean didDexOptLibraryOrTool = false; 1349 1350 final List<String> instructionSets = getAllInstructionSets(); 1351 1352 /** 1353 * Ensure all external libraries have had dexopt run on them. 1354 */ 1355 if (mSharedLibraries.size() > 0) { 1356 // NOTE: For now, we're compiling these system "shared libraries" 1357 // (and framework jars) into all available architectures. It's possible 1358 // to compile them only when we come across an app that uses them (there's 1359 // already logic for that in scanPackageLI) but that adds some complexity. 1360 for (String instructionSet : instructionSets) { 1361 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1362 final String lib = libEntry.path; 1363 if (lib == null) { 1364 continue; 1365 } 1366 1367 try { 1368 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1369 alreadyDexOpted.add(lib); 1370 1371 // The list of "shared libraries" we have at this point is 1372 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1373 didDexOptLibraryOrTool = true; 1374 } 1375 } catch (FileNotFoundException e) { 1376 Slog.w(TAG, "Library not found: " + lib); 1377 } catch (IOException e) { 1378 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1379 + e.getMessage()); 1380 } 1381 } 1382 } 1383 } 1384 1385 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1386 1387 // Gross hack for now: we know this file doesn't contain any 1388 // code, so don't dexopt it to avoid the resulting log spew. 1389 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1390 1391 // Gross hack for now: we know this file is only part of 1392 // the boot class path for art, so don't dexopt it to 1393 // avoid the resulting log spew. 1394 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1395 1396 /** 1397 * And there are a number of commands implemented in Java, which 1398 * we currently need to do the dexopt on so that they can be 1399 * run from a non-root shell. 1400 */ 1401 String[] frameworkFiles = frameworkDir.list(); 1402 if (frameworkFiles != null) { 1403 // TODO: We could compile these only for the most preferred ABI. We should 1404 // first double check that the dex files for these commands are not referenced 1405 // by other system apps. 1406 for (String instructionSet : instructionSets) { 1407 for (int i=0; i<frameworkFiles.length; i++) { 1408 File libPath = new File(frameworkDir, frameworkFiles[i]); 1409 String path = libPath.getPath(); 1410 // Skip the file if we already did it. 1411 if (alreadyDexOpted.contains(path)) { 1412 continue; 1413 } 1414 // Skip the file if it is not a type we want to dexopt. 1415 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1416 continue; 1417 } 1418 try { 1419 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1420 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1421 didDexOptLibraryOrTool = true; 1422 } 1423 } catch (FileNotFoundException e) { 1424 Slog.w(TAG, "Jar not found: " + path); 1425 } catch (IOException e) { 1426 Slog.w(TAG, "Exception reading jar: " + path, e); 1427 } 1428 } 1429 } 1430 } 1431 1432 if (didDexOptLibraryOrTool) { 1433 pruneDexFiles(new File(dataDir, "dalvik-cache")); 1434 } 1435 1436 // Collect vendor overlay packages. 1437 // (Do this before scanning any apps.) 1438 // For security and version matching reason, only consider 1439 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1440 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1441 mVendorOverlayInstallObserver = new AppDirObserver( 1442 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1443 mVendorOverlayInstallObserver.startWatching(); 1444 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1445 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1446 1447 // Find base frameworks (resource packages without code). 1448 mFrameworkInstallObserver = new AppDirObserver( 1449 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1450 mFrameworkInstallObserver.startWatching(); 1451 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1452 | PackageParser.PARSE_IS_SYSTEM_DIR 1453 | PackageParser.PARSE_IS_PRIVILEGED, 1454 scanMode | SCAN_NO_DEX, 0); 1455 1456 // Collected privileged system packages. 1457 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1458 mPrivilegedInstallObserver = new AppDirObserver( 1459 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1460 mPrivilegedInstallObserver.startWatching(); 1461 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1462 | PackageParser.PARSE_IS_SYSTEM_DIR 1463 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1464 1465 // Collect ordinary system packages. 1466 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1467 mSystemInstallObserver = new AppDirObserver( 1468 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1469 mSystemInstallObserver.startWatching(); 1470 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1471 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1472 1473 // Collect all vendor packages. 1474 File vendorAppDir = new File("/vendor/app"); 1475 try { 1476 vendorAppDir = vendorAppDir.getCanonicalFile(); 1477 } catch (IOException e) { 1478 // failed to look up canonical path, continue with original one 1479 } 1480 mVendorInstallObserver = new AppDirObserver( 1481 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1482 mVendorInstallObserver.startWatching(); 1483 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1484 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1485 1486 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1487 mInstaller.moveFiles(); 1488 1489 // Prune any system packages that no longer exist. 1490 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1491 if (!mOnlyCore) { 1492 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1493 while (psit.hasNext()) { 1494 PackageSetting ps = psit.next(); 1495 1496 /* 1497 * If this is not a system app, it can't be a 1498 * disable system app. 1499 */ 1500 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1501 continue; 1502 } 1503 1504 /* 1505 * If the package is scanned, it's not erased. 1506 */ 1507 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1508 if (scannedPkg != null) { 1509 /* 1510 * If the system app is both scanned and in the 1511 * disabled packages list, then it must have been 1512 * added via OTA. Remove it from the currently 1513 * scanned package so the previously user-installed 1514 * application can be scanned. 1515 */ 1516 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1517 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1518 + "; removing system app"); 1519 removePackageLI(ps, true); 1520 } 1521 1522 continue; 1523 } 1524 1525 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1526 psit.remove(); 1527 String msg = "System package " + ps.name 1528 + " no longer exists; wiping its data"; 1529 reportSettingsProblem(Log.WARN, msg); 1530 removeDataDirsLI(ps.name); 1531 } else { 1532 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1533 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1534 possiblyDeletedUpdatedSystemApps.add(ps.name); 1535 } 1536 } 1537 } 1538 } 1539 1540 //look for any incomplete package installations 1541 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1542 //clean up list 1543 for(int i = 0; i < deletePkgsList.size(); i++) { 1544 //clean up here 1545 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1546 } 1547 //delete tmp files 1548 deleteTempPackageFiles(); 1549 1550 // Remove any shared userIDs that have no associated packages 1551 mSettings.pruneSharedUsersLPw(); 1552 1553 if (!mOnlyCore) { 1554 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1555 SystemClock.uptimeMillis()); 1556 mAppInstallObserver = new AppDirObserver( 1557 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1558 mAppInstallObserver.startWatching(); 1559 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1560 1561 mDrmAppInstallObserver = new AppDirObserver( 1562 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1563 mDrmAppInstallObserver.startWatching(); 1564 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1565 scanMode, 0); 1566 1567 /** 1568 * Remove disable package settings for any updated system 1569 * apps that were removed via an OTA. If they're not a 1570 * previously-updated app, remove them completely. 1571 * Otherwise, just revoke their system-level permissions. 1572 */ 1573 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1574 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1575 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1576 1577 String msg; 1578 if (deletedPkg == null) { 1579 msg = "Updated system package " + deletedAppName 1580 + " no longer exists; wiping its data"; 1581 removeDataDirsLI(deletedAppName); 1582 } else { 1583 msg = "Updated system app + " + deletedAppName 1584 + " no longer present; removing system privileges for " 1585 + deletedAppName; 1586 1587 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1588 1589 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1590 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1591 } 1592 reportSettingsProblem(Log.WARN, msg); 1593 } 1594 } else { 1595 mAppInstallObserver = null; 1596 mDrmAppInstallObserver = null; 1597 } 1598 1599 // Now that we know all of the shared libraries, update all clients to have 1600 // the correct library paths. 1601 updateAllSharedLibrariesLPw(); 1602 1603 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1604 adjustCpuAbisForSharedUserLPw(setting.packages, true /* do dexopt */, 1605 false /* force dexopt */, false /* defer dexopt */); 1606 } 1607 1608 // Now that we know all the packages we are keeping, 1609 // read and update their last usage times. 1610 mPackageUsage.readLP(); 1611 1612 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1613 SystemClock.uptimeMillis()); 1614 Slog.i(TAG, "Time to scan packages: " 1615 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1616 + " seconds"); 1617 1618 // If the platform SDK has changed since the last time we booted, 1619 // we need to re-grant app permission to catch any new ones that 1620 // appear. This is really a hack, and means that apps can in some 1621 // cases get permissions that the user didn't initially explicitly 1622 // allow... it would be nice to have some better way to handle 1623 // this situation. 1624 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1625 != mSdkVersion; 1626 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1627 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1628 + "; regranting permissions for internal storage"); 1629 mSettings.mInternalSdkPlatform = mSdkVersion; 1630 1631 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1632 | (regrantPermissions 1633 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1634 : 0)); 1635 1636 // If this is the first boot, and it is a normal boot, then 1637 // we need to initialize the default preferred apps. 1638 if (!mRestoredSettings && !onlyCore) { 1639 mSettings.readDefaultPreferredAppsLPw(this, 0); 1640 } 1641 1642 // can downgrade to reader 1643 mSettings.writeLPr(); 1644 1645 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1646 SystemClock.uptimeMillis()); 1647 1648 // Now after opening every single application zip, make sure they 1649 // are all flushed. Not really needed, but keeps things nice and 1650 // tidy. 1651 Runtime.getRuntime().gc(); 1652 1653 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1654 } // synchronized (mPackages) 1655 } // synchronized (mInstallLock) 1656 } 1657 1658 private static void pruneDexFiles(File cacheDir) { 1659 // If we had to do a dexopt of one of the previous 1660 // things, then something on the system has changed. 1661 // Consider this significant, and wipe away all other 1662 // existing dexopt files to ensure we don't leave any 1663 // dangling around. 1664 // 1665 // Additionally, delete all dex files from the root directory 1666 // since there shouldn't be any there anyway. 1667 // 1668 // Note: This isn't as good an indicator as it used to be. It 1669 // used to include the boot classpath but at some point 1670 // DexFile.isDexOptNeeded started returning false for the boot 1671 // class path files in all cases. It is very possible in a 1672 // small maintenance release update that the library and tool 1673 // jars may be unchanged but APK could be removed resulting in 1674 // unused dalvik-cache files. 1675 File[] files = cacheDir.listFiles(); 1676 if (files != null) { 1677 for (File file : files) { 1678 if (!file.isDirectory()) { 1679 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1680 file.delete(); 1681 } else { 1682 File[] subDirList = file.listFiles(); 1683 if (subDirList != null) { 1684 for (File subDirFile : subDirList) { 1685 final String fn = subDirFile.getName(); 1686 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1687 Slog.i(TAG, "Pruning dalvik file: " + fn); 1688 subDirFile.delete(); 1689 } 1690 } 1691 } 1692 } 1693 } 1694 } 1695 } 1696 1697 public boolean isFirstBoot() { 1698 return !mRestoredSettings; 1699 } 1700 1701 public boolean isOnlyCoreApps() { 1702 return mOnlyCore; 1703 } 1704 1705 private String getRequiredVerifierLPr() { 1706 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1707 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1708 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1709 1710 String requiredVerifier = null; 1711 1712 final int N = receivers.size(); 1713 for (int i = 0; i < N; i++) { 1714 final ResolveInfo info = receivers.get(i); 1715 1716 if (info.activityInfo == null) { 1717 continue; 1718 } 1719 1720 final String packageName = info.activityInfo.packageName; 1721 1722 final PackageSetting ps = mSettings.mPackages.get(packageName); 1723 if (ps == null) { 1724 continue; 1725 } 1726 1727 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1728 if (!gp.grantedPermissions 1729 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1730 continue; 1731 } 1732 1733 if (requiredVerifier != null) { 1734 throw new RuntimeException("There can be only one required verifier"); 1735 } 1736 1737 requiredVerifier = packageName; 1738 } 1739 1740 return requiredVerifier; 1741 } 1742 1743 @Override 1744 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1745 throws RemoteException { 1746 try { 1747 return super.onTransact(code, data, reply, flags); 1748 } catch (RuntimeException e) { 1749 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1750 Slog.wtf(TAG, "Package Manager Crash", e); 1751 } 1752 throw e; 1753 } 1754 } 1755 1756 void cleanupInstallFailedPackage(PackageSetting ps) { 1757 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1758 removeDataDirsLI(ps.name); 1759 if (ps.codePath != null) { 1760 if (!ps.codePath.delete()) { 1761 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1762 } 1763 } 1764 if (ps.resourcePath != null) { 1765 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1766 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1767 } 1768 } 1769 mSettings.removePackageLPw(ps.name); 1770 } 1771 1772 void readPermissions() { 1773 // Read permissions from .../etc/permission directory. 1774 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1775 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1776 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1777 return; 1778 } 1779 if (!libraryDir.canRead()) { 1780 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1781 return; 1782 } 1783 1784 // Iterate over the files in the directory and scan .xml files 1785 for (File f : libraryDir.listFiles()) { 1786 // We'll read platform.xml last 1787 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1788 continue; 1789 } 1790 1791 if (!f.getPath().endsWith(".xml")) { 1792 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1793 continue; 1794 } 1795 if (!f.canRead()) { 1796 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1797 continue; 1798 } 1799 1800 readPermissionsFromXml(f); 1801 } 1802 1803 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1804 final File permFile = new File(Environment.getRootDirectory(), 1805 "etc/permissions/platform.xml"); 1806 readPermissionsFromXml(permFile); 1807 } 1808 1809 private void readPermissionsFromXml(File permFile) { 1810 FileReader permReader = null; 1811 try { 1812 permReader = new FileReader(permFile); 1813 } catch (FileNotFoundException e) { 1814 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1815 return; 1816 } 1817 1818 try { 1819 XmlPullParser parser = Xml.newPullParser(); 1820 parser.setInput(permReader); 1821 1822 XmlUtils.beginDocument(parser, "permissions"); 1823 1824 while (true) { 1825 XmlUtils.nextElement(parser); 1826 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1827 break; 1828 } 1829 1830 String name = parser.getName(); 1831 if ("group".equals(name)) { 1832 String gidStr = parser.getAttributeValue(null, "gid"); 1833 if (gidStr != null) { 1834 int gid = Process.getGidForName(gidStr); 1835 mGlobalGids = appendInt(mGlobalGids, gid); 1836 } else { 1837 Slog.w(TAG, "<group> without gid at " 1838 + parser.getPositionDescription()); 1839 } 1840 1841 XmlUtils.skipCurrentTag(parser); 1842 continue; 1843 } else if ("permission".equals(name)) { 1844 String perm = parser.getAttributeValue(null, "name"); 1845 if (perm == null) { 1846 Slog.w(TAG, "<permission> without name at " 1847 + parser.getPositionDescription()); 1848 XmlUtils.skipCurrentTag(parser); 1849 continue; 1850 } 1851 perm = perm.intern(); 1852 readPermission(parser, perm); 1853 1854 } else if ("assign-permission".equals(name)) { 1855 String perm = parser.getAttributeValue(null, "name"); 1856 if (perm == null) { 1857 Slog.w(TAG, "<assign-permission> without name at " 1858 + parser.getPositionDescription()); 1859 XmlUtils.skipCurrentTag(parser); 1860 continue; 1861 } 1862 String uidStr = parser.getAttributeValue(null, "uid"); 1863 if (uidStr == null) { 1864 Slog.w(TAG, "<assign-permission> without uid at " 1865 + parser.getPositionDescription()); 1866 XmlUtils.skipCurrentTag(parser); 1867 continue; 1868 } 1869 int uid = Process.getUidForName(uidStr); 1870 if (uid < 0) { 1871 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1872 + uidStr + "\" at " 1873 + parser.getPositionDescription()); 1874 XmlUtils.skipCurrentTag(parser); 1875 continue; 1876 } 1877 perm = perm.intern(); 1878 HashSet<String> perms = mSystemPermissions.get(uid); 1879 if (perms == null) { 1880 perms = new HashSet<String>(); 1881 mSystemPermissions.put(uid, perms); 1882 } 1883 perms.add(perm); 1884 XmlUtils.skipCurrentTag(parser); 1885 1886 } else if ("library".equals(name)) { 1887 String lname = parser.getAttributeValue(null, "name"); 1888 String lfile = parser.getAttributeValue(null, "file"); 1889 if (lname == null) { 1890 Slog.w(TAG, "<library> without name at " 1891 + parser.getPositionDescription()); 1892 } else if (lfile == null) { 1893 Slog.w(TAG, "<library> without file at " 1894 + parser.getPositionDescription()); 1895 } else { 1896 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1897 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1898 } 1899 XmlUtils.skipCurrentTag(parser); 1900 continue; 1901 1902 } else if ("feature".equals(name)) { 1903 String fname = parser.getAttributeValue(null, "name"); 1904 if (fname == null) { 1905 Slog.w(TAG, "<feature> without name at " 1906 + parser.getPositionDescription()); 1907 } else { 1908 //Log.i(TAG, "Got feature " + fname); 1909 FeatureInfo fi = new FeatureInfo(); 1910 fi.name = fname; 1911 mAvailableFeatures.put(fname, fi); 1912 } 1913 XmlUtils.skipCurrentTag(parser); 1914 continue; 1915 1916 } else { 1917 XmlUtils.skipCurrentTag(parser); 1918 continue; 1919 } 1920 1921 } 1922 permReader.close(); 1923 } catch (XmlPullParserException e) { 1924 Slog.w(TAG, "Got execption parsing permissions.", e); 1925 } catch (IOException e) { 1926 Slog.w(TAG, "Got execption parsing permissions.", e); 1927 } 1928 } 1929 1930 void readPermission(XmlPullParser parser, String name) 1931 throws IOException, XmlPullParserException { 1932 1933 name = name.intern(); 1934 1935 BasePermission bp = mSettings.mPermissions.get(name); 1936 if (bp == null) { 1937 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1938 mSettings.mPermissions.put(name, bp); 1939 } 1940 int outerDepth = parser.getDepth(); 1941 int type; 1942 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1943 && (type != XmlPullParser.END_TAG 1944 || parser.getDepth() > outerDepth)) { 1945 if (type == XmlPullParser.END_TAG 1946 || type == XmlPullParser.TEXT) { 1947 continue; 1948 } 1949 1950 String tagName = parser.getName(); 1951 if ("group".equals(tagName)) { 1952 String gidStr = parser.getAttributeValue(null, "gid"); 1953 if (gidStr != null) { 1954 int gid = Process.getGidForName(gidStr); 1955 bp.gids = appendInt(bp.gids, gid); 1956 } else { 1957 Slog.w(TAG, "<group> without gid at " 1958 + parser.getPositionDescription()); 1959 } 1960 } 1961 XmlUtils.skipCurrentTag(parser); 1962 } 1963 } 1964 1965 static int[] appendInts(int[] cur, int[] add) { 1966 if (add == null) return cur; 1967 if (cur == null) return add; 1968 final int N = add.length; 1969 for (int i=0; i<N; i++) { 1970 cur = appendInt(cur, add[i]); 1971 } 1972 return cur; 1973 } 1974 1975 static int[] removeInts(int[] cur, int[] rem) { 1976 if (rem == null) return cur; 1977 if (cur == null) return cur; 1978 final int N = rem.length; 1979 for (int i=0; i<N; i++) { 1980 cur = removeInt(cur, rem[i]); 1981 } 1982 return cur; 1983 } 1984 1985 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1986 if (!sUserManager.exists(userId)) return null; 1987 final PackageSetting ps = (PackageSetting) p.mExtras; 1988 if (ps == null) { 1989 return null; 1990 } 1991 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1992 final PackageUserState state = ps.readUserState(userId); 1993 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1994 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1995 state, userId); 1996 } 1997 1998 public boolean isPackageAvailable(String packageName, int userId) { 1999 if (!sUserManager.exists(userId)) return false; 2000 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2001 synchronized (mPackages) { 2002 PackageParser.Package p = mPackages.get(packageName); 2003 if (p != null) { 2004 final PackageSetting ps = (PackageSetting) p.mExtras; 2005 if (ps != null) { 2006 final PackageUserState state = ps.readUserState(userId); 2007 if (state != null) { 2008 return PackageParser.isAvailable(state); 2009 } 2010 } 2011 } 2012 } 2013 return false; 2014 } 2015 2016 @Override 2017 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2018 if (!sUserManager.exists(userId)) return null; 2019 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2020 // reader 2021 synchronized (mPackages) { 2022 PackageParser.Package p = mPackages.get(packageName); 2023 if (DEBUG_PACKAGE_INFO) 2024 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2025 if (p != null) { 2026 return generatePackageInfo(p, flags, userId); 2027 } 2028 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2029 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2030 } 2031 } 2032 return null; 2033 } 2034 2035 public String[] currentToCanonicalPackageNames(String[] names) { 2036 String[] out = new String[names.length]; 2037 // reader 2038 synchronized (mPackages) { 2039 for (int i=names.length-1; i>=0; i--) { 2040 PackageSetting ps = mSettings.mPackages.get(names[i]); 2041 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2042 } 2043 } 2044 return out; 2045 } 2046 2047 public String[] canonicalToCurrentPackageNames(String[] names) { 2048 String[] out = new String[names.length]; 2049 // reader 2050 synchronized (mPackages) { 2051 for (int i=names.length-1; i>=0; i--) { 2052 String cur = mSettings.mRenamedPackages.get(names[i]); 2053 out[i] = cur != null ? cur : names[i]; 2054 } 2055 } 2056 return out; 2057 } 2058 2059 @Override 2060 public int getPackageUid(String packageName, int userId) { 2061 if (!sUserManager.exists(userId)) return -1; 2062 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2063 // reader 2064 synchronized (mPackages) { 2065 PackageParser.Package p = mPackages.get(packageName); 2066 if(p != null) { 2067 return UserHandle.getUid(userId, p.applicationInfo.uid); 2068 } 2069 PackageSetting ps = mSettings.mPackages.get(packageName); 2070 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2071 return -1; 2072 } 2073 p = ps.pkg; 2074 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2075 } 2076 } 2077 2078 @Override 2079 public int[] getPackageGids(String packageName) { 2080 // reader 2081 synchronized (mPackages) { 2082 PackageParser.Package p = mPackages.get(packageName); 2083 if (DEBUG_PACKAGE_INFO) 2084 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2085 if (p != null) { 2086 final PackageSetting ps = (PackageSetting)p.mExtras; 2087 return ps.getGids(); 2088 } 2089 } 2090 // stupid thing to indicate an error. 2091 return new int[0]; 2092 } 2093 2094 static final PermissionInfo generatePermissionInfo( 2095 BasePermission bp, int flags) { 2096 if (bp.perm != null) { 2097 return PackageParser.generatePermissionInfo(bp.perm, flags); 2098 } 2099 PermissionInfo pi = new PermissionInfo(); 2100 pi.name = bp.name; 2101 pi.packageName = bp.sourcePackage; 2102 pi.nonLocalizedLabel = bp.name; 2103 pi.protectionLevel = bp.protectionLevel; 2104 return pi; 2105 } 2106 2107 public PermissionInfo getPermissionInfo(String name, int flags) { 2108 // reader 2109 synchronized (mPackages) { 2110 final BasePermission p = mSettings.mPermissions.get(name); 2111 if (p != null) { 2112 return generatePermissionInfo(p, flags); 2113 } 2114 return null; 2115 } 2116 } 2117 2118 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2119 // reader 2120 synchronized (mPackages) { 2121 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2122 for (BasePermission p : mSettings.mPermissions.values()) { 2123 if (group == null) { 2124 if (p.perm == null || p.perm.info.group == null) { 2125 out.add(generatePermissionInfo(p, flags)); 2126 } 2127 } else { 2128 if (p.perm != null && group.equals(p.perm.info.group)) { 2129 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2130 } 2131 } 2132 } 2133 2134 if (out.size() > 0) { 2135 return out; 2136 } 2137 return mPermissionGroups.containsKey(group) ? out : null; 2138 } 2139 } 2140 2141 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2142 // reader 2143 synchronized (mPackages) { 2144 return PackageParser.generatePermissionGroupInfo( 2145 mPermissionGroups.get(name), flags); 2146 } 2147 } 2148 2149 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2150 // reader 2151 synchronized (mPackages) { 2152 final int N = mPermissionGroups.size(); 2153 ArrayList<PermissionGroupInfo> out 2154 = new ArrayList<PermissionGroupInfo>(N); 2155 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2156 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2157 } 2158 return out; 2159 } 2160 } 2161 2162 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2163 int userId) { 2164 if (!sUserManager.exists(userId)) return null; 2165 PackageSetting ps = mSettings.mPackages.get(packageName); 2166 if (ps != null) { 2167 if (ps.pkg == null) { 2168 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2169 flags, userId); 2170 if (pInfo != null) { 2171 return pInfo.applicationInfo; 2172 } 2173 return null; 2174 } 2175 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2176 ps.readUserState(userId), userId); 2177 } 2178 return null; 2179 } 2180 2181 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2182 int userId) { 2183 if (!sUserManager.exists(userId)) return null; 2184 PackageSetting ps = mSettings.mPackages.get(packageName); 2185 if (ps != null) { 2186 PackageParser.Package pkg = ps.pkg; 2187 if (pkg == null) { 2188 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2189 return null; 2190 } 2191 pkg = new PackageParser.Package(packageName); 2192 pkg.applicationInfo.packageName = packageName; 2193 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2194 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2195 pkg.applicationInfo.sourceDir = ps.codePathString; 2196 pkg.applicationInfo.dataDir = 2197 getDataPathForPackage(packageName, 0).getPath(); 2198 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2199 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2200 } 2201 return generatePackageInfo(pkg, flags, userId); 2202 } 2203 return null; 2204 } 2205 2206 @Override 2207 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2208 if (!sUserManager.exists(userId)) return null; 2209 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2210 // writer 2211 synchronized (mPackages) { 2212 PackageParser.Package p = mPackages.get(packageName); 2213 if (DEBUG_PACKAGE_INFO) Log.v( 2214 TAG, "getApplicationInfo " + packageName 2215 + ": " + p); 2216 if (p != null) { 2217 PackageSetting ps = mSettings.mPackages.get(packageName); 2218 if (ps == null) return null; 2219 // Note: isEnabledLP() does not apply here - always return info 2220 return PackageParser.generateApplicationInfo( 2221 p, flags, ps.readUserState(userId), userId); 2222 } 2223 if ("android".equals(packageName)||"system".equals(packageName)) { 2224 return mAndroidApplication; 2225 } 2226 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2227 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2228 } 2229 } 2230 return null; 2231 } 2232 2233 2234 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2235 mContext.enforceCallingOrSelfPermission( 2236 android.Manifest.permission.CLEAR_APP_CACHE, null); 2237 // Queue up an async operation since clearing cache may take a little while. 2238 mHandler.post(new Runnable() { 2239 public void run() { 2240 mHandler.removeCallbacks(this); 2241 int retCode = -1; 2242 synchronized (mInstallLock) { 2243 retCode = mInstaller.freeCache(freeStorageSize); 2244 if (retCode < 0) { 2245 Slog.w(TAG, "Couldn't clear application caches"); 2246 } 2247 } 2248 if (observer != null) { 2249 try { 2250 observer.onRemoveCompleted(null, (retCode >= 0)); 2251 } catch (RemoteException e) { 2252 Slog.w(TAG, "RemoveException when invoking call back"); 2253 } 2254 } 2255 } 2256 }); 2257 } 2258 2259 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2260 mContext.enforceCallingOrSelfPermission( 2261 android.Manifest.permission.CLEAR_APP_CACHE, null); 2262 // Queue up an async operation since clearing cache may take a little while. 2263 mHandler.post(new Runnable() { 2264 public void run() { 2265 mHandler.removeCallbacks(this); 2266 int retCode = -1; 2267 synchronized (mInstallLock) { 2268 retCode = mInstaller.freeCache(freeStorageSize); 2269 if (retCode < 0) { 2270 Slog.w(TAG, "Couldn't clear application caches"); 2271 } 2272 } 2273 if(pi != null) { 2274 try { 2275 // Callback via pending intent 2276 int code = (retCode >= 0) ? 1 : 0; 2277 pi.sendIntent(null, code, null, 2278 null, null); 2279 } catch (SendIntentException e1) { 2280 Slog.i(TAG, "Failed to send pending intent"); 2281 } 2282 } 2283 } 2284 }); 2285 } 2286 2287 @Override 2288 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2289 if (!sUserManager.exists(userId)) return null; 2290 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2291 synchronized (mPackages) { 2292 PackageParser.Activity a = mActivities.mActivities.get(component); 2293 2294 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2295 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2296 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2297 if (ps == null) return null; 2298 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2299 userId); 2300 } 2301 if (mResolveComponentName.equals(component)) { 2302 return mResolveActivity; 2303 } 2304 } 2305 return null; 2306 } 2307 2308 @Override 2309 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2310 if (!sUserManager.exists(userId)) return null; 2311 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2312 synchronized (mPackages) { 2313 PackageParser.Activity a = mReceivers.mActivities.get(component); 2314 if (DEBUG_PACKAGE_INFO) Log.v( 2315 TAG, "getReceiverInfo " + component + ": " + a); 2316 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2317 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2318 if (ps == null) return null; 2319 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2320 userId); 2321 } 2322 } 2323 return null; 2324 } 2325 2326 @Override 2327 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2328 if (!sUserManager.exists(userId)) return null; 2329 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2330 synchronized (mPackages) { 2331 PackageParser.Service s = mServices.mServices.get(component); 2332 if (DEBUG_PACKAGE_INFO) Log.v( 2333 TAG, "getServiceInfo " + component + ": " + s); 2334 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2335 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2336 if (ps == null) return null; 2337 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2338 userId); 2339 } 2340 } 2341 return null; 2342 } 2343 2344 @Override 2345 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2346 if (!sUserManager.exists(userId)) return null; 2347 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2348 synchronized (mPackages) { 2349 PackageParser.Provider p = mProviders.mProviders.get(component); 2350 if (DEBUG_PACKAGE_INFO) Log.v( 2351 TAG, "getProviderInfo " + component + ": " + p); 2352 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2353 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2354 if (ps == null) return null; 2355 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2356 userId); 2357 } 2358 } 2359 return null; 2360 } 2361 2362 public String[] getSystemSharedLibraryNames() { 2363 Set<String> libSet; 2364 synchronized (mPackages) { 2365 libSet = mSharedLibraries.keySet(); 2366 int size = libSet.size(); 2367 if (size > 0) { 2368 String[] libs = new String[size]; 2369 libSet.toArray(libs); 2370 return libs; 2371 } 2372 } 2373 return null; 2374 } 2375 2376 public FeatureInfo[] getSystemAvailableFeatures() { 2377 Collection<FeatureInfo> featSet; 2378 synchronized (mPackages) { 2379 featSet = mAvailableFeatures.values(); 2380 int size = featSet.size(); 2381 if (size > 0) { 2382 FeatureInfo[] features = new FeatureInfo[size+1]; 2383 featSet.toArray(features); 2384 FeatureInfo fi = new FeatureInfo(); 2385 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2386 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2387 features[size] = fi; 2388 return features; 2389 } 2390 } 2391 return null; 2392 } 2393 2394 public boolean hasSystemFeature(String name) { 2395 synchronized (mPackages) { 2396 return mAvailableFeatures.containsKey(name); 2397 } 2398 } 2399 2400 private void checkValidCaller(int uid, int userId) { 2401 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2402 return; 2403 2404 throw new SecurityException("Caller uid=" + uid 2405 + " is not privileged to communicate with user=" + userId); 2406 } 2407 2408 public int checkPermission(String permName, String pkgName) { 2409 synchronized (mPackages) { 2410 PackageParser.Package p = mPackages.get(pkgName); 2411 if (p != null && p.mExtras != null) { 2412 PackageSetting ps = (PackageSetting)p.mExtras; 2413 if (ps.sharedUser != null) { 2414 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2415 return PackageManager.PERMISSION_GRANTED; 2416 } 2417 } else if (ps.grantedPermissions.contains(permName)) { 2418 return PackageManager.PERMISSION_GRANTED; 2419 } 2420 } 2421 } 2422 return PackageManager.PERMISSION_DENIED; 2423 } 2424 2425 public int checkUidPermission(String permName, int uid) { 2426 synchronized (mPackages) { 2427 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2428 if (obj != null) { 2429 GrantedPermissions gp = (GrantedPermissions)obj; 2430 if (gp.grantedPermissions.contains(permName)) { 2431 return PackageManager.PERMISSION_GRANTED; 2432 } 2433 } else { 2434 HashSet<String> perms = mSystemPermissions.get(uid); 2435 if (perms != null && perms.contains(permName)) { 2436 return PackageManager.PERMISSION_GRANTED; 2437 } 2438 } 2439 } 2440 return PackageManager.PERMISSION_DENIED; 2441 } 2442 2443 /** 2444 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2445 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2446 * @param message the message to log on security exception 2447 * @return 2448 */ 2449 private void enforceCrossUserPermission(int callingUid, int userId, 2450 boolean requireFullPermission, String message) { 2451 if (userId < 0) { 2452 throw new IllegalArgumentException("Invalid userId " + userId); 2453 } 2454 if (userId == UserHandle.getUserId(callingUid)) return; 2455 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2456 if (requireFullPermission) { 2457 mContext.enforceCallingOrSelfPermission( 2458 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2459 } else { 2460 try { 2461 mContext.enforceCallingOrSelfPermission( 2462 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2463 } catch (SecurityException se) { 2464 mContext.enforceCallingOrSelfPermission( 2465 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2466 } 2467 } 2468 } 2469 } 2470 2471 private BasePermission findPermissionTreeLP(String permName) { 2472 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2473 if (permName.startsWith(bp.name) && 2474 permName.length() > bp.name.length() && 2475 permName.charAt(bp.name.length()) == '.') { 2476 return bp; 2477 } 2478 } 2479 return null; 2480 } 2481 2482 private BasePermission checkPermissionTreeLP(String permName) { 2483 if (permName != null) { 2484 BasePermission bp = findPermissionTreeLP(permName); 2485 if (bp != null) { 2486 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2487 return bp; 2488 } 2489 throw new SecurityException("Calling uid " 2490 + Binder.getCallingUid() 2491 + " is not allowed to add to permission tree " 2492 + bp.name + " owned by uid " + bp.uid); 2493 } 2494 } 2495 throw new SecurityException("No permission tree found for " + permName); 2496 } 2497 2498 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2499 if (s1 == null) { 2500 return s2 == null; 2501 } 2502 if (s2 == null) { 2503 return false; 2504 } 2505 if (s1.getClass() != s2.getClass()) { 2506 return false; 2507 } 2508 return s1.equals(s2); 2509 } 2510 2511 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2512 if (pi1.icon != pi2.icon) return false; 2513 if (pi1.logo != pi2.logo) return false; 2514 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2515 if (!compareStrings(pi1.name, pi2.name)) return false; 2516 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2517 // We'll take care of setting this one. 2518 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2519 // These are not currently stored in settings. 2520 //if (!compareStrings(pi1.group, pi2.group)) return false; 2521 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2522 //if (pi1.labelRes != pi2.labelRes) return false; 2523 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2524 return true; 2525 } 2526 2527 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2528 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2529 throw new SecurityException("Label must be specified in permission"); 2530 } 2531 BasePermission tree = checkPermissionTreeLP(info.name); 2532 BasePermission bp = mSettings.mPermissions.get(info.name); 2533 boolean added = bp == null; 2534 boolean changed = true; 2535 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2536 if (added) { 2537 bp = new BasePermission(info.name, tree.sourcePackage, 2538 BasePermission.TYPE_DYNAMIC); 2539 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2540 throw new SecurityException( 2541 "Not allowed to modify non-dynamic permission " 2542 + info.name); 2543 } else { 2544 if (bp.protectionLevel == fixedLevel 2545 && bp.perm.owner.equals(tree.perm.owner) 2546 && bp.uid == tree.uid 2547 && comparePermissionInfos(bp.perm.info, info)) { 2548 changed = false; 2549 } 2550 } 2551 bp.protectionLevel = fixedLevel; 2552 info = new PermissionInfo(info); 2553 info.protectionLevel = fixedLevel; 2554 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2555 bp.perm.info.packageName = tree.perm.info.packageName; 2556 bp.uid = tree.uid; 2557 if (added) { 2558 mSettings.mPermissions.put(info.name, bp); 2559 } 2560 if (changed) { 2561 if (!async) { 2562 mSettings.writeLPr(); 2563 } else { 2564 scheduleWriteSettingsLocked(); 2565 } 2566 } 2567 return added; 2568 } 2569 2570 public boolean addPermission(PermissionInfo info) { 2571 synchronized (mPackages) { 2572 return addPermissionLocked(info, false); 2573 } 2574 } 2575 2576 public boolean addPermissionAsync(PermissionInfo info) { 2577 synchronized (mPackages) { 2578 return addPermissionLocked(info, true); 2579 } 2580 } 2581 2582 public void removePermission(String name) { 2583 synchronized (mPackages) { 2584 checkPermissionTreeLP(name); 2585 BasePermission bp = mSettings.mPermissions.get(name); 2586 if (bp != null) { 2587 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2588 throw new SecurityException( 2589 "Not allowed to modify non-dynamic permission " 2590 + name); 2591 } 2592 mSettings.mPermissions.remove(name); 2593 mSettings.writeLPr(); 2594 } 2595 } 2596 } 2597 2598 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2599 int index = pkg.requestedPermissions.indexOf(bp.name); 2600 if (index == -1) { 2601 throw new SecurityException("Package " + pkg.packageName 2602 + " has not requested permission " + bp.name); 2603 } 2604 boolean isNormal = 2605 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2606 == PermissionInfo.PROTECTION_NORMAL); 2607 boolean isDangerous = 2608 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2609 == PermissionInfo.PROTECTION_DANGEROUS); 2610 boolean isDevelopment = 2611 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2612 2613 if (!isNormal && !isDangerous && !isDevelopment) { 2614 throw new SecurityException("Permission " + bp.name 2615 + " is not a changeable permission type"); 2616 } 2617 2618 if (isNormal || isDangerous) { 2619 if (pkg.requestedPermissionsRequired.get(index)) { 2620 throw new SecurityException("Can't change " + bp.name 2621 + ". It is required by the application"); 2622 } 2623 } 2624 } 2625 2626 public void grantPermission(String packageName, String permissionName) { 2627 mContext.enforceCallingOrSelfPermission( 2628 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2629 synchronized (mPackages) { 2630 final PackageParser.Package pkg = mPackages.get(packageName); 2631 if (pkg == null) { 2632 throw new IllegalArgumentException("Unknown package: " + packageName); 2633 } 2634 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2635 if (bp == null) { 2636 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2637 } 2638 2639 checkGrantRevokePermissions(pkg, bp); 2640 2641 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2642 if (ps == null) { 2643 return; 2644 } 2645 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2646 if (gp.grantedPermissions.add(permissionName)) { 2647 if (ps.haveGids) { 2648 gp.gids = appendInts(gp.gids, bp.gids); 2649 } 2650 mSettings.writeLPr(); 2651 } 2652 } 2653 } 2654 2655 public void revokePermission(String packageName, String permissionName) { 2656 int changedAppId = -1; 2657 2658 synchronized (mPackages) { 2659 final PackageParser.Package pkg = mPackages.get(packageName); 2660 if (pkg == null) { 2661 throw new IllegalArgumentException("Unknown package: " + packageName); 2662 } 2663 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2664 mContext.enforceCallingOrSelfPermission( 2665 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2666 } 2667 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2668 if (bp == null) { 2669 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2670 } 2671 2672 checkGrantRevokePermissions(pkg, bp); 2673 2674 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2675 if (ps == null) { 2676 return; 2677 } 2678 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2679 if (gp.grantedPermissions.remove(permissionName)) { 2680 gp.grantedPermissions.remove(permissionName); 2681 if (ps.haveGids) { 2682 gp.gids = removeInts(gp.gids, bp.gids); 2683 } 2684 mSettings.writeLPr(); 2685 changedAppId = ps.appId; 2686 } 2687 } 2688 2689 if (changedAppId >= 0) { 2690 // We changed the perm on someone, kill its processes. 2691 IActivityManager am = ActivityManagerNative.getDefault(); 2692 if (am != null) { 2693 final int callingUserId = UserHandle.getCallingUserId(); 2694 final long ident = Binder.clearCallingIdentity(); 2695 try { 2696 //XXX we should only revoke for the calling user's app permissions, 2697 // but for now we impact all users. 