PackageManagerService.java revision f230061b383f3e5fa63a266d84477963dc5f226c
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.system.OsConstants.S_IRWXU; 27import static android.system.OsConstants.S_IRGRP; 28import static android.system.OsConstants.S_IXGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IXOTH; 31import static android.os.Process.PACKAGE_INFO_GID; 32import static android.os.Process.SYSTEM_UID; 33import static com.android.internal.util.ArrayUtils.appendInt; 34import static com.android.internal.util.ArrayUtils.removeInt; 35 36import com.android.internal.R; 37import com.android.internal.app.IMediaContainerService; 38import com.android.internal.app.ResolverActivity; 39import com.android.internal.content.NativeLibraryHelper; 40import com.android.internal.content.PackageHelper; 41import com.android.internal.util.FastPrintWriter; 42import com.android.internal.util.FastXmlSerializer; 43import com.android.internal.util.XmlUtils; 44import com.android.server.EventLogTags; 45import com.android.server.IntentResolver; 46import com.android.server.LocalServices; 47import com.android.server.ServiceThread; 48import com.android.server.Watchdog; 49import com.android.server.storage.DeviceStorageMonitorInternal; 50 51import org.xmlpull.v1.XmlPullParser; 52import org.xmlpull.v1.XmlPullParserException; 53import org.xmlpull.v1.XmlSerializer; 54 55import android.app.ActivityManager; 56import android.app.ActivityManagerNative; 57import android.app.IActivityManager; 58import android.app.admin.IDevicePolicyManager; 59import android.app.backup.IBackupManager; 60import android.content.BroadcastReceiver; 61import android.content.ComponentName; 62import android.content.Context; 63import android.content.IIntentReceiver; 64import android.content.Intent; 65import android.content.IntentFilter; 66import android.content.IntentSender; 67import android.content.IntentSender.SendIntentException; 68import android.content.ServiceConnection; 69import android.content.pm.ActivityInfo; 70import android.content.pm.ApplicationInfo; 71import android.content.pm.ContainerEncryptionParams; 72import android.content.pm.FeatureInfo; 73import android.content.pm.IPackageDataObserver; 74import android.content.pm.IPackageDeleteObserver; 75import android.content.pm.IPackageInstallObserver; 76import android.content.pm.IPackageManager; 77import android.content.pm.IPackageMoveObserver; 78import android.content.pm.IPackageStatsObserver; 79import android.content.pm.InstrumentationInfo; 80import android.content.pm.ManifestDigest; 81import android.content.pm.PackageCleanItem; 82import android.content.pm.PackageInfo; 83import android.content.pm.PackageInfoLite; 84import android.content.pm.PackageManager; 85import android.content.pm.PackageParser.ActivityIntentInfo; 86import android.content.pm.PackageParser; 87import android.content.pm.PackageStats; 88import android.content.pm.PackageUserState; 89import android.content.pm.ParceledListSlice; 90import android.content.pm.PermissionGroupInfo; 91import android.content.pm.PermissionInfo; 92import android.content.pm.ProviderInfo; 93import android.content.pm.ResolveInfo; 94import android.content.pm.ServiceInfo; 95import android.content.pm.Signature; 96import android.content.pm.VerificationParams; 97import android.content.pm.VerifierDeviceIdentity; 98import android.content.pm.VerifierInfo; 99import android.content.res.Resources; 100import android.hardware.display.DisplayManager; 101import android.net.Uri; 102import android.os.Binder; 103import android.os.Build; 104import android.os.Bundle; 105import android.os.Environment; 106import android.os.Environment.UserEnvironment; 107import android.os.FileObserver; 108import android.os.FileUtils; 109import android.os.Handler; 110import android.os.IBinder; 111import android.os.Looper; 112import android.os.Message; 113import android.os.Parcel; 114import android.os.ParcelFileDescriptor; 115import android.os.Process; 116import android.os.RemoteException; 117import android.os.SELinux; 118import android.os.ServiceManager; 119import android.os.SystemClock; 120import android.os.SystemProperties; 121import android.os.UserHandle; 122import android.os.UserManager; 123import android.security.KeyStore; 124import android.security.SystemKeyStore; 125import android.system.ErrnoException; 126import android.system.Os; 127import android.system.StructStat; 128import android.text.TextUtils; 129import android.util.AtomicFile; 130import android.util.DisplayMetrics; 131import android.util.EventLog; 132import android.util.Log; 133import android.util.LogPrinter; 134import android.util.PrintStreamPrinter; 135import android.util.Slog; 136import android.util.SparseArray; 137import android.util.Xml; 138import android.view.Display; 139 140import java.io.BufferedInputStream; 141import java.io.BufferedOutputStream; 142import java.io.File; 143import java.io.FileDescriptor; 144import java.io.FileInputStream; 145import java.io.FileNotFoundException; 146import java.io.FileOutputStream; 147import java.io.FileReader; 148import java.io.FilenameFilter; 149import java.io.IOException; 150import java.io.InputStream; 151import java.io.PrintWriter; 152import java.nio.charset.StandardCharsets; 153import java.security.NoSuchAlgorithmException; 154import java.security.PublicKey; 155import java.security.cert.CertificateException; 156import java.text.SimpleDateFormat; 157import java.util.ArrayList; 158import java.util.Arrays; 159import java.util.Collection; 160import java.util.Collections; 161import java.util.Comparator; 162import java.util.Date; 163import java.util.HashMap; 164import java.util.HashSet; 165import java.util.Iterator; 166import java.util.List; 167import java.util.Map; 168import java.util.Set; 169import java.util.concurrent.atomic.AtomicBoolean; 170import java.util.concurrent.atomic.AtomicLong; 171 172import dalvik.system.DexFile; 173import dalvik.system.StaleDexCacheError; 174import dalvik.system.VMRuntime; 175import libcore.io.IoUtils; 176 177/** 178 * Keep track of all those .apks everywhere. 179 * 180 * This is very central to the platform's security; please run the unit 181 * tests whenever making modifications here: 182 * 183mmm frameworks/base/tests/AndroidTests 184adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 185adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 186 * 187 * {@hide} 188 */ 189public class PackageManagerService extends IPackageManager.Stub { 190 static final String TAG = "PackageManager"; 191 static final boolean DEBUG_SETTINGS = false; 192 static final boolean DEBUG_PREFERRED = false; 193 static final boolean DEBUG_UPGRADE = false; 194 private static final boolean DEBUG_INSTALL = false; 195 private static final boolean DEBUG_REMOVE = false; 196 private static final boolean DEBUG_BROADCASTS = false; 197 private static final boolean DEBUG_SHOW_INFO = false; 198 private static final boolean DEBUG_PACKAGE_INFO = false; 199 private static final boolean DEBUG_INTENT_MATCHING = false; 200 private static final boolean DEBUG_PACKAGE_SCANNING = false; 201 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 202 private static final boolean DEBUG_VERIFY = false; 203 private static final boolean DEBUG_DEXOPT = false; 204 205 private static final int RADIO_UID = Process.PHONE_UID; 206 private static final int LOG_UID = Process.LOG_UID; 207 private static final int NFC_UID = Process.NFC_UID; 208 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 209 private static final int SHELL_UID = Process.SHELL_UID; 210 211 private static final boolean GET_CERTIFICATES = true; 212 213 private static final int REMOVE_EVENTS = 214 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 215 private static final int ADD_EVENTS = 216 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 217 218 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 219 // Suffix used during package installation when copying/moving 220 // package apks to install directory. 221 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 222 223 static final int SCAN_MONITOR = 1<<0; 224 static final int SCAN_NO_DEX = 1<<1; 225 static final int SCAN_FORCE_DEX = 1<<2; 226 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 227 static final int SCAN_NEW_INSTALL = 1<<4; 228 static final int SCAN_NO_PATHS = 1<<5; 229 static final int SCAN_UPDATE_TIME = 1<<6; 230 static final int SCAN_DEFER_DEX = 1<<7; 231 static final int SCAN_BOOTING = 1<<8; 232 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 233 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 234 235 static final int REMOVE_CHATTY = 1<<16; 236 237 /** 238 * Timeout (in milliseconds) after which the watchdog should declare that 239 * our handler thread is wedged. The usual default for such things is one 240 * minute but we sometimes do very lengthy I/O operations on this thread, 241 * such as installing multi-gigabyte applications, so ours needs to be longer. 242 */ 243 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 244 245 /** 246 * Whether verification is enabled by default. 247 */ 248 private static final boolean DEFAULT_VERIFY_ENABLE = true; 249 250 /** 251 * The default maximum time to wait for the verification agent to return in 252 * milliseconds. 253 */ 254 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 255 256 /** 257 * The default response for package verification timeout. 258 * 259 * This can be either PackageManager.VERIFICATION_ALLOW or 260 * PackageManager.VERIFICATION_REJECT. 261 */ 262 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 263 264 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 265 266 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 267 DEFAULT_CONTAINER_PACKAGE, 268 "com.android.defcontainer.DefaultContainerService"); 269 270 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 271 272 private static final String LIB_DIR_NAME = "lib"; 273 private static final String LIB64_DIR_NAME = "lib64"; 274 275 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 276 277 static final String mTempContainerPrefix = "smdl2tmp"; 278 279 final ServiceThread mHandlerThread; 280 281 private static String sPreferredInstructionSet; 282 283 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 284 private static final String IDMAP_SUFFIX = "@idmap"; 285 286 final PackageHandler mHandler; 287 288 final int mSdkVersion = Build.VERSION.SDK_INT; 289 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 290 ? null : Build.VERSION.CODENAME; 291 292 final Context mContext; 293 final boolean mFactoryTest; 294 final boolean mOnlyCore; 295 final DisplayMetrics mMetrics; 296 final int mDefParseFlags; 297 final String[] mSeparateProcesses; 298 299 // This is where all application persistent data goes. 300 final File mAppDataDir; 301 302 // This is where all application persistent data goes for secondary users. 303 final File mUserAppDataDir; 304 305 /** The location for ASEC container files on internal storage. */ 306 final String mAsecInternalPath; 307 308 // This is the object monitoring the framework dir. 309 final FileObserver mFrameworkInstallObserver; 310 311 // This is the object monitoring the system app dir. 312 final FileObserver mSystemInstallObserver; 313 314 // This is the object monitoring the privileged system app dir. 315 final FileObserver mPrivilegedInstallObserver; 316 317 // This is the object monitoring the system app dir. 318 final FileObserver mVendorInstallObserver; 319 320 // This is the object monitoring the vendor overlay package dir. 321 final FileObserver mVendorOverlayInstallObserver; 322 323 // This is the object monitoring mAppInstallDir. 324 final FileObserver mAppInstallObserver; 325 326 // This is the object monitoring mDrmAppPrivateInstallDir. 327 final FileObserver mDrmAppInstallObserver; 328 329 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 330 // LOCK HELD. Can be called with mInstallLock held. 331 final Installer mInstaller; 332 333 final File mAppInstallDir; 334 335 /** 336 * Directory to which applications installed internally have native 337 * libraries copied. 338 */ 339 private File mAppLibInstallDir; 340 341 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 342 // apps. 343 final File mDrmAppPrivateInstallDir; 344 345 // ---------------------------------------------------------------- 346 347 // Lock for state used when installing and doing other long running 348 // operations. Methods that must be called with this lock held have 349 // the prefix "LI". 350 final Object mInstallLock = new Object(); 351 352 // These are the directories in the 3rd party applications installed dir 353 // that we have currently loaded packages from. Keys are the application's 354 // installed zip file (absolute codePath), and values are Package. 355 final HashMap<String, PackageParser.Package> mAppDirs = 356 new HashMap<String, PackageParser.Package>(); 357 358 // Information for the parser to write more useful error messages. 359 int mLastScanError; 360 361 // ---------------------------------------------------------------- 362 363 // Keys are String (package name), values are Package. This also serves 364 // as the lock for the global state. Methods that must be called with 365 // this lock held have the prefix "LP". 366 final HashMap<String, PackageParser.Package> mPackages = 367 new HashMap<String, PackageParser.Package>(); 368 369 // Tracks available target package names -> overlay package paths. 370 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 371 new HashMap<String, HashMap<String, PackageParser.Package>>(); 372 373 final Settings mSettings; 374 boolean mRestoredSettings; 375 376 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 377 int[] mGlobalGids; 378 379 // These are the built-in uid -> permission mappings that were read from the 380 // etc/permissions.xml file. 381 final SparseArray<HashSet<String>> mSystemPermissions = 382 new SparseArray<HashSet<String>>(); 383 384 static final class SharedLibraryEntry { 385 final String path; 386 final String apk; 387 388 SharedLibraryEntry(String _path, String _apk) { 389 path = _path; 390 apk = _apk; 391 } 392 } 393 394 // These are the built-in shared libraries that were read from the 395 // etc/permissions.xml file. 396 final HashMap<String, SharedLibraryEntry> mSharedLibraries 397 = new HashMap<String, SharedLibraryEntry>(); 398 399 // Temporary for building the final shared libraries for an .apk. 400 String[] mTmpSharedLibraries = null; 401 402 // These are the features this devices supports that were read from the 403 // etc/permissions.xml file. 404 final HashMap<String, FeatureInfo> mAvailableFeatures = 405 new HashMap<String, FeatureInfo>(); 406 407 // If mac_permissions.xml was found for seinfo labeling. 408 boolean mFoundPolicyFile; 409 410 // If a recursive restorecon of /data/data/<pkg> is needed. 411 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 412 413 // All available activities, for your resolving pleasure. 414 final ActivityIntentResolver mActivities = 415 new ActivityIntentResolver(); 416 417 // All available receivers, for your resolving pleasure. 418 final ActivityIntentResolver mReceivers = 419 new ActivityIntentResolver(); 420 421 // All available services, for your resolving pleasure. 422 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 423 424 // All available providers, for your resolving pleasure. 425 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 426 427 // Mapping from provider base names (first directory in content URI codePath) 428 // to the provider information. 429 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 430 new HashMap<String, PackageParser.Provider>(); 431 432 // Mapping from instrumentation class names to info about them. 433 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 434 new HashMap<ComponentName, PackageParser.Instrumentation>(); 435 436 // Mapping from permission names to info about them. 437 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 438 new HashMap<String, PackageParser.PermissionGroup>(); 439 440 // Packages whose data we have transfered into another package, thus 441 // should no longer exist. 442 final HashSet<String> mTransferedPackages = new HashSet<String>(); 443 444 // Broadcast actions that are only available to the system. 445 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 446 447 /** List of packages waiting for verification. */ 448 final SparseArray<PackageVerificationState> mPendingVerification 449 = new SparseArray<PackageVerificationState>(); 450 451 HashSet<PackageParser.Package> mDeferredDexOpt = null; 452 453 /** Token for keys in mPendingVerification. */ 454 private int mPendingVerificationToken = 0; 455 456 boolean mSystemReady; 457 boolean mSafeMode; 458 boolean mHasSystemUidErrors; 459 460 ApplicationInfo mAndroidApplication; 461 final ActivityInfo mResolveActivity = new ActivityInfo(); 462 final ResolveInfo mResolveInfo = new ResolveInfo(); 463 ComponentName mResolveComponentName; 464 PackageParser.Package mPlatformPackage; 465 ComponentName mCustomResolverComponentName; 466 467 boolean mResolverReplaced = false; 468 469 // Set of pending broadcasts for aggregating enable/disable of components. 