PackageManagerService.java revision 797b109c60bda8e122075b0c2101d3f2a0b67c07
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.NativeLibraryHelper.ApkHandle; 41import com.android.internal.content.PackageHelper; 42import com.android.internal.util.FastPrintWriter; 43import com.android.internal.util.FastXmlSerializer; 44import com.android.internal.util.XmlUtils; 45import com.android.server.EventLogTags; 46import com.android.server.IntentResolver; 47import com.android.server.LocalServices; 48import com.android.server.ServiceThread; 49import com.android.server.Watchdog; 50import com.android.server.storage.DeviceStorageMonitorInternal; 51 52import org.xmlpull.v1.XmlPullParser; 53import org.xmlpull.v1.XmlPullParserException; 54import org.xmlpull.v1.XmlSerializer; 55 56import android.app.ActivityManager; 57import android.app.ActivityManagerNative; 58import android.app.IActivityManager; 59import android.app.admin.IDevicePolicyManager; 60import android.app.backup.IBackupManager; 61import android.content.BroadcastReceiver; 62import android.content.ComponentName; 63import android.content.Context; 64import android.content.IIntentReceiver; 65import android.content.Intent; 66import android.content.IntentFilter; 67import android.content.IntentSender; 68import android.content.IntentSender.SendIntentException; 69import android.content.ServiceConnection; 70import android.content.pm.ActivityInfo; 71import android.content.pm.ApplicationInfo; 72import android.content.pm.ContainerEncryptionParams; 73import android.content.pm.FeatureInfo; 74import android.content.pm.IPackageDataObserver; 75import android.content.pm.IPackageDeleteObserver; 76import android.content.pm.IPackageInstallObserver; 77import android.content.pm.IPackageManager; 78import android.content.pm.IPackageMoveObserver; 79import android.content.pm.IPackageStatsObserver; 80import android.content.pm.InstrumentationInfo; 81import android.content.pm.ManifestDigest; 82import android.content.pm.PackageCleanItem; 83import android.content.pm.PackageInfo; 84import android.content.pm.PackageInfoLite; 85import android.content.pm.PackageManager; 86import android.content.pm.PackageParser.ActivityIntentInfo; 87import android.content.pm.PackageParser; 88import android.content.pm.PackageStats; 89import android.content.pm.PackageUserState; 90import android.content.pm.ParceledListSlice; 91import android.content.pm.PermissionGroupInfo; 92import android.content.pm.PermissionInfo; 93import android.content.pm.ProviderInfo; 94import android.content.pm.ResolveInfo; 95import android.content.pm.ServiceInfo; 96import android.content.pm.Signature; 97import android.content.pm.VerificationParams; 98import android.content.pm.VerifierDeviceIdentity; 99import android.content.pm.VerifierInfo; 100import android.content.res.Resources; 101import android.hardware.display.DisplayManager; 102import android.net.Uri; 103import android.os.Binder; 104import android.os.Build; 105import android.os.Bundle; 106import android.os.Environment; 107import android.os.Environment.UserEnvironment; 108import android.os.FileObserver; 109import android.os.FileUtils; 110import android.os.Handler; 111import android.os.IBinder; 112import android.os.Looper; 113import android.os.Message; 114import android.os.Parcel; 115import android.os.ParcelFileDescriptor; 116import android.os.Process; 117import android.os.RemoteException; 118import android.os.SELinux; 119import android.os.ServiceManager; 120import android.os.SystemClock; 121import android.os.SystemProperties; 122import android.os.UserHandle; 123import android.os.UserManager; 124import android.security.KeyStore; 125import android.security.SystemKeyStore; 126import android.system.ErrnoException; 127import android.system.Os; 128import android.system.StructStat; 129import android.text.TextUtils; 130import android.util.AtomicFile; 131import android.util.DisplayMetrics; 132import android.util.EventLog; 133import android.util.Log; 134import android.util.LogPrinter; 135import android.util.PrintStreamPrinter; 136import android.util.Slog; 137import android.util.SparseArray; 138import android.util.Xml; 139import android.view.Display; 140 141import java.io.BufferedInputStream; 142import java.io.BufferedOutputStream; 143import java.io.File; 144import java.io.FileDescriptor; 145import java.io.FileInputStream; 146import java.io.FileNotFoundException; 147import java.io.FileOutputStream; 148import java.io.FileReader; 149import java.io.FilenameFilter; 150import java.io.IOException; 151import java.io.InputStream; 152import java.io.PrintWriter; 153import java.nio.charset.StandardCharsets; 154import java.security.NoSuchAlgorithmException; 155import java.security.PublicKey; 156import java.security.cert.CertificateException; 157import java.text.SimpleDateFormat; 158import java.util.ArrayList; 159import java.util.Arrays; 160import java.util.Collection; 161import java.util.Collections; 162import java.util.Comparator; 163import java.util.Date; 164import java.util.HashMap; 165import java.util.HashSet; 166import java.util.Iterator; 167import java.util.List; 168import java.util.Map; 169import java.util.Set; 170import java.util.concurrent.atomic.AtomicBoolean; 171import java.util.concurrent.atomic.AtomicLong; 172 173import dalvik.system.DexFile; 174import dalvik.system.StaleDexCacheError; 175import dalvik.system.VMRuntime; 176import libcore.io.IoUtils; 177 178/** 179 * Keep track of all those .apks everywhere. 180 * 181 * This is very central to the platform's security; please run the unit 182 * tests whenever making modifications here: 183 * 184mmm frameworks/base/tests/AndroidTests 185adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 186adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 187 * 188 * {@hide} 189 */ 190public class PackageManagerService extends IPackageManager.Stub { 191 static final String TAG = "PackageManager"; 192 static final boolean DEBUG_SETTINGS = false; 193 static final boolean DEBUG_PREFERRED = false; 194 static final boolean DEBUG_UPGRADE = false; 195 private static final boolean DEBUG_INSTALL = false; 196 private static final boolean DEBUG_REMOVE = false; 197 private static final boolean DEBUG_BROADCASTS = false; 198 private static final boolean DEBUG_SHOW_INFO = false; 199 private static final boolean DEBUG_PACKAGE_INFO = false; 200 private static final boolean DEBUG_INTENT_MATCHING = false; 201 private static final boolean DEBUG_PACKAGE_SCANNING = false; 202 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 203 private static final boolean DEBUG_VERIFY = false; 204 private static final boolean DEBUG_DEXOPT = false; 205 206 private static final int RADIO_UID = Process.PHONE_UID; 207 private static final int LOG_UID = Process.LOG_UID; 208 private static final int NFC_UID = Process.NFC_UID; 209 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 210 private static final int SHELL_UID = Process.SHELL_UID; 211 212 private static final boolean GET_CERTIFICATES = true; 213 214 private static final int REMOVE_EVENTS = 215 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 216 private static final int ADD_EVENTS = 217 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 218 219 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 220 // Suffix used during package installation when copying/moving 221 // package apks to install directory. 222 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 223 224 static final int SCAN_MONITOR = 1<<0; 225 static final int SCAN_NO_DEX = 1<<1; 226 static final int SCAN_FORCE_DEX = 1<<2; 227 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 228 static final int SCAN_NEW_INSTALL = 1<<4; 229 static final int SCAN_NO_PATHS = 1<<5; 230 static final int SCAN_UPDATE_TIME = 1<<6; 231 static final int SCAN_DEFER_DEX = 1<<7; 232 static final int SCAN_BOOTING = 1<<8; 233 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 234 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 235 236 static final int REMOVE_CHATTY = 1<<16; 237 238 /** 239 * Timeout (in milliseconds) after which the watchdog should declare that 240 * our handler thread is wedged. The usual default for such things is one 241 * minute but we sometimes do very lengthy I/O operations on this thread, 242 * such as installing multi-gigabyte applications, so ours needs to be longer. 243 */ 244 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 245 246 /** 247 * Whether verification is enabled by default. 248 */ 249 private static final boolean DEFAULT_VERIFY_ENABLE = true; 250 251 /** 252 * The default maximum time to wait for the verification agent to return in 253 * milliseconds. 254 */ 255 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 256 257 /** 258 * The default response for package verification timeout. 259 * 260 * This can be either PackageManager.VERIFICATION_ALLOW or 261 * PackageManager.VERIFICATION_REJECT. 262 */ 263 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 264 265 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 266 267 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 268 DEFAULT_CONTAINER_PACKAGE, 269 "com.android.defcontainer.DefaultContainerService"); 270 271 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 272 273 private static final String LIB_DIR_NAME = "lib"; 274 private static final String LIB64_DIR_NAME = "lib64"; 275 276 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 277 278 static final String mTempContainerPrefix = "smdl2tmp"; 279 280 final ServiceThread mHandlerThread; 281 282 private static String sPreferredInstructionSet; 283 284 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 285 private static final String IDMAP_SUFFIX = "@idmap"; 286 287 final PackageHandler mHandler; 288 289 final int mSdkVersion = Build.VERSION.SDK_INT; 290 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 291 ? null : Build.VERSION.CODENAME; 292 293 final Context mContext; 294 final boolean mFactoryTest; 295 final boolean mOnlyCore; 296 final DisplayMetrics mMetrics; 297 final int mDefParseFlags; 298 final String[] mSeparateProcesses; 299 300 // This is where all application persistent data goes. 301 final File mAppDataDir; 302 303 // This is where all application persistent data goes for secondary users. 304 final File mUserAppDataDir; 305 306 /** The location for ASEC container files on internal storage. */ 307 final String mAsecInternalPath; 308 309 // This is the object monitoring the framework dir. 310 final FileObserver mFrameworkInstallObserver; 311 312 // This is the object monitoring the system app dir. 313 final FileObserver mSystemInstallObserver; 314 315 // This is the object monitoring the privileged system app dir. 316 final FileObserver mPrivilegedInstallObserver; 317 318 // This is the object monitoring the system app dir. 319 final FileObserver mVendorInstallObserver; 320 321 // This is the object monitoring the vendor overlay package dir. 322 final FileObserver mVendorOverlayInstallObserver; 323 324 // This is the object monitoring mAppInstallDir. 325 final FileObserver mAppInstallObserver; 326 327 // This is the object monitoring mDrmAppPrivateInstallDir. 328 final FileObserver mDrmAppInstallObserver; 329 330 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 331 // LOCK HELD. Can be called with mInstallLock held. 332 final Installer mInstaller; 333 334 final File mAppInstallDir; 335 336 /** 337 * Directory to which applications installed internally have native 338 * libraries copied. 339 */ 340 private File mAppLibInstallDir; 341 342 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 343 // apps. 344 final File mDrmAppPrivateInstallDir; 345 346 // ---------------------------------------------------------------- 347 348 // Lock for state used when installing and doing other long running 349 // operations. Methods that must be called with this lock held have 350 // the prefix "LI". 351 final Object mInstallLock = new Object(); 352 353 // These are the directories in the 3rd party applications installed dir 354 // that we have currently loaded packages from. Keys are the application's 355 // installed zip file (absolute codePath), and values are Package. 356 final HashMap<String, PackageParser.Package> mAppDirs = 357 new HashMap<String, PackageParser.Package>(); 358 359 // Information for the parser to write more useful error messages. 360 int mLastScanError; 361 362 // ---------------------------------------------------------------- 363 364 // Keys are String (package name), values are Package. This also serves 365 // as the lock for the global state. Methods that must be called with 366 // this lock held have the prefix "LP". 367 final HashMap<String, PackageParser.Package> mPackages = 368 new HashMap<String, PackageParser.Package>(); 369 370 // Tracks available target package names -> overlay package paths. 371 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 372 new HashMap<String, HashMap<String, PackageParser.Package>>(); 373 374 final Settings mSettings; 375 boolean mRestoredSettings; 376 377 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 378 int[] mGlobalGids; 379 380 // These are the built-in uid -> permission mappings that were read from the 381 // etc/permissions.xml file. 382 final SparseArray<HashSet<String>> mSystemPermissions = 383 new SparseArray<HashSet<String>>(); 384 385 static final class SharedLibraryEntry { 386 final String path; 387 final String apk; 388 389 SharedLibraryEntry(String _path, String _apk) { 390 path = _path; 391 apk = _apk; 392 } 393 } 394 395 // These are the built-in shared libraries that were read from the 396 // etc/permissions.xml file. 397 final HashMap<String, SharedLibraryEntry> mSharedLibraries 398 = new HashMap<String, SharedLibraryEntry>(); 399 400 // Temporary for building the final shared libraries for an .apk. 401 String[] mTmpSharedLibraries = null; 402 403 // These are the features this devices supports that were read from the 404 // etc/permissions.xml file. 405 final HashMap<String, FeatureInfo> mAvailableFeatures = 406 new HashMap<String, FeatureInfo>(); 407 408 // If mac_permissions.xml was found for seinfo labeling. 409 boolean mFoundPolicyFile; 410 411 // If a recursive restorecon of /data/data/<pkg> is needed. 412 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 413 414 // All available activities, for your resolving pleasure. 415 final ActivityIntentResolver mActivities = 416 new ActivityIntentResolver(); 417 418 // All available receivers, for your resolving pleasure. 419 final ActivityIntentResolver mReceivers = 420 new ActivityIntentResolver(); 421 422 // All available services, for your resolving pleasure. 423 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 424 425 // All available providers, for your resolving pleasure. 426 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 427 428 // Mapping from provider base names (first directory in content URI codePath) 429 // to the provider information. 430 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 431 new HashMap<String, PackageParser.Provider>(); 432 433 // Mapping from instrumentation class names to info about them. 434 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 435 new HashMap<ComponentName, PackageParser.Instrumentation>(); 436 437 // Mapping from permission names to info about them. 438 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 439 new HashMap<String, PackageParser.PermissionGroup>(); 440 441 // Packages whose data we have transfered into another package, thus 442 // should no longer exist. 443 final HashSet<String> mTransferedPackages = new HashSet<String>(); 444 445 // Broadcast actions that are only available to the system. 446 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 447 448 /** List of packages waiting for verification. */ 449 final SparseArray<PackageVerificationState> mPendingVerification 450 = new SparseArray<PackageVerificationState>(); 451 452 HashSet<PackageParser.Package> mDeferredDexOpt = null; 453 454 /** Token for keys in mPendingVerification. */ 455 private int mPendingVerificationToken = 0; 456 457 boolean mSystemReady; 458 boolean mSafeMode; 459 boolean mHasSystemUidErrors; 460 461 ApplicationInfo mAndroidApplication; 462 final ActivityInfo mResolveActivity = new ActivityInfo(); 463 final ResolveInfo mResolveInfo = new ResolveInfo(); 464 ComponentName mResolveComponentName; 465 PackageParser.Package mPlatformPackage; 466 ComponentName mCustomResolverComponentName; 467 468 boolean mResolverReplaced = false; 469 470 // Set of pending broadcasts for aggregating enable/disable of components. 471 static class PendingPackageBroadcasts { 472 // for each user id, a map of <package name -> components within that package> 473 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 474 475 public PendingPackageBroadcasts() { 476 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 477 } 478 479 public ArrayList<String> get(int userId, String packageName) { 480 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 481 return packages.get(packageName); 482 } 483 484 public void put(int userId, String packageName, ArrayList<String> components) { 485 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 486 packages.put(packageName, components); 487 } 488 489 public void remove(int userId, String packageName) { 490 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 491 if (packages != null) { 492 packages.remove(packageName); 493 } 494 } 495 496 public void remove(int userId) { 497 mUidMap.remove(userId); 498 } 499 500 public int userIdCount() { 501 return mUidMap.size(); 502 } 503 504 public int userIdAt(int n) { 505 return mUidMap.keyAt(n); 506 } 507 508 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 509 return mUidMap.get(userId); 510 } 511 512 public int size() { 513 // total number of pending broadcast entries across all userIds 514 int num = 0; 515 for (int i = 0; i< mUidMap.size(); i++) { 516 num += mUidMap.valueAt(i).size(); 517 } 518 return num; 519 } 520 521 public void clear() { 522 mUidMap.clear(); 523 } 524 525 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 526 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 527 if (map == null) { 528 map = new HashMap<String, ArrayList<String>>(); 529 mUidMap.put(userId, map); 530 } 531 return map; 532 } 533 } 534 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 535 536 // Service Connection to remote media container service to copy 537 // package uri's from external media onto secure containers 538 // or internal storage. 539 private IMediaContainerService mContainerService = null; 540 541 static final int SEND_PENDING_BROADCAST = 1; 542 static final int MCS_BOUND = 3; 543 static final int END_COPY = 4; 544 static final int INIT_COPY = 5; 545 static final int MCS_UNBIND = 6; 546 static final int START_CLEANING_PACKAGE = 7; 547 static final int FIND_INSTALL_LOC = 8; 548 static final int POST_INSTALL = 9; 549 static final int MCS_RECONNECT = 10; 550 static final int MCS_GIVE_UP = 11; 551 static final int UPDATED_MEDIA_STATUS = 12; 552 static final int WRITE_SETTINGS = 13; 553 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 554 static final int PACKAGE_VERIFIED = 15; 555 static final int CHECK_PENDING_VERIFICATION = 16; 556 557 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 558 559 // Delay time in millisecs 560 static final int BROADCAST_DELAY = 10 * 1000; 561 562 static UserManagerService sUserManager; 563 564 // Stores a list of users whose package restrictions file needs to be updated 565 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 566 567 final private DefaultContainerConnection mDefContainerConn = 568 new DefaultContainerConnection(); 569 class DefaultContainerConnection implements ServiceConnection { 570 public void onServiceConnected(ComponentName name, IBinder service) { 571 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 572 IMediaContainerService imcs = 573 IMediaContainerService.Stub.asInterface(service); 574 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 575 } 576 577 public void onServiceDisconnected(ComponentName name) { 578 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 579 } 580 }; 581 582 // Recordkeeping of restore-after-install operations that are currently in flight 583 // between the Package Manager and the Backup Manager 584 class PostInstallData { 585 public InstallArgs args; 586 public PackageInstalledInfo res; 587 588 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 589 args = _a; 590 res = _r; 591 } 592 }; 593 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 594 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 595 596 private final String mRequiredVerifierPackage; 597 598 private final PackageUsage mPackageUsage = new PackageUsage(); 599 600 private class PackageUsage { 601 private static final int WRITE_INTERVAL 602 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 603 604 private final Object mFileLock = new Object(); 605 private final AtomicLong mLastWritten = new AtomicLong(0); 606 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 607 608 private boolean mIsFirstBoot = false; 609 610 boolean isFirstBoot() { 611 return mIsFirstBoot; 612 } 613 614 void write(boolean force) { 615 if (force) { 616 writeInternal(); 617 return; 618 } 619 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 620 && !DEBUG_DEXOPT) { 621 return; 622 } 623 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 624 new Thread("PackageUsage_DiskWriter") { 625 @Override 626 public void run() { 627 try { 628 writeInternal(); 629 } finally { 630 mBackgroundWriteRunning.set(false); 631 } 632 } 633 }.start(); 634 } 635 } 636 637 private void writeInternal() { 638 synchronized (mPackages) { 639 synchronized (mFileLock) { 640 AtomicFile file = getFile(); 641 FileOutputStream f = null; 642 try { 643 f = file.startWrite(); 644 BufferedOutputStream out = new BufferedOutputStream(f); 645 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 646 StringBuilder sb = new StringBuilder(); 647 for (PackageParser.Package pkg : mPackages.values()) { 648 if (pkg.mLastPackageUsageTimeInMills == 0) { 649 continue; 650 } 651 sb.setLength(0); 652 sb.append(pkg.packageName); 653 sb.append(' '); 654 sb.append((long)pkg.mLastPackageUsageTimeInMills); 655 sb.append('\n'); 656 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 657 } 658 out.flush(); 659 file.finishWrite(f); 660 } catch (IOException e) { 661 if (f != null) { 662 file.failWrite(f); 663 } 664 Log.e(TAG, "Failed to write package usage times", e); 665 } 666 } 667 } 668 mLastWritten.set(SystemClock.elapsedRealtime()); 669 } 670 671 void readLP() { 672 synchronized (mFileLock) { 673 AtomicFile file = getFile(); 674 BufferedInputStream in = null; 675 try { 676 in = new BufferedInputStream(file.openRead()); 677 StringBuffer sb = new StringBuffer(); 678 while (true) { 679 String packageName = readToken(in, sb, ' '); 680 if (packageName == null) { 681 break; 682 } 683 String timeInMillisString = readToken(in, sb, '\n'); 684 if (timeInMillisString == null) { 685 throw new IOException("Failed to find last usage time for package " 686 + packageName); 687 } 688 PackageParser.Package pkg = mPackages.get(packageName); 689 if (pkg == null) { 690 continue; 691 } 692 long timeInMillis; 693 try { 694 timeInMillis = Long.parseLong(timeInMillisString.toString()); 695 } catch (NumberFormatException e) { 696 throw new IOException("Failed to parse " + timeInMillisString 697 + " as a long.", e); 698 } 699 pkg.mLastPackageUsageTimeInMills = timeInMillis; 700 } 701 } catch (FileNotFoundException expected) { 702 mIsFirstBoot = true; 703 } catch (IOException e) { 704 Log.w(TAG, "Failed to read package usage times", e); 705 } finally { 706 IoUtils.closeQuietly(in); 707 } 708 } 709 mLastWritten.set(SystemClock.elapsedRealtime()); 710 } 711 712 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 713 throws IOException { 714 sb.setLength(0); 715 while (true) { 716 int ch = in.read(); 717 if (ch == -1) { 718 if (sb.length() == 0) { 719 return null; 720 } 721 throw new IOException("Unexpected EOF"); 722 } 723 if (ch == endOfToken) { 724 return sb.toString(); 725 } 726 sb.append((char)ch); 727 } 728 } 729 730 private AtomicFile getFile() { 731 File dataDir = Environment.getDataDirectory(); 732 File systemDir = new File(dataDir, "system"); 733 File fname = new File(systemDir, "package-usage.list"); 734 return new AtomicFile(fname); 735 } 736 } 737 738 class PackageHandler extends Handler { 739 private boolean mBound = false; 740 final ArrayList<HandlerParams> mPendingInstalls = 741 new ArrayList<HandlerParams>(); 742 743 private boolean connectToService() { 744 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 745 " DefaultContainerService"); 746 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 747 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 748 if (mContext.bindServiceAsUser(service, mDefContainerConn, 749 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 750 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 751 mBound = true; 752 return true; 753 } 754 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 755 return false; 756 } 757 758 private void disconnectService() { 759 mContainerService = null; 760 mBound = false; 761 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 762 mContext.unbindService(mDefContainerConn); 763 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 764 } 765 766 PackageHandler(Looper looper) { 767 super(looper); 768 } 769 770 public void handleMessage(Message msg) { 771 try { 772 doHandleMessage(msg); 773 } finally { 774 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 775 } 776 } 777 778 void doHandleMessage(Message msg) { 779 switch (msg.what) { 780 case INIT_COPY: { 781 HandlerParams params = (HandlerParams) msg.obj; 782 int idx = mPendingInstalls.size(); 783 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 784 // If a bind was already initiated we dont really 785 // need to do anything. The pending install 786 // will be processed later on. 787 if (!mBound) { 788 // If this is the only one pending we might 789 // have to bind to the service again. 790 if (!connectToService()) { 791 Slog.e(TAG, "Failed to bind to media container service"); 792 params.serviceError(); 793 return; 794 } else { 795 // Once we bind to the service, the first 796 // pending request will be processed. 797 mPendingInstalls.add(idx, params); 798 } 799 } else { 800 mPendingInstalls.add(idx, params); 801 // Already bound to the service. Just make 802 // sure we trigger off processing the first request. 803 if (idx == 0) { 804 mHandler.sendEmptyMessage(MCS_BOUND); 805 } 806 } 807 break; 808 } 809 case MCS_BOUND: { 810 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 811 if (msg.obj != null) { 812 mContainerService = (IMediaContainerService) msg.obj; 813 } 814 if (mContainerService == null) { 815 // Something seriously wrong. Bail out 816 Slog.e(TAG, "Cannot bind to media container service"); 817 for (HandlerParams params : mPendingInstalls) { 818 // Indicate service bind error 819 params.serviceError(); 820 } 821 mPendingInstalls.clear(); 822 } else if (mPendingInstalls.size() > 0) { 823 HandlerParams params = mPendingInstalls.get(0); 824 if (params != null) { 825 if (params.startCopy()) { 826 // We are done... look for more work or to 827 // go idle. 828 if (DEBUG_SD_INSTALL) Log.i(TAG, 829 "Checking for more work or unbind..."); 830 // Delete pending install 831 if (mPendingInstalls.size() > 0) { 832 mPendingInstalls.remove(0); 833 } 834 if (mPendingInstalls.size() == 0) { 835 if (mBound) { 836 if (DEBUG_SD_INSTALL) Log.i(TAG, 837 "Posting delayed MCS_UNBIND"); 838 removeMessages(MCS_UNBIND); 839 Message ubmsg = obtainMessage(MCS_UNBIND); 840 // Unbind after a little delay, to avoid 841 // continual thrashing. 842 sendMessageDelayed(ubmsg, 10000); 843 } 844 } else { 845 // There are more pending requests in queue. 846 // Just post MCS_BOUND message to trigger processing 847 // of next pending install. 848 if (DEBUG_SD_INSTALL) Log.i(TAG, 849 "Posting MCS_BOUND for next woek"); 850 mHandler.sendEmptyMessage(MCS_BOUND); 851 } 852 } 853 } 854 } else { 855 // Should never happen ideally. 856 Slog.w(TAG, "Empty queue"); 857 } 858 break; 859 } 860 case MCS_RECONNECT: { 861 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 862 if (mPendingInstalls.size() > 0) { 863 if (mBound) { 864 disconnectService(); 865 } 866 if (!connectToService()) { 867 Slog.e(TAG, "Failed to bind to media container service"); 868 for (HandlerParams params : mPendingInstalls) { 869 // Indicate service bind error 870 params.serviceError(); 871 } 872 mPendingInstalls.clear(); 873 } 874 } 875 break; 876 } 877 case MCS_UNBIND: { 878 // If there is no actual work left, then time to unbind. 879 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 880 881 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 882 if (mBound) { 883 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 884 885 disconnectService(); 886 } 887 } else if (mPendingInstalls.size() > 0) { 888 // There are more pending requests in queue. 889 // Just post MCS_BOUND message to trigger processing 890 // of next pending install. 891 mHandler.sendEmptyMessage(MCS_BOUND); 892 } 893 894 break; 895 } 896 case MCS_GIVE_UP: { 897 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 898 mPendingInstalls.remove(0); 899 break; 900 } 901 case SEND_PENDING_BROADCAST: { 902 String packages[]; 903 ArrayList<String> components[]; 904 int size = 0; 905 int uids[]; 906 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 907 synchronized (mPackages) { 908 if (mPendingBroadcasts == null) { 909 return; 910 } 911 size = mPendingBroadcasts.size(); 912 if (size <= 0) { 913 // Nothing to be done. Just return 914 return; 915 } 916 packages = new String[size]; 917 components = new ArrayList[size]; 918 uids = new int[size]; 919 int i = 0; // filling out the above arrays 920 921 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 922 int packageUserId = mPendingBroadcasts.userIdAt(n); 923 Iterator<Map.Entry<String, ArrayList<String>>> it 924 = mPendingBroadcasts.packagesForUserId(packageUserId) 925 .entrySet().iterator(); 926 while (it.hasNext() && i < size) { 927 Map.Entry<String, ArrayList<String>> ent = it.next(); 928 packages[i] = ent.getKey(); 929 components[i] = ent.getValue(); 930 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 931 uids[i] = (ps != null) 932 ? UserHandle.getUid(packageUserId, ps.appId) 933 : -1; 934 i++; 935 } 936 } 937 size = i; 938 mPendingBroadcasts.clear(); 939 } 940 // Send broadcasts 941 for (int i = 0; i < size; i++) { 942 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 943 } 944 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 945 break; 946 } 947 case START_CLEANING_PACKAGE: { 948 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 949 final String packageName = (String)msg.obj; 950 final int userId = msg.arg1; 951 final boolean andCode = msg.arg2 != 0; 952 synchronized (mPackages) { 953 if (userId == UserHandle.USER_ALL) { 954 int[] users = sUserManager.getUserIds(); 955 for (int user : users) { 956 mSettings.addPackageToCleanLPw( 957 new PackageCleanItem(user, packageName, andCode)); 958 } 959 } else { 960 mSettings.addPackageToCleanLPw( 961 new PackageCleanItem(userId, packageName, andCode)); 962 } 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 startCleaningPackages(); 966 } break; 967 case POST_INSTALL: { 968 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 969 PostInstallData data = mRunningInstalls.get(msg.arg1); 970 mRunningInstalls.delete(msg.arg1); 971 boolean deleteOld = false; 972 973 if (data != null) { 974 InstallArgs args = data.args; 975 PackageInstalledInfo res = data.res; 976 977 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 978 res.removedInfo.sendBroadcast(false, true, false); 979 Bundle extras = new Bundle(1); 980 extras.putInt(Intent.EXTRA_UID, res.uid); 981 // Determine the set of users who are adding this 982 // package for the first time vs. those who are seeing 983 // an update. 984 int[] firstUsers; 985 int[] updateUsers = new int[0]; 986 if (res.origUsers == null || res.origUsers.length == 0) { 987 firstUsers = res.newUsers; 988 } else { 989 firstUsers = new int[0]; 990 for (int i=0; i<res.newUsers.length; i++) { 991 int user = res.newUsers[i]; 992 boolean isNew = true; 993 for (int j=0; j<res.origUsers.length; j++) { 994 if (res.origUsers[j] == user) { 995 isNew = false; 996 break; 997 } 998 } 999 if (isNew) { 1000 int[] newFirst = new int[firstUsers.length+1]; 1001 System.arraycopy(firstUsers, 0, newFirst, 0, 1002 firstUsers.length); 1003 newFirst[firstUsers.length] = user; 1004 firstUsers = newFirst; 1005 } else { 1006 int[] newUpdate = new int[updateUsers.length+1]; 1007 System.arraycopy(updateUsers, 0, newUpdate, 0, 1008 updateUsers.length); 1009 newUpdate[updateUsers.length] = user; 1010 updateUsers = newUpdate; 1011 } 1012 } 1013 } 1014 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1015 res.pkg.applicationInfo.packageName, 1016 extras, null, null, firstUsers); 1017 final boolean update = res.removedInfo.removedPackage != null; 1018 if (update) { 1019 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1020 } 1021 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1022 res.pkg.applicationInfo.packageName, 1023 extras, null, null, updateUsers); 1024 if (update) { 1025 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1026 res.pkg.applicationInfo.packageName, 1027 extras, null, null, updateUsers); 1028 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1029 null, null, 1030 res.pkg.applicationInfo.packageName, null, updateUsers); 1031 1032 // treat asec-hosted packages like removable media on upgrade 1033 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1034 if (DEBUG_INSTALL) { 1035 Slog.i(TAG, "upgrading pkg " + res.pkg 1036 + " is ASEC-hosted -> AVAILABLE"); 1037 } 1038 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1039 ArrayList<String> pkgList = new ArrayList<String>(1); 1040 pkgList.add(res.pkg.applicationInfo.packageName); 1041 sendResourcesChangedBroadcast(true, true, 1042 pkgList,uidArray, null); 1043 } 1044 } 1045 if (res.removedInfo.args != null) { 1046 // Remove the replaced package's older resources safely now 1047 deleteOld = true; 1048 } 1049 1050 // Log current value of "unknown sources" setting 1051 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1052 getUnknownSourcesSettings()); 1053 } 1054 // Force a gc to clear up things 1055 Runtime.getRuntime().gc(); 1056 // We delete after a gc for applications on sdcard. 1057 if (deleteOld) { 1058 synchronized (mInstallLock) { 1059 res.removedInfo.args.doPostDeleteLI(true); 1060 } 1061 } 1062 if (args.observer != null) { 1063 try { 1064 args.observer.packageInstalled(res.name, res.returnCode); 1065 } catch (RemoteException e) { 1066 Slog.i(TAG, "Observer no longer exists."); 1067 } 1068 } 1069 } else { 1070 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1071 } 1072 } break; 1073 case UPDATED_MEDIA_STATUS: { 1074 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1075 boolean reportStatus = msg.arg1 == 1; 1076 boolean doGc = msg.arg2 == 1; 1077 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1078 if (doGc) { 1079 // Force a gc to clear up stale containers. 1080 Runtime.getRuntime().gc(); 1081 } 1082 if (msg.obj != null) { 1083 @SuppressWarnings("unchecked") 1084 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1085 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1086 // Unload containers 1087 unloadAllContainers(args); 1088 } 1089 if (reportStatus) { 1090 try { 1091 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1092 PackageHelper.getMountService().finishMediaUpdate(); 1093 } catch (RemoteException e) { 1094 Log.e(TAG, "MountService not running?"); 1095 } 1096 } 1097 } break; 1098 case WRITE_SETTINGS: { 1099 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1100 synchronized (mPackages) { 1101 removeMessages(WRITE_SETTINGS); 1102 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1103 mSettings.writeLPr(); 1104 mDirtyUsers.clear(); 1105 } 1106 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1107 } break; 1108 case WRITE_PACKAGE_RESTRICTIONS: { 1109 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1110 synchronized (mPackages) { 1111 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1112 for (int userId : mDirtyUsers) { 1113 mSettings.writePackageRestrictionsLPr(userId); 1114 } 1115 mDirtyUsers.clear(); 1116 } 1117 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1118 } break; 1119 case CHECK_PENDING_VERIFICATION: { 1120 final int verificationId = msg.arg1; 1121 final PackageVerificationState state = mPendingVerification.get(verificationId); 1122 1123 if ((state != null) && !state.timeoutExtended()) { 1124 final InstallArgs args = state.getInstallArgs(); 1125 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1126 mPendingVerification.remove(verificationId); 1127 1128 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1129 1130 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1131 Slog.i(TAG, "Continuing with installation of " 1132 + args.packageURI.toString()); 1133 state.setVerifierResponse(Binder.getCallingUid(), 1134 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1135 broadcastPackageVerified(verificationId, args.packageURI, 1136 PackageManager.VERIFICATION_ALLOW, 1137 state.getInstallArgs().getUser()); 1138 try { 1139 ret = args.copyApk(mContainerService, true); 1140 } catch (RemoteException e) { 1141 Slog.e(TAG, "Could not contact the ContainerService"); 1142 } 1143 } else { 1144 broadcastPackageVerified(verificationId, args.packageURI, 1145 PackageManager.VERIFICATION_REJECT, 1146 state.getInstallArgs().getUser()); 1147 } 1148 1149 processPendingInstall(args, ret); 1150 mHandler.sendEmptyMessage(MCS_UNBIND); 1151 } 1152 break; 1153 } 1154 case PACKAGE_VERIFIED: { 1155 final int verificationId = msg.arg1; 1156 1157 final PackageVerificationState state = mPendingVerification.get(verificationId); 1158 if (state == null) { 1159 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1160 break; 1161 } 1162 1163 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1164 1165 state.setVerifierResponse(response.callerUid, response.code); 1166 1167 if (state.isVerificationComplete()) { 1168 mPendingVerification.remove(verificationId); 1169 1170 final InstallArgs args = state.getInstallArgs(); 1171 1172 int ret; 1173 if (state.isInstallAllowed()) { 1174 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1175 broadcastPackageVerified(verificationId, args.packageURI, 1176 response.code, state.getInstallArgs().getUser()); 1177 try { 1178 ret = args.copyApk(mContainerService, true); 1179 } catch (RemoteException e) { 1180 Slog.e(TAG, "Could not contact the ContainerService"); 1181 } 1182 } else { 1183 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1184 } 1185 1186 processPendingInstall(args, ret); 1187 1188 mHandler.sendEmptyMessage(MCS_UNBIND); 1189 } 1190 1191 break; 1192 } 1193 } 1194 } 1195 } 1196 1197 void scheduleWriteSettingsLocked() { 1198 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1199 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1200 } 1201 } 1202 1203 void scheduleWritePackageRestrictionsLocked(int userId) { 1204 if (!sUserManager.exists(userId)) return; 1205 mDirtyUsers.add(userId); 1206 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1207 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1208 } 1209 } 1210 1211 public static final IPackageManager main(Context context, Installer installer, 1212 boolean factoryTest, boolean onlyCore) { 1213 PackageManagerService m = new PackageManagerService(context, installer, 1214 factoryTest, onlyCore); 1215 ServiceManager.addService("package", m); 1216 return m; 1217 } 1218 1219 static String[] splitString(String str, char sep) { 1220 int count = 1; 1221 int i = 0; 1222 while ((i=str.indexOf(sep, i)) >= 0) { 1223 count++; 1224 i++; 1225 } 1226 1227 String[] res = new String[count]; 1228 i=0; 1229 count = 0; 1230 int lastI=0; 1231 while ((i=str.indexOf(sep, i)) >= 0) { 1232 res[count] = str.substring(lastI, i); 1233 count++; 1234 i++; 1235 lastI = i; 1236 } 1237 res[count] = str.substring(lastI, str.length()); 1238 return res; 1239 } 1240 1241 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1242 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1243 Context.DISPLAY_SERVICE); 1244 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1245 } 1246 1247 public PackageManagerService(Context context, Installer installer, 1248 boolean factoryTest, boolean onlyCore) { 1249 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1250 SystemClock.uptimeMillis()); 1251 1252 if (mSdkVersion <= 0) { 1253 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1254 } 1255 1256 mContext = context; 1257 mFactoryTest = factoryTest; 1258 mOnlyCore = onlyCore; 1259 mMetrics = new DisplayMetrics(); 1260 mSettings = new Settings(context); 1261 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1262 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1263 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1264 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1265 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1266 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1267 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1268 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1269 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1270 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1271 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1272 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1273 1274 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1275 if (separateProcesses != null && separateProcesses.length() > 0) { 1276 if ("*".equals(separateProcesses)) { 1277 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1278 mSeparateProcesses = null; 1279 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1280 } else { 1281 mDefParseFlags = 0; 1282 mSeparateProcesses = separateProcesses.split(","); 1283 Slog.w(TAG, "Running with debug.separate_processes: " 1284 + separateProcesses); 1285 } 1286 } else { 1287 mDefParseFlags = 0; 1288 mSeparateProcesses = null; 1289 } 1290 1291 mInstaller = installer; 1292 1293 getDefaultDisplayMetrics(context, mMetrics); 1294 1295 synchronized (mInstallLock) { 1296 // writer 1297 synchronized (mPackages) { 1298 mHandlerThread = new ServiceThread(TAG, 1299 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1300 mHandlerThread.start(); 1301 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1302 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1303 1304 File dataDir = Environment.getDataDirectory(); 1305 mAppDataDir = new File(dataDir, "data"); 1306 mAppInstallDir = new File(dataDir, "app"); 1307 mAppLibInstallDir = new File(dataDir, "app-lib"); 1308 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1309 mUserAppDataDir = new File(dataDir, "user"); 1310 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1311 1312 sUserManager = new UserManagerService(context, this, 1313 mInstallLock, mPackages); 1314 1315 readPermissions(); 1316 1317 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1318 1319 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1320 mSdkVersion, mOnlyCore); 1321 1322 String customResolverActivity = Resources.getSystem().getString( 1323 R.string.config_customResolverActivity); 1324 if (TextUtils.isEmpty(customResolverActivity)) { 1325 customResolverActivity = null; 1326 } else { 1327 mCustomResolverComponentName = ComponentName.unflattenFromString( 1328 customResolverActivity); 1329 } 1330 1331 long startTime = SystemClock.uptimeMillis(); 1332 1333 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1334 startTime); 1335 1336 // Set flag to monitor and not change apk file paths when 1337 // scanning install directories. 1338 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1339 1340 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1341 1342 /** 1343 * Add everything in the in the boot class path to the 1344 * list of process files because dexopt will have been run 1345 * if necessary during zygote startup. 1346 */ 1347 String bootClassPath = System.getProperty("java.boot.class.path"); 1348 if (bootClassPath != null) { 1349 String[] paths = splitString(bootClassPath, ':'); 1350 for (int i=0; i<paths.length; i++) { 1351 alreadyDexOpted.add(paths[i]); 1352 } 1353 } else { 1354 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1355 } 1356 1357 boolean didDexOptLibraryOrTool = false; 1358 1359 final List<String> instructionSets = getAllInstructionSets(); 1360 1361 /** 1362 * Ensure all external libraries have had dexopt run on them. 1363 */ 1364 if (mSharedLibraries.size() > 0) { 1365 // NOTE: For now, we're compiling these system "shared libraries" 1366 // (and framework jars) into all available architectures. It's possible 1367 // to compile them only when we come across an app that uses them (there's 1368 // already logic for that in scanPackageLI) but that adds some complexity. 1369 for (String instructionSet : instructionSets) { 1370 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1371 final String lib = libEntry.path; 1372 if (lib == null) { 1373 continue; 1374 } 1375 1376 try { 1377 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1378 alreadyDexOpted.add(lib); 1379 1380 // The list of "shared libraries" we have at this point is 1381 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1382 didDexOptLibraryOrTool = true; 1383 } 1384 } catch (FileNotFoundException e) { 1385 Slog.w(TAG, "Library not found: " + lib); 1386 } catch (IOException e) { 1387 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1388 + e.getMessage()); 1389 } 1390 } 1391 } 1392 } 1393 1394 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1395 1396 // Gross hack for now: we know this file doesn't contain any 1397 // code, so don't dexopt it to avoid the resulting log spew. 1398 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1399 1400 // Gross hack for now: we know this file is only part of 1401 // the boot class path for art, so don't dexopt it to 1402 // avoid the resulting log spew. 1403 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1404 1405 /** 1406 * And there are a number of commands implemented in Java, which 1407 * we currently need to do the dexopt on so that they can be 1408 * run from a non-root shell. 1409 */ 1410 String[] frameworkFiles = frameworkDir.list(); 1411 if (frameworkFiles != null) { 1412 // TODO: We could compile these only for the most preferred ABI. We should 1413 // first double check that the dex files for these commands are not referenced 1414 // by other system apps. 1415 for (String instructionSet : instructionSets) { 1416 for (int i=0; i<frameworkFiles.length; i++) { 1417 File libPath = new File(frameworkDir, frameworkFiles[i]); 1418 String path = libPath.getPath(); 1419 // Skip the file if we already did it. 1420 if (alreadyDexOpted.contains(path)) { 1421 continue; 1422 } 1423 // Skip the file if it is not a type we want to dexopt. 1424 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1425 continue; 1426 } 1427 try { 1428 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1429 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1430 didDexOptLibraryOrTool = true; 1431 } 1432 } catch (FileNotFoundException e) { 1433 Slog.w(TAG, "Jar not found: " + path); 1434 } catch (IOException e) { 1435 Slog.w(TAG, "Exception reading jar: " + path, e); 1436 } 1437 } 1438 } 1439 } 1440 1441 if (didDexOptLibraryOrTool) { 1442 pruneDexFiles(new File(dataDir, "dalvik-cache")); 1443 } 1444 1445 // Collect vendor overlay packages. 1446 // (Do this before scanning any apps.) 1447 // For security and version matching reason, only consider 1448 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1449 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1450 mVendorOverlayInstallObserver = new AppDirObserver( 1451 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1452 mVendorOverlayInstallObserver.startWatching(); 1453 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1454 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1455 1456 // Find base frameworks (resource packages without code). 1457 mFrameworkInstallObserver = new AppDirObserver( 1458 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1459 mFrameworkInstallObserver.startWatching(); 1460 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1461 | PackageParser.PARSE_IS_SYSTEM_DIR 1462 | PackageParser.PARSE_IS_PRIVILEGED, 1463 scanMode | SCAN_NO_DEX, 0); 1464 1465 // Collected privileged system packages. 1466 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1467 mPrivilegedInstallObserver = new AppDirObserver( 1468 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1469 mPrivilegedInstallObserver.startWatching(); 1470 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1471 | PackageParser.PARSE_IS_SYSTEM_DIR 1472 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1473 1474 // Collect ordinary system packages. 1475 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1476 mSystemInstallObserver = new AppDirObserver( 1477 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1478 mSystemInstallObserver.startWatching(); 1479 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1480 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1481 1482 // Collect all vendor packages. 1483 File vendorAppDir = new File("/vendor/app"); 1484 try { 1485 vendorAppDir = vendorAppDir.getCanonicalFile(); 1486 } catch (IOException e) { 1487 // failed to look up canonical path, continue with original one 1488 } 1489 mVendorInstallObserver = new AppDirObserver( 1490 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1491 mVendorInstallObserver.startWatching(); 1492 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1493 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1494 1495 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1496 mInstaller.moveFiles(); 1497 1498 // Prune any system packages that no longer exist. 1499 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1500 if (!mOnlyCore) { 1501 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1502 while (psit.hasNext()) { 1503 PackageSetting ps = psit.next(); 1504 1505 /* 1506 * If this is not a system app, it can't be a 1507 * disable system app. 1508 */ 1509 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1510 continue; 1511 } 1512 1513 /* 1514 * If the package is scanned, it's not erased. 1515 */ 1516 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1517 if (scannedPkg != null) { 1518 /* 1519 * If the system app is both scanned and in the 1520 * disabled packages list, then it must have been 1521 * added via OTA. Remove it from the currently 1522 * scanned package so the previously user-installed 1523 * application can be scanned. 1524 */ 1525 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1526 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1527 + "; removing system app"); 1528 removePackageLI(ps, true); 1529 } 1530 1531 continue; 1532 } 1533 1534 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1535 psit.remove(); 1536 String msg = "System package " + ps.name 1537 + " no longer exists; wiping its data"; 1538 reportSettingsProblem(Log.WARN, msg); 1539 removeDataDirsLI(ps.name); 1540 } else { 1541 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1542 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1543 possiblyDeletedUpdatedSystemApps.add(ps.name); 1544 } 1545 } 1546 } 1547 } 1548 1549 //look for any incomplete package installations 1550 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1551 //clean up list 1552 for(int i = 0; i < deletePkgsList.size(); i++) { 1553 //clean up here 1554 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1555 } 1556 //delete tmp files 1557 deleteTempPackageFiles(); 1558 1559 // Remove any shared userIDs that have no associated packages 1560 mSettings.pruneSharedUsersLPw(); 1561 1562 if (!mOnlyCore) { 1563 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1564 SystemClock.uptimeMillis()); 1565 mAppInstallObserver = new AppDirObserver( 1566 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1567 mAppInstallObserver.startWatching(); 1568 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1569 1570 mDrmAppInstallObserver = new AppDirObserver( 1571 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1572 mDrmAppInstallObserver.startWatching(); 1573 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1574 scanMode, 0); 1575 1576 /** 1577 * Remove disable package settings for any updated system 1578 * apps that were removed via an OTA. If they're not a 1579 * previously-updated app, remove them completely. 