2698 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2699 // "revoke " + permissionName); 2700 int[] users = sUserManager.getUserIds(); 2701 for (int user : users) { 2702 am.killUid(UserHandle.getUid(user, changedAppId), 2703 "revoke " + permissionName); 2704 } 2705 } catch (RemoteException e) { 2706 } finally { 2707 Binder.restoreCallingIdentity(ident); 2708 } 2709 } 2710 } 2711 } 2712 2713 public boolean isProtectedBroadcast(String actionName) { 2714 synchronized (mPackages) { 2715 return mProtectedBroadcasts.contains(actionName); 2716 } 2717 } 2718 2719 public int checkSignatures(String pkg1, String pkg2) { 2720 synchronized (mPackages) { 2721 final PackageParser.Package p1 = mPackages.get(pkg1); 2722 final PackageParser.Package p2 = mPackages.get(pkg2); 2723 if (p1 == null || p1.mExtras == null 2724 || p2 == null || p2.mExtras == null) { 2725 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2726 } 2727 return compareSignatures(p1.mSignatures, p2.mSignatures); 2728 } 2729 } 2730 2731 public int checkUidSignatures(int uid1, int uid2) { 2732 // Map to base uids. 2733 uid1 = UserHandle.getAppId(uid1); 2734 uid2 = UserHandle.getAppId(uid2); 2735 // reader 2736 synchronized (mPackages) { 2737 Signature[] s1; 2738 Signature[] s2; 2739 Object obj = mSettings.getUserIdLPr(uid1); 2740 if (obj != null) { 2741 if (obj instanceof SharedUserSetting) { 2742 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2743 } else if (obj instanceof PackageSetting) { 2744 s1 = ((PackageSetting)obj).signatures.mSignatures; 2745 } else { 2746 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2747 } 2748 } else { 2749 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2750 } 2751 obj = mSettings.getUserIdLPr(uid2); 2752 if (obj != null) { 2753 if (obj instanceof SharedUserSetting) { 2754 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2755 } else if (obj instanceof PackageSetting) { 2756 s2 = ((PackageSetting)obj).signatures.mSignatures; 2757 } else { 2758 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2759 } 2760 } else { 2761 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2762 } 2763 return compareSignatures(s1, s2); 2764 } 2765 } 2766 2767 /** 2768 * Compares two sets of signatures. Returns: 2769 * <br /> 2770 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2771 * <br /> 2772 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2773 * <br /> 2774 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2775 * <br /> 2776 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2777 * <br /> 2778 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2779 */ 2780 static int compareSignatures(Signature[] s1, Signature[] s2) { 2781 if (s1 == null) { 2782 return s2 == null 2783 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2784 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2785 } 2786 2787 if (s2 == null) { 2788 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2789 } 2790 2791 if (s1.length != s2.length) { 2792 return PackageManager.SIGNATURE_NO_MATCH; 2793 } 2794 2795 // Since both signature sets are of size 1, we can compare without HashSets. 2796 if (s1.length == 1) { 2797 return s1[0].equals(s2[0]) ? 2798 PackageManager.SIGNATURE_MATCH : 2799 PackageManager.SIGNATURE_NO_MATCH; 2800 } 2801 2802 HashSet<Signature> set1 = new HashSet<Signature>(); 2803 for (Signature sig : s1) { 2804 set1.add(sig); 2805 } 2806 HashSet<Signature> set2 = new HashSet<Signature>(); 2807 for (Signature sig : s2) { 2808 set2.add(sig); 2809 } 2810 // Make sure s2 contains all signatures in s1. 2811 if (set1.equals(set2)) { 2812 return PackageManager.SIGNATURE_MATCH; 2813 } 2814 return PackageManager.SIGNATURE_NO_MATCH; 2815 } 2816 2817 public String[] getPackagesForUid(int uid) { 2818 uid = UserHandle.getAppId(uid); 2819 // reader 2820 synchronized (mPackages) { 2821 Object obj = mSettings.getUserIdLPr(uid); 2822 if (obj instanceof SharedUserSetting) { 2823 final SharedUserSetting sus = (SharedUserSetting) obj; 2824 final int N = sus.packages.size(); 2825 final String[] res = new String[N]; 2826 final Iterator<PackageSetting> it = sus.packages.iterator(); 2827 int i = 0; 2828 while (it.hasNext()) { 2829 res[i++] = it.next().name; 2830 } 2831 return res; 2832 } else if (obj instanceof PackageSetting) { 2833 final PackageSetting ps = (PackageSetting) obj; 2834 return new String[] { ps.name }; 2835 } 2836 } 2837 return null; 2838 } 2839 2840 public String getNameForUid(int uid) { 2841 // reader 2842 synchronized (mPackages) { 2843 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2844 if (obj instanceof SharedUserSetting) { 2845 final SharedUserSetting sus = (SharedUserSetting) obj; 2846 return sus.name + ":" + sus.userId; 2847 } else if (obj instanceof PackageSetting) { 2848 final PackageSetting ps = (PackageSetting) obj; 2849 return ps.name; 2850 } 2851 } 2852 return null; 2853 } 2854 2855 public int getUidForSharedUser(String sharedUserName) { 2856 if(sharedUserName == null) { 2857 return -1; 2858 } 2859 // reader 2860 synchronized (mPackages) { 2861 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2862 if (suid == null) { 2863 return -1; 2864 } 2865 return suid.userId; 2866 } 2867 } 2868 2869 public int getFlagsForUid(int uid) { 2870 synchronized (mPackages) { 2871 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2872 if (obj instanceof SharedUserSetting) { 2873 final SharedUserSetting sus = (SharedUserSetting) obj; 2874 return sus.pkgFlags; 2875 } else if (obj instanceof PackageSetting) { 2876 final PackageSetting ps = (PackageSetting) obj; 2877 return ps.pkgFlags; 2878 } 2879 } 2880 return 0; 2881 } 2882 2883 @Override 2884 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2885 int flags, int userId) { 2886 if (!sUserManager.exists(userId)) return null; 2887 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2888 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2889 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2890 } 2891 2892 @Override 2893 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2894 IntentFilter filter, int match, ComponentName activity) { 2895 final int userId = UserHandle.getCallingUserId(); 2896 if (DEBUG_PREFERRED) { 2897 Log.v(TAG, "setLastChosenActivity intent=" + intent 2898 + " resolvedType=" + resolvedType 2899 + " flags=" + flags 2900 + " filter=" + filter 2901 + " match=" + match 2902 + " activity=" + activity); 2903 filter.dump(new PrintStreamPrinter(System.out), " "); 2904 } 2905 intent.setComponent(null); 2906 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2907 // Find any earlier preferred or last chosen entries and nuke them 2908 findPreferredActivity(intent, resolvedType, 2909 flags, query, 0, false, true, false, userId); 2910 // Add the new activity as the last chosen for this filter 2911 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2912 } 2913 2914 @Override 2915 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2916 final int userId = UserHandle.getCallingUserId(); 2917 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2918 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2919 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2920 false, false, false, userId); 2921 } 2922 2923 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2924 int flags, List<ResolveInfo> query, int userId) { 2925 if (query != null) { 2926 final int N = query.size(); 2927 if (N == 1) { 2928 return query.get(0); 2929 } else if (N > 1) { 2930 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2931 // If there is more than one activity with the same priority, 2932 // then let the user decide between them. 2933 ResolveInfo r0 = query.get(0); 2934 ResolveInfo r1 = query.get(1); 2935 if (DEBUG_INTENT_MATCHING || debug) { 2936 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2937 + r1.activityInfo.name + "=" + r1.priority); 2938 } 2939 // If the first activity has a higher priority, or a different 2940 // default, then it is always desireable to pick it. 2941 if (r0.priority != r1.priority 2942 || r0.preferredOrder != r1.preferredOrder 2943 || r0.isDefault != r1.isDefault) { 2944 return query.get(0); 2945 } 2946 // If we have saved a preference for a preferred activity for 2947 // this Intent, use that. 2948 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2949 flags, query, r0.priority, true, false, debug, userId); 2950 if (ri != null) { 2951 return ri; 2952 } 2953 if (userId != 0) { 2954 ri = new ResolveInfo(mResolveInfo); 2955 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2956 ri.activityInfo.applicationInfo = new ApplicationInfo( 2957 ri.activityInfo.applicationInfo); 2958 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2959 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2960 return ri; 2961 } 2962 return mResolveInfo; 2963 } 2964 } 2965 return null; 2966 } 2967 2968 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2969 List<ResolveInfo> query, int priority, boolean always, 2970 boolean removeMatches, boolean debug, int userId) { 2971 if (!sUserManager.exists(userId)) return null; 2972 // writer 2973 synchronized (mPackages) { 2974 if (intent.getSelector() != null) { 2975 intent = intent.getSelector(); 2976 } 2977 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2978 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2979 // Get the list of preferred activities that handle the intent 2980 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2981 List<PreferredActivity> prefs = pir != null 2982 ? pir.queryIntent(intent, resolvedType, 2983 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2984 : null; 2985 if (prefs != null && prefs.size() > 0) { 2986 // First figure out how good the original match set is. 2987 // We will only allow preferred activities that came 2988 // from the same match quality. 2989 int match = 0; 2990 2991 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2992 2993 final int N = query.size(); 2994 for (int j=0; j<N; j++) { 2995 final ResolveInfo ri = query.get(j); 2996 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2997 + ": 0x" + Integer.toHexString(match)); 2998 if (ri.match > match) { 2999 match = ri.match; 3000 } 3001 } 3002 3003 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3004 + Integer.toHexString(match)); 3005 3006 match &= IntentFilter.MATCH_CATEGORY_MASK; 3007 final int M = prefs.size(); 3008 for (int i=0; i<M; i++) { 3009 final PreferredActivity pa = prefs.get(i); 3010 if (DEBUG_PREFERRED || debug) { 3011 Slog.v(TAG, "Checking PreferredActivity ds=" 3012 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3013 + "\n component=" + pa.mPref.mComponent); 3014 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3015 } 3016 if (pa.mPref.mMatch != match) { 3017 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3018 + Integer.toHexString(pa.mPref.mMatch)); 3019 continue; 3020 } 3021 // If it's not an "always" type preferred activity and that's what we're 3022 // looking for, skip it. 3023 if (always && !pa.mPref.mAlways) { 3024 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3025 continue; 3026 } 3027 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3028 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3029 if (DEBUG_PREFERRED || debug) { 3030 Slog.v(TAG, "Found preferred activity:"); 3031 if (ai != null) { 3032 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3033 } else { 3034 Slog.v(TAG, " null"); 3035 } 3036 } 3037 if (ai == null) { 3038 // This previously registered preferred activity 3039 // component is no longer known. Most likely an update 3040 // to the app was installed and in the new version this 3041 // component no longer exists. Clean it up by removing 3042 // it from the preferred activities list, and skip it. 3043 Slog.w(TAG, "Removing dangling preferred activity: " 3044 + pa.mPref.mComponent); 3045 pir.removeFilter(pa); 3046 continue; 3047 } 3048 for (int j=0; j<N; j++) { 3049 final ResolveInfo ri = query.get(j); 3050 if (!ri.activityInfo.applicationInfo.packageName 3051 .equals(ai.applicationInfo.packageName)) { 3052 continue; 3053 } 3054 if (!ri.activityInfo.name.equals(ai.name)) { 3055 continue; 3056 } 3057 3058 if (removeMatches) { 3059 pir.removeFilter(pa); 3060 if (DEBUG_PREFERRED) { 3061 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3062 } 3063 break; 3064 } 3065 3066 // Okay we found a previously set preferred or last chosen app. 3067 // If the result set is different from when this 3068 // was created, we need to clear it and re-ask the 3069 // user their preference, if we're looking for an "always" type entry. 3070 if (always && !pa.mPref.sameSet(query, priority)) { 3071 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3072 + intent + " type " + resolvedType); 3073 if (DEBUG_PREFERRED) { 3074 Slog.v(TAG, "Removing preferred activity since set changed " 3075 + pa.mPref.mComponent); 3076 } 3077 pir.removeFilter(pa); 3078 // Re-add the filter as a "last chosen" entry (!always) 3079 PreferredActivity lastChosen = new PreferredActivity( 3080 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3081 pir.addFilter(lastChosen); 3082 mSettings.writePackageRestrictionsLPr(userId); 3083 return null; 3084 } 3085 3086 // Yay! Either the set matched or we're looking for the last chosen 3087 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3088 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3089 mSettings.writePackageRestrictionsLPr(userId); 3090 return ri; 3091 } 3092 } 3093 } 3094 mSettings.writePackageRestrictionsLPr(userId); 3095 } 3096 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3097 return null; 3098 } 3099 3100 @Override 3101 public List<ResolveInfo> queryIntentActivities(Intent intent, 3102 String resolvedType, int flags, int userId) { 3103 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3104 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3105 ComponentName comp = intent.getComponent(); 3106 if (comp == null) { 3107 if (intent.getSelector() != null) { 3108 intent = intent.getSelector(); 3109 comp = intent.getComponent(); 3110 } 3111 } 3112 3113 if (comp != null) { 3114 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3115 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3116 if (ai != null) { 3117 final ResolveInfo ri = new ResolveInfo(); 3118 ri.activityInfo = ai; 3119 list.add(ri); 3120 } 3121 return list; 3122 } 3123 3124 // reader 3125 synchronized (mPackages) { 3126 final String pkgName = intent.getPackage(); 3127 if (pkgName == null) { 3128 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3129 } 3130 final PackageParser.Package pkg = mPackages.get(pkgName); 3131 if (pkg != null) { 3132 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3133 pkg.activities, userId); 3134 } 3135 return new ArrayList<ResolveInfo>(); 3136 } 3137 } 3138 3139 @Override 3140 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3141 Intent[] specifics, String[] specificTypes, Intent intent, 3142 String resolvedType, int flags, int userId) { 3143 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3144 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3145 "query intent activity options"); 3146 final String resultsAction = intent.getAction(); 3147 3148 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3149 | PackageManager.GET_RESOLVED_FILTER, userId); 3150 3151 if (DEBUG_INTENT_MATCHING) { 3152 Log.v(TAG, "Query " + intent + ": " + results); 3153 } 3154 3155 int specificsPos = 0; 3156 int N; 3157 3158 // todo: note that the algorithm used here is O(N^2). This 3159 // isn't a problem in our current environment, but if we start running 3160 // into situations where we have more than 5 or 10 matches then this 3161 // should probably be changed to something smarter... 3162 3163 // First we go through and resolve each of the specific items 3164 // that were supplied, taking care of removing any corresponding 3165 // duplicate items in the generic resolve list. 3166 if (specifics != null) { 3167 for (int i=0; i<specifics.length; i++) { 3168 final Intent sintent = specifics[i]; 3169 if (sintent == null) { 3170 continue; 3171 } 3172 3173 if (DEBUG_INTENT_MATCHING) { 3174 Log.v(TAG, "Specific #" + i + ": " + sintent); 3175 } 3176 3177 String action = sintent.getAction(); 3178 if (resultsAction != null && resultsAction.equals(action)) { 3179 // If this action was explicitly requested, then don't 3180 // remove things that have it. 3181 action = null; 3182 } 3183 3184 ResolveInfo ri = null; 3185 ActivityInfo ai = null; 3186 3187 ComponentName comp = sintent.getComponent(); 3188 if (comp == null) { 3189 ri = resolveIntent( 3190 sintent, 3191 specificTypes != null ? specificTypes[i] : null, 3192 flags, userId); 3193 if (ri == null) { 3194 continue; 3195 } 3196 if (ri == mResolveInfo) { 3197 // ACK! Must do something better with this. 3198 } 3199 ai = ri.activityInfo; 3200 comp = new ComponentName(ai.applicationInfo.packageName, 3201 ai.name); 3202 } else { 3203 ai = getActivityInfo(comp, flags, userId); 3204 if (ai == null) { 3205 continue; 3206 } 3207 } 3208 3209 // Look for any generic query activities that are duplicates 3210 // of this specific one, and remove them from the results. 3211 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3212 N = results.size(); 3213 int j; 3214 for (j=specificsPos; j<N; j++) { 3215 ResolveInfo sri = results.get(j); 3216 if ((sri.activityInfo.name.equals(comp.getClassName()) 3217 && sri.activityInfo.applicationInfo.packageName.equals( 3218 comp.getPackageName())) 3219 || (action != null && sri.filter.matchAction(action))) { 3220 results.remove(j); 3221 if (DEBUG_INTENT_MATCHING) Log.v( 3222 TAG, "Removing duplicate item from " + j 3223 + " due to specific " + specificsPos); 3224 if (ri == null) { 3225 ri = sri; 3226 } 3227 j--; 3228 N--; 3229 } 3230 } 3231 3232 // Add this specific item to its proper place. 3233 if (ri == null) { 3234 ri = new ResolveInfo(); 3235 ri.activityInfo = ai; 3236 } 3237 results.add(specificsPos, ri); 3238 ri.specificIndex = i; 3239 specificsPos++; 3240 } 3241 } 3242 3243 // Now we go through the remaining generic results and remove any 3244 // duplicate actions that are found here. 3245 N = results.size(); 3246 for (int i=specificsPos; i<N-1; i++) { 3247 final ResolveInfo rii = results.get(i); 3248 if (rii.filter == null) { 3249 continue; 3250 } 3251 3252 // Iterate over all of the actions of this result's intent 3253 // filter... typically this should be just one. 3254 final Iterator<String> it = rii.filter.actionsIterator(); 3255 if (it == null) { 3256 continue; 3257 } 3258 while (it.hasNext()) { 3259 final String action = it.next(); 3260 if (resultsAction != null && resultsAction.equals(action)) { 3261 // If this action was explicitly requested, then don't 3262 // remove things that have it. 3263 continue; 3264 } 3265 for (int j=i+1; j<N; j++) { 3266 final ResolveInfo rij = results.get(j); 3267 if (rij.filter != null && rij.filter.hasAction(action)) { 3268 results.remove(j); 3269 if (DEBUG_INTENT_MATCHING) Log.v( 3270 TAG, "Removing duplicate item from " + j 3271 + " due to action " + action + " at " + i); 3272 j--; 3273 N--; 3274 } 3275 } 3276 } 3277 3278 // If the caller didn't request filter information, drop it now 3279 // so we don't have to marshall/unmarshall it. 3280 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3281 rii.filter = null; 3282 } 3283 } 3284 3285 // Filter out the caller activity if so requested. 3286 if (caller != null) { 3287 N = results.size(); 3288 for (int i=0; i<N; i++) { 3289 ActivityInfo ainfo = results.get(i).activityInfo; 3290 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3291 && caller.getClassName().equals(ainfo.name)) { 3292 results.remove(i); 3293 break; 3294 } 3295 } 3296 } 3297 3298 // If the caller didn't request filter information, 3299 // drop them now so we don't have to 3300 // marshall/unmarshall it. 3301 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3302 N = results.size(); 3303 for (int i=0; i<N; i++) { 3304 results.get(i).filter = null; 3305 } 3306 } 3307 3308 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3309 return results; 3310 } 3311 3312 @Override 3313 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3314 int userId) { 3315 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3316 ComponentName comp = intent.getComponent(); 3317 if (comp == null) { 3318 if (intent.getSelector() != null) { 3319 intent = intent.getSelector(); 3320 comp = intent.getComponent(); 3321 } 3322 } 3323 if (comp != null) { 3324 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3325 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3326 if (ai != null) { 3327 ResolveInfo ri = new ResolveInfo(); 3328 ri.activityInfo = ai; 3329 list.add(ri); 3330 } 3331 return list; 3332 } 3333 3334 // reader 3335 synchronized (mPackages) { 3336 String pkgName = intent.getPackage(); 3337 if (pkgName == null) { 3338 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3339 } 3340 final PackageParser.Package pkg = mPackages.get(pkgName); 3341 if (pkg != null) { 3342 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3343 userId); 3344 } 3345 return null; 3346 } 3347 } 3348 3349 @Override 3350 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3351 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3352 if (!sUserManager.exists(userId)) return null; 3353 if (query != null) { 3354 if (query.size() >= 1) { 3355 // If there is more than one service with the same priority, 3356 // just arbitrarily pick the first one. 3357 return query.get(0); 3358 } 3359 } 3360 return null; 3361 } 3362 3363 @Override 3364 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3365 int userId) { 3366 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3367 ComponentName comp = intent.getComponent(); 3368 if (comp == null) { 3369 if (intent.getSelector() != null) { 3370 intent = intent.getSelector(); 3371 comp = intent.getComponent(); 3372 } 3373 } 3374 if (comp != null) { 3375 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3376 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3377 if (si != null) { 3378 final ResolveInfo ri = new ResolveInfo(); 3379 ri.serviceInfo = si; 3380 list.add(ri); 3381 } 3382 return list; 3383 } 3384 3385 // reader 3386 synchronized (mPackages) { 3387 String pkgName = intent.getPackage(); 3388 if (pkgName == null) { 3389 return mServices.queryIntent(intent, resolvedType, flags, userId); 3390 } 3391 final PackageParser.Package pkg = mPackages.get(pkgName); 3392 if (pkg != null) { 3393 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3394 userId); 3395 } 3396 return null; 3397 } 3398 } 3399 3400 @Override 3401 public List<ResolveInfo> queryIntentContentProviders( 3402 Intent intent, String resolvedType, int flags, int userId) { 3403 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3404 ComponentName comp = intent.getComponent(); 3405 if (comp == null) { 3406 if (intent.getSelector() != null) { 3407 intent = intent.getSelector(); 3408 comp = intent.getComponent(); 3409 } 3410 } 3411 if (comp != null) { 3412 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3413 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3414 if (pi != null) { 3415 final ResolveInfo ri = new ResolveInfo(); 3416 ri.providerInfo = pi; 3417 list.add(ri); 3418 } 3419 return list; 3420 } 3421 3422 // reader 3423 synchronized (mPackages) { 3424 String pkgName = intent.getPackage(); 3425 if (pkgName == null) { 3426 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3427 } 3428 final PackageParser.Package pkg = mPackages.get(pkgName); 3429 if (pkg != null) { 3430 return mProviders.queryIntentForPackage( 3431 intent, resolvedType, flags, pkg.providers, userId); 3432 } 3433 return null; 3434 } 3435 } 3436 3437 @Override 3438 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3439 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3440 3441 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3442 3443 // writer 3444 synchronized (mPackages) { 3445 ArrayList<PackageInfo> list; 3446 if (listUninstalled) { 3447 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3448 for (PackageSetting ps : mSettings.mPackages.values()) { 3449 PackageInfo pi; 3450 if (ps.pkg != null) { 3451 pi = generatePackageInfo(ps.pkg, flags, userId); 3452 } else { 3453 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3454 } 3455 if (pi != null) { 3456 list.add(pi); 3457 } 3458 } 3459 } else { 3460 list = new ArrayList<PackageInfo>(mPackages.size()); 3461 for (PackageParser.Package p : mPackages.values()) { 3462 PackageInfo pi = generatePackageInfo(p, flags, userId); 3463 if (pi != null) { 3464 list.add(pi); 3465 } 3466 } 3467 } 3468 3469 return new ParceledListSlice<PackageInfo>(list); 3470 } 3471 } 3472 3473 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3474 String[] permissions, boolean[] tmp, int flags, int userId) { 3475 int numMatch = 0; 3476 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3477 for (int i=0; i<permissions.length; i++) { 3478 if (gp.grantedPermissions.contains(permissions[i])) { 3479 tmp[i] = true; 3480 numMatch++; 3481 } else { 3482 tmp[i] = false; 3483 } 3484 } 3485 if (numMatch == 0) { 3486 return; 3487 } 3488 PackageInfo pi; 3489 if (ps.pkg != null) { 3490 pi = generatePackageInfo(ps.pkg, flags, userId); 3491 } else { 3492 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3493 } 3494 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3495 if (numMatch == permissions.length) { 3496 pi.requestedPermissions = permissions; 3497 } else { 3498 pi.requestedPermissions = new String[numMatch]; 3499 numMatch = 0; 3500 for (int i=0; i<permissions.length; i++) { 3501 if (tmp[i]) { 3502 pi.requestedPermissions[numMatch] = permissions[i]; 3503 numMatch++; 3504 } 3505 } 3506 } 3507 } 3508 list.add(pi); 3509 } 3510 3511 @Override 3512 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3513 String[] permissions, int flags, int userId) { 3514 if (!sUserManager.exists(userId)) return null; 3515 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3516 3517 // writer 3518 synchronized (mPackages) { 3519 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3520 boolean[] tmpBools = new boolean[permissions.length]; 3521 if (listUninstalled) { 3522 for (PackageSetting ps : mSettings.mPackages.values()) { 3523 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3524 } 3525 } else { 3526 for (PackageParser.Package pkg : mPackages.values()) { 3527 PackageSetting ps = (PackageSetting)pkg.mExtras; 3528 if (ps != null) { 3529 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3530 userId); 3531 } 3532 } 3533 } 3534 3535 return new ParceledListSlice<PackageInfo>(list); 3536 } 3537 } 3538 3539 @Override 3540 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3541 if (!sUserManager.exists(userId)) return null; 3542 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3543 3544 // writer 3545 synchronized (mPackages) { 3546 ArrayList<ApplicationInfo> list; 3547 if (listUninstalled) { 3548 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3549 for (PackageSetting ps : mSettings.mPackages.values()) { 3550 ApplicationInfo ai; 3551 if (ps.pkg != null) { 3552 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3553 ps.readUserState(userId), userId); 3554 } else { 3555 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3556 } 3557 if (ai != null) { 3558 list.add(ai); 3559 } 3560 } 3561 } else { 3562 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3563 for (PackageParser.Package p : mPackages.values()) { 3564 if (p.mExtras != null) { 3565 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3566 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3567 if (ai != null) { 3568 list.add(ai); 3569 } 3570 } 3571 } 3572 } 3573 3574 return new ParceledListSlice<ApplicationInfo>(list); 3575 } 3576 } 3577 3578 public List<ApplicationInfo> getPersistentApplications(int flags) { 3579 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3580 3581 // reader 3582 synchronized (mPackages) { 3583 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3584 final int userId = UserHandle.getCallingUserId(); 3585 while (i.hasNext()) { 3586 final PackageParser.Package p = i.next(); 3587 if (p.applicationInfo != null 3588 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3589 && (!mSafeMode || isSystemApp(p))) { 3590 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3591 if (ps != null) { 3592 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3593 ps.readUserState(userId), userId); 3594 if (ai != null) { 3595 finalList.add(ai); 3596 } 3597 } 3598 } 3599 } 3600 } 3601 3602 return finalList; 3603 } 3604 3605 @Override 3606 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3607 if (!sUserManager.exists(userId)) return null; 3608 // reader 3609 synchronized (mPackages) { 3610 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3611 PackageSetting ps = provider != null 3612 ? mSettings.mPackages.get(provider.owner.packageName) 3613 : null; 3614 return ps != null 3615 && mSettings.isEnabledLPr(provider.info, flags, userId) 3616 && (!mSafeMode || (provider.info.applicationInfo.flags 3617 &ApplicationInfo.FLAG_SYSTEM) != 0) 3618 ? PackageParser.generateProviderInfo(provider, flags, 3619 ps.readUserState(userId), userId) 3620 : null; 3621 } 3622 } 3623 3624 /** 3625 * @deprecated 3626 */ 3627 @Deprecated 3628 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3629 // reader 3630 synchronized (mPackages) { 3631 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3632 .entrySet().iterator(); 3633 final int userId = UserHandle.getCallingUserId(); 3634 while (i.hasNext()) { 3635 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3636 PackageParser.Provider p = entry.getValue(); 3637 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3638 3639 if (ps != null && p.syncable 3640 && (!mSafeMode || (p.info.applicationInfo.flags 3641 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3642 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3643 ps.readUserState(userId), userId); 3644 if (info != null) { 3645 outNames.add(entry.getKey()); 3646 outInfo.add(info); 3647 } 3648 } 3649 } 3650 } 3651 } 3652 3653 public List<ProviderInfo> queryContentProviders(String processName, 3654 int uid, int flags) { 3655 ArrayList<ProviderInfo> finalList = null; 3656 // reader 3657 synchronized (mPackages) { 3658 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3659 final int userId = processName != null ? 3660 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3661 while (i.hasNext()) { 3662 final PackageParser.Provider p = i.next(); 3663 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3664 if (ps != null && p.info.authority != null 3665 && (processName == null 3666 || (p.info.processName.equals(processName) 3667 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3668 && mSettings.isEnabledLPr(p.info, flags, userId) 3669 && (!mSafeMode 3670 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3671 if (finalList == null) { 3672 finalList = new ArrayList<ProviderInfo>(3); 3673 } 3674 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3675 ps.readUserState(userId), userId); 3676 if (info != null) { 3677 finalList.add(info); 3678 } 3679 } 3680 } 3681 } 3682 3683 if (finalList != null) { 3684 Collections.sort(finalList, mProviderInitOrderSorter); 3685 } 3686 3687 return finalList; 3688 } 3689 3690 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3691 int flags) { 3692 // reader 3693 synchronized (mPackages) { 3694 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3695 return PackageParser.generateInstrumentationInfo(i, flags); 3696 } 3697 } 3698 3699 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3700 int flags) { 3701 ArrayList<InstrumentationInfo> finalList = 3702 new ArrayList<InstrumentationInfo>(); 3703 3704 // reader 3705 synchronized (mPackages) { 3706 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3707 while (i.hasNext()) { 3708 final PackageParser.Instrumentation p = i.next(); 3709 if (targetPackage == null 3710 || targetPackage.equals(p.info.targetPackage)) { 3711 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3712 flags); 3713 if (ii != null) { 3714 finalList.add(ii); 3715 } 3716 } 3717 } 3718 } 3719 3720 return finalList; 3721 } 3722 3723 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3724 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3725 if (overlays == null) { 3726 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3727 return; 3728 } 3729 for (PackageParser.Package opkg : overlays.values()) { 3730 // Not much to do if idmap fails: we already logged the error 3731 // and we certainly don't want to abort installation of pkg simply 3732 // because an overlay didn't fit properly. For these reasons, 3733 // ignore the return value of createIdmapForPackagePairLI. 3734 createIdmapForPackagePairLI(pkg, opkg); 3735 } 3736 } 3737 3738 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3739 PackageParser.Package opkg) { 3740 if (!opkg.mTrustedOverlay) { 3741 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3742 opkg.mScanPath + ": overlay not trusted"); 3743 return false; 3744 } 3745 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3746 if (overlaySet == null) { 3747 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3748 opkg.mScanPath + " but target package has no known overlays"); 3749 return false; 3750 } 3751 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3752 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3753 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3754 return false; 3755 } 3756 PackageParser.Package[] overlayArray = 3757 overlaySet.values().toArray(new PackageParser.Package[0]); 3758 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3759 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3760 return p1.mOverlayPriority - p2.mOverlayPriority; 3761 } 3762 }; 3763 Arrays.sort(overlayArray, cmp); 3764 3765 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3766 int i = 0; 3767 for (PackageParser.Package p : overlayArray) { 3768 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3769 } 3770 return true; 3771 } 3772 3773 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3774 String[] files = dir.list(); 3775 if (files == null) { 3776 Log.d(TAG, "No files in app dir " + dir); 3777 return; 3778 } 3779 3780 if (DEBUG_PACKAGE_SCANNING) { 3781 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3782 + " flags=0x" + Integer.toHexString(flags)); 3783 } 3784 3785 int i; 3786 for (i=0; i<files.length; i++) { 3787 File file = new File(dir, files[i]); 3788 if (!isPackageFilename(files[i])) { 3789 // Ignore entries which are not apk's 3790 continue; 3791 } 3792 PackageParser.Package pkg = scanPackageLI(file, 3793 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3794 // Don't mess around with apps in system partition. 3795 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3796 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3797 // Delete the apk 3798 Slog.w(TAG, "Cleaning up failed install of " + file); 3799 file.delete(); 3800 } 3801 } 3802 } 3803 3804 private static File getSettingsProblemFile() { 3805 File dataDir = Environment.getDataDirectory(); 3806 File systemDir = new File(dataDir, "system"); 3807 File fname = new File(systemDir, "uiderrors.txt"); 3808 return fname; 3809 } 3810 3811 static void reportSettingsProblem(int priority, String msg) { 3812 try { 3813 File fname = getSettingsProblemFile(); 3814 FileOutputStream out = new FileOutputStream(fname, true); 3815 PrintWriter pw = new FastPrintWriter(out); 3816 SimpleDateFormat formatter = new SimpleDateFormat(); 3817 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3818 pw.println(dateString + ": " + msg); 3819 pw.close(); 3820 FileUtils.setPermissions( 3821 fname.toString(), 3822 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3823 -1, -1); 3824 } catch (java.io.IOException e) { 3825 } 3826 Slog.println(priority, TAG, msg); 3827 } 3828 3829 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3830 PackageParser.Package pkg, File srcFile, int parseFlags) { 3831 if (GET_CERTIFICATES) { 3832 if (ps != null 3833 && ps.codePath.equals(srcFile) 3834 && ps.timeStamp == srcFile.lastModified()) { 3835 if (ps.signatures.mSignatures != null 3836 && ps.signatures.mSignatures.length != 0) { 3837 // Optimization: reuse the existing cached certificates 3838 // if the package appears to be unchanged. 3839 pkg.mSignatures = ps.signatures.mSignatures; 3840 return true; 3841 } 3842 3843 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3844 } else { 3845 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3846 } 3847 3848 if (!pp.collectCertificates(pkg, parseFlags)) { 3849 mLastScanError = pp.getParseError(); 3850 return false; 3851 } 3852 } 3853 return true; 3854 } 3855 3856 /* 3857 * Scan a package and return the newly parsed package. 3858 * Returns null in case of errors and the error code is stored in mLastScanError 3859 */ 3860 private PackageParser.Package scanPackageLI(File scanFile, 3861 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3862 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3863 String scanPath = scanFile.getPath(); 3864 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3865 parseFlags |= mDefParseFlags; 3866 PackageParser pp = new PackageParser(scanPath); 3867 pp.setSeparateProcesses(mSeparateProcesses); 3868 pp.setOnlyCoreApps(mOnlyCore); 3869 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3870 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3871 3872 if (pkg == null) { 3873 mLastScanError = pp.getParseError(); 3874 return null; 3875 } 3876 3877 PackageSetting ps = null; 3878 PackageSetting updatedPkg; 3879 // reader 3880 synchronized (mPackages) { 3881 // Look to see if we already know about this package. 3882 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3883 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3884 // This package has been renamed to its original name. Let's 3885 // use that. 3886 ps = mSettings.peekPackageLPr(oldName); 3887 } 3888 // If there was no original package, see one for the real package name. 3889 if (ps == null) { 3890 ps = mSettings.peekPackageLPr(pkg.packageName); 3891 } 3892 // Check to see if this package could be hiding/updating a system 3893 // package. Must look for it either under the original or real 3894 // package name depending on our state. 3895 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3896 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3897 } 3898 boolean updatedPkgBetter = false; 3899 // First check if this is a system package that may involve an update 3900 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3901 if (ps != null && !ps.codePath.equals(scanFile)) { 3902 // The path has changed from what was last scanned... check the 3903 // version of the new path against what we have stored to determine 3904 // what to do. 3905 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3906 if (pkg.mVersionCode < ps.versionCode) { 3907 // The system package has been updated and the code path does not match 3908 // Ignore entry. Skip it. 3909 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3910 + " ignored: updated version " + ps.versionCode 3911 + " better than this " + pkg.mVersionCode); 3912 if (!updatedPkg.codePath.equals(scanFile)) { 3913 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3914 + ps.name + " changing from " + updatedPkg.codePathString 3915 + " to " + scanFile); 3916 updatedPkg.codePath = scanFile; 3917 updatedPkg.codePathString = scanFile.toString(); 3918 // This is the point at which we know that the system-disk APK 3919 // for this package has moved during a reboot (e.g. due to an OTA), 3920 // so we need to reevaluate it for privilege policy. 3921 if (locationIsPrivileged(scanFile)) { 3922 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3923 } 3924 } 3925 updatedPkg.pkg = pkg; 3926 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3927 return null; 3928 } else { 3929 // The current app on the system partion is better than 3930 // what we have updated to on the data partition; switch 3931 // back to the system partition version. 3932 // At this point, its safely assumed that package installation for 3933 // apps in system partition will go through. If not there won't be a working 3934 // version of the app 3935 // writer 3936 synchronized (mPackages) { 3937 // Just remove the loaded entries from package lists. 3938 mPackages.remove(ps.name); 3939 } 3940 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3941 + "reverting from " + ps.codePathString 3942 + ": new version " + pkg.mVersionCode 3943 + " better than installed " + ps.versionCode); 3944 3945 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3946 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 3947 getAppInstructionSetFromSettings(ps)); 3948 synchronized (mInstallLock) { 3949 args.cleanUpResourcesLI(); 3950 } 3951 synchronized (mPackages) { 3952 mSettings.enableSystemPackageLPw(ps.name); 3953 } 3954 updatedPkgBetter = true; 3955 } 3956 } 3957 } 3958 3959 if (updatedPkg != null) { 3960 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3961 // initially 3962 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3963 3964 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3965 // flag set initially 3966 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3967 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3968 } 3969 } 3970 // Verify certificates against what was last scanned 3971 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3972 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3973 return null; 3974 } 3975 3976 /* 3977 * A new system app appeared, but we already had a non-system one of the 3978 * same name installed earlier. 3979 */ 3980 boolean shouldHideSystemApp = false; 3981 if (updatedPkg == null && ps != null 3982 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3983 /* 3984 * Check to make sure the signatures match first. If they don't, 3985 * wipe the installed application and its data. 3986 */ 3987 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3988 != PackageManager.SIGNATURE_MATCH) { 3989 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3990 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3991 ps = null; 3992 } else { 3993 /* 3994 * If the newly-added system app is an older version than the 3995 * already installed version, hide it. It will be scanned later 3996 * and re-added like an update. 3997 */ 3998 if (pkg.mVersionCode < ps.versionCode) { 3999 shouldHideSystemApp = true; 4000 } else { 4001 /* 4002 * The newly found system app is a newer version that the 4003 * one previously installed. Simply remove the 4004 * already-installed application and replace it with our own 4005 * while keeping the application data. 4006 */ 4007 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4008 + ps.codePathString + ": new version " + pkg.mVersionCode 4009 + " better than installed " + ps.versionCode); 4010 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4011 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4012 getAppInstructionSetFromSettings(ps)); 4013 synchronized (mInstallLock) { 4014 args.cleanUpResourcesLI(); 4015 } 4016 } 4017 } 4018 } 4019 4020 // The apk is forward locked (not public) if its code and resources 4021 // are kept in different files. (except for app in either system or 4022 // vendor path). 4023 // TODO grab this value from PackageSettings 4024 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4025 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4026 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4027 } 4028 } 4029 4030 String codePath = null; 4031 String resPath = null; 4032 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4033 if (ps != null && ps.resourcePathString != null) { 4034 resPath = ps.resourcePathString; 4035 } else { 4036 // Should not happen at all. Just log an error. 4037 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4038 } 4039 } else { 4040 resPath = pkg.mScanPath; 4041 } 4042 4043 codePath = pkg.mScanPath; 4044 // Set application objects path explicitly. 4045 setApplicationInfoPaths(pkg, codePath, resPath); 4046 // Note that we invoke the following method only if we are about to unpack an application 4047 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4048 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4049 4050 /* 4051 * If the system app should be overridden by a previously installed 4052 * data, hide the system app now and let the /data/app scan pick it up 4053 * again. 4054 */ 4055 if (shouldHideSystemApp) { 4056 synchronized (mPackages) { 4057 /* 4058 * We have to grant systems permissions before we hide, because 4059 * grantPermissions will assume the package update is trying to 4060 * expand its permissions. 4061 */ 4062 grantPermissionsLPw(pkg, true); 4063 mSettings.disableSystemPackageLPw(pkg.packageName); 4064 } 4065 } 4066 4067 return scannedPkg; 4068 } 4069 4070 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4071 String destResPath) { 4072 pkg.mPath = pkg.mScanPath = destCodePath; 4073 pkg.applicationInfo.sourceDir = destCodePath; 4074 pkg.applicationInfo.publicSourceDir = destResPath; 4075 } 4076 4077 private static String fixProcessName(String defProcessName, 4078 String processName, int uid) { 4079 if (processName == null) { 4080 return defProcessName; 4081 } 4082 return processName; 4083 } 4084 4085 private boolean verifySignaturesLP(PackageSetting pkgSetting, 4086 PackageParser.Package pkg) { 4087 if (pkgSetting.signatures.mSignatures != null) { 4088 // Already existing package. Make sure signatures match 4089 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 4090 PackageManager.SIGNATURE_MATCH) { 4091 Slog.e(TAG, "Package " + pkg.packageName 4092 + " signatures do not match the previously installed version; ignoring!"); 4093 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4094 return false; 4095 } 4096 } 4097 // Check for shared user signatures 4098 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4099 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4100 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4101 Slog.e(TAG, "Package " + pkg.packageName 4102 + " has no signatures that match those in shared user " 4103 + pkgSetting.sharedUser.name + "; ignoring!"); 4104 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4105 return false; 4106 } 4107 } 4108 return true; 4109 } 4110 4111 /** 4112 * Enforces that only the system UID or root's UID can call a method exposed 4113 * via Binder. 4114 * 4115 * @param message used as message if SecurityException is thrown 4116 * @throws SecurityException if the caller is not system or root 4117 */ 4118 private static final void enforceSystemOrRoot(String message) { 4119 final int uid = Binder.getCallingUid(); 4120 if (uid != Process.SYSTEM_UID && uid != 0) { 4121 throw new SecurityException(message); 4122 } 4123 } 4124 4125 @Override 4126 public void performBootDexOpt() { 4127 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4128 4129 final HashSet<PackageParser.Package> pkgs; 4130 synchronized (mPackages) { 4131 pkgs = mDeferredDexOpt; 4132 mDeferredDexOpt = null; 4133 } 4134 4135 if (pkgs != null) { 4136 // Filter out packages that aren't recently used. 4137 // 4138 // The exception is first boot of a non-eng device, which 4139 // should do a full dexopt. 