470 static class PendingPackageBroadcasts { 471 // for each user id, a map of <package name -> components within that package> 472 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 473 474 public PendingPackageBroadcasts() { 475 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 476 } 477 478 public ArrayList<String> get(int userId, String packageName) { 479 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 480 return packages.get(packageName); 481 } 482 483 public void put(int userId, String packageName, ArrayList<String> components) { 484 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 485 packages.put(packageName, components); 486 } 487 488 public void remove(int userId, String packageName) { 489 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 490 if (packages != null) { 491 packages.remove(packageName); 492 } 493 } 494 495 public void remove(int userId) { 496 mUidMap.remove(userId); 497 } 498 499 public int userIdCount() { 500 return mUidMap.size(); 501 } 502 503 public int userIdAt(int n) { 504 return mUidMap.keyAt(n); 505 } 506 507 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 508 return mUidMap.get(userId); 509 } 510 511 public int size() { 512 // total number of pending broadcast entries across all userIds 513 int num = 0; 514 for (int i = 0; i< mUidMap.size(); i++) { 515 num += mUidMap.valueAt(i).size(); 516 } 517 return num; 518 } 519 520 public void clear() { 521 mUidMap.clear(); 522 } 523 524 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 525 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 526 if (map == null) { 527 map = new HashMap<String, ArrayList<String>>(); 528 mUidMap.put(userId, map); 529 } 530 return map; 531 } 532 } 533 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 534 535 // Service Connection to remote media container service to copy 536 // package uri's from external media onto secure containers 537 // or internal storage. 538 private IMediaContainerService mContainerService = null; 539 540 static final int SEND_PENDING_BROADCAST = 1; 541 static final int MCS_BOUND = 3; 542 static final int END_COPY = 4; 543 static final int INIT_COPY = 5; 544 static final int MCS_UNBIND = 6; 545 static final int START_CLEANING_PACKAGE = 7; 546 static final int FIND_INSTALL_LOC = 8; 547 static final int POST_INSTALL = 9; 548 static final int MCS_RECONNECT = 10; 549 static final int MCS_GIVE_UP = 11; 550 static final int UPDATED_MEDIA_STATUS = 12; 551 static final int WRITE_SETTINGS = 13; 552 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 553 static final int PACKAGE_VERIFIED = 15; 554 static final int CHECK_PENDING_VERIFICATION = 16; 555 556 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 557 558 // Delay time in millisecs 559 static final int BROADCAST_DELAY = 10 * 1000; 560 561 static UserManagerService sUserManager; 562 563 // Stores a list of users whose package restrictions file needs to be updated 564 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 565 566 final private DefaultContainerConnection mDefContainerConn = 567 new DefaultContainerConnection(); 568 class DefaultContainerConnection implements ServiceConnection { 569 public void onServiceConnected(ComponentName name, IBinder service) { 570 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 571 IMediaContainerService imcs = 572 IMediaContainerService.Stub.asInterface(service); 573 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 574 } 575 576 public void onServiceDisconnected(ComponentName name) { 577 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 578 } 579 }; 580 581 // Recordkeeping of restore-after-install operations that are currently in flight 582 // between the Package Manager and the Backup Manager 583 class PostInstallData { 584 public InstallArgs args; 585 public PackageInstalledInfo res; 586 587 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 588 args = _a; 589 res = _r; 590 } 591 }; 592 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 593 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 594 595 private final String mRequiredVerifierPackage; 596 597 private final PackageUsage mPackageUsage = new PackageUsage(); 598 599 private class PackageUsage { 600 private static final int WRITE_INTERVAL 601 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 602 603 private final Object mFileLock = new Object(); 604 private final AtomicLong mLastWritten = new AtomicLong(0); 605 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 606 607 private boolean mIsFirstBoot = false; 608 609 boolean isFirstBoot() { 610 return mIsFirstBoot; 611 } 612 613 void write(boolean force) { 614 if (force) { 615 writeInternal(); 616 return; 617 } 618 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 619 && !DEBUG_DEXOPT) { 620 return; 621 } 622 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 623 new Thread("PackageUsage_DiskWriter") { 624 @Override 625 public void run() { 626 try { 627 writeInternal(); 628 } finally { 629 mBackgroundWriteRunning.set(false); 630 } 631 } 632 }.start(); 633 } 634 } 635 636 private void writeInternal() { 637 synchronized (mPackages) { 638 synchronized (mFileLock) { 639 AtomicFile file = getFile(); 640 FileOutputStream f = null; 641 try { 642 f = file.startWrite(); 643 BufferedOutputStream out = new BufferedOutputStream(f); 644 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 645 StringBuilder sb = new StringBuilder(); 646 for (PackageParser.Package pkg : mPackages.values()) { 647 if (pkg.mLastPackageUsageTimeInMills == 0) { 648 continue; 649 } 650 sb.setLength(0); 651 sb.append(pkg.packageName); 652 sb.append(' '); 653 sb.append((long)pkg.mLastPackageUsageTimeInMills); 654 sb.append('\n'); 655 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 656 } 657 out.flush(); 658 file.finishWrite(f); 659 } catch (IOException e) { 660 if (f != null) { 661 file.failWrite(f); 662 } 663 Log.e(TAG, "Failed to write package usage times", e); 664 } 665 } 666 } 667 mLastWritten.set(SystemClock.elapsedRealtime()); 668 } 669 670 void readLP() { 671 synchronized (mFileLock) { 672 AtomicFile file = getFile(); 673 BufferedInputStream in = null; 674 try { 675 in = new BufferedInputStream(file.openRead()); 676 StringBuffer sb = new StringBuffer(); 677 while (true) { 678 String packageName = readToken(in, sb, ' '); 679 if (packageName == null) { 680 break; 681 } 682 String timeInMillisString = readToken(in, sb, '\n'); 683 if (timeInMillisString == null) { 684 throw new IOException("Failed to find last usage time for package " 685 + packageName); 686 } 687 PackageParser.Package pkg = mPackages.get(packageName); 688 if (pkg == null) { 689 continue; 690 } 691 long timeInMillis; 692 try { 693 timeInMillis = Long.parseLong(timeInMillisString.toString()); 694 } catch (NumberFormatException e) { 695 throw new IOException("Failed to parse " + timeInMillisString 696 + " as a long.", e); 697 } 698 pkg.mLastPackageUsageTimeInMills = timeInMillis; 699 } 700 } catch (FileNotFoundException expected) { 701 mIsFirstBoot = true; 702 } catch (IOException e) { 703 Log.w(TAG, "Failed to read package usage times", e); 704 } finally { 705 IoUtils.closeQuietly(in); 706 } 707 } 708 mLastWritten.set(SystemClock.elapsedRealtime()); 709 } 710 711 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 712 throws IOException { 713 sb.setLength(0); 714 while (true) { 715 int ch = in.read(); 716 if (ch == -1) { 717 if (sb.length() == 0) { 718 return null; 719 } 720 throw new IOException("Unexpected EOF"); 721 } 722 if (ch == endOfToken) { 723 return sb.toString(); 724 } 725 sb.append((char)ch); 726 } 727 } 728 729 private AtomicFile getFile() { 730 File dataDir = Environment.getDataDirectory(); 731 File systemDir = new File(dataDir, "system"); 732 File fname = new File(systemDir, "package-usage.list"); 733 return new AtomicFile(fname); 734 } 735 } 736 737 class PackageHandler extends Handler { 738 private boolean mBound = false; 739 final ArrayList<HandlerParams> mPendingInstalls = 740 new ArrayList<HandlerParams>(); 741 742 private boolean connectToService() { 743 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 744 " DefaultContainerService"); 745 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 746 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 747 if (mContext.bindServiceAsUser(service, mDefContainerConn, 748 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 749 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 750 mBound = true; 751 return true; 752 } 753 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 754 return false; 755 } 756 757 private void disconnectService() { 758 mContainerService = null; 759 mBound = false; 760 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 761 mContext.unbindService(mDefContainerConn); 762 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 763 } 764 765 PackageHandler(Looper looper) { 766 super(looper); 767 } 768 769 public void handleMessage(Message msg) { 770 try { 771 doHandleMessage(msg); 772 } finally { 773 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 774 } 775 } 776 777 void doHandleMessage(Message msg) { 778 switch (msg.what) { 779 case INIT_COPY: { 780 HandlerParams params = (HandlerParams) msg.obj; 781 int idx = mPendingInstalls.size(); 782 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 783 // If a bind was already initiated we dont really 784 // need to do anything. The pending install 785 // will be processed later on. 786 if (!mBound) { 787 // If this is the only one pending we might 788 // have to bind to the service again. 789 if (!connectToService()) { 790 Slog.e(TAG, "Failed to bind to media container service"); 791 params.serviceError(); 792 return; 793 } else { 794 // Once we bind to the service, the first 795 // pending request will be processed. 796 mPendingInstalls.add(idx, params); 797 } 798 } else { 799 mPendingInstalls.add(idx, params); 800 // Already bound to the service. Just make 801 // sure we trigger off processing the first request. 802 if (idx == 0) { 803 mHandler.sendEmptyMessage(MCS_BOUND); 804 } 805 } 806 break; 807 } 808 case MCS_BOUND: { 809 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 810 if (msg.obj != null) { 811 mContainerService = (IMediaContainerService) msg.obj; 812 } 813 if (mContainerService == null) { 814 // Something seriously wrong. Bail out 815 Slog.e(TAG, "Cannot bind to media container service"); 816 for (HandlerParams params : mPendingInstalls) { 817 // Indicate service bind error 818 params.serviceError(); 819 } 820 mPendingInstalls.clear(); 821 } else if (mPendingInstalls.size() > 0) { 822 HandlerParams params = mPendingInstalls.get(0); 823 if (params != null) { 824 if (params.startCopy()) { 825 // We are done... look for more work or to 826 // go idle. 827 if (DEBUG_SD_INSTALL) Log.i(TAG, 828 "Checking for more work or unbind..."); 829 // Delete pending install 830 if (mPendingInstalls.size() > 0) { 831 mPendingInstalls.remove(0); 832 } 833 if (mPendingInstalls.size() == 0) { 834 if (mBound) { 835 if (DEBUG_SD_INSTALL) Log.i(TAG, 836 "Posting delayed MCS_UNBIND"); 837 removeMessages(MCS_UNBIND); 838 Message ubmsg = obtainMessage(MCS_UNBIND); 839 // Unbind after a little delay, to avoid 840 // continual thrashing. 841 sendMessageDelayed(ubmsg, 10000); 842 } 843 } else { 844 // There are more pending requests in queue. 845 // Just post MCS_BOUND message to trigger processing 846 // of next pending install. 847 if (DEBUG_SD_INSTALL) Log.i(TAG, 848 "Posting MCS_BOUND for next woek"); 849 mHandler.sendEmptyMessage(MCS_BOUND); 850 } 851 } 852 } 853 } else { 854 // Should never happen ideally. 855 Slog.w(TAG, "Empty queue"); 856 } 857 break; 858 } 859 case MCS_RECONNECT: { 860 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 861 if (mPendingInstalls.size() > 0) { 862 if (mBound) { 863 disconnectService(); 864 } 865 if (!connectToService()) { 866 Slog.e(TAG, "Failed to bind to media container service"); 867 for (HandlerParams params : mPendingInstalls) { 868 // Indicate service bind error 869 params.serviceError(); 870 } 871 mPendingInstalls.clear(); 872 } 873 } 874 break; 875 } 876 case MCS_UNBIND: { 877 // If there is no actual work left, then time to unbind. 878 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 879 880 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 881 if (mBound) { 882 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 883 884 disconnectService(); 885 } 886 } else if (mPendingInstalls.size() > 0) { 887 // There are more pending requests in queue. 888 // Just post MCS_BOUND message to trigger processing 889 // of next pending install. 890 mHandler.sendEmptyMessage(MCS_BOUND); 891 } 892 893 break; 894 } 895 case MCS_GIVE_UP: { 896 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 897 mPendingInstalls.remove(0); 898 break; 899 } 900 case SEND_PENDING_BROADCAST: { 901 String packages[]; 902 ArrayList<String> components[]; 903 int size = 0; 904 int uids[]; 905 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 906 synchronized (mPackages) { 907 if (mPendingBroadcasts == null) { 908 return; 909 } 910 size = mPendingBroadcasts.size(); 911 if (size <= 0) { 912 // Nothing to be done. Just return 913 return; 914 } 915 packages = new String[size]; 916 components = new ArrayList[size]; 917 uids = new int[size]; 918 int i = 0; // filling out the above arrays 919 920 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 921 int packageUserId = mPendingBroadcasts.userIdAt(n); 922 Iterator<Map.Entry<String, ArrayList<String>>> it 923 = mPendingBroadcasts.packagesForUserId(packageUserId) 924 .entrySet().iterator(); 925 while (it.hasNext() && i < size) { 926 Map.Entry<String, ArrayList<String>> ent = it.next(); 927 packages[i] = ent.getKey(); 928 components[i] = ent.getValue(); 929 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 930 uids[i] = (ps != null) 931 ? UserHandle.getUid(packageUserId, ps.appId) 932 : -1; 933 i++; 934 } 935 } 936 size = i; 937 mPendingBroadcasts.clear(); 938 } 939 // Send broadcasts 940 for (int i = 0; i < size; i++) { 941 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 942 } 943 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 944 break; 945 } 946 case START_CLEANING_PACKAGE: { 947 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 948 final String packageName = (String)msg.obj; 949 final int userId = msg.arg1; 950 final boolean andCode = msg.arg2 != 0; 951 synchronized (mPackages) { 952 if (userId == UserHandle.USER_ALL) { 953 int[] users = sUserManager.getUserIds(); 954 for (int user : users) { 955 mSettings.addPackageToCleanLPw( 956 new PackageCleanItem(user, packageName, andCode)); 957 } 958 } else { 959 mSettings.addPackageToCleanLPw( 960 new PackageCleanItem(userId, packageName, andCode)); 961 } 962 } 963 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 964 startCleaningPackages(); 965 } break; 966 case POST_INSTALL: { 967 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 968 PostInstallData data = mRunningInstalls.get(msg.arg1); 969 mRunningInstalls.delete(msg.arg1); 970 boolean deleteOld = false; 971 972 if (data != null) { 973 InstallArgs args = data.args; 974 PackageInstalledInfo res = data.res; 975 976 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 977 res.removedInfo.sendBroadcast(false, true, false); 978 Bundle extras = new Bundle(1); 979 extras.putInt(Intent.EXTRA_UID, res.uid); 980 // Determine the set of users who are adding this 981 // package for the first time vs. those who are seeing 982 // an update. 983 int[] firstUsers; 984 int[] updateUsers = new int[0]; 985 if (res.origUsers == null || res.origUsers.length == 0) { 986 firstUsers = res.newUsers; 987 } else { 988 firstUsers = new int[0]; 989 for (int i=0; i<res.newUsers.length; i++) { 990 int user = res.newUsers[i]; 991 boolean isNew = true; 992 for (int j=0; j<res.origUsers.length; j++) { 993 if (res.origUsers[j] == user) { 994 isNew = false; 995 break; 996 } 997 } 998 if (isNew) { 999 int[] newFirst = new int[firstUsers.length+1]; 1000 System.arraycopy(firstUsers, 0, newFirst, 0, 1001 firstUsers.length); 1002 newFirst[firstUsers.length] = user; 1003 firstUsers = newFirst; 1004 } else { 1005 int[] newUpdate = new int[updateUsers.length+1]; 1006 System.arraycopy(updateUsers, 0, newUpdate, 0, 1007 updateUsers.length); 1008 newUpdate[updateUsers.length] = user; 1009 updateUsers = newUpdate; 1010 } 1011 } 1012 } 1013 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1014 res.pkg.applicationInfo.packageName, 1015 extras, null, null, firstUsers); 1016 final boolean update = res.removedInfo.removedPackage != null; 1017 if (update) { 1018 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1019 } 1020 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1021 res.pkg.applicationInfo.packageName, 1022 extras, null, null, updateUsers); 1023 if (update) { 1024 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1025 res.pkg.applicationInfo.packageName, 1026 extras, null, null, updateUsers); 1027 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1028 null, null, 1029 res.pkg.applicationInfo.packageName, null, updateUsers); 1030 1031 // treat asec-hosted packages like removable media on upgrade 1032 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1033 if (DEBUG_INSTALL) { 1034 Slog.i(TAG, "upgrading pkg " + res.pkg 1035 + " is ASEC-hosted -> AVAILABLE"); 1036 } 1037 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1038 ArrayList<String> pkgList = new ArrayList<String>(1); 1039 pkgList.add(res.pkg.applicationInfo.packageName); 1040 sendResourcesChangedBroadcast(true, true, 1041 pkgList,uidArray, null); 1042 } 1043 } 1044 if (res.removedInfo.args != null) { 1045 // Remove the replaced package's older resources safely now 1046 deleteOld = true; 1047 } 1048 1049 // Log current value of "unknown sources" setting 1050 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1051 getUnknownSourcesSettings()); 1052 } 1053 // Force a gc to clear up things 1054 Runtime.getRuntime().gc(); 1055 // We delete after a gc for applications on sdcard. 