1580 * Otherwise, just revoke their system-level permissions. 1581 */ 1582 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1583 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1584 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1585 1586 String msg; 1587 if (deletedPkg == null) { 1588 msg = "Updated system package " + deletedAppName 1589 + " no longer exists; wiping its data"; 1590 removeDataDirsLI(deletedAppName); 1591 } else { 1592 msg = "Updated system app + " + deletedAppName 1593 + " no longer present; removing system privileges for " 1594 + deletedAppName; 1595 1596 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1597 1598 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1599 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1600 } 1601 reportSettingsProblem(Log.WARN, msg); 1602 } 1603 } else { 1604 mAppInstallObserver = null; 1605 mDrmAppInstallObserver = null; 1606 } 1607 1608 // Now that we know all of the shared libraries, update all clients to have 1609 // the correct library paths. 1610 updateAllSharedLibrariesLPw(); 1611 1612 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1613 // NOTE: We ignore potential failures here during a system scan (like 1614 // the rest of the commands above) because there's precious little we 1615 // can do about it. A settings error is reported, though. 1616 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1617 false /* force dexopt */, false /* defer dexopt */); 1618 } 1619 1620 // Now that we know all the packages we are keeping, 1621 // read and update their last usage times. 1622 mPackageUsage.readLP(); 1623 1624 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1625 SystemClock.uptimeMillis()); 1626 Slog.i(TAG, "Time to scan packages: " 1627 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1628 + " seconds"); 1629 1630 // If the platform SDK has changed since the last time we booted, 1631 // we need to re-grant app permission to catch any new ones that 1632 // appear. This is really a hack, and means that apps can in some 1633 // cases get permissions that the user didn't initially explicitly 1634 // allow... it would be nice to have some better way to handle 1635 // this situation. 1636 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1637 != mSdkVersion; 1638 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1639 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1640 + "; regranting permissions for internal storage"); 1641 mSettings.mInternalSdkPlatform = mSdkVersion; 1642 1643 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1644 | (regrantPermissions 1645 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1646 : 0)); 1647 1648 // If this is the first boot, and it is a normal boot, then 1649 // we need to initialize the default preferred apps. 1650 if (!mRestoredSettings && !onlyCore) { 1651 mSettings.readDefaultPreferredAppsLPw(this, 0); 1652 } 1653 1654 // can downgrade to reader 1655 mSettings.writeLPr(); 1656 1657 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1658 SystemClock.uptimeMillis()); 1659 1660 // Now after opening every single application zip, make sure they 1661 // are all flushed. Not really needed, but keeps things nice and 1662 // tidy. 1663 Runtime.getRuntime().gc(); 1664 1665 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1666 } // synchronized (mPackages) 1667 } // synchronized (mInstallLock) 1668 } 1669 1670 private static void pruneDexFiles(File cacheDir) { 1671 // If we had to do a dexopt of one of the previous 1672 // things, then something on the system has changed. 1673 // Consider this significant, and wipe away all other 1674 // existing dexopt files to ensure we don't leave any 1675 // dangling around. 1676 // 1677 // Additionally, delete all dex files from the root directory 1678 // since there shouldn't be any there anyway. 1679 // 1680 // Note: This isn't as good an indicator as it used to be. It 1681 // used to include the boot classpath but at some point 1682 // DexFile.isDexOptNeeded started returning false for the boot 1683 // class path files in all cases. It is very possible in a 1684 // small maintenance release update that the library and tool 1685 // jars may be unchanged but APK could be removed resulting in 1686 // unused dalvik-cache files. 1687 File[] files = cacheDir.listFiles(); 1688 if (files != null) { 1689 for (File file : files) { 1690 if (!file.isDirectory()) { 1691 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1692 file.delete(); 1693 } else { 1694 File[] subDirList = file.listFiles(); 1695 if (subDirList != null) { 1696 for (File subDirFile : subDirList) { 1697 final String fn = subDirFile.getName(); 1698 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1699 Slog.i(TAG, "Pruning dalvik file: " + fn); 1700 subDirFile.delete(); 1701 } 1702 } 1703 } 1704 } 1705 } 1706 } 1707 } 1708 1709 @Override 1710 public boolean isFirstBoot() { 1711 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1712 } 1713 1714 @Override 1715 public boolean isOnlyCoreApps() { 1716 return mOnlyCore; 1717 } 1718 1719 private String getRequiredVerifierLPr() { 1720 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1721 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1722 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1723 1724 String requiredVerifier = null; 1725 1726 final int N = receivers.size(); 1727 for (int i = 0; i < N; i++) { 1728 final ResolveInfo info = receivers.get(i); 1729 1730 if (info.activityInfo == null) { 1731 continue; 1732 } 1733 1734 final String packageName = info.activityInfo.packageName; 1735 1736 final PackageSetting ps = mSettings.mPackages.get(packageName); 1737 if (ps == null) { 1738 continue; 1739 } 1740 1741 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1742 if (!gp.grantedPermissions 1743 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1744 continue; 1745 } 1746 1747 if (requiredVerifier != null) { 1748 throw new RuntimeException("There can be only one required verifier"); 1749 } 1750 1751 requiredVerifier = packageName; 1752 } 1753 1754 return requiredVerifier; 1755 } 1756 1757 @Override 1758 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1759 throws RemoteException { 1760 try { 1761 return super.onTransact(code, data, reply, flags); 1762 } catch (RuntimeException e) { 1763 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1764 Slog.wtf(TAG, "Package Manager Crash", e); 1765 } 1766 throw e; 1767 } 1768 } 1769 1770 void cleanupInstallFailedPackage(PackageSetting ps) { 1771 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1772 removeDataDirsLI(ps.name); 1773 if (ps.codePath != null) { 1774 if (!ps.codePath.delete()) { 1775 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1776 } 1777 } 1778 if (ps.resourcePath != null) { 1779 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1780 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1781 } 1782 } 1783 mSettings.removePackageLPw(ps.name); 1784 } 1785 1786 void readPermissions() { 1787 // Read permissions from .../etc/permission directory. 1788 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1789 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1790 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1791 return; 1792 } 1793 if (!libraryDir.canRead()) { 1794 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1795 return; 1796 } 1797 1798 // Iterate over the files in the directory and scan .xml files 1799 for (File f : libraryDir.listFiles()) { 1800 // We'll read platform.xml last 1801 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1802 continue; 1803 } 1804 1805 if (!f.getPath().endsWith(".xml")) { 1806 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1807 continue; 1808 } 1809 if (!f.canRead()) { 1810 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1811 continue; 1812 } 1813 1814 readPermissionsFromXml(f); 1815 } 1816 1817 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1818 final File permFile = new File(Environment.getRootDirectory(), 1819 "etc/permissions/platform.xml"); 1820 readPermissionsFromXml(permFile); 1821 } 1822 1823 private void readPermissionsFromXml(File permFile) { 1824 FileReader permReader = null; 1825 try { 1826 permReader = new FileReader(permFile); 1827 } catch (FileNotFoundException e) { 1828 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1829 return; 1830 } 1831 1832 try { 1833 XmlPullParser parser = Xml.newPullParser(); 1834 parser.setInput(permReader); 1835 1836 XmlUtils.beginDocument(parser, "permissions"); 1837 1838 while (true) { 1839 XmlUtils.nextElement(parser); 1840 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1841 break; 1842 } 1843 1844 String name = parser.getName(); 1845 if ("group".equals(name)) { 1846 String gidStr = parser.getAttributeValue(null, "gid"); 1847 if (gidStr != null) { 1848 int gid = Process.getGidForName(gidStr); 1849 mGlobalGids = appendInt(mGlobalGids, gid); 1850 } else { 1851 Slog.w(TAG, "<group> without gid at " 1852 + parser.getPositionDescription()); 1853 } 1854 1855 XmlUtils.skipCurrentTag(parser); 1856 continue; 1857 } else if ("permission".equals(name)) { 1858 String perm = parser.getAttributeValue(null, "name"); 1859 if (perm == null) { 1860 Slog.w(TAG, "<permission> without name at " 1861 + parser.getPositionDescription()); 1862 XmlUtils.skipCurrentTag(parser); 1863 continue; 1864 } 1865 perm = perm.intern(); 1866 readPermission(parser, perm); 1867 1868 } else if ("assign-permission".equals(name)) { 1869 String perm = parser.getAttributeValue(null, "name"); 1870 if (perm == null) { 1871 Slog.w(TAG, "<assign-permission> without name at " 1872 + parser.getPositionDescription()); 1873 XmlUtils.skipCurrentTag(parser); 1874 continue; 1875 } 1876 String uidStr = parser.getAttributeValue(null, "uid"); 1877 if (uidStr == null) { 1878 Slog.w(TAG, "<assign-permission> without uid at " 1879 + parser.getPositionDescription()); 1880 XmlUtils.skipCurrentTag(parser); 1881 continue; 1882 } 1883 int uid = Process.getUidForName(uidStr); 1884 if (uid < 0) { 1885 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1886 + uidStr + "\" at " 1887 + parser.getPositionDescription()); 1888 XmlUtils.skipCurrentTag(parser); 1889 continue; 1890 } 1891 perm = perm.intern(); 1892 HashSet<String> perms = mSystemPermissions.get(uid); 1893 if (perms == null) { 1894 perms = new HashSet<String>(); 1895 mSystemPermissions.put(uid, perms); 1896 } 1897 perms.add(perm); 1898 XmlUtils.skipCurrentTag(parser); 1899 1900 } else if ("library".equals(name)) { 1901 String lname = parser.getAttributeValue(null, "name"); 1902 String lfile = parser.getAttributeValue(null, "file"); 1903 if (lname == null) { 1904 Slog.w(TAG, "<library> without name at " 1905 + parser.getPositionDescription()); 1906 } else if (lfile == null) { 1907 Slog.w(TAG, "<library> without file at " 1908 + parser.getPositionDescription()); 1909 } else { 1910 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1911 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1912 } 1913 XmlUtils.skipCurrentTag(parser); 1914 continue; 1915 1916 } else if ("feature".equals(name)) { 1917 String fname = parser.getAttributeValue(null, "name"); 1918 if (fname == null) { 1919 Slog.w(TAG, "<feature> without name at " 1920 + parser.getPositionDescription()); 1921 } else { 1922 //Log.i(TAG, "Got feature " + fname); 1923 FeatureInfo fi = new FeatureInfo(); 1924 fi.name = fname; 1925 mAvailableFeatures.put(fname, fi); 1926 } 1927 XmlUtils.skipCurrentTag(parser); 1928 continue; 1929 1930 } else { 1931 XmlUtils.skipCurrentTag(parser); 1932 continue; 1933 } 1934 1935 } 1936 permReader.close(); 1937 } catch (XmlPullParserException e) { 1938 Slog.w(TAG, "Got execption parsing permissions.", e); 1939 } catch (IOException e) { 1940 Slog.w(TAG, "Got execption parsing permissions.", e); 1941 } 1942 } 1943 1944 void readPermission(XmlPullParser parser, String name) 1945 throws IOException, XmlPullParserException { 1946 1947 name = name.intern(); 1948 1949 BasePermission bp = mSettings.mPermissions.get(name); 1950 if (bp == null) { 1951 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1952 mSettings.mPermissions.put(name, bp); 1953 } 1954 int outerDepth = parser.getDepth(); 1955 int type; 1956 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1957 && (type != XmlPullParser.END_TAG 1958 || parser.getDepth() > outerDepth)) { 1959 if (type == XmlPullParser.END_TAG 1960 || type == XmlPullParser.TEXT) { 1961 continue; 1962 } 1963 1964 String tagName = parser.getName(); 1965 if ("group".equals(tagName)) { 1966 String gidStr = parser.getAttributeValue(null, "gid"); 1967 if (gidStr != null) { 1968 int gid = Process.getGidForName(gidStr); 1969 bp.gids = appendInt(bp.gids, gid); 1970 } else { 1971 Slog.w(TAG, "<group> without gid at " 1972 + parser.getPositionDescription()); 1973 } 1974 } 1975 XmlUtils.skipCurrentTag(parser); 1976 } 1977 } 1978 1979 static int[] appendInts(int[] cur, int[] add) { 1980 if (add == null) return cur; 1981 if (cur == null) return add; 1982 final int N = add.length; 1983 for (int i=0; i<N; i++) { 1984 cur = appendInt(cur, add[i]); 1985 } 1986 return cur; 1987 } 1988 1989 static int[] removeInts(int[] cur, int[] rem) { 1990 if (rem == null) return cur; 1991 if (cur == null) return cur; 1992 final int N = rem.length; 1993 for (int i=0; i<N; i++) { 1994 cur = removeInt(cur, rem[i]); 1995 } 1996 return cur; 1997 } 1998 1999 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2000 if (!sUserManager.exists(userId)) return null; 2001 final PackageSetting ps = (PackageSetting) p.mExtras; 2002 if (ps == null) { 2003 return null; 2004 } 2005 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2006 final PackageUserState state = ps.readUserState(userId); 2007 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2008 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2009 state, userId); 2010 } 2011 2012 @Override 2013 public boolean isPackageAvailable(String packageName, int userId) { 2014 if (!sUserManager.exists(userId)) return false; 2015 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2016 synchronized (mPackages) { 2017 PackageParser.Package p = mPackages.get(packageName); 2018 if (p != null) { 2019 final PackageSetting ps = (PackageSetting) p.mExtras; 2020 if (ps != null) { 2021 final PackageUserState state = ps.readUserState(userId); 2022 if (state != null) { 2023 return PackageParser.isAvailable(state); 2024 } 2025 } 2026 } 2027 } 2028 return false; 2029 } 2030 2031 @Override 2032 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2033 if (!sUserManager.exists(userId)) return null; 2034 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2035 // reader 2036 synchronized (mPackages) { 2037 PackageParser.Package p = mPackages.get(packageName); 2038 if (DEBUG_PACKAGE_INFO) 2039 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2040 if (p != null) { 2041 return generatePackageInfo(p, flags, userId); 2042 } 2043 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2044 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2045 } 2046 } 2047 return null; 2048 } 2049 2050 @Override 2051 public String[] currentToCanonicalPackageNames(String[] names) { 2052 String[] out = new String[names.length]; 2053 // reader 2054 synchronized (mPackages) { 2055 for (int i=names.length-1; i>=0; i--) { 2056 PackageSetting ps = mSettings.mPackages.get(names[i]); 2057 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2058 } 2059 } 2060 return out; 2061 } 2062 2063 @Override 2064 public String[] canonicalToCurrentPackageNames(String[] names) { 2065 String[] out = new String[names.length]; 2066 // reader 2067 synchronized (mPackages) { 2068 for (int i=names.length-1; i>=0; i--) { 2069 String cur = mSettings.mRenamedPackages.get(names[i]); 2070 out[i] = cur != null ? cur : names[i]; 2071 } 2072 } 2073 return out; 2074 } 2075 2076 @Override 2077 public int getPackageUid(String packageName, int userId) { 2078 if (!sUserManager.exists(userId)) return -1; 2079 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2080 // reader 2081 synchronized (mPackages) { 2082 PackageParser.Package p = mPackages.get(packageName); 2083 if(p != null) { 2084 return UserHandle.getUid(userId, p.applicationInfo.uid); 2085 } 2086 PackageSetting ps = mSettings.mPackages.get(packageName); 2087 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2088 return -1; 2089 } 2090 p = ps.pkg; 2091 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2092 } 2093 } 2094 2095 @Override 2096 public int[] getPackageGids(String packageName) { 2097 // reader 2098 synchronized (mPackages) { 2099 PackageParser.Package p = mPackages.get(packageName); 2100 if (DEBUG_PACKAGE_INFO) 2101 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2102 if (p != null) { 2103 final PackageSetting ps = (PackageSetting)p.mExtras; 2104 return ps.getGids(); 2105 } 2106 } 2107 // stupid thing to indicate an error. 2108 return new int[0]; 2109 } 2110 2111 static final PermissionInfo generatePermissionInfo( 2112 BasePermission bp, int flags) { 2113 if (bp.perm != null) { 2114 return PackageParser.generatePermissionInfo(bp.perm, flags); 2115 } 2116 PermissionInfo pi = new PermissionInfo(); 2117 pi.name = bp.name; 2118 pi.packageName = bp.sourcePackage; 2119 pi.nonLocalizedLabel = bp.name; 2120 pi.protectionLevel = bp.protectionLevel; 2121 return pi; 2122 } 2123 2124 @Override 2125 public PermissionInfo getPermissionInfo(String name, int flags) { 2126 // reader 2127 synchronized (mPackages) { 2128 final BasePermission p = mSettings.mPermissions.get(name); 2129 if (p != null) { 2130 return generatePermissionInfo(p, flags); 2131 } 2132 return null; 2133 } 2134 } 2135 2136 @Override 2137 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2138 // reader 2139 synchronized (mPackages) { 2140 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2141 for (BasePermission p : mSettings.mPermissions.values()) { 2142 if (group == null) { 2143 if (p.perm == null || p.perm.info.group == null) { 2144 out.add(generatePermissionInfo(p, flags)); 2145 } 2146 } else { 2147 if (p.perm != null && group.equals(p.perm.info.group)) { 2148 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2149 } 2150 } 2151 } 2152 2153 if (out.size() > 0) { 2154 return out; 2155 } 2156 return mPermissionGroups.containsKey(group) ? out : null; 2157 } 2158 } 2159 2160 @Override 2161 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2162 // reader 2163 synchronized (mPackages) { 2164 return PackageParser.generatePermissionGroupInfo( 2165 mPermissionGroups.get(name), flags); 2166 } 2167 } 2168 2169 @Override 2170 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2171 // reader 2172 synchronized (mPackages) { 2173 final int N = mPermissionGroups.size(); 2174 ArrayList<PermissionGroupInfo> out 2175 = new ArrayList<PermissionGroupInfo>(N); 2176 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2177 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2178 } 2179 return out; 2180 } 2181 } 2182 2183 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2184 int userId) { 2185 if (!sUserManager.exists(userId)) return null; 2186 PackageSetting ps = mSettings.mPackages.get(packageName); 2187 if (ps != null) { 2188 if (ps.pkg == null) { 2189 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2190 flags, userId); 2191 if (pInfo != null) { 2192 return pInfo.applicationInfo; 2193 } 2194 return null; 2195 } 2196 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2197 ps.readUserState(userId), userId); 2198 } 2199 return null; 2200 } 2201 2202 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2203 int userId) { 2204 if (!sUserManager.exists(userId)) return null; 2205 PackageSetting ps = mSettings.mPackages.get(packageName); 2206 if (ps != null) { 2207 PackageParser.Package pkg = ps.pkg; 2208 if (pkg == null) { 2209 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2210 return null; 2211 } 2212 pkg = new PackageParser.Package(packageName); 2213 pkg.applicationInfo.packageName = packageName; 2214 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2215 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2216 pkg.applicationInfo.sourceDir = ps.codePathString; 2217 pkg.applicationInfo.dataDir = 2218 getDataPathForPackage(packageName, 0).getPath(); 2219 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2220 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2221 } 2222 return generatePackageInfo(pkg, flags, userId); 2223 } 2224 return null; 2225 } 2226 2227 @Override 2228 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2229 if (!sUserManager.exists(userId)) return null; 2230 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2231 // writer 2232 synchronized (mPackages) { 2233 PackageParser.Package p = mPackages.get(packageName); 2234 if (DEBUG_PACKAGE_INFO) Log.v( 2235 TAG, "getApplicationInfo " + packageName 2236 + ": " + p); 2237 if (p != null) { 2238 PackageSetting ps = mSettings.mPackages.get(packageName); 2239 if (ps == null) return null; 2240 // Note: isEnabledLP() does not apply here - always return info 2241 return PackageParser.generateApplicationInfo( 2242 p, flags, ps.readUserState(userId), userId); 2243 } 2244 if ("android".equals(packageName)||"system".equals(packageName)) { 2245 return mAndroidApplication; 2246 } 2247 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2248 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2249 } 2250 } 2251 return null; 2252 } 2253 2254 2255 @Override 2256 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2257 mContext.enforceCallingOrSelfPermission( 2258 android.Manifest.permission.CLEAR_APP_CACHE, null); 2259 // Queue up an async operation since clearing cache may take a little while. 2260 mHandler.post(new Runnable() { 2261 public void run() { 2262 mHandler.removeCallbacks(this); 2263 int retCode = -1; 2264 synchronized (mInstallLock) { 2265 retCode = mInstaller.freeCache(freeStorageSize); 2266 if (retCode < 0) { 2267 Slog.w(TAG, "Couldn't clear application caches"); 2268 } 2269 } 2270 if (observer != null) { 2271 try { 2272 observer.onRemoveCompleted(null, (retCode >= 0)); 2273 } catch (RemoteException e) { 2274 Slog.w(TAG, "RemoveException when invoking call back"); 2275 } 2276 } 2277 } 2278 }); 2279 } 2280 2281 @Override 2282 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2283 mContext.enforceCallingOrSelfPermission( 2284 android.Manifest.permission.CLEAR_APP_CACHE, null); 2285 // Queue up an async operation since clearing cache may take a little while. 2286 mHandler.post(new Runnable() { 2287 public void run() { 2288 mHandler.removeCallbacks(this); 2289 int retCode = -1; 2290 synchronized (mInstallLock) { 2291 retCode = mInstaller.freeCache(freeStorageSize); 2292 if (retCode < 0) { 2293 Slog.w(TAG, "Couldn't clear application caches"); 2294 } 2295 } 2296 if(pi != null) { 2297 try { 2298 // Callback via pending intent 2299 int code = (retCode >= 0) ? 1 : 0; 2300 pi.sendIntent(null, code, null, 2301 null, null); 2302 } catch (SendIntentException e1) { 2303 Slog.i(TAG, "Failed to send pending intent"); 2304 } 2305 } 2306 } 2307 }); 2308 } 2309 2310 @Override 2311 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2312 if (!sUserManager.exists(userId)) return null; 2313 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2314 synchronized (mPackages) { 2315 PackageParser.Activity a = mActivities.mActivities.get(component); 2316 2317 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2318 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2319 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2320 if (ps == null) return null; 2321 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2322 userId); 2323 } 2324 if (mResolveComponentName.equals(component)) { 2325 return mResolveActivity; 2326 } 2327 } 2328 return null; 2329 } 2330 2331 @Override 2332 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2333 if (!sUserManager.exists(userId)) return null; 2334 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2335 synchronized (mPackages) { 2336 PackageParser.Activity a = mReceivers.mActivities.get(component); 2337 if (DEBUG_PACKAGE_INFO) Log.v( 2338 TAG, "getReceiverInfo " + component + ": " + a); 2339 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2340 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2341 if (ps == null) return null; 2342 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2343 userId); 2344 } 2345 } 2346 return null; 2347 } 2348 2349 @Override 2350 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2351 if (!sUserManager.exists(userId)) return null; 2352 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2353 synchronized (mPackages) { 2354 PackageParser.Service s = mServices.mServices.get(component); 2355 if (DEBUG_PACKAGE_INFO) Log.v( 2356 TAG, "getServiceInfo " + component + ": " + s); 2357 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2358 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2359 if (ps == null) return null; 2360 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2361 userId); 2362 } 2363 } 2364 return null; 2365 } 2366 2367 @Override 2368 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2369 if (!sUserManager.exists(userId)) return null; 2370 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2371 synchronized (mPackages) { 2372 PackageParser.Provider p = mProviders.mProviders.get(component); 2373 if (DEBUG_PACKAGE_INFO) Log.v( 2374 TAG, "getProviderInfo " + component + ": " + p); 2375 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2376 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2377 if (ps == null) return null; 2378 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2379 userId); 2380 } 2381 } 2382 return null; 2383 } 2384 2385 @Override 2386 public String[] getSystemSharedLibraryNames() { 2387 Set<String> libSet; 2388 synchronized (mPackages) { 2389 libSet = mSharedLibraries.keySet(); 2390 int size = libSet.size(); 2391 if (size > 0) { 2392 String[] libs = new String[size]; 2393 libSet.toArray(libs); 2394 return libs; 2395 } 2396 } 2397 return null; 2398 } 2399 2400 @Override 2401 public FeatureInfo[] getSystemAvailableFeatures() { 2402 Collection<FeatureInfo> featSet; 2403 synchronized (mPackages) { 2404 featSet = mAvailableFeatures.values(); 2405 int size = featSet.size(); 2406 if (size > 0) { 2407 FeatureInfo[] features = new FeatureInfo[size+1]; 2408 featSet.toArray(features); 2409 FeatureInfo fi = new FeatureInfo(); 2410 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2411 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2412 features[size] = fi; 2413 return features; 2414 } 2415 } 2416 return null; 2417 } 2418 2419 @Override 2420 public boolean hasSystemFeature(String name) { 2421 synchronized (mPackages) { 2422 return mAvailableFeatures.containsKey(name); 2423 } 2424 } 2425 2426 private void checkValidCaller(int uid, int userId) { 2427 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2428 return; 2429 2430 throw new SecurityException("Caller uid=" + uid 2431 + " is not privileged to communicate with user=" + userId); 2432 } 2433 2434 @Override 2435 public int checkPermission(String permName, String pkgName) { 2436 synchronized (mPackages) { 2437 PackageParser.Package p = mPackages.get(pkgName); 2438 if (p != null && p.mExtras != null) { 2439 PackageSetting ps = (PackageSetting)p.mExtras; 2440 if (ps.sharedUser != null) { 2441 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2442 return PackageManager.PERMISSION_GRANTED; 2443 } 2444 } else if (ps.grantedPermissions.contains(permName)) { 2445 return PackageManager.PERMISSION_GRANTED; 2446 } 2447 } 2448 } 2449 return PackageManager.PERMISSION_DENIED; 2450 } 2451 2452 @Override 2453 public int checkUidPermission(String permName, int uid) { 2454 synchronized (mPackages) { 2455 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2456 if (obj != null) { 2457 GrantedPermissions gp = (GrantedPermissions)obj; 2458 if (gp.grantedPermissions.contains(permName)) { 2459 return PackageManager.PERMISSION_GRANTED; 2460 } 2461 } else { 2462 HashSet<String> perms = mSystemPermissions.get(uid); 2463 if (perms != null && perms.contains(permName)) { 2464 return PackageManager.PERMISSION_GRANTED; 2465 } 2466 } 2467 } 2468 return PackageManager.PERMISSION_DENIED; 2469 } 2470 2471 /** 2472 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2473 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2474 * @param message the message to log on security exception 2475 * @return 2476 */ 2477 private void enforceCrossUserPermission(int callingUid, int userId, 2478 boolean requireFullPermission, String message) { 2479 if (userId < 0) { 2480 throw new IllegalArgumentException("Invalid userId " + userId); 2481 } 2482 if (userId == UserHandle.getUserId(callingUid)) return; 2483 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2484 if (requireFullPermission) { 2485 mContext.enforceCallingOrSelfPermission( 2486 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2487 } else { 2488 try { 2489 mContext.enforceCallingOrSelfPermission( 2490 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2491 } catch (SecurityException se) { 2492 mContext.enforceCallingOrSelfPermission( 2493 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2494 } 2495 } 2496 } 2497 } 2498 2499 private BasePermission findPermissionTreeLP(String permName) { 2500 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2501 if (permName.startsWith(bp.name) && 2502 permName.length() > bp.name.length() && 2503 permName.charAt(bp.name.length()) == '.') { 2504 return bp; 2505 } 2506 } 2507 return null; 2508 } 2509 2510 private BasePermission checkPermissionTreeLP(String permName) { 2511 if (permName != null) { 2512 BasePermission bp = findPermissionTreeLP(permName); 2513 if (bp != null) { 2514 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2515 return bp; 2516 } 2517 throw new SecurityException("Calling uid " 2518 + Binder.getCallingUid() 2519 + " is not allowed to add to permission tree " 2520 + bp.name + " owned by uid " + bp.uid); 2521 } 2522 } 2523 throw new SecurityException("No permission tree found for " + permName); 2524 } 2525 2526 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2527 if (s1 == null) { 2528 return s2 == null; 2529 } 2530 if (s2 == null) { 2531 return false; 2532 } 2533 if (s1.getClass() != s2.getClass()) { 2534 return false; 2535 } 2536 return s1.equals(s2); 2537 } 2538 2539 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2540 if (pi1.icon != pi2.icon) return false; 2541 if (pi1.logo != pi2.logo) return false; 2542 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2543 if (!compareStrings(pi1.name, pi2.name)) return false; 2544 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2545 // We'll take care of setting this one. 2546 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2547 // These are not currently stored in settings. 2548 //if (!compareStrings(pi1.group, pi2.group)) return false; 2549 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2550 //if (pi1.labelRes != pi2.labelRes) return false; 2551 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2552 return true; 2553 } 2554 2555 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2556 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2557 throw new SecurityException("Label must be specified in permission"); 2558 } 2559 BasePermission tree = checkPermissionTreeLP(info.name); 2560 BasePermission bp = mSettings.mPermissions.get(info.name); 2561 boolean added = bp == null; 2562 boolean changed = true; 2563 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2564 if (added) { 2565 bp = new BasePermission(info.name, tree.sourcePackage, 2566 BasePermission.TYPE_DYNAMIC); 2567 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2568 throw new SecurityException( 2569 "Not allowed to modify non-dynamic permission " 2570 + info.name); 2571 } else { 2572 if (bp.protectionLevel == fixedLevel 2573 && bp.perm.owner.equals(tree.perm.owner) 2574 && bp.uid == tree.uid 2575 && comparePermissionInfos(bp.perm.info, info)) { 2576 changed = false; 2577 } 2578 } 2579 bp.protectionLevel = fixedLevel; 2580 info = new PermissionInfo(info); 2581 info.protectionLevel = fixedLevel; 2582 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2583 bp.perm.info.packageName = tree.perm.info.packageName; 2584 bp.uid = tree.uid; 2585 if (added) { 2586 mSettings.mPermissions.put(info.name, bp); 2587 } 2588 if (changed) { 2589 if (!async) { 2590 mSettings.writeLPr(); 2591 } else { 2592 scheduleWriteSettingsLocked(); 2593 } 2594 } 2595 return added; 2596 } 2597 2598 @Override 2599 public boolean addPermission(PermissionInfo info) { 2600 synchronized (mPackages) { 2601 return addPermissionLocked(info, false); 2602 } 2603 } 2604 2605 @Override 2606 public boolean addPermissionAsync(PermissionInfo info) { 2607 synchronized (mPackages) { 2608 return addPermissionLocked(info, true); 2609 } 2610 } 2611 2612 @Override 2613 public void removePermission(String name) { 2614 synchronized (mPackages) { 2615 checkPermissionTreeLP(name); 2616 BasePermission bp = mSettings.mPermissions.get(name); 2617 if (bp != null) { 2618 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2619 throw new SecurityException( 2620 "Not allowed to modify non-dynamic permission " 2621 + name); 2622 } 2623 mSettings.mPermissions.remove(name); 2624 mSettings.writeLPr(); 2625 } 2626 } 2627 } 2628 2629 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2630 int index = pkg.requestedPermissions.indexOf(bp.name); 2631 if (index == -1) { 2632 throw new SecurityException("Package " + pkg.packageName 2633 + " has not requested permission " + bp.name); 2634 } 2635 boolean isNormal = 2636 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2637 == PermissionInfo.PROTECTION_NORMAL); 2638 boolean isDangerous = 2639 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2640 == PermissionInfo.PROTECTION_DANGEROUS); 2641 boolean isDevelopment = 2642 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2643 2644 if (!isNormal && !isDangerous && !isDevelopment) { 2645 throw new SecurityException("Permission " + bp.name 2646 + " is not a changeable permission type"); 2647 } 2648 2649 if (isNormal || isDangerous) { 2650 if (pkg.requestedPermissionsRequired.get(index)) { 2651 throw new SecurityException("Can't change " + bp.name 2652 + ". It is required by the application"); 2653 } 2654 } 2655 } 2656 2657 @Override 2658 public void grantPermission(String packageName, String permissionName) { 2659 mContext.enforceCallingOrSelfPermission( 2660 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2661 synchronized (mPackages) { 2662 final PackageParser.Package pkg = mPackages.get(packageName); 2663 if (pkg == null) { 2664 throw new IllegalArgumentException("Unknown package: " + packageName); 2665 } 2666 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2667 if (bp == null) { 2668 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2669 } 2670 2671 checkGrantRevokePermissions(pkg, bp); 2672 2673 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2674 if (ps == null) { 2675 return; 2676 } 2677 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2678 if (gp.grantedPermissions.add(permissionName)) { 2679 if (ps.haveGids) { 2680 gp.gids = appendInts(gp.gids, bp.gids); 2681 } 2682 mSettings.writeLPr(); 2683 } 2684 } 2685 } 2686 2687 @Override 2688 public void revokePermission(String packageName, String permissionName) { 2689 int changedAppId = -1; 2690 2691 synchronized (mPackages) { 2692 final PackageParser.Package pkg = mPackages.get(packageName); 2693 if (pkg == null) { 2694 throw new IllegalArgumentException("Unknown package: " + packageName); 2695 } 2696 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2697 mContext.enforceCallingOrSelfPermission( 2698 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2699 } 2700 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2701 if (bp == null) { 2702 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2703 } 2704 2705 checkGrantRevokePermissions(pkg, bp); 2706 2707 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2708 if (ps == null) { 2709 return; 2710 } 2711 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2712 if (gp.grantedPermissions.remove(permissionName)) { 2713 gp.grantedPermissions.remove(permissionName); 2714 if (ps.haveGids) { 2715 gp.gids = removeInts(gp.gids, bp.gids); 2716 } 2717 mSettings.writeLPr(); 2718 changedAppId = ps.appId; 2719 } 2720 } 2721 2722 if (changedAppId >= 0) { 2723 // We changed the perm on someone, kill its processes. 2724 IActivityManager am = ActivityManagerNative.getDefault(); 2725 if (am != null) { 2726 final int callingUserId = UserHandle.getCallingUserId(); 2727 final long ident = Binder.clearCallingIdentity(); 2728 try { 2729 //XXX we should only revoke for the calling user's app permissions, 2730 // but for now we impact all users. 2731 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2732 // "revoke " + permissionName); 2733 int[] users = sUserManager.getUserIds(); 2734 for (int user : users) { 2735 am.killUid(UserHandle.getUid(user, changedAppId), 2736 "revoke " + permissionName); 2737 } 2738 } catch (RemoteException e) { 2739 } finally { 2740 Binder.restoreCallingIdentity(ident); 2741 } 2742 } 2743 } 2744 } 2745 2746 @Override 2747 public boolean isProtectedBroadcast(String actionName) { 2748 synchronized (mPackages) { 2749 return mProtectedBroadcasts.contains(actionName); 2750 } 2751 } 2752 2753 @Override 2754 public int checkSignatures(String pkg1, String pkg2) { 2755 synchronized (mPackages) { 2756 final PackageParser.Package p1 = mPackages.get(pkg1); 2757 final PackageParser.Package p2 = mPackages.get(pkg2); 2758 if (p1 == null || p1.mExtras == null 2759 || p2 == null || p2.mExtras == null) { 2760 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2761 } 2762 return compareSignatures(p1.mSignatures, p2.mSignatures); 2763 } 2764 } 2765 2766 @Override 2767 public int checkUidSignatures(int uid1, int uid2) { 2768 // Map to base uids. 2769 uid1 = UserHandle.getAppId(uid1); 2770 uid2 = UserHandle.getAppId(uid2); 2771 // reader 2772 synchronized (mPackages) { 2773 Signature[] s1; 2774 Signature[] s2; 2775 Object obj = mSettings.getUserIdLPr(uid1); 2776 if (obj != null) { 2777 if (obj instanceof SharedUserSetting) { 2778 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2779 } else if (obj instanceof PackageSetting) { 2780 s1 = ((PackageSetting)obj).signatures.mSignatures; 2781 } else { 2782 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2783 } 2784 } else { 2785 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2786 } 2787 obj = mSettings.getUserIdLPr(uid2); 2788 if (obj != null) { 2789 if (obj instanceof SharedUserSetting) { 2790 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2791 } else if (obj instanceof PackageSetting) { 2792 s2 = ((PackageSetting)obj).signatures.mSignatures; 2793 } else { 2794 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2795 } 2796 } else { 2797 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2798 } 2799 return compareSignatures(s1, s2); 2800 } 2801 } 2802 2803 /** 2804 * Compares two sets of signatures. Returns: 2805 * <br /> 2806 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2807 * <br /> 2808 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2809 * <br /> 2810 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2811 * <br /> 2812 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2813 * <br /> 2814 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2815 */ 2816 static int compareSignatures(Signature[] s1, Signature[] s2) { 2817 if (s1 == null) { 2818 return s2 == null 2819 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2820 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2821 } 2822 2823 if (s2 == null) { 2824 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2825 } 2826 2827 if (s1.length != s2.length) { 2828 return PackageManager.SIGNATURE_NO_MATCH; 2829 } 2830 2831 // Since both signature sets are of size 1, we can compare without HashSets. 2832 if (s1.length == 1) { 2833 return s1[0].equals(s2[0]) ? 2834 PackageManager.SIGNATURE_MATCH : 2835 PackageManager.SIGNATURE_NO_MATCH; 2836 } 2837 2838 HashSet<Signature> set1 = new HashSet<Signature>(); 2839 for (Signature sig : s1) { 2840 set1.add(sig); 2841 } 2842 HashSet<Signature> set2 = new HashSet<Signature>(); 2843 for (Signature sig : s2) { 2844 set2.add(sig); 2845 } 2846 // Make sure s2 contains all signatures in s1. 2847 if (set1.equals(set2)) { 2848 return PackageManager.SIGNATURE_MATCH; 2849 } 2850 return PackageManager.SIGNATURE_NO_MATCH; 2851 } 2852 2853 @Override 2854 public String[] getPackagesForUid(int uid) { 2855 uid = UserHandle.getAppId(uid); 2856 // reader 2857 synchronized (mPackages) { 2858 Object obj = mSettings.getUserIdLPr(uid); 2859 if (obj instanceof SharedUserSetting) { 2860 final SharedUserSetting sus = (SharedUserSetting) obj; 2861 final int N = sus.packages.size(); 2862 final String[] res = new String[N]; 2863 final Iterator<PackageSetting> it = sus.packages.iterator(); 2864 int i = 0; 2865 while (it.hasNext()) { 2866 res[i++] = it.next().name; 2867 } 2868 return res; 2869 } else if (obj instanceof PackageSetting) { 2870 final PackageSetting ps = (PackageSetting) obj; 2871 return new String[] { ps.name }; 2872 } 2873 } 2874 return null; 2875 } 2876 2877 @Override 2878 public String getNameForUid(int uid) { 2879 // reader 2880 synchronized (mPackages) { 2881 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2882 if (obj instanceof SharedUserSetting) { 2883 final SharedUserSetting sus = (SharedUserSetting) obj; 2884 return sus.name + ":" + sus.userId; 2885 } else if (obj instanceof PackageSetting) { 2886 final PackageSetting ps = (PackageSetting) obj; 2887 return ps.name; 2888 } 2889 } 2890 return null; 2891 } 2892 2893 @Override 2894 public int getUidForSharedUser(String sharedUserName) { 2895 if(sharedUserName == null) { 2896 return -1; 2897 } 2898 // reader 2899 synchronized (mPackages) { 2900 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2901 if (suid == null) { 2902 return -1; 2903 } 2904 return suid.userId; 2905 } 2906 } 2907 2908 @Override 2909 public int getFlagsForUid(int uid) { 2910 synchronized (mPackages) { 2911 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2912 if (obj instanceof SharedUserSetting) { 2913 final SharedUserSetting sus = (SharedUserSetting) obj; 2914 return sus.pkgFlags; 2915 } else if (obj instanceof PackageSetting) { 2916 final PackageSetting ps = (PackageSetting) obj; 2917 return ps.pkgFlags; 2918 } 2919 } 2920 return 0; 2921 } 2922 2923 @Override 2924 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2925 int flags, int userId) { 2926 if (!sUserManager.exists(userId)) return null; 2927 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2928 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2929 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2930 } 2931 2932 @Override 2933 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2934 IntentFilter filter, int match, ComponentName activity) { 2935 final int userId = UserHandle.getCallingUserId(); 2936 if (DEBUG_PREFERRED) { 2937 Log.v(TAG, "setLastChosenActivity intent=" + intent 2938 + " resolvedType=" + resolvedType 2939 + " flags=" + flags 2940 + " filter=" + filter 2941 + " match=" + match 2942 + " activity=" + activity); 2943 filter.dump(new PrintStreamPrinter(System.out), " "); 2944 } 2945 intent.setComponent(null); 2946 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2947 // Find any earlier preferred or last chosen entries and nuke them 2948 findPreferredActivity(intent, resolvedType, 2949 flags, query, 0, false, true, false, userId); 2950 // Add the new activity as the last chosen for this filter 2951 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2952 } 2953 2954 @Override 2955 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2956 final int userId = UserHandle.getCallingUserId(); 2957 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2958 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2959 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2960 false, false, false, userId); 2961 } 2962 2963 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2964 int flags, List<ResolveInfo> query, int userId) { 2965 if (query != null) { 2966 final int N = query.size(); 2967 if (N == 1) { 2968 return query.get(0); 2969 } else if (N > 1) { 2970 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2971 // If there is more than one activity with the same priority, 2972 // then let the user decide between them. 2973 ResolveInfo r0 = query.get(0); 2974 ResolveInfo r1 = query.get(1); 2975 if (DEBUG_INTENT_MATCHING || debug) { 2976 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2977 + r1.activityInfo.name + "=" + r1.priority); 2978 } 2979 // If the first activity has a higher priority, or a different 2980 // default, then it is always desireable to pick it. 2981 if (r0.priority != r1.priority 2982 || r0.preferredOrder != r1.preferredOrder 2983 || r0.isDefault != r1.isDefault) { 2984 return query.get(0); 2985 } 2986 // If we have saved a preference for a preferred activity for 2987 // this Intent, use that. 2988 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2989 flags, query, r0.priority, true, false, debug, userId); 2990 if (ri != null) { 2991 return ri; 2992 } 2993 if (userId != 0) { 2994 ri = new ResolveInfo(mResolveInfo); 2995 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2996 ri.activityInfo.applicationInfo = new ApplicationInfo( 2997 ri.activityInfo.applicationInfo); 2998 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2999 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3000 return ri; 3001 } 3002 return mResolveInfo; 3003 } 3004 } 3005 return null; 3006 } 3007 3008 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3009 List<ResolveInfo> query, int priority, boolean always, 3010 boolean removeMatches, boolean debug, int userId) { 3011 if (!sUserManager.exists(userId)) return null; 3012 // writer 3013 synchronized (mPackages) { 3014 if (intent.getSelector() != null) { 3015 intent = intent.getSelector(); 3016 } 3017 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3018 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3019 // Get the list of preferred activities that handle the intent 3020 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3021 List<PreferredActivity> prefs = pir != null 3022 ? pir.queryIntent(intent, resolvedType, 3023 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3024 : null; 3025 if (prefs != null && prefs.size() > 0) { 3026 // First figure out how good the original match set is. 3027 // We will only allow preferred activities that came 3028 // from the same match quality. 3029 int match = 0; 3030 3031 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3032 3033 final int N = query.size(); 3034 for (int j=0; j<N; j++) { 3035 final ResolveInfo ri = query.get(j); 3036 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3037 + ": 0x" + Integer.toHexString(match)); 3038 if (ri.match > match) { 3039 match = ri.match; 3040 } 3041 } 3042 3043 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3044 + Integer.toHexString(match)); 3045 3046 match &= IntentFilter.MATCH_CATEGORY_MASK; 3047 final int M = prefs.size(); 3048 for (int i=0; i<M; i++) { 3049 final PreferredActivity pa = prefs.get(i); 3050 if (DEBUG_PREFERRED || debug) { 3051 Slog.v(TAG, "Checking PreferredActivity ds=" 3052 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3053 + "\n component=" + pa.mPref.mComponent); 3054 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3055 } 3056 if (pa.mPref.mMatch != match) { 3057 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3058 + Integer.toHexString(pa.mPref.mMatch)); 3059 continue; 3060 } 3061 // If it's not an "always" type preferred activity and that's what we're 3062 // looking for, skip it. 3063 if (always && !pa.mPref.mAlways) { 3064 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3065 continue; 3066 } 3067 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3068 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3069 if (DEBUG_PREFERRED || debug) { 3070 Slog.v(TAG, "Found preferred activity:"); 3071 if (ai != null) { 3072 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3073 } else { 3074 Slog.v(TAG, " null"); 3075 } 3076 } 3077 if (ai == null) { 3078 // This previously registered preferred activity 3079 // component is no longer known. Most likely an update 3080 // to the app was installed and in the new version this 3081 // component no longer exists. Clean it up by removing 3082 // it from the preferred activities list, and skip it. 3083 Slog.w(TAG, "Removing dangling preferred activity: " 3084 + pa.mPref.mComponent); 3085 pir.removeFilter(pa); 3086 continue; 3087 } 3088 for (int j=0; j<N; j++) { 3089 final ResolveInfo ri = query.get(j); 3090 if (!ri.activityInfo.applicationInfo.packageName 3091 .equals(ai.applicationInfo.packageName)) { 3092 continue; 3093 } 3094 if (!ri.activityInfo.name.equals(ai.name)) { 3095 continue; 3096 } 3097 3098 if (removeMatches) { 3099 pir.removeFilter(pa); 3100 if (DEBUG_PREFERRED) { 3101 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3102 } 3103 break; 3104 } 3105 3106 // Okay we found a previously set preferred or last chosen app. 3107 // If the result set is different from when this 3108 // was created, we need to clear it and re-ask the 3109 // user their preference, if we're looking for an "always" type entry. 3110 if (always && !pa.mPref.sameSet(query, priority)) { 3111 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3112 + intent + " type " + resolvedType); 3113 if (DEBUG_PREFERRED) { 3114 Slog.v(TAG, "Removing preferred activity since set changed " 3115 + pa.mPref.mComponent); 3116 } 3117 pir.removeFilter(pa); 3118 // Re-add the filter as a "last chosen" entry (!always) 3119 PreferredActivity lastChosen = new PreferredActivity( 3120 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3121 pir.addFilter(lastChosen); 3122 mSettings.writePackageRestrictionsLPr(userId); 3123 return null; 3124 } 3125 3126 // Yay! Either the set matched or we're looking for the last chosen 3127 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3128 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3129 mSettings.writePackageRestrictionsLPr(userId); 3130 return ri; 3131 } 3132 } 3133 } 3134 mSettings.writePackageRestrictionsLPr(userId); 3135 } 3136 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3137 return null; 3138 } 3139 3140 @Override 3141 public List<ResolveInfo> queryIntentActivities(Intent intent, 3142 String resolvedType, int flags, int userId) { 3143 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3144 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3145 ComponentName comp = intent.getComponent(); 3146 if (comp == null) { 3147 if (intent.getSelector() != null) { 3148 intent = intent.getSelector(); 3149 comp = intent.getComponent(); 3150 } 3151 } 3152 3153 if (comp != null) { 3154 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3155 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3156 if (ai != null) { 3157 final ResolveInfo ri = new ResolveInfo(); 3158 ri.activityInfo = ai; 3159 list.add(ri); 3160 } 3161 return list; 3162 } 3163 3164 // reader 3165 synchronized (mPackages) { 3166 final String pkgName = intent.getPackage(); 3167 if (pkgName == null) { 3168 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3169 } 3170 final PackageParser.Package pkg = mPackages.get(pkgName); 3171 if (pkg != null) { 3172 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3173 pkg.activities, userId); 3174 } 3175 return new ArrayList<ResolveInfo>(); 3176 } 3177 } 3178 3179 @Override 3180 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3181 Intent[] specifics, String[] specificTypes, Intent intent, 3182 String resolvedType, int flags, int userId) { 3183 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3184 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3185 "query intent activity options"); 3186 final String resultsAction = intent.getAction(); 3187 3188 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3189 | PackageManager.GET_RESOLVED_FILTER, userId); 3190 3191 if (DEBUG_INTENT_MATCHING) { 3192 Log.v(TAG, "Query " + intent + ": " + results); 3193 } 3194 3195 int specificsPos = 0; 3196 int N; 3197 3198 // todo: note that the algorithm used here is O(N^2). This 3199 // isn't a problem in our current environment, but if we start running 3200 // into situations where we have more than 5 or 10 matches then this 3201 // should probably be changed to something smarter... 