4140 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4141 if (eng || !isFirstBoot()) { 4142 // TODO: add a property to control this? 4143 long dexOptLRUThresholdInMinutes; 4144 if (eng) { 4145 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4146 } else { 4147 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4148 } 4149 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4150 4151 int total = pkgs.size(); 4152 int skipped = 0; 4153 long now = System.currentTimeMillis(); 4154 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4155 PackageParser.Package pkg = i.next(); 4156 long then = pkg.mLastPackageUsageTimeInMills; 4157 if (then + dexOptLRUThresholdInMills < now) { 4158 if (DEBUG_DEXOPT) { 4159 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4160 ((then == 0) ? "never" : new Date(then))); 4161 } 4162 i.remove(); 4163 skipped++; 4164 } 4165 } 4166 if (DEBUG_DEXOPT) { 4167 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4168 } 4169 } 4170 4171 int i = 0; 4172 for (PackageParser.Package pkg : pkgs) { 4173 i++; 4174 if (DEBUG_DEXOPT) { 4175 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4176 + ": " + pkg.packageName); 4177 } 4178 if (!isFirstBoot()) { 4179 try { 4180 ActivityManagerNative.getDefault().showBootMessage( 4181 mContext.getResources().getString( 4182 R.string.android_upgrading_apk, 4183 i, pkgs.size()), true); 4184 } catch (RemoteException e) { 4185 } 4186 } 4187 PackageParser.Package p = pkg; 4188 synchronized (mInstallLock) { 4189 if (p.mDexOptNeeded) { 4190 performDexOptLI(p, false /* force dex */, false /* defer */, 4191 true /* include dependencies */); 4192 } 4193 } 4194 } 4195 } 4196 } 4197 4198 @Override 4199 public boolean performDexOpt(String packageName) { 4200 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4201 4202 PackageParser.Package p; 4203 synchronized (mPackages) { 4204 p = mPackages.get(packageName); 4205 if (p == null) { 4206 return false; 4207 } 4208 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4209 mPackageUsage.write(); 4210 if (!p.mDexOptNeeded) { 4211 return false; 4212 } 4213 } 4214 4215 synchronized (mInstallLock) { 4216 return performDexOptLI(p, false /* force dex */, false /* defer */, 4217 true /* include dependencies */) == DEX_OPT_PERFORMED; 4218 } 4219 } 4220 4221 public void shutdown() { 4222 mPackageUsage.write(true); 4223 } 4224 4225 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4226 boolean forceDex, boolean defer, HashSet<String> done) { 4227 for (int i=0; i<libs.size(); i++) { 4228 PackageParser.Package libPkg; 4229 String libName; 4230 synchronized (mPackages) { 4231 libName = libs.get(i); 4232 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4233 if (lib != null && lib.apk != null) { 4234 libPkg = mPackages.get(lib.apk); 4235 } else { 4236 libPkg = null; 4237 } 4238 } 4239 if (libPkg != null && !done.contains(libName)) { 4240 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4241 } 4242 } 4243 } 4244 4245 static final int DEX_OPT_SKIPPED = 0; 4246 static final int DEX_OPT_PERFORMED = 1; 4247 static final int DEX_OPT_DEFERRED = 2; 4248 static final int DEX_OPT_FAILED = -1; 4249 4250 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4251 boolean forceDex, boolean defer, HashSet<String> done) { 4252 final String instructionSet = instructionSetOverride != null ? 4253 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4254 4255 if (done != null) { 4256 done.add(pkg.packageName); 4257 if (pkg.usesLibraries != null) { 4258 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4259 } 4260 if (pkg.usesOptionalLibraries != null) { 4261 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4262 } 4263 } 4264 4265 boolean performed = false; 4266 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4267 String path = pkg.mScanPath; 4268 try { 4269 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4270 pkg.packageName, 4271 instructionSet, 4272 defer); 4273 // There are three basic cases here: 4274 // 1.) we need to dexopt, either because we are forced or it is needed 4275 // 2.) we are defering a needed dexopt 4276 // 3.) we are skipping an unneeded dexopt 4277 if (forceDex || (!defer && isDexOptNeededInternal)) { 4278 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4279 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4280 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4281 pkg.packageName, instructionSet); 4282 // Note that we ran dexopt, since rerunning will 4283 // probably just result in an error again. 4284 pkg.mDexOptNeeded = false; 4285 if (ret < 0) { 4286 return DEX_OPT_FAILED; 4287 } 4288 return DEX_OPT_PERFORMED; 4289 } 4290 if (defer && isDexOptNeededInternal) { 4291 if (mDeferredDexOpt == null) { 4292 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4293 } 4294 mDeferredDexOpt.add(pkg); 4295 return DEX_OPT_DEFERRED; 4296 } 4297 pkg.mDexOptNeeded = false; 4298 return DEX_OPT_SKIPPED; 4299 } catch (FileNotFoundException e) { 4300 Slog.w(TAG, "Apk not found for dexopt: " + path); 4301 return DEX_OPT_FAILED; 4302 } catch (IOException e) { 4303 Slog.w(TAG, "IOException reading apk: " + path, e); 4304 return DEX_OPT_FAILED; 4305 } catch (StaleDexCacheError e) { 4306 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4307 return DEX_OPT_FAILED; 4308 } catch (Exception e) { 4309 Slog.w(TAG, "Exception when doing dexopt : ", e); 4310 return DEX_OPT_FAILED; 4311 } 4312 } 4313 return DEX_OPT_SKIPPED; 4314 } 4315 4316 private String getAppInstructionSet(ApplicationInfo info) { 4317 String instructionSet = getPreferredInstructionSet(); 4318 4319 if (info.requiredCpuAbi != null) { 4320 instructionSet = VMRuntime.getInstructionSet(info.requiredCpuAbi); 4321 } 4322 4323 return instructionSet; 4324 } 4325 4326 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4327 String instructionSet = getPreferredInstructionSet(); 4328 4329 if (ps.requiredCpuAbiString != null) { 4330 instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 4331 } 4332 4333 return instructionSet; 4334 } 4335 4336 private static String getPreferredInstructionSet() { 4337 if (sPreferredInstructionSet == null) { 4338 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4339 } 4340 4341 return sPreferredInstructionSet; 4342 } 4343 4344 private static List<String> getAllInstructionSets() { 4345 final String[] allAbis = Build.SUPPORTED_ABIS; 4346 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4347 4348 for (String abi : allAbis) { 4349 final String instructionSet = VMRuntime.getInstructionSet(abi); 4350 if (!allInstructionSets.contains(instructionSet)) { 4351 allInstructionSets.add(instructionSet); 4352 } 4353 } 4354 4355 return allInstructionSets; 4356 } 4357 4358 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4359 boolean inclDependencies) { 4360 HashSet<String> done; 4361 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4362 done = new HashSet<String>(); 4363 done.add(pkg.packageName); 4364 } else { 4365 done = null; 4366 } 4367 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4368 } 4369 4370 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4371 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4372 Slog.w(TAG, "Unable to update from " + oldPkg.name 4373 + " to " + newPkg.packageName 4374 + ": old package not in system partition"); 4375 return false; 4376 } else if (mPackages.get(oldPkg.name) != null) { 4377 Slog.w(TAG, "Unable to update from " + oldPkg.name 4378 + " to " + newPkg.packageName 4379 + ": old package still exists"); 4380 return false; 4381 } 4382 return true; 4383 } 4384 4385 File getDataPathForUser(int userId) { 4386 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4387 } 4388 4389 private File getDataPathForPackage(String packageName, int userId) { 4390 /* 4391 * Until we fully support multiple users, return the directory we 4392 * previously would have. The PackageManagerTests will need to be 4393 * revised when this is changed back.. 4394 */ 4395 if (userId == 0) { 4396 return new File(mAppDataDir, packageName); 4397 } else { 4398 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4399 + File.separator + packageName); 4400 } 4401 } 4402 4403 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4404 int[] users = sUserManager.getUserIds(); 4405 int res = mInstaller.install(packageName, uid, uid, seinfo); 4406 if (res < 0) { 4407 return res; 4408 } 4409 for (int user : users) { 4410 if (user != 0) { 4411 res = mInstaller.createUserData(packageName, 4412 UserHandle.getUid(user, uid), user, seinfo); 4413 if (res < 0) { 4414 return res; 4415 } 4416 } 4417 } 4418 return res; 4419 } 4420 4421 private int removeDataDirsLI(String packageName) { 4422 int[] users = sUserManager.getUserIds(); 4423 int res = 0; 4424 for (int user : users) { 4425 int resInner = mInstaller.remove(packageName, user); 4426 if (resInner < 0) { 4427 res = resInner; 4428 } 4429 } 4430 4431 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4432 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4433 if (!nativeLibraryFile.delete()) { 4434 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4435 } 4436 4437 return res; 4438 } 4439 4440 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4441 PackageParser.Package changingLib) { 4442 if (file.path != null) { 4443 mTmpSharedLibraries[num] = file.path; 4444 return num+1; 4445 } 4446 PackageParser.Package p = mPackages.get(file.apk); 4447 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4448 // If we are doing this while in the middle of updating a library apk, 4449 // then we need to make sure to use that new apk for determining the 4450 // dependencies here. (We haven't yet finished committing the new apk 4451 // to the package manager state.) 4452 if (p == null || p.packageName.equals(changingLib.packageName)) { 4453 p = changingLib; 4454 } 4455 } 4456 if (p != null) { 4457 String path = p.mPath; 4458 for (int i=0; i<num; i++) { 4459 if (mTmpSharedLibraries[i].equals(path)) { 4460 return num; 4461 } 4462 } 4463 mTmpSharedLibraries[num] = p.mPath; 4464 return num+1; 4465 } 4466 return num; 4467 } 4468 4469 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4470 PackageParser.Package changingLib) { 4471 // We might be upgrading from a version of the platform that did not 4472 // provide per-package native library directories for system apps. 4473 // Fix that up here. 4474 if (isSystemApp(pkg)) { 4475 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4476 setInternalAppNativeLibraryPath(pkg, ps); 4477 } 4478 4479 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4480 if (mTmpSharedLibraries == null || 4481 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4482 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4483 } 4484 int num = 0; 4485 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4486 for (int i=0; i<N; i++) { 4487 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4488 if (file == null) { 4489 Slog.e(TAG, "Package " + pkg.packageName 4490 + " requires unavailable shared library " 4491 + pkg.usesLibraries.get(i) + "; failing!"); 4492 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4493 return false; 4494 } 4495 num = addSharedLibraryLPw(file, num, changingLib); 4496 } 4497 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4498 for (int i=0; i<N; i++) { 4499 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4500 if (file == null) { 4501 Slog.w(TAG, "Package " + pkg.packageName 4502 + " desires unavailable shared library " 4503 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4504 } else { 4505 num = addSharedLibraryLPw(file, num, changingLib); 4506 } 4507 } 4508 if (num > 0) { 4509 pkg.usesLibraryFiles = new String[num]; 4510 System.arraycopy(mTmpSharedLibraries, 0, 4511 pkg.usesLibraryFiles, 0, num); 4512 } else { 4513 pkg.usesLibraryFiles = null; 4514 } 4515 } 4516 return true; 4517 } 4518 4519 private static boolean hasString(List<String> list, List<String> which) { 4520 if (list == null) { 4521 return false; 4522 } 4523 for (int i=list.size()-1; i>=0; i--) { 4524 for (int j=which.size()-1; j>=0; j--) { 4525 if (which.get(j).equals(list.get(i))) { 4526 return true; 4527 } 4528 } 4529 } 4530 return false; 4531 } 4532 4533 private void updateAllSharedLibrariesLPw() { 4534 for (PackageParser.Package pkg : mPackages.values()) { 4535 updateSharedLibrariesLPw(pkg, null); 4536 } 4537 } 4538 4539 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4540 PackageParser.Package changingPkg) { 4541 ArrayList<PackageParser.Package> res = null; 4542 for (PackageParser.Package pkg : mPackages.values()) { 4543 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4544 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4545 if (res == null) { 4546 res = new ArrayList<PackageParser.Package>(); 4547 } 4548 res.add(pkg); 4549 updateSharedLibrariesLPw(pkg, changingPkg); 4550 } 4551 } 4552 return res; 4553 } 4554 4555 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4556 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4557 File scanFile = new File(pkg.mScanPath); 4558 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4559 pkg.applicationInfo.publicSourceDir == null) { 4560 // Bail out. The resource and code paths haven't been set. 4561 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4562 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4563 return null; 4564 } 4565 4566 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4567 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4568 } 4569 4570 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4571 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4572 } 4573 4574 if (mCustomResolverComponentName != null && 4575 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4576 setUpCustomResolverActivity(pkg); 4577 } 4578 4579 if (pkg.packageName.equals("android")) { 4580 synchronized (mPackages) { 4581 if (mAndroidApplication != null) { 4582 Slog.w(TAG, "*************************************************"); 4583 Slog.w(TAG, "Core android package being redefined. Skipping."); 4584 Slog.w(TAG, " file=" + scanFile); 4585 Slog.w(TAG, "*************************************************"); 4586 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4587 return null; 4588 } 4589 4590 // Set up information for our fall-back user intent resolution activity. 4591 mPlatformPackage = pkg; 4592 pkg.mVersionCode = mSdkVersion; 4593 mAndroidApplication = pkg.applicationInfo; 4594 4595 if (!mResolverReplaced) { 4596 mResolveActivity.applicationInfo = mAndroidApplication; 4597 mResolveActivity.name = ResolverActivity.class.getName(); 4598 mResolveActivity.packageName = mAndroidApplication.packageName; 4599 mResolveActivity.processName = "system:ui"; 4600 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4601 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4602 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4603 mResolveActivity.exported = true; 4604 mResolveActivity.enabled = true; 4605 mResolveInfo.activityInfo = mResolveActivity; 4606 mResolveInfo.priority = 0; 4607 mResolveInfo.preferredOrder = 0; 4608 mResolveInfo.match = 0; 4609 mResolveComponentName = new ComponentName( 4610 mAndroidApplication.packageName, mResolveActivity.name); 4611 } 4612 } 4613 } 4614 4615 if (DEBUG_PACKAGE_SCANNING) { 4616 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4617 Log.d(TAG, "Scanning package " + pkg.packageName); 4618 } 4619 4620 if (mPackages.containsKey(pkg.packageName) 4621 || mSharedLibraries.containsKey(pkg.packageName)) { 4622 Slog.w(TAG, "Application package " + pkg.packageName 4623 + " already installed. Skipping duplicate."); 4624 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4625 return null; 4626 } 4627 4628 // Initialize package source and resource directories 4629 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4630 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4631 4632 SharedUserSetting suid = null; 4633 PackageSetting pkgSetting = null; 4634 4635 if (!isSystemApp(pkg)) { 4636 // Only system apps can use these features. 4637 pkg.mOriginalPackages = null; 4638 pkg.mRealPackage = null; 4639 pkg.mAdoptPermissions = null; 4640 } 4641 4642 // writer 4643 synchronized (mPackages) { 4644 if (pkg.mSharedUserId != null) { 4645 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4646 if (suid == null) { 4647 Slog.w(TAG, "Creating application package " + pkg.packageName 4648 + " for shared user failed"); 4649 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4650 return null; 4651 } 4652 if (DEBUG_PACKAGE_SCANNING) { 4653 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4654 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4655 + "): packages=" + suid.packages); 4656 } 4657 } 4658 4659 // Check if we are renaming from an original package name. 4660 PackageSetting origPackage = null; 4661 String realName = null; 4662 if (pkg.mOriginalPackages != null) { 4663 // This package may need to be renamed to a previously 4664 // installed name. Let's check on that... 4665 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4666 if (pkg.mOriginalPackages.contains(renamed)) { 4667 // This package had originally been installed as the 4668 // original name, and we have already taken care of 4669 // transitioning to the new one. Just update the new 4670 // one to continue using the old name. 4671 realName = pkg.mRealPackage; 4672 if (!pkg.packageName.equals(renamed)) { 4673 // Callers into this function may have already taken 4674 // care of renaming the package; only do it here if 4675 // it is not already done. 4676 pkg.setPackageName(renamed); 4677 } 4678 4679 } else { 4680 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4681 if ((origPackage = mSettings.peekPackageLPr( 4682 pkg.mOriginalPackages.get(i))) != null) { 4683 // We do have the package already installed under its 4684 // original name... should we use it? 4685 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4686 // New package is not compatible with original. 4687 origPackage = null; 4688 continue; 4689 } else if (origPackage.sharedUser != null) { 4690 // Make sure uid is compatible between packages. 4691 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4692 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4693 + " to " + pkg.packageName + ": old uid " 4694 + origPackage.sharedUser.name 4695 + " differs from " + pkg.mSharedUserId); 4696 origPackage = null; 4697 continue; 4698 } 4699 } else { 4700 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4701 + pkg.packageName + " to old name " + origPackage.name); 4702 } 4703 break; 4704 } 4705 } 4706 } 4707 } 4708 4709 if (mTransferedPackages.contains(pkg.packageName)) { 4710 Slog.w(TAG, "Package " + pkg.packageName 4711 + " was transferred to another, but its .apk remains"); 4712 } 4713 4714 // Just create the setting, don't add it yet. For already existing packages 4715 // the PkgSetting exists already and doesn't have to be created. 4716 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4717 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4718 pkg.applicationInfo.requiredCpuAbi, 4719 pkg.applicationInfo.flags, user, false); 4720 if (pkgSetting == null) { 4721 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4722 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4723 return null; 4724 } 4725 4726 if (pkgSetting.origPackage != null) { 4727 // If we are first transitioning from an original package, 4728 // fix up the new package's name now. We need to do this after 4729 // looking up the package under its new name, so getPackageLP 4730 // can take care of fiddling things correctly. 4731 pkg.setPackageName(origPackage.name); 4732 4733 // File a report about this. 4734 String msg = "New package " + pkgSetting.realName 4735 + " renamed to replace old package " + pkgSetting.name; 4736 reportSettingsProblem(Log.WARN, msg); 4737 4738 // Make a note of it. 4739 mTransferedPackages.add(origPackage.name); 4740 4741 // No longer need to retain this. 4742 pkgSetting.origPackage = null; 4743 } 4744 4745 if (realName != null) { 4746 // Make a note of it. 4747 mTransferedPackages.add(pkg.packageName); 4748 } 4749 4750 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4751 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4752 } 4753 4754 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4755 // Check all shared libraries and map to their actual file path. 4756 // We only do this here for apps not on a system dir, because those 4757 // are the only ones that can fail an install due to this. We 4758 // will take care of the system apps by updating all of their 4759 // library paths after the scan is done. 4760 if (!updateSharedLibrariesLPw(pkg, null)) { 4761 return null; 4762 } 4763 } 4764 4765 if (mFoundPolicyFile) { 4766 SELinuxMMAC.assignSeinfoValue(pkg); 4767 } 4768 4769 pkg.applicationInfo.uid = pkgSetting.appId; 4770 pkg.mExtras = pkgSetting; 4771 4772 if (!verifySignaturesLP(pkgSetting, pkg)) { 4773 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4774 return null; 4775 } 4776 // The signature has changed, but this package is in the system 4777 // image... let's recover! 4778 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4779 // However... if this package is part of a shared user, but it 4780 // doesn't match the signature of the shared user, let's fail. 4781 // What this means is that you can't change the signatures 4782 // associated with an overall shared user, which doesn't seem all 4783 // that unreasonable. 4784 if (pkgSetting.sharedUser != null) { 4785 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4786 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4787 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4788 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4789 return null; 4790 } 4791 } 4792 // File a report about this. 4793 String msg = "System package " + pkg.packageName 4794 + " signature changed; retaining data."; 4795 reportSettingsProblem(Log.WARN, msg); 4796 } 4797 4798 // Verify that this new package doesn't have any content providers 4799 // that conflict with existing packages. Only do this if the 4800 // package isn't already installed, since we don't want to break 4801 // things that are installed. 4802 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4803 final int N = pkg.providers.size(); 4804 int i; 4805 for (i=0; i<N; i++) { 4806 PackageParser.Provider p = pkg.providers.get(i); 4807 if (p.info.authority != null) { 4808 String names[] = p.info.authority.split(";"); 4809 for (int j = 0; j < names.length; j++) { 4810 if (mProvidersByAuthority.containsKey(names[j])) { 4811 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4812 Slog.w(TAG, "Can't install because provider name " + names[j] + 4813 " (in package " + pkg.applicationInfo.packageName + 4814 ") is already used by " 4815 + ((other != null && other.getComponentName() != null) 4816 ? other.getComponentName().getPackageName() : "?")); 4817 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4818 return null; 4819 } 4820 } 4821 } 4822 } 4823 } 4824 4825 if (pkg.mAdoptPermissions != null) { 4826 // This package wants to adopt ownership of permissions from 4827 // another package. 4828 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4829 final String origName = pkg.mAdoptPermissions.get(i); 4830 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4831 if (orig != null) { 4832 if (verifyPackageUpdateLPr(orig, pkg)) { 4833 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4834 + pkg.packageName); 4835 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4836 } 4837 } 4838 } 4839 } 4840 } 4841 4842 final String pkgName = pkg.packageName; 4843 4844 final long scanFileTime = scanFile.lastModified(); 4845 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4846 pkg.applicationInfo.processName = fixProcessName( 4847 pkg.applicationInfo.packageName, 4848 pkg.applicationInfo.processName, 4849 pkg.applicationInfo.uid); 4850 4851 File dataPath; 4852 if (mPlatformPackage == pkg) { 4853 // The system package is special. 4854 dataPath = new File (Environment.getDataDirectory(), "system"); 4855 pkg.applicationInfo.dataDir = dataPath.getPath(); 4856 } else { 4857 // This is a normal package, need to make its data directory. 4858 dataPath = getDataPathForPackage(pkg.packageName, 0); 4859 4860 boolean uidError = false; 4861 4862 if (dataPath.exists()) { 4863 int currentUid = 0; 4864 try { 4865 StructStat stat = Os.stat(dataPath.getPath()); 4866 currentUid = stat.st_uid; 4867 } catch (ErrnoException e) { 4868 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4869 } 4870 4871 // If we have mismatched owners for the data path, we have a problem. 4872 if (currentUid != pkg.applicationInfo.uid) { 4873 boolean recovered = false; 4874 if (currentUid == 0) { 4875 // The directory somehow became owned by root. Wow. 4876 // This is probably because the system was stopped while 4877 // installd was in the middle of messing with its libs 4878 // directory. Ask installd to fix that. 4879 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4880 pkg.applicationInfo.uid); 4881 if (ret >= 0) { 4882 recovered = true; 4883 String msg = "Package " + pkg.packageName 4884 + " unexpectedly changed to uid 0; recovered to " + 4885 + pkg.applicationInfo.uid; 4886 reportSettingsProblem(Log.WARN, msg); 4887 } 4888 } 4889 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4890 || (scanMode&SCAN_BOOTING) != 0)) { 4891 // If this is a system app, we can at least delete its 4892 // current data so the application will still work. 4893 int ret = removeDataDirsLI(pkgName); 4894 if (ret >= 0) { 4895 // TODO: Kill the processes first 4896 // Old data gone! 4897 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4898 ? "System package " : "Third party package "; 4899 String msg = prefix + pkg.packageName 4900 + " has changed from uid: " 4901 + currentUid + " to " 4902 + pkg.applicationInfo.uid + "; old data erased"; 4903 reportSettingsProblem(Log.WARN, msg); 4904 recovered = true; 4905 4906 // And now re-install the app. 4907 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4908 pkg.applicationInfo.seinfo); 4909 if (ret == -1) { 4910 // Ack should not happen! 4911 msg = prefix + pkg.packageName 4912 + " could not have data directory re-created after delete."; 4913 reportSettingsProblem(Log.WARN, msg); 4914 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4915 return null; 4916 } 4917 } 4918 if (!recovered) { 4919 mHasSystemUidErrors = true; 4920 } 4921 } else if (!recovered) { 4922 // If we allow this install to proceed, we will be broken. 4923 // Abort, abort! 4924 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4925 return null; 4926 } 4927 if (!recovered) { 4928 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4929 + pkg.applicationInfo.uid + "/fs_" 4930 + currentUid; 4931 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4932 String msg = "Package " + pkg.packageName 4933 + " has mismatched uid: " 4934 + currentUid + " on disk, " 4935 + pkg.applicationInfo.uid + " in settings"; 4936 // writer 4937 synchronized (mPackages) { 4938 mSettings.mReadMessages.append(msg); 4939 mSettings.mReadMessages.append('\n'); 4940 uidError = true; 4941 if (!pkgSetting.uidError) { 4942 reportSettingsProblem(Log.ERROR, msg); 4943 } 4944 } 4945 } 4946 } 4947 pkg.applicationInfo.dataDir = dataPath.getPath(); 4948 if (mShouldRestoreconData) { 4949 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4950 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4951 pkg.applicationInfo.uid); 4952 } 4953 } else { 4954 if (DEBUG_PACKAGE_SCANNING) { 4955 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4956 Log.v(TAG, "Want this data dir: " + dataPath); 4957 } 4958 //invoke installer to do the actual installation 4959 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4960 pkg.applicationInfo.seinfo); 4961 if (ret < 0) { 4962 // Error from installer 4963 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4964 return null; 4965 } 4966 4967 if (dataPath.exists()) { 4968 pkg.applicationInfo.dataDir = dataPath.getPath(); 4969 } else { 4970 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4971 pkg.applicationInfo.dataDir = null; 4972 } 4973 } 4974 4975 /* 4976 * Set the data dir to the default "/data/data/<package name>/lib" 4977 * if we got here without anyone telling us different (e.g., apps 4978 * stored on SD card have their native libraries stored in the ASEC 4979 * container with the APK). 4980 * 4981 * This happens during an upgrade from a package settings file that 4982 * doesn't have a native library path attribute at all. 4983 */ 4984 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4985 if (pkgSetting.nativeLibraryPathString == null) { 4986 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4987 } else { 4988 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4989 } 4990 } 4991 pkgSetting.uidError = uidError; 4992 } 4993 4994 String path = scanFile.getPath(); 4995 /* Note: We don't want to unpack the native binaries for 4996 * system applications, unless they have been updated 4997 * (the binaries are already under /system/lib). 4998 * Also, don't unpack libs for apps on the external card 4999 * since they should have their libraries in the ASEC 5000 * container already. 5001 * 5002 * In other words, we're going to unpack the binaries 5003 * only for non-system apps and system app upgrades. 5004 */ 5005 if (pkg.applicationInfo.nativeLibraryDir != null) { 5006 try { 5007 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5008 final String dataPathString = dataPath.getCanonicalPath(); 5009 5010 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5011 /* 5012 * Upgrading from a previous version of the OS sometimes 5013 * leaves native libraries in the /data/data/<app>/lib 5014 * directory for system apps even when they shouldn't be. 5015 * Recent changes in the JNI library search path 5016 * necessitates we remove those to match previous behavior. 5017 */ 5018 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5019 Log.i(TAG, "removed obsolete native libraries for system package " 5020 + path); 5021 } 5022 5023 setInternalAppAbi(pkg, pkgSetting); 5024 } else { 5025 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5026 /* 5027 * Update native library dir if it starts with 5028 * /data/data 5029 */ 5030 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5031 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5032 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5033 } 5034 5035 try { 5036 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 5037 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5038 Slog.e(TAG, "Unable to copy native libraries"); 5039 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5040 return null; 5041 } 5042 5043 // We've successfully copied native libraries across, so we make a 5044 // note of what ABI we're using 5045 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5046 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 5047 } else { 5048 pkg.applicationInfo.requiredCpuAbi = null; 5049 } 5050 } catch (IOException e) { 5051 Slog.e(TAG, "Unable to copy native libraries", e); 5052 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5053 return null; 5054 } 5055 } else { 5056 // We don't have to copy the shared libraries if we're in the ASEC container 5057 // but we still need to scan the file to figure out what ABI the app needs. 5058 // 5059 // TODO: This duplicates work done in the default container service. It's possible 5060 // to clean this up but we'll need to change the interface between this service 5061 // and IMediaContainerService (but doing so will spread this logic out, rather 5062 // than centralizing it). 5063 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5064 final int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5065 if (abi >= 0) { 5066 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[abi]; 5067 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5068 // Note that (non upgraded) system apps will not have any native 5069 // libraries bundled in their APK, but we're guaranteed not to be 5070 // such an app at this point. 5071 pkg.applicationInfo.requiredCpuAbi = null; 5072 } else { 5073 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5074 return null; 5075 } 5076 handle.close(); 5077 } 5078 5079 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5080 final int[] userIds = sUserManager.getUserIds(); 5081 synchronized (mInstallLock) { 5082 for (int userId : userIds) { 5083 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5084 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5085 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5086 + ")"); 5087 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5088 return null; 5089 } 5090 } 5091 } 5092 } 5093 } catch (IOException ioe) { 5094 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5095 } 5096 } 5097 pkg.mScanPath = path; 5098 5099 if ((scanMode&SCAN_NO_DEX) == 0) { 5100 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5101 == DEX_OPT_FAILED) { 5102 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5103 removeDataDirsLI(pkg.packageName); 5104 } 5105 5106 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5107 return null; 5108 } 5109 } 5110 5111 if (mFactoryTest && pkg.requestedPermissions.contains( 5112 android.Manifest.permission.FACTORY_TEST)) { 5113 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5114 } 5115 5116 ArrayList<PackageParser.Package> clientLibPkgs = null; 5117 5118 // writer 5119 synchronized (mPackages) { 5120 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5121 // Only system apps can add new shared libraries. 5122 if (pkg.libraryNames != null) { 5123 for (int i=0; i<pkg.libraryNames.size(); i++) { 5124 String name = pkg.libraryNames.get(i); 5125 boolean allowed = false; 5126 if (isUpdatedSystemApp(pkg)) { 5127 // New library entries can only be added through the 5128 // system image. This is important to get rid of a lot 5129 // of nasty edge cases: for example if we allowed a non- 5130 // system update of the app to add a library, then uninstalling 5131 // the update would make the library go away, and assumptions 5132 // we made such as through app install filtering would now 5133 // have allowed apps on the device which aren't compatible 5134 // with it. Better to just have the restriction here, be 5135 // conservative, and create many fewer cases that can negatively 5136 // impact the user experience. 5137 final PackageSetting sysPs = mSettings 5138 .getDisabledSystemPkgLPr(pkg.packageName); 5139 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5140 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5141 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5142 allowed = true; 5143 allowed = true; 5144 break; 5145 } 5146 } 5147 } 5148 } else { 5149 allowed = true; 5150 } 5151 if (allowed) { 5152 if (!mSharedLibraries.containsKey(name)) { 5153 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5154 } else if (!name.equals(pkg.packageName)) { 5155 Slog.w(TAG, "Package " + pkg.packageName + " library " 5156 + name + " already exists; skipping"); 5157 } 5158 } else { 5159 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5160 + name + " that is not declared on system image; skipping"); 5161 } 5162 } 5163 if ((scanMode&SCAN_BOOTING) == 0) { 5164 // If we are not booting, we need to update any applications 5165 // that are clients of our shared library. If we are booting, 5166 // this will all be done once the scan is complete. 5167 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5168 } 5169 } 5170 } 5171 } 5172 5173 // We also need to dexopt any apps that are dependent on this library. Note that 5174 // if these fail, we should abort the install since installing the library will 5175 // result in some apps being broken. 5176 if (clientLibPkgs != null) { 5177 if ((scanMode&SCAN_NO_DEX) == 0) { 5178 for (int i=0; i<clientLibPkgs.size(); i++) { 5179 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5180 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5181 == DEX_OPT_FAILED) { 5182 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5183 removeDataDirsLI(pkg.packageName); 5184 } 5185 5186 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5187 return null; 5188 } 5189 } 5190 } 5191 } 5192 5193 // Request the ActivityManager to kill the process(only for existing packages) 5194 // so that we do not end up in a confused state while the user is still using the older 5195 // version of the application while the new one gets installed. 5196 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5197 // If the package lives in an asec, tell everyone that the container is going 5198 // away so they can clean up any references to its resources (which would prevent 5199 // vold from being able to unmount the asec) 5200 if (isForwardLocked(pkg) || isExternal(pkg)) { 5201 if (DEBUG_INSTALL) { 5202 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5203 } 5204 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5205 final ArrayList<String> pkgList = new ArrayList<String>(1); 5206 pkgList.add(pkg.applicationInfo.packageName); 5207 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5208 } 5209 5210 // Post the request that it be killed now that the going-away broadcast is en route 5211 killApplication(pkg.applicationInfo.packageName, 5212 pkg.applicationInfo.uid, "update pkg"); 5213 } 5214 5215 // Also need to kill any apps that are dependent on the library. 5216 if (clientLibPkgs != null) { 5217 for (int i=0; i<clientLibPkgs.size(); i++) { 5218 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5219 killApplication(clientPkg.applicationInfo.packageName, 5220 clientPkg.applicationInfo.uid, "update lib"); 5221 } 5222 } 5223 5224 // writer 5225 synchronized (mPackages) { 5226 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5227 // We don't do this here during boot because we can do it all 5228 // at once after scanning all existing packages. 5229 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5230 true, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5231 } 5232 // We don't expect installation to fail beyond this point, 5233 if ((scanMode&SCAN_MONITOR) != 0) { 5234 mAppDirs.put(pkg.mPath, pkg); 5235 } 5236 // Add the new setting to mSettings 5237 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5238 // Add the new setting to mPackages 5239 mPackages.put(pkg.applicationInfo.packageName, pkg); 5240 // Make sure we don't accidentally delete its data. 5241 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5242 while (iter.hasNext()) { 5243 PackageCleanItem item = iter.next(); 5244 if (pkgName.equals(item.packageName)) { 5245 iter.remove(); 5246 } 5247 } 5248 5249 // Take care of first install / last update times. 5250 if (currentTime != 0) { 5251 if (pkgSetting.firstInstallTime == 0) { 5252 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5253 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5254 pkgSetting.lastUpdateTime = currentTime; 5255 } 5256 } else if (pkgSetting.firstInstallTime == 0) { 5257 // We need *something*. Take time time stamp of the file. 5258 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5259 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5260 if (scanFileTime != pkgSetting.timeStamp) { 5261 // A package on the system image has changed; consider this 5262 // to be an update. 5263 pkgSetting.lastUpdateTime = scanFileTime; 5264 } 5265 } 5266 5267 // Add the package's KeySets to the global KeySetManager 5268 KeySetManager ksm = mSettings.mKeySetManager; 5269 try { 5270 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5271 if (pkg.mKeySetMapping != null) { 5272 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5273 if (entry.getValue() != null) { 5274 ksm.addDefinedKeySetToPackage(pkg.packageName, 5275 entry.getValue(), entry.getKey()); 5276 } 5277 } 5278 } 5279 } catch (NullPointerException e) { 5280 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5281 } catch (IllegalArgumentException e) { 5282 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5283 } 5284 5285 int N = pkg.providers.size(); 5286 StringBuilder r = null; 5287 int i; 5288 for (i=0; i<N; i++) { 5289 PackageParser.Provider p = pkg.providers.get(i); 5290 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5291 p.info.processName, pkg.applicationInfo.uid); 5292 mProviders.addProvider(p); 5293 p.syncable = p.info.isSyncable; 5294 if (p.info.authority != null) { 5295 String names[] = p.info.authority.split(";"); 5296 p.info.authority = null; 5297 for (int j = 0; j < names.length; j++) { 5298 if (j == 1 && p.syncable) { 5299 // We only want the first authority for a provider to possibly be 5300 // syncable, so if we already added this provider using a different 5301 // authority clear the syncable flag. We copy the provider before 5302 // changing it because the mProviders object contains a reference 5303 // to a provider that we don't want to change. 5304 // Only do this for the second authority since the resulting provider 5305 // object can be the same for all future authorities for this provider. 5306 p = new PackageParser.Provider(p); 5307 p.syncable = false; 5308 } 5309 if (!mProvidersByAuthority.containsKey(names[j])) { 5310 mProvidersByAuthority.put(names[j], p); 5311 if (p.info.authority == null) { 5312 p.info.authority = names[j]; 5313 } else { 5314 p.info.authority = p.info.authority + ";" + names[j]; 5315 } 5316 if (DEBUG_PACKAGE_SCANNING) { 5317 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5318 Log.d(TAG, "Registered content provider: " + names[j] 5319 + ", className = " + p.info.name + ", isSyncable = " 5320 + p.info.isSyncable); 5321 } 5322 } else { 5323 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5324 Slog.w(TAG, "Skipping provider name " + names[j] + 5325 " (in package " + pkg.applicationInfo.packageName + 5326 "): name already used by " 5327 + ((other != null && other.getComponentName() != null) 5328 ? other.getComponentName().getPackageName() : "?")); 5329 } 5330 } 5331 } 5332 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5333 if (r == null) { 5334 r = new StringBuilder(256); 5335 } else { 5336 r.append(' '); 5337 } 5338 r.append(p.info.name); 5339 } 5340 } 5341 if (r != null) { 5342 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5343 } 5344 5345 N = pkg.services.size(); 5346 r = null; 5347 for (i=0; i<N; i++) { 5348 PackageParser.Service s = pkg.services.get(i); 5349 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5350 s.info.processName, pkg.applicationInfo.uid); 5351 mServices.addService(s); 5352 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5353 if (r == null) { 5354 r = new StringBuilder(256); 5355 } else { 5356 r.append(' '); 5357 } 5358 r.append(s.info.name); 5359 } 5360 } 5361 if (r != null) { 5362 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5363 } 5364 5365 N = pkg.receivers.size(); 5366 r = null; 5367 for (i=0; i<N; i++) { 5368 PackageParser.Activity a = pkg.receivers.get(i); 5369 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5370 a.info.processName, pkg.applicationInfo.uid); 5371 mReceivers.addActivity(a, "receiver"); 5372 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5373 if (r == null) { 5374 r = new StringBuilder(256); 5375 } else { 5376 r.append(' '); 5377 } 5378 r.append(a.info.name); 5379 } 5380 } 5381 if (r != null) { 5382 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5383 } 5384 5385 N = pkg.activities.size(); 5386 r = null; 5387 for (i=0; i<N; i++) { 5388 PackageParser.Activity a = pkg.activities.get(i); 5389 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5390 a.info.processName, pkg.applicationInfo.uid); 5391 mActivities.addActivity(a, "activity"); 5392 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5393 if (r == null) { 5394 r = new StringBuilder(256); 5395 } else { 5396 r.append(' '); 5397 } 5398 r.append(a.info.name); 5399 } 5400 } 5401 if (r != null) { 5402 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5403 } 5404 5405 N = pkg.permissionGroups.size(); 5406 r = null; 5407 for (i=0; i<N; i++) { 5408 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5409 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5410 if (cur == null) { 5411 mPermissionGroups.put(pg.info.name, pg); 5412 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5413 if (r == null) { 5414 r = new StringBuilder(256); 5415 } else { 5416 r.append(' '); 5417 } 5418 r.append(pg.info.name); 5419 } 5420 } else { 5421 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5422 + pg.info.packageName + " ignored: original from " 5423 + cur.info.packageName); 5424 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5425 if (r == null) { 5426 r = new StringBuilder(256); 5427 } else { 5428 r.append(' '); 5429 } 5430 r.append("DUP:"); 5431 r.append(pg.info.name); 5432 } 5433 } 5434 } 5435 if (r != null) { 5436 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5437 } 5438 5439 N = pkg.permissions.size(); 5440 r = null; 5441 for (i=0; i<N; i++) { 5442 PackageParser.Permission p = pkg.permissions.get(i); 5443 HashMap<String, BasePermission> permissionMap = 5444 p.tree ? mSettings.mPermissionTrees 5445 : mSettings.mPermissions; 5446 p.group = mPermissionGroups.get(p.info.group); 5447 if (p.info.group == null || p.group != null) { 5448 BasePermission bp = permissionMap.get(p.info.name); 5449 if (bp == null) { 5450 bp = new BasePermission(p.info.name, p.info.packageName, 5451 BasePermission.TYPE_NORMAL); 5452 permissionMap.put(p.info.name, bp); 5453 } 5454 if (bp.perm == null) { 5455 if (bp.sourcePackage != null 5456 && !bp.sourcePackage.equals(p.info.packageName)) { 5457 // If this is a permission that was formerly defined by a non-system 5458 // app, but is now defined by a system app (following an upgrade), 5459 // discard the previous declaration and consider the system's to be 5460 // canonical. 