1056 if (deleteOld) { 1057 synchronized (mInstallLock) { 1058 res.removedInfo.args.doPostDeleteLI(true); 1059 } 1060 } 1061 if (args.observer != null) { 1062 try { 1063 args.observer.packageInstalled(res.name, res.returnCode); 1064 } catch (RemoteException e) { 1065 Slog.i(TAG, "Observer no longer exists."); 1066 } 1067 } 1068 } else { 1069 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1070 } 1071 } break; 1072 case UPDATED_MEDIA_STATUS: { 1073 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1074 boolean reportStatus = msg.arg1 == 1; 1075 boolean doGc = msg.arg2 == 1; 1076 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1077 if (doGc) { 1078 // Force a gc to clear up stale containers. 1079 Runtime.getRuntime().gc(); 1080 } 1081 if (msg.obj != null) { 1082 @SuppressWarnings("unchecked") 1083 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1084 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1085 // Unload containers 1086 unloadAllContainers(args); 1087 } 1088 if (reportStatus) { 1089 try { 1090 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1091 PackageHelper.getMountService().finishMediaUpdate(); 1092 } catch (RemoteException e) { 1093 Log.e(TAG, "MountService not running?"); 1094 } 1095 } 1096 } break; 1097 case WRITE_SETTINGS: { 1098 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1099 synchronized (mPackages) { 1100 removeMessages(WRITE_SETTINGS); 1101 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1102 mSettings.writeLPr(); 1103 mDirtyUsers.clear(); 1104 } 1105 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1106 } break; 1107 case WRITE_PACKAGE_RESTRICTIONS: { 1108 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1109 synchronized (mPackages) { 1110 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1111 for (int userId : mDirtyUsers) { 1112 mSettings.writePackageRestrictionsLPr(userId); 1113 } 1114 mDirtyUsers.clear(); 1115 } 1116 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1117 } break; 1118 case CHECK_PENDING_VERIFICATION: { 1119 final int verificationId = msg.arg1; 1120 final PackageVerificationState state = mPendingVerification.get(verificationId); 1121 1122 if ((state != null) && !state.timeoutExtended()) { 1123 final InstallArgs args = state.getInstallArgs(); 1124 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1125 mPendingVerification.remove(verificationId); 1126 1127 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1128 1129 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1130 Slog.i(TAG, "Continuing with installation of " 1131 + args.packageURI.toString()); 1132 state.setVerifierResponse(Binder.getCallingUid(), 1133 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1134 broadcastPackageVerified(verificationId, args.packageURI, 1135 PackageManager.VERIFICATION_ALLOW, 1136 state.getInstallArgs().getUser()); 1137 try { 1138 ret = args.copyApk(mContainerService, true); 1139 } catch (RemoteException e) { 1140 Slog.e(TAG, "Could not contact the ContainerService"); 1141 } 1142 } else { 1143 broadcastPackageVerified(verificationId, args.packageURI, 1144 PackageManager.VERIFICATION_REJECT, 1145 state.getInstallArgs().getUser()); 1146 } 1147 1148 processPendingInstall(args, ret); 1149 mHandler.sendEmptyMessage(MCS_UNBIND); 1150 } 1151 break; 1152 } 1153 case PACKAGE_VERIFIED: { 1154 final int verificationId = msg.arg1; 1155 1156 final PackageVerificationState state = mPendingVerification.get(verificationId); 1157 if (state == null) { 1158 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1159 break; 1160 } 1161 1162 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1163 1164 state.setVerifierResponse(response.callerUid, response.code); 1165 1166 if (state.isVerificationComplete()) { 1167 mPendingVerification.remove(verificationId); 1168 1169 final InstallArgs args = state.getInstallArgs(); 1170 1171 int ret; 1172 if (state.isInstallAllowed()) { 1173 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1174 broadcastPackageVerified(verificationId, args.packageURI, 1175 response.code, state.getInstallArgs().getUser()); 1176 try { 1177 ret = args.copyApk(mContainerService, true); 1178 } catch (RemoteException e) { 1179 Slog.e(TAG, "Could not contact the ContainerService"); 1180 } 1181 } else { 1182 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1183 } 1184 1185 processPendingInstall(args, ret); 1186 1187 mHandler.sendEmptyMessage(MCS_UNBIND); 1188 } 1189 1190 break; 1191 } 1192 } 1193 } 1194 } 1195 1196 void scheduleWriteSettingsLocked() { 1197 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1198 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1199 } 1200 } 1201 1202 void scheduleWritePackageRestrictionsLocked(int userId) { 1203 if (!sUserManager.exists(userId)) return; 1204 mDirtyUsers.add(userId); 1205 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1206 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1207 } 1208 } 1209 1210 public static final IPackageManager main(Context context, Installer installer, 1211 boolean factoryTest, boolean onlyCore) { 1212 PackageManagerService m = new PackageManagerService(context, installer, 1213 factoryTest, onlyCore); 1214 ServiceManager.addService("package", m); 1215 return m; 1216 } 1217 1218 static String[] splitString(String str, char sep) { 1219 int count = 1; 1220 int i = 0; 1221 while ((i=str.indexOf(sep, i)) >= 0) { 1222 count++; 1223 i++; 1224 } 1225 1226 String[] res = new String[count]; 1227 i=0; 1228 count = 0; 1229 int lastI=0; 1230 while ((i=str.indexOf(sep, i)) >= 0) { 1231 res[count] = str.substring(lastI, i); 1232 count++; 1233 i++; 1234 lastI = i; 1235 } 1236 res[count] = str.substring(lastI, str.length()); 1237 return res; 1238 } 1239 1240 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1241 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1242 Context.DISPLAY_SERVICE); 1243 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1244 } 1245 1246 public PackageManagerService(Context context, Installer installer, 1247 boolean factoryTest, boolean onlyCore) { 1248 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1249 SystemClock.uptimeMillis()); 1250 1251 if (mSdkVersion <= 0) { 1252 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1253 } 1254 1255 mContext = context; 1256 mFactoryTest = factoryTest; 1257 mOnlyCore = onlyCore; 1258 mMetrics = new DisplayMetrics(); 1259 mSettings = new Settings(context); 1260 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1261 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1262 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1263 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1264 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1265 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1266 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1267 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1268 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1269 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1270 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1271 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1272 1273 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1274 if (separateProcesses != null && separateProcesses.length() > 0) { 1275 if ("*".equals(separateProcesses)) { 1276 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1277 mSeparateProcesses = null; 1278 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1279 } else { 1280 mDefParseFlags = 0; 1281 mSeparateProcesses = separateProcesses.split(","); 1282 Slog.w(TAG, "Running with debug.separate_processes: " 1283 + separateProcesses); 1284 } 1285 } else { 1286 mDefParseFlags = 0; 1287 mSeparateProcesses = null; 1288 } 1289 1290 mInstaller = installer; 1291 1292 getDefaultDisplayMetrics(context, mMetrics); 1293 1294 synchronized (mInstallLock) { 1295 // writer 1296 synchronized (mPackages) { 1297 mHandlerThread = new ServiceThread(TAG, 1298 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1299 mHandlerThread.start(); 1300 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1301 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1302 1303 File dataDir = Environment.getDataDirectory(); 1304 mAppDataDir = new File(dataDir, "data"); 1305 mAppInstallDir = new File(dataDir, "app"); 1306 mAppLibInstallDir = new File(dataDir, "app-lib"); 1307 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1308 mUserAppDataDir = new File(dataDir, "user"); 1309 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1310 1311 sUserManager = new UserManagerService(context, this, 1312 mInstallLock, mPackages); 1313 1314 readPermissions(); 1315 1316 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1317 1318 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1319 mSdkVersion, mOnlyCore); 1320 1321 String customResolverActivity = Resources.getSystem().getString( 1322 R.string.config_customResolverActivity); 1323 if (TextUtils.isEmpty(customResolverActivity)) { 1324 customResolverActivity = null; 1325 } else { 1326 mCustomResolverComponentName = ComponentName.unflattenFromString( 1327 customResolverActivity); 1328 } 1329 1330 long startTime = SystemClock.uptimeMillis(); 1331 1332 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1333 startTime); 1334 1335 // Set flag to monitor and not change apk file paths when 1336 // scanning install directories. 1337 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1338 1339 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1340 1341 /** 1342 * Add everything in the in the boot class path to the 1343 * list of process files because dexopt will have been run 1344 * if necessary during zygote startup. 1345 */ 1346 String bootClassPath = System.getProperty("java.boot.class.path"); 1347 if (bootClassPath != null) { 1348 String[] paths = splitString(bootClassPath, ':'); 1349 for (int i=0; i<paths.length; i++) { 1350 alreadyDexOpted.add(paths[i]); 1351 } 1352 } else { 1353 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1354 } 1355 1356 boolean didDexOptLibraryOrTool = false; 1357 1358 final List<String> instructionSets = getAllInstructionSets(); 1359 1360 /** 1361 * Ensure all external libraries have had dexopt run on them. 1362 */ 1363 if (mSharedLibraries.size() > 0) { 1364 // NOTE: For now, we're compiling these system "shared libraries" 1365 // (and framework jars) into all available architectures. It's possible 1366 // to compile them only when we come across an app that uses them (there's 1367 // already logic for that in scanPackageLI) but that adds some complexity. 1368 for (String instructionSet : instructionSets) { 1369 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1370 final String lib = libEntry.path; 1371 if (lib == null) { 1372 continue; 1373 } 1374 1375 try { 1376 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1377 alreadyDexOpted.add(lib); 1378 1379 // The list of "shared libraries" we have at this point is 1380 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1381 didDexOptLibraryOrTool = true; 1382 } 1383 } catch (FileNotFoundException e) { 1384 Slog.w(TAG, "Library not found: " + lib); 1385 } catch (IOException e) { 1386 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1387 + e.getMessage()); 1388 } 1389 } 1390 } 1391 } 1392 1393 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1394 1395 // Gross hack for now: we know this file doesn't contain any 1396 // code, so don't dexopt it to avoid the resulting log spew. 1397 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1398 1399 // Gross hack for now: we know this file is only part of 1400 // the boot class path for art, so don't dexopt it to 1401 // avoid the resulting log spew. 1402 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1403 1404 /** 1405 * And there are a number of commands implemented in Java, which 1406 * we currently need to do the dexopt on so that they can be 1407 * run from a non-root shell. 1408 */ 1409 String[] frameworkFiles = frameworkDir.list(); 1410 if (frameworkFiles != null) { 1411 // TODO: We could compile these only for the most preferred ABI. We should 1412 // first double check that the dex files for these commands are not referenced 1413 // by other system apps. 1414 for (String instructionSet : instructionSets) { 1415 for (int i=0; i<frameworkFiles.length; i++) { 1416 File libPath = new File(frameworkDir, frameworkFiles[i]); 1417 String path = libPath.getPath(); 1418 // Skip the file if we already did it. 1419 if (alreadyDexOpted.contains(path)) { 1420 continue; 1421 } 1422 // Skip the file if it is not a type we want to dexopt. 1423 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1424 continue; 1425 } 1426 try { 1427 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1428 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1429 didDexOptLibraryOrTool = true; 1430 } 1431 } catch (FileNotFoundException e) { 1432 Slog.w(TAG, "Jar not found: " + path); 1433 } catch (IOException e) { 1434 Slog.w(TAG, "Exception reading jar: " + path, e); 1435 } 1436 } 1437 } 1438 } 1439 1440 if (didDexOptLibraryOrTool) { 1441 pruneDexFiles(new File(dataDir, "dalvik-cache")); 1442 } 1443 1444 // Collect vendor overlay packages. 1445 // (Do this before scanning any apps.) 1446 // For security and version matching reason, only consider 1447 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1448 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1449 mVendorOverlayInstallObserver = new AppDirObserver( 1450 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1451 mVendorOverlayInstallObserver.startWatching(); 1452 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1453 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1454 1455 // Find base frameworks (resource packages without code). 1456 mFrameworkInstallObserver = new AppDirObserver( 1457 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1458 mFrameworkInstallObserver.startWatching(); 1459 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1460 | PackageParser.PARSE_IS_SYSTEM_DIR 1461 | PackageParser.PARSE_IS_PRIVILEGED, 1462 scanMode | SCAN_NO_DEX, 0); 1463 1464 // Collected privileged system packages. 1465 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1466 mPrivilegedInstallObserver = new AppDirObserver( 1467 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1468 mPrivilegedInstallObserver.startWatching(); 1469 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1470 | PackageParser.PARSE_IS_SYSTEM_DIR 1471 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1472 1473 // Collect ordinary system packages. 1474 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1475 mSystemInstallObserver = new AppDirObserver( 1476 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1477 mSystemInstallObserver.startWatching(); 1478 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1479 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1480 1481 // Collect all vendor packages. 1482 File vendorAppDir = new File("/vendor/app"); 1483 try { 1484 vendorAppDir = vendorAppDir.getCanonicalFile(); 1485 } catch (IOException e) { 1486 // failed to look up canonical path, continue with original one 1487 } 1488 mVendorInstallObserver = new AppDirObserver( 1489 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1490 mVendorInstallObserver.startWatching(); 1491 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1492 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1493 1494 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1495 mInstaller.moveFiles(); 1496 1497 // Prune any system packages that no longer exist. 1498 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1499 if (!mOnlyCore) { 1500 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1501 while (psit.hasNext()) { 1502 PackageSetting ps = psit.next(); 1503 1504 /* 1505 * If this is not a system app, it can't be a 1506 * disable system app. 1507 */ 1508 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1509 continue; 1510 } 1511 1512 /* 1513 * If the package is scanned, it's not erased. 1514 */ 1515 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1516 if (scannedPkg != null) { 1517 /* 1518 * If the system app is both scanned and in the 1519 * disabled packages list, then it must have been 1520 * added via OTA. Remove it from the currently 1521 * scanned package so the previously user-installed 1522 * application can be scanned. 1523 */ 1524 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1525 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1526 + "; removing system app"); 1527 removePackageLI(ps, true); 1528 } 1529 1530 continue; 1531 } 1532 1533 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1534 psit.remove(); 1535 String msg = "System package " + ps.name 1536 + " no longer exists; wiping its data"; 1537 reportSettingsProblem(Log.WARN, msg); 1538 removeDataDirsLI(ps.name); 1539 } else { 1540 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1541 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1542 possiblyDeletedUpdatedSystemApps.add(ps.name); 1543 } 1544 } 1545 } 1546 } 1547 1548 //look for any incomplete package installations 1549 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1550 //clean up list 1551 for(int i = 0; i < deletePkgsList.size(); i++) { 1552 //clean up here 1553 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1554 } 1555 //delete tmp files 1556 deleteTempPackageFiles(); 1557 1558 // Remove any shared userIDs that have no associated packages 1559 mSettings.pruneSharedUsersLPw(); 1560 1561 if (!mOnlyCore) { 1562 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1563 SystemClock.uptimeMillis()); 1564 mAppInstallObserver = new AppDirObserver( 1565 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1566 mAppInstallObserver.startWatching(); 1567 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1568 1569 mDrmAppInstallObserver = new AppDirObserver( 1570 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1571 mDrmAppInstallObserver.startWatching(); 1572 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1573 scanMode, 0); 1574 1575 /** 1576 * Remove disable package settings for any updated system 1577 * apps that were removed via an OTA. If they're not a 1578 * previously-updated app, remove them completely. 