3202 3203 // First we go through and resolve each of the specific items 3204 // that were supplied, taking care of removing any corresponding 3205 // duplicate items in the generic resolve list. 3206 if (specifics != null) { 3207 for (int i=0; i<specifics.length; i++) { 3208 final Intent sintent = specifics[i]; 3209 if (sintent == null) { 3210 continue; 3211 } 3212 3213 if (DEBUG_INTENT_MATCHING) { 3214 Log.v(TAG, "Specific #" + i + ": " + sintent); 3215 } 3216 3217 String action = sintent.getAction(); 3218 if (resultsAction != null && resultsAction.equals(action)) { 3219 // If this action was explicitly requested, then don't 3220 // remove things that have it. 3221 action = null; 3222 } 3223 3224 ResolveInfo ri = null; 3225 ActivityInfo ai = null; 3226 3227 ComponentName comp = sintent.getComponent(); 3228 if (comp == null) { 3229 ri = resolveIntent( 3230 sintent, 3231 specificTypes != null ? specificTypes[i] : null, 3232 flags, userId); 3233 if (ri == null) { 3234 continue; 3235 } 3236 if (ri == mResolveInfo) { 3237 // ACK! Must do something better with this. 3238 } 3239 ai = ri.activityInfo; 3240 comp = new ComponentName(ai.applicationInfo.packageName, 3241 ai.name); 3242 } else { 3243 ai = getActivityInfo(comp, flags, userId); 3244 if (ai == null) { 3245 continue; 3246 } 3247 } 3248 3249 // Look for any generic query activities that are duplicates 3250 // of this specific one, and remove them from the results. 3251 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3252 N = results.size(); 3253 int j; 3254 for (j=specificsPos; j<N; j++) { 3255 ResolveInfo sri = results.get(j); 3256 if ((sri.activityInfo.name.equals(comp.getClassName()) 3257 && sri.activityInfo.applicationInfo.packageName.equals( 3258 comp.getPackageName())) 3259 || (action != null && sri.filter.matchAction(action))) { 3260 results.remove(j); 3261 if (DEBUG_INTENT_MATCHING) Log.v( 3262 TAG, "Removing duplicate item from " + j 3263 + " due to specific " + specificsPos); 3264 if (ri == null) { 3265 ri = sri; 3266 } 3267 j--; 3268 N--; 3269 } 3270 } 3271 3272 // Add this specific item to its proper place. 3273 if (ri == null) { 3274 ri = new ResolveInfo(); 3275 ri.activityInfo = ai; 3276 } 3277 results.add(specificsPos, ri); 3278 ri.specificIndex = i; 3279 specificsPos++; 3280 } 3281 } 3282 3283 // Now we go through the remaining generic results and remove any 3284 // duplicate actions that are found here. 3285 N = results.size(); 3286 for (int i=specificsPos; i<N-1; i++) { 3287 final ResolveInfo rii = results.get(i); 3288 if (rii.filter == null) { 3289 continue; 3290 } 3291 3292 // Iterate over all of the actions of this result's intent 3293 // filter... typically this should be just one. 3294 final Iterator<String> it = rii.filter.actionsIterator(); 3295 if (it == null) { 3296 continue; 3297 } 3298 while (it.hasNext()) { 3299 final String action = it.next(); 3300 if (resultsAction != null && resultsAction.equals(action)) { 3301 // If this action was explicitly requested, then don't 3302 // remove things that have it. 3303 continue; 3304 } 3305 for (int j=i+1; j<N; j++) { 3306 final ResolveInfo rij = results.get(j); 3307 if (rij.filter != null && rij.filter.hasAction(action)) { 3308 results.remove(j); 3309 if (DEBUG_INTENT_MATCHING) Log.v( 3310 TAG, "Removing duplicate item from " + j 3311 + " due to action " + action + " at " + i); 3312 j--; 3313 N--; 3314 } 3315 } 3316 } 3317 3318 // If the caller didn't request filter information, drop it now 3319 // so we don't have to marshall/unmarshall it. 3320 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3321 rii.filter = null; 3322 } 3323 } 3324 3325 // Filter out the caller activity if so requested. 3326 if (caller != null) { 3327 N = results.size(); 3328 for (int i=0; i<N; i++) { 3329 ActivityInfo ainfo = results.get(i).activityInfo; 3330 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3331 && caller.getClassName().equals(ainfo.name)) { 3332 results.remove(i); 3333 break; 3334 } 3335 } 3336 } 3337 3338 // If the caller didn't request filter information, 3339 // drop them now so we don't have to 3340 // marshall/unmarshall it. 3341 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3342 N = results.size(); 3343 for (int i=0; i<N; i++) { 3344 results.get(i).filter = null; 3345 } 3346 } 3347 3348 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3349 return results; 3350 } 3351 3352 @Override 3353 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3354 int userId) { 3355 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3356 ComponentName comp = intent.getComponent(); 3357 if (comp == null) { 3358 if (intent.getSelector() != null) { 3359 intent = intent.getSelector(); 3360 comp = intent.getComponent(); 3361 } 3362 } 3363 if (comp != null) { 3364 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3365 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3366 if (ai != null) { 3367 ResolveInfo ri = new ResolveInfo(); 3368 ri.activityInfo = ai; 3369 list.add(ri); 3370 } 3371 return list; 3372 } 3373 3374 // reader 3375 synchronized (mPackages) { 3376 String pkgName = intent.getPackage(); 3377 if (pkgName == null) { 3378 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3379 } 3380 final PackageParser.Package pkg = mPackages.get(pkgName); 3381 if (pkg != null) { 3382 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3383 userId); 3384 } 3385 return null; 3386 } 3387 } 3388 3389 @Override 3390 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3391 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3392 if (!sUserManager.exists(userId)) return null; 3393 if (query != null) { 3394 if (query.size() >= 1) { 3395 // If there is more than one service with the same priority, 3396 // just arbitrarily pick the first one. 3397 return query.get(0); 3398 } 3399 } 3400 return null; 3401 } 3402 3403 @Override 3404 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3405 int userId) { 3406 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3407 ComponentName comp = intent.getComponent(); 3408 if (comp == null) { 3409 if (intent.getSelector() != null) { 3410 intent = intent.getSelector(); 3411 comp = intent.getComponent(); 3412 } 3413 } 3414 if (comp != null) { 3415 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3416 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3417 if (si != null) { 3418 final ResolveInfo ri = new ResolveInfo(); 3419 ri.serviceInfo = si; 3420 list.add(ri); 3421 } 3422 return list; 3423 } 3424 3425 // reader 3426 synchronized (mPackages) { 3427 String pkgName = intent.getPackage(); 3428 if (pkgName == null) { 3429 return mServices.queryIntent(intent, resolvedType, flags, userId); 3430 } 3431 final PackageParser.Package pkg = mPackages.get(pkgName); 3432 if (pkg != null) { 3433 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3434 userId); 3435 } 3436 return null; 3437 } 3438 } 3439 3440 @Override 3441 public List<ResolveInfo> queryIntentContentProviders( 3442 Intent intent, String resolvedType, int flags, int userId) { 3443 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3444 ComponentName comp = intent.getComponent(); 3445 if (comp == null) { 3446 if (intent.getSelector() != null) { 3447 intent = intent.getSelector(); 3448 comp = intent.getComponent(); 3449 } 3450 } 3451 if (comp != null) { 3452 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3453 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3454 if (pi != null) { 3455 final ResolveInfo ri = new ResolveInfo(); 3456 ri.providerInfo = pi; 3457 list.add(ri); 3458 } 3459 return list; 3460 } 3461 3462 // reader 3463 synchronized (mPackages) { 3464 String pkgName = intent.getPackage(); 3465 if (pkgName == null) { 3466 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3467 } 3468 final PackageParser.Package pkg = mPackages.get(pkgName); 3469 if (pkg != null) { 3470 return mProviders.queryIntentForPackage( 3471 intent, resolvedType, flags, pkg.providers, userId); 3472 } 3473 return null; 3474 } 3475 } 3476 3477 @Override 3478 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3479 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3480 3481 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3482 3483 // writer 3484 synchronized (mPackages) { 3485 ArrayList<PackageInfo> list; 3486 if (listUninstalled) { 3487 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3488 for (PackageSetting ps : mSettings.mPackages.values()) { 3489 PackageInfo pi; 3490 if (ps.pkg != null) { 3491 pi = generatePackageInfo(ps.pkg, flags, userId); 3492 } else { 3493 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3494 } 3495 if (pi != null) { 3496 list.add(pi); 3497 } 3498 } 3499 } else { 3500 list = new ArrayList<PackageInfo>(mPackages.size()); 3501 for (PackageParser.Package p : mPackages.values()) { 3502 PackageInfo pi = generatePackageInfo(p, flags, userId); 3503 if (pi != null) { 3504 list.add(pi); 3505 } 3506 } 3507 } 3508 3509 return new ParceledListSlice<PackageInfo>(list); 3510 } 3511 } 3512 3513 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3514 String[] permissions, boolean[] tmp, int flags, int userId) { 3515 int numMatch = 0; 3516 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3517 for (int i=0; i<permissions.length; i++) { 3518 if (gp.grantedPermissions.contains(permissions[i])) { 3519 tmp[i] = true; 3520 numMatch++; 3521 } else { 3522 tmp[i] = false; 3523 } 3524 } 3525 if (numMatch == 0) { 3526 return; 3527 } 3528 PackageInfo pi; 3529 if (ps.pkg != null) { 3530 pi = generatePackageInfo(ps.pkg, flags, userId); 3531 } else { 3532 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3533 } 3534 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3535 if (numMatch == permissions.length) { 3536 pi.requestedPermissions = permissions; 3537 } else { 3538 pi.requestedPermissions = new String[numMatch]; 3539 numMatch = 0; 3540 for (int i=0; i<permissions.length; i++) { 3541 if (tmp[i]) { 3542 pi.requestedPermissions[numMatch] = permissions[i]; 3543 numMatch++; 3544 } 3545 } 3546 } 3547 } 3548 list.add(pi); 3549 } 3550 3551 @Override 3552 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3553 String[] permissions, int flags, int userId) { 3554 if (!sUserManager.exists(userId)) return null; 3555 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3556 3557 // writer 3558 synchronized (mPackages) { 3559 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3560 boolean[] tmpBools = new boolean[permissions.length]; 3561 if (listUninstalled) { 3562 for (PackageSetting ps : mSettings.mPackages.values()) { 3563 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3564 } 3565 } else { 3566 for (PackageParser.Package pkg : mPackages.values()) { 3567 PackageSetting ps = (PackageSetting)pkg.mExtras; 3568 if (ps != null) { 3569 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3570 userId); 3571 } 3572 } 3573 } 3574 3575 return new ParceledListSlice<PackageInfo>(list); 3576 } 3577 } 3578 3579 @Override 3580 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3581 if (!sUserManager.exists(userId)) return null; 3582 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3583 3584 // writer 3585 synchronized (mPackages) { 3586 ArrayList<ApplicationInfo> list; 3587 if (listUninstalled) { 3588 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3589 for (PackageSetting ps : mSettings.mPackages.values()) { 3590 ApplicationInfo ai; 3591 if (ps.pkg != null) { 3592 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3593 ps.readUserState(userId), userId); 3594 } else { 3595 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3596 } 3597 if (ai != null) { 3598 list.add(ai); 3599 } 3600 } 3601 } else { 3602 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3603 for (PackageParser.Package p : mPackages.values()) { 3604 if (p.mExtras != null) { 3605 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3606 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3607 if (ai != null) { 3608 list.add(ai); 3609 } 3610 } 3611 } 3612 } 3613 3614 return new ParceledListSlice<ApplicationInfo>(list); 3615 } 3616 } 3617 3618 public List<ApplicationInfo> getPersistentApplications(int flags) { 3619 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3620 3621 // reader 3622 synchronized (mPackages) { 3623 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3624 final int userId = UserHandle.getCallingUserId(); 3625 while (i.hasNext()) { 3626 final PackageParser.Package p = i.next(); 3627 if (p.applicationInfo != null 3628 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3629 && (!mSafeMode || isSystemApp(p))) { 3630 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3631 if (ps != null) { 3632 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3633 ps.readUserState(userId), userId); 3634 if (ai != null) { 3635 finalList.add(ai); 3636 } 3637 } 3638 } 3639 } 3640 } 3641 3642 return finalList; 3643 } 3644 3645 @Override 3646 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3647 if (!sUserManager.exists(userId)) return null; 3648 // reader 3649 synchronized (mPackages) { 3650 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3651 PackageSetting ps = provider != null 3652 ? mSettings.mPackages.get(provider.owner.packageName) 3653 : null; 3654 return ps != null 3655 && mSettings.isEnabledLPr(provider.info, flags, userId) 3656 && (!mSafeMode || (provider.info.applicationInfo.flags 3657 &ApplicationInfo.FLAG_SYSTEM) != 0) 3658 ? PackageParser.generateProviderInfo(provider, flags, 3659 ps.readUserState(userId), userId) 3660 : null; 3661 } 3662 } 3663 3664 /** 3665 * @deprecated 3666 */ 3667 @Deprecated 3668 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3669 // reader 3670 synchronized (mPackages) { 3671 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3672 .entrySet().iterator(); 3673 final int userId = UserHandle.getCallingUserId(); 3674 while (i.hasNext()) { 3675 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3676 PackageParser.Provider p = entry.getValue(); 3677 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3678 3679 if (ps != null && p.syncable 3680 && (!mSafeMode || (p.info.applicationInfo.flags 3681 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3682 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3683 ps.readUserState(userId), userId); 3684 if (info != null) { 3685 outNames.add(entry.getKey()); 3686 outInfo.add(info); 3687 } 3688 } 3689 } 3690 } 3691 } 3692 3693 @Override 3694 public List<ProviderInfo> queryContentProviders(String processName, 3695 int uid, int flags) { 3696 ArrayList<ProviderInfo> finalList = null; 3697 // reader 3698 synchronized (mPackages) { 3699 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3700 final int userId = processName != null ? 3701 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3702 while (i.hasNext()) { 3703 final PackageParser.Provider p = i.next(); 3704 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3705 if (ps != null && p.info.authority != null 3706 && (processName == null 3707 || (p.info.processName.equals(processName) 3708 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3709 && mSettings.isEnabledLPr(p.info, flags, userId) 3710 && (!mSafeMode 3711 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3712 if (finalList == null) { 3713 finalList = new ArrayList<ProviderInfo>(3); 3714 } 3715 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3716 ps.readUserState(userId), userId); 3717 if (info != null) { 3718 finalList.add(info); 3719 } 3720 } 3721 } 3722 } 3723 3724 if (finalList != null) { 3725 Collections.sort(finalList, mProviderInitOrderSorter); 3726 } 3727 3728 return finalList; 3729 } 3730 3731 @Override 3732 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3733 int flags) { 3734 // reader 3735 synchronized (mPackages) { 3736 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3737 return PackageParser.generateInstrumentationInfo(i, flags); 3738 } 3739 } 3740 3741 @Override 3742 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3743 int flags) { 3744 ArrayList<InstrumentationInfo> finalList = 3745 new ArrayList<InstrumentationInfo>(); 3746 3747 // reader 3748 synchronized (mPackages) { 3749 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3750 while (i.hasNext()) { 3751 final PackageParser.Instrumentation p = i.next(); 3752 if (targetPackage == null 3753 || targetPackage.equals(p.info.targetPackage)) { 3754 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3755 flags); 3756 if (ii != null) { 3757 finalList.add(ii); 3758 } 3759 } 3760 } 3761 } 3762 3763 return finalList; 3764 } 3765 3766 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3767 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3768 if (overlays == null) { 3769 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3770 return; 3771 } 3772 for (PackageParser.Package opkg : overlays.values()) { 3773 // Not much to do if idmap fails: we already logged the error 3774 // and we certainly don't want to abort installation of pkg simply 3775 // because an overlay didn't fit properly. For these reasons, 3776 // ignore the return value of createIdmapForPackagePairLI. 3777 createIdmapForPackagePairLI(pkg, opkg); 3778 } 3779 } 3780 3781 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3782 PackageParser.Package opkg) { 3783 if (!opkg.mTrustedOverlay) { 3784 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3785 opkg.mScanPath + ": overlay not trusted"); 3786 return false; 3787 } 3788 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3789 if (overlaySet == null) { 3790 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3791 opkg.mScanPath + " but target package has no known overlays"); 3792 return false; 3793 } 3794 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3795 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3796 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3797 return false; 3798 } 3799 PackageParser.Package[] overlayArray = 3800 overlaySet.values().toArray(new PackageParser.Package[0]); 3801 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3802 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3803 return p1.mOverlayPriority - p2.mOverlayPriority; 3804 } 3805 }; 3806 Arrays.sort(overlayArray, cmp); 3807 3808 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3809 int i = 0; 3810 for (PackageParser.Package p : overlayArray) { 3811 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3812 } 3813 return true; 3814 } 3815 3816 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3817 String[] files = dir.list(); 3818 if (files == null) { 3819 Log.d(TAG, "No files in app dir " + dir); 3820 return; 3821 } 3822 3823 if (DEBUG_PACKAGE_SCANNING) { 3824 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3825 + " flags=0x" + Integer.toHexString(flags)); 3826 } 3827 3828 int i; 3829 for (i=0; i<files.length; i++) { 3830 File file = new File(dir, files[i]); 3831 if (!isPackageFilename(files[i])) { 3832 // Ignore entries which are not apk's 3833 continue; 3834 } 3835 PackageParser.Package pkg = scanPackageLI(file, 3836 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 3837 // Don't mess around with apps in system partition. 3838 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3839 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3840 // Delete the apk 3841 Slog.w(TAG, "Cleaning up failed install of " + file); 3842 file.delete(); 3843 } 3844 } 3845 } 3846 3847 private static File getSettingsProblemFile() { 3848 File dataDir = Environment.getDataDirectory(); 3849 File systemDir = new File(dataDir, "system"); 3850 File fname = new File(systemDir, "uiderrors.txt"); 3851 return fname; 3852 } 3853 3854 static void reportSettingsProblem(int priority, String msg) { 3855 try { 3856 File fname = getSettingsProblemFile(); 3857 FileOutputStream out = new FileOutputStream(fname, true); 3858 PrintWriter pw = new FastPrintWriter(out); 3859 SimpleDateFormat formatter = new SimpleDateFormat(); 3860 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3861 pw.println(dateString + ": " + msg); 3862 pw.close(); 3863 FileUtils.setPermissions( 3864 fname.toString(), 3865 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3866 -1, -1); 3867 } catch (java.io.IOException e) { 3868 } 3869 Slog.println(priority, TAG, msg); 3870 } 3871 3872 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3873 PackageParser.Package pkg, File srcFile, int parseFlags) { 3874 if (GET_CERTIFICATES) { 3875 if (ps != null 3876 && ps.codePath.equals(srcFile) 3877 && ps.timeStamp == srcFile.lastModified()) { 3878 if (ps.signatures.mSignatures != null 3879 && ps.signatures.mSignatures.length != 0) { 3880 // Optimization: reuse the existing cached certificates 3881 // if the package appears to be unchanged. 3882 pkg.mSignatures = ps.signatures.mSignatures; 3883 return true; 3884 } 3885 3886 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3887 } else { 3888 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3889 } 3890 3891 if (!pp.collectCertificates(pkg, parseFlags)) { 3892 mLastScanError = pp.getParseError(); 3893 return false; 3894 } 3895 } 3896 return true; 3897 } 3898 3899 /* 3900 * Scan a package and return the newly parsed package. 3901 * Returns null in case of errors and the error code is stored in mLastScanError 3902 */ 3903 private PackageParser.Package scanPackageLI(File scanFile, 3904 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 3905 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3906 String scanPath = scanFile.getPath(); 3907 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3908 parseFlags |= mDefParseFlags; 3909 PackageParser pp = new PackageParser(scanPath); 3910 pp.setSeparateProcesses(mSeparateProcesses); 3911 pp.setOnlyCoreApps(mOnlyCore); 3912 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3913 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3914 3915 if (pkg == null) { 3916 mLastScanError = pp.getParseError(); 3917 return null; 3918 } 3919 3920 PackageSetting ps = null; 3921 PackageSetting updatedPkg; 3922 // reader 3923 synchronized (mPackages) { 3924 // Look to see if we already know about this package. 3925 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3926 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3927 // This package has been renamed to its original name. Let's 3928 // use that. 3929 ps = mSettings.peekPackageLPr(oldName); 3930 } 3931 // If there was no original package, see one for the real package name. 3932 if (ps == null) { 3933 ps = mSettings.peekPackageLPr(pkg.packageName); 3934 } 3935 // Check to see if this package could be hiding/updating a system 3936 // package. Must look for it either under the original or real 3937 // package name depending on our state. 3938 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3939 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3940 } 3941 boolean updatedPkgBetter = false; 3942 // First check if this is a system package that may involve an update 3943 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3944 if (ps != null && !ps.codePath.equals(scanFile)) { 3945 // The path has changed from what was last scanned... check the 3946 // version of the new path against what we have stored to determine 3947 // what to do. 3948 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3949 if (pkg.mVersionCode < ps.versionCode) { 3950 // The system package has been updated and the code path does not match 3951 // Ignore entry. Skip it. 3952 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3953 + " ignored: updated version " + ps.versionCode 3954 + " better than this " + pkg.mVersionCode); 3955 if (!updatedPkg.codePath.equals(scanFile)) { 3956 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3957 + ps.name + " changing from " + updatedPkg.codePathString 3958 + " to " + scanFile); 3959 updatedPkg.codePath = scanFile; 3960 updatedPkg.codePathString = scanFile.toString(); 3961 // This is the point at which we know that the system-disk APK 3962 // for this package has moved during a reboot (e.g. due to an OTA), 3963 // so we need to reevaluate it for privilege policy. 3964 if (locationIsPrivileged(scanFile)) { 3965 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3966 } 3967 } 3968 updatedPkg.pkg = pkg; 3969 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3970 return null; 3971 } else { 3972 // The current app on the system partition is better than 3973 // what we have updated to on the data partition; switch 3974 // back to the system partition version. 3975 // At this point, its safely assumed that package installation for 3976 // apps in system partition will go through. If not there won't be a working 3977 // version of the app 3978 // writer 3979 synchronized (mPackages) { 3980 // Just remove the loaded entries from package lists. 3981 mPackages.remove(ps.name); 3982 } 3983 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3984 + "reverting from " + ps.codePathString 3985 + ": new version " + pkg.mVersionCode 3986 + " better than installed " + ps.versionCode); 3987 3988 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3989 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 3990 getAppInstructionSetFromSettings(ps)); 3991 synchronized (mInstallLock) { 3992 args.cleanUpResourcesLI(); 3993 } 3994 synchronized (mPackages) { 3995 mSettings.enableSystemPackageLPw(ps.name); 3996 } 3997 updatedPkgBetter = true; 3998 } 3999 } 4000 } 4001 4002 if (updatedPkg != null) { 4003 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4004 // initially 4005 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4006 4007 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4008 // flag set initially 4009 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4010 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4011 } 4012 } 4013 // Verify certificates against what was last scanned 4014 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4015 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4016 return null; 4017 } 4018 4019 /* 4020 * A new system app appeared, but we already had a non-system one of the 4021 * same name installed earlier. 4022 */ 4023 boolean shouldHideSystemApp = false; 4024 if (updatedPkg == null && ps != null 4025 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4026 /* 4027 * Check to make sure the signatures match first. If they don't, 4028 * wipe the installed application and its data. 4029 */ 4030 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4031 != PackageManager.SIGNATURE_MATCH) { 4032 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4033 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4034 ps = null; 4035 } else { 4036 /* 4037 * If the newly-added system app is an older version than the 4038 * already installed version, hide it. It will be scanned later 4039 * and re-added like an update. 4040 */ 4041 if (pkg.mVersionCode < ps.versionCode) { 4042 shouldHideSystemApp = true; 4043 } else { 4044 /* 4045 * The newly found system app is a newer version that the 4046 * one previously installed. Simply remove the 4047 * already-installed application and replace it with our own 4048 * while keeping the application data. 4049 */ 4050 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4051 + ps.codePathString + ": new version " + pkg.mVersionCode 4052 + " better than installed " + ps.versionCode); 4053 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4054 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4055 getAppInstructionSetFromSettings(ps)); 4056 synchronized (mInstallLock) { 4057 args.cleanUpResourcesLI(); 4058 } 4059 } 4060 } 4061 } 4062 4063 // The apk is forward locked (not public) if its code and resources 4064 // are kept in different files. (except for app in either system or 4065 // vendor path). 4066 // TODO grab this value from PackageSettings 4067 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4068 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4069 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4070 } 4071 } 4072 4073 String codePath = null; 4074 String resPath = null; 4075 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4076 if (ps != null && ps.resourcePathString != null) { 4077 resPath = ps.resourcePathString; 4078 } else { 4079 // Should not happen at all. Just log an error. 4080 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4081 } 4082 } else { 4083 resPath = pkg.mScanPath; 4084 } 4085 4086 codePath = pkg.mScanPath; 4087 // Set application objects path explicitly. 4088 setApplicationInfoPaths(pkg, codePath, resPath); 4089 // Note that we invoke the following method only if we are about to unpack an application 4090 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4091 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4092 4093 /* 4094 * If the system app should be overridden by a previously installed 4095 * data, hide the system app now and let the /data/app scan pick it up 4096 * again. 4097 */ 4098 if (shouldHideSystemApp) { 4099 synchronized (mPackages) { 4100 /* 4101 * We have to grant systems permissions before we hide, because 4102 * grantPermissions will assume the package update is trying to 4103 * expand its permissions. 4104 */ 4105 grantPermissionsLPw(pkg, true); 4106 mSettings.disableSystemPackageLPw(pkg.packageName); 4107 } 4108 } 4109 4110 return scannedPkg; 4111 } 4112 4113 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4114 String destResPath) { 4115 pkg.mPath = pkg.mScanPath = destCodePath; 4116 pkg.applicationInfo.sourceDir = destCodePath; 4117 pkg.applicationInfo.publicSourceDir = destResPath; 4118 } 4119 4120 private static String fixProcessName(String defProcessName, 4121 String processName, int uid) { 4122 if (processName == null) { 4123 return defProcessName; 4124 } 4125 return processName; 4126 } 4127 4128 private boolean verifySignaturesLP(PackageSetting pkgSetting, 4129 PackageParser.Package pkg) { 4130 if (pkgSetting.signatures.mSignatures != null) { 4131 // Already existing package. Make sure signatures match 4132 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 4133 PackageManager.SIGNATURE_MATCH) { 4134 Slog.e(TAG, "Package " + pkg.packageName 4135 + " signatures do not match the previously installed version; ignoring!"); 4136 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4137 return false; 4138 } 4139 } 4140 // Check for shared user signatures 4141 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4142 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4143 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4144 Slog.e(TAG, "Package " + pkg.packageName 4145 + " has no signatures that match those in shared user " 4146 + pkgSetting.sharedUser.name + "; ignoring!"); 4147 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4148 return false; 4149 } 4150 } 4151 return true; 4152 } 4153 4154 /** 4155 * Enforces that only the system UID or root's UID can call a method exposed 4156 * via Binder. 4157 * 4158 * @param message used as message if SecurityException is thrown 4159 * @throws SecurityException if the caller is not system or root 4160 */ 4161 private static final void enforceSystemOrRoot(String message) { 4162 final int uid = Binder.getCallingUid(); 4163 if (uid != Process.SYSTEM_UID && uid != 0) { 4164 throw new SecurityException(message); 4165 } 4166 } 4167 4168 @Override 4169 public void performBootDexOpt() { 4170 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4171 4172 final HashSet<PackageParser.Package> pkgs; 4173 synchronized (mPackages) { 4174 pkgs = mDeferredDexOpt; 4175 mDeferredDexOpt = null; 4176 } 4177 4178 if (pkgs != null) { 4179 // Filter out packages that aren't recently used. 4180 // 4181 // The exception is first boot of a non-eng device, which 4182 // should do a full dexopt. 4183 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4184 if (eng || !isFirstBoot()) { 4185 // TODO: add a property to control this? 4186 long dexOptLRUThresholdInMinutes; 4187 if (eng) { 4188 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4189 } else { 4190 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4191 } 4192 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4193 4194 int total = pkgs.size(); 4195 int skipped = 0; 4196 long now = System.currentTimeMillis(); 4197 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4198 PackageParser.Package pkg = i.next(); 4199 long then = pkg.mLastPackageUsageTimeInMills; 4200 if (then + dexOptLRUThresholdInMills < now) { 4201 if (DEBUG_DEXOPT) { 4202 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4203 ((then == 0) ? "never" : new Date(then))); 4204 } 4205 i.remove(); 4206 skipped++; 4207 } 4208 } 4209 if (DEBUG_DEXOPT) { 4210 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4211 } 4212 } 4213 4214 int i = 0; 4215 for (PackageParser.Package pkg : pkgs) { 4216 i++; 4217 if (DEBUG_DEXOPT) { 4218 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4219 + ": " + pkg.packageName); 4220 } 4221 if (!isFirstBoot()) { 4222 try { 4223 ActivityManagerNative.getDefault().showBootMessage( 4224 mContext.getResources().getString( 4225 R.string.android_upgrading_apk, 4226 i, pkgs.size()), true); 4227 } catch (RemoteException e) { 4228 } 4229 } 4230 PackageParser.Package p = pkg; 4231 synchronized (mInstallLock) { 4232 if (p.mDexOptNeeded) { 4233 performDexOptLI(p, false /* force dex */, false /* defer */, 4234 true /* include dependencies */); 4235 } 4236 } 4237 } 4238 } 4239 } 4240 4241 @Override 4242 public boolean performDexOpt(String packageName) { 4243 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4244 return performDexOpt(packageName, true); 4245 } 4246 4247 public boolean performDexOpt(String packageName, boolean updateUsage) { 4248 4249 PackageParser.Package p; 4250 synchronized (mPackages) { 4251 p = mPackages.get(packageName); 4252 if (p == null) { 4253 return false; 4254 } 4255 if (updateUsage) { 4256 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4257 } 4258 mPackageUsage.write(false); 4259 if (!p.mDexOptNeeded) { 4260 return false; 4261 } 4262 } 4263 4264 synchronized (mInstallLock) { 4265 return performDexOptLI(p, false /* force dex */, false /* defer */, 4266 true /* include dependencies */) == DEX_OPT_PERFORMED; 4267 } 4268 } 4269 4270 public HashSet<String> getPackagesThatNeedDexOpt() { 4271 HashSet<String> pkgs = null; 4272 synchronized (mPackages) { 4273 for (PackageParser.Package p : mPackages.values()) { 4274 if (DEBUG_DEXOPT) { 4275 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4276 } 4277 if (!p.mDexOptNeeded) { 4278 continue; 4279 } 4280 if (pkgs == null) { 4281 pkgs = new HashSet<String>(); 4282 } 4283 pkgs.add(p.packageName); 4284 } 4285 } 4286 return pkgs; 4287 } 4288 4289 public void shutdown() { 4290 mPackageUsage.write(true); 4291 } 4292 4293 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4294 boolean forceDex, boolean defer, HashSet<String> done) { 4295 for (int i=0; i<libs.size(); i++) { 4296 PackageParser.Package libPkg; 4297 String libName; 4298 synchronized (mPackages) { 4299 libName = libs.get(i); 4300 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4301 if (lib != null && lib.apk != null) { 4302 libPkg = mPackages.get(lib.apk); 4303 } else { 4304 libPkg = null; 4305 } 4306 } 4307 if (libPkg != null && !done.contains(libName)) { 4308 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4309 } 4310 } 4311 } 4312 4313 static final int DEX_OPT_SKIPPED = 0; 4314 static final int DEX_OPT_PERFORMED = 1; 4315 static final int DEX_OPT_DEFERRED = 2; 4316 static final int DEX_OPT_FAILED = -1; 4317 4318 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4319 boolean forceDex, boolean defer, HashSet<String> done) { 4320 final String instructionSet = instructionSetOverride != null ? 4321 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4322 4323 if (done != null) { 4324 done.add(pkg.packageName); 4325 if (pkg.usesLibraries != null) { 4326 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4327 } 4328 if (pkg.usesOptionalLibraries != null) { 4329 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4330 } 4331 } 4332 4333 boolean performed = false; 4334 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4335 String path = pkg.mScanPath; 4336 try { 4337 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4338 pkg.packageName, 4339 instructionSet, 4340 defer); 4341 // There are three basic cases here: 4342 // 1.) we need to dexopt, either because we are forced or it is needed 4343 // 2.) we are defering a needed dexopt 4344 // 3.) we are skipping an unneeded dexopt 4345 if (forceDex || (!defer && isDexOptNeededInternal)) { 4346 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4347 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4348 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4349 pkg.packageName, instructionSet); 4350 // Note that we ran dexopt, since rerunning will 4351 // probably just result in an error again. 4352 pkg.mDexOptNeeded = false; 4353 if (ret < 0) { 4354 return DEX_OPT_FAILED; 4355 } 4356 return DEX_OPT_PERFORMED; 4357 } 4358 if (defer && isDexOptNeededInternal) { 4359 if (mDeferredDexOpt == null) { 4360 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4361 } 4362 mDeferredDexOpt.add(pkg); 4363 return DEX_OPT_DEFERRED; 4364 } 4365 pkg.mDexOptNeeded = false; 4366 return DEX_OPT_SKIPPED; 4367 } catch (FileNotFoundException e) { 4368 Slog.w(TAG, "Apk not found for dexopt: " + path); 4369 return DEX_OPT_FAILED; 4370 } catch (IOException e) { 4371 Slog.w(TAG, "IOException reading apk: " + path, e); 4372 return DEX_OPT_FAILED; 4373 } catch (StaleDexCacheError e) { 4374 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4375 return DEX_OPT_FAILED; 4376 } catch (Exception e) { 4377 Slog.w(TAG, "Exception when doing dexopt : ", e); 4378 return DEX_OPT_FAILED; 4379 } 4380 } 4381 return DEX_OPT_SKIPPED; 4382 } 4383 4384 private String getAppInstructionSet(ApplicationInfo info) { 4385 String instructionSet = getPreferredInstructionSet(); 4386 4387 if (info.cpuAbi != null) { 4388 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4389 } 4390 4391 return instructionSet; 4392 } 4393 4394 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4395 String instructionSet = getPreferredInstructionSet(); 4396 4397 if (ps.cpuAbiString != null) { 4398 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4399 } 4400 4401 return instructionSet; 4402 } 4403 4404 private static String getPreferredInstructionSet() { 4405 if (sPreferredInstructionSet == null) { 4406 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4407 } 4408 4409 return sPreferredInstructionSet; 4410 } 4411 4412 private static List<String> getAllInstructionSets() { 4413 final String[] allAbis = Build.SUPPORTED_ABIS; 4414 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4415 4416 for (String abi : allAbis) { 4417 final String instructionSet = VMRuntime.getInstructionSet(abi); 4418 if (!allInstructionSets.contains(instructionSet)) { 4419 allInstructionSets.add(instructionSet); 4420 } 4421 } 4422 4423 return allInstructionSets; 4424 } 4425 4426 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4427 boolean inclDependencies) { 4428 HashSet<String> done; 4429 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4430 done = new HashSet<String>(); 4431 done.add(pkg.packageName); 4432 } else { 4433 done = null; 4434 } 4435 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4436 } 4437 4438 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4439 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4440 Slog.w(TAG, "Unable to update from " + oldPkg.name 4441 + " to " + newPkg.packageName 4442 + ": old package not in system partition"); 4443 return false; 4444 } else if (mPackages.get(oldPkg.name) != null) { 4445 Slog.w(TAG, "Unable to update from " + oldPkg.name 4446 + " to " + newPkg.packageName 4447 + ": old package still exists"); 4448 return false; 4449 } 4450 return true; 4451 } 4452 4453 File getDataPathForUser(int userId) { 4454 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4455 } 4456 4457 private File getDataPathForPackage(String packageName, int userId) { 4458 /* 4459 * Until we fully support multiple users, return the directory we 4460 * previously would have. The PackageManagerTests will need to be 4461 * revised when this is changed back.. 4462 */ 4463 if (userId == 0) { 4464 return new File(mAppDataDir, packageName); 4465 } else { 4466 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4467 + File.separator + packageName); 4468 } 4469 } 4470 4471 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4472 int[] users = sUserManager.getUserIds(); 4473 int res = mInstaller.install(packageName, uid, uid, seinfo); 4474 if (res < 0) { 4475 return res; 4476 } 4477 for (int user : users) { 4478 if (user != 0) { 4479 res = mInstaller.createUserData(packageName, 4480 UserHandle.getUid(user, uid), user, seinfo); 4481 if (res < 0) { 4482 return res; 4483 } 4484 } 4485 } 4486 return res; 4487 } 4488 4489 private int removeDataDirsLI(String packageName) { 4490 int[] users = sUserManager.getUserIds(); 4491 int res = 0; 4492 for (int user : users) { 4493 int resInner = mInstaller.remove(packageName, user); 4494 if (resInner < 0) { 4495 res = resInner; 4496 } 4497 } 4498 4499 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4500 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4501 if (!nativeLibraryFile.delete()) { 4502 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4503 } 4504 4505 return res; 4506 } 4507 4508 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4509 PackageParser.Package changingLib) { 4510 if (file.path != null) { 4511 mTmpSharedLibraries[num] = file.path; 4512 return num+1; 4513 } 4514 PackageParser.Package p = mPackages.get(file.apk); 4515 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4516 // If we are doing this while in the middle of updating a library apk, 4517 // then we need to make sure to use that new apk for determining the 4518 // dependencies here. (We haven't yet finished committing the new apk 4519 // to the package manager state.) 4520 if (p == null || p.packageName.equals(changingLib.packageName)) { 4521 p = changingLib; 4522 } 4523 } 4524 if (p != null) { 4525 String path = p.mPath; 4526 for (int i=0; i<num; i++) { 4527 if (mTmpSharedLibraries[i].equals(path)) { 4528 return num; 4529 } 4530 } 4531 mTmpSharedLibraries[num] = p.mPath; 4532 return num+1; 4533 } 4534 return num; 4535 } 4536 4537 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4538 PackageParser.Package changingLib) { 4539 // We might be upgrading from a version of the platform that did not 4540 // provide per-package native library directories for system apps. 4541 // Fix that up here. 4542 if (isSystemApp(pkg)) { 4543 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4544 setInternalAppNativeLibraryPath(pkg, ps); 4545 } 4546 4547 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4548 if (mTmpSharedLibraries == null || 4549 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4550 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4551 } 4552 int num = 0; 4553 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4554 for (int i=0; i<N; i++) { 4555 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4556 if (file == null) { 4557 Slog.e(TAG, "Package " + pkg.packageName 4558 + " requires unavailable shared library " 4559 + pkg.usesLibraries.get(i) + "; failing!"); 4560 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4561 return false; 4562 } 4563 num = addSharedLibraryLPw(file, num, changingLib); 4564 } 4565 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4566 for (int i=0; i<N; i++) { 4567 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4568 if (file == null) { 4569 Slog.w(TAG, "Package " + pkg.packageName 4570 + " desires unavailable shared library " 4571 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4572 } else { 4573 num = addSharedLibraryLPw(file, num, changingLib); 4574 } 4575 } 4576 if (num > 0) { 4577 pkg.usesLibraryFiles = new String[num]; 4578 System.arraycopy(mTmpSharedLibraries, 0, 4579 pkg.usesLibraryFiles, 0, num); 4580 } else { 4581 pkg.usesLibraryFiles = null; 4582 } 4583 } 4584 return true; 4585 } 4586 4587 private static boolean hasString(List<String> list, List<String> which) { 4588 if (list == null) { 4589 return false; 4590 } 4591 for (int i=list.size()-1; i>=0; i--) { 4592 for (int j=which.size()-1; j>=0; j--) { 4593 if (which.get(j).equals(list.get(i))) { 4594 return true; 4595 } 4596 } 4597 } 4598 return false; 4599 } 4600 4601 private void updateAllSharedLibrariesLPw() { 4602 for (PackageParser.Package pkg : mPackages.values()) { 4603 updateSharedLibrariesLPw(pkg, null); 4604 } 4605 } 4606 4607 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4608 PackageParser.Package changingPkg) { 4609 ArrayList<PackageParser.Package> res = null; 4610 for (PackageParser.Package pkg : mPackages.values()) { 4611 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4612 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4613 if (res == null) { 4614 res = new ArrayList<PackageParser.Package>(); 4615 } 4616 res.add(pkg); 4617 updateSharedLibrariesLPw(pkg, changingPkg); 4618 } 4619 } 4620 return res; 4621 } 4622 4623 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4624 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4625 File scanFile = new File(pkg.mScanPath); 4626 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4627 pkg.applicationInfo.publicSourceDir == null) { 4628 // Bail out. The resource and code paths haven't been set. 4629 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4630 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4631 return null; 4632 } 4633 4634 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4635 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4636 } 4637 4638 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4639 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4640 } 4641 4642 if (mCustomResolverComponentName != null && 4643 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4644 setUpCustomResolverActivity(pkg); 4645 } 4646 4647 if (pkg.packageName.equals("android")) { 4648 synchronized (mPackages) { 4649 if (mAndroidApplication != null) { 4650 Slog.w(TAG, "*************************************************"); 4651 Slog.w(TAG, "Core android package being redefined. Skipping."); 4652 Slog.w(TAG, " file=" + scanFile); 4653 Slog.w(TAG, "*************************************************"); 4654 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4655 return null; 4656 } 4657 4658 // Set up information for our fall-back user intent resolution activity. 4659 mPlatformPackage = pkg; 4660 pkg.mVersionCode = mSdkVersion; 4661 mAndroidApplication = pkg.applicationInfo; 4662 4663 if (!mResolverReplaced) { 4664 mResolveActivity.applicationInfo = mAndroidApplication; 4665 mResolveActivity.name = ResolverActivity.class.getName(); 4666 mResolveActivity.packageName = mAndroidApplication.packageName; 4667 mResolveActivity.processName = "system:ui"; 4668 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4669 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4670 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4671 mResolveActivity.exported = true; 4672 mResolveActivity.enabled = true; 4673 mResolveInfo.activityInfo = mResolveActivity; 4674 mResolveInfo.priority = 0; 4675 mResolveInfo.preferredOrder = 0; 4676 mResolveInfo.match = 0; 4677 mResolveComponentName = new ComponentName( 4678 mAndroidApplication.packageName, mResolveActivity.name); 4679 } 4680 } 4681 } 4682 4683 if (DEBUG_PACKAGE_SCANNING) { 4684 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4685 Log.d(TAG, "Scanning package " + pkg.packageName); 4686 } 4687 4688 if (mPackages.containsKey(pkg.packageName) 4689 || mSharedLibraries.containsKey(pkg.packageName)) { 4690 Slog.w(TAG, "Application package " + pkg.packageName 4691 + " already installed. Skipping duplicate."); 4692 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4693 return null; 4694 } 4695 4696 // Initialize package source and resource directories 4697 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4698 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4699 4700 SharedUserSetting suid = null; 4701 PackageSetting pkgSetting = null; 4702 4703 if (!isSystemApp(pkg)) { 4704 // Only system apps can use these features. 4705 pkg.mOriginalPackages = null; 4706 pkg.mRealPackage = null; 4707 pkg.mAdoptPermissions = null; 4708 } 4709 4710 // writer 4711 synchronized (mPackages) { 4712 if (pkg.mSharedUserId != null) { 4713 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4714 if (suid == null) { 4715 Slog.w(TAG, "Creating application package " + pkg.packageName 4716 + " for shared user failed"); 4717 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4718 return null; 4719 } 4720 if (DEBUG_PACKAGE_SCANNING) { 4721 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4722 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4723 + "): packages=" + suid.packages); 4724 } 4725 } 4726 4727 // Check if we are renaming from an original package name. 4728 PackageSetting origPackage = null; 4729 String realName = null; 4730 if (pkg.mOriginalPackages != null) { 4731 // This package may need to be renamed to a previously 4732 // installed name. Let's check on that... 4733 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4734 if (pkg.mOriginalPackages.contains(renamed)) { 4735 // This package had originally been installed as the 4736 // original name, and we have already taken care of 4737 // transitioning to the new one. Just update the new 4738 // one to continue using the old name. 4739 realName = pkg.mRealPackage; 4740 if (!pkg.packageName.equals(renamed)) { 4741 // Callers into this function may have already taken 4742 // care of renaming the package; only do it here if 4743 // it is not already done. 4744 pkg.setPackageName(renamed); 4745 } 4746 4747 } else { 4748 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4749 if ((origPackage = mSettings.peekPackageLPr( 4750 pkg.mOriginalPackages.get(i))) != null) { 4751 // We do have the package already installed under its 4752 // original name... should we use it? 4753 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4754 // New package is not compatible with original. 4755 origPackage = null; 4756 continue; 4757 } else if (origPackage.sharedUser != null) { 4758 // Make sure uid is compatible between packages. 4759 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4760 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4761 + " to " + pkg.packageName + ": old uid " 4762 + origPackage.sharedUser.name 4763 + " differs from " + pkg.mSharedUserId); 4764 origPackage = null; 4765 continue; 4766 } 4767 } else { 4768 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4769 + pkg.packageName + " to old name " + origPackage.name); 4770 } 4771 break; 4772 } 4773 } 4774 } 4775 } 4776 4777 if (mTransferedPackages.contains(pkg.packageName)) { 4778 Slog.w(TAG, "Package " + pkg.packageName 4779 + " was transferred to another, but its .apk remains"); 4780 } 4781 4782 // Just create the setting, don't add it yet. For already existing packages 4783 // the PkgSetting exists already and doesn't have to be created. 