5461 if (isSystemApp(p.owner)) { 5462 Slog.i(TAG, "New decl " + p.owner + " of permission " 5463 + p.info.name + " is system"); 5464 bp.sourcePackage = null; 5465 } 5466 } 5467 if (bp.sourcePackage == null 5468 || bp.sourcePackage.equals(p.info.packageName)) { 5469 BasePermission tree = findPermissionTreeLP(p.info.name); 5470 if (tree == null 5471 || tree.sourcePackage.equals(p.info.packageName)) { 5472 bp.packageSetting = pkgSetting; 5473 bp.perm = p; 5474 bp.uid = pkg.applicationInfo.uid; 5475 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5476 if (r == null) { 5477 r = new StringBuilder(256); 5478 } else { 5479 r.append(' '); 5480 } 5481 r.append(p.info.name); 5482 } 5483 } else { 5484 Slog.w(TAG, "Permission " + p.info.name + " from package " 5485 + p.info.packageName + " ignored: base tree " 5486 + tree.name + " is from package " 5487 + tree.sourcePackage); 5488 } 5489 } else { 5490 Slog.w(TAG, "Permission " + p.info.name + " from package " 5491 + p.info.packageName + " ignored: original from " 5492 + bp.sourcePackage); 5493 } 5494 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5495 if (r == null) { 5496 r = new StringBuilder(256); 5497 } else { 5498 r.append(' '); 5499 } 5500 r.append("DUP:"); 5501 r.append(p.info.name); 5502 } 5503 if (bp.perm == p) { 5504 bp.protectionLevel = p.info.protectionLevel; 5505 } 5506 } else { 5507 Slog.w(TAG, "Permission " + p.info.name + " from package " 5508 + p.info.packageName + " ignored: no group " 5509 + p.group); 5510 } 5511 } 5512 if (r != null) { 5513 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5514 } 5515 5516 N = pkg.instrumentation.size(); 5517 r = null; 5518 for (i=0; i<N; i++) { 5519 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5520 a.info.packageName = pkg.applicationInfo.packageName; 5521 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5522 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5523 a.info.dataDir = pkg.applicationInfo.dataDir; 5524 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5525 mInstrumentation.put(a.getComponentName(), a); 5526 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5527 if (r == null) { 5528 r = new StringBuilder(256); 5529 } else { 5530 r.append(' '); 5531 } 5532 r.append(a.info.name); 5533 } 5534 } 5535 if (r != null) { 5536 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5537 } 5538 5539 if (pkg.protectedBroadcasts != null) { 5540 N = pkg.protectedBroadcasts.size(); 5541 for (i=0; i<N; i++) { 5542 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5543 } 5544 } 5545 5546 pkgSetting.setTimeStamp(scanFileTime); 5547 5548 // Create idmap files for pairs of (packages, overlay packages). 5549 // Note: "android", ie framework-res.apk, is handled by native layers. 5550 if (pkg.mOverlayTarget != null) { 5551 // This is an overlay package. 5552 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5553 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5554 mOverlays.put(pkg.mOverlayTarget, 5555 new HashMap<String, PackageParser.Package>()); 5556 } 5557 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5558 map.put(pkg.packageName, pkg); 5559 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5560 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5561 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5562 return null; 5563 } 5564 } 5565 } else if (mOverlays.containsKey(pkg.packageName) && 5566 !pkg.packageName.equals("android")) { 5567 // This is a regular package, with one or more known overlay packages. 5568 createIdmapsForPackageLI(pkg); 5569 } 5570 } 5571 5572 return pkg; 5573 } 5574 5575 public void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5576 boolean doDexOpt, boolean forceDexOpt, boolean deferDexOpt) { 5577 String requiredInstructionSet = null; 5578 PackageSetting requirer = null; 5579 for (PackageSetting ps : packagesForUser) { 5580 if (ps.requiredCpuAbiString != null) { 5581 final String instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 5582 if (requiredInstructionSet != null) { 5583 if (!instructionSet.equals(requiredInstructionSet)) { 5584 // We have a mismatch between instruction sets (say arm vs arm64). 5585 // 5586 // TODO: We should rescan all the packages in a shared UID to check if 5587 // they do contain shared libs for other ABIs in addition to the ones we've 5588 // already extracted. For example, the package might contain both arm64-v8a 5589 // and armeabi-v7a shared libs, and we'd have chosen arm64-v8a on 64 bit 5590 // devices. 5591 String errorMessage = "Instruction set mismatch, " + requirer.pkg.packageName 5592 + " requires " + requiredInstructionSet + " whereas " + ps.pkg.packageName 5593 + " requires " + instructionSet; 5594 Slog.e(TAG, errorMessage); 5595 5596 reportSettingsProblem(Log.WARN, errorMessage); 5597 // Give up, don't bother making any other changes to the package settings. 5598 return; 5599 } 5600 } else { 5601 requiredInstructionSet = instructionSet; 5602 requirer = ps; 5603 } 5604 } 5605 } 5606 5607 if (requiredInstructionSet != null) { 5608 for (PackageSetting ps : packagesForUser) { 5609 if (ps.requiredCpuAbiString == null) { 5610 ps.requiredCpuAbiString = requirer.requiredCpuAbiString; 5611 if (ps.pkg != null) { 5612 ps.pkg.applicationInfo.requiredCpuAbi = requirer.requiredCpuAbiString; 5613 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + ps.requiredCpuAbiString); 5614 if (doDexOpt) { 5615 performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true); 5616 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 5617 } 5618 } 5619 } 5620 } 5621 } 5622 } 5623 5624 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5625 synchronized (mPackages) { 5626 mResolverReplaced = true; 5627 // Set up information for custom user intent resolution activity. 5628 mResolveActivity.applicationInfo = pkg.applicationInfo; 5629 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5630 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5631 mResolveActivity.processName = null; 5632 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5633 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5634 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5635 mResolveActivity.theme = 0; 5636 mResolveActivity.exported = true; 5637 mResolveActivity.enabled = true; 5638 mResolveInfo.activityInfo = mResolveActivity; 5639 mResolveInfo.priority = 0; 5640 mResolveInfo.preferredOrder = 0; 5641 mResolveInfo.match = 0; 5642 mResolveComponentName = mCustomResolverComponentName; 5643 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5644 mResolveComponentName); 5645 } 5646 } 5647 5648 private String calculateApkRoot(final String codePathString) { 5649 final File codePath = new File(codePathString); 5650 final File codeRoot; 5651 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5652 codeRoot = Environment.getRootDirectory(); 5653 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5654 codeRoot = Environment.getOemDirectory(); 5655 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5656 codeRoot = Environment.getVendorDirectory(); 5657 } else { 5658 // Unrecognized code path; take its top real segment as the apk root: 5659 // e.g. /something/app/blah.apk => /something 5660 try { 5661 File f = codePath.getCanonicalFile(); 5662 File parent = f.getParentFile(); // non-null because codePath is a file 5663 File tmp; 5664 while ((tmp = parent.getParentFile()) != null) { 5665 f = parent; 5666 parent = tmp; 5667 } 5668 codeRoot = f; 5669 Slog.w(TAG, "Unrecognized code path " 5670 + codePath + " - using " + codeRoot); 5671 } catch (IOException e) { 5672 // Can't canonicalize the lib path -- shenanigans? 5673 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5674 return Environment.getRootDirectory().getPath(); 5675 } 5676 } 5677 return codeRoot.getPath(); 5678 } 5679 5680 // This is the initial scan-time determination of how to handle a given 5681 // package for purposes of native library location. 5682 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5683 PackageSetting pkgSetting) { 5684 // "bundled" here means system-installed with no overriding update 5685 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5686 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5687 final File libDir; 5688 if (bundledApk) { 5689 // If "/system/lib64/apkname" exists, assume that is the per-package 5690 // native library directory to use; otherwise use "/system/lib/apkname". 5691 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5692 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5693 File packLib64 = new File(lib64, apkName); 5694 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5695 } else { 5696 libDir = mAppLibInstallDir; 5697 } 5698 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5699 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5700 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5701 } 5702 5703 // Deduces the required ABI of an upgraded system app. 5704 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 5705 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5706 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5707 5708 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 5709 // or similar. 5710 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 5711 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 5712 5713 // Assume that the bundled native libraries always correspond to the 5714 // most preferred 32 or 64 bit ABI. 5715 if (lib64.exists()) { 5716 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 5717 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 5718 } else if (lib.exists()) { 5719 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5720 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 5721 } else { 5722 // This is the case where the app has no native code. 5723 pkg.applicationInfo.requiredCpuAbi = null; 5724 pkgSetting.requiredCpuAbiString = null; 5725 } 5726 } 5727 5728 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5729 throws IOException { 5730 if (!nativeLibraryDir.isDirectory()) { 5731 nativeLibraryDir.delete(); 5732 5733 if (!nativeLibraryDir.mkdir()) { 5734 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5735 } 5736 5737 try { 5738 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5739 } catch (ErrnoException e) { 5740 throw new IOException("Cannot chmod native library directory " 5741 + nativeLibraryDir.getPath(), e); 5742 } 5743 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5744 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5745 } 5746 5747 /* 5748 * If this is an internal application or our nativeLibraryPath points to 5749 * the app-lib directory, unpack the libraries if necessary. 5750 */ 5751 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5752 try { 5753 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5754 if (abi >= 0) { 5755 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5756 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5757 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5758 return copyRet; 5759 } 5760 } 5761 5762 return abi; 5763 } finally { 5764 handle.close(); 5765 } 5766 } 5767 5768 private void killApplication(String pkgName, int appId, String reason) { 5769 // Request the ActivityManager to kill the process(only for existing packages) 5770 // so that we do not end up in a confused state while the user is still using the older 5771 // version of the application while the new one gets installed. 5772 IActivityManager am = ActivityManagerNative.getDefault(); 5773 if (am != null) { 5774 try { 5775 am.killApplicationWithAppId(pkgName, appId, reason); 5776 } catch (RemoteException e) { 5777 } 5778 } 5779 } 5780 5781 void removePackageLI(PackageSetting ps, boolean chatty) { 5782 if (DEBUG_INSTALL) { 5783 if (chatty) 5784 Log.d(TAG, "Removing package " + ps.name); 5785 } 5786 5787 // writer 5788 synchronized (mPackages) { 5789 mPackages.remove(ps.name); 5790 if (ps.codePathString != null) { 5791 mAppDirs.remove(ps.codePathString); 5792 } 5793 5794 final PackageParser.Package pkg = ps.pkg; 5795 if (pkg != null) { 5796 cleanPackageDataStructuresLILPw(pkg, chatty); 5797 } 5798 } 5799 } 5800 5801 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5802 if (DEBUG_INSTALL) { 5803 if (chatty) 5804 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5805 } 5806 5807 // writer 5808 synchronized (mPackages) { 5809 mPackages.remove(pkg.applicationInfo.packageName); 5810 if (pkg.mPath != null) { 5811 mAppDirs.remove(pkg.mPath); 5812 } 5813 cleanPackageDataStructuresLILPw(pkg, chatty); 5814 } 5815 } 5816 5817 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5818 int N = pkg.providers.size(); 5819 StringBuilder r = null; 5820 int i; 5821 for (i=0; i<N; i++) { 5822 PackageParser.Provider p = pkg.providers.get(i); 5823 mProviders.removeProvider(p); 5824 if (p.info.authority == null) { 5825 5826 /* There was another ContentProvider with this authority when 5827 * this app was installed so this authority is null, 5828 * Ignore it as we don't have to unregister the provider. 5829 */ 5830 continue; 5831 } 5832 String names[] = p.info.authority.split(";"); 5833 for (int j = 0; j < names.length; j++) { 5834 if (mProvidersByAuthority.get(names[j]) == p) { 5835 mProvidersByAuthority.remove(names[j]); 5836 if (DEBUG_REMOVE) { 5837 if (chatty) 5838 Log.d(TAG, "Unregistered content provider: " + names[j] 5839 + ", className = " + p.info.name + ", isSyncable = " 5840 + p.info.isSyncable); 5841 } 5842 } 5843 } 5844 if (DEBUG_REMOVE && chatty) { 5845 if (r == null) { 5846 r = new StringBuilder(256); 5847 } else { 5848 r.append(' '); 5849 } 5850 r.append(p.info.name); 5851 } 5852 } 5853 if (r != null) { 5854 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5855 } 5856 5857 N = pkg.services.size(); 5858 r = null; 5859 for (i=0; i<N; i++) { 5860 PackageParser.Service s = pkg.services.get(i); 5861 mServices.removeService(s); 5862 if (chatty) { 5863 if (r == null) { 5864 r = new StringBuilder(256); 5865 } else { 5866 r.append(' '); 5867 } 5868 r.append(s.info.name); 5869 } 5870 } 5871 if (r != null) { 5872 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5873 } 5874 5875 N = pkg.receivers.size(); 5876 r = null; 5877 for (i=0; i<N; i++) { 5878 PackageParser.Activity a = pkg.receivers.get(i); 5879 mReceivers.removeActivity(a, "receiver"); 5880 if (DEBUG_REMOVE && chatty) { 5881 if (r == null) { 5882 r = new StringBuilder(256); 5883 } else { 5884 r.append(' '); 5885 } 5886 r.append(a.info.name); 5887 } 5888 } 5889 if (r != null) { 5890 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5891 } 5892 5893 N = pkg.activities.size(); 5894 r = null; 5895 for (i=0; i<N; i++) { 5896 PackageParser.Activity a = pkg.activities.get(i); 5897 mActivities.removeActivity(a, "activity"); 5898 if (DEBUG_REMOVE && chatty) { 5899 if (r == null) { 5900 r = new StringBuilder(256); 5901 } else { 5902 r.append(' '); 5903 } 5904 r.append(a.info.name); 5905 } 5906 } 5907 if (r != null) { 5908 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5909 } 5910 5911 N = pkg.permissions.size(); 5912 r = null; 5913 for (i=0; i<N; i++) { 5914 PackageParser.Permission p = pkg.permissions.get(i); 5915 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5916 if (bp == null) { 5917 bp = mSettings.mPermissionTrees.get(p.info.name); 5918 } 5919 if (bp != null && bp.perm == p) { 5920 bp.perm = null; 5921 if (DEBUG_REMOVE && chatty) { 5922 if (r == null) { 5923 r = new StringBuilder(256); 5924 } else { 5925 r.append(' '); 5926 } 5927 r.append(p.info.name); 5928 } 5929 } 5930 } 5931 if (r != null) { 5932 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5933 } 5934 5935 N = pkg.instrumentation.size(); 5936 r = null; 5937 for (i=0; i<N; i++) { 5938 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5939 mInstrumentation.remove(a.getComponentName()); 5940 if (DEBUG_REMOVE && chatty) { 5941 if (r == null) { 5942 r = new StringBuilder(256); 5943 } else { 5944 r.append(' '); 5945 } 5946 r.append(a.info.name); 5947 } 5948 } 5949 if (r != null) { 5950 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5951 } 5952 5953 r = null; 5954 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5955 // Only system apps can hold shared libraries. 5956 if (pkg.libraryNames != null) { 5957 for (i=0; i<pkg.libraryNames.size(); i++) { 5958 String name = pkg.libraryNames.get(i); 5959 SharedLibraryEntry cur = mSharedLibraries.get(name); 5960 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5961 mSharedLibraries.remove(name); 5962 if (DEBUG_REMOVE && chatty) { 5963 if (r == null) { 5964 r = new StringBuilder(256); 5965 } else { 5966 r.append(' '); 5967 } 5968 r.append(name); 5969 } 5970 } 5971 } 5972 } 5973 } 5974 if (r != null) { 5975 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5976 } 5977 } 5978 5979 private static final boolean isPackageFilename(String name) { 5980 return name != null && name.endsWith(".apk"); 5981 } 5982 5983 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5984 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5985 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5986 return true; 5987 } 5988 } 5989 return false; 5990 } 5991 5992 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5993 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5994 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5995 5996 private void updatePermissionsLPw(String changingPkg, 5997 PackageParser.Package pkgInfo, int flags) { 5998 // Make sure there are no dangling permission trees. 5999 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6000 while (it.hasNext()) { 6001 final BasePermission bp = it.next(); 6002 if (bp.packageSetting == null) { 6003 // We may not yet have parsed the package, so just see if 6004 // we still know about its settings. 6005 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6006 } 6007 if (bp.packageSetting == null) { 6008 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6009 + " from package " + bp.sourcePackage); 6010 it.remove(); 6011 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6012 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6013 Slog.i(TAG, "Removing old permission tree: " + bp.name 6014 + " from package " + bp.sourcePackage); 6015 flags |= UPDATE_PERMISSIONS_ALL; 6016 it.remove(); 6017 } 6018 } 6019 } 6020 6021 // Make sure all dynamic permissions have been assigned to a package, 6022 // and make sure there are no dangling permissions. 6023 it = mSettings.mPermissions.values().iterator(); 6024 while (it.hasNext()) { 6025 final BasePermission bp = it.next(); 6026 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6027 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6028 + bp.name + " pkg=" + bp.sourcePackage 6029 + " info=" + bp.pendingInfo); 6030 if (bp.packageSetting == null && bp.pendingInfo != null) { 6031 final BasePermission tree = findPermissionTreeLP(bp.name); 6032 if (tree != null && tree.perm != null) { 6033 bp.packageSetting = tree.packageSetting; 6034 bp.perm = new PackageParser.Permission(tree.perm.owner, 6035 new PermissionInfo(bp.pendingInfo)); 6036 bp.perm.info.packageName = tree.perm.info.packageName; 6037 bp.perm.info.name = bp.name; 6038 bp.uid = tree.uid; 6039 } 6040 } 6041 } 6042 if (bp.packageSetting == null) { 6043 // We may not yet have parsed the package, so just see if 6044 // we still know about its settings. 6045 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6046 } 6047 if (bp.packageSetting == null) { 6048 Slog.w(TAG, "Removing dangling permission: " + bp.name 6049 + " from package " + bp.sourcePackage); 6050 it.remove(); 6051 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6052 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6053 Slog.i(TAG, "Removing old permission: " + bp.name 6054 + " from package " + bp.sourcePackage); 6055 flags |= UPDATE_PERMISSIONS_ALL; 6056 it.remove(); 6057 } 6058 } 6059 } 6060 6061 // Now update the permissions for all packages, in particular 6062 // replace the granted permissions of the system packages. 6063 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6064 for (PackageParser.Package pkg : mPackages.values()) { 6065 if (pkg != pkgInfo) { 6066 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6067 } 6068 } 6069 } 6070 6071 if (pkgInfo != null) { 6072 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6073 } 6074 } 6075 6076 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6077 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6078 if (ps == null) { 6079 return; 6080 } 6081 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6082 HashSet<String> origPermissions = gp.grantedPermissions; 6083 boolean changedPermission = false; 6084 6085 if (replace) { 6086 ps.permissionsFixed = false; 6087 if (gp == ps) { 6088 origPermissions = new HashSet<String>(gp.grantedPermissions); 6089 gp.grantedPermissions.clear(); 6090 gp.gids = mGlobalGids; 6091 } 6092 } 6093 6094 if (gp.gids == null) { 6095 gp.gids = mGlobalGids; 6096 } 6097 6098 final int N = pkg.requestedPermissions.size(); 6099 for (int i=0; i<N; i++) { 6100 final String name = pkg.requestedPermissions.get(i); 6101 final boolean required = pkg.requestedPermissionsRequired.get(i); 6102 final BasePermission bp = mSettings.mPermissions.get(name); 6103 if (DEBUG_INSTALL) { 6104 if (gp != ps) { 6105 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6106 } 6107 } 6108 6109 if (bp == null || bp.packageSetting == null) { 6110 Slog.w(TAG, "Unknown permission " + name 6111 + " in package " + pkg.packageName); 6112 continue; 6113 } 6114 6115 final String perm = bp.name; 6116 boolean allowed; 6117 boolean allowedSig = false; 6118 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6119 if (level == PermissionInfo.PROTECTION_NORMAL 6120 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6121 // We grant a normal or dangerous permission if any of the following 6122 // are true: 6123 // 1) The permission is required 6124 // 2) The permission is optional, but was granted in the past 6125 // 3) The permission is optional, but was requested by an 6126 // app in /system (not /data) 6127 // 6128 // Otherwise, reject the permission. 6129 allowed = (required || origPermissions.contains(perm) 6130 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6131 } else if (bp.packageSetting == null) { 6132 // This permission is invalid; skip it. 6133 allowed = false; 6134 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6135 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6136 if (allowed) { 6137 allowedSig = true; 6138 } 6139 } else { 6140 allowed = false; 6141 } 6142 if (DEBUG_INSTALL) { 6143 if (gp != ps) { 6144 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6145 } 6146 } 6147 if (allowed) { 6148 if (!isSystemApp(ps) && ps.permissionsFixed) { 6149 // If this is an existing, non-system package, then 6150 // we can't add any new permissions to it. 6151 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6152 // Except... if this is a permission that was added 6153 // to the platform (note: need to only do this when 6154 // updating the platform). 6155 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6156 } 6157 } 6158 if (allowed) { 6159 if (!gp.grantedPermissions.contains(perm)) { 6160 changedPermission = true; 6161 gp.grantedPermissions.add(perm); 6162 gp.gids = appendInts(gp.gids, bp.gids); 6163 } else if (!ps.haveGids) { 6164 gp.gids = appendInts(gp.gids, bp.gids); 6165 } 6166 } else { 6167 Slog.w(TAG, "Not granting permission " + perm 6168 + " to package " + pkg.packageName 6169 + " because it was previously installed without"); 6170 } 6171 } else { 6172 if (gp.grantedPermissions.remove(perm)) { 6173 changedPermission = true; 6174 gp.gids = removeInts(gp.gids, bp.gids); 6175 Slog.i(TAG, "Un-granting permission " + perm 6176 + " from package " + pkg.packageName 6177 + " (protectionLevel=" + bp.protectionLevel 6178 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6179 + ")"); 6180 } else { 6181 Slog.w(TAG, "Not granting permission " + perm 6182 + " to package " + pkg.packageName 6183 + " (protectionLevel=" + bp.protectionLevel 6184 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6185 + ")"); 6186 } 6187 } 6188 } 6189 6190 if ((changedPermission || replace) && !ps.permissionsFixed && 6191 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6192 // This is the first that we have heard about this package, so the 6193 // permissions we have now selected are fixed until explicitly 6194 // changed. 6195 ps.permissionsFixed = true; 6196 } 6197 ps.haveGids = true; 6198 } 6199 6200 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6201 boolean allowed = false; 6202 final int NP = PackageParser.NEW_PERMISSIONS.length; 6203 for (int ip=0; ip<NP; ip++) { 6204 final PackageParser.NewPermissionInfo npi 6205 = PackageParser.NEW_PERMISSIONS[ip]; 6206 if (npi.name.equals(perm) 6207 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6208 allowed = true; 6209 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6210 + pkg.packageName); 6211 break; 6212 } 6213 } 6214 return allowed; 6215 } 6216 6217 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6218 BasePermission bp, HashSet<String> origPermissions) { 6219 boolean allowed; 6220 allowed = (compareSignatures( 6221 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6222 == PackageManager.SIGNATURE_MATCH) 6223 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6224 == PackageManager.SIGNATURE_MATCH); 6225 if (!allowed && (bp.protectionLevel 6226 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6227 if (isSystemApp(pkg)) { 6228 // For updated system applications, a system permission 6229 // is granted only if it had been defined by the original application. 6230 if (isUpdatedSystemApp(pkg)) { 6231 final PackageSetting sysPs = mSettings 6232 .getDisabledSystemPkgLPr(pkg.packageName); 6233 final GrantedPermissions origGp = sysPs.sharedUser != null 6234 ? sysPs.sharedUser : sysPs; 6235 6236 if (origGp.grantedPermissions.contains(perm)) { 6237 // If the original was granted this permission, we take 6238 // that grant decision as read and propagate it to the 6239 // update. 6240 allowed = true; 6241 } else { 6242 // The system apk may have been updated with an older 6243 // version of the one on the data partition, but which 6244 // granted a new system permission that it didn't have 6245 // before. In this case we do want to allow the app to 6246 // now get the new permission if the ancestral apk is 6247 // privileged to get it. 6248 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6249 for (int j=0; 6250 j<sysPs.pkg.requestedPermissions.size(); j++) { 6251 if (perm.equals( 6252 sysPs.pkg.requestedPermissions.get(j))) { 6253 allowed = true; 6254 break; 6255 } 6256 } 6257 } 6258 } 6259 } else { 6260 allowed = isPrivilegedApp(pkg); 6261 } 6262 } 6263 } 6264 if (!allowed && (bp.protectionLevel 6265 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6266 // For development permissions, a development permission 6267 // is granted only if it was already granted. 6268 allowed = origPermissions.contains(perm); 6269 } 6270 return allowed; 6271 } 6272 6273 final class ActivityIntentResolver 6274 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6275 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6276 boolean defaultOnly, int userId) { 6277 if (!sUserManager.exists(userId)) return null; 6278 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6279 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6280 } 6281 6282 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6283 int userId) { 6284 if (!sUserManager.exists(userId)) return null; 6285 mFlags = flags; 6286 return super.queryIntent(intent, resolvedType, 6287 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6288 } 6289 6290 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6291 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6292 if (!sUserManager.exists(userId)) return null; 6293 if (packageActivities == null) { 6294 return null; 6295 } 6296 mFlags = flags; 6297 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6298 final int N = packageActivities.size(); 6299 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6300 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6301 6302 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6303 for (int i = 0; i < N; ++i) { 6304 intentFilters = packageActivities.get(i).intents; 6305 if (intentFilters != null && intentFilters.size() > 0) { 6306 PackageParser.ActivityIntentInfo[] array = 6307 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6308 intentFilters.toArray(array); 6309 listCut.add(array); 6310 } 6311 } 6312 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6313 } 6314 6315 public final void addActivity(PackageParser.Activity a, String type) { 6316 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6317 mActivities.put(a.getComponentName(), a); 6318 if (DEBUG_SHOW_INFO) 6319 Log.v( 6320 TAG, " " + type + " " + 6321 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6322 if (DEBUG_SHOW_INFO) 6323 Log.v(TAG, " Class=" + a.info.name); 6324 final int NI = a.intents.size(); 6325 for (int j=0; j<NI; j++) { 6326 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6327 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6328 intent.setPriority(0); 6329 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6330 + a.className + " with priority > 0, forcing to 0"); 6331 } 6332 if (DEBUG_SHOW_INFO) { 6333 Log.v(TAG, " IntentFilter:"); 6334 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6335 } 6336 if (!intent.debugCheck()) { 6337 Log.w(TAG, "==> For Activity " + a.info.name); 6338 } 6339 addFilter(intent); 6340 } 6341 } 6342 6343 public final void removeActivity(PackageParser.Activity a, String type) { 6344 mActivities.remove(a.getComponentName()); 6345 if (DEBUG_SHOW_INFO) { 6346 Log.v(TAG, " " + type + " " 6347 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6348 : a.info.name) + ":"); 6349 Log.v(TAG, " Class=" + a.info.name); 6350 } 6351 final int NI = a.intents.size(); 6352 for (int j=0; j<NI; j++) { 6353 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6354 if (DEBUG_SHOW_INFO) { 6355 Log.v(TAG, " IntentFilter:"); 6356 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6357 } 6358 removeFilter(intent); 6359 } 6360 } 6361 6362 @Override 6363 protected boolean allowFilterResult( 6364 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6365 ActivityInfo filterAi = filter.activity.info; 6366 for (int i=dest.size()-1; i>=0; i--) { 6367 ActivityInfo destAi = dest.get(i).activityInfo; 6368 if (destAi.name == filterAi.name 6369 && destAi.packageName == filterAi.packageName) { 6370 return false; 6371 } 6372 } 6373 return true; 6374 } 6375 6376 @Override 6377 protected ActivityIntentInfo[] newArray(int size) { 6378 return new ActivityIntentInfo[size]; 6379 } 6380 6381 @Override 6382 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6383 if (!sUserManager.exists(userId)) return true; 6384 PackageParser.Package p = filter.activity.owner; 6385 if (p != null) { 6386 PackageSetting ps = (PackageSetting)p.mExtras; 6387 if (ps != null) { 6388 // System apps are never considered stopped for purposes of 6389 // filtering, because there may be no way for the user to 6390 // actually re-launch them. 6391 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6392 && ps.getStopped(userId); 6393 } 6394 } 6395 return false; 6396 } 6397 6398 @Override 6399 protected boolean isPackageForFilter(String packageName, 6400 PackageParser.ActivityIntentInfo info) { 6401 return packageName.equals(info.activity.owner.packageName); 6402 } 6403 6404 @Override 6405 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6406 int match, int userId) { 6407 if (!sUserManager.exists(userId)) return null; 6408 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6409 return null; 6410 } 6411 final PackageParser.Activity activity = info.activity; 6412 if (mSafeMode && (activity.info.applicationInfo.flags 6413 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6414 return null; 6415 } 6416 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6417 if (ps == null) { 6418 return null; 6419 } 6420 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6421 ps.readUserState(userId), userId); 6422 if (ai == null) { 6423 return null; 6424 } 6425 final ResolveInfo res = new ResolveInfo(); 6426 res.activityInfo = ai; 6427 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6428 res.filter = info; 6429 } 6430 res.priority = info.getPriority(); 6431 res.preferredOrder = activity.owner.mPreferredOrder; 6432 //System.out.println("Result: " + res.activityInfo.className + 6433 // " = " + res.priority); 6434 res.match = match; 6435 res.isDefault = info.hasDefault; 6436 res.labelRes = info.labelRes; 6437 res.nonLocalizedLabel = info.nonLocalizedLabel; 6438 res.icon = info.icon; 6439 res.system = isSystemApp(res.activityInfo.applicationInfo); 6440 return res; 6441 } 6442 6443 @Override 6444 protected void sortResults(List<ResolveInfo> results) { 6445 Collections.sort(results, mResolvePrioritySorter); 6446 } 6447 6448 @Override 6449 protected void dumpFilter(PrintWriter out, String prefix, 6450 PackageParser.ActivityIntentInfo filter) { 6451 out.print(prefix); out.print( 6452 Integer.toHexString(System.identityHashCode(filter.activity))); 6453 out.print(' '); 6454 filter.activity.printComponentShortName(out); 6455 out.print(" filter "); 6456 out.println(Integer.toHexString(System.identityHashCode(filter))); 6457 } 6458 6459// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6460// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6461// final List<ResolveInfo> retList = Lists.newArrayList(); 6462// while (i.hasNext()) { 6463// final ResolveInfo resolveInfo = i.next(); 6464// if (isEnabledLP(resolveInfo.activityInfo)) { 6465// retList.add(resolveInfo); 6466// } 6467// } 6468// return retList; 6469// } 6470 6471 // Keys are String (activity class name), values are Activity. 6472 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6473 = new HashMap<ComponentName, PackageParser.Activity>(); 6474 private int mFlags; 6475 } 6476 6477 private final class ServiceIntentResolver 6478 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6479 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6480 boolean defaultOnly, int userId) { 6481 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6482 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6483 } 6484 6485 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6486 int userId) { 6487 if (!sUserManager.exists(userId)) return null; 6488 mFlags = flags; 6489 return super.queryIntent(intent, resolvedType, 6490 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6491 } 6492 6493 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6494 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6495 if (!sUserManager.exists(userId)) return null; 6496 if (packageServices == null) { 6497 return null; 6498 } 6499 mFlags = flags; 6500 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6501 final int N = packageServices.size(); 6502 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6503 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6504 6505 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6506 for (int i = 0; i < N; ++i) { 6507 intentFilters = packageServices.get(i).intents; 6508 if (intentFilters != null && intentFilters.size() > 0) { 6509 PackageParser.ServiceIntentInfo[] array = 6510 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6511 intentFilters.toArray(array); 6512 listCut.add(array); 6513 } 6514 } 6515 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6516 } 6517 6518 public final void addService(PackageParser.Service s) { 6519 mServices.put(s.getComponentName(), s); 6520 if (DEBUG_SHOW_INFO) { 6521 Log.v(TAG, " " 6522 + (s.info.nonLocalizedLabel != null 6523 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6524 Log.v(TAG, " Class=" + s.info.name); 6525 } 6526 final int NI = s.intents.size(); 6527 int j; 6528 for (j=0; j<NI; j++) { 6529 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6530 if (DEBUG_SHOW_INFO) { 6531 Log.v(TAG, " IntentFilter:"); 6532 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6533 } 6534 if (!intent.debugCheck()) { 6535 Log.w(TAG, "==> For Service " + s.info.name); 6536 } 6537 addFilter(intent); 6538 } 6539 } 6540 6541 public final void removeService(PackageParser.Service s) { 6542 mServices.remove(s.getComponentName()); 6543 if (DEBUG_SHOW_INFO) { 6544 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6545 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6546 Log.v(TAG, " Class=" + s.info.name); 6547 } 6548 final int NI = s.intents.size(); 6549 int j; 6550 for (j=0; j<NI; j++) { 6551 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6552 if (DEBUG_SHOW_INFO) { 6553 Log.v(TAG, " IntentFilter:"); 6554 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6555 } 6556 removeFilter(intent); 6557 } 6558 } 6559 6560 @Override 6561 protected boolean allowFilterResult( 6562 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6563 ServiceInfo filterSi = filter.service.info; 6564 for (int i=dest.size()-1; i>=0; i--) { 6565 ServiceInfo destAi = dest.get(i).serviceInfo; 6566 if (destAi.name == filterSi.name 6567 && destAi.packageName == filterSi.packageName) { 6568 return false; 6569 } 6570 } 6571 return true; 6572 } 6573 6574 @Override 6575 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6576 return new PackageParser.ServiceIntentInfo[size]; 6577 } 6578 6579 @Override 6580 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6581 if (!sUserManager.exists(userId)) return true; 6582 PackageParser.Package p = filter.service.owner; 6583 if (p != null) { 6584 PackageSetting ps = (PackageSetting)p.mExtras; 6585 if (ps != null) { 6586 // System apps are never considered stopped for purposes of 6587 // filtering, because there may be no way for the user to 6588 // actually re-launch them. 6589 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6590 && ps.getStopped(userId); 6591 } 6592 } 6593 return false; 6594 } 6595 6596 @Override 6597 protected boolean isPackageForFilter(String packageName, 6598 PackageParser.ServiceIntentInfo info) { 6599 return packageName.equals(info.service.owner.packageName); 6600 } 6601 6602 @Override 6603 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6604 int match, int userId) { 6605 if (!sUserManager.exists(userId)) return null; 6606 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6607 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6608 return null; 6609 } 6610 final PackageParser.Service service = info.service; 6611 if (mSafeMode && (service.info.applicationInfo.flags 6612 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6613 return null; 6614 } 6615 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6616 if (ps == null) { 6617 return null; 6618 } 6619 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6620 ps.readUserState(userId), userId); 6621 if (si == null) { 6622 return null; 6623 } 6624 final ResolveInfo res = new ResolveInfo(); 6625 res.serviceInfo = si; 6626 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6627 res.filter = filter; 6628 } 6629 res.priority = info.getPriority(); 6630 res.preferredOrder = service.owner.mPreferredOrder; 6631 //System.out.println("Result: " + res.activityInfo.className + 6632 // " = " + res.priority); 6633 res.match = match; 6634 res.isDefault = info.hasDefault; 6635 res.labelRes = info.labelRes; 6636 res.nonLocalizedLabel = info.nonLocalizedLabel; 6637 res.icon = info.icon; 6638 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6639 return res; 6640 } 6641 6642 @Override 6643 protected void sortResults(List<ResolveInfo> results) { 6644 Collections.sort(results, mResolvePrioritySorter); 6645 } 6646 6647 @Override 6648 protected void dumpFilter(PrintWriter out, String prefix, 6649 PackageParser.ServiceIntentInfo filter) { 6650 out.print(prefix); out.print( 6651 Integer.toHexString(System.identityHashCode(filter.service))); 6652 out.print(' '); 6653 filter.service.printComponentShortName(out); 6654 out.print(" filter "); 6655 out.println(Integer.toHexString(System.identityHashCode(filter))); 6656 } 6657 6658// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6659// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6660// final List<ResolveInfo> retList = Lists.newArrayList(); 6661// while (i.hasNext()) { 6662// final ResolveInfo resolveInfo = (ResolveInfo) i; 6663// if (isEnabledLP(resolveInfo.serviceInfo)) { 6664// retList.add(resolveInfo); 6665// } 6666// } 6667// return retList; 6668// } 6669 6670 // Keys are String (activity class name), values are Activity. 6671 private final HashMap<ComponentName, PackageParser.Service> mServices 6672 = new HashMap<ComponentName, PackageParser.Service>(); 6673 private int mFlags; 6674 }; 6675 6676 private final class ProviderIntentResolver 6677 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6678 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6679 boolean defaultOnly, int userId) { 6680 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6681 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6682 } 6683 6684 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6685 int userId) { 6686 if (!sUserManager.exists(userId)) 6687 return null; 6688 mFlags = flags; 6689 return super.queryIntent(intent, resolvedType, 6690 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6691 } 6692 6693 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6694 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6695 if (!sUserManager.exists(userId)) 6696 return null; 6697 if (packageProviders == null) { 6698 return null; 6699 } 6700 mFlags = flags; 6701 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6702 final int N = packageProviders.size(); 6703 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6704 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6705 6706 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6707 for (int i = 0; i < N; ++i) { 6708 intentFilters = packageProviders.get(i).intents; 6709 if (intentFilters != null && intentFilters.size() > 0) { 6710 PackageParser.ProviderIntentInfo[] array = 6711 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6712 intentFilters.toArray(array); 6713 listCut.add(array); 6714 } 6715 } 6716 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6717 } 6718 6719 public final void addProvider(PackageParser.Provider p) { 6720 mProviders.put(p.getComponentName(), p); 6721 if (DEBUG_SHOW_INFO) { 6722 Log.v(TAG, " " 6723 + (p.info.nonLocalizedLabel != null 6724 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6725 Log.v(TAG, " Class=" + p.info.name); 6726 } 6727 final int NI = p.intents.size(); 6728 int j; 6729 for (j = 0; j < NI; j++) { 6730 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6731 if (DEBUG_SHOW_INFO) { 6732 Log.v(TAG, " IntentFilter:"); 6733 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6734 } 6735 if (!intent.debugCheck()) { 6736 Log.w(TAG, "==> For Provider " + p.info.name); 6737 } 6738 addFilter(intent); 6739 } 6740 } 6741 6742 public final void removeProvider(PackageParser.Provider p) { 6743 mProviders.remove(p.getComponentName()); 6744 if (DEBUG_SHOW_INFO) { 6745 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6746 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6747 Log.v(TAG, " Class=" + p.info.name); 6748 } 6749 final int NI = p.intents.size(); 6750 int j; 6751 for (j = 0; j < NI; j++) { 6752 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6753 if (DEBUG_SHOW_INFO) { 6754 Log.v(TAG, " IntentFilter:"); 6755 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6756 } 6757 removeFilter(intent); 6758 } 6759 } 6760 6761 @Override 6762 protected boolean allowFilterResult( 6763 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6764 ProviderInfo filterPi = filter.provider.info; 6765 for (int i = dest.size() - 1; i >= 0; i--) { 6766 ProviderInfo destPi = dest.get(i).providerInfo; 6767 if (destPi.name == filterPi.name 6768 && destPi.packageName == filterPi.packageName) { 6769 return false; 6770 } 6771 } 6772 return true; 6773 } 6774 6775 @Override 6776 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6777 return new PackageParser.ProviderIntentInfo[size]; 6778 } 6779 6780 @Override 6781 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6782 if (!sUserManager.exists(userId)) 6783 return true; 6784 PackageParser.Package p = filter.provider.owner; 6785 if (p != null) { 6786 PackageSetting ps = (PackageSetting) p.mExtras; 6787 if (ps != null) { 6788 // System apps are never considered stopped for purposes of 6789 // filtering, because there may be no way for the user to 6790 // actually re-launch them. 6791 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6792 && ps.getStopped(userId); 6793 } 6794 } 6795 return false; 6796 } 6797 6798 @Override 6799 protected boolean isPackageForFilter(String packageName, 6800 PackageParser.ProviderIntentInfo info) { 6801 return packageName.equals(info.provider.owner.packageName); 6802 } 6803 6804 @Override 6805 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6806 int match, int userId) { 6807 if (!sUserManager.exists(userId)) 6808 return null; 6809 final PackageParser.ProviderIntentInfo info = filter; 6810 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6811 return null; 6812 } 6813 final PackageParser.Provider provider = info.provider; 6814 if (mSafeMode && (provider.info.applicationInfo.flags 6815 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6816 return null; 6817 } 6818 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6819 if (ps == null) { 6820 return null; 6821 } 6822 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6823 ps.readUserState(userId), userId); 6824 if (pi == null) { 6825 return null; 6826 } 6827 final ResolveInfo res = new ResolveInfo(); 6828 res.providerInfo = pi; 6829 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6830 res.filter = filter; 6831 } 6832 res.priority = info.getPriority(); 6833 res.preferredOrder = provider.owner.mPreferredOrder; 6834 res.match = match; 6835 res.isDefault = info.hasDefault; 6836 res.labelRes = info.labelRes; 6837 res.nonLocalizedLabel = info.nonLocalizedLabel; 6838 res.icon = info.icon; 6839 res.system = isSystemApp(res.providerInfo.applicationInfo); 6840 return res; 6841 } 6842 6843 @Override 6844 protected void sortResults(List<ResolveInfo> results) { 6845 Collections.sort(results, mResolvePrioritySorter); 6846 } 6847 6848 @Override 6849 protected void dumpFilter(PrintWriter out, String prefix, 6850 PackageParser.ProviderIntentInfo filter) { 6851 out.print(prefix); 6852 out.print( 6853 Integer.toHexString(System.identityHashCode(filter.provider))); 6854 out.print(' '); 6855 filter.provider.printComponentShortName(out); 6856 out.print(" filter "); 6857 out.println(Integer.toHexString(System.identityHashCode(filter))); 6858 } 6859 6860 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6861 = new HashMap<ComponentName, PackageParser.Provider>(); 6862 private int mFlags; 6863 }; 6864 6865 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6866 new Comparator<ResolveInfo>() { 6867 public int compare(ResolveInfo r1, ResolveInfo r2) { 6868 int v1 = r1.priority; 6869 int v2 = r2.priority; 6870 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6871 if (v1 != v2) { 6872 return (v1 > v2) ? -1 : 1; 6873 } 6874 v1 = r1.preferredOrder; 6875 v2 = r2.preferredOrder; 6876 if (v1 != v2) { 6877 return (v1 > v2) ? -1 : 1; 6878 } 6879 if (r1.isDefault != r2.isDefault) { 6880 return r1.isDefault ? -1 : 1; 6881 } 6882 v1 = r1.match; 6883 v2 = r2.match; 6884 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6885 if (v1 != v2) { 6886 return (v1 > v2) ? -1 : 1; 6887 } 6888 if (r1.system != r2.system) { 6889 return r1.system ? -1 : 1; 6890 } 6891 return 0; 6892 } 6893 }; 6894 6895 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6896 new Comparator<ProviderInfo>() { 6897 public int compare(ProviderInfo p1, ProviderInfo p2) { 6898 final int v1 = p1.initOrder; 6899 final int v2 = p2.initOrder; 6900 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6901 } 6902 }; 6903 6904 static final void sendPackageBroadcast(String action, String pkg, 6905 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6906 int[] userIds) { 6907 IActivityManager am = ActivityManagerNative.getDefault(); 6908 if (am != null) { 6909 try { 6910 if (userIds == null) { 6911 userIds = am.getRunningUserIds(); 6912 } 6913 for (int id : userIds) { 6914 final Intent intent = new Intent(action, 6915 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6916 if (extras != null) { 6917 intent.putExtras(extras); 6918 } 6919 if (targetPkg != null) { 6920 intent.setPackage(targetPkg); 6921 } 6922 // Modify the UID when posting to other users 6923 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6924 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6925 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6926 intent.putExtra(Intent.EXTRA_UID, uid); 6927 } 6928 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6929 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6930 if (DEBUG_BROADCASTS) { 6931 RuntimeException here = new RuntimeException("here"); 6932 here.fillInStackTrace(); 6933 Slog.d(TAG, "Sending to user " + id + ": " 6934 + intent.toShortString(false, true, false, false) 6935 + " " + intent.getExtras(), here); 6936 } 6937 am.broadcastIntent(null, intent, null, finishedReceiver, 6938 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6939 finishedReceiver != null, false, id); 6940 } 6941 } catch (RemoteException ex) { 6942 } 6943 } 6944 } 6945 6946 /** 6947 * Check if the external storage media is available. This is true if there 6948 * is a mounted external storage medium or if the external storage is 6949 * emulated. 