1579 * Otherwise, just revoke their system-level permissions. 1580 */ 1581 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1582 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1583 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1584 1585 String msg; 1586 if (deletedPkg == null) { 1587 msg = "Updated system package " + deletedAppName 1588 + " no longer exists; wiping its data"; 1589 removeDataDirsLI(deletedAppName); 1590 } else { 1591 msg = "Updated system app + " + deletedAppName 1592 + " no longer present; removing system privileges for " 1593 + deletedAppName; 1594 1595 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1596 1597 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1598 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1599 } 1600 reportSettingsProblem(Log.WARN, msg); 1601 } 1602 } else { 1603 mAppInstallObserver = null; 1604 mDrmAppInstallObserver = null; 1605 } 1606 1607 // Now that we know all of the shared libraries, update all clients to have 1608 // the correct library paths. 1609 updateAllSharedLibrariesLPw(); 1610 1611 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1612 adjustCpuAbisForSharedUserLPw(setting.packages, true /* do dexopt */, 1613 false /* force dexopt */, false /* defer dexopt */); 1614 } 1615 1616 // Now that we know all the packages we are keeping, 1617 // read and update their last usage times. 1618 mPackageUsage.readLP(); 1619 1620 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1621 SystemClock.uptimeMillis()); 1622 Slog.i(TAG, "Time to scan packages: " 1623 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1624 + " seconds"); 1625 1626 // If the platform SDK has changed since the last time we booted, 1627 // we need to re-grant app permission to catch any new ones that 1628 // appear. This is really a hack, and means that apps can in some 1629 // cases get permissions that the user didn't initially explicitly 1630 // allow... it would be nice to have some better way to handle 1631 // this situation. 1632 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1633 != mSdkVersion; 1634 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1635 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1636 + "; regranting permissions for internal storage"); 1637 mSettings.mInternalSdkPlatform = mSdkVersion; 1638 1639 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1640 | (regrantPermissions 1641 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1642 : 0)); 1643 1644 // If this is the first boot, and it is a normal boot, then 1645 // we need to initialize the default preferred apps. 1646 if (!mRestoredSettings && !onlyCore) { 1647 mSettings.readDefaultPreferredAppsLPw(this, 0); 1648 } 1649 1650 // can downgrade to reader 1651 mSettings.writeLPr(); 1652 1653 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1654 SystemClock.uptimeMillis()); 1655 1656 // Now after opening every single application zip, make sure they 1657 // are all flushed. Not really needed, but keeps things nice and 1658 // tidy. 1659 Runtime.getRuntime().gc(); 1660 1661 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1662 } // synchronized (mPackages) 1663 } // synchronized (mInstallLock) 1664 } 1665 1666 private static void pruneDexFiles(File cacheDir) { 1667 // If we had to do a dexopt of one of the previous 1668 // things, then something on the system has changed. 1669 // Consider this significant, and wipe away all other 1670 // existing dexopt files to ensure we don't leave any 1671 // dangling around. 1672 // 1673 // Additionally, delete all dex files from the root directory 1674 // since there shouldn't be any there anyway. 1675 // 1676 // Note: This isn't as good an indicator as it used to be. It 1677 // used to include the boot classpath but at some point 1678 // DexFile.isDexOptNeeded started returning false for the boot 1679 // class path files in all cases. It is very possible in a 1680 // small maintenance release update that the library and tool 1681 // jars may be unchanged but APK could be removed resulting in 1682 // unused dalvik-cache files. 1683 File[] files = cacheDir.listFiles(); 1684 if (files != null) { 1685 for (File file : files) { 1686 if (!file.isDirectory()) { 1687 Slog.i(TAG, "Pruning dalvik file: " + file.getAbsolutePath()); 1688 file.delete(); 1689 } else { 1690 File[] subDirList = file.listFiles(); 1691 if (subDirList != null) { 1692 for (File subDirFile : subDirList) { 1693 final String fn = subDirFile.getName(); 1694 if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { 1695 Slog.i(TAG, "Pruning dalvik file: " + fn); 1696 subDirFile.delete(); 1697 } 1698 } 1699 } 1700 } 1701 } 1702 } 1703 } 1704 1705 @Override 1706 public boolean isFirstBoot() { 1707 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1708 } 1709 1710 @Override 1711 public boolean isOnlyCoreApps() { 1712 return mOnlyCore; 1713 } 1714 1715 private String getRequiredVerifierLPr() { 1716 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1717 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1718 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1719 1720 String requiredVerifier = null; 1721 1722 final int N = receivers.size(); 1723 for (int i = 0; i < N; i++) { 1724 final ResolveInfo info = receivers.get(i); 1725 1726 if (info.activityInfo == null) { 1727 continue; 1728 } 1729 1730 final String packageName = info.activityInfo.packageName; 1731 1732 final PackageSetting ps = mSettings.mPackages.get(packageName); 1733 if (ps == null) { 1734 continue; 1735 } 1736 1737 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1738 if (!gp.grantedPermissions 1739 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1740 continue; 1741 } 1742 1743 if (requiredVerifier != null) { 1744 throw new RuntimeException("There can be only one required verifier"); 1745 } 1746 1747 requiredVerifier = packageName; 1748 } 1749 1750 return requiredVerifier; 1751 } 1752 1753 @Override 1754 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1755 throws RemoteException { 1756 try { 1757 return super.onTransact(code, data, reply, flags); 1758 } catch (RuntimeException e) { 1759 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1760 Slog.wtf(TAG, "Package Manager Crash", e); 1761 } 1762 throw e; 1763 } 1764 } 1765 1766 void cleanupInstallFailedPackage(PackageSetting ps) { 1767 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1768 removeDataDirsLI(ps.name); 1769 if (ps.codePath != null) { 1770 if (!ps.codePath.delete()) { 1771 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1772 } 1773 } 1774 if (ps.resourcePath != null) { 1775 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1776 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1777 } 1778 } 1779 mSettings.removePackageLPw(ps.name); 1780 } 1781 1782 void readPermissions() { 1783 // Read permissions from .../etc/permission directory. 1784 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1785 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1786 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1787 return; 1788 } 1789 if (!libraryDir.canRead()) { 1790 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1791 return; 1792 } 1793 1794 // Iterate over the files in the directory and scan .xml files 1795 for (File f : libraryDir.listFiles()) { 1796 // We'll read platform.xml last 1797 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1798 continue; 1799 } 1800 1801 if (!f.getPath().endsWith(".xml")) { 1802 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1803 continue; 1804 } 1805 if (!f.canRead()) { 1806 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1807 continue; 1808 } 1809 1810 readPermissionsFromXml(f); 1811 } 1812 1813 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1814 final File permFile = new File(Environment.getRootDirectory(), 1815 "etc/permissions/platform.xml"); 1816 readPermissionsFromXml(permFile); 1817 } 1818 1819 private void readPermissionsFromXml(File permFile) { 1820 FileReader permReader = null; 1821 try { 1822 permReader = new FileReader(permFile); 1823 } catch (FileNotFoundException e) { 1824 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1825 return; 1826 } 1827 1828 try { 1829 XmlPullParser parser = Xml.newPullParser(); 1830 parser.setInput(permReader); 1831 1832 XmlUtils.beginDocument(parser, "permissions"); 1833 1834 while (true) { 1835 XmlUtils.nextElement(parser); 1836 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1837 break; 1838 } 1839 1840 String name = parser.getName(); 1841 if ("group".equals(name)) { 1842 String gidStr = parser.getAttributeValue(null, "gid"); 1843 if (gidStr != null) { 1844 int gid = Process.getGidForName(gidStr); 1845 mGlobalGids = appendInt(mGlobalGids, gid); 1846 } else { 1847 Slog.w(TAG, "<group> without gid at " 1848 + parser.getPositionDescription()); 1849 } 1850 1851 XmlUtils.skipCurrentTag(parser); 1852 continue; 1853 } else if ("permission".equals(name)) { 1854 String perm = parser.getAttributeValue(null, "name"); 1855 if (perm == null) { 1856 Slog.w(TAG, "<permission> without name at " 1857 + parser.getPositionDescription()); 1858 XmlUtils.skipCurrentTag(parser); 1859 continue; 1860 } 1861 perm = perm.intern(); 1862 readPermission(parser, perm); 1863 1864 } else if ("assign-permission".equals(name)) { 1865 String perm = parser.getAttributeValue(null, "name"); 1866 if (perm == null) { 1867 Slog.w(TAG, "<assign-permission> without name at " 1868 + parser.getPositionDescription()); 1869 XmlUtils.skipCurrentTag(parser); 1870 continue; 1871 } 1872 String uidStr = parser.getAttributeValue(null, "uid"); 1873 if (uidStr == null) { 1874 Slog.w(TAG, "<assign-permission> without uid at " 1875 + parser.getPositionDescription()); 1876 XmlUtils.skipCurrentTag(parser); 1877 continue; 1878 } 1879 int uid = Process.getUidForName(uidStr); 1880 if (uid < 0) { 1881 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1882 + uidStr + "\" at " 1883 + parser.getPositionDescription()); 1884 XmlUtils.skipCurrentTag(parser); 1885 continue; 1886 } 1887 perm = perm.intern(); 1888 HashSet<String> perms = mSystemPermissions.get(uid); 1889 if (perms == null) { 1890 perms = new HashSet<String>(); 1891 mSystemPermissions.put(uid, perms); 1892 } 1893 perms.add(perm); 1894 XmlUtils.skipCurrentTag(parser); 1895 1896 } else if ("library".equals(name)) { 1897 String lname = parser.getAttributeValue(null, "name"); 1898 String lfile = parser.getAttributeValue(null, "file"); 1899 if (lname == null) { 1900 Slog.w(TAG, "<library> without name at " 1901 + parser.getPositionDescription()); 1902 } else if (lfile == null) { 1903 Slog.w(TAG, "<library> without file at " 1904 + parser.getPositionDescription()); 1905 } else { 1906 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1907 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1908 } 1909 XmlUtils.skipCurrentTag(parser); 1910 continue; 1911 1912 } else if ("feature".equals(name)) { 1913 String fname = parser.getAttributeValue(null, "name"); 1914 if (fname == null) { 1915 Slog.w(TAG, "<feature> without name at " 1916 + parser.getPositionDescription()); 1917 } else { 1918 //Log.i(TAG, "Got feature " + fname); 1919 FeatureInfo fi = new FeatureInfo(); 1920 fi.name = fname; 1921 mAvailableFeatures.put(fname, fi); 1922 } 1923 XmlUtils.skipCurrentTag(parser); 1924 continue; 1925 1926 } else { 1927 XmlUtils.skipCurrentTag(parser); 1928 continue; 1929 } 1930 1931 } 1932 permReader.close(); 1933 } catch (XmlPullParserException e) { 1934 Slog.w(TAG, "Got execption parsing permissions.", e); 1935 } catch (IOException e) { 1936 Slog.w(TAG, "Got execption parsing permissions.", e); 1937 } 1938 } 1939 1940 void readPermission(XmlPullParser parser, String name) 1941 throws IOException, XmlPullParserException { 1942 1943 name = name.intern(); 1944 1945 BasePermission bp = mSettings.mPermissions.get(name); 1946 if (bp == null) { 1947 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1948 mSettings.mPermissions.put(name, bp); 1949 } 1950 int outerDepth = parser.getDepth(); 1951 int type; 1952 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1953 && (type != XmlPullParser.END_TAG 1954 || parser.getDepth() > outerDepth)) { 1955 if (type == XmlPullParser.END_TAG 1956 || type == XmlPullParser.TEXT) { 1957 continue; 1958 } 1959 1960 String tagName = parser.getName(); 1961 if ("group".equals(tagName)) { 1962 String gidStr = parser.getAttributeValue(null, "gid"); 1963 if (gidStr != null) { 1964 int gid = Process.getGidForName(gidStr); 1965 bp.gids = appendInt(bp.gids, gid); 1966 } else { 1967 Slog.w(TAG, "<group> without gid at " 1968 + parser.getPositionDescription()); 1969 } 1970 } 1971 XmlUtils.skipCurrentTag(parser); 1972 } 1973 } 1974 1975 static int[] appendInts(int[] cur, int[] add) { 1976 if (add == null) return cur; 1977 if (cur == null) return add; 1978 final int N = add.length; 1979 for (int i=0; i<N; i++) { 1980 cur = appendInt(cur, add[i]); 1981 } 1982 return cur; 1983 } 1984 1985 static int[] removeInts(int[] cur, int[] rem) { 1986 if (rem == null) return cur; 1987 if (cur == null) return cur; 1988 final int N = rem.length; 1989 for (int i=0; i<N; i++) { 1990 cur = removeInt(cur, rem[i]); 1991 } 1992 return cur; 1993 } 1994 1995 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1996 if (!sUserManager.exists(userId)) return null; 1997 final PackageSetting ps = (PackageSetting) p.mExtras; 1998 if (ps == null) { 1999 return null; 2000 } 2001 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2002 final PackageUserState state = ps.readUserState(userId); 2003 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2004 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2005 state, userId); 2006 } 2007 2008 @Override 2009 public boolean isPackageAvailable(String packageName, int userId) { 2010 if (!sUserManager.exists(userId)) return false; 2011 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 2012 synchronized (mPackages) { 2013 PackageParser.Package p = mPackages.get(packageName); 2014 if (p != null) { 2015 final PackageSetting ps = (PackageSetting) p.mExtras; 2016 if (ps != null) { 2017 final PackageUserState state = ps.readUserState(userId); 2018 if (state != null) { 2019 return PackageParser.isAvailable(state); 2020 } 2021 } 2022 } 2023 } 2024 return false; 2025 } 2026 2027 @Override 2028 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2029 if (!sUserManager.exists(userId)) return null; 2030 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 2031 // reader 2032 synchronized (mPackages) { 2033 PackageParser.Package p = mPackages.get(packageName); 2034 if (DEBUG_PACKAGE_INFO) 2035 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2036 if (p != null) { 2037 return generatePackageInfo(p, flags, userId); 2038 } 2039 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2040 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2041 } 2042 } 2043 return null; 2044 } 2045 2046 @Override 2047 public String[] currentToCanonicalPackageNames(String[] names) { 2048 String[] out = new String[names.length]; 2049 // reader 2050 synchronized (mPackages) { 2051 for (int i=names.length-1; i>=0; i--) { 2052 PackageSetting ps = mSettings.mPackages.get(names[i]); 2053 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2054 } 2055 } 2056 return out; 2057 } 2058 2059 @Override 2060 public String[] canonicalToCurrentPackageNames(String[] names) { 2061 String[] out = new String[names.length]; 2062 // reader 2063 synchronized (mPackages) { 2064 for (int i=names.length-1; i>=0; i--) { 2065 String cur = mSettings.mRenamedPackages.get(names[i]); 2066 out[i] = cur != null ? cur : names[i]; 2067 } 2068 } 2069 return out; 2070 } 2071 2072 @Override 2073 public int getPackageUid(String packageName, int userId) { 2074 if (!sUserManager.exists(userId)) return -1; 2075 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2076 // reader 2077 synchronized (mPackages) { 2078 PackageParser.Package p = mPackages.get(packageName); 2079 if(p != null) { 2080 return UserHandle.getUid(userId, p.applicationInfo.uid); 2081 } 2082 PackageSetting ps = mSettings.mPackages.get(packageName); 2083 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2084 return -1; 2085 } 2086 p = ps.pkg; 2087 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2088 } 2089 } 2090 2091 @Override 2092 public int[] getPackageGids(String packageName) { 2093 // reader 2094 synchronized (mPackages) { 2095 PackageParser.Package p = mPackages.get(packageName); 2096 if (DEBUG_PACKAGE_INFO) 2097 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2098 if (p != null) { 2099 final PackageSetting ps = (PackageSetting)p.mExtras; 2100 return ps.getGids(); 2101 } 2102 } 2103 // stupid thing to indicate an error. 