4784 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4785 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4786 pkg.applicationInfo.cpuAbi, 4787 pkg.applicationInfo.flags, user, false); 4788 if (pkgSetting == null) { 4789 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4790 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4791 return null; 4792 } 4793 4794 if (pkgSetting.origPackage != null) { 4795 // If we are first transitioning from an original package, 4796 // fix up the new package's name now. We need to do this after 4797 // looking up the package under its new name, so getPackageLP 4798 // can take care of fiddling things correctly. 4799 pkg.setPackageName(origPackage.name); 4800 4801 // File a report about this. 4802 String msg = "New package " + pkgSetting.realName 4803 + " renamed to replace old package " + pkgSetting.name; 4804 reportSettingsProblem(Log.WARN, msg); 4805 4806 // Make a note of it. 4807 mTransferedPackages.add(origPackage.name); 4808 4809 // No longer need to retain this. 4810 pkgSetting.origPackage = null; 4811 } 4812 4813 if (realName != null) { 4814 // Make a note of it. 4815 mTransferedPackages.add(pkg.packageName); 4816 } 4817 4818 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4819 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4820 } 4821 4822 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4823 // Check all shared libraries and map to their actual file path. 4824 // We only do this here for apps not on a system dir, because those 4825 // are the only ones that can fail an install due to this. We 4826 // will take care of the system apps by updating all of their 4827 // library paths after the scan is done. 4828 if (!updateSharedLibrariesLPw(pkg, null)) { 4829 return null; 4830 } 4831 } 4832 4833 if (mFoundPolicyFile) { 4834 SELinuxMMAC.assignSeinfoValue(pkg); 4835 } 4836 4837 pkg.applicationInfo.uid = pkgSetting.appId; 4838 pkg.mExtras = pkgSetting; 4839 4840 if (!verifySignaturesLP(pkgSetting, pkg)) { 4841 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4842 return null; 4843 } 4844 // The signature has changed, but this package is in the system 4845 // image... let's recover! 4846 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4847 // However... if this package is part of a shared user, but it 4848 // doesn't match the signature of the shared user, let's fail. 4849 // What this means is that you can't change the signatures 4850 // associated with an overall shared user, which doesn't seem all 4851 // that unreasonable. 4852 if (pkgSetting.sharedUser != null) { 4853 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4854 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4855 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4856 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4857 return null; 4858 } 4859 } 4860 // File a report about this. 4861 String msg = "System package " + pkg.packageName 4862 + " signature changed; retaining data."; 4863 reportSettingsProblem(Log.WARN, msg); 4864 } 4865 4866 // Verify that this new package doesn't have any content providers 4867 // that conflict with existing packages. Only do this if the 4868 // package isn't already installed, since we don't want to break 4869 // things that are installed. 4870 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4871 final int N = pkg.providers.size(); 4872 int i; 4873 for (i=0; i<N; i++) { 4874 PackageParser.Provider p = pkg.providers.get(i); 4875 if (p.info.authority != null) { 4876 String names[] = p.info.authority.split(";"); 4877 for (int j = 0; j < names.length; j++) { 4878 if (mProvidersByAuthority.containsKey(names[j])) { 4879 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4880 Slog.w(TAG, "Can't install because provider name " + names[j] + 4881 " (in package " + pkg.applicationInfo.packageName + 4882 ") is already used by " 4883 + ((other != null && other.getComponentName() != null) 4884 ? other.getComponentName().getPackageName() : "?")); 4885 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4886 return null; 4887 } 4888 } 4889 } 4890 } 4891 } 4892 4893 if (pkg.mAdoptPermissions != null) { 4894 // This package wants to adopt ownership of permissions from 4895 // another package. 4896 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4897 final String origName = pkg.mAdoptPermissions.get(i); 4898 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4899 if (orig != null) { 4900 if (verifyPackageUpdateLPr(orig, pkg)) { 4901 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4902 + pkg.packageName); 4903 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4904 } 4905 } 4906 } 4907 } 4908 } 4909 4910 final String pkgName = pkg.packageName; 4911 4912 final long scanFileTime = scanFile.lastModified(); 4913 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4914 pkg.applicationInfo.processName = fixProcessName( 4915 pkg.applicationInfo.packageName, 4916 pkg.applicationInfo.processName, 4917 pkg.applicationInfo.uid); 4918 4919 File dataPath; 4920 if (mPlatformPackage == pkg) { 4921 // The system package is special. 4922 dataPath = new File (Environment.getDataDirectory(), "system"); 4923 pkg.applicationInfo.dataDir = dataPath.getPath(); 4924 } else { 4925 // This is a normal package, need to make its data directory. 4926 dataPath = getDataPathForPackage(pkg.packageName, 0); 4927 4928 boolean uidError = false; 4929 4930 if (dataPath.exists()) { 4931 int currentUid = 0; 4932 try { 4933 StructStat stat = Os.stat(dataPath.getPath()); 4934 currentUid = stat.st_uid; 4935 } catch (ErrnoException e) { 4936 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4937 } 4938 4939 // If we have mismatched owners for the data path, we have a problem. 4940 if (currentUid != pkg.applicationInfo.uid) { 4941 boolean recovered = false; 4942 if (currentUid == 0) { 4943 // The directory somehow became owned by root. Wow. 4944 // This is probably because the system was stopped while 4945 // installd was in the middle of messing with its libs 4946 // directory. Ask installd to fix that. 4947 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4948 pkg.applicationInfo.uid); 4949 if (ret >= 0) { 4950 recovered = true; 4951 String msg = "Package " + pkg.packageName 4952 + " unexpectedly changed to uid 0; recovered to " + 4953 + pkg.applicationInfo.uid; 4954 reportSettingsProblem(Log.WARN, msg); 4955 } 4956 } 4957 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4958 || (scanMode&SCAN_BOOTING) != 0)) { 4959 // If this is a system app, we can at least delete its 4960 // current data so the application will still work. 4961 int ret = removeDataDirsLI(pkgName); 4962 if (ret >= 0) { 4963 // TODO: Kill the processes first 4964 // Old data gone! 4965 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4966 ? "System package " : "Third party package "; 4967 String msg = prefix + pkg.packageName 4968 + " has changed from uid: " 4969 + currentUid + " to " 4970 + pkg.applicationInfo.uid + "; old data erased"; 4971 reportSettingsProblem(Log.WARN, msg); 4972 recovered = true; 4973 4974 // And now re-install the app. 4975 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4976 pkg.applicationInfo.seinfo); 4977 if (ret == -1) { 4978 // Ack should not happen! 4979 msg = prefix + pkg.packageName 4980 + " could not have data directory re-created after delete."; 4981 reportSettingsProblem(Log.WARN, msg); 4982 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4983 return null; 4984 } 4985 } 4986 if (!recovered) { 4987 mHasSystemUidErrors = true; 4988 } 4989 } else if (!recovered) { 4990 // If we allow this install to proceed, we will be broken. 4991 // Abort, abort! 4992 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4993 return null; 4994 } 4995 if (!recovered) { 4996 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4997 + pkg.applicationInfo.uid + "/fs_" 4998 + currentUid; 4999 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5000 String msg = "Package " + pkg.packageName 5001 + " has mismatched uid: " 5002 + currentUid + " on disk, " 5003 + pkg.applicationInfo.uid + " in settings"; 5004 // writer 5005 synchronized (mPackages) { 5006 mSettings.mReadMessages.append(msg); 5007 mSettings.mReadMessages.append('\n'); 5008 uidError = true; 5009 if (!pkgSetting.uidError) { 5010 reportSettingsProblem(Log.ERROR, msg); 5011 } 5012 } 5013 } 5014 } 5015 pkg.applicationInfo.dataDir = dataPath.getPath(); 5016 if (mShouldRestoreconData) { 5017 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5018 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5019 pkg.applicationInfo.uid); 5020 } 5021 } else { 5022 if (DEBUG_PACKAGE_SCANNING) { 5023 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5024 Log.v(TAG, "Want this data dir: " + dataPath); 5025 } 5026 //invoke installer to do the actual installation 5027 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5028 pkg.applicationInfo.seinfo); 5029 if (ret < 0) { 5030 // Error from installer 5031 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5032 return null; 5033 } 5034 5035 if (dataPath.exists()) { 5036 pkg.applicationInfo.dataDir = dataPath.getPath(); 5037 } else { 5038 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5039 pkg.applicationInfo.dataDir = null; 5040 } 5041 } 5042 5043 /* 5044 * Set the data dir to the default "/data/data/<package name>/lib" 5045 * if we got here without anyone telling us different (e.g., apps 5046 * stored on SD card have their native libraries stored in the ASEC 5047 * container with the APK). 5048 * 5049 * This happens during an upgrade from a package settings file that 5050 * doesn't have a native library path attribute at all. 5051 */ 5052 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5053 if (pkgSetting.nativeLibraryPathString == null) { 5054 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5055 } else { 5056 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5057 } 5058 } 5059 pkgSetting.uidError = uidError; 5060 } 5061 5062 String path = scanFile.getPath(); 5063 /* Note: We don't want to unpack the native binaries for 5064 * system applications, unless they have been updated 5065 * (the binaries are already under /system/lib). 5066 * Also, don't unpack libs for apps on the external card 5067 * since they should have their libraries in the ASEC 5068 * container already. 5069 * 5070 * In other words, we're going to unpack the binaries 5071 * only for non-system apps and system app upgrades. 5072 */ 5073 if (pkg.applicationInfo.nativeLibraryDir != null) { 5074 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5075 try { 5076 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5077 final String dataPathString = dataPath.getCanonicalPath(); 5078 5079 final String[] abiList = (abiOverride != null) ? new String[] { abiOverride } : 5080 Build.SUPPORTED_ABIS; 5081 5082 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5083 /* 5084 * Upgrading from a previous version of the OS sometimes 5085 * leaves native libraries in the /data/data/<app>/lib 5086 * directory for system apps even when they shouldn't be. 5087 * Recent changes in the JNI library search path 5088 * necessitates we remove those to match previous behavior. 5089 */ 5090 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5091 Log.i(TAG, "removed obsolete native libraries for system package " 5092 + path); 5093 } 5094 if (abiOverride != null) { 5095 pkg.applicationInfo.cpuAbi = abiOverride; 5096 } else { 5097 setInternalAppAbi(pkg, pkgSetting); 5098 } 5099 } else { 5100 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5101 /* 5102 * Update native library dir if it starts with 5103 * /data/data 5104 */ 5105 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5106 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5107 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5108 } 5109 5110 try { 5111 int copyRet = copyNativeLibrariesForInternalApp(handle, 5112 nativeLibraryDir, abiList); 5113 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5114 Slog.e(TAG, "Unable to copy native libraries"); 5115 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5116 return null; 5117 } 5118 5119 // We've successfully copied native libraries across, so we make a 5120 // note of what ABI we're using 5121 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5122 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5123 } else if (abiOverride != null) { 5124 pkg.applicationInfo.cpuAbi = abiOverride; 5125 } else { 5126 pkg.applicationInfo.cpuAbi = null; 5127 } 5128 } catch (IOException e) { 5129 Slog.e(TAG, "Unable to copy native libraries", e); 5130 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5131 return null; 5132 } 5133 } else { 5134 // We don't have to copy the shared libraries if we're in the ASEC container 5135 // but we still need to scan the file to figure out what ABI the app needs. 5136 // 5137 // TODO: This duplicates work done in the default container service. It's possible 5138 // to clean this up but we'll need to change the interface between this service 5139 // and IMediaContainerService (but doing so will spread this logic out, rather 5140 // than centralizing it). 5141 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5142 if (abi >= 0) { 5143 pkg.applicationInfo.cpuAbi = abiList[abi]; 5144 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5145 // Note that (non upgraded) system apps will not have any native 5146 // libraries bundled in their APK, but we're guaranteed not to be 5147 // such an app at this point. 5148 if (abiOverride != null) { 5149 pkg.applicationInfo.cpuAbi = abiOverride; 5150 } else { 5151 pkg.applicationInfo.cpuAbi = null; 5152 } 5153 } else { 5154 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5155 return null; 5156 } 5157 } 5158 5159 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5160 final int[] userIds = sUserManager.getUserIds(); 5161 synchronized (mInstallLock) { 5162 for (int userId : userIds) { 5163 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5164 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5165 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5166 + ")"); 5167 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5168 return null; 5169 } 5170 } 5171 } 5172 } 5173 5174 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5175 } catch (IOException ioe) { 5176 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5177 } finally { 5178 handle.close(); 5179 } 5180 } 5181 pkg.mScanPath = path; 5182 5183 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5184 // We don't do this here during boot because we can do it all 5185 // at once after scanning all existing packages. 5186 // 5187 // We also do this *before* we perform dexopt on this package, so that 5188 // we can avoid redundant dexopts, and also to make sure we've got the 5189 // code and package path correct. 5190 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5191 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5192 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5193 return null; 5194 } 5195 } 5196 5197 if ((scanMode&SCAN_NO_DEX) == 0) { 5198 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5199 == DEX_OPT_FAILED) { 5200 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5201 removeDataDirsLI(pkg.packageName); 5202 } 5203 5204 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5205 return null; 5206 } 5207 } 5208 5209 if (mFactoryTest && pkg.requestedPermissions.contains( 5210 android.Manifest.permission.FACTORY_TEST)) { 5211 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5212 } 5213 5214 ArrayList<PackageParser.Package> clientLibPkgs = null; 5215 5216 // writer 5217 synchronized (mPackages) { 5218 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5219 // Only system apps can add new shared libraries. 5220 if (pkg.libraryNames != null) { 5221 for (int i=0; i<pkg.libraryNames.size(); i++) { 5222 String name = pkg.libraryNames.get(i); 5223 boolean allowed = false; 5224 if (isUpdatedSystemApp(pkg)) { 5225 // New library entries can only be added through the 5226 // system image. This is important to get rid of a lot 5227 // of nasty edge cases: for example if we allowed a non- 5228 // system update of the app to add a library, then uninstalling 5229 // the update would make the library go away, and assumptions 5230 // we made such as through app install filtering would now 5231 // have allowed apps on the device which aren't compatible 5232 // with it. Better to just have the restriction here, be 5233 // conservative, and create many fewer cases that can negatively 5234 // impact the user experience. 5235 final PackageSetting sysPs = mSettings 5236 .getDisabledSystemPkgLPr(pkg.packageName); 5237 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5238 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5239 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5240 allowed = true; 5241 allowed = true; 5242 break; 5243 } 5244 } 5245 } 5246 } else { 5247 allowed = true; 5248 } 5249 if (allowed) { 5250 if (!mSharedLibraries.containsKey(name)) { 5251 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5252 } else if (!name.equals(pkg.packageName)) { 5253 Slog.w(TAG, "Package " + pkg.packageName + " library " 5254 + name + " already exists; skipping"); 5255 } 5256 } else { 5257 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5258 + name + " that is not declared on system image; skipping"); 5259 } 5260 } 5261 if ((scanMode&SCAN_BOOTING) == 0) { 5262 // If we are not booting, we need to update any applications 5263 // that are clients of our shared library. If we are booting, 5264 // this will all be done once the scan is complete. 5265 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5266 } 5267 } 5268 } 5269 } 5270 5271 // We also need to dexopt any apps that are dependent on this library. Note that 5272 // if these fail, we should abort the install since installing the library will 5273 // result in some apps being broken. 5274 if (clientLibPkgs != null) { 5275 if ((scanMode&SCAN_NO_DEX) == 0) { 5276 for (int i=0; i<clientLibPkgs.size(); i++) { 5277 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5278 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5279 == DEX_OPT_FAILED) { 5280 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5281 removeDataDirsLI(pkg.packageName); 5282 } 5283 5284 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5285 return null; 5286 } 5287 } 5288 } 5289 } 5290 5291 // Request the ActivityManager to kill the process(only for existing packages) 5292 // so that we do not end up in a confused state while the user is still using the older 5293 // version of the application while the new one gets installed. 5294 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5295 // If the package lives in an asec, tell everyone that the container is going 5296 // away so they can clean up any references to its resources (which would prevent 5297 // vold from being able to unmount the asec) 5298 if (isForwardLocked(pkg) || isExternal(pkg)) { 5299 if (DEBUG_INSTALL) { 5300 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5301 } 5302 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5303 final ArrayList<String> pkgList = new ArrayList<String>(1); 5304 pkgList.add(pkg.applicationInfo.packageName); 5305 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5306 } 5307 5308 // Post the request that it be killed now that the going-away broadcast is en route 5309 killApplication(pkg.applicationInfo.packageName, 5310 pkg.applicationInfo.uid, "update pkg"); 5311 } 5312 5313 // Also need to kill any apps that are dependent on the library. 5314 if (clientLibPkgs != null) { 5315 for (int i=0; i<clientLibPkgs.size(); i++) { 5316 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5317 killApplication(clientPkg.applicationInfo.packageName, 5318 clientPkg.applicationInfo.uid, "update lib"); 5319 } 5320 } 5321 5322 // writer 5323 synchronized (mPackages) { 5324 // We don't expect installation to fail beyond this point, 5325 if ((scanMode&SCAN_MONITOR) != 0) { 5326 mAppDirs.put(pkg.mPath, pkg); 5327 } 5328 // Add the new setting to mSettings 5329 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5330 // Add the new setting to mPackages 5331 mPackages.put(pkg.applicationInfo.packageName, pkg); 5332 // Make sure we don't accidentally delete its data. 5333 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5334 while (iter.hasNext()) { 5335 PackageCleanItem item = iter.next(); 5336 if (pkgName.equals(item.packageName)) { 5337 iter.remove(); 5338 } 5339 } 5340 5341 // Take care of first install / last update times. 5342 if (currentTime != 0) { 5343 if (pkgSetting.firstInstallTime == 0) { 5344 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5345 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5346 pkgSetting.lastUpdateTime = currentTime; 5347 } 5348 } else if (pkgSetting.firstInstallTime == 0) { 5349 // We need *something*. Take time time stamp of the file. 5350 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5351 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5352 if (scanFileTime != pkgSetting.timeStamp) { 5353 // A package on the system image has changed; consider this 5354 // to be an update. 5355 pkgSetting.lastUpdateTime = scanFileTime; 5356 } 5357 } 5358 5359 // Add the package's KeySets to the global KeySetManager 5360 KeySetManager ksm = mSettings.mKeySetManager; 5361 try { 5362 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5363 if (pkg.mKeySetMapping != null) { 5364 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5365 if (entry.getValue() != null) { 5366 ksm.addDefinedKeySetToPackage(pkg.packageName, 5367 entry.getValue(), entry.getKey()); 5368 } 5369 } 5370 } 5371 } catch (NullPointerException e) { 5372 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5373 } catch (IllegalArgumentException e) { 5374 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5375 } 5376 5377 int N = pkg.providers.size(); 5378 StringBuilder r = null; 5379 int i; 5380 for (i=0; i<N; i++) { 5381 PackageParser.Provider p = pkg.providers.get(i); 5382 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5383 p.info.processName, pkg.applicationInfo.uid); 5384 mProviders.addProvider(p); 5385 p.syncable = p.info.isSyncable; 5386 if (p.info.authority != null) { 5387 String names[] = p.info.authority.split(";"); 5388 p.info.authority = null; 5389 for (int j = 0; j < names.length; j++) { 5390 if (j == 1 && p.syncable) { 5391 // We only want the first authority for a provider to possibly be 5392 // syncable, so if we already added this provider using a different 5393 // authority clear the syncable flag. We copy the provider before 5394 // changing it because the mProviders object contains a reference 5395 // to a provider that we don't want to change. 5396 // Only do this for the second authority since the resulting provider 5397 // object can be the same for all future authorities for this provider. 5398 p = new PackageParser.Provider(p); 5399 p.syncable = false; 5400 } 5401 if (!mProvidersByAuthority.containsKey(names[j])) { 5402 mProvidersByAuthority.put(names[j], p); 5403 if (p.info.authority == null) { 5404 p.info.authority = names[j]; 5405 } else { 5406 p.info.authority = p.info.authority + ";" + names[j]; 5407 } 5408 if (DEBUG_PACKAGE_SCANNING) { 5409 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5410 Log.d(TAG, "Registered content provider: " + names[j] 5411 + ", className = " + p.info.name + ", isSyncable = " 5412 + p.info.isSyncable); 5413 } 5414 } else { 5415 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5416 Slog.w(TAG, "Skipping provider name " + names[j] + 5417 " (in package " + pkg.applicationInfo.packageName + 5418 "): name already used by " 5419 + ((other != null && other.getComponentName() != null) 5420 ? other.getComponentName().getPackageName() : "?")); 5421 } 5422 } 5423 } 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(p.info.name); 5431 } 5432 } 5433 if (r != null) { 5434 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5435 } 5436 5437 N = pkg.services.size(); 5438 r = null; 5439 for (i=0; i<N; i++) { 5440 PackageParser.Service s = pkg.services.get(i); 5441 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5442 s.info.processName, pkg.applicationInfo.uid); 5443 mServices.addService(s); 5444 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5445 if (r == null) { 5446 r = new StringBuilder(256); 5447 } else { 5448 r.append(' '); 5449 } 5450 r.append(s.info.name); 5451 } 5452 } 5453 if (r != null) { 5454 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5455 } 5456 5457 N = pkg.receivers.size(); 5458 r = null; 5459 for (i=0; i<N; i++) { 5460 PackageParser.Activity a = pkg.receivers.get(i); 5461 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5462 a.info.processName, pkg.applicationInfo.uid); 5463 mReceivers.addActivity(a, "receiver"); 5464 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5465 if (r == null) { 5466 r = new StringBuilder(256); 5467 } else { 5468 r.append(' '); 5469 } 5470 r.append(a.info.name); 5471 } 5472 } 5473 if (r != null) { 5474 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5475 } 5476 5477 N = pkg.activities.size(); 5478 r = null; 5479 for (i=0; i<N; i++) { 5480 PackageParser.Activity a = pkg.activities.get(i); 5481 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5482 a.info.processName, pkg.applicationInfo.uid); 5483 mActivities.addActivity(a, "activity"); 5484 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5485 if (r == null) { 5486 r = new StringBuilder(256); 5487 } else { 5488 r.append(' '); 5489 } 5490 r.append(a.info.name); 5491 } 5492 } 5493 if (r != null) { 5494 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5495 } 5496 5497 N = pkg.permissionGroups.size(); 5498 r = null; 5499 for (i=0; i<N; i++) { 5500 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5501 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5502 if (cur == null) { 5503 mPermissionGroups.put(pg.info.name, pg); 5504 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5505 if (r == null) { 5506 r = new StringBuilder(256); 5507 } else { 5508 r.append(' '); 5509 } 5510 r.append(pg.info.name); 5511 } 5512 } else { 5513 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5514 + pg.info.packageName + " ignored: original from " 5515 + cur.info.packageName); 5516 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5517 if (r == null) { 5518 r = new StringBuilder(256); 5519 } else { 5520 r.append(' '); 5521 } 5522 r.append("DUP:"); 5523 r.append(pg.info.name); 5524 } 5525 } 5526 } 5527 if (r != null) { 5528 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5529 } 5530 5531 N = pkg.permissions.size(); 5532 r = null; 5533 for (i=0; i<N; i++) { 5534 PackageParser.Permission p = pkg.permissions.get(i); 5535 HashMap<String, BasePermission> permissionMap = 5536 p.tree ? mSettings.mPermissionTrees 5537 : mSettings.mPermissions; 5538 p.group = mPermissionGroups.get(p.info.group); 5539 if (p.info.group == null || p.group != null) { 5540 BasePermission bp = permissionMap.get(p.info.name); 5541 if (bp == null) { 5542 bp = new BasePermission(p.info.name, p.info.packageName, 5543 BasePermission.TYPE_NORMAL); 5544 permissionMap.put(p.info.name, bp); 5545 } 5546 if (bp.perm == null) { 5547 if (bp.sourcePackage != null 5548 && !bp.sourcePackage.equals(p.info.packageName)) { 5549 // If this is a permission that was formerly defined by a non-system 5550 // app, but is now defined by a system app (following an upgrade), 5551 // discard the previous declaration and consider the system's to be 5552 // canonical. 5553 if (isSystemApp(p.owner)) { 5554 Slog.i(TAG, "New decl " + p.owner + " of permission " 5555 + p.info.name + " is system"); 5556 bp.sourcePackage = null; 5557 } 5558 } 5559 if (bp.sourcePackage == null 5560 || bp.sourcePackage.equals(p.info.packageName)) { 5561 BasePermission tree = findPermissionTreeLP(p.info.name); 5562 if (tree == null 5563 || tree.sourcePackage.equals(p.info.packageName)) { 5564 bp.packageSetting = pkgSetting; 5565 bp.perm = p; 5566 bp.uid = pkg.applicationInfo.uid; 5567 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5568 if (r == null) { 5569 r = new StringBuilder(256); 5570 } else { 5571 r.append(' '); 5572 } 5573 r.append(p.info.name); 5574 } 5575 } else { 5576 Slog.w(TAG, "Permission " + p.info.name + " from package " 5577 + p.info.packageName + " ignored: base tree " 5578 + tree.name + " is from package " 5579 + tree.sourcePackage); 5580 } 5581 } else { 5582 Slog.w(TAG, "Permission " + p.info.name + " from package " 5583 + p.info.packageName + " ignored: original from " 5584 + bp.sourcePackage); 5585 } 5586 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5587 if (r == null) { 5588 r = new StringBuilder(256); 5589 } else { 5590 r.append(' '); 5591 } 5592 r.append("DUP:"); 5593 r.append(p.info.name); 5594 } 5595 if (bp.perm == p) { 5596 bp.protectionLevel = p.info.protectionLevel; 5597 } 5598 } else { 5599 Slog.w(TAG, "Permission " + p.info.name + " from package " 5600 + p.info.packageName + " ignored: no group " 5601 + p.group); 5602 } 5603 } 5604 if (r != null) { 5605 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5606 } 5607 5608 N = pkg.instrumentation.size(); 5609 r = null; 5610 for (i=0; i<N; i++) { 5611 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5612 a.info.packageName = pkg.applicationInfo.packageName; 5613 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5614 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5615 a.info.dataDir = pkg.applicationInfo.dataDir; 5616 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5617 mInstrumentation.put(a.getComponentName(), a); 5618 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5619 if (r == null) { 5620 r = new StringBuilder(256); 5621 } else { 5622 r.append(' '); 5623 } 5624 r.append(a.info.name); 5625 } 5626 } 5627 if (r != null) { 5628 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5629 } 5630 5631 if (pkg.protectedBroadcasts != null) { 5632 N = pkg.protectedBroadcasts.size(); 5633 for (i=0; i<N; i++) { 5634 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5635 } 5636 } 5637 5638 pkgSetting.setTimeStamp(scanFileTime); 5639 5640 // Create idmap files for pairs of (packages, overlay packages). 5641 // Note: "android", ie framework-res.apk, is handled by native layers. 5642 if (pkg.mOverlayTarget != null) { 5643 // This is an overlay package. 5644 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5645 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5646 mOverlays.put(pkg.mOverlayTarget, 5647 new HashMap<String, PackageParser.Package>()); 5648 } 5649 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5650 map.put(pkg.packageName, pkg); 5651 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5652 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5653 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5654 return null; 5655 } 5656 } 5657 } else if (mOverlays.containsKey(pkg.packageName) && 5658 !pkg.packageName.equals("android")) { 5659 // This is a regular package, with one or more known overlay packages. 5660 createIdmapsForPackageLI(pkg); 5661 } 5662 } 5663 5664 return pkg; 5665 } 5666 5667 /** 5668 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5669 * i.e, so that all packages can be run inside a single process if required. 5670 * 5671 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5672 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5673 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5674 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5675 * updating a package that belongs to a shared user. 5676 */ 5677 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5678 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5679 String requiredInstructionSet = null; 5680 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5681 requiredInstructionSet = VMRuntime.getInstructionSet( 5682 scannedPackage.applicationInfo.cpuAbi); 5683 } 5684 5685 PackageSetting requirer = null; 5686 for (PackageSetting ps : packagesForUser) { 5687 // If packagesForUser contains scannedPackage, we skip it. This will happen 5688 // when scannedPackage is an update of an existing package. Without this check, 5689 // we will never be able to change the ABI of any package belonging to a shared 5690 // user, even if it's compatible with other packages. 5691 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 5692 if (ps.cpuAbiString == null) { 5693 continue; 5694 } 5695 5696 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 5697 if (requiredInstructionSet != null) { 5698 if (!instructionSet.equals(requiredInstructionSet)) { 5699 // We have a mismatch between instruction sets (say arm vs arm64). 5700 // bail out. 5701 String errorMessage = "Instruction set mismatch, " 5702 + ((requirer == null) ? "[caller]" : requirer) 5703 + " requires " + requiredInstructionSet + " whereas " + ps 5704 + " requires " + instructionSet; 5705 Slog.e(TAG, errorMessage); 5706 5707 reportSettingsProblem(Log.WARN, errorMessage); 5708 // Give up, don't bother making any other changes to the package settings. 5709 return false; 5710 } 5711 } else { 5712 requiredInstructionSet = instructionSet; 5713 requirer = ps; 5714 } 5715 } 5716 } 5717 5718 if (requiredInstructionSet != null) { 5719 String adjustedAbi; 5720 if (requirer != null) { 5721 // requirer != null implies that either scannedPackage was null or that scannedPackage 5722 // did not require an ABI, in which case we have to adjust scannedPackage to match 5723 // the ABI of the set (which is the same as requirer's ABI) 5724 adjustedAbi = requirer.cpuAbiString; 5725 if (scannedPackage != null) { 5726 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 5727 } 5728 } else { 5729 // requirer == null implies that we're updating all ABIs in the set to 5730 // match scannedPackage. 5731 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 5732 } 5733 5734 for (PackageSetting ps : packagesForUser) { 5735 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 5736 if (ps.cpuAbiString != null) { 5737 continue; 5738 } 5739 5740 ps.cpuAbiString = adjustedAbi; 5741 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 5742 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 5743 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 5744 5745 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 5746 ps.cpuAbiString = null; 5747 ps.pkg.applicationInfo.cpuAbi = null; 5748 return false; 5749 } else { 5750 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 5751 } 5752 } 5753 } 5754 } 5755 } 5756 5757 return true; 5758 } 5759 5760 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5761 synchronized (mPackages) { 5762 mResolverReplaced = true; 5763 // Set up information for custom user intent resolution activity. 5764 mResolveActivity.applicationInfo = pkg.applicationInfo; 5765 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5766 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5767 mResolveActivity.processName = null; 5768 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5769 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5770 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5771 mResolveActivity.theme = 0; 5772 mResolveActivity.exported = true; 5773 mResolveActivity.enabled = true; 5774 mResolveInfo.activityInfo = mResolveActivity; 5775 mResolveInfo.priority = 0; 5776 mResolveInfo.preferredOrder = 0; 5777 mResolveInfo.match = 0; 5778 mResolveComponentName = mCustomResolverComponentName; 5779 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5780 mResolveComponentName); 5781 } 5782 } 5783 5784 private String calculateApkRoot(final String codePathString) { 5785 final File codePath = new File(codePathString); 5786 final File codeRoot; 5787 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5788 codeRoot = Environment.getRootDirectory(); 5789 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5790 codeRoot = Environment.getOemDirectory(); 5791 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5792 codeRoot = Environment.getVendorDirectory(); 5793 } else { 5794 // Unrecognized code path; take its top real segment as the apk root: 5795 // e.g. /something/app/blah.apk => /something 5796 try { 5797 File f = codePath.getCanonicalFile(); 5798 File parent = f.getParentFile(); // non-null because codePath is a file 5799 File tmp; 5800 while ((tmp = parent.getParentFile()) != null) { 5801 f = parent; 5802 parent = tmp; 5803 } 5804 codeRoot = f; 5805 Slog.w(TAG, "Unrecognized code path " 5806 + codePath + " - using " + codeRoot); 5807 } catch (IOException e) { 5808 // Can't canonicalize the lib path -- shenanigans? 5809 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5810 return Environment.getRootDirectory().getPath(); 5811 } 5812 } 5813 return codeRoot.getPath(); 5814 } 5815 5816 // This is the initial scan-time determination of how to handle a given 5817 // package for purposes of native library location. 5818 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5819 PackageSetting pkgSetting) { 5820 // "bundled" here means system-installed with no overriding update 5821 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5822 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5823 final File libDir; 5824 if (bundledApk) { 5825 // If "/system/lib64/apkname" exists, assume that is the per-package 5826 // native library directory to use; otherwise use "/system/lib/apkname". 5827 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5828 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5829 File packLib64 = new File(lib64, apkName); 5830 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5831 } else { 5832 libDir = mAppLibInstallDir; 5833 } 5834 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5835 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5836 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5837 } 5838 5839 // Deduces the required ABI of an upgraded system app. 5840 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 5841 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5842 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5843 5844 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 5845 // or similar. 5846 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 5847 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 5848 5849 // Assume that the bundled native libraries always correspond to the 5850 // most preferred 32 or 64 bit ABI. 5851 if (lib64.exists()) { 5852 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 5853 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 5854 } else if (lib.exists()) { 5855 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5856 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 5857 } else { 5858 // This is the case where the app has no native code. 5859 pkg.applicationInfo.cpuAbi = null; 5860 pkgSetting.cpuAbiString = null; 5861 } 5862 } 5863 5864 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 5865 final File nativeLibraryDir, String[] abiList) throws IOException { 5866 if (!nativeLibraryDir.isDirectory()) { 5867 nativeLibraryDir.delete(); 5868 5869 if (!nativeLibraryDir.mkdir()) { 5870 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5871 } 5872 5873 try { 5874 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5875 } catch (ErrnoException e) { 5876 throw new IOException("Cannot chmod native library directory " 5877 + nativeLibraryDir.getPath(), e); 5878 } 5879 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5880 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5881 } 5882 5883 /* 5884 * If this is an internal application or our nativeLibraryPath points to 5885 * the app-lib directory, unpack the libraries if necessary. 5886 */ 5887 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5888 if (abi >= 0) { 5889 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5890 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5891 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5892 return copyRet; 5893 } 5894 } 5895 5896 return abi; 5897 } 5898 5899 private void killApplication(String pkgName, int appId, String reason) { 5900 // Request the ActivityManager to kill the process(only for existing packages) 5901 // so that we do not end up in a confused state while the user is still using the older 5902 // version of the application while the new one gets installed. 5903 IActivityManager am = ActivityManagerNative.getDefault(); 5904 if (am != null) { 5905 try { 5906 am.killApplicationWithAppId(pkgName, appId, reason); 5907 } catch (RemoteException e) { 5908 } 5909 } 5910 } 5911 5912 void removePackageLI(PackageSetting ps, boolean chatty) { 5913 if (DEBUG_INSTALL) { 5914 if (chatty) 5915 Log.d(TAG, "Removing package " + ps.name); 5916 } 5917 5918 // writer 5919 synchronized (mPackages) { 5920 mPackages.remove(ps.name); 5921 if (ps.codePathString != null) { 5922 mAppDirs.remove(ps.codePathString); 5923 } 5924 5925 final PackageParser.Package pkg = ps.pkg; 5926 if (pkg != null) { 5927 cleanPackageDataStructuresLILPw(pkg, chatty); 5928 } 5929 } 5930 } 5931 5932 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5933 if (DEBUG_INSTALL) { 5934 if (chatty) 5935 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5936 } 5937 5938 // writer 5939 synchronized (mPackages) { 5940 mPackages.remove(pkg.applicationInfo.packageName); 5941 if (pkg.mPath != null) { 5942 mAppDirs.remove(pkg.mPath); 5943 } 5944 cleanPackageDataStructuresLILPw(pkg, chatty); 5945 } 5946 } 5947 5948 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5949 int N = pkg.providers.size(); 5950 StringBuilder r = null; 5951 int i; 5952 for (i=0; i<N; i++) { 5953 PackageParser.Provider p = pkg.providers.get(i); 5954 mProviders.removeProvider(p); 5955 if (p.info.authority == null) { 5956 5957 /* There was another ContentProvider with this authority when 5958 * this app was installed so this authority is null, 5959 * Ignore it as we don't have to unregister the provider. 5960 */ 5961 continue; 5962 } 5963 String names[] = p.info.authority.split(";"); 5964 for (int j = 0; j < names.length; j++) { 5965 if (mProvidersByAuthority.get(names[j]) == p) { 5966 mProvidersByAuthority.remove(names[j]); 5967 if (DEBUG_REMOVE) { 5968 if (chatty) 5969 Log.d(TAG, "Unregistered content provider: " + names[j] 5970 + ", className = " + p.info.name + ", isSyncable = " 5971 + p.info.isSyncable); 5972 } 5973 } 5974 } 5975 if (DEBUG_REMOVE && chatty) { 5976 if (r == null) { 5977 r = new StringBuilder(256); 5978 } else { 5979 r.append(' '); 5980 } 5981 r.append(p.info.name); 5982 } 5983 } 5984 if (r != null) { 5985 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5986 } 5987 5988 N = pkg.services.size(); 5989 r = null; 5990 for (i=0; i<N; i++) { 5991 PackageParser.Service s = pkg.services.get(i); 5992 mServices.removeService(s); 5993 if (chatty) { 5994 if (r == null) { 5995 r = new StringBuilder(256); 5996 } else { 5997 r.append(' '); 5998 } 5999 r.append(s.info.name); 6000 } 6001 } 6002 if (r != null) { 6003 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6004 } 6005 6006 N = pkg.receivers.size(); 6007 r = null; 6008 for (i=0; i<N; i++) { 6009 PackageParser.Activity a = pkg.receivers.get(i); 6010 mReceivers.removeActivity(a, "receiver"); 6011 if (DEBUG_REMOVE && chatty) { 6012 if (r == null) { 6013 r = new StringBuilder(256); 6014 } else { 6015 r.append(' '); 6016 } 6017 r.append(a.info.name); 6018 } 6019 } 6020 if (r != null) { 6021 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6022 } 6023 6024 N = pkg.activities.size(); 6025 r = null; 6026 for (i=0; i<N; i++) { 6027 PackageParser.Activity a = pkg.activities.get(i); 6028 mActivities.removeActivity(a, "activity"); 6029 if (DEBUG_REMOVE && chatty) { 6030 if (r == null) { 6031 r = new StringBuilder(256); 6032 } else { 6033 r.append(' '); 6034 } 6035 r.append(a.info.name); 6036 } 6037 } 6038 if (r != null) { 6039 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6040 } 6041 6042 N = pkg.permissions.size(); 6043 r = null; 6044 for (i=0; i<N; i++) { 6045 PackageParser.Permission p = pkg.permissions.get(i); 6046 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6047 if (bp == null) { 6048 bp = mSettings.mPermissionTrees.get(p.info.name); 6049 } 6050 if (bp != null && bp.perm == p) { 6051 bp.perm = null; 6052 if (DEBUG_REMOVE && chatty) { 6053 if (r == null) { 6054 r = new StringBuilder(256); 6055 } else { 6056 r.append(' '); 6057 } 6058 r.append(p.info.name); 6059 } 6060 } 6061 } 6062 if (r != null) { 6063 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6064 } 6065 6066 N = pkg.instrumentation.size(); 6067 r = null; 6068 for (i=0; i<N; i++) { 6069 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6070 mInstrumentation.remove(a.getComponentName()); 6071 if (DEBUG_REMOVE && chatty) { 6072 if (r == null) { 6073 r = new StringBuilder(256); 6074 } else { 6075 r.append(' '); 6076 } 6077 r.append(a.info.name); 6078 } 6079 } 6080 if (r != null) { 6081 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6082 } 6083 6084 r = null; 6085 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6086 // Only system apps can hold shared libraries. 6087 if (pkg.libraryNames != null) { 6088 for (i=0; i<pkg.libraryNames.size(); i++) { 6089 String name = pkg.libraryNames.get(i); 6090 SharedLibraryEntry cur = mSharedLibraries.get(name); 6091 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6092 mSharedLibraries.remove(name); 6093 if (DEBUG_REMOVE && chatty) { 6094 if (r == null) { 6095 r = new StringBuilder(256); 6096 } else { 6097 r.append(' '); 6098 } 6099 r.append(name); 6100 } 6101 } 6102 } 6103 } 6104 } 6105 if (r != null) { 6106 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6107 } 6108 } 6109 6110 private static final boolean isPackageFilename(String name) { 6111 return name != null && name.endsWith(".apk"); 6112 } 6113 6114 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6115 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6116 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6117 return true; 6118 } 6119 } 6120 return false; 6121 } 6122 6123 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6124 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6125 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6126 6127 private void updatePermissionsLPw(String changingPkg, 6128 PackageParser.Package pkgInfo, int flags) { 6129 // Make sure there are no dangling permission trees. 6130 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6131 while (it.hasNext()) { 6132 final BasePermission bp = it.next(); 6133 if (bp.packageSetting == null) { 6134 // We may not yet have parsed the package, so just see if 6135 // we still know about its settings. 6136 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6137 } 6138 if (bp.packageSetting == null) { 6139 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6140 + " from package " + bp.sourcePackage); 6141 it.remove(); 6142 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6143 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6144 Slog.i(TAG, "Removing old permission tree: " + bp.name 6145 + " from package " + bp.sourcePackage); 6146 flags |= UPDATE_PERMISSIONS_ALL; 6147 it.remove(); 6148 } 6149 } 6150 } 6151 6152 // Make sure all dynamic permissions have been assigned to a package, 6153 // and make sure there are no dangling permissions. 6154 it = mSettings.mPermissions.values().iterator(); 6155 while (it.hasNext()) { 6156 final BasePermission bp = it.next(); 6157 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6158 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6159 + bp.name + " pkg=" + bp.sourcePackage 6160 + " info=" + bp.pendingInfo); 6161 if (bp.packageSetting == null && bp.pendingInfo != null) { 6162 final BasePermission tree = findPermissionTreeLP(bp.name); 6163 if (tree != null && tree.perm != null) { 6164 bp.packageSetting = tree.packageSetting; 6165 bp.perm = new PackageParser.Permission(tree.perm.owner, 6166 new PermissionInfo(bp.pendingInfo)); 6167 bp.perm.info.packageName = tree.perm.info.packageName; 6168 bp.perm.info.name = bp.name; 6169 bp.uid = tree.uid; 6170 } 6171 } 6172 } 6173 if (bp.packageSetting == null) { 6174 // We may not yet have parsed the package, so just see if 6175 // we still know about its settings. 6176 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6177 } 6178 if (bp.packageSetting == null) { 6179 Slog.w(TAG, "Removing dangling permission: " + bp.name 6180 + " from package " + bp.sourcePackage); 6181 it.remove(); 6182 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6183 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6184 Slog.i(TAG, "Removing old permission: " + bp.name 6185 + " from package " + bp.sourcePackage); 6186 flags |= UPDATE_PERMISSIONS_ALL; 6187 it.remove(); 6188 } 6189 } 6190 } 6191 6192 // Now update the permissions for all packages, in particular 6193 // replace the granted permissions of the system packages. 6194 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6195 for (PackageParser.Package pkg : mPackages.values()) { 6196 if (pkg != pkgInfo) { 6197 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6198 } 6199 } 6200 } 6201 6202 if (pkgInfo != null) { 6203 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6204 } 6205 } 6206 6207 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6208 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6209 if (ps == null) { 6210 return; 6211 } 6212 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6213 HashSet<String> origPermissions = gp.grantedPermissions; 6214 boolean changedPermission = false; 6215 6216 if (replace) { 6217 ps.permissionsFixed = false; 6218 if (gp == ps) { 6219 origPermissions = new HashSet<String>(gp.grantedPermissions); 6220 gp.grantedPermissions.clear(); 6221 gp.gids = mGlobalGids; 6222 } 6223 } 6224 6225 if (gp.gids == null) { 6226 gp.gids = mGlobalGids; 6227 } 6228 6229 final int N = pkg.requestedPermissions.size(); 6230 for (int i=0; i<N; i++) { 6231 final String name = pkg.requestedPermissions.get(i); 6232 final boolean required = pkg.requestedPermissionsRequired.get(i); 6233 final BasePermission bp = mSettings.mPermissions.get(name); 6234 if (DEBUG_INSTALL) { 6235 if (gp != ps) { 6236 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6237 } 6238 } 6239 6240 if (bp == null || bp.packageSetting == null) { 6241 Slog.w(TAG, "Unknown permission " + name 6242 + " in package " + pkg.packageName); 6243 continue; 6244 } 6245 6246 final String perm = bp.name; 6247 boolean allowed; 6248 boolean allowedSig = false; 6249 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6250 if (level == PermissionInfo.PROTECTION_NORMAL 6251 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6252 // We grant a normal or dangerous permission if any of the following 6253 // are true: 6254 // 1) The permission is required 6255 // 2) The permission is optional, but was granted in the past 6256 // 3) The permission is optional, but was requested by an 6257 // app in /system (not /data) 6258 // 6259 // Otherwise, reject the permission. 6260 allowed = (required || origPermissions.contains(perm) 6261 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6262 } else if (bp.packageSetting == null) { 6263 // This permission is invalid; skip it. 6264 allowed = false; 6265 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6266 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6267 if (allowed) { 6268 allowedSig = true; 6269 } 6270 } else { 6271 allowed = false; 6272 } 6273 if (DEBUG_INSTALL) { 6274 if (gp != ps) { 6275 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6276 } 6277 } 6278 if (allowed) { 6279 if (!isSystemApp(ps) && ps.permissionsFixed) { 6280 // If this is an existing, non-system package, then 6281 // we can't add any new permissions to it. 6282 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6283 // Except... if this is a permission that was added 6284 // to the platform (note: need to only do this when 6285 // updating the platform). 