6950 */ 6951 private boolean isExternalMediaAvailable() { 6952 return mMediaMounted || Environment.isExternalStorageEmulated(); 6953 } 6954 6955 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6956 // writer 6957 synchronized (mPackages) { 6958 if (!isExternalMediaAvailable()) { 6959 // If the external storage is no longer mounted at this point, 6960 // the caller may not have been able to delete all of this 6961 // packages files and can not delete any more. Bail. 6962 return null; 6963 } 6964 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6965 if (lastPackage != null) { 6966 pkgs.remove(lastPackage); 6967 } 6968 if (pkgs.size() > 0) { 6969 return pkgs.get(0); 6970 } 6971 } 6972 return null; 6973 } 6974 6975 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6976 if (false) { 6977 RuntimeException here = new RuntimeException("here"); 6978 here.fillInStackTrace(); 6979 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6980 + " andCode=" + andCode, here); 6981 } 6982 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6983 userId, andCode ? 1 : 0, packageName)); 6984 } 6985 6986 void startCleaningPackages() { 6987 // reader 6988 synchronized (mPackages) { 6989 if (!isExternalMediaAvailable()) { 6990 return; 6991 } 6992 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6993 return; 6994 } 6995 } 6996 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6997 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6998 IActivityManager am = ActivityManagerNative.getDefault(); 6999 if (am != null) { 7000 try { 7001 am.startService(null, intent, null, UserHandle.USER_OWNER); 7002 } catch (RemoteException e) { 7003 } 7004 } 7005 } 7006 7007 private final class AppDirObserver extends FileObserver { 7008 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7009 super(path, mask); 7010 mRootDir = path; 7011 mIsRom = isrom; 7012 mIsPrivileged = isPrivileged; 7013 } 7014 7015 public void onEvent(int event, String path) { 7016 String removedPackage = null; 7017 int removedAppId = -1; 7018 int[] removedUsers = null; 7019 String addedPackage = null; 7020 int addedAppId = -1; 7021 int[] addedUsers = null; 7022 7023 // TODO post a message to the handler to obtain serial ordering 7024 synchronized (mInstallLock) { 7025 String fullPathStr = null; 7026 File fullPath = null; 7027 if (path != null) { 7028 fullPath = new File(mRootDir, path); 7029 fullPathStr = fullPath.getPath(); 7030 } 7031 7032 if (DEBUG_APP_DIR_OBSERVER) 7033 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7034 7035 if (!isPackageFilename(path)) { 7036 if (DEBUG_APP_DIR_OBSERVER) 7037 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7038 return; 7039 } 7040 7041 // Ignore packages that are being installed or 7042 // have just been installed. 7043 if (ignoreCodePath(fullPathStr)) { 7044 return; 7045 } 7046 PackageParser.Package p = null; 7047 PackageSetting ps = null; 7048 // reader 7049 synchronized (mPackages) { 7050 p = mAppDirs.get(fullPathStr); 7051 if (p != null) { 7052 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7053 if (ps != null) { 7054 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7055 } else { 7056 removedUsers = sUserManager.getUserIds(); 7057 } 7058 } 7059 addedUsers = sUserManager.getUserIds(); 7060 } 7061 if ((event&REMOVE_EVENTS) != 0) { 7062 if (ps != null) { 7063 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7064 removePackageLI(ps, true); 7065 removedPackage = ps.name; 7066 removedAppId = ps.appId; 7067 } 7068 } 7069 7070 if ((event&ADD_EVENTS) != 0) { 7071 if (p == null) { 7072 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7073 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7074 if (mIsRom) { 7075 flags |= PackageParser.PARSE_IS_SYSTEM 7076 | PackageParser.PARSE_IS_SYSTEM_DIR; 7077 if (mIsPrivileged) { 7078 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7079 } 7080 } 7081 p = scanPackageLI(fullPath, flags, 7082 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7083 System.currentTimeMillis(), UserHandle.ALL); 7084 if (p != null) { 7085 /* 7086 * TODO this seems dangerous as the package may have 7087 * changed since we last acquired the mPackages 7088 * lock. 7089 */ 7090 // writer 7091 synchronized (mPackages) { 7092 updatePermissionsLPw(p.packageName, p, 7093 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7094 } 7095 addedPackage = p.applicationInfo.packageName; 7096 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7097 } 7098 } 7099 } 7100 7101 // reader 7102 synchronized (mPackages) { 7103 mSettings.writeLPr(); 7104 } 7105 } 7106 7107 if (removedPackage != null) { 7108 Bundle extras = new Bundle(1); 7109 extras.putInt(Intent.EXTRA_UID, removedAppId); 7110 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7111 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7112 extras, null, null, removedUsers); 7113 } 7114 if (addedPackage != null) { 7115 Bundle extras = new Bundle(1); 7116 extras.putInt(Intent.EXTRA_UID, addedAppId); 7117 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7118 extras, null, null, addedUsers); 7119 } 7120 } 7121 7122 private final String mRootDir; 7123 private final boolean mIsRom; 7124 private final boolean mIsPrivileged; 7125 } 7126 7127 /* Called when a downloaded package installation has been confirmed by the user */ 7128 public void installPackage( 7129 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7130 installPackage(packageURI, observer, flags, null); 7131 } 7132 7133 /* Called when a downloaded package installation has been confirmed by the user */ 7134 public void installPackage( 7135 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7136 final String installerPackageName) { 7137 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 7138 null, null); 7139 } 7140 7141 @Override 7142 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7143 int flags, String installerPackageName, Uri verificationURI, 7144 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7145 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7146 VerificationParams.NO_UID, manifestDigest); 7147 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 7148 installerPackageName, verificationParams, encryptionParams); 7149 } 7150 7151 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7152 IPackageInstallObserver observer, int flags, String installerPackageName, 7153 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7154 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7155 null); 7156 7157 final int uid = Binder.getCallingUid(); 7158 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7159 try { 7160 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7161 } catch (RemoteException re) { 7162 } 7163 return; 7164 } 7165 7166 UserHandle user; 7167 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7168 user = UserHandle.ALL; 7169 } else { 7170 user = new UserHandle(UserHandle.getUserId(uid)); 7171 } 7172 7173 final int filteredFlags; 7174 7175 if (uid == Process.SHELL_UID || uid == 0) { 7176 if (DEBUG_INSTALL) { 7177 Slog.v(TAG, "Install from ADB"); 7178 } 7179 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7180 } else { 7181 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7182 } 7183 7184 verificationParams.setInstallerUid(uid); 7185 7186 final Message msg = mHandler.obtainMessage(INIT_COPY); 7187 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 7188 verificationParams, encryptionParams, user); 7189 mHandler.sendMessage(msg); 7190 } 7191 7192 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7193 Bundle extras = new Bundle(1); 7194 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7195 7196 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7197 packageName, extras, null, null, new int[] {userId}); 7198 try { 7199 IActivityManager am = ActivityManagerNative.getDefault(); 7200 final boolean isSystem = 7201 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7202 if (isSystem && am.isUserRunning(userId, false)) { 7203 // The just-installed/enabled app is bundled on the system, so presumed 7204 // to be able to run automatically without needing an explicit launch. 7205 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7206 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7207 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7208 .setPackage(packageName); 7209 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7210 android.app.AppOpsManager.OP_NONE, false, false, userId); 7211 } 7212 } catch (RemoteException e) { 7213 // shouldn't happen 7214 Slog.w(TAG, "Unable to bootstrap installed package", e); 7215 } 7216 } 7217 7218 @Override 7219 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7220 int userId) { 7221 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7222 PackageSetting pkgSetting; 7223 final int uid = Binder.getCallingUid(); 7224 if (UserHandle.getUserId(uid) != userId) { 7225 mContext.enforceCallingOrSelfPermission( 7226 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7227 "setApplicationBlockedSetting for user " + userId); 7228 } 7229 7230 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7231 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7232 return false; 7233 } 7234 7235 long callingId = Binder.clearCallingIdentity(); 7236 try { 7237 boolean sendAdded = false; 7238 boolean sendRemoved = false; 7239 // writer 7240 synchronized (mPackages) { 7241 pkgSetting = mSettings.mPackages.get(packageName); 7242 if (pkgSetting == null) { 7243 return false; 7244 } 7245 if (pkgSetting.getBlocked(userId) != blocked) { 7246 pkgSetting.setBlocked(blocked, userId); 7247 mSettings.writePackageRestrictionsLPr(userId); 7248 if (blocked) { 7249 sendRemoved = true; 7250 } else { 7251 sendAdded = true; 7252 } 7253 } 7254 } 7255 if (sendAdded) { 7256 sendPackageAddedForUser(packageName, pkgSetting, userId); 7257 return true; 7258 } 7259 if (sendRemoved) { 7260 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7261 "blocking pkg"); 7262 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7263 } 7264 } finally { 7265 Binder.restoreCallingIdentity(callingId); 7266 } 7267 return false; 7268 } 7269 7270 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7271 int userId) { 7272 final PackageRemovedInfo info = new PackageRemovedInfo(); 7273 info.removedPackage = packageName; 7274 info.removedUsers = new int[] {userId}; 7275 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7276 info.sendBroadcast(false, false, false); 7277 } 7278 7279 /** 7280 * Returns true if application is not found or there was an error. Otherwise it returns 7281 * the blocked state of the package for the given user. 7282 */ 7283 @Override 7284 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7285 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7286 PackageSetting pkgSetting; 7287 final int uid = Binder.getCallingUid(); 7288 if (UserHandle.getUserId(uid) != userId) { 7289 mContext.enforceCallingPermission( 7290 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7291 "getApplicationBlocked for user " + userId); 7292 } 7293 long callingId = Binder.clearCallingIdentity(); 7294 try { 7295 // writer 7296 synchronized (mPackages) { 7297 pkgSetting = mSettings.mPackages.get(packageName); 7298 if (pkgSetting == null) { 7299 return true; 7300 } 7301 return pkgSetting.getBlocked(userId); 7302 } 7303 } finally { 7304 Binder.restoreCallingIdentity(callingId); 7305 } 7306 } 7307 7308 /** 7309 * @hide 7310 */ 7311 @Override 7312 public int installExistingPackageAsUser(String packageName, int userId) { 7313 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7314 null); 7315 PackageSetting pkgSetting; 7316 final int uid = Binder.getCallingUid(); 7317 if (UserHandle.getUserId(uid) != userId) { 7318 mContext.enforceCallingPermission( 7319 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7320 "installExistingPackage for user " + userId); 7321 } 7322 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7323 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7324 } 7325 7326 long callingId = Binder.clearCallingIdentity(); 7327 try { 7328 boolean sendAdded = false; 7329 Bundle extras = new Bundle(1); 7330 7331 // writer 7332 synchronized (mPackages) { 7333 pkgSetting = mSettings.mPackages.get(packageName); 7334 if (pkgSetting == null) { 7335 return PackageManager.INSTALL_FAILED_INVALID_URI; 7336 } 7337 if (!pkgSetting.getInstalled(userId)) { 7338 pkgSetting.setInstalled(true, userId); 7339 pkgSetting.setBlocked(false, userId); 7340 mSettings.writePackageRestrictionsLPr(userId); 7341 sendAdded = true; 7342 } 7343 } 7344 7345 if (sendAdded) { 7346 sendPackageAddedForUser(packageName, pkgSetting, userId); 7347 } 7348 } finally { 7349 Binder.restoreCallingIdentity(callingId); 7350 } 7351 7352 return PackageManager.INSTALL_SUCCEEDED; 7353 } 7354 7355 private boolean isUserRestricted(int userId, String restrictionKey) { 7356 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7357 if (restrictions.getBoolean(restrictionKey, false)) { 7358 Log.w(TAG, "User is restricted: " + restrictionKey); 7359 return true; 7360 } 7361 return false; 7362 } 7363 7364 @Override 7365 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7366 mContext.enforceCallingOrSelfPermission( 7367 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7368 "Only package verification agents can verify applications"); 7369 7370 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7371 final PackageVerificationResponse response = new PackageVerificationResponse( 7372 verificationCode, Binder.getCallingUid()); 7373 msg.arg1 = id; 7374 msg.obj = response; 7375 mHandler.sendMessage(msg); 7376 } 7377 7378 @Override 7379 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7380 long millisecondsToDelay) { 7381 mContext.enforceCallingOrSelfPermission( 7382 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7383 "Only package verification agents can extend verification timeouts"); 7384 7385 final PackageVerificationState state = mPendingVerification.get(id); 7386 final PackageVerificationResponse response = new PackageVerificationResponse( 7387 verificationCodeAtTimeout, Binder.getCallingUid()); 7388 7389 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7390 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7391 } 7392 if (millisecondsToDelay < 0) { 7393 millisecondsToDelay = 0; 7394 } 7395 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7396 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7397 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7398 } 7399 7400 if ((state != null) && !state.timeoutExtended()) { 7401 state.extendTimeout(); 7402 7403 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7404 msg.arg1 = id; 7405 msg.obj = response; 7406 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7407 } 7408 } 7409 7410 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7411 int verificationCode, UserHandle user) { 7412 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7413 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7414 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7415 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7416 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7417 7418 mContext.sendBroadcastAsUser(intent, user, 7419 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7420 } 7421 7422 private ComponentName matchComponentForVerifier(String packageName, 7423 List<ResolveInfo> receivers) { 7424 ActivityInfo targetReceiver = null; 7425 7426 final int NR = receivers.size(); 7427 for (int i = 0; i < NR; i++) { 7428 final ResolveInfo info = receivers.get(i); 7429 if (info.activityInfo == null) { 7430 continue; 7431 } 7432 7433 if (packageName.equals(info.activityInfo.packageName)) { 7434 targetReceiver = info.activityInfo; 7435 break; 7436 } 7437 } 7438 7439 if (targetReceiver == null) { 7440 return null; 7441 } 7442 7443 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7444 } 7445 7446 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7447 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7448 if (pkgInfo.verifiers.length == 0) { 7449 return null; 7450 } 7451 7452 final int N = pkgInfo.verifiers.length; 7453 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7454 for (int i = 0; i < N; i++) { 7455 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7456 7457 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7458 receivers); 7459 if (comp == null) { 7460 continue; 7461 } 7462 7463 final int verifierUid = getUidForVerifier(verifierInfo); 7464 if (verifierUid == -1) { 7465 continue; 7466 } 7467 7468 if (DEBUG_VERIFY) { 7469 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7470 + " with the correct signature"); 7471 } 7472 sufficientVerifiers.add(comp); 7473 verificationState.addSufficientVerifier(verifierUid); 7474 } 7475 7476 return sufficientVerifiers; 7477 } 7478 7479 private int getUidForVerifier(VerifierInfo verifierInfo) { 7480 synchronized (mPackages) { 7481 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7482 if (pkg == null) { 7483 return -1; 7484 } else if (pkg.mSignatures.length != 1) { 7485 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7486 + " has more than one signature; ignoring"); 7487 return -1; 7488 } 7489 7490 /* 7491 * If the public key of the package's signature does not match 7492 * our expected public key, then this is a different package and 7493 * we should skip. 7494 */ 7495 7496 final byte[] expectedPublicKey; 7497 try { 7498 final Signature verifierSig = pkg.mSignatures[0]; 7499 final PublicKey publicKey = verifierSig.getPublicKey(); 7500 expectedPublicKey = publicKey.getEncoded(); 7501 } catch (CertificateException e) { 7502 return -1; 7503 } 7504 7505 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7506 7507 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7508 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7509 + " does not have the expected public key; ignoring"); 7510 return -1; 7511 } 7512 7513 return pkg.applicationInfo.uid; 7514 } 7515 } 7516 7517 public void finishPackageInstall(int token) { 7518 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7519 7520 if (DEBUG_INSTALL) { 7521 Slog.v(TAG, "BM finishing package install for " + token); 7522 } 7523 7524 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7525 mHandler.sendMessage(msg); 7526 } 7527 7528 /** 7529 * Get the verification agent timeout. 7530 * 7531 * @return verification timeout in milliseconds 7532 */ 7533 private long getVerificationTimeout() { 7534 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7535 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7536 DEFAULT_VERIFICATION_TIMEOUT); 7537 } 7538 7539 /** 7540 * Get the default verification agent response code. 7541 * 7542 * @return default verification response code 7543 */ 7544 private int getDefaultVerificationResponse() { 7545 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7546 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7547 DEFAULT_VERIFICATION_RESPONSE); 7548 } 7549 7550 /** 7551 * Check whether or not package verification has been enabled. 7552 * 7553 * @return true if verification should be performed 7554 */ 7555 private boolean isVerificationEnabled(int flags) { 7556 if (!DEFAULT_VERIFY_ENABLE) { 7557 return false; 7558 } 7559 7560 // Check if installing from ADB 7561 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7562 // Do not run verification in a test harness environment 7563 if (ActivityManager.isRunningInTestHarness()) { 7564 return false; 7565 } 7566 // Check if the developer does not want package verification for ADB installs 7567 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7568 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7569 return false; 7570 } 7571 } 7572 7573 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7574 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7575 } 7576 7577 /** 7578 * Get the "allow unknown sources" setting. 7579 * 7580 * @return the current "allow unknown sources" setting 7581 */ 7582 private int getUnknownSourcesSettings() { 7583 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7584 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7585 -1); 7586 } 7587 7588 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7589 final int uid = Binder.getCallingUid(); 7590 // writer 7591 synchronized (mPackages) { 7592 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7593 if (targetPackageSetting == null) { 7594 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7595 } 7596 7597 PackageSetting installerPackageSetting; 7598 if (installerPackageName != null) { 7599 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7600 if (installerPackageSetting == null) { 7601 throw new IllegalArgumentException("Unknown installer package: " 7602 + installerPackageName); 7603 } 7604 } else { 7605 installerPackageSetting = null; 7606 } 7607 7608 Signature[] callerSignature; 7609 Object obj = mSettings.getUserIdLPr(uid); 7610 if (obj != null) { 7611 if (obj instanceof SharedUserSetting) { 7612 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7613 } else if (obj instanceof PackageSetting) { 7614 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7615 } else { 7616 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7617 } 7618 } else { 7619 throw new SecurityException("Unknown calling uid " + uid); 7620 } 7621 7622 // Verify: can't set installerPackageName to a package that is 7623 // not signed with the same cert as the caller. 7624 if (installerPackageSetting != null) { 7625 if (compareSignatures(callerSignature, 7626 installerPackageSetting.signatures.mSignatures) 7627 != PackageManager.SIGNATURE_MATCH) { 7628 throw new SecurityException( 7629 "Caller does not have same cert as new installer package " 7630 + installerPackageName); 7631 } 7632 } 7633 7634 // Verify: if target already has an installer package, it must 7635 // be signed with the same cert as the caller. 7636 if (targetPackageSetting.installerPackageName != null) { 7637 PackageSetting setting = mSettings.mPackages.get( 7638 targetPackageSetting.installerPackageName); 7639 // If the currently set package isn't valid, then it's always 7640 // okay to change it. 7641 if (setting != null) { 7642 if (compareSignatures(callerSignature, 7643 setting.signatures.mSignatures) 7644 != PackageManager.SIGNATURE_MATCH) { 7645 throw new SecurityException( 7646 "Caller does not have same cert as old installer package " 7647 + targetPackageSetting.installerPackageName); 7648 } 7649 } 7650 } 7651 7652 // Okay! 7653 targetPackageSetting.installerPackageName = installerPackageName; 7654 scheduleWriteSettingsLocked(); 7655 } 7656 } 7657 7658 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7659 // Queue up an async operation since the package installation may take a little while. 7660 mHandler.post(new Runnable() { 7661 public void run() { 7662 mHandler.removeCallbacks(this); 7663 // Result object to be returned 7664 PackageInstalledInfo res = new PackageInstalledInfo(); 7665 res.returnCode = currentStatus; 7666 res.uid = -1; 7667 res.pkg = null; 7668 res.removedInfo = new PackageRemovedInfo(); 7669 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7670 args.doPreInstall(res.returnCode); 7671 synchronized (mInstallLock) { 7672 installPackageLI(args, true, res); 7673 } 7674 args.doPostInstall(res.returnCode, res.uid); 7675 } 7676 7677 // A restore should be performed at this point if (a) the install 7678 // succeeded, (b) the operation is not an update, and (c) the new 7679 // package has a backupAgent defined. 7680 final boolean update = res.removedInfo.removedPackage != null; 7681 boolean doRestore = (!update 7682 && res.pkg != null 7683 && res.pkg.applicationInfo.backupAgentName != null); 7684 7685 // Set up the post-install work request bookkeeping. This will be used 7686 // and cleaned up by the post-install event handling regardless of whether 7687 // there's a restore pass performed. Token values are >= 1. 7688 int token; 7689 if (mNextInstallToken < 0) mNextInstallToken = 1; 7690 token = mNextInstallToken++; 7691 7692 PostInstallData data = new PostInstallData(args, res); 7693 mRunningInstalls.put(token, data); 7694 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7695 7696 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7697 // Pass responsibility to the Backup Manager. It will perform a 7698 // restore if appropriate, then pass responsibility back to the 7699 // Package Manager to run the post-install observer callbacks 7700 // and broadcasts. 7701 IBackupManager bm = IBackupManager.Stub.asInterface( 7702 ServiceManager.getService(Context.BACKUP_SERVICE)); 7703 if (bm != null) { 7704 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7705 + " to BM for possible restore"); 7706 try { 7707 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7708 } catch (RemoteException e) { 7709 // can't happen; the backup manager is local 7710 } catch (Exception e) { 7711 Slog.e(TAG, "Exception trying to enqueue restore", e); 7712 doRestore = false; 7713 } 7714 } else { 7715 Slog.e(TAG, "Backup Manager not found!"); 7716 doRestore = false; 7717 } 7718 } 7719 7720 if (!doRestore) { 7721 // No restore possible, or the Backup Manager was mysteriously not 7722 // available -- just fire the post-install work request directly. 7723 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7724 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7725 mHandler.sendMessage(msg); 7726 } 7727 } 7728 }); 7729 } 7730 7731 private abstract class HandlerParams { 7732 private static final int MAX_RETRIES = 4; 7733 7734 /** 7735 * Number of times startCopy() has been attempted and had a non-fatal 7736 * error. 7737 */ 7738 private int mRetries = 0; 7739 7740 /** User handle for the user requesting the information or installation. */ 7741 private final UserHandle mUser; 7742 7743 HandlerParams(UserHandle user) { 7744 mUser = user; 7745 } 7746 7747 UserHandle getUser() { 7748 return mUser; 7749 } 7750 7751 final boolean startCopy() { 7752 boolean res; 7753 try { 7754 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7755 7756 if (++mRetries > MAX_RETRIES) { 7757 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7758 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7759 handleServiceError(); 7760 return false; 7761 } else { 7762 handleStartCopy(); 7763 res = true; 7764 } 7765 } catch (RemoteException e) { 7766 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7767 mHandler.sendEmptyMessage(MCS_RECONNECT); 7768 res = false; 7769 } 7770 handleReturnCode(); 7771 return res; 7772 } 7773 7774 final void serviceError() { 7775 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7776 handleServiceError(); 7777 handleReturnCode(); 7778 } 7779 7780 abstract void handleStartCopy() throws RemoteException; 7781 abstract void handleServiceError(); 7782 abstract void handleReturnCode(); 7783 } 7784 7785 class MeasureParams extends HandlerParams { 7786 private final PackageStats mStats; 7787 private boolean mSuccess; 7788 7789 private final IPackageStatsObserver mObserver; 7790 7791 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7792 super(new UserHandle(stats.userHandle)); 7793 mObserver = observer; 7794 mStats = stats; 7795 } 7796 7797 @Override 7798 public String toString() { 7799 return "MeasureParams{" 7800 + Integer.toHexString(System.identityHashCode(this)) 7801 + " " + mStats.packageName + "}"; 7802 } 7803 7804 @Override 7805 void handleStartCopy() throws RemoteException { 7806 synchronized (mInstallLock) { 7807 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7808 } 7809 7810 final boolean mounted; 7811 if (Environment.isExternalStorageEmulated()) { 7812 mounted = true; 7813 } else { 7814 final String status = Environment.getExternalStorageState(); 7815 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7816 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7817 } 7818 7819 if (mounted) { 7820 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7821 7822 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7823 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7824 7825 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7826 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7827 7828 // Always subtract cache size, since it's a subdirectory 7829 mStats.externalDataSize -= mStats.externalCacheSize; 7830 7831 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7832 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7833 7834 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7835 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7836 } 7837 } 7838 7839 @Override 7840 void handleReturnCode() { 7841 if (mObserver != null) { 7842 try { 7843 mObserver.onGetStatsCompleted(mStats, mSuccess); 7844 } catch (RemoteException e) { 7845 Slog.i(TAG, "Observer no longer exists."); 7846 } 7847 } 7848 } 7849 7850 @Override 7851 void handleServiceError() { 7852 Slog.e(TAG, "Could not measure application " + mStats.packageName 7853 + " external storage"); 7854 } 7855 } 7856 7857 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7858 throws RemoteException { 7859 long result = 0; 7860 for (File path : paths) { 7861 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7862 } 7863 return result; 7864 } 7865 7866 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7867 for (File path : paths) { 7868 try { 7869 mcs.clearDirectory(path.getAbsolutePath()); 7870 } catch (RemoteException e) { 7871 } 7872 } 7873 } 7874 7875 class InstallParams extends HandlerParams { 7876 final IPackageInstallObserver observer; 7877 int flags; 7878 7879 private final Uri mPackageURI; 7880 final String installerPackageName; 7881 final VerificationParams verificationParams; 7882 private InstallArgs mArgs; 7883 private int mRet; 7884 private File mTempPackage; 7885 final ContainerEncryptionParams encryptionParams; 7886 7887 InstallParams(Uri packageURI, 7888 IPackageInstallObserver observer, int flags, 7889 String installerPackageName, VerificationParams verificationParams, 7890 ContainerEncryptionParams encryptionParams, UserHandle user) { 7891 super(user); 7892 this.mPackageURI = packageURI; 7893 this.flags = flags; 7894 this.observer = observer; 7895 this.installerPackageName = installerPackageName; 7896 this.verificationParams = verificationParams; 7897 this.encryptionParams = encryptionParams; 7898 } 7899 7900 @Override 7901 public String toString() { 7902 return "InstallParams{" 7903 + Integer.toHexString(System.identityHashCode(this)) 7904 + " " + mPackageURI + "}"; 7905 } 7906 7907 public ManifestDigest getManifestDigest() { 7908 if (verificationParams == null) { 7909 return null; 7910 } 7911 return verificationParams.getManifestDigest(); 7912 } 7913 7914 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7915 String packageName = pkgLite.packageName; 7916 int installLocation = pkgLite.installLocation; 7917 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7918 // reader 7919 synchronized (mPackages) { 7920 PackageParser.Package pkg = mPackages.get(packageName); 7921 if (pkg != null) { 7922 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7923 // Check for downgrading. 7924 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7925 if (pkgLite.versionCode < pkg.mVersionCode) { 7926 Slog.w(TAG, "Can't install update of " + packageName 7927 + " update version " + pkgLite.versionCode 7928 + " is older than installed version " 7929 + pkg.mVersionCode); 7930 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7931 } 7932 } 7933 // Check for updated system application. 7934 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7935 if (onSd) { 7936 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7937 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7938 } 7939 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7940 } else { 7941 if (onSd) { 7942 // Install flag overrides everything. 7943 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7944 } 7945 // If current upgrade specifies particular preference 7946 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7947 // Application explicitly specified internal. 7948 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7949 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7950 // App explictly prefers external. Let policy decide 7951 } else { 7952 // Prefer previous location 7953 if (isExternal(pkg)) { 7954 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7955 } 7956 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7957 } 7958 } 7959 } else { 7960 // Invalid install. Return error code 7961 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7962 } 7963 } 7964 } 7965 // All the special cases have been taken care of. 7966 // Return result based on recommended install location. 7967 if (onSd) { 7968 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7969 } 7970 return pkgLite.recommendedInstallLocation; 7971 } 7972 7973 private long getMemoryLowThreshold() { 7974 final DeviceStorageMonitorInternal 7975 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7976 if (dsm == null) { 7977 return 0L; 7978 } 7979 return dsm.getMemoryLowThreshold(); 7980 } 7981 7982 /* 7983 * Invoke remote method to get package information and install 7984 * location values. Override install location based on default 7985 * policy if needed and then create install arguments based 7986 * on the install location. 7987 */ 7988 public void handleStartCopy() throws RemoteException { 7989 int ret = PackageManager.INSTALL_SUCCEEDED; 7990 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7991 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7992 PackageInfoLite pkgLite = null; 7993 7994 if (onInt && onSd) { 7995 // Check if both bits are set. 7996 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7997 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7998 } else { 7999 final long lowThreshold = getMemoryLowThreshold(); 8000 if (lowThreshold == 0L) { 8001 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8002 } 8003 8004 try { 8005 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8006 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8007 8008 final File packageFile; 8009 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8010 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8011 if (mTempPackage != null) { 8012 ParcelFileDescriptor out; 8013 try { 8014 out = ParcelFileDescriptor.open(mTempPackage, 8015 ParcelFileDescriptor.MODE_READ_WRITE); 8016 } catch (FileNotFoundException e) { 8017 out = null; 8018 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8019 } 8020 8021 // Make a temporary file for decryption. 8022 ret = mContainerService 8023 .copyResource(mPackageURI, encryptionParams, out); 8024 IoUtils.closeQuietly(out); 8025 8026 packageFile = mTempPackage; 8027 8028 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8029 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8030 | FileUtils.S_IROTH, 8031 -1, -1); 8032 } else { 8033 packageFile = null; 8034 } 8035 } else { 8036 packageFile = new File(mPackageURI.getPath()); 8037 } 8038 8039 if (packageFile != null) { 8040 // Remote call to find out default install location 8041 final String packageFilePath = packageFile.getAbsolutePath(); 8042 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8043 lowThreshold); 8044 8045 /* 8046 * If we have too little free space, try to free cache 8047 * before giving up. 8048 */ 8049 if (pkgLite.recommendedInstallLocation 8050 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8051 final long size = mContainerService.calculateInstalledSize( 8052 packageFilePath, isForwardLocked()); 8053 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8054 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8055 flags, lowThreshold); 8056 } 8057 /* 8058 * The cache free must have deleted the file we 8059 * downloaded to install. 8060 * 8061 * TODO: fix the "freeCache" call to not delete 8062 * the file we care about. 8063 */ 8064 if (pkgLite.recommendedInstallLocation 8065 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8066 pkgLite.recommendedInstallLocation 8067 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8068 } 8069 } 8070 } 8071 } finally { 8072 mContext.revokeUriPermission(mPackageURI, 8073 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8074 } 8075 } 8076 8077 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8078 int loc = pkgLite.recommendedInstallLocation; 8079 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8080 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8081 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8082 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8083 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8084 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8085 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8086 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8087 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8088 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8089 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8090 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8091 } else { 8092 // Override with defaults if needed. 8093 loc = installLocationPolicy(pkgLite, flags); 8094 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8095 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8096 } else if (!onSd && !onInt) { 8097 // Override install location with flags 8098 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8099 // Set the flag to install on external media. 8100 flags |= PackageManager.INSTALL_EXTERNAL; 8101 flags &= ~PackageManager.INSTALL_INTERNAL; 8102 } else { 8103 // Make sure the flag for installing on external 8104 // media is unset 8105 flags |= PackageManager.INSTALL_INTERNAL; 8106 flags &= ~PackageManager.INSTALL_EXTERNAL; 8107 } 8108 } 8109 } 8110 } 8111 8112 final InstallArgs args = createInstallArgs(this); 8113 mArgs = args; 8114 8115 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8116 /* 8117 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8118 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8119 */ 8120 int userIdentifier = getUser().getIdentifier(); 8121 if (userIdentifier == UserHandle.USER_ALL 8122 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8123 userIdentifier = UserHandle.USER_OWNER; 8124 } 8125 8126 /* 8127 * Determine if we have any installed package verifiers. If we 8128 * do, then we'll defer to them to verify the packages. 8129 */ 8130 final int requiredUid = mRequiredVerifierPackage == null ? -1 8131 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8132 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8133 final Intent verification = new Intent( 8134 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8135 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8136 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8137 8138 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8139 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8140 0 /* TODO: Which userId? */); 8141 8142 if (DEBUG_VERIFY) { 8143 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8144 + verification.toString() + " with " + pkgLite.verifiers.length 8145 + " optional verifiers"); 8146 } 8147 8148 final int verificationId = mPendingVerificationToken++; 8149 8150 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8151 8152 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8153 installerPackageName); 8154 8155 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8156 8157 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8158 pkgLite.packageName); 8159 8160 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8161 pkgLite.versionCode); 8162 8163 if (verificationParams != null) { 8164 if (verificationParams.getVerificationURI() != null) { 8165 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8166 verificationParams.getVerificationURI()); 8167 } 8168 if (verificationParams.getOriginatingURI() != null) { 8169 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8170 verificationParams.getOriginatingURI()); 8171 } 8172 if (verificationParams.getReferrer() != null) { 8173 verification.putExtra(Intent.EXTRA_REFERRER, 8174 verificationParams.getReferrer()); 8175 } 8176 if (verificationParams.getOriginatingUid() >= 0) { 8177 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8178 verificationParams.getOriginatingUid()); 8179 } 8180 if (verificationParams.getInstallerUid() >= 0) { 8181 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8182 verificationParams.getInstallerUid()); 8183 } 8184 } 8185 8186 final PackageVerificationState verificationState = new PackageVerificationState( 8187 requiredUid, args); 8188 8189 mPendingVerification.append(verificationId, verificationState); 8190 8191 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8192 receivers, verificationState); 8193 8194 /* 8195 * If any sufficient verifiers were listed in the package 8196 * manifest, attempt to ask them. 8197 */ 8198 if (sufficientVerifiers != null) { 8199 final int N = sufficientVerifiers.size(); 8200 if (N == 0) { 8201 Slog.i(TAG, "Additional verifiers required, but none installed."); 8202 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8203 } else { 8204 for (int i = 0; i < N; i++) { 8205 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8206 8207 final Intent sufficientIntent = new Intent(verification); 8208 sufficientIntent.setComponent(verifierComponent); 8209 8210 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8211 } 8212 } 8213 } 8214 8215 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8216 mRequiredVerifierPackage, receivers); 8217 if (ret == PackageManager.INSTALL_SUCCEEDED 8218 && mRequiredVerifierPackage != null) { 8219 /* 8220 * Send the intent to the required verification agent, 8221 * but only start the verification timeout after the 8222 * target BroadcastReceivers have run. 8223 */ 8224 verification.setComponent(requiredVerifierComponent); 8225 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8226 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8227 new BroadcastReceiver() { 8228 @Override 8229 public void onReceive(Context context, Intent intent) { 8230 final Message msg = mHandler 8231 .obtainMessage(CHECK_PENDING_VERIFICATION); 8232 msg.arg1 = verificationId; 8233 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8234 } 8235 }, null, 0, null, null); 8236 8237 /* 8238 * We don't want the copy to proceed until verification 8239 * succeeds, so null out this field. 