2104 return new int[0]; 2105 } 2106 2107 static final PermissionInfo generatePermissionInfo( 2108 BasePermission bp, int flags) { 2109 if (bp.perm != null) { 2110 return PackageParser.generatePermissionInfo(bp.perm, flags); 2111 } 2112 PermissionInfo pi = new PermissionInfo(); 2113 pi.name = bp.name; 2114 pi.packageName = bp.sourcePackage; 2115 pi.nonLocalizedLabel = bp.name; 2116 pi.protectionLevel = bp.protectionLevel; 2117 return pi; 2118 } 2119 2120 @Override 2121 public PermissionInfo getPermissionInfo(String name, int flags) { 2122 // reader 2123 synchronized (mPackages) { 2124 final BasePermission p = mSettings.mPermissions.get(name); 2125 if (p != null) { 2126 return generatePermissionInfo(p, flags); 2127 } 2128 return null; 2129 } 2130 } 2131 2132 @Override 2133 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2134 // reader 2135 synchronized (mPackages) { 2136 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2137 for (BasePermission p : mSettings.mPermissions.values()) { 2138 if (group == null) { 2139 if (p.perm == null || p.perm.info.group == null) { 2140 out.add(generatePermissionInfo(p, flags)); 2141 } 2142 } else { 2143 if (p.perm != null && group.equals(p.perm.info.group)) { 2144 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2145 } 2146 } 2147 } 2148 2149 if (out.size() > 0) { 2150 return out; 2151 } 2152 return mPermissionGroups.containsKey(group) ? out : null; 2153 } 2154 } 2155 2156 @Override 2157 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2158 // reader 2159 synchronized (mPackages) { 2160 return PackageParser.generatePermissionGroupInfo( 2161 mPermissionGroups.get(name), flags); 2162 } 2163 } 2164 2165 @Override 2166 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2167 // reader 2168 synchronized (mPackages) { 2169 final int N = mPermissionGroups.size(); 2170 ArrayList<PermissionGroupInfo> out 2171 = new ArrayList<PermissionGroupInfo>(N); 2172 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2173 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2174 } 2175 return out; 2176 } 2177 } 2178 2179 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2180 int userId) { 2181 if (!sUserManager.exists(userId)) return null; 2182 PackageSetting ps = mSettings.mPackages.get(packageName); 2183 if (ps != null) { 2184 if (ps.pkg == null) { 2185 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2186 flags, userId); 2187 if (pInfo != null) { 2188 return pInfo.applicationInfo; 2189 } 2190 return null; 2191 } 2192 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2193 ps.readUserState(userId), userId); 2194 } 2195 return null; 2196 } 2197 2198 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2199 int userId) { 2200 if (!sUserManager.exists(userId)) return null; 2201 PackageSetting ps = mSettings.mPackages.get(packageName); 2202 if (ps != null) { 2203 PackageParser.Package pkg = ps.pkg; 2204 if (pkg == null) { 2205 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2206 return null; 2207 } 2208 pkg = new PackageParser.Package(packageName); 2209 pkg.applicationInfo.packageName = packageName; 2210 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2211 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2212 pkg.applicationInfo.sourceDir = ps.codePathString; 2213 pkg.applicationInfo.dataDir = 2214 getDataPathForPackage(packageName, 0).getPath(); 2215 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2216 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2217 } 2218 return generatePackageInfo(pkg, flags, userId); 2219 } 2220 return null; 2221 } 2222 2223 @Override 2224 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2225 if (!sUserManager.exists(userId)) return null; 2226 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2227 // writer 2228 synchronized (mPackages) { 2229 PackageParser.Package p = mPackages.get(packageName); 2230 if (DEBUG_PACKAGE_INFO) Log.v( 2231 TAG, "getApplicationInfo " + packageName 2232 + ": " + p); 2233 if (p != null) { 2234 PackageSetting ps = mSettings.mPackages.get(packageName); 2235 if (ps == null) return null; 2236 // Note: isEnabledLP() does not apply here - always return info 2237 return PackageParser.generateApplicationInfo( 2238 p, flags, ps.readUserState(userId), userId); 2239 } 2240 if ("android".equals(packageName)||"system".equals(packageName)) { 2241 return mAndroidApplication; 2242 } 2243 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2244 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2245 } 2246 } 2247 return null; 2248 } 2249 2250 2251 @Override 2252 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2253 mContext.enforceCallingOrSelfPermission( 2254 android.Manifest.permission.CLEAR_APP_CACHE, null); 2255 // Queue up an async operation since clearing cache may take a little while. 2256 mHandler.post(new Runnable() { 2257 public void run() { 2258 mHandler.removeCallbacks(this); 2259 int retCode = -1; 2260 synchronized (mInstallLock) { 2261 retCode = mInstaller.freeCache(freeStorageSize); 2262 if (retCode < 0) { 2263 Slog.w(TAG, "Couldn't clear application caches"); 2264 } 2265 } 2266 if (observer != null) { 2267 try { 2268 observer.onRemoveCompleted(null, (retCode >= 0)); 2269 } catch (RemoteException e) { 2270 Slog.w(TAG, "RemoveException when invoking call back"); 2271 } 2272 } 2273 } 2274 }); 2275 } 2276 2277 @Override 2278 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2279 mContext.enforceCallingOrSelfPermission( 2280 android.Manifest.permission.CLEAR_APP_CACHE, null); 2281 // Queue up an async operation since clearing cache may take a little while. 2282 mHandler.post(new Runnable() { 2283 public void run() { 2284 mHandler.removeCallbacks(this); 2285 int retCode = -1; 2286 synchronized (mInstallLock) { 2287 retCode = mInstaller.freeCache(freeStorageSize); 2288 if (retCode < 0) { 2289 Slog.w(TAG, "Couldn't clear application caches"); 2290 } 2291 } 2292 if(pi != null) { 2293 try { 2294 // Callback via pending intent 2295 int code = (retCode >= 0) ? 1 : 0; 2296 pi.sendIntent(null, code, null, 2297 null, null); 2298 } catch (SendIntentException e1) { 2299 Slog.i(TAG, "Failed to send pending intent"); 2300 } 2301 } 2302 } 2303 }); 2304 } 2305 2306 @Override 2307 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2308 if (!sUserManager.exists(userId)) return null; 2309 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2310 synchronized (mPackages) { 2311 PackageParser.Activity a = mActivities.mActivities.get(component); 2312 2313 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2314 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2315 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2316 if (ps == null) return null; 2317 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2318 userId); 2319 } 2320 if (mResolveComponentName.equals(component)) { 2321 return mResolveActivity; 2322 } 2323 } 2324 return null; 2325 } 2326 2327 @Override 2328 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2329 if (!sUserManager.exists(userId)) return null; 2330 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2331 synchronized (mPackages) { 2332 PackageParser.Activity a = mReceivers.mActivities.get(component); 2333 if (DEBUG_PACKAGE_INFO) Log.v( 2334 TAG, "getReceiverInfo " + component + ": " + a); 2335 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2336 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2337 if (ps == null) return null; 2338 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2339 userId); 2340 } 2341 } 2342 return null; 2343 } 2344 2345 @Override 2346 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2347 if (!sUserManager.exists(userId)) return null; 2348 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2349 synchronized (mPackages) { 2350 PackageParser.Service s = mServices.mServices.get(component); 2351 if (DEBUG_PACKAGE_INFO) Log.v( 2352 TAG, "getServiceInfo " + component + ": " + s); 2353 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2354 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2355 if (ps == null) return null; 2356 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2357 userId); 2358 } 2359 } 2360 return null; 2361 } 2362 2363 @Override 2364 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2365 if (!sUserManager.exists(userId)) return null; 2366 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2367 synchronized (mPackages) { 2368 PackageParser.Provider p = mProviders.mProviders.get(component); 2369 if (DEBUG_PACKAGE_INFO) Log.v( 2370 TAG, "getProviderInfo " + component + ": " + p); 2371 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2372 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2373 if (ps == null) return null; 2374 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2375 userId); 2376 } 2377 } 2378 return null; 2379 } 2380 2381 @Override 2382 public String[] getSystemSharedLibraryNames() { 2383 Set<String> libSet; 2384 synchronized (mPackages) { 2385 libSet = mSharedLibraries.keySet(); 2386 int size = libSet.size(); 2387 if (size > 0) { 2388 String[] libs = new String[size]; 2389 libSet.toArray(libs); 2390 return libs; 2391 } 2392 } 2393 return null; 2394 } 2395 2396 @Override 2397 public FeatureInfo[] getSystemAvailableFeatures() { 2398 Collection<FeatureInfo> featSet; 2399 synchronized (mPackages) { 2400 featSet = mAvailableFeatures.values(); 2401 int size = featSet.size(); 2402 if (size > 0) { 2403 FeatureInfo[] features = new FeatureInfo[size+1]; 2404 featSet.toArray(features); 2405 FeatureInfo fi = new FeatureInfo(); 2406 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2407 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2408 features[size] = fi; 2409 return features; 2410 } 2411 } 2412 return null; 2413 } 2414 2415 @Override 2416 public boolean hasSystemFeature(String name) { 2417 synchronized (mPackages) { 2418 return mAvailableFeatures.containsKey(name); 2419 } 2420 } 2421 2422 private void checkValidCaller(int uid, int userId) { 2423 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2424 return; 2425 2426 throw new SecurityException("Caller uid=" + uid 2427 + " is not privileged to communicate with user=" + userId); 2428 } 2429 2430 @Override 2431 public int checkPermission(String permName, String pkgName) { 2432 synchronized (mPackages) { 2433 PackageParser.Package p = mPackages.get(pkgName); 2434 if (p != null && p.mExtras != null) { 2435 PackageSetting ps = (PackageSetting)p.mExtras; 2436 if (ps.sharedUser != null) { 2437 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2438 return PackageManager.PERMISSION_GRANTED; 2439 } 2440 } else if (ps.grantedPermissions.contains(permName)) { 2441 return PackageManager.PERMISSION_GRANTED; 2442 } 2443 } 2444 } 2445 return PackageManager.PERMISSION_DENIED; 2446 } 2447 2448 @Override 2449 public int checkUidPermission(String permName, int uid) { 2450 synchronized (mPackages) { 2451 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2452 if (obj != null) { 2453 GrantedPermissions gp = (GrantedPermissions)obj; 2454 if (gp.grantedPermissions.contains(permName)) { 2455 return PackageManager.PERMISSION_GRANTED; 2456 } 2457 } else { 2458 HashSet<String> perms = mSystemPermissions.get(uid); 2459 if (perms != null && perms.contains(permName)) { 2460 return PackageManager.PERMISSION_GRANTED; 2461 } 2462 } 2463 } 2464 return PackageManager.PERMISSION_DENIED; 2465 } 2466 2467 /** 2468 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2469 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2470 * @param message the message to log on security exception 2471 * @return 2472 */ 2473 private void enforceCrossUserPermission(int callingUid, int userId, 2474 boolean requireFullPermission, String message) { 2475 if (userId < 0) { 2476 throw new IllegalArgumentException("Invalid userId " + userId); 2477 } 2478 if (userId == UserHandle.getUserId(callingUid)) return; 2479 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2480 if (requireFullPermission) { 2481 mContext.enforceCallingOrSelfPermission( 2482 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2483 } else { 2484 try { 2485 mContext.enforceCallingOrSelfPermission( 2486 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2487 } catch (SecurityException se) { 2488 mContext.enforceCallingOrSelfPermission( 2489 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2490 } 2491 } 2492 } 2493 } 2494 2495 private BasePermission findPermissionTreeLP(String permName) { 2496 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2497 if (permName.startsWith(bp.name) && 2498 permName.length() > bp.name.length() && 2499 permName.charAt(bp.name.length()) == '.') { 2500 return bp; 2501 } 2502 } 2503 return null; 2504 } 2505 2506 private BasePermission checkPermissionTreeLP(String permName) { 2507 if (permName != null) { 2508 BasePermission bp = findPermissionTreeLP(permName); 2509 if (bp != null) { 2510 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2511 return bp; 2512 } 2513 throw new SecurityException("Calling uid " 2514 + Binder.getCallingUid() 2515 + " is not allowed to add to permission tree " 2516 + bp.name + " owned by uid " + bp.uid); 2517 } 2518 } 2519 throw new SecurityException("No permission tree found for " + permName); 2520 } 2521 2522 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2523 if (s1 == null) { 2524 return s2 == null; 2525 } 2526 if (s2 == null) { 2527 return false; 2528 } 2529 if (s1.getClass() != s2.getClass()) { 2530 return false; 2531 } 2532 return s1.equals(s2); 2533 } 2534 2535 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2536 if (pi1.icon != pi2.icon) return false; 2537 if (pi1.logo != pi2.logo) return false; 2538 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2539 if (!compareStrings(pi1.name, pi2.name)) return false; 2540 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2541 // We'll take care of setting this one. 2542 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2543 // These are not currently stored in settings. 2544 //if (!compareStrings(pi1.group, pi2.group)) return false; 2545 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2546 //if (pi1.labelRes != pi2.labelRes) return false; 2547 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2548 return true; 2549 } 2550 2551 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2552 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2553 throw new SecurityException("Label must be specified in permission"); 2554 } 2555 BasePermission tree = checkPermissionTreeLP(info.name); 2556 BasePermission bp = mSettings.mPermissions.get(info.name); 2557 boolean added = bp == null; 2558 boolean changed = true; 2559 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2560 if (added) { 2561 bp = new BasePermission(info.name, tree.sourcePackage, 2562 BasePermission.TYPE_DYNAMIC); 2563 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2564 throw new SecurityException( 2565 "Not allowed to modify non-dynamic permission " 2566 + info.name); 2567 } else { 2568 if (bp.protectionLevel == fixedLevel 2569 && bp.perm.owner.equals(tree.perm.owner) 2570 && bp.uid == tree.uid 2571 && comparePermissionInfos(bp.perm.info, info)) { 2572 changed = false; 2573 } 2574 } 2575 bp.protectionLevel = fixedLevel; 2576 info = new PermissionInfo(info); 2577 info.protectionLevel = fixedLevel; 2578 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2579 bp.perm.info.packageName = tree.perm.info.packageName; 2580 bp.uid = tree.uid; 2581 if (added) { 2582 mSettings.mPermissions.put(info.name, bp); 2583 } 2584 if (changed) { 2585 if (!async) { 2586 mSettings.writeLPr(); 2587 } else { 2588 scheduleWriteSettingsLocked(); 2589 } 2590 } 2591 return added; 2592 } 2593 2594 @Override 2595 public boolean addPermission(PermissionInfo info) { 2596 synchronized (mPackages) { 2597 return addPermissionLocked(info, false); 2598 } 2599 } 2600 2601 @Override 2602 public boolean addPermissionAsync(PermissionInfo info) { 2603 synchronized (mPackages) { 2604 return addPermissionLocked(info, true); 2605 } 2606 } 2607 2608 @Override 2609 public void removePermission(String name) { 2610 synchronized (mPackages) { 2611 checkPermissionTreeLP(name); 2612 BasePermission bp = mSettings.mPermissions.get(name); 2613 if (bp != null) { 2614 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2615 throw new SecurityException( 2616 "Not allowed to modify non-dynamic permission " 2617 + name); 2618 } 2619 mSettings.mPermissions.remove(name); 2620 mSettings.writeLPr(); 2621 } 2622 } 2623 } 2624 2625 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2626 int index = pkg.requestedPermissions.indexOf(bp.name); 2627 if (index == -1) { 2628 throw new SecurityException("Package " + pkg.packageName 2629 + " has not requested permission " + bp.name); 2630 } 2631 boolean isNormal = 2632 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2633 == PermissionInfo.PROTECTION_NORMAL); 2634 boolean isDangerous = 2635 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2636 == PermissionInfo.PROTECTION_DANGEROUS); 2637 boolean isDevelopment = 2638 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2639 2640 if (!isNormal && !isDangerous && !isDevelopment) { 2641 throw new SecurityException("Permission " + bp.name 2642 + " is not a changeable permission type"); 2643 } 2644 2645 if (isNormal || isDangerous) { 2646 if (pkg.requestedPermissionsRequired.get(index)) { 2647 throw new SecurityException("Can't change " + bp.name 2648 + ". It is required by the application"); 2649 } 2650 } 2651 } 2652 2653 @Override 2654 public void grantPermission(String packageName, String permissionName) { 2655 mContext.enforceCallingOrSelfPermission( 2656 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2657 synchronized (mPackages) { 2658 final PackageParser.Package pkg = mPackages.get(packageName); 2659 if (pkg == null) { 2660 throw new IllegalArgumentException("Unknown package: " + packageName); 2661 } 2662 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2663 if (bp == null) { 2664 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2665 } 2666 2667 checkGrantRevokePermissions(pkg, bp); 2668 2669 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2670 if (ps == null) { 2671 return; 2672 } 2673 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2674 if (gp.grantedPermissions.add(permissionName)) { 2675 if (ps.haveGids) { 2676 gp.gids = appendInts(gp.gids, bp.gids); 2677 } 2678 mSettings.writeLPr(); 2679 } 2680 } 2681 } 2682 2683 @Override 2684 public void revokePermission(String packageName, String permissionName) { 2685 int changedAppId = -1; 2686 2687 synchronized (mPackages) { 2688 final PackageParser.Package pkg = mPackages.get(packageName); 2689 if (pkg == null) { 2690 throw new IllegalArgumentException("Unknown package: " + packageName); 2691 } 2692 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2693 mContext.enforceCallingOrSelfPermission( 2694 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2695 } 2696 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2697 if (bp == null) { 2698 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2699 } 2700 2701 checkGrantRevokePermissions(pkg, bp); 2702 2703 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2704 if (ps == null) { 2705 return; 2706 } 2707 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2708 if (gp.grantedPermissions.remove(permissionName)) { 2709 gp.grantedPermissions.remove(permissionName); 2710 if (ps.haveGids) { 2711 gp.gids = removeInts(gp.gids, bp.gids); 2712 } 2713 mSettings.writeLPr(); 2714 changedAppId = ps.appId; 2715 } 2716 } 2717 2718 if (changedAppId >= 0) { 2719 // We changed the perm on someone, kill its processes. 