6286 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6287 } 6288 } 6289 if (allowed) { 6290 if (!gp.grantedPermissions.contains(perm)) { 6291 changedPermission = true; 6292 gp.grantedPermissions.add(perm); 6293 gp.gids = appendInts(gp.gids, bp.gids); 6294 } else if (!ps.haveGids) { 6295 gp.gids = appendInts(gp.gids, bp.gids); 6296 } 6297 } else { 6298 Slog.w(TAG, "Not granting permission " + perm 6299 + " to package " + pkg.packageName 6300 + " because it was previously installed without"); 6301 } 6302 } else { 6303 if (gp.grantedPermissions.remove(perm)) { 6304 changedPermission = true; 6305 gp.gids = removeInts(gp.gids, bp.gids); 6306 Slog.i(TAG, "Un-granting permission " + perm 6307 + " from package " + pkg.packageName 6308 + " (protectionLevel=" + bp.protectionLevel 6309 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6310 + ")"); 6311 } else { 6312 Slog.w(TAG, "Not granting permission " + perm 6313 + " to package " + pkg.packageName 6314 + " (protectionLevel=" + bp.protectionLevel 6315 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6316 + ")"); 6317 } 6318 } 6319 } 6320 6321 if ((changedPermission || replace) && !ps.permissionsFixed && 6322 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6323 // This is the first that we have heard about this package, so the 6324 // permissions we have now selected are fixed until explicitly 6325 // changed. 6326 ps.permissionsFixed = true; 6327 } 6328 ps.haveGids = true; 6329 } 6330 6331 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6332 boolean allowed = false; 6333 final int NP = PackageParser.NEW_PERMISSIONS.length; 6334 for (int ip=0; ip<NP; ip++) { 6335 final PackageParser.NewPermissionInfo npi 6336 = PackageParser.NEW_PERMISSIONS[ip]; 6337 if (npi.name.equals(perm) 6338 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6339 allowed = true; 6340 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6341 + pkg.packageName); 6342 break; 6343 } 6344 } 6345 return allowed; 6346 } 6347 6348 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6349 BasePermission bp, HashSet<String> origPermissions) { 6350 boolean allowed; 6351 allowed = (compareSignatures( 6352 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6353 == PackageManager.SIGNATURE_MATCH) 6354 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6355 == PackageManager.SIGNATURE_MATCH); 6356 if (!allowed && (bp.protectionLevel 6357 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6358 if (isSystemApp(pkg)) { 6359 // For updated system applications, a system permission 6360 // is granted only if it had been defined by the original application. 6361 if (isUpdatedSystemApp(pkg)) { 6362 final PackageSetting sysPs = mSettings 6363 .getDisabledSystemPkgLPr(pkg.packageName); 6364 final GrantedPermissions origGp = sysPs.sharedUser != null 6365 ? sysPs.sharedUser : sysPs; 6366 6367 if (origGp.grantedPermissions.contains(perm)) { 6368 // If the original was granted this permission, we take 6369 // that grant decision as read and propagate it to the 6370 // update. 6371 allowed = true; 6372 } else { 6373 // The system apk may have been updated with an older 6374 // version of the one on the data partition, but which 6375 // granted a new system permission that it didn't have 6376 // before. In this case we do want to allow the app to 6377 // now get the new permission if the ancestral apk is 6378 // privileged to get it. 6379 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6380 for (int j=0; 6381 j<sysPs.pkg.requestedPermissions.size(); j++) { 6382 if (perm.equals( 6383 sysPs.pkg.requestedPermissions.get(j))) { 6384 allowed = true; 6385 break; 6386 } 6387 } 6388 } 6389 } 6390 } else { 6391 allowed = isPrivilegedApp(pkg); 6392 } 6393 } 6394 } 6395 if (!allowed && (bp.protectionLevel 6396 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6397 // For development permissions, a development permission 6398 // is granted only if it was already granted. 6399 allowed = origPermissions.contains(perm); 6400 } 6401 return allowed; 6402 } 6403 6404 final class ActivityIntentResolver 6405 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6406 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6407 boolean defaultOnly, int userId) { 6408 if (!sUserManager.exists(userId)) return null; 6409 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6410 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6411 } 6412 6413 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6414 int userId) { 6415 if (!sUserManager.exists(userId)) return null; 6416 mFlags = flags; 6417 return super.queryIntent(intent, resolvedType, 6418 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6419 } 6420 6421 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6422 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6423 if (!sUserManager.exists(userId)) return null; 6424 if (packageActivities == null) { 6425 return null; 6426 } 6427 mFlags = flags; 6428 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6429 final int N = packageActivities.size(); 6430 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6431 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6432 6433 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6434 for (int i = 0; i < N; ++i) { 6435 intentFilters = packageActivities.get(i).intents; 6436 if (intentFilters != null && intentFilters.size() > 0) { 6437 PackageParser.ActivityIntentInfo[] array = 6438 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6439 intentFilters.toArray(array); 6440 listCut.add(array); 6441 } 6442 } 6443 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6444 } 6445 6446 public final void addActivity(PackageParser.Activity a, String type) { 6447 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6448 mActivities.put(a.getComponentName(), a); 6449 if (DEBUG_SHOW_INFO) 6450 Log.v( 6451 TAG, " " + type + " " + 6452 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6453 if (DEBUG_SHOW_INFO) 6454 Log.v(TAG, " Class=" + a.info.name); 6455 final int NI = a.intents.size(); 6456 for (int j=0; j<NI; j++) { 6457 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6458 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6459 intent.setPriority(0); 6460 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6461 + a.className + " with priority > 0, forcing to 0"); 6462 } 6463 if (DEBUG_SHOW_INFO) { 6464 Log.v(TAG, " IntentFilter:"); 6465 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6466 } 6467 if (!intent.debugCheck()) { 6468 Log.w(TAG, "==> For Activity " + a.info.name); 6469 } 6470 addFilter(intent); 6471 } 6472 } 6473 6474 public final void removeActivity(PackageParser.Activity a, String type) { 6475 mActivities.remove(a.getComponentName()); 6476 if (DEBUG_SHOW_INFO) { 6477 Log.v(TAG, " " + type + " " 6478 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6479 : a.info.name) + ":"); 6480 Log.v(TAG, " Class=" + a.info.name); 6481 } 6482 final int NI = a.intents.size(); 6483 for (int j=0; j<NI; j++) { 6484 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6485 if (DEBUG_SHOW_INFO) { 6486 Log.v(TAG, " IntentFilter:"); 6487 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6488 } 6489 removeFilter(intent); 6490 } 6491 } 6492 6493 @Override 6494 protected boolean allowFilterResult( 6495 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6496 ActivityInfo filterAi = filter.activity.info; 6497 for (int i=dest.size()-1; i>=0; i--) { 6498 ActivityInfo destAi = dest.get(i).activityInfo; 6499 if (destAi.name == filterAi.name 6500 && destAi.packageName == filterAi.packageName) { 6501 return false; 6502 } 6503 } 6504 return true; 6505 } 6506 6507 @Override 6508 protected ActivityIntentInfo[] newArray(int size) { 6509 return new ActivityIntentInfo[size]; 6510 } 6511 6512 @Override 6513 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6514 if (!sUserManager.exists(userId)) return true; 6515 PackageParser.Package p = filter.activity.owner; 6516 if (p != null) { 6517 PackageSetting ps = (PackageSetting)p.mExtras; 6518 if (ps != null) { 6519 // System apps are never considered stopped for purposes of 6520 // filtering, because there may be no way for the user to 6521 // actually re-launch them. 6522 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6523 && ps.getStopped(userId); 6524 } 6525 } 6526 return false; 6527 } 6528 6529 @Override 6530 protected boolean isPackageForFilter(String packageName, 6531 PackageParser.ActivityIntentInfo info) { 6532 return packageName.equals(info.activity.owner.packageName); 6533 } 6534 6535 @Override 6536 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6537 int match, int userId) { 6538 if (!sUserManager.exists(userId)) return null; 6539 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6540 return null; 6541 } 6542 final PackageParser.Activity activity = info.activity; 6543 if (mSafeMode && (activity.info.applicationInfo.flags 6544 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6545 return null; 6546 } 6547 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6548 if (ps == null) { 6549 return null; 6550 } 6551 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6552 ps.readUserState(userId), userId); 6553 if (ai == null) { 6554 return null; 6555 } 6556 final ResolveInfo res = new ResolveInfo(); 6557 res.activityInfo = ai; 6558 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6559 res.filter = info; 6560 } 6561 res.priority = info.getPriority(); 6562 res.preferredOrder = activity.owner.mPreferredOrder; 6563 //System.out.println("Result: " + res.activityInfo.className + 6564 // " = " + res.priority); 6565 res.match = match; 6566 res.isDefault = info.hasDefault; 6567 res.labelRes = info.labelRes; 6568 res.nonLocalizedLabel = info.nonLocalizedLabel; 6569 res.icon = info.icon; 6570 res.system = isSystemApp(res.activityInfo.applicationInfo); 6571 return res; 6572 } 6573 6574 @Override 6575 protected void sortResults(List<ResolveInfo> results) { 6576 Collections.sort(results, mResolvePrioritySorter); 6577 } 6578 6579 @Override 6580 protected void dumpFilter(PrintWriter out, String prefix, 6581 PackageParser.ActivityIntentInfo filter) { 6582 out.print(prefix); out.print( 6583 Integer.toHexString(System.identityHashCode(filter.activity))); 6584 out.print(' '); 6585 filter.activity.printComponentShortName(out); 6586 out.print(" filter "); 6587 out.println(Integer.toHexString(System.identityHashCode(filter))); 6588 } 6589 6590// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6591// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6592// final List<ResolveInfo> retList = Lists.newArrayList(); 6593// while (i.hasNext()) { 6594// final ResolveInfo resolveInfo = i.next(); 6595// if (isEnabledLP(resolveInfo.activityInfo)) { 6596// retList.add(resolveInfo); 6597// } 6598// } 6599// return retList; 6600// } 6601 6602 // Keys are String (activity class name), values are Activity. 6603 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6604 = new HashMap<ComponentName, PackageParser.Activity>(); 6605 private int mFlags; 6606 } 6607 6608 private final class ServiceIntentResolver 6609 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6610 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6611 boolean defaultOnly, int userId) { 6612 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6613 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6614 } 6615 6616 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6617 int userId) { 6618 if (!sUserManager.exists(userId)) return null; 6619 mFlags = flags; 6620 return super.queryIntent(intent, resolvedType, 6621 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6622 } 6623 6624 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6625 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6626 if (!sUserManager.exists(userId)) return null; 6627 if (packageServices == null) { 6628 return null; 6629 } 6630 mFlags = flags; 6631 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6632 final int N = packageServices.size(); 6633 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6634 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6635 6636 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6637 for (int i = 0; i < N; ++i) { 6638 intentFilters = packageServices.get(i).intents; 6639 if (intentFilters != null && intentFilters.size() > 0) { 6640 PackageParser.ServiceIntentInfo[] array = 6641 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6642 intentFilters.toArray(array); 6643 listCut.add(array); 6644 } 6645 } 6646 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6647 } 6648 6649 public final void addService(PackageParser.Service s) { 6650 mServices.put(s.getComponentName(), s); 6651 if (DEBUG_SHOW_INFO) { 6652 Log.v(TAG, " " 6653 + (s.info.nonLocalizedLabel != null 6654 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6655 Log.v(TAG, " Class=" + s.info.name); 6656 } 6657 final int NI = s.intents.size(); 6658 int j; 6659 for (j=0; j<NI; j++) { 6660 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6661 if (DEBUG_SHOW_INFO) { 6662 Log.v(TAG, " IntentFilter:"); 6663 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6664 } 6665 if (!intent.debugCheck()) { 6666 Log.w(TAG, "==> For Service " + s.info.name); 6667 } 6668 addFilter(intent); 6669 } 6670 } 6671 6672 public final void removeService(PackageParser.Service s) { 6673 mServices.remove(s.getComponentName()); 6674 if (DEBUG_SHOW_INFO) { 6675 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6676 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6677 Log.v(TAG, " Class=" + s.info.name); 6678 } 6679 final int NI = s.intents.size(); 6680 int j; 6681 for (j=0; j<NI; j++) { 6682 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6683 if (DEBUG_SHOW_INFO) { 6684 Log.v(TAG, " IntentFilter:"); 6685 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6686 } 6687 removeFilter(intent); 6688 } 6689 } 6690 6691 @Override 6692 protected boolean allowFilterResult( 6693 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6694 ServiceInfo filterSi = filter.service.info; 6695 for (int i=dest.size()-1; i>=0; i--) { 6696 ServiceInfo destAi = dest.get(i).serviceInfo; 6697 if (destAi.name == filterSi.name 6698 && destAi.packageName == filterSi.packageName) { 6699 return false; 6700 } 6701 } 6702 return true; 6703 } 6704 6705 @Override 6706 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6707 return new PackageParser.ServiceIntentInfo[size]; 6708 } 6709 6710 @Override 6711 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6712 if (!sUserManager.exists(userId)) return true; 6713 PackageParser.Package p = filter.service.owner; 6714 if (p != null) { 6715 PackageSetting ps = (PackageSetting)p.mExtras; 6716 if (ps != null) { 6717 // System apps are never considered stopped for purposes of 6718 // filtering, because there may be no way for the user to 6719 // actually re-launch them. 6720 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6721 && ps.getStopped(userId); 6722 } 6723 } 6724 return false; 6725 } 6726 6727 @Override 6728 protected boolean isPackageForFilter(String packageName, 6729 PackageParser.ServiceIntentInfo info) { 6730 return packageName.equals(info.service.owner.packageName); 6731 } 6732 6733 @Override 6734 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6735 int match, int userId) { 6736 if (!sUserManager.exists(userId)) return null; 6737 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6738 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6739 return null; 6740 } 6741 final PackageParser.Service service = info.service; 6742 if (mSafeMode && (service.info.applicationInfo.flags 6743 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6744 return null; 6745 } 6746 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6747 if (ps == null) { 6748 return null; 6749 } 6750 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6751 ps.readUserState(userId), userId); 6752 if (si == null) { 6753 return null; 6754 } 6755 final ResolveInfo res = new ResolveInfo(); 6756 res.serviceInfo = si; 6757 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6758 res.filter = filter; 6759 } 6760 res.priority = info.getPriority(); 6761 res.preferredOrder = service.owner.mPreferredOrder; 6762 //System.out.println("Result: " + res.activityInfo.className + 6763 // " = " + res.priority); 6764 res.match = match; 6765 res.isDefault = info.hasDefault; 6766 res.labelRes = info.labelRes; 6767 res.nonLocalizedLabel = info.nonLocalizedLabel; 6768 res.icon = info.icon; 6769 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6770 return res; 6771 } 6772 6773 @Override 6774 protected void sortResults(List<ResolveInfo> results) { 6775 Collections.sort(results, mResolvePrioritySorter); 6776 } 6777 6778 @Override 6779 protected void dumpFilter(PrintWriter out, String prefix, 6780 PackageParser.ServiceIntentInfo filter) { 6781 out.print(prefix); out.print( 6782 Integer.toHexString(System.identityHashCode(filter.service))); 6783 out.print(' '); 6784 filter.service.printComponentShortName(out); 6785 out.print(" filter "); 6786 out.println(Integer.toHexString(System.identityHashCode(filter))); 6787 } 6788 6789// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6790// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6791// final List<ResolveInfo> retList = Lists.newArrayList(); 6792// while (i.hasNext()) { 6793// final ResolveInfo resolveInfo = (ResolveInfo) i; 6794// if (isEnabledLP(resolveInfo.serviceInfo)) { 6795// retList.add(resolveInfo); 6796// } 6797// } 6798// return retList; 6799// } 6800 6801 // Keys are String (activity class name), values are Activity. 6802 private final HashMap<ComponentName, PackageParser.Service> mServices 6803 = new HashMap<ComponentName, PackageParser.Service>(); 6804 private int mFlags; 6805 }; 6806 6807 private final class ProviderIntentResolver 6808 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6809 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6810 boolean defaultOnly, int userId) { 6811 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6812 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6813 } 6814 6815 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6816 int userId) { 6817 if (!sUserManager.exists(userId)) 6818 return null; 6819 mFlags = flags; 6820 return super.queryIntent(intent, resolvedType, 6821 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6822 } 6823 6824 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6825 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6826 if (!sUserManager.exists(userId)) 6827 return null; 6828 if (packageProviders == null) { 6829 return null; 6830 } 6831 mFlags = flags; 6832 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6833 final int N = packageProviders.size(); 6834 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6835 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6836 6837 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6838 for (int i = 0; i < N; ++i) { 6839 intentFilters = packageProviders.get(i).intents; 6840 if (intentFilters != null && intentFilters.size() > 0) { 6841 PackageParser.ProviderIntentInfo[] array = 6842 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6843 intentFilters.toArray(array); 6844 listCut.add(array); 6845 } 6846 } 6847 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6848 } 6849 6850 public final void addProvider(PackageParser.Provider p) { 6851 mProviders.put(p.getComponentName(), p); 6852 if (DEBUG_SHOW_INFO) { 6853 Log.v(TAG, " " 6854 + (p.info.nonLocalizedLabel != null 6855 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6856 Log.v(TAG, " Class=" + p.info.name); 6857 } 6858 final int NI = p.intents.size(); 6859 int j; 6860 for (j = 0; j < NI; j++) { 6861 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6862 if (DEBUG_SHOW_INFO) { 6863 Log.v(TAG, " IntentFilter:"); 6864 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6865 } 6866 if (!intent.debugCheck()) { 6867 Log.w(TAG, "==> For Provider " + p.info.name); 6868 } 6869 addFilter(intent); 6870 } 6871 } 6872 6873 public final void removeProvider(PackageParser.Provider p) { 6874 mProviders.remove(p.getComponentName()); 6875 if (DEBUG_SHOW_INFO) { 6876 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6877 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6878 Log.v(TAG, " Class=" + p.info.name); 6879 } 6880 final int NI = p.intents.size(); 6881 int j; 6882 for (j = 0; j < NI; j++) { 6883 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6884 if (DEBUG_SHOW_INFO) { 6885 Log.v(TAG, " IntentFilter:"); 6886 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6887 } 6888 removeFilter(intent); 6889 } 6890 } 6891 6892 @Override 6893 protected boolean allowFilterResult( 6894 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6895 ProviderInfo filterPi = filter.provider.info; 6896 for (int i = dest.size() - 1; i >= 0; i--) { 6897 ProviderInfo destPi = dest.get(i).providerInfo; 6898 if (destPi.name == filterPi.name 6899 && destPi.packageName == filterPi.packageName) { 6900 return false; 6901 } 6902 } 6903 return true; 6904 } 6905 6906 @Override 6907 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6908 return new PackageParser.ProviderIntentInfo[size]; 6909 } 6910 6911 @Override 6912 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6913 if (!sUserManager.exists(userId)) 6914 return true; 6915 PackageParser.Package p = filter.provider.owner; 6916 if (p != null) { 6917 PackageSetting ps = (PackageSetting) p.mExtras; 6918 if (ps != null) { 6919 // System apps are never considered stopped for purposes of 6920 // filtering, because there may be no way for the user to 6921 // actually re-launch them. 6922 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6923 && ps.getStopped(userId); 6924 } 6925 } 6926 return false; 6927 } 6928 6929 @Override 6930 protected boolean isPackageForFilter(String packageName, 6931 PackageParser.ProviderIntentInfo info) { 6932 return packageName.equals(info.provider.owner.packageName); 6933 } 6934 6935 @Override 6936 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6937 int match, int userId) { 6938 if (!sUserManager.exists(userId)) 6939 return null; 6940 final PackageParser.ProviderIntentInfo info = filter; 6941 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6942 return null; 6943 } 6944 final PackageParser.Provider provider = info.provider; 6945 if (mSafeMode && (provider.info.applicationInfo.flags 6946 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6947 return null; 6948 } 6949 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6950 if (ps == null) { 6951 return null; 6952 } 6953 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6954 ps.readUserState(userId), userId); 6955 if (pi == null) { 6956 return null; 6957 } 6958 final ResolveInfo res = new ResolveInfo(); 6959 res.providerInfo = pi; 6960 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6961 res.filter = filter; 6962 } 6963 res.priority = info.getPriority(); 6964 res.preferredOrder = provider.owner.mPreferredOrder; 6965 res.match = match; 6966 res.isDefault = info.hasDefault; 6967 res.labelRes = info.labelRes; 6968 res.nonLocalizedLabel = info.nonLocalizedLabel; 6969 res.icon = info.icon; 6970 res.system = isSystemApp(res.providerInfo.applicationInfo); 6971 return res; 6972 } 6973 6974 @Override 6975 protected void sortResults(List<ResolveInfo> results) { 6976 Collections.sort(results, mResolvePrioritySorter); 6977 } 6978 6979 @Override 6980 protected void dumpFilter(PrintWriter out, String prefix, 6981 PackageParser.ProviderIntentInfo filter) { 6982 out.print(prefix); 6983 out.print( 6984 Integer.toHexString(System.identityHashCode(filter.provider))); 6985 out.print(' '); 6986 filter.provider.printComponentShortName(out); 6987 out.print(" filter "); 6988 out.println(Integer.toHexString(System.identityHashCode(filter))); 6989 } 6990 6991 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6992 = new HashMap<ComponentName, PackageParser.Provider>(); 6993 private int mFlags; 6994 }; 6995 6996 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6997 new Comparator<ResolveInfo>() { 6998 public int compare(ResolveInfo r1, ResolveInfo r2) { 6999 int v1 = r1.priority; 7000 int v2 = r2.priority; 7001 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7002 if (v1 != v2) { 7003 return (v1 > v2) ? -1 : 1; 7004 } 7005 v1 = r1.preferredOrder; 7006 v2 = r2.preferredOrder; 7007 if (v1 != v2) { 7008 return (v1 > v2) ? -1 : 1; 7009 } 7010 if (r1.isDefault != r2.isDefault) { 7011 return r1.isDefault ? -1 : 1; 7012 } 7013 v1 = r1.match; 7014 v2 = r2.match; 7015 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7016 if (v1 != v2) { 7017 return (v1 > v2) ? -1 : 1; 7018 } 7019 if (r1.system != r2.system) { 7020 return r1.system ? -1 : 1; 7021 } 7022 return 0; 7023 } 7024 }; 7025 7026 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7027 new Comparator<ProviderInfo>() { 7028 public int compare(ProviderInfo p1, ProviderInfo p2) { 7029 final int v1 = p1.initOrder; 7030 final int v2 = p2.initOrder; 7031 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7032 } 7033 }; 7034 7035 static final void sendPackageBroadcast(String action, String pkg, 7036 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7037 int[] userIds) { 7038 IActivityManager am = ActivityManagerNative.getDefault(); 7039 if (am != null) { 7040 try { 7041 if (userIds == null) { 7042 userIds = am.getRunningUserIds(); 7043 } 7044 for (int id : userIds) { 7045 final Intent intent = new Intent(action, 7046 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7047 if (extras != null) { 7048 intent.putExtras(extras); 7049 } 7050 if (targetPkg != null) { 7051 intent.setPackage(targetPkg); 7052 } 7053 // Modify the UID when posting to other users 7054 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7055 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7056 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7057 intent.putExtra(Intent.EXTRA_UID, uid); 7058 } 7059 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7060 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7061 if (DEBUG_BROADCASTS) { 7062 RuntimeException here = new RuntimeException("here"); 7063 here.fillInStackTrace(); 7064 Slog.d(TAG, "Sending to user " + id + ": " 7065 + intent.toShortString(false, true, false, false) 7066 + " " + intent.getExtras(), here); 7067 } 7068 am.broadcastIntent(null, intent, null, finishedReceiver, 7069 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7070 finishedReceiver != null, false, id); 7071 } 7072 } catch (RemoteException ex) { 7073 } 7074 } 7075 } 7076 7077 /** 7078 * Check if the external storage media is available. This is true if there 7079 * is a mounted external storage medium or if the external storage is 7080 * emulated. 7081 */ 7082 private boolean isExternalMediaAvailable() { 7083 return mMediaMounted || Environment.isExternalStorageEmulated(); 7084 } 7085 7086 @Override 7087 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7088 // writer 7089 synchronized (mPackages) { 7090 if (!isExternalMediaAvailable()) { 7091 // If the external storage is no longer mounted at this point, 7092 // the caller may not have been able to delete all of this 7093 // packages files and can not delete any more. Bail. 7094 return null; 7095 } 7096 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7097 if (lastPackage != null) { 7098 pkgs.remove(lastPackage); 7099 } 7100 if (pkgs.size() > 0) { 7101 return pkgs.get(0); 7102 } 7103 } 7104 return null; 7105 } 7106 7107 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7108 if (false) { 7109 RuntimeException here = new RuntimeException("here"); 7110 here.fillInStackTrace(); 7111 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7112 + " andCode=" + andCode, here); 7113 } 7114 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7115 userId, andCode ? 1 : 0, packageName)); 7116 } 7117 7118 void startCleaningPackages() { 7119 // reader 7120 synchronized (mPackages) { 7121 if (!isExternalMediaAvailable()) { 7122 return; 7123 } 7124 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7125 return; 7126 } 7127 } 7128 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7129 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7130 IActivityManager am = ActivityManagerNative.getDefault(); 7131 if (am != null) { 7132 try { 7133 am.startService(null, intent, null, UserHandle.USER_OWNER); 7134 } catch (RemoteException e) { 7135 } 7136 } 7137 } 7138 7139 private final class AppDirObserver extends FileObserver { 7140 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7141 super(path, mask); 7142 mRootDir = path; 7143 mIsRom = isrom; 7144 mIsPrivileged = isPrivileged; 7145 } 7146 7147 public void onEvent(int event, String path) { 7148 String removedPackage = null; 7149 int removedAppId = -1; 7150 int[] removedUsers = null; 7151 String addedPackage = null; 7152 int addedAppId = -1; 7153 int[] addedUsers = null; 7154 7155 // TODO post a message to the handler to obtain serial ordering 7156 synchronized (mInstallLock) { 7157 String fullPathStr = null; 7158 File fullPath = null; 7159 if (path != null) { 7160 fullPath = new File(mRootDir, path); 7161 fullPathStr = fullPath.getPath(); 7162 } 7163 7164 if (DEBUG_APP_DIR_OBSERVER) 7165 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7166 7167 if (!isPackageFilename(path)) { 7168 if (DEBUG_APP_DIR_OBSERVER) 7169 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7170 return; 7171 } 7172 7173 // Ignore packages that are being installed or 7174 // have just been installed. 7175 if (ignoreCodePath(fullPathStr)) { 7176 return; 7177 } 7178 PackageParser.Package p = null; 7179 PackageSetting ps = null; 7180 // reader 7181 synchronized (mPackages) { 7182 p = mAppDirs.get(fullPathStr); 7183 if (p != null) { 7184 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7185 if (ps != null) { 7186 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7187 } else { 7188 removedUsers = sUserManager.getUserIds(); 7189 } 7190 } 7191 addedUsers = sUserManager.getUserIds(); 7192 } 7193 if ((event&REMOVE_EVENTS) != 0) { 7194 if (ps != null) { 7195 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7196 removePackageLI(ps, true); 7197 removedPackage = ps.name; 7198 removedAppId = ps.appId; 7199 } 7200 } 7201 7202 if ((event&ADD_EVENTS) != 0) { 7203 if (p == null) { 7204 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7205 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7206 if (mIsRom) { 7207 flags |= PackageParser.PARSE_IS_SYSTEM 7208 | PackageParser.PARSE_IS_SYSTEM_DIR; 7209 if (mIsPrivileged) { 7210 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7211 } 7212 } 7213 p = scanPackageLI(fullPath, flags, 7214 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7215 System.currentTimeMillis(), UserHandle.ALL, null); 7216 if (p != null) { 7217 /* 7218 * TODO this seems dangerous as the package may have 7219 * changed since we last acquired the mPackages 7220 * lock. 7221 */ 7222 // writer 7223 synchronized (mPackages) { 7224 updatePermissionsLPw(p.packageName, p, 7225 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7226 } 7227 addedPackage = p.applicationInfo.packageName; 7228 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7229 } 7230 } 7231 } 7232 7233 // reader 7234 synchronized (mPackages) { 7235 mSettings.writeLPr(); 7236 } 7237 } 7238 7239 if (removedPackage != null) { 7240 Bundle extras = new Bundle(1); 7241 extras.putInt(Intent.EXTRA_UID, removedAppId); 7242 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7243 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7244 extras, null, null, removedUsers); 7245 } 7246 if (addedPackage != null) { 7247 Bundle extras = new Bundle(1); 7248 extras.putInt(Intent.EXTRA_UID, addedAppId); 7249 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7250 extras, null, null, addedUsers); 7251 } 7252 } 7253 7254 private final String mRootDir; 7255 private final boolean mIsRom; 7256 private final boolean mIsPrivileged; 7257 } 7258 7259 /* Called when a downloaded package installation has been confirmed by the user */ 7260 public void installPackage( 7261 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7262 installPackage(packageURI, observer, flags, null); 7263 } 7264 7265 /* Called when a downloaded package installation has been confirmed by the user */ 7266 @Override 7267 public void installPackage( 7268 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7269 final String installerPackageName) { 7270 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 7271 null, null); 7272 } 7273 7274 @Override 7275 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7276 int flags, String installerPackageName, Uri verificationURI, 7277 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7278 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7279 VerificationParams.NO_UID, manifestDigest); 7280 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 7281 installerPackageName, verificationParams, encryptionParams); 7282 } 7283 7284 @Override 7285 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7286 IPackageInstallObserver observer, int flags, String installerPackageName, 7287 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7288 installPackageWithVerificationEncryptionAndAbiOverride(packageURI, observer, flags, 7289 installerPackageName, verificationParams, encryptionParams, null); 7290 } 7291 7292 @Override 7293 public void installPackageWithVerificationEncryptionAndAbiOverride(Uri packageURI, 7294 IPackageInstallObserver observer, int flags, String installerPackageName, 7295 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7296 String packageAbiOverride) { 7297 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7298 null); 7299 7300 final int uid = Binder.getCallingUid(); 7301 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7302 try { 7303 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7304 } catch (RemoteException re) { 7305 } 7306 return; 7307 } 7308 7309 UserHandle user; 7310 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7311 user = UserHandle.ALL; 7312 } else { 7313 user = new UserHandle(UserHandle.getUserId(uid)); 7314 } 7315 7316 final int filteredFlags; 7317 7318 if (uid == Process.SHELL_UID || uid == 0) { 7319 if (DEBUG_INSTALL) { 7320 Slog.v(TAG, "Install from ADB"); 7321 } 7322 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7323 } else { 7324 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7325 } 7326 7327 verificationParams.setInstallerUid(uid); 7328 7329 final Message msg = mHandler.obtainMessage(INIT_COPY); 7330 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 7331 verificationParams, encryptionParams, user, 7332 packageAbiOverride); 7333 mHandler.sendMessage(msg); 7334 } 7335 7336 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7337 Bundle extras = new Bundle(1); 7338 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7339 7340 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7341 packageName, extras, null, null, new int[] {userId}); 7342 try { 7343 IActivityManager am = ActivityManagerNative.getDefault(); 7344 final boolean isSystem = 7345 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7346 if (isSystem && am.isUserRunning(userId, false)) { 7347 // The just-installed/enabled app is bundled on the system, so presumed 7348 // to be able to run automatically without needing an explicit launch. 7349 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7350 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7351 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7352 .setPackage(packageName); 7353 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7354 android.app.AppOpsManager.OP_NONE, false, false, userId); 7355 } 7356 } catch (RemoteException e) { 7357 // shouldn't happen 7358 Slog.w(TAG, "Unable to bootstrap installed package", e); 7359 } 7360 } 7361 7362 @Override 7363 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7364 int userId) { 7365 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7366 PackageSetting pkgSetting; 7367 final int uid = Binder.getCallingUid(); 7368 if (UserHandle.getUserId(uid) != userId) { 7369 mContext.enforceCallingOrSelfPermission( 7370 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7371 "setApplicationBlockedSetting for user " + userId); 7372 } 7373 7374 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7375 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7376 return false; 7377 } 7378 7379 long callingId = Binder.clearCallingIdentity(); 7380 try { 7381 boolean sendAdded = false; 7382 boolean sendRemoved = false; 7383 // writer 7384 synchronized (mPackages) { 7385 pkgSetting = mSettings.mPackages.get(packageName); 7386 if (pkgSetting == null) { 7387 return false; 7388 } 7389 if (pkgSetting.getBlocked(userId) != blocked) { 7390 pkgSetting.setBlocked(blocked, userId); 7391 mSettings.writePackageRestrictionsLPr(userId); 7392 if (blocked) { 7393 sendRemoved = true; 7394 } else { 7395 sendAdded = true; 7396 } 7397 } 7398 } 7399 if (sendAdded) { 7400 sendPackageAddedForUser(packageName, pkgSetting, userId); 7401 return true; 7402 } 7403 if (sendRemoved) { 7404 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7405 "blocking pkg"); 7406 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7407 } 7408 } finally { 7409 Binder.restoreCallingIdentity(callingId); 7410 } 7411 return false; 7412 } 7413 7414 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7415 int userId) { 7416 final PackageRemovedInfo info = new PackageRemovedInfo(); 7417 info.removedPackage = packageName; 7418 info.removedUsers = new int[] {userId}; 7419 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7420 info.sendBroadcast(false, false, false); 7421 } 7422 7423 /** 7424 * Returns true if application is not found or there was an error. Otherwise it returns 7425 * the blocked state of the package for the given user. 7426 */ 7427 @Override 7428 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7429 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7430 PackageSetting pkgSetting; 7431 final int uid = Binder.getCallingUid(); 7432 if (UserHandle.getUserId(uid) != userId) { 7433 mContext.enforceCallingPermission( 7434 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7435 "getApplicationBlocked for user " + userId); 7436 } 7437 long callingId = Binder.clearCallingIdentity(); 7438 try { 7439 // writer 7440 synchronized (mPackages) { 7441 pkgSetting = mSettings.mPackages.get(packageName); 7442 if (pkgSetting == null) { 7443 return true; 7444 } 7445 return pkgSetting.getBlocked(userId); 7446 } 7447 } finally { 7448 Binder.restoreCallingIdentity(callingId); 7449 } 7450 } 7451 7452 /** 7453 * @hide 7454 */ 7455 @Override 7456 public int installExistingPackageAsUser(String packageName, int userId) { 7457 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7458 null); 7459 PackageSetting pkgSetting; 7460 final int uid = Binder.getCallingUid(); 7461 if (UserHandle.getUserId(uid) != userId) { 7462 mContext.enforceCallingPermission( 7463 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7464 "installExistingPackage for user " + userId); 7465 } 7466 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7467 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7468 } 7469 7470 long callingId = Binder.clearCallingIdentity(); 7471 try { 7472 boolean sendAdded = false; 7473 Bundle extras = new Bundle(1); 7474 7475 // writer 7476 synchronized (mPackages) { 7477 pkgSetting = mSettings.mPackages.get(packageName); 7478 if (pkgSetting == null) { 7479 return PackageManager.INSTALL_FAILED_INVALID_URI; 7480 } 7481 if (!pkgSetting.getInstalled(userId)) { 7482 pkgSetting.setInstalled(true, userId); 7483 pkgSetting.setBlocked(false, userId); 7484 mSettings.writePackageRestrictionsLPr(userId); 7485 sendAdded = true; 7486 } 7487 } 7488 7489 if (sendAdded) { 7490 sendPackageAddedForUser(packageName, pkgSetting, userId); 7491 } 7492 } finally { 7493 Binder.restoreCallingIdentity(callingId); 7494 } 7495 7496 return PackageManager.INSTALL_SUCCEEDED; 7497 } 7498 7499 private boolean isUserRestricted(int userId, String restrictionKey) { 7500 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7501 if (restrictions.getBoolean(restrictionKey, false)) { 7502 Log.w(TAG, "User is restricted: " + restrictionKey); 7503 return true; 7504 } 7505 return false; 7506 } 7507 7508 @Override 7509 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7510 mContext.enforceCallingOrSelfPermission( 7511 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7512 "Only package verification agents can verify applications"); 7513 7514 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7515 final PackageVerificationResponse response = new PackageVerificationResponse( 7516 verificationCode, Binder.getCallingUid()); 7517 msg.arg1 = id; 7518 msg.obj = response; 7519 mHandler.sendMessage(msg); 7520 } 7521 7522 @Override 7523 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7524 long millisecondsToDelay) { 7525 mContext.enforceCallingOrSelfPermission( 7526 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7527 "Only package verification agents can extend verification timeouts"); 7528 7529 final PackageVerificationState state = mPendingVerification.get(id); 7530 final PackageVerificationResponse response = new PackageVerificationResponse( 7531 verificationCodeAtTimeout, Binder.getCallingUid()); 7532 7533 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7534 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7535 } 7536 if (millisecondsToDelay < 0) { 7537 millisecondsToDelay = 0; 7538 } 7539 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7540 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7541 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7542 } 7543 7544 if ((state != null) && !state.timeoutExtended()) { 7545 state.extendTimeout(); 7546 7547 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7548 msg.arg1 = id; 7549 msg.obj = response; 7550 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7551 } 7552 } 7553 7554 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7555 int verificationCode, UserHandle user) { 7556 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7557 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7558 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7559 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7560 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7561 7562 mContext.sendBroadcastAsUser(intent, user, 7563 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7564 } 7565 7566 private ComponentName matchComponentForVerifier(String packageName, 7567 List<ResolveInfo> receivers) { 7568 ActivityInfo targetReceiver = null; 7569 7570 final int NR = receivers.size(); 7571 for (int i = 0; i < NR; i++) { 7572 final ResolveInfo info = receivers.get(i); 7573 if (info.activityInfo == null) { 7574 continue; 7575 } 7576 7577 if (packageName.equals(info.activityInfo.packageName)) { 7578 targetReceiver = info.activityInfo; 7579 break; 7580 } 7581 } 7582 7583 if (targetReceiver == null) { 7584 return null; 7585 } 7586 7587 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7588 } 7589 7590 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7591 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7592 if (pkgInfo.verifiers.length == 0) { 7593 return null; 7594 } 7595 7596 final int N = pkgInfo.verifiers.length; 7597 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7598 for (int i = 0; i < N; i++) { 7599 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7600 7601 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7602 receivers); 7603 if (comp == null) { 7604 continue; 7605 } 7606 7607 final int verifierUid = getUidForVerifier(verifierInfo); 7608 if (verifierUid == -1) { 7609 continue; 7610 } 7611 7612 if (DEBUG_VERIFY) { 7613 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7614 + " with the correct signature"); 7615 } 7616 sufficientVerifiers.add(comp); 7617 verificationState.addSufficientVerifier(verifierUid); 7618 } 7619 7620 return sufficientVerifiers; 7621 } 7622 7623 private int getUidForVerifier(VerifierInfo verifierInfo) { 7624 synchronized (mPackages) { 7625 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7626 if (pkg == null) { 7627 return -1; 7628 } else if (pkg.mSignatures.length != 1) { 7629 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7630 + " has more than one signature; ignoring"); 7631 return -1; 7632 } 7633 7634 /* 7635 * If the public key of the package's signature does not match 7636 * our expected public key, then this is a different package and 7637 * we should skip. 7638 */ 7639 7640 final byte[] expectedPublicKey; 7641 try { 7642 final Signature verifierSig = pkg.mSignatures[0]; 7643 final PublicKey publicKey = verifierSig.getPublicKey(); 7644 expectedPublicKey = publicKey.getEncoded(); 7645 } catch (CertificateException e) { 7646 return -1; 7647 } 7648 7649 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7650 7651 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7652 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7653 + " does not have the expected public key; ignoring"); 7654 return -1; 7655 } 7656 7657 return pkg.applicationInfo.uid; 7658 } 7659 } 7660 7661 @Override 7662 public void finishPackageInstall(int token) { 7663 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7664 7665 if (DEBUG_INSTALL) { 7666 Slog.v(TAG, "BM finishing package install for " + token); 7667 } 7668 7669 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7670 mHandler.sendMessage(msg); 7671 } 7672 7673 /** 7674 * Get the verification agent timeout. 7675 * 7676 * @return verification timeout in milliseconds 7677 */ 7678 private long getVerificationTimeout() { 7679 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7680 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7681 DEFAULT_VERIFICATION_TIMEOUT); 7682 } 7683 7684 /** 7685 * Get the default verification agent response code. 7686 * 7687 * @return default verification response code 7688 */ 7689 private int getDefaultVerificationResponse() { 7690 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7691 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7692 DEFAULT_VERIFICATION_RESPONSE); 7693 } 7694 7695 /** 7696 * Check whether or not package verification has been enabled. 7697 * 7698 * @return true if verification should be performed 7699 */ 7700 private boolean isVerificationEnabled(int flags) { 7701 if (!DEFAULT_VERIFY_ENABLE) { 7702 return false; 7703 } 7704 7705 // Check if installing from ADB 7706 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7707 // Do not run verification in a test harness environment 7708 if (ActivityManager.isRunningInTestHarness()) { 7709 return false; 7710 } 7711 // Check if the developer does not want package verification for ADB installs 7712 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7713 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7714 return false; 7715 } 7716 } 7717 7718 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7719 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7720 } 7721 7722 /** 7723 * Get the "allow unknown sources" setting. 7724 * 7725 * @return the current "allow unknown sources" setting 7726 */ 7727 private int getUnknownSourcesSettings() { 7728 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7729 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7730 -1); 7731 } 7732 7733 @Override 7734 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7735 final int uid = Binder.getCallingUid(); 7736 // writer 7737 synchronized (mPackages) { 7738 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7739 if (targetPackageSetting == null) { 7740 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7741 } 7742 7743 PackageSetting installerPackageSetting; 7744 if (installerPackageName != null) { 7745 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7746 if (installerPackageSetting == null) { 7747 throw new IllegalArgumentException("Unknown installer package: " 7748 + installerPackageName); 7749 } 7750 } else { 7751 installerPackageSetting = null; 7752 } 7753 7754 Signature[] callerSignature; 7755 Object obj = mSettings.getUserIdLPr(uid); 7756 if (obj != null) { 7757 if (obj instanceof SharedUserSetting) { 7758 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7759 } else if (obj instanceof PackageSetting) { 7760 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7761 } else { 7762 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7763 } 7764 } else { 7765 throw new SecurityException("Unknown calling uid " + uid); 7766 } 7767 7768 // Verify: can't set installerPackageName to a package that is 7769 // not signed with the same cert as the caller. 7770 if (installerPackageSetting != null) { 7771 if (compareSignatures(callerSignature, 7772 installerPackageSetting.signatures.mSignatures) 7773 != PackageManager.SIGNATURE_MATCH) { 7774 throw new SecurityException( 7775 "Caller does not have same cert as new installer package " 7776 + installerPackageName); 7777 } 7778 } 7779 7780 // Verify: if target already has an installer package, it must 7781 // be signed with the same cert as the caller. 7782 if (targetPackageSetting.installerPackageName != null) { 7783 PackageSetting setting = mSettings.mPackages.get( 7784 targetPackageSetting.installerPackageName); 7785 // If the currently set package isn't valid, then it's always 7786 // okay to change it. 7787 if (setting != null) { 7788 if (compareSignatures(callerSignature, 7789 setting.signatures.mSignatures) 7790 != PackageManager.SIGNATURE_MATCH) { 7791 throw new SecurityException( 7792 "Caller does not have same cert as old installer package " 7793 + targetPackageSetting.installerPackageName); 7794 } 7795 } 7796 } 7797 7798 // Okay! 7799 targetPackageSetting.installerPackageName = installerPackageName; 7800 scheduleWriteSettingsLocked(); 7801 } 7802 } 7803 7804 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7805 // Queue up an async operation since the package installation may take a little while. 7806 mHandler.post(new Runnable() { 7807 public void run() { 7808 mHandler.removeCallbacks(this); 7809 // Result object to be returned 7810 PackageInstalledInfo res = new PackageInstalledInfo(); 7811 res.returnCode = currentStatus; 7812 res.uid = -1; 7813 res.pkg = null; 7814 res.removedInfo = new PackageRemovedInfo(); 7815 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7816 args.doPreInstall(res.returnCode); 7817 synchronized (mInstallLock) { 7818 installPackageLI(args, true, res); 7819 } 7820 args.doPostInstall(res.returnCode, res.uid); 7821 } 7822 7823 // A restore should be performed at this point if (a) the install 7824 // succeeded, (b) the operation is not an update, and (c) the new 7825 // package has a backupAgent defined. 7826 final boolean update = res.removedInfo.removedPackage != null; 7827 boolean doRestore = (!update 7828 && res.pkg != null 7829 && res.pkg.applicationInfo.backupAgentName != null); 7830 7831 // Set up the post-install work request bookkeeping. This will be used 7832 // and cleaned up by the post-install event handling regardless of whether 7833 // there's a restore pass performed. Token values are >= 1. 7834 int token; 7835 if (mNextInstallToken < 0) mNextInstallToken = 1; 7836 token = mNextInstallToken++; 7837 7838 PostInstallData data = new PostInstallData(args, res); 7839 mRunningInstalls.put(token, data); 7840 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7841 7842 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7843 // Pass responsibility to the Backup Manager. It will perform a 7844 // restore if appropriate, then pass responsibility back to the 7845 // Package Manager to run the post-install observer callbacks 7846 // and broadcasts. 7847 IBackupManager bm = IBackupManager.Stub.asInterface( 7848 ServiceManager.getService(Context.BACKUP_SERVICE)); 7849 if (bm != null) { 7850 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7851 + " to BM for possible restore"); 7852 try { 7853 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7854 } catch (RemoteException e) { 7855 // can't happen; the backup manager is local 7856 } catch (Exception e) { 7857 Slog.e(TAG, "Exception trying to enqueue restore", e); 7858 doRestore = false; 7859 } 7860 } else { 7861 Slog.e(TAG, "Backup Manager not found!"); 7862 doRestore = false; 7863 } 7864 } 7865 7866 if (!doRestore) { 7867 // No restore possible, or the Backup Manager was mysteriously not 7868 // available -- just fire the post-install work request directly. 