8240 */ 8241 mArgs = null; 8242 } 8243 } else { 8244 /* 8245 * No package verification is enabled, so immediately start 8246 * the remote call to initiate copy using temporary file. 8247 */ 8248 ret = args.copyApk(mContainerService, true); 8249 } 8250 } 8251 8252 mRet = ret; 8253 } 8254 8255 @Override 8256 void handleReturnCode() { 8257 // If mArgs is null, then MCS couldn't be reached. When it 8258 // reconnects, it will try again to install. At that point, this 8259 // will succeed. 8260 if (mArgs != null) { 8261 processPendingInstall(mArgs, mRet); 8262 8263 if (mTempPackage != null) { 8264 if (!mTempPackage.delete()) { 8265 Slog.w(TAG, "Couldn't delete temporary file: " + 8266 mTempPackage.getAbsolutePath()); 8267 } 8268 } 8269 } 8270 } 8271 8272 @Override 8273 void handleServiceError() { 8274 mArgs = createInstallArgs(this); 8275 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8276 } 8277 8278 public boolean isForwardLocked() { 8279 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8280 } 8281 8282 public Uri getPackageUri() { 8283 if (mTempPackage != null) { 8284 return Uri.fromFile(mTempPackage); 8285 } else { 8286 return mPackageURI; 8287 } 8288 } 8289 } 8290 8291 /* 8292 * Utility class used in movePackage api. 8293 * srcArgs and targetArgs are not set for invalid flags and make 8294 * sure to do null checks when invoking methods on them. 8295 * We probably want to return ErrorPrams for both failed installs 8296 * and moves. 8297 */ 8298 class MoveParams extends HandlerParams { 8299 final IPackageMoveObserver observer; 8300 final int flags; 8301 final String packageName; 8302 final InstallArgs srcArgs; 8303 final InstallArgs targetArgs; 8304 int uid; 8305 int mRet; 8306 8307 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8308 String packageName, String dataDir, String instructionSet, 8309 int uid, UserHandle user) { 8310 super(user); 8311 this.srcArgs = srcArgs; 8312 this.observer = observer; 8313 this.flags = flags; 8314 this.packageName = packageName; 8315 this.uid = uid; 8316 if (srcArgs != null) { 8317 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8318 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8319 } else { 8320 targetArgs = null; 8321 } 8322 } 8323 8324 @Override 8325 public String toString() { 8326 return "MoveParams{" 8327 + Integer.toHexString(System.identityHashCode(this)) 8328 + " " + packageName + "}"; 8329 } 8330 8331 public void handleStartCopy() throws RemoteException { 8332 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8333 // Check for storage space on target medium 8334 if (!targetArgs.checkFreeStorage(mContainerService)) { 8335 Log.w(TAG, "Insufficient storage to install"); 8336 return; 8337 } 8338 8339 mRet = srcArgs.doPreCopy(); 8340 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8341 return; 8342 } 8343 8344 mRet = targetArgs.copyApk(mContainerService, false); 8345 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8346 srcArgs.doPostCopy(uid); 8347 return; 8348 } 8349 8350 mRet = srcArgs.doPostCopy(uid); 8351 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8352 return; 8353 } 8354 8355 mRet = targetArgs.doPreInstall(mRet); 8356 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8357 return; 8358 } 8359 8360 if (DEBUG_SD_INSTALL) { 8361 StringBuilder builder = new StringBuilder(); 8362 if (srcArgs != null) { 8363 builder.append("src: "); 8364 builder.append(srcArgs.getCodePath()); 8365 } 8366 if (targetArgs != null) { 8367 builder.append(" target : "); 8368 builder.append(targetArgs.getCodePath()); 8369 } 8370 Log.i(TAG, builder.toString()); 8371 } 8372 } 8373 8374 @Override 8375 void handleReturnCode() { 8376 targetArgs.doPostInstall(mRet, uid); 8377 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8378 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8379 currentStatus = PackageManager.MOVE_SUCCEEDED; 8380 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8381 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8382 } 8383 processPendingMove(this, currentStatus); 8384 } 8385 8386 @Override 8387 void handleServiceError() { 8388 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8389 } 8390 } 8391 8392 /** 8393 * Used during creation of InstallArgs 8394 * 8395 * @param flags package installation flags 8396 * @return true if should be installed on external storage 8397 */ 8398 private static boolean installOnSd(int flags) { 8399 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8400 return false; 8401 } 8402 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8403 return true; 8404 } 8405 return false; 8406 } 8407 8408 /** 8409 * Used during creation of InstallArgs 8410 * 8411 * @param flags package installation flags 8412 * @return true if should be installed as forward locked 8413 */ 8414 private static boolean installForwardLocked(int flags) { 8415 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8416 } 8417 8418 private InstallArgs createInstallArgs(InstallParams params) { 8419 if (installOnSd(params.flags) || params.isForwardLocked()) { 8420 return new AsecInstallArgs(params); 8421 } else { 8422 return new FileInstallArgs(params); 8423 } 8424 } 8425 8426 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8427 String nativeLibraryPath, String instructionSet) { 8428 final boolean isInAsec; 8429 if (installOnSd(flags)) { 8430 /* Apps on SD card are always in ASEC containers. */ 8431 isInAsec = true; 8432 } else if (installForwardLocked(flags) 8433 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8434 /* 8435 * Forward-locked apps are only in ASEC containers if they're the 8436 * new style 8437 */ 8438 isInAsec = true; 8439 } else { 8440 isInAsec = false; 8441 } 8442 8443 if (isInAsec) { 8444 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8445 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8446 } else { 8447 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8448 instructionSet); 8449 } 8450 } 8451 8452 // Used by package mover 8453 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8454 String instructionSet) { 8455 if (installOnSd(flags) || installForwardLocked(flags)) { 8456 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8457 + AsecInstallArgs.RES_FILE_NAME); 8458 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8459 installForwardLocked(flags)); 8460 } else { 8461 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8462 } 8463 } 8464 8465 static abstract class InstallArgs { 8466 final IPackageInstallObserver observer; 8467 // Always refers to PackageManager flags only 8468 final int flags; 8469 final Uri packageURI; 8470 final String installerPackageName; 8471 final ManifestDigest manifestDigest; 8472 final UserHandle user; 8473 final String instructionSet; 8474 8475 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8476 String installerPackageName, ManifestDigest manifestDigest, 8477 UserHandle user, String instructionSet) { 8478 this.packageURI = packageURI; 8479 this.flags = flags; 8480 this.observer = observer; 8481 this.installerPackageName = installerPackageName; 8482 this.manifestDigest = manifestDigest; 8483 this.user = user; 8484 this.instructionSet = instructionSet; 8485 } 8486 8487 abstract void createCopyFile(); 8488 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8489 abstract int doPreInstall(int status); 8490 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8491 8492 abstract int doPostInstall(int status, int uid); 8493 abstract String getCodePath(); 8494 abstract String getResourcePath(); 8495 abstract String getNativeLibraryPath(); 8496 // Need installer lock especially for dex file removal. 8497 abstract void cleanUpResourcesLI(); 8498 abstract boolean doPostDeleteLI(boolean delete); 8499 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8500 8501 /** 8502 * Called before the source arguments are copied. This is used mostly 8503 * for MoveParams when it needs to read the source file to put it in the 8504 * destination. 8505 */ 8506 int doPreCopy() { 8507 return PackageManager.INSTALL_SUCCEEDED; 8508 } 8509 8510 /** 8511 * Called after the source arguments are copied. This is used mostly for 8512 * MoveParams when it needs to read the source file to put it in the 8513 * destination. 8514 * 8515 * @return 8516 */ 8517 int doPostCopy(int uid) { 8518 return PackageManager.INSTALL_SUCCEEDED; 8519 } 8520 8521 protected boolean isFwdLocked() { 8522 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8523 } 8524 8525 UserHandle getUser() { 8526 return user; 8527 } 8528 } 8529 8530 class FileInstallArgs extends InstallArgs { 8531 File installDir; 8532 String codeFileName; 8533 String resourceFileName; 8534 String libraryPath; 8535 boolean created = false; 8536 8537 FileInstallArgs(InstallParams params) { 8538 super(params.getPackageUri(), params.observer, params.flags, 8539 params.installerPackageName, params.getManifestDigest(), 8540 params.getUser(), null /* instruction set */); 8541 } 8542 8543 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8544 String instructionSet) { 8545 super(null, null, 0, null, null, null, instructionSet); 8546 File codeFile = new File(fullCodePath); 8547 installDir = codeFile.getParentFile(); 8548 codeFileName = fullCodePath; 8549 resourceFileName = fullResourcePath; 8550 libraryPath = nativeLibraryPath; 8551 } 8552 8553 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8554 super(packageURI, null, 0, null, null, null, instructionSet); 8555 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8556 String apkName = getNextCodePath(null, pkgName, ".apk"); 8557 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8558 resourceFileName = getResourcePathFromCodePath(); 8559 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8560 } 8561 8562 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8563 final long lowThreshold; 8564 8565 final DeviceStorageMonitorInternal 8566 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8567 if (dsm == null) { 8568 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8569 lowThreshold = 0L; 8570 } else { 8571 if (dsm.isMemoryLow()) { 8572 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8573 return false; 8574 } 8575 8576 lowThreshold = dsm.getMemoryLowThreshold(); 8577 } 8578 8579 try { 8580 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8581 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8582 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8583 } finally { 8584 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8585 } 8586 } 8587 8588 String getCodePath() { 8589 return codeFileName; 8590 } 8591 8592 void createCopyFile() { 8593 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8594 codeFileName = createTempPackageFile(installDir).getPath(); 8595 resourceFileName = getResourcePathFromCodePath(); 8596 libraryPath = getLibraryPathFromCodePath(); 8597 created = true; 8598 } 8599 8600 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8601 if (temp) { 8602 // Generate temp file name 8603 createCopyFile(); 8604 } 8605 // Get a ParcelFileDescriptor to write to the output file 8606 File codeFile = new File(codeFileName); 8607 if (!created) { 8608 try { 8609 codeFile.createNewFile(); 8610 // Set permissions 8611 if (!setPermissions()) { 8612 // Failed setting permissions. 8613 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8614 } 8615 } catch (IOException e) { 8616 Slog.w(TAG, "Failed to create file " + codeFile); 8617 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8618 } 8619 } 8620 ParcelFileDescriptor out = null; 8621 try { 8622 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8623 } catch (FileNotFoundException e) { 8624 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8625 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8626 } 8627 // Copy the resource now 8628 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8629 try { 8630 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8631 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8632 ret = imcs.copyResource(packageURI, null, out); 8633 } finally { 8634 IoUtils.closeQuietly(out); 8635 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8636 } 8637 8638 if (isFwdLocked()) { 8639 final File destResourceFile = new File(getResourcePath()); 8640 8641 // Copy the public files 8642 try { 8643 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8644 } catch (IOException e) { 8645 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8646 + " forward-locked app."); 8647 destResourceFile.delete(); 8648 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8649 } 8650 } 8651 8652 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8653 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8654 if (nativeLibraryFile.exists()) { 8655 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8656 nativeLibraryFile.delete(); 8657 } 8658 try { 8659 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8660 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8661 return copyRet; 8662 } 8663 } catch (IOException e) { 8664 Slog.e(TAG, "Copying native libraries failed", e); 8665 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8666 } 8667 8668 return ret; 8669 } 8670 8671 int doPreInstall(int status) { 8672 if (status != PackageManager.INSTALL_SUCCEEDED) { 8673 cleanUp(); 8674 } 8675 return status; 8676 } 8677 8678 boolean doRename(int status, final String pkgName, String oldCodePath) { 8679 if (status != PackageManager.INSTALL_SUCCEEDED) { 8680 cleanUp(); 8681 return false; 8682 } else { 8683 final File oldCodeFile = new File(getCodePath()); 8684 final File oldResourceFile = new File(getResourcePath()); 8685 final File oldLibraryFile = new File(getNativeLibraryPath()); 8686 8687 // Rename APK file based on packageName 8688 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8689 final File newCodeFile = new File(installDir, apkName + ".apk"); 8690 if (!oldCodeFile.renameTo(newCodeFile)) { 8691 return false; 8692 } 8693 codeFileName = newCodeFile.getPath(); 8694 8695 // Rename public resource file if it's forward-locked. 8696 final File newResFile = new File(getResourcePathFromCodePath()); 8697 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8698 return false; 8699 } 8700 resourceFileName = newResFile.getPath(); 8701 8702 // Rename library path 8703 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8704 if (newLibraryFile.exists()) { 8705 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8706 newLibraryFile.delete(); 8707 } 8708 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8709 Slog.e(TAG, "Cannot rename native library directory " 8710 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8711 return false; 8712 } 8713 libraryPath = newLibraryFile.getPath(); 8714 8715 // Attempt to set permissions 8716 if (!setPermissions()) { 8717 return false; 8718 } 8719 8720 if (!SELinux.restorecon(newCodeFile)) { 8721 return false; 8722 } 8723 8724 return true; 8725 } 8726 } 8727 8728 int doPostInstall(int status, int uid) { 8729 if (status != PackageManager.INSTALL_SUCCEEDED) { 8730 cleanUp(); 8731 } 8732 return status; 8733 } 8734 8735 String getResourcePath() { 8736 return resourceFileName; 8737 } 8738 8739 private String getResourcePathFromCodePath() { 8740 final String codePath = getCodePath(); 8741 if (isFwdLocked()) { 8742 final StringBuilder sb = new StringBuilder(); 8743 8744 sb.append(mAppInstallDir.getPath()); 8745 sb.append('/'); 8746 sb.append(getApkName(codePath)); 8747 sb.append(".zip"); 8748 8749 /* 8750 * If our APK is a temporary file, mark the resource as a 8751 * temporary file as well so it can be cleaned up after 8752 * catastrophic failure. 8753 */ 8754 if (codePath.endsWith(".tmp")) { 8755 sb.append(".tmp"); 8756 } 8757 8758 return sb.toString(); 8759 } else { 8760 return codePath; 8761 } 8762 } 8763 8764 private String getLibraryPathFromCodePath() { 8765 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8766 } 8767 8768 @Override 8769 String getNativeLibraryPath() { 8770 if (libraryPath == null) { 8771 libraryPath = getLibraryPathFromCodePath(); 8772 } 8773 return libraryPath; 8774 } 8775 8776 private boolean cleanUp() { 8777 boolean ret = true; 8778 String sourceDir = getCodePath(); 8779 String publicSourceDir = getResourcePath(); 8780 if (sourceDir != null) { 8781 File sourceFile = new File(sourceDir); 8782 if (!sourceFile.exists()) { 8783 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8784 ret = false; 8785 } 8786 // Delete application's code and resources 8787 sourceFile.delete(); 8788 } 8789 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8790 final File publicSourceFile = new File(publicSourceDir); 8791 if (!publicSourceFile.exists()) { 8792 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8793 } 8794 if (publicSourceFile.exists()) { 8795 publicSourceFile.delete(); 8796 } 8797 } 8798 8799 if (libraryPath != null) { 8800 File nativeLibraryFile = new File(libraryPath); 8801 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8802 if (!nativeLibraryFile.delete()) { 8803 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8804 } 8805 } 8806 8807 return ret; 8808 } 8809 8810 void cleanUpResourcesLI() { 8811 String sourceDir = getCodePath(); 8812 if (cleanUp()) { 8813 if (instructionSet == null) { 8814 throw new IllegalStateException("instructionSet == null"); 8815 } 8816 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 8817 if (retCode < 0) { 8818 Slog.w(TAG, "Couldn't remove dex file for package: " 8819 + " at location " 8820 + sourceDir + ", retcode=" + retCode); 8821 // we don't consider this to be a failure of the core package deletion 8822 } 8823 } 8824 } 8825 8826 private boolean setPermissions() { 8827 // TODO Do this in a more elegant way later on. for now just a hack 8828 if (!isFwdLocked()) { 8829 final int filePermissions = 8830 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8831 |FileUtils.S_IROTH; 8832 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8833 if (retCode != 0) { 8834 Slog.e(TAG, "Couldn't set new package file permissions for " + 8835 getCodePath() 8836 + ". The return code was: " + retCode); 8837 // TODO Define new internal error 8838 return false; 8839 } 8840 return true; 8841 } 8842 return true; 8843 } 8844 8845 boolean doPostDeleteLI(boolean delete) { 8846 // XXX err, shouldn't we respect the delete flag? 8847 cleanUpResourcesLI(); 8848 return true; 8849 } 8850 } 8851 8852 private boolean isAsecExternal(String cid) { 8853 final String asecPath = PackageHelper.getSdFilesystem(cid); 8854 return !asecPath.startsWith(mAsecInternalPath); 8855 } 8856 8857 /** 8858 * Extract the MountService "container ID" from the full code path of an 8859 * .apk. 8860 */ 8861 static String cidFromCodePath(String fullCodePath) { 8862 int eidx = fullCodePath.lastIndexOf("/"); 8863 String subStr1 = fullCodePath.substring(0, eidx); 8864 int sidx = subStr1.lastIndexOf("/"); 8865 return subStr1.substring(sidx+1, eidx); 8866 } 8867 8868 class AsecInstallArgs extends InstallArgs { 8869 static final String RES_FILE_NAME = "pkg.apk"; 8870 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8871 8872 String cid; 8873 String packagePath; 8874 String resourcePath; 8875 String libraryPath; 8876 8877 AsecInstallArgs(InstallParams params) { 8878 super(params.getPackageUri(), params.observer, params.flags, 8879 params.installerPackageName, params.getManifestDigest(), 8880 params.getUser(), null /* instruction set */); 8881 } 8882 8883 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8884 String instructionSet, boolean isExternal, boolean isForwardLocked) { 8885 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8886 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8887 null, null, null, instructionSet); 8888 // Extract cid from fullCodePath 8889 int eidx = fullCodePath.lastIndexOf("/"); 8890 String subStr1 = fullCodePath.substring(0, eidx); 8891 int sidx = subStr1.lastIndexOf("/"); 8892 cid = subStr1.substring(sidx+1, eidx); 8893 setCachePath(subStr1); 8894 } 8895 8896 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 8897 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8898 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8899 null, null, null, instructionSet); 8900 this.cid = cid; 8901 setCachePath(PackageHelper.getSdDir(cid)); 8902 } 8903 8904 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 8905 boolean isExternal, boolean isForwardLocked) { 8906 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8907 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8908 null, null, null, instructionSet); 8909 this.cid = cid; 8910 } 8911 8912 void createCopyFile() { 8913 cid = getTempContainerId(); 8914 } 8915 8916 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8917 try { 8918 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8919 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8920 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8921 } finally { 8922 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8923 } 8924 } 8925 8926 private final boolean isExternal() { 8927 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8928 } 8929 8930 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8931 if (temp) { 8932 createCopyFile(); 8933 } else { 8934 /* 8935 * Pre-emptively destroy the container since it's destroyed if 8936 * copying fails due to it existing anyway. 8937 */ 8938 PackageHelper.destroySdDir(cid); 8939 } 8940 8941 final String newCachePath; 8942 try { 8943 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8944 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8945 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8946 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8947 } finally { 8948 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8949 } 8950 8951 if (newCachePath != null) { 8952 setCachePath(newCachePath); 8953 return PackageManager.INSTALL_SUCCEEDED; 8954 } else { 8955 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8956 } 8957 } 8958 8959 @Override 8960 String getCodePath() { 8961 return packagePath; 8962 } 8963 8964 @Override 8965 String getResourcePath() { 8966 return resourcePath; 8967 } 8968 8969 @Override 8970 String getNativeLibraryPath() { 8971 return libraryPath; 8972 } 8973 8974 int doPreInstall(int status) { 8975 if (status != PackageManager.INSTALL_SUCCEEDED) { 8976 // Destroy container 8977 PackageHelper.destroySdDir(cid); 8978 } else { 8979 boolean mounted = PackageHelper.isContainerMounted(cid); 8980 if (!mounted) { 8981 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8982 Process.SYSTEM_UID); 8983 if (newCachePath != null) { 8984 setCachePath(newCachePath); 8985 } else { 8986 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8987 } 8988 } 8989 } 8990 return status; 8991 } 8992 8993 boolean doRename(int status, final String pkgName, 8994 String oldCodePath) { 8995 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8996 String newCachePath = null; 8997 if (PackageHelper.isContainerMounted(cid)) { 8998 // Unmount the container 8999 if (!PackageHelper.unMountSdDir(cid)) { 9000 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9001 return false; 9002 } 9003 } 9004 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9005 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9006 " which might be stale. Will try to clean up."); 9007 // Clean up the stale container and proceed to recreate. 9008 if (!PackageHelper.destroySdDir(newCacheId)) { 9009 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9010 return false; 9011 } 9012 // Successfully cleaned up stale container. Try to rename again. 9013 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9014 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9015 + " inspite of cleaning it up."); 9016 return false; 9017 } 9018 } 9019 if (!PackageHelper.isContainerMounted(newCacheId)) { 9020 Slog.w(TAG, "Mounting container " + newCacheId); 9021 newCachePath = PackageHelper.mountSdDir(newCacheId, 9022 getEncryptKey(), Process.SYSTEM_UID); 9023 } else { 9024 newCachePath = PackageHelper.getSdDir(newCacheId); 9025 } 9026 if (newCachePath == null) { 9027 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9028 return false; 9029 } 9030 Log.i(TAG, "Succesfully renamed " + cid + 9031 " to " + newCacheId + 9032 " at new path: " + newCachePath); 9033 cid = newCacheId; 9034 setCachePath(newCachePath); 9035 return true; 9036 } 9037 9038 private void setCachePath(String newCachePath) { 9039 File cachePath = new File(newCachePath); 9040 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9041 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9042 9043 if (isFwdLocked()) { 9044 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9045 } else { 9046 resourcePath = packagePath; 9047 } 9048 } 9049 9050 int doPostInstall(int status, int uid) { 9051 if (status != PackageManager.INSTALL_SUCCEEDED) { 9052 cleanUp(); 9053 } else { 9054 final int groupOwner; 9055 final String protectedFile; 9056 if (isFwdLocked()) { 9057 groupOwner = UserHandle.getSharedAppGid(uid); 9058 protectedFile = RES_FILE_NAME; 9059 } else { 9060 groupOwner = -1; 9061 protectedFile = null; 9062 } 9063 9064 if (uid < Process.FIRST_APPLICATION_UID 9065 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9066 Slog.e(TAG, "Failed to finalize " + cid); 9067 PackageHelper.destroySdDir(cid); 9068 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9069 } 9070 9071 boolean mounted = PackageHelper.isContainerMounted(cid); 9072 if (!mounted) { 9073 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9074 } 9075 } 9076 return status; 9077 } 9078 9079 private void cleanUp() { 9080 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9081 9082 // Destroy secure container 9083 PackageHelper.destroySdDir(cid); 9084 } 9085 9086 void cleanUpResourcesLI() { 9087 String sourceFile = getCodePath(); 9088 // Remove dex file 9089 if (instructionSet == null) { 9090 throw new IllegalStateException("instructionSet == null"); 9091 } 9092 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9093 if (retCode < 0) { 9094 Slog.w(TAG, "Couldn't remove dex file for package: " 9095 + " at location " 9096 + sourceFile.toString() + ", retcode=" + retCode); 9097 // we don't consider this to be a failure of the core package deletion 9098 } 9099 cleanUp(); 9100 } 9101 9102 boolean matchContainer(String app) { 9103 if (cid.startsWith(app)) { 9104 return true; 9105 } 9106 return false; 9107 } 9108 9109 String getPackageName() { 9110 return getAsecPackageName(cid); 9111 } 9112 9113 boolean doPostDeleteLI(boolean delete) { 9114 boolean ret = false; 9115 boolean mounted = PackageHelper.isContainerMounted(cid); 9116 if (mounted) { 9117 // Unmount first 9118 ret = PackageHelper.unMountSdDir(cid); 9119 } 9120 if (ret && delete) { 9121 cleanUpResourcesLI(); 9122 } 9123 return ret; 9124 } 9125 9126 @Override 9127 int doPreCopy() { 9128 if (isFwdLocked()) { 9129 if (!PackageHelper.fixSdPermissions(cid, 9130 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9131 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9132 } 9133 } 9134 9135 return PackageManager.INSTALL_SUCCEEDED; 9136 } 9137 9138 @Override 9139 int doPostCopy(int uid) { 9140 if (isFwdLocked()) { 9141 if (uid < Process.FIRST_APPLICATION_UID 9142 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9143 RES_FILE_NAME)) { 9144 Slog.e(TAG, "Failed to finalize " + cid); 9145 PackageHelper.destroySdDir(cid); 9146 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9147 } 9148 } 9149 9150 return PackageManager.INSTALL_SUCCEEDED; 9151 } 9152 }; 9153 9154 static String getAsecPackageName(String packageCid) { 9155 int idx = packageCid.lastIndexOf("-"); 9156 if (idx == -1) { 9157 return packageCid; 9158 } 9159 return packageCid.substring(0, idx); 9160 } 9161 9162 // Utility method used to create code paths based on package name and available index. 9163 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9164 String idxStr = ""; 9165 int idx = 1; 9166 // Fall back to default value of idx=1 if prefix is not 9167 // part of oldCodePath 9168 if (oldCodePath != null) { 9169 String subStr = oldCodePath; 9170 // Drop the suffix right away 9171 if (subStr.endsWith(suffix)) { 9172 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9173 } 9174 // If oldCodePath already contains prefix find out the 9175 // ending index to either increment or decrement. 9176 int sidx = subStr.lastIndexOf(prefix); 9177 if (sidx != -1) { 9178 subStr = subStr.substring(sidx + prefix.length()); 9179 if (subStr != null) { 9180 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9181 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9182 } 9183 try { 9184 idx = Integer.parseInt(subStr); 9185 if (idx <= 1) { 9186 idx++; 9187 } else { 9188 idx--; 9189 } 9190 } catch(NumberFormatException e) { 9191 } 9192 } 9193 } 9194 } 9195 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9196 return prefix + idxStr; 9197 } 9198 9199 // Utility method used to ignore ADD/REMOVE events 9200 // by directory observer. 9201 private static boolean ignoreCodePath(String fullPathStr) { 9202 String apkName = getApkName(fullPathStr); 9203 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9204 if (idx != -1 && ((idx+1) < apkName.length())) { 9205 // Make sure the package ends with a numeral 9206 String version = apkName.substring(idx+1); 9207 try { 9208 Integer.parseInt(version); 9209 return true; 9210 } catch (NumberFormatException e) {} 9211 } 9212 return false; 9213 } 9214 9215 // Utility method that returns the relative package path with respect 9216 // to the installation directory. Like say for /data/data/com.test-1.apk 9217 // string com.test-1 is returned. 9218 static String getApkName(String codePath) { 9219 if (codePath == null) { 9220 return null; 9221 } 9222 int sidx = codePath.lastIndexOf("/"); 9223 int eidx = codePath.lastIndexOf("."); 9224 if (eidx == -1) { 9225 eidx = codePath.length(); 9226 } else if (eidx == 0) { 9227 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9228 return null; 9229 } 9230 return codePath.substring(sidx+1, eidx); 9231 } 9232 9233 class PackageInstalledInfo { 9234 String name; 9235 int uid; 9236 // The set of users that originally had this package installed. 9237 int[] origUsers; 9238 // The set of users that now have this package installed. 9239 int[] newUsers; 9240 PackageParser.Package pkg; 9241 int returnCode; 9242 PackageRemovedInfo removedInfo; 9243 } 9244 9245 /* 9246 * Install a non-existing package. 9247 */ 9248 private void installNewPackageLI(PackageParser.Package pkg, 9249 int parseFlags, int scanMode, UserHandle user, 9250 String installerPackageName, PackageInstalledInfo res) { 9251 // Remember this for later, in case we need to rollback this install 9252 String pkgName = pkg.packageName; 9253 9254 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9255 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9256 synchronized(mPackages) { 9257 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9258 // A package with the same name is already installed, though 9259 // it has been renamed to an older name. The package we 9260 // are trying to install should be installed as an update to 9261 // the existing one, but that has not been requested, so bail. 9262 Slog.w(TAG, "Attempt to re-install " + pkgName 9263 + " without first uninstalling package running as " 9264 + mSettings.mRenamedPackages.get(pkgName)); 9265 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9266 return; 9267 } 9268 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9269 // Don't allow installation over an existing package with the same name. 9270 Slog.w(TAG, "Attempt to re-install " + pkgName 9271 + " without first uninstalling."); 9272 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9273 return; 9274 } 9275 } 9276 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9277 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9278 System.currentTimeMillis(), user); 9279 if (newPackage == null) { 9280 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9281 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9282 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9283 } 9284 } else { 9285 updateSettingsLI(newPackage, 9286 installerPackageName, 9287 null, null, 9288 res); 9289 // delete the partially installed application. the data directory will have to be 9290 // restored if it was already existing 9291 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9292 // remove package from internal structures. Note that we want deletePackageX to 9293 // delete the package data and cache directories that it created in 9294 // scanPackageLocked, unless those directories existed before we even tried to 9295 // install. 9296 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9297 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9298 res.removedInfo, true); 9299 } 9300 } 9301 } 9302 9303 private void replacePackageLI(PackageParser.Package pkg, 9304 int parseFlags, int scanMode, UserHandle user, 9305 String installerPackageName, PackageInstalledInfo res) { 9306 9307 PackageParser.Package oldPackage; 9308 String pkgName = pkg.packageName; 9309 int[] allUsers; 9310 boolean[] perUserInstalled; 9311 9312 // First find the old package info and check signatures 9313 synchronized(mPackages) { 9314 oldPackage = mPackages.get(pkgName); 9315 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9316 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9317 != PackageManager.SIGNATURE_MATCH) { 9318 Slog.w(TAG, "New package has a different signature: " + pkgName); 9319 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9320 return; 9321 } 9322 9323 // In case of rollback, remember per-user/profile install state 9324 PackageSetting ps = mSettings.mPackages.get(pkgName); 9325 allUsers = sUserManager.getUserIds(); 9326 perUserInstalled = new boolean[allUsers.length]; 9327 for (int i = 0; i < allUsers.length; i++) { 9328 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9329 } 9330 } 9331 boolean sysPkg = (isSystemApp(oldPackage)); 9332 if (sysPkg) { 9333 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9334 user, allUsers, perUserInstalled, installerPackageName, res); 9335 } else { 9336 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9337 user, allUsers, perUserInstalled, installerPackageName, res); 9338 } 9339 } 9340 9341 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9342 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9343 int[] allUsers, boolean[] perUserInstalled, 9344 String installerPackageName, PackageInstalledInfo res) { 9345 PackageParser.Package newPackage = null; 9346 String pkgName = deletedPackage.packageName; 9347 boolean deletedPkg = true; 9348 boolean updatedSettings = false; 9349 9350 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9351 + deletedPackage); 9352 long origUpdateTime; 9353 if (pkg.mExtras != null) { 9354 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9355 } else { 9356 origUpdateTime = 0; 9357 } 9358 9359 // First delete the existing package while retaining the data directory 9360 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9361 res.removedInfo, true)) { 9362 // If the existing package wasn't successfully deleted 9363 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9364 deletedPkg = false; 9365 } else { 9366 // Successfully deleted the old package. Now proceed with re-installation 9367 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9368 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9369 System.currentTimeMillis(), user); 9370 if (newPackage == null) { 9371 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9372 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9373 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9374 } 9375 } else { 9376 updateSettingsLI(newPackage, 9377 installerPackageName, 9378 allUsers, perUserInstalled, 9379 res); 9380 updatedSettings = true; 9381 } 9382 } 9383 9384 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9385 // remove package from internal structures. Note that we want deletePackageX to 9386 // delete the package data and cache directories that it created in 9387 // scanPackageLocked, unless those directories existed before we even tried to 9388 // install. 9389 if(updatedSettings) { 9390 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9391 deletePackageLI( 9392 pkgName, null, true, allUsers, perUserInstalled, 9393 PackageManager.DELETE_KEEP_DATA, 9394 res.removedInfo, true); 9395 } 9396 // Since we failed to install the new package we need to restore the old 9397 // package that we deleted. 9398 if(deletedPkg) { 9399 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9400 File restoreFile = new File(deletedPackage.mPath); 9401 // Parse old package 9402 boolean oldOnSd = isExternal(deletedPackage); 9403 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9404 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9405 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9406 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9407 | SCAN_UPDATE_TIME; 9408 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9409 origUpdateTime, null) == null) { 9410 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9411 return; 9412 } 9413 // Restore of old package succeeded. Update permissions. 9414 // writer 9415 synchronized (mPackages) { 9416 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9417 UPDATE_PERMISSIONS_ALL); 9418 // can downgrade to reader 9419 mSettings.writeLPr(); 9420 } 9421 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9422 } 9423 } 9424 } 9425 9426 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9427 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9428 int[] allUsers, boolean[] perUserInstalled, 9429 String installerPackageName, PackageInstalledInfo res) { 9430 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9431 + ", old=" + deletedPackage); 9432 PackageParser.Package newPackage = null; 9433 boolean updatedSettings = false; 9434 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9435 PackageParser.PARSE_IS_SYSTEM; 9436 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9437 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9438 } 9439 String packageName = deletedPackage.packageName; 9440 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9441 if (packageName == null) { 9442 Slog.w(TAG, "Attempt to delete null packageName."); 9443 return; 9444 } 9445 PackageParser.Package oldPkg; 9446 PackageSetting oldPkgSetting; 9447 // reader 9448 synchronized (mPackages) { 9449 oldPkg = mPackages.get(packageName); 9450 oldPkgSetting = mSettings.mPackages.get(packageName); 9451 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9452 (oldPkgSetting == null)) { 9453 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9454 return; 9455 } 9456 } 9457 9458 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9459 9460 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9461 res.removedInfo.removedPackage = packageName; 9462 // Remove existing system package 9463 removePackageLI(oldPkgSetting, true); 9464 // writer 9465 synchronized (mPackages) { 9466 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9467 // We didn't need to disable the .apk as a current system package, 9468 // which means we are replacing another update that is already 9469 // installed. We need to make sure to delete the older one's .apk. 9470 res.removedInfo.args = createInstallArgs(0, 9471 deletedPackage.applicationInfo.sourceDir, 9472 deletedPackage.applicationInfo.publicSourceDir, 9473 deletedPackage.applicationInfo.nativeLibraryDir, 9474 getAppInstructionSet(deletedPackage.applicationInfo)); 9475 } else { 9476 res.removedInfo.args = null; 9477 } 9478 } 9479 9480 // Successfully disabled the old package. Now proceed with re-installation 9481 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9482 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9483 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9484 if (newPackage == null) { 9485 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9486 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9487 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9488 } 9489 } else { 9490 if (newPackage.mExtras != null) { 9491 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9492 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9493 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9494 } 9495 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9496 updatedSettings = true; 9497 } 9498 9499 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9500 // Re installation failed. Restore old information 9501 // Remove new pkg information 9502 if (newPackage != null) { 9503 removeInstalledPackageLI(newPackage, true); 9504 } 9505 // Add back the old system package 9506 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9507 // Restore the old system information in Settings 9508 synchronized(mPackages) { 9509 if (updatedSettings) { 9510 mSettings.enableSystemPackageLPw(packageName); 9511 mSettings.setInstallerPackageName(packageName, 9512 oldPkgSetting.installerPackageName); 9513 } 9514 mSettings.writeLPr(); 9515 } 9516 } 9517 } 9518 9519 // Utility method used to move dex files during install. 9520 private int moveDexFilesLI(PackageParser.Package newPackage) { 9521 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9522 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 9523 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9524 instructionSet); 9525 if (retCode != 0) { 9526 /* 9527 * Programs may be lazily run through dexopt, so the 9528 * source may not exist. However, something seems to 9529 * have gone wrong, so note that dexopt needs to be 9530 * run again and remove the source file. In addition, 9531 * remove the target to make sure there isn't a stale 9532 * file from a previous version of the package. 9533 */ 9534 newPackage.mDexOptNeeded = true; 9535 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 9536 mInstaller.rmdex(newPackage.mPath, instructionSet); 9537 } 9538 } 9539 return PackageManager.INSTALL_SUCCEEDED; 9540 } 9541 9542 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9543 int[] allUsers, boolean[] perUserInstalled, 9544 PackageInstalledInfo res) { 9545 String pkgName = newPackage.packageName; 9546 synchronized (mPackages) { 9547 //write settings. the installStatus will be incomplete at this stage. 9548 //note that the new package setting would have already been 9549 //added to mPackages. It hasn't been persisted yet. 9550 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9551 mSettings.writeLPr(); 9552 } 9553 9554 if ((res.returnCode = moveDexFilesLI(newPackage)) 9555 != PackageManager.INSTALL_SUCCEEDED) { 9556 // Discontinue if moving dex files failed. 9557 return; 9558 } 9559 9560 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9561 9562 synchronized (mPackages) { 9563 updatePermissionsLPw(newPackage.packageName, newPackage, 9564 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9565 ? UPDATE_PERMISSIONS_ALL : 0)); 9566 // For system-bundled packages, we assume that installing an upgraded version 9567 // of the package implies that the user actually wants to run that new code, 9568 // so we enable the package. 9569 if (isSystemApp(newPackage)) { 9570 // NB: implicit assumption that system package upgrades apply to all users 9571 if (DEBUG_INSTALL) { 9572 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9573 } 9574 PackageSetting ps = mSettings.mPackages.get(pkgName); 9575 if (ps != null) { 9576 if (res.origUsers != null) { 9577 for (int userHandle : res.origUsers) { 9578 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9579 userHandle, installerPackageName); 9580 } 9581 } 9582 // Also convey the prior install/uninstall state 9583 if (allUsers != null && perUserInstalled != null) { 9584 for (int i = 0; i < allUsers.length; i++) { 9585 if (DEBUG_INSTALL) { 9586 Slog.d(TAG, " user " + allUsers[i] 9587 + " => " + perUserInstalled[i]); 9588 } 9589 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9590 } 9591 // these install state changes will be persisted in the 9592 // upcoming call to mSettings.writeLPr(). 9593 } 9594 } 9595 } 9596 res.name = pkgName; 9597 res.uid = newPackage.applicationInfo.uid; 9598 res.pkg = newPackage; 9599 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9600 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9601 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9602 //to update install status 9603 mSettings.writeLPr(); 9604 } 9605 } 9606 9607 private void installPackageLI(InstallArgs args, 9608 boolean newInstall, PackageInstalledInfo res) { 9609 int pFlags = args.flags; 9610 String installerPackageName = args.installerPackageName; 9611 File tmpPackageFile = new File(args.getCodePath()); 9612 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9613 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9614 boolean replace = false; 9615 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9616 | (newInstall ? SCAN_NEW_INSTALL : 0); 9617 // Result object to be returned 9618 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9619 9620 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9621 // Retrieve PackageSettings and parse package 9622 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9623 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9624 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9625 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9626 pp.setSeparateProcesses(mSeparateProcesses); 9627 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9628 null, mMetrics, parseFlags); 9629 if (pkg == null) { 9630 res.returnCode = pp.getParseError(); 9631 return; 9632 } 9633 String pkgName = res.name = pkg.packageName; 9634 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9635 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9636 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9637 return; 9638 } 9639 } 9640 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9641 res.returnCode = pp.getParseError(); 9642 return; 9643 } 9644 9645 /* If the installer passed in a manifest digest, compare it now. */ 9646 if (args.manifestDigest != null) { 9647 if (DEBUG_INSTALL) { 9648 final String parsedManifest = pkg.manifestDigest == null ? "null" 9649 : pkg.manifestDigest.toString(); 9650 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9651 + parsedManifest); 9652 } 9653 9654 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9655 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9656 return; 9657 } 9658 } else if (DEBUG_INSTALL) { 9659 final String parsedManifest = pkg.manifestDigest == null 9660 ? "null" : pkg.manifestDigest.toString(); 9661 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9662 } 9663 9664 // Get rid of all references to package scan path via parser. 