2720 IActivityManager am = ActivityManagerNative.getDefault(); 2721 if (am != null) { 2722 final int callingUserId = UserHandle.getCallingUserId(); 2723 final long ident = Binder.clearCallingIdentity(); 2724 try { 2725 //XXX we should only revoke for the calling user's app permissions, 2726 // but for now we impact all users. 2727 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2728 // "revoke " + permissionName); 2729 int[] users = sUserManager.getUserIds(); 2730 for (int user : users) { 2731 am.killUid(UserHandle.getUid(user, changedAppId), 2732 "revoke " + permissionName); 2733 } 2734 } catch (RemoteException e) { 2735 } finally { 2736 Binder.restoreCallingIdentity(ident); 2737 } 2738 } 2739 } 2740 } 2741 2742 @Override 2743 public boolean isProtectedBroadcast(String actionName) { 2744 synchronized (mPackages) { 2745 return mProtectedBroadcasts.contains(actionName); 2746 } 2747 } 2748 2749 @Override 2750 public int checkSignatures(String pkg1, String pkg2) { 2751 synchronized (mPackages) { 2752 final PackageParser.Package p1 = mPackages.get(pkg1); 2753 final PackageParser.Package p2 = mPackages.get(pkg2); 2754 if (p1 == null || p1.mExtras == null 2755 || p2 == null || p2.mExtras == null) { 2756 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2757 } 2758 return compareSignatures(p1.mSignatures, p2.mSignatures); 2759 } 2760 } 2761 2762 @Override 2763 public int checkUidSignatures(int uid1, int uid2) { 2764 // Map to base uids. 2765 uid1 = UserHandle.getAppId(uid1); 2766 uid2 = UserHandle.getAppId(uid2); 2767 // reader 2768 synchronized (mPackages) { 2769 Signature[] s1; 2770 Signature[] s2; 2771 Object obj = mSettings.getUserIdLPr(uid1); 2772 if (obj != null) { 2773 if (obj instanceof SharedUserSetting) { 2774 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2775 } else if (obj instanceof PackageSetting) { 2776 s1 = ((PackageSetting)obj).signatures.mSignatures; 2777 } else { 2778 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2779 } 2780 } else { 2781 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2782 } 2783 obj = mSettings.getUserIdLPr(uid2); 2784 if (obj != null) { 2785 if (obj instanceof SharedUserSetting) { 2786 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2787 } else if (obj instanceof PackageSetting) { 2788 s2 = ((PackageSetting)obj).signatures.mSignatures; 2789 } else { 2790 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2791 } 2792 } else { 2793 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2794 } 2795 return compareSignatures(s1, s2); 2796 } 2797 } 2798 2799 /** 2800 * Compares two sets of signatures. Returns: 2801 * <br /> 2802 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2803 * <br /> 2804 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2805 * <br /> 2806 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2807 * <br /> 2808 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2809 * <br /> 2810 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2811 */ 2812 static int compareSignatures(Signature[] s1, Signature[] s2) { 2813 if (s1 == null) { 2814 return s2 == null 2815 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2816 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2817 } 2818 2819 if (s2 == null) { 2820 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2821 } 2822 2823 if (s1.length != s2.length) { 2824 return PackageManager.SIGNATURE_NO_MATCH; 2825 } 2826 2827 // Since both signature sets are of size 1, we can compare without HashSets. 2828 if (s1.length == 1) { 2829 return s1[0].equals(s2[0]) ? 2830 PackageManager.SIGNATURE_MATCH : 2831 PackageManager.SIGNATURE_NO_MATCH; 2832 } 2833 2834 HashSet<Signature> set1 = new HashSet<Signature>(); 2835 for (Signature sig : s1) { 2836 set1.add(sig); 2837 } 2838 HashSet<Signature> set2 = new HashSet<Signature>(); 2839 for (Signature sig : s2) { 2840 set2.add(sig); 2841 } 2842 // Make sure s2 contains all signatures in s1. 2843 if (set1.equals(set2)) { 2844 return PackageManager.SIGNATURE_MATCH; 2845 } 2846 return PackageManager.SIGNATURE_NO_MATCH; 2847 } 2848 2849 @Override 2850 public String[] getPackagesForUid(int uid) { 2851 uid = UserHandle.getAppId(uid); 2852 // reader 2853 synchronized (mPackages) { 2854 Object obj = mSettings.getUserIdLPr(uid); 2855 if (obj instanceof SharedUserSetting) { 2856 final SharedUserSetting sus = (SharedUserSetting) obj; 2857 final int N = sus.packages.size(); 2858 final String[] res = new String[N]; 2859 final Iterator<PackageSetting> it = sus.packages.iterator(); 2860 int i = 0; 2861 while (it.hasNext()) { 2862 res[i++] = it.next().name; 2863 } 2864 return res; 2865 } else if (obj instanceof PackageSetting) { 2866 final PackageSetting ps = (PackageSetting) obj; 2867 return new String[] { ps.name }; 2868 } 2869 } 2870 return null; 2871 } 2872 2873 @Override 2874 public String getNameForUid(int uid) { 2875 // reader 2876 synchronized (mPackages) { 2877 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2878 if (obj instanceof SharedUserSetting) { 2879 final SharedUserSetting sus = (SharedUserSetting) obj; 2880 return sus.name + ":" + sus.userId; 2881 } else if (obj instanceof PackageSetting) { 2882 final PackageSetting ps = (PackageSetting) obj; 2883 return ps.name; 2884 } 2885 } 2886 return null; 2887 } 2888 2889 @Override 2890 public int getUidForSharedUser(String sharedUserName) { 2891 if(sharedUserName == null) { 2892 return -1; 2893 } 2894 // reader 2895 synchronized (mPackages) { 2896 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2897 if (suid == null) { 2898 return -1; 2899 } 2900 return suid.userId; 2901 } 2902 } 2903 2904 @Override 2905 public int getFlagsForUid(int uid) { 2906 synchronized (mPackages) { 2907 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2908 if (obj instanceof SharedUserSetting) { 2909 final SharedUserSetting sus = (SharedUserSetting) obj; 2910 return sus.pkgFlags; 2911 } else if (obj instanceof PackageSetting) { 2912 final PackageSetting ps = (PackageSetting) obj; 2913 return ps.pkgFlags; 2914 } 2915 } 2916 return 0; 2917 } 2918 2919 @Override 2920 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2921 int flags, int userId) { 2922 if (!sUserManager.exists(userId)) return null; 2923 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2924 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2925 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2926 } 2927 2928 @Override 2929 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2930 IntentFilter filter, int match, ComponentName activity) { 2931 final int userId = UserHandle.getCallingUserId(); 2932 if (DEBUG_PREFERRED) { 2933 Log.v(TAG, "setLastChosenActivity intent=" + intent 2934 + " resolvedType=" + resolvedType 2935 + " flags=" + flags 2936 + " filter=" + filter 2937 + " match=" + match 2938 + " activity=" + activity); 2939 filter.dump(new PrintStreamPrinter(System.out), " "); 2940 } 2941 intent.setComponent(null); 2942 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2943 // Find any earlier preferred or last chosen entries and nuke them 2944 findPreferredActivity(intent, resolvedType, 2945 flags, query, 0, false, true, false, userId); 2946 // Add the new activity as the last chosen for this filter 2947 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2948 } 2949 2950 @Override 2951 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2952 final int userId = UserHandle.getCallingUserId(); 2953 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2954 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2955 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2956 false, false, false, userId); 2957 } 2958 2959 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2960 int flags, List<ResolveInfo> query, int userId) { 2961 if (query != null) { 2962 final int N = query.size(); 2963 if (N == 1) { 2964 return query.get(0); 2965 } else if (N > 1) { 2966 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2967 // If there is more than one activity with the same priority, 2968 // then let the user decide between them. 2969 ResolveInfo r0 = query.get(0); 2970 ResolveInfo r1 = query.get(1); 2971 if (DEBUG_INTENT_MATCHING || debug) { 2972 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2973 + r1.activityInfo.name + "=" + r1.priority); 2974 } 2975 // If the first activity has a higher priority, or a different 2976 // default, then it is always desireable to pick it. 2977 if (r0.priority != r1.priority 2978 || r0.preferredOrder != r1.preferredOrder 2979 || r0.isDefault != r1.isDefault) { 2980 return query.get(0); 2981 } 2982 // If we have saved a preference for a preferred activity for 2983 // this Intent, use that. 2984 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2985 flags, query, r0.priority, true, false, debug, userId); 2986 if (ri != null) { 2987 return ri; 2988 } 2989 if (userId != 0) { 2990 ri = new ResolveInfo(mResolveInfo); 2991 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2992 ri.activityInfo.applicationInfo = new ApplicationInfo( 2993 ri.activityInfo.applicationInfo); 2994 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2995 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2996 return ri; 2997 } 2998 return mResolveInfo; 2999 } 3000 } 3001 return null; 3002 } 3003 3004 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3005 List<ResolveInfo> query, int priority, boolean always, 3006 boolean removeMatches, boolean debug, int userId) { 3007 if (!sUserManager.exists(userId)) return null; 3008 // writer 3009 synchronized (mPackages) { 3010 if (intent.getSelector() != null) { 3011 intent = intent.getSelector(); 3012 } 3013 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3014 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3015 // Get the list of preferred activities that handle the intent 3016 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3017 List<PreferredActivity> prefs = pir != null 3018 ? pir.queryIntent(intent, resolvedType, 3019 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3020 : null; 3021 if (prefs != null && prefs.size() > 0) { 3022 // First figure out how good the original match set is. 3023 // We will only allow preferred activities that came 3024 // from the same match quality. 3025 int match = 0; 3026 3027 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3028 3029 final int N = query.size(); 3030 for (int j=0; j<N; j++) { 3031 final ResolveInfo ri = query.get(j); 3032 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3033 + ": 0x" + Integer.toHexString(match)); 3034 if (ri.match > match) { 3035 match = ri.match; 3036 } 3037 } 3038 3039 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3040 + Integer.toHexString(match)); 3041 3042 match &= IntentFilter.MATCH_CATEGORY_MASK; 3043 final int M = prefs.size(); 3044 for (int i=0; i<M; i++) { 3045 final PreferredActivity pa = prefs.get(i); 3046 if (DEBUG_PREFERRED || debug) { 3047 Slog.v(TAG, "Checking PreferredActivity ds=" 3048 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3049 + "\n component=" + pa.mPref.mComponent); 3050 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3051 } 3052 if (pa.mPref.mMatch != match) { 3053 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3054 + Integer.toHexString(pa.mPref.mMatch)); 3055 continue; 3056 } 3057 // If it's not an "always" type preferred activity and that's what we're 3058 // looking for, skip it. 3059 if (always && !pa.mPref.mAlways) { 3060 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3061 continue; 3062 } 3063 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3064 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3065 if (DEBUG_PREFERRED || debug) { 3066 Slog.v(TAG, "Found preferred activity:"); 3067 if (ai != null) { 3068 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3069 } else { 3070 Slog.v(TAG, " null"); 3071 } 3072 } 3073 if (ai == null) { 3074 // This previously registered preferred activity 3075 // component is no longer known. Most likely an update 3076 // to the app was installed and in the new version this 3077 // component no longer exists. Clean it up by removing 3078 // it from the preferred activities list, and skip it. 3079 Slog.w(TAG, "Removing dangling preferred activity: " 3080 + pa.mPref.mComponent); 3081 pir.removeFilter(pa); 3082 continue; 3083 } 3084 for (int j=0; j<N; j++) { 3085 final ResolveInfo ri = query.get(j); 3086 if (!ri.activityInfo.applicationInfo.packageName 3087 .equals(ai.applicationInfo.packageName)) { 3088 continue; 3089 } 3090 if (!ri.activityInfo.name.equals(ai.name)) { 3091 continue; 3092 } 3093 3094 if (removeMatches) { 3095 pir.removeFilter(pa); 3096 if (DEBUG_PREFERRED) { 3097 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3098 } 3099 break; 3100 } 3101 3102 // Okay we found a previously set preferred or last chosen app. 3103 // If the result set is different from when this 3104 // was created, we need to clear it and re-ask the 3105 // user their preference, if we're looking for an "always" type entry. 3106 if (always && !pa.mPref.sameSet(query, priority)) { 3107 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3108 + intent + " type " + resolvedType); 3109 if (DEBUG_PREFERRED) { 3110 Slog.v(TAG, "Removing preferred activity since set changed " 3111 + pa.mPref.mComponent); 3112 } 3113 pir.removeFilter(pa); 3114 // Re-add the filter as a "last chosen" entry (!always) 3115 PreferredActivity lastChosen = new PreferredActivity( 3116 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3117 pir.addFilter(lastChosen); 3118 mSettings.writePackageRestrictionsLPr(userId); 3119 return null; 3120 } 3121 3122 // Yay! Either the set matched or we're looking for the last chosen 3123 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3124 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3125 mSettings.writePackageRestrictionsLPr(userId); 3126 return ri; 3127 } 3128 } 3129 } 3130 mSettings.writePackageRestrictionsLPr(userId); 3131 } 3132 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3133 return null; 3134 } 3135 3136 @Override 3137 public List<ResolveInfo> queryIntentActivities(Intent intent, 3138 String resolvedType, int flags, int userId) { 3139 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3140 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3141 ComponentName comp = intent.getComponent(); 3142 if (comp == null) { 3143 if (intent.getSelector() != null) { 3144 intent = intent.getSelector(); 3145 comp = intent.getComponent(); 3146 } 3147 } 3148 3149 if (comp != null) { 3150 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3151 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3152 if (ai != null) { 3153 final ResolveInfo ri = new ResolveInfo(); 3154 ri.activityInfo = ai; 3155 list.add(ri); 3156 } 3157 return list; 3158 } 3159 3160 // reader 3161 synchronized (mPackages) { 3162 final String pkgName = intent.getPackage(); 3163 if (pkgName == null) { 3164 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3165 } 3166 final PackageParser.Package pkg = mPackages.get(pkgName); 3167 if (pkg != null) { 3168 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3169 pkg.activities, userId); 3170 } 3171 return new ArrayList<ResolveInfo>(); 3172 } 3173 } 3174 3175 @Override 3176 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3177 Intent[] specifics, String[] specificTypes, Intent intent, 3178 String resolvedType, int flags, int userId) { 3179 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3180 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3181 "query intent activity options"); 3182 final String resultsAction = intent.getAction(); 3183 3184 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3185 | PackageManager.GET_RESOLVED_FILTER, userId); 3186 3187 if (DEBUG_INTENT_MATCHING) { 3188 Log.v(TAG, "Query " + intent + ": " + results); 3189 } 3190 3191 int specificsPos = 0; 3192 int N; 3193 3194 // todo: note that the algorithm used here is O(N^2). This 3195 // isn't a problem in our current environment, but if we start running 3196 // into situations where we have more than 5 or 10 matches then this 3197 // should probably be changed to something smarter... 