7869 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7870 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7871 mHandler.sendMessage(msg); 7872 } 7873 } 7874 }); 7875 } 7876 7877 private abstract class HandlerParams { 7878 private static final int MAX_RETRIES = 4; 7879 7880 /** 7881 * Number of times startCopy() has been attempted and had a non-fatal 7882 * error. 7883 */ 7884 private int mRetries = 0; 7885 7886 /** User handle for the user requesting the information or installation. */ 7887 private final UserHandle mUser; 7888 7889 HandlerParams(UserHandle user) { 7890 mUser = user; 7891 } 7892 7893 UserHandle getUser() { 7894 return mUser; 7895 } 7896 7897 final boolean startCopy() { 7898 boolean res; 7899 try { 7900 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7901 7902 if (++mRetries > MAX_RETRIES) { 7903 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7904 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7905 handleServiceError(); 7906 return false; 7907 } else { 7908 handleStartCopy(); 7909 res = true; 7910 } 7911 } catch (RemoteException e) { 7912 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7913 mHandler.sendEmptyMessage(MCS_RECONNECT); 7914 res = false; 7915 } 7916 handleReturnCode(); 7917 return res; 7918 } 7919 7920 final void serviceError() { 7921 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7922 handleServiceError(); 7923 handleReturnCode(); 7924 } 7925 7926 abstract void handleStartCopy() throws RemoteException; 7927 abstract void handleServiceError(); 7928 abstract void handleReturnCode(); 7929 } 7930 7931 class MeasureParams extends HandlerParams { 7932 private final PackageStats mStats; 7933 private boolean mSuccess; 7934 7935 private final IPackageStatsObserver mObserver; 7936 7937 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7938 super(new UserHandle(stats.userHandle)); 7939 mObserver = observer; 7940 mStats = stats; 7941 } 7942 7943 @Override 7944 public String toString() { 7945 return "MeasureParams{" 7946 + Integer.toHexString(System.identityHashCode(this)) 7947 + " " + mStats.packageName + "}"; 7948 } 7949 7950 @Override 7951 void handleStartCopy() throws RemoteException { 7952 synchronized (mInstallLock) { 7953 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7954 } 7955 7956 final boolean mounted; 7957 if (Environment.isExternalStorageEmulated()) { 7958 mounted = true; 7959 } else { 7960 final String status = Environment.getExternalStorageState(); 7961 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7962 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7963 } 7964 7965 if (mounted) { 7966 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7967 7968 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7969 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7970 7971 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7972 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7973 7974 // Always subtract cache size, since it's a subdirectory 7975 mStats.externalDataSize -= mStats.externalCacheSize; 7976 7977 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7978 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7979 7980 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7981 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7982 } 7983 } 7984 7985 @Override 7986 void handleReturnCode() { 7987 if (mObserver != null) { 7988 try { 7989 mObserver.onGetStatsCompleted(mStats, mSuccess); 7990 } catch (RemoteException e) { 7991 Slog.i(TAG, "Observer no longer exists."); 7992 } 7993 } 7994 } 7995 7996 @Override 7997 void handleServiceError() { 7998 Slog.e(TAG, "Could not measure application " + mStats.packageName 7999 + " external storage"); 8000 } 8001 } 8002 8003 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8004 throws RemoteException { 8005 long result = 0; 8006 for (File path : paths) { 8007 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8008 } 8009 return result; 8010 } 8011 8012 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8013 for (File path : paths) { 8014 try { 8015 mcs.clearDirectory(path.getAbsolutePath()); 8016 } catch (RemoteException e) { 8017 } 8018 } 8019 } 8020 8021 class InstallParams extends HandlerParams { 8022 final IPackageInstallObserver observer; 8023 int flags; 8024 8025 private final Uri mPackageURI; 8026 final String installerPackageName; 8027 final VerificationParams verificationParams; 8028 private InstallArgs mArgs; 8029 private int mRet; 8030 private File mTempPackage; 8031 final ContainerEncryptionParams encryptionParams; 8032 final String packageAbiOverride; 8033 final String packageInstructionSetOverride; 8034 8035 InstallParams(Uri packageURI, 8036 IPackageInstallObserver observer, int flags, 8037 String installerPackageName, VerificationParams verificationParams, 8038 ContainerEncryptionParams encryptionParams, UserHandle user, 8039 String packageAbiOverride) { 8040 super(user); 8041 this.mPackageURI = packageURI; 8042 this.flags = flags; 8043 this.observer = observer; 8044 this.installerPackageName = installerPackageName; 8045 this.verificationParams = verificationParams; 8046 this.encryptionParams = encryptionParams; 8047 this.packageAbiOverride = packageAbiOverride; 8048 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8049 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8050 } 8051 8052 @Override 8053 public String toString() { 8054 return "InstallParams{" 8055 + Integer.toHexString(System.identityHashCode(this)) 8056 + " " + mPackageURI + "}"; 8057 } 8058 8059 public ManifestDigest getManifestDigest() { 8060 if (verificationParams == null) { 8061 return null; 8062 } 8063 return verificationParams.getManifestDigest(); 8064 } 8065 8066 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8067 String packageName = pkgLite.packageName; 8068 int installLocation = pkgLite.installLocation; 8069 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8070 // reader 8071 synchronized (mPackages) { 8072 PackageParser.Package pkg = mPackages.get(packageName); 8073 if (pkg != null) { 8074 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8075 // Check for downgrading. 8076 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8077 if (pkgLite.versionCode < pkg.mVersionCode) { 8078 Slog.w(TAG, "Can't install update of " + packageName 8079 + " update version " + pkgLite.versionCode 8080 + " is older than installed version " 8081 + pkg.mVersionCode); 8082 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8083 } 8084 } 8085 // Check for updated system application. 8086 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8087 if (onSd) { 8088 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8089 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8090 } 8091 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8092 } else { 8093 if (onSd) { 8094 // Install flag overrides everything. 8095 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8096 } 8097 // If current upgrade specifies particular preference 8098 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8099 // Application explicitly specified internal. 8100 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8101 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8102 // App explictly prefers external. Let policy decide 8103 } else { 8104 // Prefer previous location 8105 if (isExternal(pkg)) { 8106 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8107 } 8108 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8109 } 8110 } 8111 } else { 8112 // Invalid install. Return error code 8113 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8114 } 8115 } 8116 } 8117 // All the special cases have been taken care of. 8118 // Return result based on recommended install location. 8119 if (onSd) { 8120 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8121 } 8122 return pkgLite.recommendedInstallLocation; 8123 } 8124 8125 private long getMemoryLowThreshold() { 8126 final DeviceStorageMonitorInternal 8127 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8128 if (dsm == null) { 8129 return 0L; 8130 } 8131 return dsm.getMemoryLowThreshold(); 8132 } 8133 8134 /* 8135 * Invoke remote method to get package information and install 8136 * location values. Override install location based on default 8137 * policy if needed and then create install arguments based 8138 * on the install location. 8139 */ 8140 public void handleStartCopy() throws RemoteException { 8141 int ret = PackageManager.INSTALL_SUCCEEDED; 8142 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8143 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8144 PackageInfoLite pkgLite = null; 8145 8146 if (onInt && onSd) { 8147 // Check if both bits are set. 8148 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8149 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8150 } else { 8151 final long lowThreshold = getMemoryLowThreshold(); 8152 if (lowThreshold == 0L) { 8153 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8154 } 8155 8156 try { 8157 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8158 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8159 8160 final File packageFile; 8161 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8162 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8163 if (mTempPackage != null) { 8164 ParcelFileDescriptor out; 8165 try { 8166 out = ParcelFileDescriptor.open(mTempPackage, 8167 ParcelFileDescriptor.MODE_READ_WRITE); 8168 } catch (FileNotFoundException e) { 8169 out = null; 8170 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8171 } 8172 8173 // Make a temporary file for decryption. 8174 ret = mContainerService 8175 .copyResource(mPackageURI, encryptionParams, out); 8176 IoUtils.closeQuietly(out); 8177 8178 packageFile = mTempPackage; 8179 8180 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8181 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8182 | FileUtils.S_IROTH, 8183 -1, -1); 8184 } else { 8185 packageFile = null; 8186 } 8187 } else { 8188 packageFile = new File(mPackageURI.getPath()); 8189 } 8190 8191 if (packageFile != null) { 8192 // Remote call to find out default install location 8193 final String packageFilePath = packageFile.getAbsolutePath(); 8194 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8195 lowThreshold, packageAbiOverride); 8196 8197 /* 8198 * If we have too little free space, try to free cache 8199 * before giving up. 8200 */ 8201 if (pkgLite.recommendedInstallLocation 8202 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8203 final long size = mContainerService.calculateInstalledSize( 8204 packageFilePath, isForwardLocked(), packageAbiOverride); 8205 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8206 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8207 flags, lowThreshold, packageAbiOverride); 8208 } 8209 /* 8210 * The cache free must have deleted the file we 8211 * downloaded to install. 8212 * 8213 * TODO: fix the "freeCache" call to not delete 8214 * the file we care about. 8215 */ 8216 if (pkgLite.recommendedInstallLocation 8217 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8218 pkgLite.recommendedInstallLocation 8219 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8220 } 8221 } 8222 } 8223 } finally { 8224 mContext.revokeUriPermission(mPackageURI, 8225 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8226 } 8227 } 8228 8229 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8230 int loc = pkgLite.recommendedInstallLocation; 8231 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8232 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8233 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8234 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8235 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8236 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8237 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8238 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8239 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8240 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8241 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8242 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8243 } else { 8244 // Override with defaults if needed. 8245 loc = installLocationPolicy(pkgLite, flags); 8246 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8247 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8248 } else if (!onSd && !onInt) { 8249 // Override install location with flags 8250 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8251 // Set the flag to install on external media. 8252 flags |= PackageManager.INSTALL_EXTERNAL; 8253 flags &= ~PackageManager.INSTALL_INTERNAL; 8254 } else { 8255 // Make sure the flag for installing on external 8256 // media is unset 8257 flags |= PackageManager.INSTALL_INTERNAL; 8258 flags &= ~PackageManager.INSTALL_EXTERNAL; 8259 } 8260 } 8261 } 8262 } 8263 8264 final InstallArgs args = createInstallArgs(this); 8265 mArgs = args; 8266 8267 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8268 /* 8269 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8270 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8271 */ 8272 int userIdentifier = getUser().getIdentifier(); 8273 if (userIdentifier == UserHandle.USER_ALL 8274 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8275 userIdentifier = UserHandle.USER_OWNER; 8276 } 8277 8278 /* 8279 * Determine if we have any installed package verifiers. If we 8280 * do, then we'll defer to them to verify the packages. 8281 */ 8282 final int requiredUid = mRequiredVerifierPackage == null ? -1 8283 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8284 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8285 final Intent verification = new Intent( 8286 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8287 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8288 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8289 8290 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8291 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8292 0 /* TODO: Which userId? */); 8293 8294 if (DEBUG_VERIFY) { 8295 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8296 + verification.toString() + " with " + pkgLite.verifiers.length 8297 + " optional verifiers"); 8298 } 8299 8300 final int verificationId = mPendingVerificationToken++; 8301 8302 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8303 8304 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8305 installerPackageName); 8306 8307 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8308 8309 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8310 pkgLite.packageName); 8311 8312 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8313 pkgLite.versionCode); 8314 8315 if (verificationParams != null) { 8316 if (verificationParams.getVerificationURI() != null) { 8317 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8318 verificationParams.getVerificationURI()); 8319 } 8320 if (verificationParams.getOriginatingURI() != null) { 8321 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8322 verificationParams.getOriginatingURI()); 8323 } 8324 if (verificationParams.getReferrer() != null) { 8325 verification.putExtra(Intent.EXTRA_REFERRER, 8326 verificationParams.getReferrer()); 8327 } 8328 if (verificationParams.getOriginatingUid() >= 0) { 8329 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8330 verificationParams.getOriginatingUid()); 8331 } 8332 if (verificationParams.getInstallerUid() >= 0) { 8333 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8334 verificationParams.getInstallerUid()); 8335 } 8336 } 8337 8338 final PackageVerificationState verificationState = new PackageVerificationState( 8339 requiredUid, args); 8340 8341 mPendingVerification.append(verificationId, verificationState); 8342 8343 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8344 receivers, verificationState); 8345 8346 /* 8347 * If any sufficient verifiers were listed in the package 8348 * manifest, attempt to ask them. 8349 */ 8350 if (sufficientVerifiers != null) { 8351 final int N = sufficientVerifiers.size(); 8352 if (N == 0) { 8353 Slog.i(TAG, "Additional verifiers required, but none installed."); 8354 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8355 } else { 8356 for (int i = 0; i < N; i++) { 8357 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8358 8359 final Intent sufficientIntent = new Intent(verification); 8360 sufficientIntent.setComponent(verifierComponent); 8361 8362 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8363 } 8364 } 8365 } 8366 8367 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8368 mRequiredVerifierPackage, receivers); 8369 if (ret == PackageManager.INSTALL_SUCCEEDED 8370 && mRequiredVerifierPackage != null) { 8371 /* 8372 * Send the intent to the required verification agent, 8373 * but only start the verification timeout after the 8374 * target BroadcastReceivers have run. 8375 */ 8376 verification.setComponent(requiredVerifierComponent); 8377 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8378 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8379 new BroadcastReceiver() { 8380 @Override 8381 public void onReceive(Context context, Intent intent) { 8382 final Message msg = mHandler 8383 .obtainMessage(CHECK_PENDING_VERIFICATION); 8384 msg.arg1 = verificationId; 8385 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8386 } 8387 }, null, 0, null, null); 8388 8389 /* 8390 * We don't want the copy to proceed until verification 8391 * succeeds, so null out this field. 8392 */ 8393 mArgs = null; 8394 } 8395 } else { 8396 /* 8397 * No package verification is enabled, so immediately start 8398 * the remote call to initiate copy using temporary file. 8399 */ 8400 ret = args.copyApk(mContainerService, true); 8401 } 8402 } 8403 8404 mRet = ret; 8405 } 8406 8407 @Override 8408 void handleReturnCode() { 8409 // If mArgs is null, then MCS couldn't be reached. When it 8410 // reconnects, it will try again to install. At that point, this 8411 // will succeed. 8412 if (mArgs != null) { 8413 processPendingInstall(mArgs, mRet); 8414 8415 if (mTempPackage != null) { 8416 if (!mTempPackage.delete()) { 8417 Slog.w(TAG, "Couldn't delete temporary file: " + 8418 mTempPackage.getAbsolutePath()); 8419 } 8420 } 8421 } 8422 } 8423 8424 @Override 8425 void handleServiceError() { 8426 mArgs = createInstallArgs(this); 8427 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8428 } 8429 8430 public boolean isForwardLocked() { 8431 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8432 } 8433 8434 public Uri getPackageUri() { 8435 if (mTempPackage != null) { 8436 return Uri.fromFile(mTempPackage); 8437 } else { 8438 return mPackageURI; 8439 } 8440 } 8441 } 8442 8443 /* 8444 * Utility class used in movePackage api. 8445 * srcArgs and targetArgs are not set for invalid flags and make 8446 * sure to do null checks when invoking methods on them. 8447 * We probably want to return ErrorPrams for both failed installs 8448 * and moves. 8449 */ 8450 class MoveParams extends HandlerParams { 8451 final IPackageMoveObserver observer; 8452 final int flags; 8453 final String packageName; 8454 final InstallArgs srcArgs; 8455 final InstallArgs targetArgs; 8456 int uid; 8457 int mRet; 8458 8459 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8460 String packageName, String dataDir, String instructionSet, 8461 int uid, UserHandle user) { 8462 super(user); 8463 this.srcArgs = srcArgs; 8464 this.observer = observer; 8465 this.flags = flags; 8466 this.packageName = packageName; 8467 this.uid = uid; 8468 if (srcArgs != null) { 8469 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8470 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8471 } else { 8472 targetArgs = null; 8473 } 8474 } 8475 8476 @Override 8477 public String toString() { 8478 return "MoveParams{" 8479 + Integer.toHexString(System.identityHashCode(this)) 8480 + " " + packageName + "}"; 8481 } 8482 8483 public void handleStartCopy() throws RemoteException { 8484 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8485 // Check for storage space on target medium 8486 if (!targetArgs.checkFreeStorage(mContainerService)) { 8487 Log.w(TAG, "Insufficient storage to install"); 8488 return; 8489 } 8490 8491 mRet = srcArgs.doPreCopy(); 8492 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8493 return; 8494 } 8495 8496 mRet = targetArgs.copyApk(mContainerService, false); 8497 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8498 srcArgs.doPostCopy(uid); 8499 return; 8500 } 8501 8502 mRet = srcArgs.doPostCopy(uid); 8503 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8504 return; 8505 } 8506 8507 mRet = targetArgs.doPreInstall(mRet); 8508 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8509 return; 8510 } 8511 8512 if (DEBUG_SD_INSTALL) { 8513 StringBuilder builder = new StringBuilder(); 8514 if (srcArgs != null) { 8515 builder.append("src: "); 8516 builder.append(srcArgs.getCodePath()); 8517 } 8518 if (targetArgs != null) { 8519 builder.append(" target : "); 8520 builder.append(targetArgs.getCodePath()); 8521 } 8522 Log.i(TAG, builder.toString()); 8523 } 8524 } 8525 8526 @Override 8527 void handleReturnCode() { 8528 targetArgs.doPostInstall(mRet, uid); 8529 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8530 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8531 currentStatus = PackageManager.MOVE_SUCCEEDED; 8532 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8533 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8534 } 8535 processPendingMove(this, currentStatus); 8536 } 8537 8538 @Override 8539 void handleServiceError() { 8540 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8541 } 8542 } 8543 8544 /** 8545 * Used during creation of InstallArgs 8546 * 8547 * @param flags package installation flags 8548 * @return true if should be installed on external storage 8549 */ 8550 private static boolean installOnSd(int flags) { 8551 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8552 return false; 8553 } 8554 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8555 return true; 8556 } 8557 return false; 8558 } 8559 8560 /** 8561 * Used during creation of InstallArgs 8562 * 8563 * @param flags package installation flags 8564 * @return true if should be installed as forward locked 8565 */ 8566 private static boolean installForwardLocked(int flags) { 8567 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8568 } 8569 8570 private InstallArgs createInstallArgs(InstallParams params) { 8571 if (installOnSd(params.flags) || params.isForwardLocked()) { 8572 return new AsecInstallArgs(params); 8573 } else { 8574 return new FileInstallArgs(params); 8575 } 8576 } 8577 8578 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8579 String nativeLibraryPath, String instructionSet) { 8580 final boolean isInAsec; 8581 if (installOnSd(flags)) { 8582 /* Apps on SD card are always in ASEC containers. */ 8583 isInAsec = true; 8584 } else if (installForwardLocked(flags) 8585 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8586 /* 8587 * Forward-locked apps are only in ASEC containers if they're the 8588 * new style 8589 */ 8590 isInAsec = true; 8591 } else { 8592 isInAsec = false; 8593 } 8594 8595 if (isInAsec) { 8596 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8597 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8598 } else { 8599 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8600 instructionSet); 8601 } 8602 } 8603 8604 // Used by package mover 8605 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8606 String instructionSet) { 8607 if (installOnSd(flags) || installForwardLocked(flags)) { 8608 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8609 + AsecInstallArgs.RES_FILE_NAME); 8610 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8611 installForwardLocked(flags)); 8612 } else { 8613 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8614 } 8615 } 8616 8617 static abstract class InstallArgs { 8618 final IPackageInstallObserver observer; 8619 // Always refers to PackageManager flags only 8620 final int flags; 8621 final Uri packageURI; 8622 final String installerPackageName; 8623 final ManifestDigest manifestDigest; 8624 final UserHandle user; 8625 final String instructionSet; 8626 final String abiOverride; 8627 8628 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8629 String installerPackageName, ManifestDigest manifestDigest, 8630 UserHandle user, String instructionSet, String abiOverride) { 8631 this.packageURI = packageURI; 8632 this.flags = flags; 8633 this.observer = observer; 8634 this.installerPackageName = installerPackageName; 8635 this.manifestDigest = manifestDigest; 8636 this.user = user; 8637 this.instructionSet = instructionSet; 8638 this.abiOverride = abiOverride; 8639 } 8640 8641 abstract void createCopyFile(); 8642 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8643 abstract int doPreInstall(int status); 8644 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8645 8646 abstract int doPostInstall(int status, int uid); 8647 abstract String getCodePath(); 8648 abstract String getResourcePath(); 8649 abstract String getNativeLibraryPath(); 8650 // Need installer lock especially for dex file removal. 8651 abstract void cleanUpResourcesLI(); 8652 abstract boolean doPostDeleteLI(boolean delete); 8653 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8654 8655 /** 8656 * Called before the source arguments are copied. This is used mostly 8657 * for MoveParams when it needs to read the source file to put it in the 8658 * destination. 8659 */ 8660 int doPreCopy() { 8661 return PackageManager.INSTALL_SUCCEEDED; 8662 } 8663 8664 /** 8665 * Called after the source arguments are copied. This is used mostly for 8666 * MoveParams when it needs to read the source file to put it in the 8667 * destination. 8668 * 8669 * @return 8670 */ 8671 int doPostCopy(int uid) { 8672 return PackageManager.INSTALL_SUCCEEDED; 8673 } 8674 8675 protected boolean isFwdLocked() { 8676 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8677 } 8678 8679 UserHandle getUser() { 8680 return user; 8681 } 8682 } 8683 8684 class FileInstallArgs extends InstallArgs { 8685 File installDir; 8686 String codeFileName; 8687 String resourceFileName; 8688 String libraryPath; 8689 boolean created = false; 8690 8691 FileInstallArgs(InstallParams params) { 8692 super(params.getPackageUri(), params.observer, params.flags, 8693 params.installerPackageName, params.getManifestDigest(), 8694 params.getUser(), params.packageInstructionSetOverride, 8695 params.packageAbiOverride); 8696 } 8697 8698 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8699 String instructionSet) { 8700 super(null, null, 0, null, null, null, instructionSet, null); 8701 File codeFile = new File(fullCodePath); 8702 installDir = codeFile.getParentFile(); 8703 codeFileName = fullCodePath; 8704 resourceFileName = fullResourcePath; 8705 libraryPath = nativeLibraryPath; 8706 } 8707 8708 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8709 super(packageURI, null, 0, null, null, null, instructionSet, null); 8710 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8711 String apkName = getNextCodePath(null, pkgName, ".apk"); 8712 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8713 resourceFileName = getResourcePathFromCodePath(); 8714 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8715 } 8716 8717 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8718 final long lowThreshold; 8719 8720 final DeviceStorageMonitorInternal 8721 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8722 if (dsm == null) { 8723 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8724 lowThreshold = 0L; 8725 } else { 8726 if (dsm.isMemoryLow()) { 8727 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8728 return false; 8729 } 8730 8731 lowThreshold = dsm.getMemoryLowThreshold(); 8732 } 8733 8734 try { 8735 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8736 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8737 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8738 } finally { 8739 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8740 } 8741 } 8742 8743 String getCodePath() { 8744 return codeFileName; 8745 } 8746 8747 void createCopyFile() { 8748 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8749 codeFileName = createTempPackageFile(installDir).getPath(); 8750 resourceFileName = getResourcePathFromCodePath(); 8751 libraryPath = getLibraryPathFromCodePath(); 8752 created = true; 8753 } 8754 8755 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8756 if (temp) { 8757 // Generate temp file name 8758 createCopyFile(); 8759 } 8760 // Get a ParcelFileDescriptor to write to the output file 8761 File codeFile = new File(codeFileName); 8762 if (!created) { 8763 try { 8764 codeFile.createNewFile(); 8765 // Set permissions 8766 if (!setPermissions()) { 8767 // Failed setting permissions. 8768 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8769 } 8770 } catch (IOException e) { 8771 Slog.w(TAG, "Failed to create file " + codeFile); 8772 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8773 } 8774 } 8775 ParcelFileDescriptor out = null; 8776 try { 8777 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8778 } catch (FileNotFoundException e) { 8779 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8780 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8781 } 8782 // Copy the resource now 8783 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8784 try { 8785 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8786 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8787 ret = imcs.copyResource(packageURI, null, out); 8788 } finally { 8789 IoUtils.closeQuietly(out); 8790 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8791 } 8792 8793 if (isFwdLocked()) { 8794 final File destResourceFile = new File(getResourcePath()); 8795 8796 // Copy the public files 8797 try { 8798 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8799 } catch (IOException e) { 8800 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8801 + " forward-locked app."); 8802 destResourceFile.delete(); 8803 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8804 } 8805 } 8806 8807 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8808 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8809 if (nativeLibraryFile.exists()) { 8810 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8811 nativeLibraryFile.delete(); 8812 } 8813 8814 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 8815 final String[] abiList = (abiOverride != null) ? 8816 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 8817 try { 8818 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 8819 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8820 return copyRet; 8821 } 8822 } catch (IOException e) { 8823 Slog.e(TAG, "Copying native libraries failed", e); 8824 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8825 } finally { 8826 handle.close(); 8827 } 8828 8829 return ret; 8830 } 8831 8832 int doPreInstall(int status) { 8833 if (status != PackageManager.INSTALL_SUCCEEDED) { 8834 cleanUp(); 8835 } 8836 return status; 8837 } 8838 8839 boolean doRename(int status, final String pkgName, String oldCodePath) { 8840 if (status != PackageManager.INSTALL_SUCCEEDED) { 8841 cleanUp(); 8842 return false; 8843 } else { 8844 final File oldCodeFile = new File(getCodePath()); 8845 final File oldResourceFile = new File(getResourcePath()); 8846 final File oldLibraryFile = new File(getNativeLibraryPath()); 8847 8848 // Rename APK file based on packageName 8849 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8850 final File newCodeFile = new File(installDir, apkName + ".apk"); 8851 if (!oldCodeFile.renameTo(newCodeFile)) { 8852 return false; 8853 } 8854 codeFileName = newCodeFile.getPath(); 8855 8856 // Rename public resource file if it's forward-locked. 8857 final File newResFile = new File(getResourcePathFromCodePath()); 8858 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8859 return false; 8860 } 8861 resourceFileName = newResFile.getPath(); 8862 8863 // Rename library path 8864 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8865 if (newLibraryFile.exists()) { 8866 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8867 newLibraryFile.delete(); 8868 } 8869 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8870 Slog.e(TAG, "Cannot rename native library directory " 8871 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8872 return false; 8873 } 8874 libraryPath = newLibraryFile.getPath(); 8875 8876 // Attempt to set permissions 8877 if (!setPermissions()) { 8878 return false; 8879 } 8880 8881 if (!SELinux.restorecon(newCodeFile)) { 8882 return false; 8883 } 8884 8885 return true; 8886 } 8887 } 8888 8889 int doPostInstall(int status, int uid) { 8890 if (status != PackageManager.INSTALL_SUCCEEDED) { 8891 cleanUp(); 8892 } 8893 return status; 8894 } 8895 8896 String getResourcePath() { 8897 return resourceFileName; 8898 } 8899 8900 private String getResourcePathFromCodePath() { 8901 final String codePath = getCodePath(); 8902 if (isFwdLocked()) { 8903 final StringBuilder sb = new StringBuilder(); 8904 8905 sb.append(mAppInstallDir.getPath()); 8906 sb.append('/'); 8907 sb.append(getApkName(codePath)); 8908 sb.append(".zip"); 8909 8910 /* 8911 * If our APK is a temporary file, mark the resource as a 8912 * temporary file as well so it can be cleaned up after 8913 * catastrophic failure. 8914 */ 8915 if (codePath.endsWith(".tmp")) { 8916 sb.append(".tmp"); 8917 } 8918 8919 return sb.toString(); 8920 } else { 8921 return codePath; 8922 } 8923 } 8924 8925 private String getLibraryPathFromCodePath() { 8926 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8927 } 8928 8929 @Override 8930 String getNativeLibraryPath() { 8931 if (libraryPath == null) { 8932 libraryPath = getLibraryPathFromCodePath(); 8933 } 8934 return libraryPath; 8935 } 8936 8937 private boolean cleanUp() { 8938 boolean ret = true; 8939 String sourceDir = getCodePath(); 8940 String publicSourceDir = getResourcePath(); 8941 if (sourceDir != null) { 8942 File sourceFile = new File(sourceDir); 8943 if (!sourceFile.exists()) { 8944 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8945 ret = false; 8946 } 8947 // Delete application's code and resources 8948 sourceFile.delete(); 8949 } 8950 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8951 final File publicSourceFile = new File(publicSourceDir); 8952 if (!publicSourceFile.exists()) { 8953 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8954 } 8955 if (publicSourceFile.exists()) { 8956 publicSourceFile.delete(); 8957 } 8958 } 8959 8960 if (libraryPath != null) { 8961 File nativeLibraryFile = new File(libraryPath); 8962 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8963 if (!nativeLibraryFile.delete()) { 8964 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8965 } 8966 } 8967 8968 return ret; 8969 } 8970 8971 void cleanUpResourcesLI() { 8972 String sourceDir = getCodePath(); 8973 if (cleanUp()) { 8974 if (instructionSet == null) { 8975 throw new IllegalStateException("instructionSet == null"); 8976 } 8977 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 8978 if (retCode < 0) { 8979 Slog.w(TAG, "Couldn't remove dex file for package: " 8980 + " at location " 8981 + sourceDir + ", retcode=" + retCode); 8982 // we don't consider this to be a failure of the core package deletion 8983 } 8984 } 8985 } 8986 8987 private boolean setPermissions() { 8988 // TODO Do this in a more elegant way later on. for now just a hack 8989 if (!isFwdLocked()) { 8990 final int filePermissions = 8991 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8992 |FileUtils.S_IROTH; 8993 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8994 if (retCode != 0) { 8995 Slog.e(TAG, "Couldn't set new package file permissions for " + 8996 getCodePath() 8997 + ". The return code was: " + retCode); 8998 // TODO Define new internal error 8999 return false; 9000 } 9001 return true; 9002 } 9003 return true; 9004 } 9005 9006 boolean doPostDeleteLI(boolean delete) { 9007 // XXX err, shouldn't we respect the delete flag? 9008 cleanUpResourcesLI(); 9009 return true; 9010 } 9011 } 9012 9013 private boolean isAsecExternal(String cid) { 9014 final String asecPath = PackageHelper.getSdFilesystem(cid); 9015 return !asecPath.startsWith(mAsecInternalPath); 9016 } 9017 9018 /** 9019 * Extract the MountService "container ID" from the full code path of an 9020 * .apk. 9021 */ 9022 static String cidFromCodePath(String fullCodePath) { 9023 int eidx = fullCodePath.lastIndexOf("/"); 9024 String subStr1 = fullCodePath.substring(0, eidx); 9025 int sidx = subStr1.lastIndexOf("/"); 9026 return subStr1.substring(sidx+1, eidx); 9027 } 9028 9029 class AsecInstallArgs extends InstallArgs { 9030 static final String RES_FILE_NAME = "pkg.apk"; 9031 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9032 9033 String cid; 9034 String packagePath; 9035 String resourcePath; 9036 String libraryPath; 9037 9038 AsecInstallArgs(InstallParams params) { 9039 super(params.getPackageUri(), params.observer, params.flags, 9040 params.installerPackageName, params.getManifestDigest(), 9041 params.getUser(), params.packageInstructionSetOverride, 9042 params.packageAbiOverride); 9043 } 9044 9045 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9046 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9047 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9048 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9049 null, null, null, instructionSet, null); 9050 // Extract cid from fullCodePath 9051 int eidx = fullCodePath.lastIndexOf("/"); 9052 String subStr1 = fullCodePath.substring(0, eidx); 9053 int sidx = subStr1.lastIndexOf("/"); 9054 cid = subStr1.substring(sidx+1, eidx); 9055 setCachePath(subStr1); 9056 } 9057 9058 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9059 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9060 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9061 null, null, null, instructionSet, null); 9062 this.cid = cid; 9063 setCachePath(PackageHelper.getSdDir(cid)); 9064 } 9065 9066 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9067 boolean isExternal, boolean isForwardLocked) { 9068 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9069 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9070 null, null, null, instructionSet, null); 9071 this.cid = cid; 9072 } 9073 9074 void createCopyFile() { 9075 cid = getTempContainerId(); 9076 } 9077 9078 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9079 try { 9080 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9081 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9082 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9083 } finally { 9084 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9085 } 9086 } 9087 9088 private final boolean isExternal() { 9089 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9090 } 9091 9092 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9093 if (temp) { 9094 createCopyFile(); 9095 } else { 9096 /* 9097 * Pre-emptively destroy the container since it's destroyed if 9098 * copying fails due to it existing anyway. 9099 */ 9100 PackageHelper.destroySdDir(cid); 9101 } 9102 9103 final String newCachePath; 9104 try { 9105 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9106 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9107 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9108 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9109 abiOverride); 9110 } finally { 9111 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9112 } 9113 9114 if (newCachePath != null) { 9115 setCachePath(newCachePath); 9116 return PackageManager.INSTALL_SUCCEEDED; 9117 } else { 9118 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9119 } 9120 } 9121 9122 @Override 9123 String getCodePath() { 9124 return packagePath; 9125 } 9126 9127 @Override 9128 String getResourcePath() { 9129 return resourcePath; 9130 } 9131 9132 @Override 9133 String getNativeLibraryPath() { 9134 return libraryPath; 9135 } 9136 9137 int doPreInstall(int status) { 9138 if (status != PackageManager.INSTALL_SUCCEEDED) { 9139 // Destroy container 9140 PackageHelper.destroySdDir(cid); 9141 } else { 9142 boolean mounted = PackageHelper.isContainerMounted(cid); 9143 if (!mounted) { 9144 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9145 Process.SYSTEM_UID); 9146 if (newCachePath != null) { 9147 setCachePath(newCachePath); 9148 } else { 9149 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9150 } 9151 } 9152 } 9153 return status; 9154 } 9155 9156 boolean doRename(int status, final String pkgName, 9157 String oldCodePath) { 9158 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9159 String newCachePath = null; 9160 if (PackageHelper.isContainerMounted(cid)) { 9161 // Unmount the container 9162 if (!PackageHelper.unMountSdDir(cid)) { 9163 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9164 return false; 9165 } 9166 } 9167 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9168 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9169 " which might be stale. Will try to clean up."); 9170 // Clean up the stale container and proceed to recreate. 9171 if (!PackageHelper.destroySdDir(newCacheId)) { 9172 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9173 return false; 9174 } 9175 // Successfully cleaned up stale container. Try to rename again. 9176 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9177 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9178 + " inspite of cleaning it up."); 9179 return false; 9180 } 9181 } 9182 if (!PackageHelper.isContainerMounted(newCacheId)) { 9183 Slog.w(TAG, "Mounting container " + newCacheId); 9184 newCachePath = PackageHelper.mountSdDir(newCacheId, 9185 getEncryptKey(), Process.SYSTEM_UID); 9186 } else { 9187 newCachePath = PackageHelper.getSdDir(newCacheId); 9188 } 9189 if (newCachePath == null) { 9190 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9191 return false; 9192 } 9193 Log.i(TAG, "Succesfully renamed " + cid + 9194 " to " + newCacheId + 9195 " at new path: " + newCachePath); 9196 cid = newCacheId; 9197 setCachePath(newCachePath); 9198 return true; 9199 } 9200 9201 private void setCachePath(String newCachePath) { 9202 File cachePath = new File(newCachePath); 9203 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9204 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9205 9206 if (isFwdLocked()) { 9207 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9208 } else { 9209 resourcePath = packagePath; 9210 } 9211 } 9212 9213 int doPostInstall(int status, int uid) { 9214 if (status != PackageManager.INSTALL_SUCCEEDED) { 9215 cleanUp(); 9216 } else { 9217 final int groupOwner; 9218 final String protectedFile; 9219 if (isFwdLocked()) { 9220 groupOwner = UserHandle.getSharedAppGid(uid); 9221 protectedFile = RES_FILE_NAME; 9222 } else { 9223 groupOwner = -1; 9224 protectedFile = null; 9225 } 9226 9227 if (uid < Process.FIRST_APPLICATION_UID 9228 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9229 Slog.e(TAG, "Failed to finalize " + cid); 9230 PackageHelper.destroySdDir(cid); 9231 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9232 } 9233 9234 boolean mounted = PackageHelper.isContainerMounted(cid); 9235 if (!mounted) { 9236 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9237 } 9238 } 9239 return status; 9240 } 9241 9242 private void cleanUp() { 9243 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9244 9245 // Destroy secure container 9246 PackageHelper.destroySdDir(cid); 9247 } 9248 9249 void cleanUpResourcesLI() { 9250 String sourceFile = getCodePath(); 9251 // Remove dex file 9252 if (instructionSet == null) { 9253 throw new IllegalStateException("instructionSet == null"); 9254 } 9255 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9256 if (retCode < 0) { 9257 Slog.w(TAG, "Couldn't remove dex file for package: " 9258 + " at location " 9259 + sourceFile.toString() + ", retcode=" + retCode); 9260 // we don't consider this to be a failure of the core package deletion 9261 } 9262 cleanUp(); 9263 } 9264 9265 boolean matchContainer(String app) { 9266 if (cid.startsWith(app)) { 9267 return true; 9268 } 9269 return false; 9270 } 9271 9272 String getPackageName() { 9273 return getAsecPackageName(cid); 9274 } 9275 9276 boolean doPostDeleteLI(boolean delete) { 9277 boolean ret = false; 9278 boolean mounted = PackageHelper.isContainerMounted(cid); 9279 if (mounted) { 9280 // Unmount first 9281 ret = PackageHelper.unMountSdDir(cid); 9282 } 9283 if (ret && delete) { 9284 cleanUpResourcesLI(); 9285 } 9286 return ret; 9287 } 9288 9289 @Override 9290 int doPreCopy() { 9291 if (isFwdLocked()) { 9292 if (!PackageHelper.fixSdPermissions(cid, 9293 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9294 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9295 } 9296 } 9297 9298 return PackageManager.INSTALL_SUCCEEDED; 9299 } 9300 9301 @Override 9302 int doPostCopy(int uid) { 9303 if (isFwdLocked()) { 9304 if (uid < Process.FIRST_APPLICATION_UID 9305 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9306 RES_FILE_NAME)) { 9307 Slog.e(TAG, "Failed to finalize " + cid); 9308 PackageHelper.destroySdDir(cid); 9309 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9310 } 9311 } 9312 9313 return PackageManager.INSTALL_SUCCEEDED; 9314 } 9315 }; 9316 9317 static String getAsecPackageName(String packageCid) { 9318 int idx = packageCid.lastIndexOf("-"); 9319 if (idx == -1) { 9320 return packageCid; 9321 } 9322 return packageCid.substring(0, idx); 9323 } 9324 9325 // Utility method used to create code paths based on package name and available index. 9326 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9327 String idxStr = ""; 9328 int idx = 1; 9329 // Fall back to default value of idx=1 if prefix is not 9330 // part of oldCodePath 9331 if (oldCodePath != null) { 9332 String subStr = oldCodePath; 9333 // Drop the suffix right away 9334 if (subStr.endsWith(suffix)) { 9335 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9336 } 9337 // If oldCodePath already contains prefix find out the 9338 // ending index to either increment or decrement. 9339 int sidx = subStr.lastIndexOf(prefix); 9340 if (sidx != -1) { 9341 subStr = subStr.substring(sidx + prefix.length()); 9342 if (subStr != null) { 9343 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9344 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9345 } 9346 try { 9347 idx = Integer.parseInt(subStr); 9348 if (idx <= 1) { 9349 idx++; 9350 } else { 9351 idx--; 9352 } 9353 } catch(NumberFormatException e) { 9354 } 9355 } 9356 } 9357 } 9358 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9359 return prefix + idxStr; 9360 } 9361 9362 // Utility method used to ignore ADD/REMOVE events 9363 // by directory observer. 9364 private static boolean ignoreCodePath(String fullPathStr) { 9365 String apkName = getApkName(fullPathStr); 9366 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9367 if (idx != -1 && ((idx+1) < apkName.length())) { 9368 // Make sure the package ends with a numeral 9369 String version = apkName.substring(idx+1); 9370 try { 9371 Integer.parseInt(version); 9372 return true; 9373 } catch (NumberFormatException e) {} 9374 } 9375 return false; 9376 } 9377 9378 // Utility method that returns the relative package path with respect 9379 // to the installation directory. Like say for /data/data/com.test-1.apk 9380 // string com.test-1 is returned. 9381 static String getApkName(String codePath) { 9382 if (codePath == null) { 9383 return null; 9384 } 9385 int sidx = codePath.lastIndexOf("/"); 9386 int eidx = codePath.lastIndexOf("."); 9387 if (eidx == -1) { 9388 eidx = codePath.length(); 9389 } else if (eidx == 0) { 9390 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9391 return null; 9392 } 9393 return codePath.substring(sidx+1, eidx); 9394 } 9395 9396 class PackageInstalledInfo { 9397 String name; 9398 int uid; 9399 // The set of users that originally had this package installed. 9400 int[] origUsers; 9401 // The set of users that now have this package installed. 9402 int[] newUsers; 9403 PackageParser.Package pkg; 9404 int returnCode; 9405 PackageRemovedInfo removedInfo; 9406 } 9407 9408 /* 9409 * Install a non-existing package. 9410 */ 9411 private void installNewPackageLI(PackageParser.Package pkg, 9412 int parseFlags, int scanMode, UserHandle user, 9413 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9414 // Remember this for later, in case we need to rollback this install 9415 String pkgName = pkg.packageName; 9416 9417 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9418 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9419 synchronized(mPackages) { 9420 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9421 // A package with the same name is already installed, though 9422 // it has been renamed to an older name. The package we 9423 // are trying to install should be installed as an update to 9424 // the existing one, but that has not been requested, so bail. 9425 Slog.w(TAG, "Attempt to re-install " + pkgName 9426 + " without first uninstalling package running as " 9427 + mSettings.mRenamedPackages.get(pkgName)); 9428 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9429 return; 9430 } 9431 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9432 // Don't allow installation over an existing package with the same name. 9433 Slog.w(TAG, "Attempt to re-install " + pkgName 9434 + " without first uninstalling."); 9435 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9436 return; 9437 } 9438 } 9439 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9440 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9441 System.currentTimeMillis(), user, abiOverride); 9442 if (newPackage == null) { 9443 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9444 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9445 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9446 } 9447 } else { 9448 updateSettingsLI(newPackage, 9449 installerPackageName, 9450 null, null, 9451 res); 9452 // delete the partially installed application. the data directory will have to be 9453 // restored if it was already existing 9454 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9455 // remove package from internal structures. Note that we want deletePackageX to 9456 // delete the package data and cache directories that it created in 9457 // scanPackageLocked, unless those directories existed before we even tried to 9458 // install. 9459 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9460 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9461 res.removedInfo, true); 9462 } 9463 } 9464 } 9465 9466 private void replacePackageLI(PackageParser.Package pkg, 9467 int parseFlags, int scanMode, UserHandle user, 9468 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9469 9470 PackageParser.Package oldPackage; 9471 String pkgName = pkg.packageName; 9472 int[] allUsers; 9473 boolean[] perUserInstalled; 9474 9475 // First find the old package info and check signatures 9476 synchronized(mPackages) { 9477 oldPackage = mPackages.get(pkgName); 9478 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9479 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9480 != PackageManager.SIGNATURE_MATCH) { 9481 Slog.w(TAG, "New package has a different signature: " + pkgName); 9482 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9483 return; 9484 } 9485 9486 // In case of rollback, remember per-user/profile install state 9487 PackageSetting ps = mSettings.mPackages.get(pkgName); 9488 allUsers = sUserManager.getUserIds(); 9489 perUserInstalled = new boolean[allUsers.length]; 9490 for (int i = 0; i < allUsers.length; i++) { 9491 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9492 } 9493 } 9494 boolean sysPkg = (isSystemApp(oldPackage)); 9495 if (sysPkg) { 9496 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9497 user, allUsers, perUserInstalled, installerPackageName, res, 9498 abiOverride); 9499 } else { 9500 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9501 user, allUsers, perUserInstalled, installerPackageName, res, 9502 abiOverride); 9503 } 9504 } 9505 9506 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9507 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9508 int[] allUsers, boolean[] perUserInstalled, 9509 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9510 PackageParser.Package newPackage = null; 9511 String pkgName = deletedPackage.packageName; 9512 boolean deletedPkg = true; 9513 boolean updatedSettings = false; 9514 9515 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9516 + deletedPackage); 9517 long origUpdateTime; 9518 if (pkg.mExtras != null) { 9519 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9520 } else { 9521 origUpdateTime = 0; 9522 } 9523 9524 // First delete the existing package while retaining the data directory 9525 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9526 res.removedInfo, true)) { 9527 // If the existing package wasn't successfully deleted 9528 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9529 deletedPkg = false; 9530 } else { 9531 // Successfully deleted the old package. Now proceed with re-installation 9532 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9533 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9534 System.currentTimeMillis(), user, abiOverride); 9535 if (newPackage == null) { 9536 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9537 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9538 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9539 } 9540 } else { 9541 updateSettingsLI(newPackage, 9542 installerPackageName, 9543 allUsers, perUserInstalled, 9544 res); 9545 updatedSettings = true; 9546 } 9547 } 9548 9549 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9550 // remove package from internal structures. Note that we want deletePackageX to 9551 // delete the package data and cache directories that it created in 9552 // scanPackageLocked, unless those directories existed before we even tried to 9553 // install. 