9665 pp = null; 9666 String oldCodePath = null; 9667 boolean systemApp = false; 9668 synchronized (mPackages) { 9669 // Check if installing already existing package 9670 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9671 String oldName = mSettings.mRenamedPackages.get(pkgName); 9672 if (pkg.mOriginalPackages != null 9673 && pkg.mOriginalPackages.contains(oldName) 9674 && mPackages.containsKey(oldName)) { 9675 // This package is derived from an original package, 9676 // and this device has been updating from that original 9677 // name. We must continue using the original name, so 9678 // rename the new package here. 9679 pkg.setPackageName(oldName); 9680 pkgName = pkg.packageName; 9681 replace = true; 9682 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9683 + oldName + " pkgName=" + pkgName); 9684 } else if (mPackages.containsKey(pkgName)) { 9685 // This package, under its official name, already exists 9686 // on the device; we should replace it. 9687 replace = true; 9688 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9689 } 9690 } 9691 PackageSetting ps = mSettings.mPackages.get(pkgName); 9692 if (ps != null) { 9693 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9694 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9695 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9696 systemApp = (ps.pkg.applicationInfo.flags & 9697 ApplicationInfo.FLAG_SYSTEM) != 0; 9698 } 9699 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9700 } 9701 } 9702 9703 if (systemApp && onSd) { 9704 // Disable updates to system apps on sdcard 9705 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9706 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9707 return; 9708 } 9709 9710 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9711 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9712 return; 9713 } 9714 // Set application objects path explicitly after the rename 9715 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9716 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9717 if (replace) { 9718 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9719 installerPackageName, res); 9720 } else { 9721 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9722 installerPackageName, res); 9723 } 9724 synchronized (mPackages) { 9725 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9726 if (ps != null) { 9727 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9728 } 9729 } 9730 } 9731 9732 private static boolean isForwardLocked(PackageParser.Package pkg) { 9733 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9734 } 9735 9736 9737 private boolean isForwardLocked(PackageSetting ps) { 9738 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9739 } 9740 9741 private static boolean isExternal(PackageParser.Package pkg) { 9742 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9743 } 9744 9745 private static boolean isExternal(PackageSetting ps) { 9746 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9747 } 9748 9749 private static boolean isSystemApp(PackageParser.Package pkg) { 9750 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9751 } 9752 9753 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9754 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9755 } 9756 9757 private static boolean isSystemApp(ApplicationInfo info) { 9758 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9759 } 9760 9761 private static boolean isSystemApp(PackageSetting ps) { 9762 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9763 } 9764 9765 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9766 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9767 } 9768 9769 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9770 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9771 } 9772 9773 private int packageFlagsToInstallFlags(PackageSetting ps) { 9774 int installFlags = 0; 9775 if (isExternal(ps)) { 9776 installFlags |= PackageManager.INSTALL_EXTERNAL; 9777 } 9778 if (isForwardLocked(ps)) { 9779 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9780 } 9781 return installFlags; 9782 } 9783 9784 private void deleteTempPackageFiles() { 9785 final FilenameFilter filter = new FilenameFilter() { 9786 public boolean accept(File dir, String name) { 9787 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9788 } 9789 }; 9790 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9791 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9792 } 9793 9794 private static final void deleteTempPackageFilesInDirectory(File directory, 9795 FilenameFilter filter) { 9796 final String[] tmpFilesList = directory.list(filter); 9797 if (tmpFilesList == null) { 9798 return; 9799 } 9800 for (int i = 0; i < tmpFilesList.length; i++) { 9801 final File tmpFile = new File(directory, tmpFilesList[i]); 9802 tmpFile.delete(); 9803 } 9804 } 9805 9806 private File createTempPackageFile(File installDir) { 9807 File tmpPackageFile; 9808 try { 9809 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9810 } catch (IOException e) { 9811 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9812 return null; 9813 } 9814 try { 9815 FileUtils.setPermissions( 9816 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9817 -1, -1); 9818 if (!SELinux.restorecon(tmpPackageFile)) { 9819 return null; 9820 } 9821 } catch (IOException e) { 9822 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9823 return null; 9824 } 9825 return tmpPackageFile; 9826 } 9827 9828 @Override 9829 public void deletePackageAsUser(final String packageName, 9830 final IPackageDeleteObserver observer, 9831 final int userId, final int flags) { 9832 mContext.enforceCallingOrSelfPermission( 9833 android.Manifest.permission.DELETE_PACKAGES, null); 9834 final int uid = Binder.getCallingUid(); 9835 if (UserHandle.getUserId(uid) != userId) { 9836 mContext.enforceCallingPermission( 9837 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9838 "deletePackage for user " + userId); 9839 } 9840 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9841 try { 9842 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9843 } catch (RemoteException re) { 9844 } 9845 return; 9846 } 9847 9848 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9849 // Queue up an async operation since the package deletion may take a little while. 9850 mHandler.post(new Runnable() { 9851 public void run() { 9852 mHandler.removeCallbacks(this); 9853 final int returnCode = deletePackageX(packageName, userId, flags); 9854 if (observer != null) { 9855 try { 9856 observer.packageDeleted(packageName, returnCode); 9857 } catch (RemoteException e) { 9858 Log.i(TAG, "Observer no longer exists."); 9859 } //end catch 9860 } //end if 9861 } //end run 9862 }); 9863 } 9864 9865 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9866 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9867 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9868 try { 9869 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9870 || dpm.isDeviceOwner(packageName))) { 9871 return true; 9872 } 9873 } catch (RemoteException e) { 9874 } 9875 return false; 9876 } 9877 9878 /** 9879 * This method is an internal method that could be get invoked either 9880 * to delete an installed package or to clean up a failed installation. 9881 * After deleting an installed package, a broadcast is sent to notify any 9882 * listeners that the package has been installed. For cleaning up a failed 9883 * installation, the broadcast is not necessary since the package's 9884 * installation wouldn't have sent the initial broadcast either 9885 * The key steps in deleting a package are 9886 * deleting the package information in internal structures like mPackages, 9887 * deleting the packages base directories through installd 9888 * updating mSettings to reflect current status 9889 * persisting settings for later use 9890 * sending a broadcast if necessary 9891 */ 9892 private int deletePackageX(String packageName, int userId, int flags) { 9893 final PackageRemovedInfo info = new PackageRemovedInfo(); 9894 final boolean res; 9895 9896 if (isPackageDeviceAdmin(packageName, userId)) { 9897 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9898 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9899 } 9900 9901 boolean removedForAllUsers = false; 9902 boolean systemUpdate = false; 9903 9904 // for the uninstall-updates case and restricted profiles, remember the per- 9905 // userhandle installed state 9906 int[] allUsers; 9907 boolean[] perUserInstalled; 9908 synchronized (mPackages) { 9909 PackageSetting ps = mSettings.mPackages.get(packageName); 9910 allUsers = sUserManager.getUserIds(); 9911 perUserInstalled = new boolean[allUsers.length]; 9912 for (int i = 0; i < allUsers.length; i++) { 9913 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9914 } 9915 } 9916 9917 synchronized (mInstallLock) { 9918 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9919 res = deletePackageLI(packageName, 9920 (flags & PackageManager.DELETE_ALL_USERS) != 0 9921 ? UserHandle.ALL : new UserHandle(userId), 9922 true, allUsers, perUserInstalled, 9923 flags | REMOVE_CHATTY, info, true); 9924 systemUpdate = info.isRemovedPackageSystemUpdate; 9925 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9926 removedForAllUsers = true; 9927 } 9928 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9929 + " removedForAllUsers=" + removedForAllUsers); 9930 } 9931 9932 if (res) { 9933 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9934 9935 // If the removed package was a system update, the old system package 9936 // was re-enabled; we need to broadcast this information 9937 if (systemUpdate) { 9938 Bundle extras = new Bundle(1); 9939 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9940 ? info.removedAppId : info.uid); 9941 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9942 9943 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9944 extras, null, null, null); 9945 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9946 extras, null, null, null); 9947 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9948 null, packageName, null, null); 9949 } 9950 } 9951 // Force a gc here. 9952 Runtime.getRuntime().gc(); 9953 // Delete the resources here after sending the broadcast to let 9954 // other processes clean up before deleting resources. 9955 if (info.args != null) { 9956 synchronized (mInstallLock) { 9957 info.args.doPostDeleteLI(true); 9958 } 9959 } 9960 9961 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9962 } 9963 9964 static class PackageRemovedInfo { 9965 String removedPackage; 9966 int uid = -1; 9967 int removedAppId = -1; 9968 int[] removedUsers = null; 9969 boolean isRemovedPackageSystemUpdate = false; 9970 // Clean up resources deleted packages. 9971 InstallArgs args = null; 9972 9973 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9974 Bundle extras = new Bundle(1); 9975 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9976 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9977 if (replacing) { 9978 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9979 } 9980 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9981 if (removedPackage != null) { 9982 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9983 extras, null, null, removedUsers); 9984 if (fullRemove && !replacing) { 9985 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9986 extras, null, null, removedUsers); 9987 } 9988 } 9989 if (removedAppId >= 0) { 9990 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9991 removedUsers); 9992 } 9993 } 9994 } 9995 9996 /* 9997 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9998 * flag is not set, the data directory is removed as well. 9999 * make sure this flag is set for partially installed apps. If not its meaningless to 10000 * delete a partially installed application. 10001 */ 10002 private void removePackageDataLI(PackageSetting ps, 10003 int[] allUserHandles, boolean[] perUserInstalled, 10004 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10005 String packageName = ps.name; 10006 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10007 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10008 // Retrieve object to delete permissions for shared user later on 10009 final PackageSetting deletedPs; 10010 // reader 10011 synchronized (mPackages) { 10012 deletedPs = mSettings.mPackages.get(packageName); 10013 if (outInfo != null) { 10014 outInfo.removedPackage = packageName; 10015 outInfo.removedUsers = deletedPs != null 10016 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10017 : null; 10018 } 10019 } 10020 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10021 removeDataDirsLI(packageName); 10022 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10023 } 10024 // writer 10025 synchronized (mPackages) { 10026 if (deletedPs != null) { 10027 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10028 if (outInfo != null) { 10029 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10030 } 10031 if (deletedPs != null) { 10032 updatePermissionsLPw(deletedPs.name, null, 0); 10033 if (deletedPs.sharedUser != null) { 10034 // remove permissions associated with package 10035 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10036 } 10037 } 10038 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10039 } 10040 // make sure to preserve per-user disabled state if this removal was just 10041 // a downgrade of a system app to the factory package 10042 if (allUserHandles != null && perUserInstalled != null) { 10043 if (DEBUG_REMOVE) { 10044 Slog.d(TAG, "Propagating install state across downgrade"); 10045 } 10046 for (int i = 0; i < allUserHandles.length; i++) { 10047 if (DEBUG_REMOVE) { 10048 Slog.d(TAG, " user " + allUserHandles[i] 10049 + " => " + perUserInstalled[i]); 10050 } 10051 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10052 } 10053 } 10054 } 10055 // can downgrade to reader 10056 if (writeSettings) { 10057 // Save settings now 10058 mSettings.writeLPr(); 10059 } 10060 } 10061 if (outInfo != null) { 10062 // A user ID was deleted here. Go through all users and remove it 10063 // from KeyStore. 10064 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10065 } 10066 } 10067 10068 static boolean locationIsPrivileged(File path) { 10069 try { 10070 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10071 .getCanonicalPath(); 10072 return path.getCanonicalPath().startsWith(privilegedAppDir); 10073 } catch (IOException e) { 10074 Slog.e(TAG, "Unable to access code path " + path); 10075 } 10076 return false; 10077 } 10078 10079 /* 10080 * Tries to delete system package. 10081 */ 10082 private boolean deleteSystemPackageLI(PackageSetting newPs, 10083 int[] allUserHandles, boolean[] perUserInstalled, 10084 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10085 final boolean applyUserRestrictions 10086 = (allUserHandles != null) && (perUserInstalled != null); 10087 PackageSetting disabledPs = null; 10088 // Confirm if the system package has been updated 10089 // An updated system app can be deleted. This will also have to restore 10090 // the system pkg from system partition 10091 // reader 10092 synchronized (mPackages) { 10093 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10094 } 10095 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10096 + " disabledPs=" + disabledPs); 10097 if (disabledPs == null) { 10098 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10099 return false; 10100 } else if (DEBUG_REMOVE) { 10101 Slog.d(TAG, "Deleting system pkg from data partition"); 10102 } 10103 if (DEBUG_REMOVE) { 10104 if (applyUserRestrictions) { 10105 Slog.d(TAG, "Remembering install states:"); 10106 for (int i = 0; i < allUserHandles.length; i++) { 10107 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10108 } 10109 } 10110 } 10111 // Delete the updated package 10112 outInfo.isRemovedPackageSystemUpdate = true; 10113 if (disabledPs.versionCode < newPs.versionCode) { 10114 // Delete data for downgrades 10115 flags &= ~PackageManager.DELETE_KEEP_DATA; 10116 } else { 10117 // Preserve data by setting flag 10118 flags |= PackageManager.DELETE_KEEP_DATA; 10119 } 10120 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10121 allUserHandles, perUserInstalled, outInfo, writeSettings); 10122 if (!ret) { 10123 return false; 10124 } 10125 // writer 10126 synchronized (mPackages) { 10127 // Reinstate the old system package 10128 mSettings.enableSystemPackageLPw(newPs.name); 10129 // Remove any native libraries from the upgraded package. 10130 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10131 } 10132 // Install the system package 10133 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10134 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10135 if (locationIsPrivileged(disabledPs.codePath)) { 10136 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10137 } 10138 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10139 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10140 10141 if (newPkg == null) { 10142 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10143 + " with error:" + mLastScanError); 10144 return false; 10145 } 10146 // writer 10147 synchronized (mPackages) { 10148 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10149 setInternalAppNativeLibraryPath(newPkg, ps); 10150 updatePermissionsLPw(newPkg.packageName, newPkg, 10151 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10152 if (applyUserRestrictions) { 10153 if (DEBUG_REMOVE) { 10154 Slog.d(TAG, "Propagating install state across reinstall"); 10155 } 10156 for (int i = 0; i < allUserHandles.length; i++) { 10157 if (DEBUG_REMOVE) { 10158 Slog.d(TAG, " user " + allUserHandles[i] 10159 + " => " + perUserInstalled[i]); 10160 } 10161 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10162 } 10163 // Regardless of writeSettings we need to ensure that this restriction 10164 // state propagation is persisted 10165 mSettings.writeAllUsersPackageRestrictionsLPr(); 10166 } 10167 // can downgrade to reader here 10168 if (writeSettings) { 10169 mSettings.writeLPr(); 10170 } 10171 } 10172 return true; 10173 } 10174 10175 private boolean deleteInstalledPackageLI(PackageSetting ps, 10176 boolean deleteCodeAndResources, int flags, 10177 int[] allUserHandles, boolean[] perUserInstalled, 10178 PackageRemovedInfo outInfo, boolean writeSettings) { 10179 if (outInfo != null) { 10180 outInfo.uid = ps.appId; 10181 } 10182 10183 // Delete package data from internal structures and also remove data if flag is set 10184 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10185 10186 // Delete application code and resources 10187 if (deleteCodeAndResources && (outInfo != null)) { 10188 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10189 ps.resourcePathString, ps.nativeLibraryPathString, 10190 getAppInstructionSetFromSettings(ps)); 10191 } 10192 return true; 10193 } 10194 10195 /* 10196 * This method handles package deletion in general 10197 */ 10198 private boolean deletePackageLI(String packageName, UserHandle user, 10199 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10200 int flags, PackageRemovedInfo outInfo, 10201 boolean writeSettings) { 10202 if (packageName == null) { 10203 Slog.w(TAG, "Attempt to delete null packageName."); 10204 return false; 10205 } 10206 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10207 PackageSetting ps; 10208 boolean dataOnly = false; 10209 int removeUser = -1; 10210 int appId = -1; 10211 synchronized (mPackages) { 10212 ps = mSettings.mPackages.get(packageName); 10213 if (ps == null) { 10214 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10215 return false; 10216 } 10217 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10218 && user.getIdentifier() != UserHandle.USER_ALL) { 10219 // The caller is asking that the package only be deleted for a single 10220 // user. To do this, we just mark its uninstalled state and delete 10221 // its data. If this is a system app, we only allow this to happen if 10222 // they have set the special DELETE_SYSTEM_APP which requests different 10223 // semantics than normal for uninstalling system apps. 10224 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10225 ps.setUserState(user.getIdentifier(), 10226 COMPONENT_ENABLED_STATE_DEFAULT, 10227 false, //installed 10228 true, //stopped 10229 true, //notLaunched 10230 false, //blocked 10231 null, null, null); 10232 if (!isSystemApp(ps)) { 10233 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10234 // Other user still have this package installed, so all 10235 // we need to do is clear this user's data and save that 10236 // it is uninstalled. 10237 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10238 removeUser = user.getIdentifier(); 10239 appId = ps.appId; 10240 mSettings.writePackageRestrictionsLPr(removeUser); 10241 } else { 10242 // We need to set it back to 'installed' so the uninstall 10243 // broadcasts will be sent correctly. 10244 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10245 ps.setInstalled(true, user.getIdentifier()); 10246 } 10247 } else { 10248 // This is a system app, so we assume that the 10249 // other users still have this package installed, so all 10250 // we need to do is clear this user's data and save that 10251 // it is uninstalled. 10252 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10253 removeUser = user.getIdentifier(); 10254 appId = ps.appId; 10255 mSettings.writePackageRestrictionsLPr(removeUser); 10256 } 10257 } 10258 } 10259 10260 if (removeUser >= 0) { 10261 // From above, we determined that we are deleting this only 10262 // for a single user. Continue the work here. 10263 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10264 if (outInfo != null) { 10265 outInfo.removedPackage = packageName; 10266 outInfo.removedAppId = appId; 10267 outInfo.removedUsers = new int[] {removeUser}; 10268 } 10269 mInstaller.clearUserData(packageName, removeUser); 10270 removeKeystoreDataIfNeeded(removeUser, appId); 10271 schedulePackageCleaning(packageName, removeUser, false); 10272 return true; 10273 } 10274 10275 if (dataOnly) { 10276 // Delete application data first 10277 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10278 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10279 return true; 10280 } 10281 10282 boolean ret = false; 10283 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10284 if (isSystemApp(ps)) { 10285 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10286 // When an updated system application is deleted we delete the existing resources as well and 10287 // fall back to existing code in system partition 10288 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10289 flags, outInfo, writeSettings); 10290 } else { 10291 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10292 // Kill application pre-emptively especially for apps on sd. 10293 killApplication(packageName, ps.appId, "uninstall pkg"); 10294 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10295 allUserHandles, perUserInstalled, 10296 outInfo, writeSettings); 10297 } 10298 10299 return ret; 10300 } 10301 10302 private final class ClearStorageConnection implements ServiceConnection { 10303 IMediaContainerService mContainerService; 10304 10305 @Override 10306 public void onServiceConnected(ComponentName name, IBinder service) { 10307 synchronized (this) { 10308 mContainerService = IMediaContainerService.Stub.asInterface(service); 10309 notifyAll(); 10310 } 10311 } 10312 10313 @Override 10314 public void onServiceDisconnected(ComponentName name) { 10315 } 10316 } 10317 10318 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10319 final boolean mounted; 10320 if (Environment.isExternalStorageEmulated()) { 10321 mounted = true; 10322 } else { 10323 final String status = Environment.getExternalStorageState(); 10324 10325 mounted = status.equals(Environment.MEDIA_MOUNTED) 10326 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10327 } 10328 10329 if (!mounted) { 10330 return; 10331 } 10332 10333 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10334 int[] users; 10335 if (userId == UserHandle.USER_ALL) { 10336 users = sUserManager.getUserIds(); 10337 } else { 10338 users = new int[] { userId }; 10339 } 10340 final ClearStorageConnection conn = new ClearStorageConnection(); 10341 if (mContext.bindServiceAsUser( 10342 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10343 try { 10344 for (int curUser : users) { 10345 long timeout = SystemClock.uptimeMillis() + 5000; 10346 synchronized (conn) { 10347 long now = SystemClock.uptimeMillis(); 10348 while (conn.mContainerService == null && now < timeout) { 10349 try { 10350 conn.wait(timeout - now); 10351 } catch (InterruptedException e) { 10352 } 10353 } 10354 } 10355 if (conn.mContainerService == null) { 10356 return; 10357 } 10358 10359 final UserEnvironment userEnv = new UserEnvironment(curUser); 10360 clearDirectory(conn.mContainerService, 10361 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10362 if (allData) { 10363 clearDirectory(conn.mContainerService, 10364 userEnv.buildExternalStorageAppDataDirs(packageName)); 10365 clearDirectory(conn.mContainerService, 10366 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10367 } 10368 } 10369 } finally { 10370 mContext.unbindService(conn); 10371 } 10372 } 10373 } 10374 10375 @Override 10376 public void clearApplicationUserData(final String packageName, 10377 final IPackageDataObserver observer, final int userId) { 10378 mContext.enforceCallingOrSelfPermission( 10379 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10380 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10381 // Queue up an async operation since the package deletion may take a little while. 10382 mHandler.post(new Runnable() { 10383 public void run() { 10384 mHandler.removeCallbacks(this); 10385 final boolean succeeded; 10386 synchronized (mInstallLock) { 10387 succeeded = clearApplicationUserDataLI(packageName, userId); 10388 } 10389 clearExternalStorageDataSync(packageName, userId, true); 10390 if (succeeded) { 10391 // invoke DeviceStorageMonitor's update method to clear any notifications 10392 DeviceStorageMonitorInternal 10393 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10394 if (dsm != null) { 10395 dsm.checkMemory(); 10396 } 10397 } 10398 if(observer != null) { 10399 try { 10400 observer.onRemoveCompleted(packageName, succeeded); 10401 } catch (RemoteException e) { 10402 Log.i(TAG, "Observer no longer exists."); 10403 } 10404 } //end if observer 10405 } //end run 10406 }); 10407 } 10408 10409 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10410 if (packageName == null) { 10411 Slog.w(TAG, "Attempt to delete null packageName."); 10412 return false; 10413 } 10414 PackageParser.Package p; 10415 boolean dataOnly = false; 10416 final int appId; 10417 synchronized (mPackages) { 10418 p = mPackages.get(packageName); 10419 if (p == null) { 10420 dataOnly = true; 10421 PackageSetting ps = mSettings.mPackages.get(packageName); 10422 if ((ps == null) || (ps.pkg == null)) { 10423 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10424 return false; 10425 } 10426 p = ps.pkg; 10427 } 10428 if (!dataOnly) { 10429 // need to check this only for fully installed applications 10430 if (p == null) { 10431 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10432 return false; 10433 } 10434 final ApplicationInfo applicationInfo = p.applicationInfo; 10435 if (applicationInfo == null) { 10436 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10437 return false; 10438 } 10439 } 10440 if (p != null && p.applicationInfo != null) { 10441 appId = p.applicationInfo.uid; 10442 } else { 10443 appId = -1; 10444 } 10445 } 10446 int retCode = mInstaller.clearUserData(packageName, userId); 10447 if (retCode < 0) { 10448 Slog.w(TAG, "Couldn't remove cache files for package: " 10449 + packageName); 10450 return false; 10451 } 10452 removeKeystoreDataIfNeeded(userId, appId); 10453 return true; 10454 } 10455 10456 /** 10457 * Remove entries from the keystore daemon. Will only remove it if the 10458 * {@code appId} is valid. 10459 */ 10460 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10461 if (appId < 0) { 10462 return; 10463 } 10464 10465 final KeyStore keyStore = KeyStore.getInstance(); 10466 if (keyStore != null) { 10467 if (userId == UserHandle.USER_ALL) { 10468 for (final int individual : sUserManager.getUserIds()) { 10469 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10470 } 10471 } else { 10472 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10473 } 10474 } else { 10475 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10476 } 10477 } 10478 10479 public void deleteApplicationCacheFiles(final String packageName, 10480 final IPackageDataObserver observer) { 10481 mContext.enforceCallingOrSelfPermission( 10482 android.Manifest.permission.DELETE_CACHE_FILES, null); 10483 // Queue up an async operation since the package deletion may take a little while. 10484 final int userId = UserHandle.getCallingUserId(); 10485 mHandler.post(new Runnable() { 10486 public void run() { 10487 mHandler.removeCallbacks(this); 10488 final boolean succeded; 10489 synchronized (mInstallLock) { 10490 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10491 } 10492 clearExternalStorageDataSync(packageName, userId, false); 10493 if(observer != null) { 10494 try { 10495 observer.onRemoveCompleted(packageName, succeded); 10496 } catch (RemoteException e) { 10497 Log.i(TAG, "Observer no longer exists."); 10498 } 10499 } //end if observer 10500 } //end run 10501 }); 10502 } 10503 10504 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10505 if (packageName == null) { 10506 Slog.w(TAG, "Attempt to delete null packageName."); 10507 return false; 10508 } 10509 PackageParser.Package p; 10510 synchronized (mPackages) { 10511 p = mPackages.get(packageName); 10512 } 10513 if (p == null) { 10514 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10515 return false; 10516 } 10517 final ApplicationInfo applicationInfo = p.applicationInfo; 10518 if (applicationInfo == null) { 10519 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10520 return false; 10521 } 10522 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10523 if (retCode < 0) { 10524 Slog.w(TAG, "Couldn't remove cache files for package: " 10525 + packageName + " u" + userId); 10526 return false; 10527 } 10528 return true; 10529 } 10530 10531 public void getPackageSizeInfo(final String packageName, int userHandle, 10532 final IPackageStatsObserver observer) { 10533 mContext.enforceCallingOrSelfPermission( 10534 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10535 10536 PackageStats stats = new PackageStats(packageName, userHandle); 10537 10538 /* 10539 * Queue up an async operation since the package measurement may take a 10540 * little while. 10541 */ 10542 Message msg = mHandler.obtainMessage(INIT_COPY); 10543 msg.obj = new MeasureParams(stats, observer); 10544 mHandler.sendMessage(msg); 10545 } 10546 10547 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10548 PackageStats pStats) { 10549 if (packageName == null) { 10550 Slog.w(TAG, "Attempt to get size of null packageName."); 10551 return false; 10552 } 10553 PackageParser.Package p; 10554 boolean dataOnly = false; 10555 String libDirPath = null; 10556 String asecPath = null; 10557 PackageSetting ps = null; 10558 synchronized (mPackages) { 10559 p = mPackages.get(packageName); 10560 ps = mSettings.mPackages.get(packageName); 10561 if(p == null) { 10562 dataOnly = true; 10563 if((ps == null) || (ps.pkg == null)) { 10564 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10565 return false; 10566 } 10567 p = ps.pkg; 10568 } 10569 if (ps != null) { 10570 libDirPath = ps.nativeLibraryPathString; 10571 } 10572 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10573 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10574 if (secureContainerId != null) { 10575 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10576 } 10577 } 10578 } 10579 String publicSrcDir = null; 10580 if(!dataOnly) { 10581 final ApplicationInfo applicationInfo = p.applicationInfo; 10582 if (applicationInfo == null) { 10583 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10584 return false; 10585 } 10586 if (isForwardLocked(p)) { 10587 publicSrcDir = applicationInfo.publicSourceDir; 10588 } 10589 } 10590 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10591 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 10592 pStats); 10593 if (res < 0) { 10594 return false; 10595 } 10596 10597 // Fix-up for forward-locked applications in ASEC containers. 10598 if (!isExternal(p)) { 10599 pStats.codeSize += pStats.externalCodeSize; 10600 pStats.externalCodeSize = 0L; 10601 } 10602 10603 return true; 10604 } 10605 10606 10607 public void addPackageToPreferred(String packageName) { 10608 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10609 } 10610 10611 public void removePackageFromPreferred(String packageName) { 10612 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10613 } 10614 10615 public List<PackageInfo> getPreferredPackages(int flags) { 10616 return new ArrayList<PackageInfo>(); 10617 } 10618 10619 private int getUidTargetSdkVersionLockedLPr(int uid) { 10620 Object obj = mSettings.getUserIdLPr(uid); 10621 if (obj instanceof SharedUserSetting) { 10622 final SharedUserSetting sus = (SharedUserSetting) obj; 10623 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10624 final Iterator<PackageSetting> it = sus.packages.iterator(); 10625 while (it.hasNext()) { 10626 final PackageSetting ps = it.next(); 10627 if (ps.pkg != null) { 10628 int v = ps.pkg.applicationInfo.targetSdkVersion; 10629 if (v < vers) vers = v; 10630 } 10631 } 10632 return vers; 10633 } else if (obj instanceof PackageSetting) { 10634 final PackageSetting ps = (PackageSetting) obj; 10635 if (ps.pkg != null) { 10636 return ps.pkg.applicationInfo.targetSdkVersion; 10637 } 10638 } 10639 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10640 } 10641 10642 public void addPreferredActivity(IntentFilter filter, int match, 10643 ComponentName[] set, ComponentName activity, int userId) { 10644 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10645 } 10646 10647 private void addPreferredActivityInternal(IntentFilter filter, int match, 10648 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10649 // writer 10650 int callingUid = Binder.getCallingUid(); 10651 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10652 if (filter.countActions() == 0) { 10653 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10654 return; 10655 } 10656 synchronized (mPackages) { 10657 if (mContext.checkCallingOrSelfPermission( 10658 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10659 != PackageManager.PERMISSION_GRANTED) { 10660 if (getUidTargetSdkVersionLockedLPr(callingUid) 10661 < Build.VERSION_CODES.FROYO) { 10662 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10663 + callingUid); 10664 return; 10665 } 10666 mContext.enforceCallingOrSelfPermission( 10667 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10668 } 10669 10670 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10671 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10672 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10673 new PreferredActivity(filter, match, set, activity, always)); 10674 mSettings.writePackageRestrictionsLPr(userId); 10675 } 10676 } 10677 10678 public void replacePreferredActivity(IntentFilter filter, int match, 10679 ComponentName[] set, ComponentName activity) { 10680 if (filter.countActions() != 1) { 10681 throw new IllegalArgumentException( 10682 "replacePreferredActivity expects filter to have only 1 action."); 10683 } 10684 if (filter.countDataAuthorities() != 0 10685 || filter.countDataPaths() != 0 10686 || filter.countDataSchemes() > 1 10687 || filter.countDataTypes() != 0) { 10688 throw new IllegalArgumentException( 10689 "replacePreferredActivity expects filter to have no data authorities, " + 10690 "paths, or types; and at most one scheme."); 10691 } 10692 synchronized (mPackages) { 10693 if (mContext.checkCallingOrSelfPermission( 10694 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10695 != PackageManager.PERMISSION_GRANTED) { 10696 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10697 < Build.VERSION_CODES.FROYO) { 10698 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10699 + Binder.getCallingUid()); 10700 return; 10701 } 10702 mContext.enforceCallingOrSelfPermission( 10703 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10704 } 10705 10706 final int callingUserId = UserHandle.getCallingUserId(); 10707 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10708 if (pir != null) { 10709 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10710 if (filter.countDataSchemes() == 1) { 10711 Uri.Builder builder = new Uri.Builder(); 10712 builder.scheme(filter.getDataScheme(0)); 10713 intent.setData(builder.build()); 10714 } 10715 List<PreferredActivity> matches = pir.queryIntent( 10716 intent, null, true, callingUserId); 10717 if (DEBUG_PREFERRED) { 10718 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10719 } 10720 for (int i = 0; i < matches.size(); i++) { 10721 PreferredActivity pa = matches.get(i); 10722 if (DEBUG_PREFERRED) { 10723 Slog.i(TAG, "Removing preferred activity " 10724 + pa.mPref.mComponent + ":"); 10725 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10726 } 10727 pir.removeFilter(pa); 10728 } 10729 } 10730 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10731 } 10732 } 10733 10734 public void clearPackagePreferredActivities(String packageName) { 10735 final int uid = Binder.getCallingUid(); 10736 // writer 10737 synchronized (mPackages) { 10738 PackageParser.Package pkg = mPackages.get(packageName); 10739 if (pkg == null || pkg.applicationInfo.uid != uid) { 10740 if (mContext.checkCallingOrSelfPermission( 10741 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10742 != PackageManager.PERMISSION_GRANTED) { 10743 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10744 < Build.VERSION_CODES.FROYO) { 10745 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10746 + Binder.getCallingUid()); 10747 return; 10748 } 10749 mContext.enforceCallingOrSelfPermission( 10750 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10751 } 10752 } 10753 10754 int user = UserHandle.getCallingUserId(); 10755 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10756 mSettings.writePackageRestrictionsLPr(user); 10757 scheduleWriteSettingsLocked(); 10758 } 10759 } 10760 } 10761 10762 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10763 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10764 ArrayList<PreferredActivity> removed = null; 10765 boolean changed = false; 10766 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10767 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10768 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10769 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10770 continue; 10771 } 10772 Iterator<PreferredActivity> it = pir.filterIterator(); 10773 while (it.hasNext()) { 10774 PreferredActivity pa = it.next(); 10775 // Mark entry for removal only if it matches the package name 10776 // and the entry is of type "always". 10777 if (packageName == null || 10778 (pa.mPref.mComponent.getPackageName().equals(packageName) 10779 && pa.mPref.mAlways)) { 10780 if (removed == null) { 10781 removed = new ArrayList<PreferredActivity>(); 10782 } 10783 removed.add(pa); 10784 } 10785 } 10786 if (removed != null) { 10787 for (int j=0; j<removed.size(); j++) { 10788 PreferredActivity pa = removed.get(j); 10789 pir.removeFilter(pa); 10790 } 10791 changed = true; 10792 } 10793 } 10794 return changed; 10795 } 10796 10797 public void resetPreferredActivities(int userId) { 10798 mContext.enforceCallingOrSelfPermission( 10799 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10800 // writer 10801 synchronized (mPackages) { 10802 int user = UserHandle.getCallingUserId(); 10803 clearPackagePreferredActivitiesLPw(null, user); 10804 mSettings.readDefaultPreferredAppsLPw(this, user); 10805 mSettings.writePackageRestrictionsLPr(user); 10806 scheduleWriteSettingsLocked(); 10807 } 10808 } 10809 10810 public int getPreferredActivities(List<IntentFilter> outFilters, 10811 List<ComponentName> outActivities, String packageName) { 10812 10813 int num = 0; 10814 final int userId = UserHandle.getCallingUserId(); 10815 // reader 10816 synchronized (mPackages) { 10817 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10818 if (pir != null) { 10819 final Iterator<PreferredActivity> it = pir.filterIterator(); 10820 while (it.hasNext()) { 10821 final PreferredActivity pa = it.next(); 10822 if (packageName == null 10823 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10824 && pa.mPref.mAlways)) { 10825 if (outFilters != null) { 10826 outFilters.add(new IntentFilter(pa)); 10827 } 10828 if (outActivities != null) { 10829 outActivities.add(pa.mPref.mComponent); 10830 } 10831 } 10832 } 10833 } 10834 } 10835 10836 return num; 10837 } 10838 10839 @Override 10840 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10841 Intent intent = new Intent(Intent.ACTION_MAIN); 10842 intent.addCategory(Intent.CATEGORY_HOME); 10843 10844 final int callingUserId = UserHandle.getCallingUserId(); 10845 List<ResolveInfo> list = queryIntentActivities(intent, null, 10846 PackageManager.GET_META_DATA, callingUserId); 10847 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10848 true, false, false, callingUserId); 10849 10850 allHomeCandidates.clear(); 10851 if (list != null) { 10852 for (ResolveInfo ri : list) { 10853 allHomeCandidates.add(ri); 10854 } 10855 } 10856 return (preferred == null || preferred.activityInfo == null) 10857 ? null 10858 : new ComponentName(preferred.activityInfo.packageName, 10859 preferred.activityInfo.name); 10860 } 10861 10862 @Override 10863 public void setApplicationEnabledSetting(String appPackageName, 10864 int newState, int flags, int userId, String callingPackage) { 10865 if (!sUserManager.exists(userId)) return; 10866 if (callingPackage == null) { 10867 callingPackage = Integer.toString(Binder.getCallingUid()); 10868 } 10869 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10870 } 10871 10872 @Override 10873 public void setComponentEnabledSetting(ComponentName componentName, 10874 int newState, int flags, int userId) { 10875 if (!sUserManager.exists(userId)) return; 10876 setEnabledSetting(componentName.getPackageName(), 10877 componentName.getClassName(), newState, flags, userId, null); 10878 } 10879 10880 private void setEnabledSetting(final String packageName, String className, int newState, 10881 final int flags, int userId, String callingPackage) { 10882 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10883 || newState == COMPONENT_ENABLED_STATE_ENABLED 10884 || newState == COMPONENT_ENABLED_STATE_DISABLED 10885 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10886 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10887 throw new IllegalArgumentException("Invalid new component state: " 10888 + newState); 10889 } 10890 PackageSetting pkgSetting; 10891 final int uid = Binder.getCallingUid(); 10892 final int permission = mContext.checkCallingOrSelfPermission( 10893 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10894 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10895 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10896 boolean sendNow = false; 10897 boolean isApp = (className == null); 10898 String componentName = isApp ? packageName : className; 10899 int packageUid = -1; 10900 ArrayList<String> components; 10901 10902 // writer 10903 synchronized (mPackages) { 10904 pkgSetting = mSettings.mPackages.get(packageName); 10905 if (pkgSetting == null) { 10906 if (className == null) { 10907 throw new IllegalArgumentException( 10908 "Unknown package: " + packageName); 10909 } 10910 throw new IllegalArgumentException( 10911 "Unknown component: " + packageName 10912 + "/" + className); 10913 } 10914 // Allow root and verify that userId is not being specified by a different user 10915 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10916 throw new SecurityException( 10917 "Permission Denial: attempt to change component state from pid=" 10918 + Binder.getCallingPid() 10919 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10920 } 10921 if (className == null) { 10922 // We're dealing with an application/package level state change 10923 if (pkgSetting.getEnabled(userId) == newState) { 10924 // Nothing to do 10925 return; 10926 } 10927 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10928 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10929 // Don't care about who enables an app. 10930 callingPackage = null; 10931 } 10932 pkgSetting.setEnabled(newState, userId, callingPackage); 10933 // pkgSetting.pkg.mSetEnabled = newState; 10934 } else { 10935 // We're dealing with a component level state change 10936 // First, verify that this is a valid class name. 10937 PackageParser.Package pkg = pkgSetting.pkg; 10938 if (pkg == null || !pkg.hasComponentClassName(className)) { 10939 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10940 throw new IllegalArgumentException("Component class " + className 10941 + " does not exist in " + packageName); 10942 } else { 10943 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10944 + className + " does not exist in " + packageName); 10945 } 10946 } 10947 switch (newState) { 10948 case COMPONENT_ENABLED_STATE_ENABLED: 10949 if (!pkgSetting.enableComponentLPw(className, userId)) { 10950 return; 10951 } 10952 break; 10953 case COMPONENT_ENABLED_STATE_DISABLED: 10954 if (!pkgSetting.disableComponentLPw(className, userId)) { 10955 return; 10956 } 10957 break; 10958 case COMPONENT_ENABLED_STATE_DEFAULT: 10959 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10960 return; 10961 } 10962 break; 10963 default: 10964 Slog.e(TAG, "Invalid new component state: " + newState); 10965 return; 10966 } 10967 } 10968 mSettings.writePackageRestrictionsLPr(userId); 10969 components = mPendingBroadcasts.get(userId, packageName); 10970 final boolean newPackage = components == null; 10971 if (newPackage) { 10972 components = new ArrayList<String>(); 10973 } 10974 if (!components.contains(componentName)) { 10975 components.add(componentName); 10976 } 10977 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10978 sendNow = true; 10979 // Purge entry from pending broadcast list if another one exists already 10980 // since we are sending one right away. 10981 mPendingBroadcasts.remove(userId, packageName); 10982 } else { 10983 if (newPackage) { 10984 mPendingBroadcasts.put(userId, packageName, components); 10985 } 10986 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10987 // Schedule a message 10988 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10989 } 10990 } 10991 } 10992 10993 long callingId = Binder.clearCallingIdentity(); 10994 try { 10995 if (sendNow) { 10996 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10997 sendPackageChangedBroadcast(packageName, 10998 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10999 } 11000 } finally { 11001 Binder.restoreCallingIdentity(callingId); 11002 } 11003 } 11004 11005 private void sendPackageChangedBroadcast(String packageName, 11006 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11007 if (DEBUG_INSTALL) 11008 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11009 + componentNames); 11010 Bundle extras = new Bundle(4); 11011 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11012 String nameList[] = new String[componentNames.size()]; 11013 componentNames.toArray(nameList); 11014 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11015 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11016 extras.putInt(Intent.EXTRA_UID, packageUid); 11017 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11018 new int[] {UserHandle.getUserId(packageUid)}); 11019 } 11020 11021 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11022 if (!sUserManager.exists(userId)) return; 11023 final int uid = Binder.getCallingUid(); 11024 final int permission = mContext.checkCallingOrSelfPermission( 11025 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11026 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11027 enforceCrossUserPermission(uid, userId, true, "stop package"); 11028 // writer 11029 synchronized (mPackages) { 11030 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11031 uid, userId)) { 11032 scheduleWritePackageRestrictionsLocked(userId); 11033 } 11034 } 11035 } 11036 11037 public String getInstallerPackageName(String packageName) { 11038 // reader 11039 synchronized (mPackages) { 11040 return mSettings.getInstallerPackageNameLPr(packageName); 11041 } 11042 } 11043 11044 @Override 11045 public int getApplicationEnabledSetting(String packageName, int userId) { 11046 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11047 int uid = Binder.getCallingUid(); 11048 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11049 // reader 11050 synchronized (mPackages) { 11051 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11052 } 11053 } 11054 11055 @Override 11056 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11057 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11058 int uid = Binder.getCallingUid(); 11059 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11060 // reader 11061 synchronized (mPackages) { 11062 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11063 } 11064 } 11065 11066 public void enterSafeMode() { 11067 enforceSystemOrRoot("Only the system can request entering safe mode"); 11068 11069 if (!mSystemReady) { 11070 mSafeMode = true; 11071 } 11072 } 11073 11074 public void systemReady() { 11075 mSystemReady = true; 11076 11077 // Read the compatibilty setting when the system is ready. 