3198 3199 // First we go through and resolve each of the specific items 3200 // that were supplied, taking care of removing any corresponding 3201 // duplicate items in the generic resolve list. 3202 if (specifics != null) { 3203 for (int i=0; i<specifics.length; i++) { 3204 final Intent sintent = specifics[i]; 3205 if (sintent == null) { 3206 continue; 3207 } 3208 3209 if (DEBUG_INTENT_MATCHING) { 3210 Log.v(TAG, "Specific #" + i + ": " + sintent); 3211 } 3212 3213 String action = sintent.getAction(); 3214 if (resultsAction != null && resultsAction.equals(action)) { 3215 // If this action was explicitly requested, then don't 3216 // remove things that have it. 3217 action = null; 3218 } 3219 3220 ResolveInfo ri = null; 3221 ActivityInfo ai = null; 3222 3223 ComponentName comp = sintent.getComponent(); 3224 if (comp == null) { 3225 ri = resolveIntent( 3226 sintent, 3227 specificTypes != null ? specificTypes[i] : null, 3228 flags, userId); 3229 if (ri == null) { 3230 continue; 3231 } 3232 if (ri == mResolveInfo) { 3233 // ACK! Must do something better with this. 3234 } 3235 ai = ri.activityInfo; 3236 comp = new ComponentName(ai.applicationInfo.packageName, 3237 ai.name); 3238 } else { 3239 ai = getActivityInfo(comp, flags, userId); 3240 if (ai == null) { 3241 continue; 3242 } 3243 } 3244 3245 // Look for any generic query activities that are duplicates 3246 // of this specific one, and remove them from the results. 3247 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3248 N = results.size(); 3249 int j; 3250 for (j=specificsPos; j<N; j++) { 3251 ResolveInfo sri = results.get(j); 3252 if ((sri.activityInfo.name.equals(comp.getClassName()) 3253 && sri.activityInfo.applicationInfo.packageName.equals( 3254 comp.getPackageName())) 3255 || (action != null && sri.filter.matchAction(action))) { 3256 results.remove(j); 3257 if (DEBUG_INTENT_MATCHING) Log.v( 3258 TAG, "Removing duplicate item from " + j 3259 + " due to specific " + specificsPos); 3260 if (ri == null) { 3261 ri = sri; 3262 } 3263 j--; 3264 N--; 3265 } 3266 } 3267 3268 // Add this specific item to its proper place. 3269 if (ri == null) { 3270 ri = new ResolveInfo(); 3271 ri.activityInfo = ai; 3272 } 3273 results.add(specificsPos, ri); 3274 ri.specificIndex = i; 3275 specificsPos++; 3276 } 3277 } 3278 3279 // Now we go through the remaining generic results and remove any 3280 // duplicate actions that are found here. 3281 N = results.size(); 3282 for (int i=specificsPos; i<N-1; i++) { 3283 final ResolveInfo rii = results.get(i); 3284 if (rii.filter == null) { 3285 continue; 3286 } 3287 3288 // Iterate over all of the actions of this result's intent 3289 // filter... typically this should be just one. 3290 final Iterator<String> it = rii.filter.actionsIterator(); 3291 if (it == null) { 3292 continue; 3293 } 3294 while (it.hasNext()) { 3295 final String action = it.next(); 3296 if (resultsAction != null && resultsAction.equals(action)) { 3297 // If this action was explicitly requested, then don't 3298 // remove things that have it. 3299 continue; 3300 } 3301 for (int j=i+1; j<N; j++) { 3302 final ResolveInfo rij = results.get(j); 3303 if (rij.filter != null && rij.filter.hasAction(action)) { 3304 results.remove(j); 3305 if (DEBUG_INTENT_MATCHING) Log.v( 3306 TAG, "Removing duplicate item from " + j 3307 + " due to action " + action + " at " + i); 3308 j--; 3309 N--; 3310 } 3311 } 3312 } 3313 3314 // If the caller didn't request filter information, drop it now 3315 // so we don't have to marshall/unmarshall it. 3316 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3317 rii.filter = null; 3318 } 3319 } 3320 3321 // Filter out the caller activity if so requested. 3322 if (caller != null) { 3323 N = results.size(); 3324 for (int i=0; i<N; i++) { 3325 ActivityInfo ainfo = results.get(i).activityInfo; 3326 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3327 && caller.getClassName().equals(ainfo.name)) { 3328 results.remove(i); 3329 break; 3330 } 3331 } 3332 } 3333 3334 // If the caller didn't request filter information, 3335 // drop them now so we don't have to 3336 // marshall/unmarshall it. 3337 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3338 N = results.size(); 3339 for (int i=0; i<N; i++) { 3340 results.get(i).filter = null; 3341 } 3342 } 3343 3344 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3345 return results; 3346 } 3347 3348 @Override 3349 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3350 int userId) { 3351 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3352 ComponentName comp = intent.getComponent(); 3353 if (comp == null) { 3354 if (intent.getSelector() != null) { 3355 intent = intent.getSelector(); 3356 comp = intent.getComponent(); 3357 } 3358 } 3359 if (comp != null) { 3360 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3361 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3362 if (ai != null) { 3363 ResolveInfo ri = new ResolveInfo(); 3364 ri.activityInfo = ai; 3365 list.add(ri); 3366 } 3367 return list; 3368 } 3369 3370 // reader 3371 synchronized (mPackages) { 3372 String pkgName = intent.getPackage(); 3373 if (pkgName == null) { 3374 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3375 } 3376 final PackageParser.Package pkg = mPackages.get(pkgName); 3377 if (pkg != null) { 3378 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3379 userId); 3380 } 3381 return null; 3382 } 3383 } 3384 3385 @Override 3386 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3387 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3388 if (!sUserManager.exists(userId)) return null; 3389 if (query != null) { 3390 if (query.size() >= 1) { 3391 // If there is more than one service with the same priority, 3392 // just arbitrarily pick the first one. 3393 return query.get(0); 3394 } 3395 } 3396 return null; 3397 } 3398 3399 @Override 3400 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3401 int userId) { 3402 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3403 ComponentName comp = intent.getComponent(); 3404 if (comp == null) { 3405 if (intent.getSelector() != null) { 3406 intent = intent.getSelector(); 3407 comp = intent.getComponent(); 3408 } 3409 } 3410 if (comp != null) { 3411 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3412 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3413 if (si != null) { 3414 final ResolveInfo ri = new ResolveInfo(); 3415 ri.serviceInfo = si; 3416 list.add(ri); 3417 } 3418 return list; 3419 } 3420 3421 // reader 3422 synchronized (mPackages) { 3423 String pkgName = intent.getPackage(); 3424 if (pkgName == null) { 3425 return mServices.queryIntent(intent, resolvedType, flags, userId); 3426 } 3427 final PackageParser.Package pkg = mPackages.get(pkgName); 3428 if (pkg != null) { 3429 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3430 userId); 3431 } 3432 return null; 3433 } 3434 } 3435 3436 @Override 3437 public List<ResolveInfo> queryIntentContentProviders( 3438 Intent intent, String resolvedType, int flags, int userId) { 3439 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3440 ComponentName comp = intent.getComponent(); 3441 if (comp == null) { 3442 if (intent.getSelector() != null) { 3443 intent = intent.getSelector(); 3444 comp = intent.getComponent(); 3445 } 3446 } 3447 if (comp != null) { 3448 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3449 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3450 if (pi != null) { 3451 final ResolveInfo ri = new ResolveInfo(); 3452 ri.providerInfo = pi; 3453 list.add(ri); 3454 } 3455 return list; 3456 } 3457 3458 // reader 3459 synchronized (mPackages) { 3460 String pkgName = intent.getPackage(); 3461 if (pkgName == null) { 3462 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3463 } 3464 final PackageParser.Package pkg = mPackages.get(pkgName); 3465 if (pkg != null) { 3466 return mProviders.queryIntentForPackage( 3467 intent, resolvedType, flags, pkg.providers, userId); 3468 } 3469 return null; 3470 } 3471 } 3472 3473 @Override 3474 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3475 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3476 3477 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3478 3479 // writer 3480 synchronized (mPackages) { 3481 ArrayList<PackageInfo> list; 3482 if (listUninstalled) { 3483 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3484 for (PackageSetting ps : mSettings.mPackages.values()) { 3485 PackageInfo pi; 3486 if (ps.pkg != null) { 3487 pi = generatePackageInfo(ps.pkg, flags, userId); 3488 } else { 3489 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3490 } 3491 if (pi != null) { 3492 list.add(pi); 3493 } 3494 } 3495 } else { 3496 list = new ArrayList<PackageInfo>(mPackages.size()); 3497 for (PackageParser.Package p : mPackages.values()) { 3498 PackageInfo pi = generatePackageInfo(p, flags, userId); 3499 if (pi != null) { 3500 list.add(pi); 3501 } 3502 } 3503 } 3504 3505 return new ParceledListSlice<PackageInfo>(list); 3506 } 3507 } 3508 3509 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3510 String[] permissions, boolean[] tmp, int flags, int userId) { 3511 int numMatch = 0; 3512 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3513 for (int i=0; i<permissions.length; i++) { 3514 if (gp.grantedPermissions.contains(permissions[i])) { 3515 tmp[i] = true; 3516 numMatch++; 3517 } else { 3518 tmp[i] = false; 3519 } 3520 } 3521 if (numMatch == 0) { 3522 return; 3523 } 3524 PackageInfo pi; 3525 if (ps.pkg != null) { 3526 pi = generatePackageInfo(ps.pkg, flags, userId); 3527 } else { 3528 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3529 } 3530 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3531 if (numMatch == permissions.length) { 3532 pi.requestedPermissions = permissions; 3533 } else { 3534 pi.requestedPermissions = new String[numMatch]; 3535 numMatch = 0; 3536 for (int i=0; i<permissions.length; i++) { 3537 if (tmp[i]) { 3538 pi.requestedPermissions[numMatch] = permissions[i]; 3539 numMatch++; 3540 } 3541 } 3542 } 3543 } 3544 list.add(pi); 3545 } 3546 3547 @Override 3548 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3549 String[] permissions, int flags, int userId) { 3550 if (!sUserManager.exists(userId)) return null; 3551 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3552 3553 // writer 3554 synchronized (mPackages) { 3555 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3556 boolean[] tmpBools = new boolean[permissions.length]; 3557 if (listUninstalled) { 3558 for (PackageSetting ps : mSettings.mPackages.values()) { 3559 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3560 } 3561 } else { 3562 for (PackageParser.Package pkg : mPackages.values()) { 3563 PackageSetting ps = (PackageSetting)pkg.mExtras; 3564 if (ps != null) { 3565 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3566 userId); 3567 } 3568 } 3569 } 3570 3571 return new ParceledListSlice<PackageInfo>(list); 3572 } 3573 } 3574 3575 @Override 3576 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3577 if (!sUserManager.exists(userId)) return null; 3578 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3579 3580 // writer 3581 synchronized (mPackages) { 3582 ArrayList<ApplicationInfo> list; 3583 if (listUninstalled) { 3584 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3585 for (PackageSetting ps : mSettings.mPackages.values()) { 3586 ApplicationInfo ai; 3587 if (ps.pkg != null) { 3588 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3589 ps.readUserState(userId), userId); 3590 } else { 3591 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3592 } 3593 if (ai != null) { 3594 list.add(ai); 3595 } 3596 } 3597 } else { 3598 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3599 for (PackageParser.Package p : mPackages.values()) { 3600 if (p.mExtras != null) { 3601 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3602 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3603 if (ai != null) { 3604 list.add(ai); 3605 } 3606 } 3607 } 3608 } 3609 3610 return new ParceledListSlice<ApplicationInfo>(list); 3611 } 3612 } 3613 3614 public List<ApplicationInfo> getPersistentApplications(int flags) { 3615 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3616 3617 // reader 3618 synchronized (mPackages) { 3619 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3620 final int userId = UserHandle.getCallingUserId(); 3621 while (i.hasNext()) { 3622 final PackageParser.Package p = i.next(); 3623 if (p.applicationInfo != null 3624 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3625 && (!mSafeMode || isSystemApp(p))) { 3626 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3627 if (ps != null) { 3628 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3629 ps.readUserState(userId), userId); 3630 if (ai != null) { 3631 finalList.add(ai); 3632 } 3633 } 3634 } 3635 } 3636 } 3637 3638 return finalList; 3639 } 3640 3641 @Override 3642 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3643 if (!sUserManager.exists(userId)) return null; 3644 // reader 3645 synchronized (mPackages) { 3646 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3647 PackageSetting ps = provider != null 3648 ? mSettings.mPackages.get(provider.owner.packageName) 3649 : null; 3650 return ps != null 3651 && mSettings.isEnabledLPr(provider.info, flags, userId) 3652 && (!mSafeMode || (provider.info.applicationInfo.flags 3653 &ApplicationInfo.FLAG_SYSTEM) != 0) 3654 ? PackageParser.generateProviderInfo(provider, flags, 3655 ps.readUserState(userId), userId) 3656 : null; 3657 } 3658 } 3659 3660 /** 3661 * @deprecated 3662 */ 3663 @Deprecated 3664 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3665 // reader 3666 synchronized (mPackages) { 3667 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3668 .entrySet().iterator(); 3669 final int userId = UserHandle.getCallingUserId(); 3670 while (i.hasNext()) { 3671 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3672 PackageParser.Provider p = entry.getValue(); 3673 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3674 3675 if (ps != null && p.syncable 3676 && (!mSafeMode || (p.info.applicationInfo.flags 3677 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3678 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3679 ps.readUserState(userId), userId); 3680 if (info != null) { 3681 outNames.add(entry.getKey()); 3682 outInfo.add(info); 3683 } 3684 } 3685 } 3686 } 3687 } 3688 3689 @Override 3690 public List<ProviderInfo> queryContentProviders(String processName, 3691 int uid, int flags) { 3692 ArrayList<ProviderInfo> finalList = null; 3693 // reader 3694 synchronized (mPackages) { 3695 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3696 final int userId = processName != null ? 3697 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3698 while (i.hasNext()) { 3699 final PackageParser.Provider p = i.next(); 3700 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3701 if (ps != null && p.info.authority != null 3702 && (processName == null 3703 || (p.info.processName.equals(processName) 3704 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3705 && mSettings.isEnabledLPr(p.info, flags, userId) 3706 && (!mSafeMode 3707 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3708 if (finalList == null) { 3709 finalList = new ArrayList<ProviderInfo>(3); 3710 } 3711 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3712 ps.readUserState(userId), userId); 3713 if (info != null) { 3714 finalList.add(info); 3715 } 3716 } 3717 } 3718 } 3719 3720 if (finalList != null) { 3721 Collections.sort(finalList, mProviderInitOrderSorter); 3722 } 3723 3724 return finalList; 3725 } 3726 3727 @Override 3728 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3729 int flags) { 3730 // reader 3731 synchronized (mPackages) { 3732 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3733 return PackageParser.generateInstrumentationInfo(i, flags); 3734 } 3735 } 3736 3737 @Override 3738 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3739 int flags) { 3740 ArrayList<InstrumentationInfo> finalList = 3741 new ArrayList<InstrumentationInfo>(); 3742 3743 // reader 3744 synchronized (mPackages) { 3745 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3746 while (i.hasNext()) { 3747 final PackageParser.Instrumentation p = i.next(); 3748 if (targetPackage == null 3749 || targetPackage.equals(p.info.targetPackage)) { 3750 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3751 flags); 3752 if (ii != null) { 3753 finalList.add(ii); 3754 } 3755 } 3756 } 3757 } 3758 3759 return finalList; 3760 } 3761 3762 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3763 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3764 if (overlays == null) { 3765 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3766 return; 3767 } 3768 for (PackageParser.Package opkg : overlays.values()) { 3769 // Not much to do if idmap fails: we already logged the error 3770 // and we certainly don't want to abort installation of pkg simply 3771 // because an overlay didn't fit properly. For these reasons, 3772 // ignore the return value of createIdmapForPackagePairLI. 