9554 if(updatedSettings) { 9555 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9556 deletePackageLI( 9557 pkgName, null, true, allUsers, perUserInstalled, 9558 PackageManager.DELETE_KEEP_DATA, 9559 res.removedInfo, true); 9560 } 9561 // Since we failed to install the new package we need to restore the old 9562 // package that we deleted. 9563 if (deletedPkg) { 9564 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9565 File restoreFile = new File(deletedPackage.mPath); 9566 // Parse old package 9567 boolean oldOnSd = isExternal(deletedPackage); 9568 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9569 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9570 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9571 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9572 | SCAN_UPDATE_TIME; 9573 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9574 origUpdateTime, null, null) == null) { 9575 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9576 return; 9577 } 9578 // Restore of old package succeeded. Update permissions. 9579 // writer 9580 synchronized (mPackages) { 9581 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9582 UPDATE_PERMISSIONS_ALL); 9583 // can downgrade to reader 9584 mSettings.writeLPr(); 9585 } 9586 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9587 } 9588 } 9589 } 9590 9591 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9592 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9593 int[] allUsers, boolean[] perUserInstalled, 9594 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9595 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9596 + ", old=" + deletedPackage); 9597 PackageParser.Package newPackage = null; 9598 boolean updatedSettings = false; 9599 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9600 PackageParser.PARSE_IS_SYSTEM; 9601 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9602 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9603 } 9604 String packageName = deletedPackage.packageName; 9605 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9606 if (packageName == null) { 9607 Slog.w(TAG, "Attempt to delete null packageName."); 9608 return; 9609 } 9610 PackageParser.Package oldPkg; 9611 PackageSetting oldPkgSetting; 9612 // reader 9613 synchronized (mPackages) { 9614 oldPkg = mPackages.get(packageName); 9615 oldPkgSetting = mSettings.mPackages.get(packageName); 9616 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9617 (oldPkgSetting == null)) { 9618 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9619 return; 9620 } 9621 } 9622 9623 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9624 9625 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9626 res.removedInfo.removedPackage = packageName; 9627 // Remove existing system package 9628 removePackageLI(oldPkgSetting, true); 9629 // writer 9630 synchronized (mPackages) { 9631 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9632 // We didn't need to disable the .apk as a current system package, 9633 // which means we are replacing another update that is already 9634 // installed. We need to make sure to delete the older one's .apk. 9635 res.removedInfo.args = createInstallArgs(0, 9636 deletedPackage.applicationInfo.sourceDir, 9637 deletedPackage.applicationInfo.publicSourceDir, 9638 deletedPackage.applicationInfo.nativeLibraryDir, 9639 getAppInstructionSet(deletedPackage.applicationInfo)); 9640 } else { 9641 res.removedInfo.args = null; 9642 } 9643 } 9644 9645 // Successfully disabled the old package. Now proceed with re-installation 9646 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9647 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9648 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 9649 if (newPackage == null) { 9650 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9651 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9652 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9653 } 9654 } else { 9655 if (newPackage.mExtras != null) { 9656 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9657 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9658 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9659 } 9660 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9661 updatedSettings = true; 9662 } 9663 9664 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9665 // Re installation failed. Restore old information 9666 // Remove new pkg information 9667 if (newPackage != null) { 9668 removeInstalledPackageLI(newPackage, true); 9669 } 9670 // Add back the old system package 9671 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 9672 // Restore the old system information in Settings 9673 synchronized(mPackages) { 9674 if (updatedSettings) { 9675 mSettings.enableSystemPackageLPw(packageName); 9676 mSettings.setInstallerPackageName(packageName, 9677 oldPkgSetting.installerPackageName); 9678 } 9679 mSettings.writeLPr(); 9680 } 9681 } 9682 } 9683 9684 // Utility method used to move dex files during install. 9685 private int moveDexFilesLI(PackageParser.Package newPackage) { 9686 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9687 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 9688 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9689 instructionSet); 9690 if (retCode != 0) { 9691 /* 9692 * Programs may be lazily run through dexopt, so the 9693 * source may not exist. However, something seems to 9694 * have gone wrong, so note that dexopt needs to be 9695 * run again and remove the source file. In addition, 9696 * remove the target to make sure there isn't a stale 9697 * file from a previous version of the package. 9698 */ 9699 newPackage.mDexOptNeeded = true; 9700 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 9701 mInstaller.rmdex(newPackage.mPath, instructionSet); 9702 } 9703 } 9704 return PackageManager.INSTALL_SUCCEEDED; 9705 } 9706 9707 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9708 int[] allUsers, boolean[] perUserInstalled, 9709 PackageInstalledInfo res) { 9710 String pkgName = newPackage.packageName; 9711 synchronized (mPackages) { 9712 //write settings. the installStatus will be incomplete at this stage. 9713 //note that the new package setting would have already been 9714 //added to mPackages. It hasn't been persisted yet. 9715 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9716 mSettings.writeLPr(); 9717 } 9718 9719 if ((res.returnCode = moveDexFilesLI(newPackage)) 9720 != PackageManager.INSTALL_SUCCEEDED) { 9721 // Discontinue if moving dex files failed. 9722 return; 9723 } 9724 9725 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9726 9727 synchronized (mPackages) { 9728 updatePermissionsLPw(newPackage.packageName, newPackage, 9729 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9730 ? UPDATE_PERMISSIONS_ALL : 0)); 9731 // For system-bundled packages, we assume that installing an upgraded version 9732 // of the package implies that the user actually wants to run that new code, 9733 // so we enable the package. 9734 if (isSystemApp(newPackage)) { 9735 // NB: implicit assumption that system package upgrades apply to all users 9736 if (DEBUG_INSTALL) { 9737 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9738 } 9739 PackageSetting ps = mSettings.mPackages.get(pkgName); 9740 if (ps != null) { 9741 if (res.origUsers != null) { 9742 for (int userHandle : res.origUsers) { 9743 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9744 userHandle, installerPackageName); 9745 } 9746 } 9747 // Also convey the prior install/uninstall state 9748 if (allUsers != null && perUserInstalled != null) { 9749 for (int i = 0; i < allUsers.length; i++) { 9750 if (DEBUG_INSTALL) { 9751 Slog.d(TAG, " user " + allUsers[i] 9752 + " => " + perUserInstalled[i]); 9753 } 9754 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9755 } 9756 // these install state changes will be persisted in the 9757 // upcoming call to mSettings.writeLPr(). 9758 } 9759 } 9760 } 9761 res.name = pkgName; 9762 res.uid = newPackage.applicationInfo.uid; 9763 res.pkg = newPackage; 9764 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9765 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9766 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9767 //to update install status 9768 mSettings.writeLPr(); 9769 } 9770 } 9771 9772 private void installPackageLI(InstallArgs args, 9773 boolean newInstall, PackageInstalledInfo res) { 9774 int pFlags = args.flags; 9775 String installerPackageName = args.installerPackageName; 9776 File tmpPackageFile = new File(args.getCodePath()); 9777 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9778 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9779 boolean replace = false; 9780 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9781 | (newInstall ? SCAN_NEW_INSTALL : 0); 9782 // Result object to be returned 9783 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9784 9785 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9786 // Retrieve PackageSettings and parse package 9787 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9788 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9789 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9790 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9791 pp.setSeparateProcesses(mSeparateProcesses); 9792 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9793 null, mMetrics, parseFlags); 9794 if (pkg == null) { 9795 res.returnCode = pp.getParseError(); 9796 return; 9797 } 9798 String pkgName = res.name = pkg.packageName; 9799 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9800 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9801 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9802 return; 9803 } 9804 } 9805 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9806 res.returnCode = pp.getParseError(); 9807 return; 9808 } 9809 9810 /* If the installer passed in a manifest digest, compare it now. */ 9811 if (args.manifestDigest != null) { 9812 if (DEBUG_INSTALL) { 9813 final String parsedManifest = pkg.manifestDigest == null ? "null" 9814 : pkg.manifestDigest.toString(); 9815 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9816 + parsedManifest); 9817 } 9818 9819 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9820 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9821 return; 9822 } 9823 } else if (DEBUG_INSTALL) { 9824 final String parsedManifest = pkg.manifestDigest == null 9825 ? "null" : pkg.manifestDigest.toString(); 9826 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9827 } 9828 9829 // Get rid of all references to package scan path via parser. 9830 pp = null; 9831 String oldCodePath = null; 9832 boolean systemApp = false; 9833 synchronized (mPackages) { 9834 // Check if installing already existing package 9835 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9836 String oldName = mSettings.mRenamedPackages.get(pkgName); 9837 if (pkg.mOriginalPackages != null 9838 && pkg.mOriginalPackages.contains(oldName) 9839 && mPackages.containsKey(oldName)) { 9840 // This package is derived from an original package, 9841 // and this device has been updating from that original 9842 // name. We must continue using the original name, so 9843 // rename the new package here. 9844 pkg.setPackageName(oldName); 9845 pkgName = pkg.packageName; 9846 replace = true; 9847 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9848 + oldName + " pkgName=" + pkgName); 9849 } else if (mPackages.containsKey(pkgName)) { 9850 // This package, under its official name, already exists 9851 // on the device; we should replace it. 9852 replace = true; 9853 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9854 } 9855 } 9856 PackageSetting ps = mSettings.mPackages.get(pkgName); 9857 if (ps != null) { 9858 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9859 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9860 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9861 systemApp = (ps.pkg.applicationInfo.flags & 9862 ApplicationInfo.FLAG_SYSTEM) != 0; 9863 } 9864 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9865 } 9866 } 9867 9868 if (systemApp && onSd) { 9869 // Disable updates to system apps on sdcard 9870 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9871 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9872 return; 9873 } 9874 9875 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9876 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9877 return; 9878 } 9879 // Set application objects path explicitly after the rename 9880 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9881 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9882 if (replace) { 9883 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9884 installerPackageName, res, args.abiOverride); 9885 } else { 9886 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9887 installerPackageName, res, args.abiOverride); 9888 } 9889 synchronized (mPackages) { 9890 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9891 if (ps != null) { 9892 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9893 } 9894 } 9895 } 9896 9897 private static boolean isForwardLocked(PackageParser.Package pkg) { 9898 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9899 } 9900 9901 9902 private boolean isForwardLocked(PackageSetting ps) { 9903 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9904 } 9905 9906 private static boolean isExternal(PackageParser.Package pkg) { 9907 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9908 } 9909 9910 private static boolean isExternal(PackageSetting ps) { 9911 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9912 } 9913 9914 private static boolean isSystemApp(PackageParser.Package pkg) { 9915 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9916 } 9917 9918 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9919 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9920 } 9921 9922 private static boolean isSystemApp(ApplicationInfo info) { 9923 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9924 } 9925 9926 private static boolean isSystemApp(PackageSetting ps) { 9927 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9928 } 9929 9930 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9931 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9932 } 9933 9934 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9935 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9936 } 9937 9938 private int packageFlagsToInstallFlags(PackageSetting ps) { 9939 int installFlags = 0; 9940 if (isExternal(ps)) { 9941 installFlags |= PackageManager.INSTALL_EXTERNAL; 9942 } 9943 if (isForwardLocked(ps)) { 9944 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9945 } 9946 return installFlags; 9947 } 9948 9949 private void deleteTempPackageFiles() { 9950 final FilenameFilter filter = new FilenameFilter() { 9951 public boolean accept(File dir, String name) { 9952 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9953 } 9954 }; 9955 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9956 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9957 } 9958 9959 private static final void deleteTempPackageFilesInDirectory(File directory, 9960 FilenameFilter filter) { 9961 final String[] tmpFilesList = directory.list(filter); 9962 if (tmpFilesList == null) { 9963 return; 9964 } 9965 for (int i = 0; i < tmpFilesList.length; i++) { 9966 final File tmpFile = new File(directory, tmpFilesList[i]); 9967 tmpFile.delete(); 9968 } 9969 } 9970 9971 private File createTempPackageFile(File installDir) { 9972 File tmpPackageFile; 9973 try { 9974 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9975 } catch (IOException e) { 9976 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9977 return null; 9978 } 9979 try { 9980 FileUtils.setPermissions( 9981 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9982 -1, -1); 9983 if (!SELinux.restorecon(tmpPackageFile)) { 9984 return null; 9985 } 9986 } catch (IOException e) { 9987 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9988 return null; 9989 } 9990 return tmpPackageFile; 9991 } 9992 9993 @Override 9994 public void deletePackageAsUser(final String packageName, 9995 final IPackageDeleteObserver observer, 9996 final int userId, final int flags) { 9997 mContext.enforceCallingOrSelfPermission( 9998 android.Manifest.permission.DELETE_PACKAGES, null); 9999 final int uid = Binder.getCallingUid(); 10000 if (UserHandle.getUserId(uid) != userId) { 10001 mContext.enforceCallingPermission( 10002 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10003 "deletePackage for user " + userId); 10004 } 10005 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10006 try { 10007 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10008 } catch (RemoteException re) { 10009 } 10010 return; 10011 } 10012 10013 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10014 // Queue up an async operation since the package deletion may take a little while. 10015 mHandler.post(new Runnable() { 10016 public void run() { 10017 mHandler.removeCallbacks(this); 10018 final int returnCode = deletePackageX(packageName, userId, flags); 10019 if (observer != null) { 10020 try { 10021 observer.packageDeleted(packageName, returnCode); 10022 } catch (RemoteException e) { 10023 Log.i(TAG, "Observer no longer exists."); 10024 } //end catch 10025 } //end if 10026 } //end run 10027 }); 10028 } 10029 10030 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10031 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10032 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10033 try { 10034 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10035 || dpm.isDeviceOwner(packageName))) { 10036 return true; 10037 } 10038 } catch (RemoteException e) { 10039 } 10040 return false; 10041 } 10042 10043 /** 10044 * This method is an internal method that could be get invoked either 10045 * to delete an installed package or to clean up a failed installation. 10046 * After deleting an installed package, a broadcast is sent to notify any 10047 * listeners that the package has been installed. For cleaning up a failed 10048 * installation, the broadcast is not necessary since the package's 10049 * installation wouldn't have sent the initial broadcast either 10050 * The key steps in deleting a package are 10051 * deleting the package information in internal structures like mPackages, 10052 * deleting the packages base directories through installd 10053 * updating mSettings to reflect current status 10054 * persisting settings for later use 10055 * sending a broadcast if necessary 10056 */ 10057 private int deletePackageX(String packageName, int userId, int flags) { 10058 final PackageRemovedInfo info = new PackageRemovedInfo(); 10059 final boolean res; 10060 10061 if (isPackageDeviceAdmin(packageName, userId)) { 10062 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10063 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10064 } 10065 10066 boolean removedForAllUsers = false; 10067 boolean systemUpdate = false; 10068 10069 // for the uninstall-updates case and restricted profiles, remember the per- 10070 // userhandle installed state 10071 int[] allUsers; 10072 boolean[] perUserInstalled; 10073 synchronized (mPackages) { 10074 PackageSetting ps = mSettings.mPackages.get(packageName); 10075 allUsers = sUserManager.getUserIds(); 10076 perUserInstalled = new boolean[allUsers.length]; 10077 for (int i = 0; i < allUsers.length; i++) { 10078 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10079 } 10080 } 10081 10082 synchronized (mInstallLock) { 10083 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10084 res = deletePackageLI(packageName, 10085 (flags & PackageManager.DELETE_ALL_USERS) != 0 10086 ? UserHandle.ALL : new UserHandle(userId), 10087 true, allUsers, perUserInstalled, 10088 flags | REMOVE_CHATTY, info, true); 10089 systemUpdate = info.isRemovedPackageSystemUpdate; 10090 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10091 removedForAllUsers = true; 10092 } 10093 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10094 + " removedForAllUsers=" + removedForAllUsers); 10095 } 10096 10097 if (res) { 10098 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10099 10100 // If the removed package was a system update, the old system package 10101 // was re-enabled; we need to broadcast this information 10102 if (systemUpdate) { 10103 Bundle extras = new Bundle(1); 10104 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10105 ? info.removedAppId : info.uid); 10106 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10107 10108 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10109 extras, null, null, null); 10110 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10111 extras, null, null, null); 10112 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10113 null, packageName, null, null); 10114 } 10115 } 10116 // Force a gc here. 10117 Runtime.getRuntime().gc(); 10118 // Delete the resources here after sending the broadcast to let 10119 // other processes clean up before deleting resources. 10120 if (info.args != null) { 10121 synchronized (mInstallLock) { 10122 info.args.doPostDeleteLI(true); 10123 } 10124 } 10125 10126 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10127 } 10128 10129 static class PackageRemovedInfo { 10130 String removedPackage; 10131 int uid = -1; 10132 int removedAppId = -1; 10133 int[] removedUsers = null; 10134 boolean isRemovedPackageSystemUpdate = false; 10135 // Clean up resources deleted packages. 10136 InstallArgs args = null; 10137 10138 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10139 Bundle extras = new Bundle(1); 10140 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10141 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10142 if (replacing) { 10143 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10144 } 10145 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10146 if (removedPackage != null) { 10147 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10148 extras, null, null, removedUsers); 10149 if (fullRemove && !replacing) { 10150 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10151 extras, null, null, removedUsers); 10152 } 10153 } 10154 if (removedAppId >= 0) { 10155 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10156 removedUsers); 10157 } 10158 } 10159 } 10160 10161 /* 10162 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10163 * flag is not set, the data directory is removed as well. 10164 * make sure this flag is set for partially installed apps. If not its meaningless to 10165 * delete a partially installed application. 10166 */ 10167 private void removePackageDataLI(PackageSetting ps, 10168 int[] allUserHandles, boolean[] perUserInstalled, 10169 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10170 String packageName = ps.name; 10171 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10172 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10173 // Retrieve object to delete permissions for shared user later on 10174 final PackageSetting deletedPs; 10175 // reader 10176 synchronized (mPackages) { 10177 deletedPs = mSettings.mPackages.get(packageName); 10178 if (outInfo != null) { 10179 outInfo.removedPackage = packageName; 10180 outInfo.removedUsers = deletedPs != null 10181 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10182 : null; 10183 } 10184 } 10185 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10186 removeDataDirsLI(packageName); 10187 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10188 } 10189 // writer 10190 synchronized (mPackages) { 10191 if (deletedPs != null) { 10192 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10193 if (outInfo != null) { 10194 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10195 } 10196 if (deletedPs != null) { 10197 updatePermissionsLPw(deletedPs.name, null, 0); 10198 if (deletedPs.sharedUser != null) { 10199 // remove permissions associated with package 10200 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10201 } 10202 } 10203 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10204 } 10205 // make sure to preserve per-user disabled state if this removal was just 10206 // a downgrade of a system app to the factory package 10207 if (allUserHandles != null && perUserInstalled != null) { 10208 if (DEBUG_REMOVE) { 10209 Slog.d(TAG, "Propagating install state across downgrade"); 10210 } 10211 for (int i = 0; i < allUserHandles.length; i++) { 10212 if (DEBUG_REMOVE) { 10213 Slog.d(TAG, " user " + allUserHandles[i] 10214 + " => " + perUserInstalled[i]); 10215 } 10216 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10217 } 10218 } 10219 } 10220 // can downgrade to reader 10221 if (writeSettings) { 10222 // Save settings now 10223 mSettings.writeLPr(); 10224 } 10225 } 10226 if (outInfo != null) { 10227 // A user ID was deleted here. Go through all users and remove it 10228 // from KeyStore. 10229 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10230 } 10231 } 10232 10233 static boolean locationIsPrivileged(File path) { 10234 try { 10235 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10236 .getCanonicalPath(); 10237 return path.getCanonicalPath().startsWith(privilegedAppDir); 10238 } catch (IOException e) { 10239 Slog.e(TAG, "Unable to access code path " + path); 10240 } 10241 return false; 10242 } 10243 10244 /* 10245 * Tries to delete system package. 10246 */ 10247 private boolean deleteSystemPackageLI(PackageSetting newPs, 10248 int[] allUserHandles, boolean[] perUserInstalled, 10249 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10250 final boolean applyUserRestrictions 10251 = (allUserHandles != null) && (perUserInstalled != null); 10252 PackageSetting disabledPs = null; 10253 // Confirm if the system package has been updated 10254 // An updated system app can be deleted. This will also have to restore 10255 // the system pkg from system partition 10256 // reader 10257 synchronized (mPackages) { 10258 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10259 } 10260 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10261 + " disabledPs=" + disabledPs); 10262 if (disabledPs == null) { 10263 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10264 return false; 10265 } else if (DEBUG_REMOVE) { 10266 Slog.d(TAG, "Deleting system pkg from data partition"); 10267 } 10268 if (DEBUG_REMOVE) { 10269 if (applyUserRestrictions) { 10270 Slog.d(TAG, "Remembering install states:"); 10271 for (int i = 0; i < allUserHandles.length; i++) { 10272 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10273 } 10274 } 10275 } 10276 // Delete the updated package 10277 outInfo.isRemovedPackageSystemUpdate = true; 10278 if (disabledPs.versionCode < newPs.versionCode) { 10279 // Delete data for downgrades 10280 flags &= ~PackageManager.DELETE_KEEP_DATA; 10281 } else { 10282 // Preserve data by setting flag 10283 flags |= PackageManager.DELETE_KEEP_DATA; 10284 } 10285 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10286 allUserHandles, perUserInstalled, outInfo, writeSettings); 10287 if (!ret) { 10288 return false; 10289 } 10290 // writer 10291 synchronized (mPackages) { 10292 // Reinstate the old system package 10293 mSettings.enableSystemPackageLPw(newPs.name); 10294 // Remove any native libraries from the upgraded package. 10295 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10296 } 10297 // Install the system package 10298 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10299 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10300 if (locationIsPrivileged(disabledPs.codePath)) { 10301 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10302 } 10303 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10304 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10305 10306 if (newPkg == null) { 10307 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10308 + " with error:" + mLastScanError); 10309 return false; 10310 } 10311 // writer 10312 synchronized (mPackages) { 10313 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10314 setInternalAppNativeLibraryPath(newPkg, ps); 10315 updatePermissionsLPw(newPkg.packageName, newPkg, 10316 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10317 if (applyUserRestrictions) { 10318 if (DEBUG_REMOVE) { 10319 Slog.d(TAG, "Propagating install state across reinstall"); 10320 } 10321 for (int i = 0; i < allUserHandles.length; i++) { 10322 if (DEBUG_REMOVE) { 10323 Slog.d(TAG, " user " + allUserHandles[i] 10324 + " => " + perUserInstalled[i]); 10325 } 10326 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10327 } 10328 // Regardless of writeSettings we need to ensure that this restriction 10329 // state propagation is persisted 10330 mSettings.writeAllUsersPackageRestrictionsLPr(); 10331 } 10332 // can downgrade to reader here 10333 if (writeSettings) { 10334 mSettings.writeLPr(); 10335 } 10336 } 10337 return true; 10338 } 10339 10340 private boolean deleteInstalledPackageLI(PackageSetting ps, 10341 boolean deleteCodeAndResources, int flags, 10342 int[] allUserHandles, boolean[] perUserInstalled, 10343 PackageRemovedInfo outInfo, boolean writeSettings) { 10344 if (outInfo != null) { 10345 outInfo.uid = ps.appId; 10346 } 10347 10348 // Delete package data from internal structures and also remove data if flag is set 10349 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10350 10351 // Delete application code and resources 10352 if (deleteCodeAndResources && (outInfo != null)) { 10353 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10354 ps.resourcePathString, ps.nativeLibraryPathString, 10355 getAppInstructionSetFromSettings(ps)); 10356 } 10357 return true; 10358 } 10359 10360 /* 10361 * This method handles package deletion in general 10362 */ 10363 private boolean deletePackageLI(String packageName, UserHandle user, 10364 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10365 int flags, PackageRemovedInfo outInfo, 10366 boolean writeSettings) { 10367 if (packageName == null) { 10368 Slog.w(TAG, "Attempt to delete null packageName."); 10369 return false; 10370 } 10371 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10372 PackageSetting ps; 10373 boolean dataOnly = false; 10374 int removeUser = -1; 10375 int appId = -1; 10376 synchronized (mPackages) { 10377 ps = mSettings.mPackages.get(packageName); 10378 if (ps == null) { 10379 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10380 return false; 10381 } 10382 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10383 && user.getIdentifier() != UserHandle.USER_ALL) { 10384 // The caller is asking that the package only be deleted for a single 10385 // user. To do this, we just mark its uninstalled state and delete 10386 // its data. If this is a system app, we only allow this to happen if 10387 // they have set the special DELETE_SYSTEM_APP which requests different 10388 // semantics than normal for uninstalling system apps. 10389 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10390 ps.setUserState(user.getIdentifier(), 10391 COMPONENT_ENABLED_STATE_DEFAULT, 10392 false, //installed 10393 true, //stopped 10394 true, //notLaunched 10395 false, //blocked 10396 null, null, null); 10397 if (!isSystemApp(ps)) { 10398 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10399 // Other user still have this package installed, so all 10400 // we need to do is clear this user's data and save that 10401 // it is uninstalled. 10402 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10403 removeUser = user.getIdentifier(); 10404 appId = ps.appId; 10405 mSettings.writePackageRestrictionsLPr(removeUser); 10406 } else { 10407 // We need to set it back to 'installed' so the uninstall 10408 // broadcasts will be sent correctly. 10409 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10410 ps.setInstalled(true, user.getIdentifier()); 10411 } 10412 } else { 10413 // This is a system app, so we assume that the 10414 // other users still have this package installed, so all 10415 // we need to do is clear this user's data and save that 10416 // it is uninstalled. 10417 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10418 removeUser = user.getIdentifier(); 10419 appId = ps.appId; 10420 mSettings.writePackageRestrictionsLPr(removeUser); 10421 } 10422 } 10423 } 10424 10425 if (removeUser >= 0) { 10426 // From above, we determined that we are deleting this only 10427 // for a single user. Continue the work here. 10428 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10429 if (outInfo != null) { 10430 outInfo.removedPackage = packageName; 10431 outInfo.removedAppId = appId; 10432 outInfo.removedUsers = new int[] {removeUser}; 10433 } 10434 mInstaller.clearUserData(packageName, removeUser); 10435 removeKeystoreDataIfNeeded(removeUser, appId); 10436 schedulePackageCleaning(packageName, removeUser, false); 10437 return true; 10438 } 10439 10440 if (dataOnly) { 10441 // Delete application data first 10442 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10443 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10444 return true; 10445 } 10446 10447 boolean ret = false; 10448 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10449 if (isSystemApp(ps)) { 10450 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10451 // When an updated system application is deleted we delete the existing resources as well and 10452 // fall back to existing code in system partition 10453 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10454 flags, outInfo, writeSettings); 10455 } else { 10456 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10457 // Kill application pre-emptively especially for apps on sd. 10458 killApplication(packageName, ps.appId, "uninstall pkg"); 10459 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10460 allUserHandles, perUserInstalled, 10461 outInfo, writeSettings); 10462 } 10463 10464 return ret; 10465 } 10466 10467 private final class ClearStorageConnection implements ServiceConnection { 10468 IMediaContainerService mContainerService; 10469 10470 @Override 10471 public void onServiceConnected(ComponentName name, IBinder service) { 10472 synchronized (this) { 10473 mContainerService = IMediaContainerService.Stub.asInterface(service); 10474 notifyAll(); 10475 } 10476 } 10477 10478 @Override 10479 public void onServiceDisconnected(ComponentName name) { 10480 } 10481 } 10482 10483 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10484 final boolean mounted; 10485 if (Environment.isExternalStorageEmulated()) { 10486 mounted = true; 10487 } else { 10488 final String status = Environment.getExternalStorageState(); 10489 10490 mounted = status.equals(Environment.MEDIA_MOUNTED) 10491 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10492 } 10493 10494 if (!mounted) { 10495 return; 10496 } 10497 10498 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10499 int[] users; 10500 if (userId == UserHandle.USER_ALL) { 10501 users = sUserManager.getUserIds(); 10502 } else { 10503 users = new int[] { userId }; 10504 } 10505 final ClearStorageConnection conn = new ClearStorageConnection(); 10506 if (mContext.bindServiceAsUser( 10507 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10508 try { 10509 for (int curUser : users) { 10510 long timeout = SystemClock.uptimeMillis() + 5000; 10511 synchronized (conn) { 10512 long now = SystemClock.uptimeMillis(); 10513 while (conn.mContainerService == null && now < timeout) { 10514 try { 10515 conn.wait(timeout - now); 10516 } catch (InterruptedException e) { 10517 } 10518 } 10519 } 10520 if (conn.mContainerService == null) { 10521 return; 10522 } 10523 10524 final UserEnvironment userEnv = new UserEnvironment(curUser); 10525 clearDirectory(conn.mContainerService, 10526 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10527 if (allData) { 10528 clearDirectory(conn.mContainerService, 10529 userEnv.buildExternalStorageAppDataDirs(packageName)); 10530 clearDirectory(conn.mContainerService, 10531 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10532 } 10533 } 10534 } finally { 10535 mContext.unbindService(conn); 10536 } 10537 } 10538 } 10539 10540 @Override 10541 public void clearApplicationUserData(final String packageName, 10542 final IPackageDataObserver observer, final int userId) { 10543 mContext.enforceCallingOrSelfPermission( 10544 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10545 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10546 // Queue up an async operation since the package deletion may take a little while. 10547 mHandler.post(new Runnable() { 10548 public void run() { 10549 mHandler.removeCallbacks(this); 10550 final boolean succeeded; 10551 synchronized (mInstallLock) { 10552 succeeded = clearApplicationUserDataLI(packageName, userId); 10553 } 10554 clearExternalStorageDataSync(packageName, userId, true); 10555 if (succeeded) { 10556 // invoke DeviceStorageMonitor's update method to clear any notifications 10557 DeviceStorageMonitorInternal 10558 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10559 if (dsm != null) { 10560 dsm.checkMemory(); 10561 } 10562 } 10563 if(observer != null) { 10564 try { 10565 observer.onRemoveCompleted(packageName, succeeded); 10566 } catch (RemoteException e) { 10567 Log.i(TAG, "Observer no longer exists."); 10568 } 10569 } //end if observer 10570 } //end run 10571 }); 10572 } 10573 10574 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10575 if (packageName == null) { 10576 Slog.w(TAG, "Attempt to delete null packageName."); 10577 return false; 10578 } 10579 PackageParser.Package p; 10580 boolean dataOnly = false; 10581 final int appId; 10582 synchronized (mPackages) { 10583 p = mPackages.get(packageName); 10584 if (p == null) { 10585 dataOnly = true; 10586 PackageSetting ps = mSettings.mPackages.get(packageName); 10587 if ((ps == null) || (ps.pkg == null)) { 10588 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10589 return false; 10590 } 10591 p = ps.pkg; 10592 } 10593 if (!dataOnly) { 10594 // need to check this only for fully installed applications 10595 if (p == null) { 10596 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10597 return false; 10598 } 10599 final ApplicationInfo applicationInfo = p.applicationInfo; 10600 if (applicationInfo == null) { 10601 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10602 return false; 10603 } 10604 } 10605 if (p != null && p.applicationInfo != null) { 10606 appId = p.applicationInfo.uid; 10607 } else { 10608 appId = -1; 10609 } 10610 } 10611 int retCode = mInstaller.clearUserData(packageName, userId); 10612 if (retCode < 0) { 10613 Slog.w(TAG, "Couldn't remove cache files for package: " 10614 + packageName); 10615 return false; 10616 } 10617 removeKeystoreDataIfNeeded(userId, appId); 10618 return true; 10619 } 10620 10621 /** 10622 * Remove entries from the keystore daemon. Will only remove it if the 10623 * {@code appId} is valid. 10624 */ 10625 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10626 if (appId < 0) { 10627 return; 10628 } 10629 10630 final KeyStore keyStore = KeyStore.getInstance(); 10631 if (keyStore != null) { 10632 if (userId == UserHandle.USER_ALL) { 10633 for (final int individual : sUserManager.getUserIds()) { 10634 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10635 } 10636 } else { 10637 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10638 } 10639 } else { 10640 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10641 } 10642 } 10643 10644 @Override 10645 public void deleteApplicationCacheFiles(final String packageName, 10646 final IPackageDataObserver observer) { 10647 mContext.enforceCallingOrSelfPermission( 10648 android.Manifest.permission.DELETE_CACHE_FILES, null); 10649 // Queue up an async operation since the package deletion may take a little while. 10650 final int userId = UserHandle.getCallingUserId(); 10651 mHandler.post(new Runnable() { 10652 public void run() { 10653 mHandler.removeCallbacks(this); 10654 final boolean succeded; 10655 synchronized (mInstallLock) { 10656 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10657 } 10658 clearExternalStorageDataSync(packageName, userId, false); 10659 if(observer != null) { 10660 try { 10661 observer.onRemoveCompleted(packageName, succeded); 10662 } catch (RemoteException e) { 10663 Log.i(TAG, "Observer no longer exists."); 10664 } 10665 } //end if observer 10666 } //end run 10667 }); 10668 } 10669 10670 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10671 if (packageName == null) { 10672 Slog.w(TAG, "Attempt to delete null packageName."); 10673 return false; 10674 } 10675 PackageParser.Package p; 10676 synchronized (mPackages) { 10677 p = mPackages.get(packageName); 10678 } 10679 if (p == null) { 10680 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10681 return false; 10682 } 10683 final ApplicationInfo applicationInfo = p.applicationInfo; 10684 if (applicationInfo == null) { 10685 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10686 return false; 10687 } 10688 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10689 if (retCode < 0) { 10690 Slog.w(TAG, "Couldn't remove cache files for package: " 10691 + packageName + " u" + userId); 10692 return false; 10693 } 10694 return true; 10695 } 10696 10697 @Override 10698 public void getPackageSizeInfo(final String packageName, int userHandle, 10699 final IPackageStatsObserver observer) { 10700 mContext.enforceCallingOrSelfPermission( 10701 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10702 10703 PackageStats stats = new PackageStats(packageName, userHandle); 10704 10705 /* 10706 * Queue up an async operation since the package measurement may take a 10707 * little while. 10708 */ 10709 Message msg = mHandler.obtainMessage(INIT_COPY); 10710 msg.obj = new MeasureParams(stats, observer); 10711 mHandler.sendMessage(msg); 10712 } 10713 10714 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10715 PackageStats pStats) { 10716 if (packageName == null) { 10717 Slog.w(TAG, "Attempt to get size of null packageName."); 10718 return false; 10719 } 10720 PackageParser.Package p; 10721 boolean dataOnly = false; 10722 String libDirPath = null; 10723 String asecPath = null; 10724 PackageSetting ps = null; 10725 synchronized (mPackages) { 10726 p = mPackages.get(packageName); 10727 ps = mSettings.mPackages.get(packageName); 10728 if(p == null) { 10729 dataOnly = true; 10730 if((ps == null) || (ps.pkg == null)) { 10731 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10732 return false; 10733 } 10734 p = ps.pkg; 10735 } 10736 if (ps != null) { 10737 libDirPath = ps.nativeLibraryPathString; 10738 } 10739 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10740 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10741 if (secureContainerId != null) { 10742 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10743 } 10744 } 10745 } 10746 String publicSrcDir = null; 10747 if(!dataOnly) { 10748 final ApplicationInfo applicationInfo = p.applicationInfo; 10749 if (applicationInfo == null) { 10750 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10751 return false; 10752 } 10753 if (isForwardLocked(p)) { 10754 publicSrcDir = applicationInfo.publicSourceDir; 10755 } 10756 } 10757 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10758 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 10759 pStats); 10760 if (res < 0) { 10761 return false; 10762 } 10763 10764 // Fix-up for forward-locked applications in ASEC containers. 10765 if (!isExternal(p)) { 10766 pStats.codeSize += pStats.externalCodeSize; 10767 pStats.externalCodeSize = 0L; 10768 } 10769 10770 return true; 10771 } 10772 10773 10774 @Override 10775 public void addPackageToPreferred(String packageName) { 10776 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10777 } 10778 10779 @Override 10780 public void removePackageFromPreferred(String packageName) { 10781 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10782 } 10783 10784 @Override 10785 public List<PackageInfo> getPreferredPackages(int flags) { 10786 return new ArrayList<PackageInfo>(); 10787 } 10788 10789 private int getUidTargetSdkVersionLockedLPr(int uid) { 10790 Object obj = mSettings.getUserIdLPr(uid); 10791 if (obj instanceof SharedUserSetting) { 10792 final SharedUserSetting sus = (SharedUserSetting) obj; 10793 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10794 final Iterator<PackageSetting> it = sus.packages.iterator(); 10795 while (it.hasNext()) { 10796 final PackageSetting ps = it.next(); 10797 if (ps.pkg != null) { 10798 int v = ps.pkg.applicationInfo.targetSdkVersion; 10799 if (v < vers) vers = v; 10800 } 10801 } 10802 return vers; 10803 } else if (obj instanceof PackageSetting) { 10804 final PackageSetting ps = (PackageSetting) obj; 10805 if (ps.pkg != null) { 10806 return ps.pkg.applicationInfo.targetSdkVersion; 10807 } 10808 } 10809 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10810 } 10811 10812 @Override 10813 public void addPreferredActivity(IntentFilter filter, int match, 10814 ComponentName[] set, ComponentName activity, int userId) { 10815 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10816 } 10817 10818 private void addPreferredActivityInternal(IntentFilter filter, int match, 10819 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10820 // writer 10821 int callingUid = Binder.getCallingUid(); 10822 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10823 if (filter.countActions() == 0) { 10824 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10825 return; 10826 } 10827 synchronized (mPackages) { 10828 if (mContext.checkCallingOrSelfPermission( 10829 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10830 != PackageManager.PERMISSION_GRANTED) { 10831 if (getUidTargetSdkVersionLockedLPr(callingUid) 10832 < Build.VERSION_CODES.FROYO) { 10833 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10834 + callingUid); 10835 return; 10836 } 10837 mContext.enforceCallingOrSelfPermission( 10838 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10839 } 10840 10841 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10842 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10843 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10844 new PreferredActivity(filter, match, set, activity, always)); 10845 mSettings.writePackageRestrictionsLPr(userId); 10846 } 10847 } 10848 10849 @Override 10850 public void replacePreferredActivity(IntentFilter filter, int match, 10851 ComponentName[] set, ComponentName activity) { 10852 if (filter.countActions() != 1) { 10853 throw new IllegalArgumentException( 10854 "replacePreferredActivity expects filter to have only 1 action."); 10855 } 10856 if (filter.countDataAuthorities() != 0 10857 || filter.countDataPaths() != 0 10858 || filter.countDataSchemes() > 1 10859 || filter.countDataTypes() != 0) { 10860 throw new IllegalArgumentException( 10861 "replacePreferredActivity expects filter to have no data authorities, " + 10862 "paths, or types; and at most one scheme."); 10863 } 10864 synchronized (mPackages) { 10865 if (mContext.checkCallingOrSelfPermission( 10866 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10867 != PackageManager.PERMISSION_GRANTED) { 10868 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10869 < Build.VERSION_CODES.FROYO) { 10870 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10871 + Binder.getCallingUid()); 10872 return; 10873 } 10874 mContext.enforceCallingOrSelfPermission( 10875 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10876 } 10877 10878 final int callingUserId = UserHandle.getCallingUserId(); 10879 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10880 if (pir != null) { 10881 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10882 if (filter.countDataSchemes() == 1) { 10883 Uri.Builder builder = new Uri.Builder(); 10884 builder.scheme(filter.getDataScheme(0)); 10885 intent.setData(builder.build()); 10886 } 10887 List<PreferredActivity> matches = pir.queryIntent( 10888 intent, null, true, callingUserId); 10889 if (DEBUG_PREFERRED) { 10890 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10891 } 10892 for (int i = 0; i < matches.size(); i++) { 10893 PreferredActivity pa = matches.get(i); 10894 if (DEBUG_PREFERRED) { 10895 Slog.i(TAG, "Removing preferred activity " 10896 + pa.mPref.mComponent + ":"); 10897 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10898 } 10899 pir.removeFilter(pa); 10900 } 10901 } 10902 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10903 } 10904 } 10905 10906 @Override 10907 public void clearPackagePreferredActivities(String packageName) { 10908 final int uid = Binder.getCallingUid(); 10909 // writer 10910 synchronized (mPackages) { 10911 PackageParser.Package pkg = mPackages.get(packageName); 10912 if (pkg == null || pkg.applicationInfo.uid != uid) { 10913 if (mContext.checkCallingOrSelfPermission( 10914 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10915 != PackageManager.PERMISSION_GRANTED) { 10916 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10917 < Build.VERSION_CODES.FROYO) { 10918 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10919 + Binder.getCallingUid()); 10920 return; 10921 } 10922 mContext.enforceCallingOrSelfPermission( 10923 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10924 } 10925 } 10926 10927 int user = UserHandle.getCallingUserId(); 10928 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10929 mSettings.writePackageRestrictionsLPr(user); 10930 scheduleWriteSettingsLocked(); 10931 } 10932 } 10933 } 10934 10935 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10936 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10937 ArrayList<PreferredActivity> removed = null; 10938 boolean changed = false; 10939 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10940 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10941 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10942 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10943 continue; 10944 } 10945 Iterator<PreferredActivity> it = pir.filterIterator(); 10946 while (it.hasNext()) { 10947 PreferredActivity pa = it.next(); 10948 // Mark entry for removal only if it matches the package name 10949 // and the entry is of type "always". 