11078 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11079 mContext.getContentResolver(), 11080 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11081 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11082 if (DEBUG_SETTINGS) { 11083 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11084 } 11085 11086 synchronized (mPackages) { 11087 // Verify that all of the preferred activity components actually 11088 // exist. It is possible for applications to be updated and at 11089 // that point remove a previously declared activity component that 11090 // had been set as a preferred activity. We try to clean this up 11091 // the next time we encounter that preferred activity, but it is 11092 // possible for the user flow to never be able to return to that 11093 // situation so here we do a sanity check to make sure we haven't 11094 // left any junk around. 11095 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11096 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11097 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11098 removed.clear(); 11099 for (PreferredActivity pa : pir.filterSet()) { 11100 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11101 removed.add(pa); 11102 } 11103 } 11104 if (removed.size() > 0) { 11105 for (int j=0; j<removed.size(); j++) { 11106 PreferredActivity pa = removed.get(i); 11107 Slog.w(TAG, "Removing dangling preferred activity: " 11108 + pa.mPref.mComponent); 11109 pir.removeFilter(pa); 11110 } 11111 mSettings.writePackageRestrictionsLPr( 11112 mSettings.mPreferredActivities.keyAt(i)); 11113 } 11114 } 11115 } 11116 sUserManager.systemReady(); 11117 } 11118 11119 public boolean isSafeMode() { 11120 return mSafeMode; 11121 } 11122 11123 public boolean hasSystemUidErrors() { 11124 return mHasSystemUidErrors; 11125 } 11126 11127 static String arrayToString(int[] array) { 11128 StringBuffer buf = new StringBuffer(128); 11129 buf.append('['); 11130 if (array != null) { 11131 for (int i=0; i<array.length; i++) { 11132 if (i > 0) buf.append(", "); 11133 buf.append(array[i]); 11134 } 11135 } 11136 buf.append(']'); 11137 return buf.toString(); 11138 } 11139 11140 static class DumpState { 11141 public static final int DUMP_LIBS = 1 << 0; 11142 11143 public static final int DUMP_FEATURES = 1 << 1; 11144 11145 public static final int DUMP_RESOLVERS = 1 << 2; 11146 11147 public static final int DUMP_PERMISSIONS = 1 << 3; 11148 11149 public static final int DUMP_PACKAGES = 1 << 4; 11150 11151 public static final int DUMP_SHARED_USERS = 1 << 5; 11152 11153 public static final int DUMP_MESSAGES = 1 << 6; 11154 11155 public static final int DUMP_PROVIDERS = 1 << 7; 11156 11157 public static final int DUMP_VERIFIERS = 1 << 8; 11158 11159 public static final int DUMP_PREFERRED = 1 << 9; 11160 11161 public static final int DUMP_PREFERRED_XML = 1 << 10; 11162 11163 public static final int DUMP_KEYSETS = 1 << 11; 11164 11165 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11166 11167 private int mTypes; 11168 11169 private int mOptions; 11170 11171 private boolean mTitlePrinted; 11172 11173 private SharedUserSetting mSharedUser; 11174 11175 public boolean isDumping(int type) { 11176 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11177 return true; 11178 } 11179 11180 return (mTypes & type) != 0; 11181 } 11182 11183 public void setDump(int type) { 11184 mTypes |= type; 11185 } 11186 11187 public boolean isOptionEnabled(int option) { 11188 return (mOptions & option) != 0; 11189 } 11190 11191 public void setOptionEnabled(int option) { 11192 mOptions |= option; 11193 } 11194 11195 public boolean onTitlePrinted() { 11196 final boolean printed = mTitlePrinted; 11197 mTitlePrinted = true; 11198 return printed; 11199 } 11200 11201 public boolean getTitlePrinted() { 11202 return mTitlePrinted; 11203 } 11204 11205 public void setTitlePrinted(boolean enabled) { 11206 mTitlePrinted = enabled; 11207 } 11208 11209 public SharedUserSetting getSharedUser() { 11210 return mSharedUser; 11211 } 11212 11213 public void setSharedUser(SharedUserSetting user) { 11214 mSharedUser = user; 11215 } 11216 } 11217 11218 @Override 11219 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11220 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11221 != PackageManager.PERMISSION_GRANTED) { 11222 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11223 + Binder.getCallingPid() 11224 + ", uid=" + Binder.getCallingUid() 11225 + " without permission " 11226 + android.Manifest.permission.DUMP); 11227 return; 11228 } 11229 11230 DumpState dumpState = new DumpState(); 11231 boolean fullPreferred = false; 11232 boolean checkin = false; 11233 11234 String packageName = null; 11235 11236 int opti = 0; 11237 while (opti < args.length) { 11238 String opt = args[opti]; 11239 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11240 break; 11241 } 11242 opti++; 11243 if ("-a".equals(opt)) { 11244 // Right now we only know how to print all. 11245 } else if ("-h".equals(opt)) { 11246 pw.println("Package manager dump options:"); 11247 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11248 pw.println(" --checkin: dump for a checkin"); 11249 pw.println(" -f: print details of intent filters"); 11250 pw.println(" -h: print this help"); 11251 pw.println(" cmd may be one of:"); 11252 pw.println(" l[ibraries]: list known shared libraries"); 11253 pw.println(" f[ibraries]: list device features"); 11254 pw.println(" r[esolvers]: dump intent resolvers"); 11255 pw.println(" perm[issions]: dump permissions"); 11256 pw.println(" pref[erred]: print preferred package settings"); 11257 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11258 pw.println(" prov[iders]: dump content providers"); 11259 pw.println(" p[ackages]: dump installed packages"); 11260 pw.println(" s[hared-users]: dump shared user IDs"); 11261 pw.println(" m[essages]: print collected runtime messages"); 11262 pw.println(" v[erifiers]: print package verifier info"); 11263 pw.println(" <package.name>: info about given package"); 11264 pw.println(" k[eysets]: print known keysets"); 11265 return; 11266 } else if ("--checkin".equals(opt)) { 11267 checkin = true; 11268 } else if ("-f".equals(opt)) { 11269 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11270 } else { 11271 pw.println("Unknown argument: " + opt + "; use -h for help"); 11272 } 11273 } 11274 11275 // Is the caller requesting to dump a particular piece of data? 11276 if (opti < args.length) { 11277 String cmd = args[opti]; 11278 opti++; 11279 // Is this a package name? 11280 if ("android".equals(cmd) || cmd.contains(".")) { 11281 packageName = cmd; 11282 // When dumping a single package, we always dump all of its 11283 // filter information since the amount of data will be reasonable. 11284 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11285 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11286 dumpState.setDump(DumpState.DUMP_LIBS); 11287 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11288 dumpState.setDump(DumpState.DUMP_FEATURES); 11289 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11290 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11291 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11292 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11293 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11294 dumpState.setDump(DumpState.DUMP_PREFERRED); 11295 } else if ("preferred-xml".equals(cmd)) { 11296 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11297 if (opti < args.length && "--full".equals(args[opti])) { 11298 fullPreferred = true; 11299 opti++; 11300 } 11301 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11302 dumpState.setDump(DumpState.DUMP_PACKAGES); 11303 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11304 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11305 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11306 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11307 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11308 dumpState.setDump(DumpState.DUMP_MESSAGES); 11309 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11310 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11311 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11312 dumpState.setDump(DumpState.DUMP_KEYSETS); 11313 } 11314 } 11315 11316 if (checkin) { 11317 pw.println("vers,1"); 11318 } 11319 11320 // reader 11321 synchronized (mPackages) { 11322 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11323 if (!checkin) { 11324 if (dumpState.onTitlePrinted()) 11325 pw.println(); 11326 pw.println("Verifiers:"); 11327 pw.print(" Required: "); 11328 pw.print(mRequiredVerifierPackage); 11329 pw.print(" (uid="); 11330 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11331 pw.println(")"); 11332 } else if (mRequiredVerifierPackage != null) { 11333 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11334 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11335 } 11336 } 11337 11338 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11339 boolean printedHeader = false; 11340 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11341 while (it.hasNext()) { 11342 String name = it.next(); 11343 SharedLibraryEntry ent = mSharedLibraries.get(name); 11344 if (!checkin) { 11345 if (!printedHeader) { 11346 if (dumpState.onTitlePrinted()) 11347 pw.println(); 11348 pw.println("Libraries:"); 11349 printedHeader = true; 11350 } 11351 pw.print(" "); 11352 } else { 11353 pw.print("lib,"); 11354 } 11355 pw.print(name); 11356 if (!checkin) { 11357 pw.print(" -> "); 11358 } 11359 if (ent.path != null) { 11360 if (!checkin) { 11361 pw.print("(jar) "); 11362 pw.print(ent.path); 11363 } else { 11364 pw.print(",jar,"); 11365 pw.print(ent.path); 11366 } 11367 } else { 11368 if (!checkin) { 11369 pw.print("(apk) "); 11370 pw.print(ent.apk); 11371 } else { 11372 pw.print(",apk,"); 11373 pw.print(ent.apk); 11374 } 11375 } 11376 pw.println(); 11377 } 11378 } 11379 11380 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11381 if (dumpState.onTitlePrinted()) 11382 pw.println(); 11383 if (!checkin) { 11384 pw.println("Features:"); 11385 } 11386 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11387 while (it.hasNext()) { 11388 String name = it.next(); 11389 if (!checkin) { 11390 pw.print(" "); 11391 } else { 11392 pw.print("feat,"); 11393 } 11394 pw.println(name); 11395 } 11396 } 11397 11398 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11399 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11400 : "Activity Resolver Table:", " ", packageName, 11401 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11402 dumpState.setTitlePrinted(true); 11403 } 11404 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11405 : "Receiver Resolver Table:", " ", packageName, 11406 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11407 dumpState.setTitlePrinted(true); 11408 } 11409 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11410 : "Service Resolver Table:", " ", packageName, 11411 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11412 dumpState.setTitlePrinted(true); 11413 } 11414 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11415 : "Provider Resolver Table:", " ", packageName, 11416 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11417 dumpState.setTitlePrinted(true); 11418 } 11419 } 11420 11421 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11422 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11423 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11424 int user = mSettings.mPreferredActivities.keyAt(i); 11425 if (pir.dump(pw, 11426 dumpState.getTitlePrinted() 11427 ? "\nPreferred Activities User " + user + ":" 11428 : "Preferred Activities User " + user + ":", " ", 11429 packageName, true)) { 11430 dumpState.setTitlePrinted(true); 11431 } 11432 } 11433 } 11434 11435 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11436 pw.flush(); 11437 FileOutputStream fout = new FileOutputStream(fd); 11438 BufferedOutputStream str = new BufferedOutputStream(fout); 11439 XmlSerializer serializer = new FastXmlSerializer(); 11440 try { 11441 serializer.setOutput(str, "utf-8"); 11442 serializer.startDocument(null, true); 11443 serializer.setFeature( 11444 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11445 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11446 serializer.endDocument(); 11447 serializer.flush(); 11448 } catch (IllegalArgumentException e) { 11449 pw.println("Failed writing: " + e); 11450 } catch (IllegalStateException e) { 11451 pw.println("Failed writing: " + e); 11452 } catch (IOException e) { 11453 pw.println("Failed writing: " + e); 11454 } 11455 } 11456 11457 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11458 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11459 } 11460 11461 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11462 boolean printedSomething = false; 11463 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11464 if (packageName != null && !packageName.equals(p.info.packageName)) { 11465 continue; 11466 } 11467 if (!printedSomething) { 11468 if (dumpState.onTitlePrinted()) 11469 pw.println(); 11470 pw.println("Registered ContentProviders:"); 11471 printedSomething = true; 11472 } 11473 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11474 pw.print(" "); pw.println(p.toString()); 11475 } 11476 printedSomething = false; 11477 for (Map.Entry<String, PackageParser.Provider> entry : 11478 mProvidersByAuthority.entrySet()) { 11479 PackageParser.Provider p = entry.getValue(); 11480 if (packageName != null && !packageName.equals(p.info.packageName)) { 11481 continue; 11482 } 11483 if (!printedSomething) { 11484 if (dumpState.onTitlePrinted()) 11485 pw.println(); 11486 pw.println("ContentProvider Authorities:"); 11487 printedSomething = true; 11488 } 11489 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11490 pw.print(" "); pw.println(p.toString()); 11491 if (p.info != null && p.info.applicationInfo != null) { 11492 final String appInfo = p.info.applicationInfo.toString(); 11493 pw.print(" applicationInfo="); pw.println(appInfo); 11494 } 11495 } 11496 } 11497 11498 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11499 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11500 } 11501 11502 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11503 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11504 } 11505 11506 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11507 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11508 } 11509 11510 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11511 if (dumpState.onTitlePrinted()) 11512 pw.println(); 11513 mSettings.dumpReadMessagesLPr(pw, dumpState); 11514 11515 pw.println(); 11516 pw.println("Package warning messages:"); 11517 final File fname = getSettingsProblemFile(); 11518 FileInputStream in = null; 11519 try { 11520 in = new FileInputStream(fname); 11521 final int avail = in.available(); 11522 final byte[] data = new byte[avail]; 11523 in.read(data); 11524 pw.print(new String(data)); 11525 } catch (FileNotFoundException e) { 11526 } catch (IOException e) { 11527 } finally { 11528 if (in != null) { 11529 try { 11530 in.close(); 11531 } catch (IOException e) { 11532 } 11533 } 11534 } 11535 } 11536 } 11537 } 11538 11539 // ------- apps on sdcard specific code ------- 11540 static final boolean DEBUG_SD_INSTALL = false; 11541 11542 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11543 11544 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11545 11546 private boolean mMediaMounted = false; 11547 11548 private String getEncryptKey() { 11549 try { 11550 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11551 SD_ENCRYPTION_KEYSTORE_NAME); 11552 if (sdEncKey == null) { 11553 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11554 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11555 if (sdEncKey == null) { 11556 Slog.e(TAG, "Failed to create encryption keys"); 11557 return null; 11558 } 11559 } 11560 return sdEncKey; 11561 } catch (NoSuchAlgorithmException nsae) { 11562 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11563 return null; 11564 } catch (IOException ioe) { 11565 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11566 return null; 11567 } 11568 11569 } 11570 11571 /* package */static String getTempContainerId() { 11572 int tmpIdx = 1; 11573 String list[] = PackageHelper.getSecureContainerList(); 11574 if (list != null) { 11575 for (final String name : list) { 11576 // Ignore null and non-temporary container entries 11577 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11578 continue; 11579 } 11580 11581 String subStr = name.substring(mTempContainerPrefix.length()); 11582 try { 11583 int cid = Integer.parseInt(subStr); 11584 if (cid >= tmpIdx) { 11585 tmpIdx = cid + 1; 11586 } 11587 } catch (NumberFormatException e) { 11588 } 11589 } 11590 } 11591 return mTempContainerPrefix + tmpIdx; 11592 } 11593 11594 /* 11595 * Update media status on PackageManager. 11596 */ 11597 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11598 int callingUid = Binder.getCallingUid(); 11599 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11600 throw new SecurityException("Media status can only be updated by the system"); 11601 } 11602 // reader; this apparently protects mMediaMounted, but should probably 11603 // be a different lock in that case. 11604 synchronized (mPackages) { 11605 Log.i(TAG, "Updating external media status from " 11606 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11607 + (mediaStatus ? "mounted" : "unmounted")); 11608 if (DEBUG_SD_INSTALL) 11609 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11610 + ", mMediaMounted=" + mMediaMounted); 11611 if (mediaStatus == mMediaMounted) { 11612 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11613 : 0, -1); 11614 mHandler.sendMessage(msg); 11615 return; 11616 } 11617 mMediaMounted = mediaStatus; 11618 } 11619 // Queue up an async operation since the package installation may take a 11620 // little while. 11621 mHandler.post(new Runnable() { 11622 public void run() { 11623 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11624 } 11625 }); 11626 } 11627 11628 /** 11629 * Called by MountService when the initial ASECs to scan are available. 11630 * Should block until all the ASEC containers are finished being scanned. 11631 */ 11632 public void scanAvailableAsecs() { 11633 updateExternalMediaStatusInner(true, false, false); 11634 if (mShouldRestoreconData) { 11635 SELinuxMMAC.setRestoreconDone(); 11636 mShouldRestoreconData = false; 11637 } 11638 } 11639 11640 /* 11641 * Collect information of applications on external media, map them against 11642 * existing containers and update information based on current mount status. 11643 * Please note that we always have to report status if reportStatus has been 11644 * set to true especially when unloading packages. 11645 */ 11646 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11647 boolean externalStorage) { 11648 // Collection of uids 11649 int uidArr[] = null; 11650 // Collection of stale containers 11651 HashSet<String> removeCids = new HashSet<String>(); 11652 // Collection of packages on external media with valid containers. 11653 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11654 // Get list of secure containers. 11655 final String list[] = PackageHelper.getSecureContainerList(); 11656 if (list == null || list.length == 0) { 11657 Log.i(TAG, "No secure containers on sdcard"); 11658 } else { 11659 // Process list of secure containers and categorize them 11660 // as active or stale based on their package internal state. 11661 int uidList[] = new int[list.length]; 11662 int num = 0; 11663 // reader 11664 synchronized (mPackages) { 11665 for (String cid : list) { 11666 if (DEBUG_SD_INSTALL) 11667 Log.i(TAG, "Processing container " + cid); 11668 String pkgName = getAsecPackageName(cid); 11669 if (pkgName == null) { 11670 if (DEBUG_SD_INSTALL) 11671 Log.i(TAG, "Container : " + cid + " stale"); 11672 removeCids.add(cid); 11673 continue; 11674 } 11675 if (DEBUG_SD_INSTALL) 11676 Log.i(TAG, "Looking for pkg : " + pkgName); 11677 11678 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11679 if (ps == null) { 11680 Log.i(TAG, "Deleting container with no matching settings " + cid); 11681 removeCids.add(cid); 11682 continue; 11683 } 11684 11685 /* 11686 * Skip packages that are not external if we're unmounting 11687 * external storage. 11688 */ 11689 if (externalStorage && !isMounted && !isExternal(ps)) { 11690 continue; 11691 } 11692 11693 final AsecInstallArgs args = new AsecInstallArgs(cid, 11694 getAppInstructionSetFromSettings(ps), 11695 isForwardLocked(ps)); 11696 // The package status is changed only if the code path 11697 // matches between settings and the container id. 11698 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11699 if (DEBUG_SD_INSTALL) { 11700 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11701 + " at code path: " + ps.codePathString); 11702 } 11703 11704 // We do have a valid package installed on sdcard 11705 processCids.put(args, ps.codePathString); 11706 final int uid = ps.appId; 11707 if (uid != -1) { 11708 uidList[num++] = uid; 11709 } 11710 } else { 11711 Log.i(TAG, "Deleting stale container for " + cid); 11712 removeCids.add(cid); 11713 } 11714 } 11715 } 11716 11717 if (num > 0) { 11718 // Sort uid list 11719 Arrays.sort(uidList, 0, num); 11720 // Throw away duplicates 11721 uidArr = new int[num]; 11722 uidArr[0] = uidList[0]; 11723 int di = 0; 11724 for (int i = 1; i < num; i++) { 11725 if (uidList[i - 1] != uidList[i]) { 11726 uidArr[di++] = uidList[i]; 11727 } 11728 } 11729 } 11730 } 11731 // Process packages with valid entries. 11732 if (isMounted) { 11733 if (DEBUG_SD_INSTALL) 11734 Log.i(TAG, "Loading packages"); 11735 loadMediaPackages(processCids, uidArr, removeCids); 11736 startCleaningPackages(); 11737 } else { 11738 if (DEBUG_SD_INSTALL) 11739 Log.i(TAG, "Unloading packages"); 11740 unloadMediaPackages(processCids, uidArr, reportStatus); 11741 } 11742 } 11743 11744 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11745 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11746 int size = pkgList.size(); 11747 if (size > 0) { 11748 // Send broadcasts here 11749 Bundle extras = new Bundle(); 11750 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11751 .toArray(new String[size])); 11752 if (uidArr != null) { 11753 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11754 } 11755 if (replacing) { 11756 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11757 } 11758 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11759 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11760 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11761 } 11762 } 11763 11764 /* 11765 * Look at potentially valid container ids from processCids If package 11766 * information doesn't match the one on record or package scanning fails, 11767 * the cid is added to list of removeCids. We currently don't delete stale 11768 * containers. 11769 */ 11770 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11771 HashSet<String> removeCids) { 11772 ArrayList<String> pkgList = new ArrayList<String>(); 11773 Set<AsecInstallArgs> keys = processCids.keySet(); 11774 boolean doGc = false; 11775 for (AsecInstallArgs args : keys) { 11776 String codePath = processCids.get(args); 11777 if (DEBUG_SD_INSTALL) 11778 Log.i(TAG, "Loading container : " + args.cid); 11779 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11780 try { 11781 // Make sure there are no container errors first. 11782 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11783 Slog.e(TAG, "Failed to mount cid : " + args.cid 11784 + " when installing from sdcard"); 11785 continue; 11786 } 11787 // Check code path here. 11788 if (codePath == null || !codePath.equals(args.getCodePath())) { 11789 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11790 + " does not match one in settings " + codePath); 11791 continue; 11792 } 11793 // Parse package 11794 int parseFlags = mDefParseFlags; 11795 if (args.isExternal()) { 11796 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11797 } 11798 if (args.isFwdLocked()) { 11799 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11800 } 11801 11802 doGc = true; 11803 synchronized (mInstallLock) { 11804 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11805 0, 0, null); 11806 // Scan the package 11807 if (pkg != null) { 11808 /* 11809 * TODO why is the lock being held? doPostInstall is 11810 * called in other places without the lock. This needs 11811 * to be straightened out. 11812 */ 11813 // writer 11814 synchronized (mPackages) { 11815 retCode = PackageManager.INSTALL_SUCCEEDED; 11816 pkgList.add(pkg.packageName); 11817 // Post process args 11818 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11819 pkg.applicationInfo.uid); 11820 } 11821 } else { 11822 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11823 } 11824 } 11825 11826 } finally { 11827 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11828 // Don't destroy container here. Wait till gc clears things 11829 // up. 11830 removeCids.add(args.cid); 11831 } 11832 } 11833 } 11834 // writer 11835 synchronized (mPackages) { 11836 // If the platform SDK has changed since the last time we booted, 11837 // we need to re-grant app permission to catch any new ones that 11838 // appear. This is really a hack, and means that apps can in some 11839 // cases get permissions that the user didn't initially explicitly 11840 // allow... it would be nice to have some better way to handle 11841 // this situation. 11842 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11843 if (regrantPermissions) 11844 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11845 + mSdkVersion + "; regranting permissions for external storage"); 11846 mSettings.mExternalSdkPlatform = mSdkVersion; 11847 11848 // Make sure group IDs have been assigned, and any permission 11849 // changes in other apps are accounted for 11850 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11851 | (regrantPermissions 11852 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11853 : 0)); 11854 // can downgrade to reader 11855 // Persist settings 11856 mSettings.writeLPr(); 11857 } 11858 // Send a broadcast to let everyone know we are done processing 11859 if (pkgList.size() > 0) { 11860 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11861 } 11862 // Force gc to avoid any stale parser references that we might have. 11863 if (doGc) { 11864 Runtime.getRuntime().gc(); 11865 } 11866 // List stale containers and destroy stale temporary containers. 11867 if (removeCids != null) { 11868 for (String cid : removeCids) { 11869 if (cid.startsWith(mTempContainerPrefix)) { 11870 Log.i(TAG, "Destroying stale temporary container " + cid); 11871 PackageHelper.destroySdDir(cid); 11872 } else { 11873 Log.w(TAG, "Container " + cid + " is stale"); 11874 } 11875 } 11876 } 11877 } 11878 11879 /* 11880 * Utility method to unload a list of specified containers 11881 */ 11882 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11883 // Just unmount all valid containers. 11884 for (AsecInstallArgs arg : cidArgs) { 11885 synchronized (mInstallLock) { 11886 arg.doPostDeleteLI(false); 11887 } 11888 } 11889 } 11890 11891 /* 11892 * Unload packages mounted on external media. This involves deleting package 11893 * data from internal structures, sending broadcasts about diabled packages, 11894 * gc'ing to free up references, unmounting all secure containers 11895 * corresponding to packages on external media, and posting a 11896 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11897 * that we always have to post this message if status has been requested no 11898 * matter what. 11899 */ 11900 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11901 final boolean reportStatus) { 11902 if (DEBUG_SD_INSTALL) 11903 Log.i(TAG, "unloading media packages"); 11904 ArrayList<String> pkgList = new ArrayList<String>(); 11905 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11906 final Set<AsecInstallArgs> keys = processCids.keySet(); 11907 for (AsecInstallArgs args : keys) { 11908 String pkgName = args.getPackageName(); 11909 if (DEBUG_SD_INSTALL) 11910 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11911 // Delete package internally 11912 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11913 synchronized (mInstallLock) { 11914 boolean res = deletePackageLI(pkgName, null, false, null, null, 11915 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11916 if (res) { 11917 pkgList.add(pkgName); 11918 } else { 11919 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11920 failedList.add(args); 11921 } 11922 } 11923 } 11924 11925 // reader 11926 synchronized (mPackages) { 11927 // We didn't update the settings after removing each package; 11928 // write them now for all packages. 11929 mSettings.writeLPr(); 11930 } 11931 11932 // We have to absolutely send UPDATED_MEDIA_STATUS only 11933 // after confirming that all the receivers processed the ordered 11934 // broadcast when packages get disabled, force a gc to clean things up. 11935 // and unload all the containers. 11936 if (pkgList.size() > 0) { 11937 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11938 new IIntentReceiver.Stub() { 11939 public void performReceive(Intent intent, int resultCode, String data, 11940 Bundle extras, boolean ordered, boolean sticky, 11941 int sendingUser) throws RemoteException { 11942 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11943 reportStatus ? 1 : 0, 1, keys); 11944 mHandler.sendMessage(msg); 11945 } 11946 }); 11947 } else { 11948 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11949 keys); 11950 mHandler.sendMessage(msg); 11951 } 11952 } 11953 11954 /** Binder call */ 11955 @Override 11956 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11957 final int flags) { 11958 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11959 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11960 int returnCode = PackageManager.MOVE_SUCCEEDED; 11961 int currFlags = 0; 11962 int newFlags = 0; 11963 // reader 11964 synchronized (mPackages) { 11965 PackageParser.Package pkg = mPackages.get(packageName); 11966 if (pkg == null) { 11967 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11968 } else { 11969 // Disable moving fwd locked apps and system packages 11970 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11971 Slog.w(TAG, "Cannot move system application"); 11972 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11973 } else if (pkg.mOperationPending) { 11974 Slog.w(TAG, "Attempt to move package which has pending operations"); 11975 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11976 } else { 11977 // Find install location first 11978 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11979 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11980 Slog.w(TAG, "Ambigous flags specified for move location."); 11981 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11982 } else { 11983 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11984 : PackageManager.INSTALL_INTERNAL; 11985 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11986 : PackageManager.INSTALL_INTERNAL; 11987 11988 if (newFlags == currFlags) { 11989 Slog.w(TAG, "No move required. Trying to move to same location"); 11990 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11991 } else { 11992 if (isForwardLocked(pkg)) { 11993 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11994 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11995 } 11996 } 11997 } 11998 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11999 pkg.mOperationPending = true; 12000 } 12001 } 12002 } 12003 12004 /* 12005 * TODO this next block probably shouldn't be inside the lock. We 12006 * can't guarantee these won't change after this is fired off 12007 * anyway. 12008 */ 12009 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12010 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12011 null, -1, user), 12012 returnCode); 12013 } else { 12014 Message msg = mHandler.obtainMessage(INIT_COPY); 12015 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12016 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12017 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12018 instructionSet); 12019 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12020 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12021 msg.obj = mp; 12022 mHandler.sendMessage(msg); 12023 } 12024 } 12025 } 12026 12027 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12028 // Queue up an async operation since the package deletion may take a 12029 // little while. 12030 mHandler.post(new Runnable() { 12031 public void run() { 12032 // TODO fix this; this does nothing. 12033 mHandler.removeCallbacks(this); 12034 int returnCode = currentStatus; 12035 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12036 int uidArr[] = null; 12037 ArrayList<String> pkgList = null; 12038 synchronized (mPackages) { 12039 PackageParser.Package pkg = mPackages.get(mp.packageName); 12040 if (pkg == null) { 12041 Slog.w(TAG, " Package " + mp.packageName 12042 + " doesn't exist. Aborting move"); 12043 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12044 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12045 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12046 + mp.srcArgs.getCodePath() + " to " 12047 + pkg.applicationInfo.sourceDir 12048 + " Aborting move and returning error"); 12049 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12050 } else { 12051 uidArr = new int[] { 12052 pkg.applicationInfo.uid 12053 }; 12054 pkgList = new ArrayList<String>(); 12055 pkgList.add(mp.packageName); 12056 } 12057 } 12058 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12059 // Send resources unavailable broadcast 12060 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12061 // Update package code and resource paths 12062 synchronized (mInstallLock) { 12063 synchronized (mPackages) { 12064 PackageParser.Package pkg = mPackages.get(mp.packageName); 12065 // Recheck for package again. 12066 if (pkg == null) { 12067 Slog.w(TAG, " Package " + mp.packageName 12068 + " doesn't exist. Aborting move"); 12069 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12070 } else if (!mp.srcArgs.getCodePath().equals( 12071 pkg.applicationInfo.sourceDir)) { 12072 Slog.w(TAG, "Package " + mp.packageName 12073 + " code path changed from " + mp.srcArgs.getCodePath() 12074 + " to " + pkg.applicationInfo.sourceDir 12075 + " Aborting move and returning error"); 12076 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12077 } else { 12078 final String oldCodePath = pkg.mPath; 12079 final String newCodePath = mp.targetArgs.getCodePath(); 12080 final String newResPath = mp.targetArgs.getResourcePath(); 12081 final String newNativePath = mp.targetArgs 12082 .getNativeLibraryPath(); 12083 12084 final File newNativeDir = new File(newNativePath); 12085 12086 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12087 // NOTE: We do not report any errors from the APK scan and library 12088 // copy at this point. 12089 NativeLibraryHelper.ApkHandle handle = 12090 new NativeLibraryHelper.ApkHandle(newCodePath); 12091 final int abi = NativeLibraryHelper.findSupportedAbi( 12092 handle, Build.SUPPORTED_ABIS); 12093 if (abi >= 0) { 12094 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12095 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12096 } 12097 handle.close(); 12098 } 12099 final int[] users = sUserManager.getUserIds(); 12100 for (int user : users) { 12101 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12102 newNativePath, user) < 0) { 12103 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12104 } 12105 } 12106 12107 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12108 pkg.mPath = newCodePath; 12109 // Move dex files around 12110 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12111 // Moving of dex files failed. Set 12112 // error code and abort move. 12113 pkg.mPath = pkg.mScanPath; 12114 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12115 } 12116 } 12117 12118 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12119 pkg.mScanPath = newCodePath; 12120 pkg.applicationInfo.sourceDir = newCodePath; 12121 pkg.applicationInfo.publicSourceDir = newResPath; 12122 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12123 PackageSetting ps = (PackageSetting) pkg.mExtras; 12124 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12125 ps.codePathString = ps.codePath.getPath(); 12126 ps.resourcePath = new File( 12127 pkg.applicationInfo.publicSourceDir); 12128 ps.resourcePathString = ps.resourcePath.getPath(); 12129 ps.nativeLibraryPathString = newNativePath; 12130 // Set the application info flag 12131 // correctly. 12132 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12133 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12134 } else { 12135 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12136 } 12137 ps.setFlags(pkg.applicationInfo.flags); 12138 mAppDirs.remove(oldCodePath); 12139 mAppDirs.put(newCodePath, pkg); 12140 // Persist settings 12141 mSettings.writeLPr(); 12142 } 12143 } 12144 } 12145 } 12146 // Send resources available broadcast 12147 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12148 } 12149 } 12150 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12151 // Clean up failed installation 12152 if (mp.targetArgs != null) { 12153 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12154 -1); 12155 } 12156 } else { 12157 // Force a gc to clear things up. 12158 Runtime.getRuntime().gc(); 12159 // Delete older code 12160 synchronized (mInstallLock) { 12161 mp.srcArgs.doPostDeleteLI(true); 12162 } 12163 } 12164 12165 // Allow more operations on this file if we didn't fail because 12166 // an operation was already pending for this package. 12167 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12168 synchronized (mPackages) { 12169 PackageParser.Package pkg = mPackages.get(mp.packageName); 12170 if (pkg != null) { 12171 pkg.mOperationPending = false; 12172 } 12173 } 12174 } 12175 12176 IPackageMoveObserver observer = mp.observer; 12177 if (observer != null) { 12178 try { 12179 observer.packageMoved(mp.packageName, returnCode); 12180 } catch (RemoteException e) { 12181 Log.i(TAG, "Observer no longer exists."); 12182 } 12183 } 12184 } 12185 }); 12186 } 12187 12188 public boolean setInstallLocation(int loc) { 12189 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12190 null); 12191 if (getInstallLocation() == loc) { 12192 return true; 12193 } 12194 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12195 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12196 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12197 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12198 return true; 12199 } 12200 return false; 12201 } 12202 12203 public int getInstallLocation() { 12204 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12205 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12206 PackageHelper.APP_INSTALL_AUTO); 12207 } 12208 12209 /** Called by UserManagerService */ 12210 void cleanUpUserLILPw(int userHandle) { 12211 mDirtyUsers.remove(userHandle); 12212 mSettings.removeUserLPr(userHandle); 12213 mPendingBroadcasts.remove(userHandle); 12214 if (mInstaller != null) { 12215 // Technically, we shouldn't be doing this with the package lock 12216 // held. However, this is very rare, and there is already so much 12217 // other disk I/O going on, that we'll let it slide for now. 12218 mInstaller.removeUserDataDirs(userHandle); 12219 } 12220 } 12221 12222 /** Called by UserManagerService */ 12223 void createNewUserLILPw(int userHandle, File path) { 12224 if (mInstaller != null) { 12225 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12226 } 12227 } 12228 12229 @Override 12230 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12231 mContext.enforceCallingOrSelfPermission( 12232 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12233 "Only package verification agents can read the verifier device identity"); 12234 12235 synchronized (mPackages) { 12236 return mSettings.getVerifierDeviceIdentityLPw(); 12237 } 12238 } 12239 12240 @Override 12241 public void setPermissionEnforced(String permission, boolean enforced) { 12242 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12243 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12244 synchronized (mPackages) { 12245 if (mSettings.mReadExternalStorageEnforced == null 12246 || mSettings.mReadExternalStorageEnforced != enforced) { 12247 mSettings.mReadExternalStorageEnforced = enforced; 12248 mSettings.writeLPr(); 12249 } 12250 } 12251 // kill any non-foreground processes so we restart them and 12252 // grant/revoke the GID. 12253 final IActivityManager am = ActivityManagerNative.getDefault(); 12254 if (am != null) { 12255 final long token = Binder.clearCallingIdentity(); 12256 try { 12257 am.killProcessesBelowForeground("setPermissionEnforcement"); 12258 } catch (RemoteException e) { 12259 } finally { 12260 Binder.restoreCallingIdentity(token); 12261 } 12262 } 12263 } else { 12264 throw new IllegalArgumentException("No selective enforcement for " + permission); 12265 } 12266 } 12267 12268 @Override 12269 @Deprecated 12270 public boolean isPermissionEnforced(String permission) { 12271 return true; 12272 } 12273 12274 @Override 12275 public boolean isStorageLow() { 12276 final long token = Binder.clearCallingIdentity(); 12277 try { 12278 final DeviceStorageMonitorInternal 12279 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12280 if (dsm != null) { 12281 return dsm.isMemoryLow(); 12282 } else { 12283 return false; 12284 } 12285 } finally { 12286 Binder.restoreCallingIdentity(token); 12287 } 12288 } 12289} 12290