10950 if (packageName == null || 10951 (pa.mPref.mComponent.getPackageName().equals(packageName) 10952 && pa.mPref.mAlways)) { 10953 if (removed == null) { 10954 removed = new ArrayList<PreferredActivity>(); 10955 } 10956 removed.add(pa); 10957 } 10958 } 10959 if (removed != null) { 10960 for (int j=0; j<removed.size(); j++) { 10961 PreferredActivity pa = removed.get(j); 10962 pir.removeFilter(pa); 10963 } 10964 changed = true; 10965 } 10966 } 10967 return changed; 10968 } 10969 10970 @Override 10971 public void resetPreferredActivities(int userId) { 10972 mContext.enforceCallingOrSelfPermission( 10973 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10974 // writer 10975 synchronized (mPackages) { 10976 int user = UserHandle.getCallingUserId(); 10977 clearPackagePreferredActivitiesLPw(null, user); 10978 mSettings.readDefaultPreferredAppsLPw(this, user); 10979 mSettings.writePackageRestrictionsLPr(user); 10980 scheduleWriteSettingsLocked(); 10981 } 10982 } 10983 10984 @Override 10985 public int getPreferredActivities(List<IntentFilter> outFilters, 10986 List<ComponentName> outActivities, String packageName) { 10987 10988 int num = 0; 10989 final int userId = UserHandle.getCallingUserId(); 10990 // reader 10991 synchronized (mPackages) { 10992 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10993 if (pir != null) { 10994 final Iterator<PreferredActivity> it = pir.filterIterator(); 10995 while (it.hasNext()) { 10996 final PreferredActivity pa = it.next(); 10997 if (packageName == null 10998 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10999 && pa.mPref.mAlways)) { 11000 if (outFilters != null) { 11001 outFilters.add(new IntentFilter(pa)); 11002 } 11003 if (outActivities != null) { 11004 outActivities.add(pa.mPref.mComponent); 11005 } 11006 } 11007 } 11008 } 11009 } 11010 11011 return num; 11012 } 11013 11014 @Override 11015 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11016 Intent intent = new Intent(Intent.ACTION_MAIN); 11017 intent.addCategory(Intent.CATEGORY_HOME); 11018 11019 final int callingUserId = UserHandle.getCallingUserId(); 11020 List<ResolveInfo> list = queryIntentActivities(intent, null, 11021 PackageManager.GET_META_DATA, callingUserId); 11022 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11023 true, false, false, callingUserId); 11024 11025 allHomeCandidates.clear(); 11026 if (list != null) { 11027 for (ResolveInfo ri : list) { 11028 allHomeCandidates.add(ri); 11029 } 11030 } 11031 return (preferred == null || preferred.activityInfo == null) 11032 ? null 11033 : new ComponentName(preferred.activityInfo.packageName, 11034 preferred.activityInfo.name); 11035 } 11036 11037 @Override 11038 public void setApplicationEnabledSetting(String appPackageName, 11039 int newState, int flags, int userId, String callingPackage) { 11040 if (!sUserManager.exists(userId)) return; 11041 if (callingPackage == null) { 11042 callingPackage = Integer.toString(Binder.getCallingUid()); 11043 } 11044 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11045 } 11046 11047 @Override 11048 public void setComponentEnabledSetting(ComponentName componentName, 11049 int newState, int flags, int userId) { 11050 if (!sUserManager.exists(userId)) return; 11051 setEnabledSetting(componentName.getPackageName(), 11052 componentName.getClassName(), newState, flags, userId, null); 11053 } 11054 11055 private void setEnabledSetting(final String packageName, String className, int newState, 11056 final int flags, int userId, String callingPackage) { 11057 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11058 || newState == COMPONENT_ENABLED_STATE_ENABLED 11059 || newState == COMPONENT_ENABLED_STATE_DISABLED 11060 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11061 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11062 throw new IllegalArgumentException("Invalid new component state: " 11063 + newState); 11064 } 11065 PackageSetting pkgSetting; 11066 final int uid = Binder.getCallingUid(); 11067 final int permission = mContext.checkCallingOrSelfPermission( 11068 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11069 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11070 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11071 boolean sendNow = false; 11072 boolean isApp = (className == null); 11073 String componentName = isApp ? packageName : className; 11074 int packageUid = -1; 11075 ArrayList<String> components; 11076 11077 // writer 11078 synchronized (mPackages) { 11079 pkgSetting = mSettings.mPackages.get(packageName); 11080 if (pkgSetting == null) { 11081 if (className == null) { 11082 throw new IllegalArgumentException( 11083 "Unknown package: " + packageName); 11084 } 11085 throw new IllegalArgumentException( 11086 "Unknown component: " + packageName 11087 + "/" + className); 11088 } 11089 // Allow root and verify that userId is not being specified by a different user 11090 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11091 throw new SecurityException( 11092 "Permission Denial: attempt to change component state from pid=" 11093 + Binder.getCallingPid() 11094 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11095 } 11096 if (className == null) { 11097 // We're dealing with an application/package level state change 11098 if (pkgSetting.getEnabled(userId) == newState) { 11099 // Nothing to do 11100 return; 11101 } 11102 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11103 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11104 // Don't care about who enables an app. 11105 callingPackage = null; 11106 } 11107 pkgSetting.setEnabled(newState, userId, callingPackage); 11108 // pkgSetting.pkg.mSetEnabled = newState; 11109 } else { 11110 // We're dealing with a component level state change 11111 // First, verify that this is a valid class name. 11112 PackageParser.Package pkg = pkgSetting.pkg; 11113 if (pkg == null || !pkg.hasComponentClassName(className)) { 11114 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11115 throw new IllegalArgumentException("Component class " + className 11116 + " does not exist in " + packageName); 11117 } else { 11118 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11119 + className + " does not exist in " + packageName); 11120 } 11121 } 11122 switch (newState) { 11123 case COMPONENT_ENABLED_STATE_ENABLED: 11124 if (!pkgSetting.enableComponentLPw(className, userId)) { 11125 return; 11126 } 11127 break; 11128 case COMPONENT_ENABLED_STATE_DISABLED: 11129 if (!pkgSetting.disableComponentLPw(className, userId)) { 11130 return; 11131 } 11132 break; 11133 case COMPONENT_ENABLED_STATE_DEFAULT: 11134 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11135 return; 11136 } 11137 break; 11138 default: 11139 Slog.e(TAG, "Invalid new component state: " + newState); 11140 return; 11141 } 11142 } 11143 mSettings.writePackageRestrictionsLPr(userId); 11144 components = mPendingBroadcasts.get(userId, packageName); 11145 final boolean newPackage = components == null; 11146 if (newPackage) { 11147 components = new ArrayList<String>(); 11148 } 11149 if (!components.contains(componentName)) { 11150 components.add(componentName); 11151 } 11152 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11153 sendNow = true; 11154 // Purge entry from pending broadcast list if another one exists already 11155 // since we are sending one right away. 11156 mPendingBroadcasts.remove(userId, packageName); 11157 } else { 11158 if (newPackage) { 11159 mPendingBroadcasts.put(userId, packageName, components); 11160 } 11161 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11162 // Schedule a message 11163 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11164 } 11165 } 11166 } 11167 11168 long callingId = Binder.clearCallingIdentity(); 11169 try { 11170 if (sendNow) { 11171 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11172 sendPackageChangedBroadcast(packageName, 11173 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11174 } 11175 } finally { 11176 Binder.restoreCallingIdentity(callingId); 11177 } 11178 } 11179 11180 private void sendPackageChangedBroadcast(String packageName, 11181 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11182 if (DEBUG_INSTALL) 11183 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11184 + componentNames); 11185 Bundle extras = new Bundle(4); 11186 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11187 String nameList[] = new String[componentNames.size()]; 11188 componentNames.toArray(nameList); 11189 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11190 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11191 extras.putInt(Intent.EXTRA_UID, packageUid); 11192 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11193 new int[] {UserHandle.getUserId(packageUid)}); 11194 } 11195 11196 @Override 11197 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11198 if (!sUserManager.exists(userId)) return; 11199 final int uid = Binder.getCallingUid(); 11200 final int permission = mContext.checkCallingOrSelfPermission( 11201 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11202 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11203 enforceCrossUserPermission(uid, userId, true, "stop package"); 11204 // writer 11205 synchronized (mPackages) { 11206 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11207 uid, userId)) { 11208 scheduleWritePackageRestrictionsLocked(userId); 11209 } 11210 } 11211 } 11212 11213 @Override 11214 public String getInstallerPackageName(String packageName) { 11215 // reader 11216 synchronized (mPackages) { 11217 return mSettings.getInstallerPackageNameLPr(packageName); 11218 } 11219 } 11220 11221 @Override 11222 public int getApplicationEnabledSetting(String packageName, int userId) { 11223 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11224 int uid = Binder.getCallingUid(); 11225 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11226 // reader 11227 synchronized (mPackages) { 11228 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11229 } 11230 } 11231 11232 @Override 11233 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11234 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11235 int uid = Binder.getCallingUid(); 11236 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11237 // reader 11238 synchronized (mPackages) { 11239 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11240 } 11241 } 11242 11243 @Override 11244 public void enterSafeMode() { 11245 enforceSystemOrRoot("Only the system can request entering safe mode"); 11246 11247 if (!mSystemReady) { 11248 mSafeMode = true; 11249 } 11250 } 11251 11252 @Override 11253 public void systemReady() { 11254 mSystemReady = true; 11255 11256 // Read the compatibilty setting when the system is ready. 11257 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11258 mContext.getContentResolver(), 11259 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11260 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11261 if (DEBUG_SETTINGS) { 11262 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11263 } 11264 11265 synchronized (mPackages) { 11266 // Verify that all of the preferred activity components actually 11267 // exist. It is possible for applications to be updated and at 11268 // that point remove a previously declared activity component that 11269 // had been set as a preferred activity. We try to clean this up 11270 // the next time we encounter that preferred activity, but it is 11271 // possible for the user flow to never be able to return to that 11272 // situation so here we do a sanity check to make sure we haven't 11273 // left any junk around. 11274 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11275 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11276 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11277 removed.clear(); 11278 for (PreferredActivity pa : pir.filterSet()) { 11279 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11280 removed.add(pa); 11281 } 11282 } 11283 if (removed.size() > 0) { 11284 for (int j=0; j<removed.size(); j++) { 11285 PreferredActivity pa = removed.get(i); 11286 Slog.w(TAG, "Removing dangling preferred activity: " 11287 + pa.mPref.mComponent); 11288 pir.removeFilter(pa); 11289 } 11290 mSettings.writePackageRestrictionsLPr( 11291 mSettings.mPreferredActivities.keyAt(i)); 11292 } 11293 } 11294 } 11295 sUserManager.systemReady(); 11296 } 11297 11298 @Override 11299 public boolean isSafeMode() { 11300 return mSafeMode; 11301 } 11302 11303 @Override 11304 public boolean hasSystemUidErrors() { 11305 return mHasSystemUidErrors; 11306 } 11307 11308 static String arrayToString(int[] array) { 11309 StringBuffer buf = new StringBuffer(128); 11310 buf.append('['); 11311 if (array != null) { 11312 for (int i=0; i<array.length; i++) { 11313 if (i > 0) buf.append(", "); 11314 buf.append(array[i]); 11315 } 11316 } 11317 buf.append(']'); 11318 return buf.toString(); 11319 } 11320 11321 static class DumpState { 11322 public static final int DUMP_LIBS = 1 << 0; 11323 11324 public static final int DUMP_FEATURES = 1 << 1; 11325 11326 public static final int DUMP_RESOLVERS = 1 << 2; 11327 11328 public static final int DUMP_PERMISSIONS = 1 << 3; 11329 11330 public static final int DUMP_PACKAGES = 1 << 4; 11331 11332 public static final int DUMP_SHARED_USERS = 1 << 5; 11333 11334 public static final int DUMP_MESSAGES = 1 << 6; 11335 11336 public static final int DUMP_PROVIDERS = 1 << 7; 11337 11338 public static final int DUMP_VERIFIERS = 1 << 8; 11339 11340 public static final int DUMP_PREFERRED = 1 << 9; 11341 11342 public static final int DUMP_PREFERRED_XML = 1 << 10; 11343 11344 public static final int DUMP_KEYSETS = 1 << 11; 11345 11346 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11347 11348 private int mTypes; 11349 11350 private int mOptions; 11351 11352 private boolean mTitlePrinted; 11353 11354 private SharedUserSetting mSharedUser; 11355 11356 public boolean isDumping(int type) { 11357 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11358 return true; 11359 } 11360 11361 return (mTypes & type) != 0; 11362 } 11363 11364 public void setDump(int type) { 11365 mTypes |= type; 11366 } 11367 11368 public boolean isOptionEnabled(int option) { 11369 return (mOptions & option) != 0; 11370 } 11371 11372 public void setOptionEnabled(int option) { 11373 mOptions |= option; 11374 } 11375 11376 public boolean onTitlePrinted() { 11377 final boolean printed = mTitlePrinted; 11378 mTitlePrinted = true; 11379 return printed; 11380 } 11381 11382 public boolean getTitlePrinted() { 11383 return mTitlePrinted; 11384 } 11385 11386 public void setTitlePrinted(boolean enabled) { 11387 mTitlePrinted = enabled; 11388 } 11389 11390 public SharedUserSetting getSharedUser() { 11391 return mSharedUser; 11392 } 11393 11394 public void setSharedUser(SharedUserSetting user) { 11395 mSharedUser = user; 11396 } 11397 } 11398 11399 @Override 11400 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11401 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11402 != PackageManager.PERMISSION_GRANTED) { 11403 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11404 + Binder.getCallingPid() 11405 + ", uid=" + Binder.getCallingUid() 11406 + " without permission " 11407 + android.Manifest.permission.DUMP); 11408 return; 11409 } 11410 11411 DumpState dumpState = new DumpState(); 11412 boolean fullPreferred = false; 11413 boolean checkin = false; 11414 11415 String packageName = null; 11416 11417 int opti = 0; 11418 while (opti < args.length) { 11419 String opt = args[opti]; 11420 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11421 break; 11422 } 11423 opti++; 11424 if ("-a".equals(opt)) { 11425 // Right now we only know how to print all. 11426 } else if ("-h".equals(opt)) { 11427 pw.println("Package manager dump options:"); 11428 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11429 pw.println(" --checkin: dump for a checkin"); 11430 pw.println(" -f: print details of intent filters"); 11431 pw.println(" -h: print this help"); 11432 pw.println(" cmd may be one of:"); 11433 pw.println(" l[ibraries]: list known shared libraries"); 11434 pw.println(" f[ibraries]: list device features"); 11435 pw.println(" r[esolvers]: dump intent resolvers"); 11436 pw.println(" perm[issions]: dump permissions"); 11437 pw.println(" pref[erred]: print preferred package settings"); 11438 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11439 pw.println(" prov[iders]: dump content providers"); 11440 pw.println(" p[ackages]: dump installed packages"); 11441 pw.println(" s[hared-users]: dump shared user IDs"); 11442 pw.println(" m[essages]: print collected runtime messages"); 11443 pw.println(" v[erifiers]: print package verifier info"); 11444 pw.println(" <package.name>: info about given package"); 11445 pw.println(" k[eysets]: print known keysets"); 11446 return; 11447 } else if ("--checkin".equals(opt)) { 11448 checkin = true; 11449 } else if ("-f".equals(opt)) { 11450 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11451 } else { 11452 pw.println("Unknown argument: " + opt + "; use -h for help"); 11453 } 11454 } 11455 11456 // Is the caller requesting to dump a particular piece of data? 11457 if (opti < args.length) { 11458 String cmd = args[opti]; 11459 opti++; 11460 // Is this a package name? 11461 if ("android".equals(cmd) || cmd.contains(".")) { 11462 packageName = cmd; 11463 // When dumping a single package, we always dump all of its 11464 // filter information since the amount of data will be reasonable. 11465 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11466 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11467 dumpState.setDump(DumpState.DUMP_LIBS); 11468 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11469 dumpState.setDump(DumpState.DUMP_FEATURES); 11470 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11471 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11472 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11473 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11474 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11475 dumpState.setDump(DumpState.DUMP_PREFERRED); 11476 } else if ("preferred-xml".equals(cmd)) { 11477 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11478 if (opti < args.length && "--full".equals(args[opti])) { 11479 fullPreferred = true; 11480 opti++; 11481 } 11482 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11483 dumpState.setDump(DumpState.DUMP_PACKAGES); 11484 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11485 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11486 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11487 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11488 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11489 dumpState.setDump(DumpState.DUMP_MESSAGES); 11490 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11491 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11492 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11493 dumpState.setDump(DumpState.DUMP_KEYSETS); 11494 } 11495 } 11496 11497 if (checkin) { 11498 pw.println("vers,1"); 11499 } 11500 11501 // reader 11502 synchronized (mPackages) { 11503 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11504 if (!checkin) { 11505 if (dumpState.onTitlePrinted()) 11506 pw.println(); 11507 pw.println("Verifiers:"); 11508 pw.print(" Required: "); 11509 pw.print(mRequiredVerifierPackage); 11510 pw.print(" (uid="); 11511 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11512 pw.println(")"); 11513 } else if (mRequiredVerifierPackage != null) { 11514 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11515 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11516 } 11517 } 11518 11519 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11520 boolean printedHeader = false; 11521 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11522 while (it.hasNext()) { 11523 String name = it.next(); 11524 SharedLibraryEntry ent = mSharedLibraries.get(name); 11525 if (!checkin) { 11526 if (!printedHeader) { 11527 if (dumpState.onTitlePrinted()) 11528 pw.println(); 11529 pw.println("Libraries:"); 11530 printedHeader = true; 11531 } 11532 pw.print(" "); 11533 } else { 11534 pw.print("lib,"); 11535 } 11536 pw.print(name); 11537 if (!checkin) { 11538 pw.print(" -> "); 11539 } 11540 if (ent.path != null) { 11541 if (!checkin) { 11542 pw.print("(jar) "); 11543 pw.print(ent.path); 11544 } else { 11545 pw.print(",jar,"); 11546 pw.print(ent.path); 11547 } 11548 } else { 11549 if (!checkin) { 11550 pw.print("(apk) "); 11551 pw.print(ent.apk); 11552 } else { 11553 pw.print(",apk,"); 11554 pw.print(ent.apk); 11555 } 11556 } 11557 pw.println(); 11558 } 11559 } 11560 11561 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11562 if (dumpState.onTitlePrinted()) 11563 pw.println(); 11564 if (!checkin) { 11565 pw.println("Features:"); 11566 } 11567 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11568 while (it.hasNext()) { 11569 String name = it.next(); 11570 if (!checkin) { 11571 pw.print(" "); 11572 } else { 11573 pw.print("feat,"); 11574 } 11575 pw.println(name); 11576 } 11577 } 11578 11579 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11580 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11581 : "Activity Resolver Table:", " ", packageName, 11582 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11583 dumpState.setTitlePrinted(true); 11584 } 11585 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11586 : "Receiver Resolver Table:", " ", packageName, 11587 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11588 dumpState.setTitlePrinted(true); 11589 } 11590 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11591 : "Service Resolver Table:", " ", packageName, 11592 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11593 dumpState.setTitlePrinted(true); 11594 } 11595 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11596 : "Provider Resolver Table:", " ", packageName, 11597 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11598 dumpState.setTitlePrinted(true); 11599 } 11600 } 11601 11602 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11603 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11604 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11605 int user = mSettings.mPreferredActivities.keyAt(i); 11606 if (pir.dump(pw, 11607 dumpState.getTitlePrinted() 11608 ? "\nPreferred Activities User " + user + ":" 11609 : "Preferred Activities User " + user + ":", " ", 11610 packageName, true)) { 11611 dumpState.setTitlePrinted(true); 11612 } 11613 } 11614 } 11615 11616 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11617 pw.flush(); 11618 FileOutputStream fout = new FileOutputStream(fd); 11619 BufferedOutputStream str = new BufferedOutputStream(fout); 11620 XmlSerializer serializer = new FastXmlSerializer(); 11621 try { 11622 serializer.setOutput(str, "utf-8"); 11623 serializer.startDocument(null, true); 11624 serializer.setFeature( 11625 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11626 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11627 serializer.endDocument(); 11628 serializer.flush(); 11629 } catch (IllegalArgumentException e) { 11630 pw.println("Failed writing: " + e); 11631 } catch (IllegalStateException e) { 11632 pw.println("Failed writing: " + e); 11633 } catch (IOException e) { 11634 pw.println("Failed writing: " + e); 11635 } 11636 } 11637 11638 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11639 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11640 } 11641 11642 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11643 boolean printedSomething = false; 11644 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11645 if (packageName != null && !packageName.equals(p.info.packageName)) { 11646 continue; 11647 } 11648 if (!printedSomething) { 11649 if (dumpState.onTitlePrinted()) 11650 pw.println(); 11651 pw.println("Registered ContentProviders:"); 11652 printedSomething = true; 11653 } 11654 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11655 pw.print(" "); pw.println(p.toString()); 11656 } 11657 printedSomething = false; 11658 for (Map.Entry<String, PackageParser.Provider> entry : 11659 mProvidersByAuthority.entrySet()) { 11660 PackageParser.Provider p = entry.getValue(); 11661 if (packageName != null && !packageName.equals(p.info.packageName)) { 11662 continue; 11663 } 11664 if (!printedSomething) { 11665 if (dumpState.onTitlePrinted()) 11666 pw.println(); 11667 pw.println("ContentProvider Authorities:"); 11668 printedSomething = true; 11669 } 11670 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11671 pw.print(" "); pw.println(p.toString()); 11672 if (p.info != null && p.info.applicationInfo != null) { 11673 final String appInfo = p.info.applicationInfo.toString(); 11674 pw.print(" applicationInfo="); pw.println(appInfo); 11675 } 11676 } 11677 } 11678 11679 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11680 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11681 } 11682 11683 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11684 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11685 } 11686 11687 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11688 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11689 } 11690 11691 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11692 if (dumpState.onTitlePrinted()) 11693 pw.println(); 11694 mSettings.dumpReadMessagesLPr(pw, dumpState); 11695 11696 pw.println(); 11697 pw.println("Package warning messages:"); 11698 final File fname = getSettingsProblemFile(); 11699 FileInputStream in = null; 11700 try { 11701 in = new FileInputStream(fname); 11702 final int avail = in.available(); 11703 final byte[] data = new byte[avail]; 11704 in.read(data); 11705 pw.print(new String(data)); 11706 } catch (FileNotFoundException e) { 11707 } catch (IOException e) { 11708 } finally { 11709 if (in != null) { 11710 try { 11711 in.close(); 11712 } catch (IOException e) { 11713 } 11714 } 11715 } 11716 } 11717 } 11718 } 11719 11720 // ------- apps on sdcard specific code ------- 11721 static final boolean DEBUG_SD_INSTALL = false; 11722 11723 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11724 11725 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11726 11727 private boolean mMediaMounted = false; 11728 11729 private String getEncryptKey() { 11730 try { 11731 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11732 SD_ENCRYPTION_KEYSTORE_NAME); 11733 if (sdEncKey == null) { 11734 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11735 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11736 if (sdEncKey == null) { 11737 Slog.e(TAG, "Failed to create encryption keys"); 11738 return null; 11739 } 11740 } 11741 return sdEncKey; 11742 } catch (NoSuchAlgorithmException nsae) { 11743 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11744 return null; 11745 } catch (IOException ioe) { 11746 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11747 return null; 11748 } 11749 11750 } 11751 11752 /* package */static String getTempContainerId() { 11753 int tmpIdx = 1; 11754 String list[] = PackageHelper.getSecureContainerList(); 11755 if (list != null) { 11756 for (final String name : list) { 11757 // Ignore null and non-temporary container entries 11758 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11759 continue; 11760 } 11761 11762 String subStr = name.substring(mTempContainerPrefix.length()); 11763 try { 11764 int cid = Integer.parseInt(subStr); 11765 if (cid >= tmpIdx) { 11766 tmpIdx = cid + 1; 11767 } 11768 } catch (NumberFormatException e) { 11769 } 11770 } 11771 } 11772 return mTempContainerPrefix + tmpIdx; 11773 } 11774 11775 /* 11776 * Update media status on PackageManager. 11777 */ 11778 @Override 11779 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11780 int callingUid = Binder.getCallingUid(); 11781 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11782 throw new SecurityException("Media status can only be updated by the system"); 11783 } 11784 // reader; this apparently protects mMediaMounted, but should probably 11785 // be a different lock in that case. 11786 synchronized (mPackages) { 11787 Log.i(TAG, "Updating external media status from " 11788 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11789 + (mediaStatus ? "mounted" : "unmounted")); 11790 if (DEBUG_SD_INSTALL) 11791 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11792 + ", mMediaMounted=" + mMediaMounted); 11793 if (mediaStatus == mMediaMounted) { 11794 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11795 : 0, -1); 11796 mHandler.sendMessage(msg); 11797 return; 11798 } 11799 mMediaMounted = mediaStatus; 11800 } 11801 // Queue up an async operation since the package installation may take a 11802 // little while. 11803 mHandler.post(new Runnable() { 11804 public void run() { 11805 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11806 } 11807 }); 11808 } 11809 11810 /** 11811 * Called by MountService when the initial ASECs to scan are available. 11812 * Should block until all the ASEC containers are finished being scanned. 11813 */ 11814 public void scanAvailableAsecs() { 11815 updateExternalMediaStatusInner(true, false, false); 11816 if (mShouldRestoreconData) { 11817 SELinuxMMAC.setRestoreconDone(); 11818 mShouldRestoreconData = false; 11819 } 11820 } 11821 11822 /* 11823 * Collect information of applications on external media, map them against 11824 * existing containers and update information based on current mount status. 11825 * Please note that we always have to report status if reportStatus has been 11826 * set to true especially when unloading packages. 11827 */ 11828 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11829 boolean externalStorage) { 11830 // Collection of uids 11831 int uidArr[] = null; 11832 // Collection of stale containers 11833 HashSet<String> removeCids = new HashSet<String>(); 11834 // Collection of packages on external media with valid containers. 11835 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11836 // Get list of secure containers. 11837 final String list[] = PackageHelper.getSecureContainerList(); 11838 if (list == null || list.length == 0) { 11839 Log.i(TAG, "No secure containers on sdcard"); 11840 } else { 11841 // Process list of secure containers and categorize them 11842 // as active or stale based on their package internal state. 11843 int uidList[] = new int[list.length]; 11844 int num = 0; 11845 // reader 11846 synchronized (mPackages) { 11847 for (String cid : list) { 11848 if (DEBUG_SD_INSTALL) 11849 Log.i(TAG, "Processing container " + cid); 11850 String pkgName = getAsecPackageName(cid); 11851 if (pkgName == null) { 11852 if (DEBUG_SD_INSTALL) 11853 Log.i(TAG, "Container : " + cid + " stale"); 11854 removeCids.add(cid); 11855 continue; 11856 } 11857 if (DEBUG_SD_INSTALL) 11858 Log.i(TAG, "Looking for pkg : " + pkgName); 11859 11860 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11861 if (ps == null) { 11862 Log.i(TAG, "Deleting container with no matching settings " + cid); 11863 removeCids.add(cid); 11864 continue; 11865 } 11866 11867 /* 11868 * Skip packages that are not external if we're unmounting 11869 * external storage. 11870 */ 11871 if (externalStorage && !isMounted && !isExternal(ps)) { 11872 continue; 11873 } 11874 11875 final AsecInstallArgs args = new AsecInstallArgs(cid, 11876 getAppInstructionSetFromSettings(ps), 11877 isForwardLocked(ps)); 11878 // The package status is changed only if the code path 11879 // matches between settings and the container id. 11880 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11881 if (DEBUG_SD_INSTALL) { 11882 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11883 + " at code path: " + ps.codePathString); 11884 } 11885 11886 // We do have a valid package installed on sdcard 11887 processCids.put(args, ps.codePathString); 11888 final int uid = ps.appId; 11889 if (uid != -1) { 11890 uidList[num++] = uid; 11891 } 11892 } else { 11893 Log.i(TAG, "Deleting stale container for " + cid); 11894 removeCids.add(cid); 11895 } 11896 } 11897 } 11898 11899 if (num > 0) { 11900 // Sort uid list 11901 Arrays.sort(uidList, 0, num); 11902 // Throw away duplicates 11903 uidArr = new int[num]; 11904 uidArr[0] = uidList[0]; 11905 int di = 0; 11906 for (int i = 1; i < num; i++) { 11907 if (uidList[i - 1] != uidList[i]) { 11908 uidArr[di++] = uidList[i]; 11909 } 11910 } 11911 } 11912 } 11913 // Process packages with valid entries. 11914 if (isMounted) { 11915 if (DEBUG_SD_INSTALL) 11916 Log.i(TAG, "Loading packages"); 11917 loadMediaPackages(processCids, uidArr, removeCids); 11918 startCleaningPackages(); 11919 } else { 11920 if (DEBUG_SD_INSTALL) 11921 Log.i(TAG, "Unloading packages"); 11922 unloadMediaPackages(processCids, uidArr, reportStatus); 11923 } 11924 } 11925 11926 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11927 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11928 int size = pkgList.size(); 11929 if (size > 0) { 11930 // Send broadcasts here 11931 Bundle extras = new Bundle(); 11932 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11933 .toArray(new String[size])); 11934 if (uidArr != null) { 11935 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11936 } 11937 if (replacing) { 11938 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11939 } 11940 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11941 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11942 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11943 } 11944 } 11945 11946 /* 11947 * Look at potentially valid container ids from processCids If package 11948 * information doesn't match the one on record or package scanning fails, 11949 * the cid is added to list of removeCids. We currently don't delete stale 11950 * containers. 11951 */ 11952 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11953 HashSet<String> removeCids) { 11954 ArrayList<String> pkgList = new ArrayList<String>(); 11955 Set<AsecInstallArgs> keys = processCids.keySet(); 11956 boolean doGc = false; 11957 for (AsecInstallArgs args : keys) { 11958 String codePath = processCids.get(args); 11959 if (DEBUG_SD_INSTALL) 11960 Log.i(TAG, "Loading container : " + args.cid); 11961 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11962 try { 11963 // Make sure there are no container errors first. 11964 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11965 Slog.e(TAG, "Failed to mount cid : " + args.cid 11966 + " when installing from sdcard"); 11967 continue; 11968 } 11969 // Check code path here. 11970 if (codePath == null || !codePath.equals(args.getCodePath())) { 11971 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11972 + " does not match one in settings " + codePath); 11973 continue; 11974 } 11975 // Parse package 11976 int parseFlags = mDefParseFlags; 11977 if (args.isExternal()) { 11978 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11979 } 11980 if (args.isFwdLocked()) { 11981 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11982 } 11983 11984 doGc = true; 11985 synchronized (mInstallLock) { 11986 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11987 0, 0, null, null); 11988 // Scan the package 11989 if (pkg != null) { 11990 /* 11991 * TODO why is the lock being held? doPostInstall is 11992 * called in other places without the lock. This needs 11993 * to be straightened out. 11994 */ 11995 // writer 11996 synchronized (mPackages) { 11997 retCode = PackageManager.INSTALL_SUCCEEDED; 11998 pkgList.add(pkg.packageName); 11999 // Post process args 12000 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12001 pkg.applicationInfo.uid); 12002 } 12003 } else { 12004 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12005 } 12006 } 12007 12008 } finally { 12009 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12010 // Don't destroy container here. Wait till gc clears things 12011 // up. 12012 removeCids.add(args.cid); 12013 } 12014 } 12015 } 12016 // writer 12017 synchronized (mPackages) { 12018 // If the platform SDK has changed since the last time we booted, 12019 // we need to re-grant app permission to catch any new ones that 12020 // appear. This is really a hack, and means that apps can in some 12021 // cases get permissions that the user didn't initially explicitly 12022 // allow... it would be nice to have some better way to handle 12023 // this situation. 12024 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12025 if (regrantPermissions) 12026 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12027 + mSdkVersion + "; regranting permissions for external storage"); 12028 mSettings.mExternalSdkPlatform = mSdkVersion; 12029 12030 // Make sure group IDs have been assigned, and any permission 12031 // changes in other apps are accounted for 12032 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12033 | (regrantPermissions 12034 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12035 : 0)); 12036 // can downgrade to reader 12037 // Persist settings 12038 mSettings.writeLPr(); 12039 } 12040 // Send a broadcast to let everyone know we are done processing 12041 if (pkgList.size() > 0) { 12042 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12043 } 12044 // Force gc to avoid any stale parser references that we might have. 12045 if (doGc) { 12046 Runtime.getRuntime().gc(); 12047 } 12048 // List stale containers and destroy stale temporary containers. 12049 if (removeCids != null) { 12050 for (String cid : removeCids) { 12051 if (cid.startsWith(mTempContainerPrefix)) { 12052 Log.i(TAG, "Destroying stale temporary container " + cid); 12053 PackageHelper.destroySdDir(cid); 12054 } else { 12055 Log.w(TAG, "Container " + cid + " is stale"); 12056 } 12057 } 12058 } 12059 } 12060 12061 /* 12062 * Utility method to unload a list of specified containers 12063 */ 12064 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12065 // Just unmount all valid containers. 12066 for (AsecInstallArgs arg : cidArgs) { 12067 synchronized (mInstallLock) { 12068 arg.doPostDeleteLI(false); 12069 } 12070 } 12071 } 12072 12073 /* 12074 * Unload packages mounted on external media. This involves deleting package 12075 * data from internal structures, sending broadcasts about diabled packages, 12076 * gc'ing to free up references, unmounting all secure containers 12077 * corresponding to packages on external media, and posting a 12078 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12079 * that we always have to post this message if status has been requested no 12080 * matter what. 12081 */ 12082 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12083 final boolean reportStatus) { 12084 if (DEBUG_SD_INSTALL) 12085 Log.i(TAG, "unloading media packages"); 12086 ArrayList<String> pkgList = new ArrayList<String>(); 12087 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12088 final Set<AsecInstallArgs> keys = processCids.keySet(); 12089 for (AsecInstallArgs args : keys) { 12090 String pkgName = args.getPackageName(); 12091 if (DEBUG_SD_INSTALL) 12092 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12093 // Delete package internally 12094 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12095 synchronized (mInstallLock) { 12096 boolean res = deletePackageLI(pkgName, null, false, null, null, 12097 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12098 if (res) { 12099 pkgList.add(pkgName); 12100 } else { 12101 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12102 failedList.add(args); 12103 } 12104 } 12105 } 12106 12107 // reader 12108 synchronized (mPackages) { 12109 // We didn't update the settings after removing each package; 12110 // write them now for all packages. 12111 mSettings.writeLPr(); 12112 } 12113 12114 // We have to absolutely send UPDATED_MEDIA_STATUS only 12115 // after confirming that all the receivers processed the ordered 12116 // broadcast when packages get disabled, force a gc to clean things up. 12117 // and unload all the containers. 12118 if (pkgList.size() > 0) { 12119 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12120 new IIntentReceiver.Stub() { 12121 public void performReceive(Intent intent, int resultCode, String data, 12122 Bundle extras, boolean ordered, boolean sticky, 12123 int sendingUser) throws RemoteException { 12124 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12125 reportStatus ? 1 : 0, 1, keys); 12126 mHandler.sendMessage(msg); 12127 } 12128 }); 12129 } else { 12130 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12131 keys); 12132 mHandler.sendMessage(msg); 12133 } 12134 } 12135 12136 /** Binder call */ 12137 @Override 12138 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12139 final int flags) { 12140 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12141 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12142 int returnCode = PackageManager.MOVE_SUCCEEDED; 12143 int currFlags = 0; 12144 int newFlags = 0; 12145 // reader 12146 synchronized (mPackages) { 12147 PackageParser.Package pkg = mPackages.get(packageName); 12148 if (pkg == null) { 12149 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12150 } else { 12151 // Disable moving fwd locked apps and system packages 12152 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12153 Slog.w(TAG, "Cannot move system application"); 12154 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12155 } else if (pkg.mOperationPending) { 12156 Slog.w(TAG, "Attempt to move package which has pending operations"); 12157 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12158 } else { 12159 // Find install location first 12160 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12161 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12162 Slog.w(TAG, "Ambigous flags specified for move location."); 12163 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12164 } else { 12165 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12166 : PackageManager.INSTALL_INTERNAL; 12167 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12168 : PackageManager.INSTALL_INTERNAL; 12169 12170 if (newFlags == currFlags) { 12171 Slog.w(TAG, "No move required. Trying to move to same location"); 12172 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12173 } else { 12174 if (isForwardLocked(pkg)) { 12175 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12176 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12177 } 12178 } 12179 } 12180 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12181 pkg.mOperationPending = true; 12182 } 12183 } 12184 } 12185 12186 /* 12187 * TODO this next block probably shouldn't be inside the lock. We 12188 * can't guarantee these won't change after this is fired off 12189 * anyway. 12190 */ 12191 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12192 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12193 null, -1, user), 12194 returnCode); 12195 } else { 12196 Message msg = mHandler.obtainMessage(INIT_COPY); 12197 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12198 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12199 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12200 instructionSet); 12201 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12202 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12203 msg.obj = mp; 12204 mHandler.sendMessage(msg); 12205 } 12206 } 12207 } 12208 12209 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12210 // Queue up an async operation since the package deletion may take a 12211 // little while. 12212 mHandler.post(new Runnable() { 12213 public void run() { 12214 // TODO fix this; this does nothing. 12215 mHandler.removeCallbacks(this); 12216 int returnCode = currentStatus; 12217 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12218 int uidArr[] = null; 12219 ArrayList<String> pkgList = null; 12220 synchronized (mPackages) { 12221 PackageParser.Package pkg = mPackages.get(mp.packageName); 12222 if (pkg == null) { 12223 Slog.w(TAG, " Package " + mp.packageName 12224 + " doesn't exist. Aborting move"); 12225 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12226 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12227 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12228 + mp.srcArgs.getCodePath() + " to " 12229 + pkg.applicationInfo.sourceDir 12230 + " Aborting move and returning error"); 12231 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12232 } else { 12233 uidArr = new int[] { 12234 pkg.applicationInfo.uid 12235 }; 12236 pkgList = new ArrayList<String>(); 12237 pkgList.add(mp.packageName); 12238 } 12239 } 12240 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12241 // Send resources unavailable broadcast 12242 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12243 // Update package code and resource paths 12244 synchronized (mInstallLock) { 12245 synchronized (mPackages) { 12246 PackageParser.Package pkg = mPackages.get(mp.packageName); 12247 // Recheck for package again. 12248 if (pkg == null) { 12249 Slog.w(TAG, " Package " + mp.packageName 12250 + " doesn't exist. Aborting move"); 12251 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12252 } else if (!mp.srcArgs.getCodePath().equals( 12253 pkg.applicationInfo.sourceDir)) { 12254 Slog.w(TAG, "Package " + mp.packageName 12255 + " code path changed from " + mp.srcArgs.getCodePath() 12256 + " to " + pkg.applicationInfo.sourceDir 12257 + " Aborting move and returning error"); 12258 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12259 } else { 12260 final String oldCodePath = pkg.mPath; 12261 final String newCodePath = mp.targetArgs.getCodePath(); 12262 final String newResPath = mp.targetArgs.getResourcePath(); 12263 final String newNativePath = mp.targetArgs 12264 .getNativeLibraryPath(); 12265 12266 final File newNativeDir = new File(newNativePath); 12267 12268 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12269 // NOTE: We do not report any errors from the APK scan and library 12270 // copy at this point. 12271 NativeLibraryHelper.ApkHandle handle = 12272 new NativeLibraryHelper.ApkHandle(newCodePath); 12273 final int abi = NativeLibraryHelper.findSupportedAbi( 12274 handle, Build.SUPPORTED_ABIS); 12275 if (abi >= 0) { 12276 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12277 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12278 } 12279 handle.close(); 12280 } 12281 final int[] users = sUserManager.getUserIds(); 12282 for (int user : users) { 12283 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12284 newNativePath, user) < 0) { 12285 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12286 } 12287 } 12288 12289 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12290 pkg.mPath = newCodePath; 12291 // Move dex files around 12292 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12293 // Moving of dex files failed. Set 12294 // error code and abort move. 12295 pkg.mPath = pkg.mScanPath; 12296 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12297 } 12298 } 12299 12300 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12301 pkg.mScanPath = newCodePath; 12302 pkg.applicationInfo.sourceDir = newCodePath; 12303 pkg.applicationInfo.publicSourceDir = newResPath; 12304 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12305 PackageSetting ps = (PackageSetting) pkg.mExtras; 12306 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12307 ps.codePathString = ps.codePath.getPath(); 12308 ps.resourcePath = new File( 12309 pkg.applicationInfo.publicSourceDir); 12310 ps.resourcePathString = ps.resourcePath.getPath(); 12311 ps.nativeLibraryPathString = newNativePath; 12312 // Set the application info flag 12313 // correctly. 12314 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12315 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12316 } else { 12317 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12318 } 12319 ps.setFlags(pkg.applicationInfo.flags); 12320 mAppDirs.remove(oldCodePath); 12321 mAppDirs.put(newCodePath, pkg); 12322 // Persist settings 12323 mSettings.writeLPr(); 12324 } 12325 } 12326 } 12327 } 12328 // Send resources available broadcast 12329 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12330 } 12331 } 12332 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12333 // Clean up failed installation 12334 if (mp.targetArgs != null) { 12335 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12336 -1); 12337 } 12338 } else { 12339 // Force a gc to clear things up. 12340 Runtime.getRuntime().gc(); 12341 // Delete older code 12342 synchronized (mInstallLock) { 12343 mp.srcArgs.doPostDeleteLI(true); 12344 } 12345 } 12346 12347 // Allow more operations on this file if we didn't fail because 12348 // an operation was already pending for this package. 12349 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12350 synchronized (mPackages) { 12351 PackageParser.Package pkg = mPackages.get(mp.packageName); 12352 if (pkg != null) { 12353 pkg.mOperationPending = false; 12354 } 12355 } 12356 } 12357 12358 IPackageMoveObserver observer = mp.observer; 12359 if (observer != null) { 12360 try { 12361 observer.packageMoved(mp.packageName, returnCode); 12362 } catch (RemoteException e) { 12363 Log.i(TAG, "Observer no longer exists."); 12364 } 12365 } 12366 } 12367 }); 12368 } 12369 12370 @Override 12371 public boolean setInstallLocation(int loc) { 12372 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12373 null); 12374 if (getInstallLocation() == loc) { 12375 return true; 12376 } 12377 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12378 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12379 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12380 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12381 return true; 12382 } 12383 return false; 12384 } 12385 12386 @Override 12387 public int getInstallLocation() { 12388 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12389 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12390 PackageHelper.APP_INSTALL_AUTO); 12391 } 12392 12393 /** Called by UserManagerService */ 12394 void cleanUpUserLILPw(int userHandle) { 12395 mDirtyUsers.remove(userHandle); 12396 mSettings.removeUserLPr(userHandle); 12397 mPendingBroadcasts.remove(userHandle); 12398 if (mInstaller != null) { 12399 // Technically, we shouldn't be doing this with the package lock 12400 // held. However, this is very rare, and there is already so much 12401 // other disk I/O going on, that we'll let it slide for now. 12402 mInstaller.removeUserDataDirs(userHandle); 12403 } 12404 } 12405 12406 /** Called by UserManagerService */ 12407 void createNewUserLILPw(int userHandle, File path) { 12408 if (mInstaller != null) { 12409 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12410 } 12411 } 12412 12413 @Override 12414 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12415 mContext.enforceCallingOrSelfPermission( 12416 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12417 "Only package verification agents can read the verifier device identity"); 12418 12419 synchronized (mPackages) { 12420 return mSettings.getVerifierDeviceIdentityLPw(); 12421 } 12422 } 12423 12424 @Override 12425 public void setPermissionEnforced(String permission, boolean enforced) { 12426 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12427 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12428 synchronized (mPackages) { 12429 if (mSettings.mReadExternalStorageEnforced == null 12430 || mSettings.mReadExternalStorageEnforced != enforced) { 12431 mSettings.mReadExternalStorageEnforced = enforced; 12432 mSettings.writeLPr(); 12433 } 12434 } 12435 // kill any non-foreground processes so we restart them and 12436 // grant/revoke the GID. 12437 final IActivityManager am = ActivityManagerNative.getDefault(); 12438 if (am != null) { 12439 final long token = Binder.clearCallingIdentity(); 12440 try { 12441 am.killProcessesBelowForeground("setPermissionEnforcement"); 12442 } catch (RemoteException e) { 12443 } finally { 12444 Binder.restoreCallingIdentity(token); 12445 } 12446 } 12447 } else { 12448 throw new IllegalArgumentException("No selective enforcement for " + permission); 12449 } 12450 } 12451 12452 @Override 12453 @Deprecated 12454 public boolean isPermissionEnforced(String permission) { 12455 return true; 12456 } 12457 12458 @Override 12459 public boolean isStorageLow() { 12460 final long token = Binder.clearCallingIdentity(); 12461 try { 12462 final DeviceStorageMonitorInternal 12463 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12464 if (dsm != null) { 12465 return dsm.isMemoryLow(); 12466 } else { 12467 return false; 12468 } 12469 } finally { 12470 Binder.restoreCallingIdentity(token); 12471 } 12472 } 12473} 12474