3773 createIdmapForPackagePairLI(pkg, opkg); 3774 } 3775 } 3776 3777 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3778 PackageParser.Package opkg) { 3779 if (!opkg.mTrustedOverlay) { 3780 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3781 opkg.mScanPath + ": overlay not trusted"); 3782 return false; 3783 } 3784 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3785 if (overlaySet == null) { 3786 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3787 opkg.mScanPath + " but target package has no known overlays"); 3788 return false; 3789 } 3790 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3791 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3792 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3793 return false; 3794 } 3795 PackageParser.Package[] overlayArray = 3796 overlaySet.values().toArray(new PackageParser.Package[0]); 3797 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3798 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3799 return p1.mOverlayPriority - p2.mOverlayPriority; 3800 } 3801 }; 3802 Arrays.sort(overlayArray, cmp); 3803 3804 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3805 int i = 0; 3806 for (PackageParser.Package p : overlayArray) { 3807 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3808 } 3809 return true; 3810 } 3811 3812 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3813 String[] files = dir.list(); 3814 if (files == null) { 3815 Log.d(TAG, "No files in app dir " + dir); 3816 return; 3817 } 3818 3819 if (DEBUG_PACKAGE_SCANNING) { 3820 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3821 + " flags=0x" + Integer.toHexString(flags)); 3822 } 3823 3824 int i; 3825 for (i=0; i<files.length; i++) { 3826 File file = new File(dir, files[i]); 3827 if (!isPackageFilename(files[i])) { 3828 // Ignore entries which are not apk's 3829 continue; 3830 } 3831 PackageParser.Package pkg = scanPackageLI(file, 3832 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3833 // Don't mess around with apps in system partition. 3834 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3835 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3836 // Delete the apk 3837 Slog.w(TAG, "Cleaning up failed install of " + file); 3838 file.delete(); 3839 } 3840 } 3841 } 3842 3843 private static File getSettingsProblemFile() { 3844 File dataDir = Environment.getDataDirectory(); 3845 File systemDir = new File(dataDir, "system"); 3846 File fname = new File(systemDir, "uiderrors.txt"); 3847 return fname; 3848 } 3849 3850 static void reportSettingsProblem(int priority, String msg) { 3851 try { 3852 File fname = getSettingsProblemFile(); 3853 FileOutputStream out = new FileOutputStream(fname, true); 3854 PrintWriter pw = new FastPrintWriter(out); 3855 SimpleDateFormat formatter = new SimpleDateFormat(); 3856 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3857 pw.println(dateString + ": " + msg); 3858 pw.close(); 3859 FileUtils.setPermissions( 3860 fname.toString(), 3861 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3862 -1, -1); 3863 } catch (java.io.IOException e) { 3864 } 3865 Slog.println(priority, TAG, msg); 3866 } 3867 3868 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3869 PackageParser.Package pkg, File srcFile, int parseFlags) { 3870 if (GET_CERTIFICATES) { 3871 if (ps != null 3872 && ps.codePath.equals(srcFile) 3873 && ps.timeStamp == srcFile.lastModified()) { 3874 if (ps.signatures.mSignatures != null 3875 && ps.signatures.mSignatures.length != 0) { 3876 // Optimization: reuse the existing cached certificates 3877 // if the package appears to be unchanged. 3878 pkg.mSignatures = ps.signatures.mSignatures; 3879 return true; 3880 } 3881 3882 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3883 } else { 3884 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3885 } 3886 3887 if (!pp.collectCertificates(pkg, parseFlags)) { 3888 mLastScanError = pp.getParseError(); 3889 return false; 3890 } 3891 } 3892 return true; 3893 } 3894 3895 /* 3896 * Scan a package and return the newly parsed package. 3897 * Returns null in case of errors and the error code is stored in mLastScanError 3898 */ 3899 private PackageParser.Package scanPackageLI(File scanFile, 3900 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3901 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3902 String scanPath = scanFile.getPath(); 3903 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3904 parseFlags |= mDefParseFlags; 3905 PackageParser pp = new PackageParser(scanPath); 3906 pp.setSeparateProcesses(mSeparateProcesses); 3907 pp.setOnlyCoreApps(mOnlyCore); 3908 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3909 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3910 3911 if (pkg == null) { 3912 mLastScanError = pp.getParseError(); 3913 return null; 3914 } 3915 3916 PackageSetting ps = null; 3917 PackageSetting updatedPkg; 3918 // reader 3919 synchronized (mPackages) { 3920 // Look to see if we already know about this package. 3921 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3922 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3923 // This package has been renamed to its original name. Let's 3924 // use that. 3925 ps = mSettings.peekPackageLPr(oldName); 3926 } 3927 // If there was no original package, see one for the real package name. 3928 if (ps == null) { 3929 ps = mSettings.peekPackageLPr(pkg.packageName); 3930 } 3931 // Check to see if this package could be hiding/updating a system 3932 // package. Must look for it either under the original or real 3933 // package name depending on our state. 3934 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3935 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3936 } 3937 boolean updatedPkgBetter = false; 3938 // First check if this is a system package that may involve an update 3939 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3940 if (ps != null && !ps.codePath.equals(scanFile)) { 3941 // The path has changed from what was last scanned... check the 3942 // version of the new path against what we have stored to determine 3943 // what to do. 3944 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3945 if (pkg.mVersionCode < ps.versionCode) { 3946 // The system package has been updated and the code path does not match 3947 // Ignore entry. Skip it. 3948 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3949 + " ignored: updated version " + ps.versionCode 3950 + " better than this " + pkg.mVersionCode); 3951 if (!updatedPkg.codePath.equals(scanFile)) { 3952 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3953 + ps.name + " changing from " + updatedPkg.codePathString 3954 + " to " + scanFile); 3955 updatedPkg.codePath = scanFile; 3956 updatedPkg.codePathString = scanFile.toString(); 3957 // This is the point at which we know that the system-disk APK 3958 // for this package has moved during a reboot (e.g. due to an OTA), 3959 // so we need to reevaluate it for privilege policy. 3960 if (locationIsPrivileged(scanFile)) { 3961 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3962 } 3963 } 3964 updatedPkg.pkg = pkg; 3965 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3966 return null; 3967 } else { 3968 // The current app on the system partion is better than 3969 // what we have updated to on the data partition; switch 3970 // back to the system partition version. 3971 // At this point, its safely assumed that package installation for 3972 // apps in system partition will go through. If not there won't be a working 3973 // version of the app 3974 // writer 3975 synchronized (mPackages) { 3976 // Just remove the loaded entries from package lists. 3977 mPackages.remove(ps.name); 3978 } 3979 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3980 + "reverting from " + ps.codePathString 3981 + ": new version " + pkg.mVersionCode 3982 + " better than installed " + ps.versionCode); 3983 3984 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3985 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 3986 getAppInstructionSetFromSettings(ps)); 3987 synchronized (mInstallLock) { 3988 args.cleanUpResourcesLI(); 3989 } 3990 synchronized (mPackages) { 3991 mSettings.enableSystemPackageLPw(ps.name); 3992 } 3993 updatedPkgBetter = true; 3994 } 3995 } 3996 } 3997 3998 if (updatedPkg != null) { 3999 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4000 // initially 4001 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4002 4003 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4004 // flag set initially 4005 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4006 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4007 } 4008 } 4009 // Verify certificates against what was last scanned 4010 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4011 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4012 return null; 4013 } 4014 4015 /* 4016 * A new system app appeared, but we already had a non-system one of the 4017 * same name installed earlier. 4018 */ 4019 boolean shouldHideSystemApp = false; 4020 if (updatedPkg == null && ps != null 4021 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4022 /* 4023 * Check to make sure the signatures match first. If they don't, 4024 * wipe the installed application and its data. 4025 */ 4026 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4027 != PackageManager.SIGNATURE_MATCH) { 4028 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4029 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4030 ps = null; 4031 } else { 4032 /* 4033 * If the newly-added system app is an older version than the 4034 * already installed version, hide it. It will be scanned later 4035 * and re-added like an update. 4036 */ 4037 if (pkg.mVersionCode < ps.versionCode) { 4038 shouldHideSystemApp = true; 4039 } else { 4040 /* 4041 * The newly found system app is a newer version that the 4042 * one previously installed. Simply remove the 4043 * already-installed application and replace it with our own 4044 * while keeping the application data. 4045 */ 4046 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4047 + ps.codePathString + ": new version " + pkg.mVersionCode 4048 + " better than installed " + ps.versionCode); 4049 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4050 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4051 getAppInstructionSetFromSettings(ps)); 4052 synchronized (mInstallLock) { 4053 args.cleanUpResourcesLI(); 4054 } 4055 } 4056 } 4057 } 4058 4059 // The apk is forward locked (not public) if its code and resources 4060 // are kept in different files. (except for app in either system or 4061 // vendor path). 4062 // TODO grab this value from PackageSettings 4063 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4064 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4065 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4066 } 4067 } 4068 4069 String codePath = null; 4070 String resPath = null; 4071 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4072 if (ps != null && ps.resourcePathString != null) { 4073 resPath = ps.resourcePathString; 4074 } else { 4075 // Should not happen at all. Just log an error. 4076 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4077 } 4078 } else { 4079 resPath = pkg.mScanPath; 4080 } 4081 4082 codePath = pkg.mScanPath; 4083 // Set application objects path explicitly. 4084 setApplicationInfoPaths(pkg, codePath, resPath); 4085 // Note that we invoke the following method only if we are about to unpack an application 4086 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4087 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4088 4089 /* 4090 * If the system app should be overridden by a previously installed 4091 * data, hide the system app now and let the /data/app scan pick it up 4092 * again. 4093 */ 4094 if (shouldHideSystemApp) { 4095 synchronized (mPackages) { 4096 /* 4097 * We have to grant systems permissions before we hide, because 4098 * grantPermissions will assume the package update is trying to 4099 * expand its permissions. 4100 */ 4101 grantPermissionsLPw(pkg, true); 4102 mSettings.disableSystemPackageLPw(pkg.packageName); 4103 } 4104 } 4105 4106 return scannedPkg; 4107 } 4108 4109 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4110 String destResPath) { 4111 pkg.mPath = pkg.mScanPath = destCodePath; 4112 pkg.applicationInfo.sourceDir = destCodePath; 4113 pkg.applicationInfo.publicSourceDir = destResPath; 4114 } 4115 4116 private static String fixProcessName(String defProcessName, 4117 String processName, int uid) { 4118 if (processName == null) { 4119 return defProcessName; 4120 } 4121 return processName; 4122 } 4123 4124 private boolean verifySignaturesLP(PackageSetting pkgSetting, 4125 PackageParser.Package pkg) { 4126 if (pkgSetting.signatures.mSignatures != null) { 4127 // Already existing package. Make sure signatures match 4128 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 4129 PackageManager.SIGNATURE_MATCH) { 4130 Slog.e(TAG, "Package " + pkg.packageName 4131 + " signatures do not match the previously installed version; ignoring!"); 4132 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4133 return false; 4134 } 4135 } 4136 // Check for shared user signatures 4137 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4138 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4139 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4140 Slog.e(TAG, "Package " + pkg.packageName 4141 + " has no signatures that match those in shared user " 4142 + pkgSetting.sharedUser.name + "; ignoring!"); 4143 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4144 return false; 4145 } 4146 } 4147 return true; 4148 } 4149 4150 /** 4151 * Enforces that only the system UID or root's UID can call a method exposed 4152 * via Binder. 4153 * 4154 * @param message used as message if SecurityException is thrown 4155 * @throws SecurityException if the caller is not system or root 4156 */ 4157 private static final void enforceSystemOrRoot(String message) { 4158 final int uid = Binder.getCallingUid(); 4159 if (uid != Process.SYSTEM_UID && uid != 0) { 4160 throw new SecurityException(message); 4161 } 4162 } 4163 4164 @Override 4165 public void performBootDexOpt() { 4166 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4167 4168 final HashSet<PackageParser.Package> pkgs; 4169 synchronized (mPackages) { 4170 pkgs = mDeferredDexOpt; 4171 mDeferredDexOpt = null; 4172 } 4173 4174 if (pkgs != null) { 4175 // Filter out packages that aren't recently used. 4176 // 4177 // The exception is first boot of a non-eng device, which 4178 // should do a full dexopt. 4179 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4180 if (eng || !isFirstBoot()) { 4181 // TODO: add a property to control this? 4182 long dexOptLRUThresholdInMinutes; 4183 if (eng) { 4184 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4185 } else { 4186 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4187 } 4188 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4189 4190 int total = pkgs.size(); 4191 int skipped = 0; 4192 long now = System.currentTimeMillis(); 4193 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4194 PackageParser.Package pkg = i.next(); 4195 long then = pkg.mLastPackageUsageTimeInMills; 4196 if (then + dexOptLRUThresholdInMills < now) { 4197 if (DEBUG_DEXOPT) { 4198 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4199 ((then == 0) ? "never" : new Date(then))); 4200 } 4201 i.remove(); 4202 skipped++; 4203 } 4204 } 4205 if (DEBUG_DEXOPT) { 4206 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4207 } 4208 } 4209 4210 int i = 0; 4211 for (PackageParser.Package pkg : pkgs) { 4212 i++; 4213 if (DEBUG_DEXOPT) { 4214 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4215 + ": " + pkg.packageName); 4216 } 4217 if (!isFirstBoot()) { 4218 try { 4219 ActivityManagerNative.getDefault().showBootMessage( 4220 mContext.getResources().getString( 4221 R.string.android_upgrading_apk, 4222 i, pkgs.size()), true); 4223 } catch (RemoteException e) { 4224 } 4225 } 4226 PackageParser.Package p = pkg; 4227 synchronized (mInstallLock) { 4228 if (p.mDexOptNeeded) { 4229 performDexOptLI(p, false /* force dex */, false /* defer */, 4230 true /* include dependencies */); 4231 } 4232 } 4233 } 4234 } 4235 } 4236 4237 @Override 4238 public boolean performDexOpt(String packageName) { 4239 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4240 return performDexOpt(packageName, true); 4241 } 4242 4243 public boolean performDexOpt(String packageName, boolean updateUsage) { 4244 4245 PackageParser.Package p; 4246 synchronized (mPackages) { 4247 p = mPackages.get(packageName); 4248 if (p == null) { 4249 return false; 4250 } 4251 if (updateUsage) { 4252 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4253 } 4254 mPackageUsage.write(false); 4255 if (!p.mDexOptNeeded) { 4256 return false; 4257 } 4258 } 4259 4260 synchronized (mInstallLock) { 4261 return performDexOptLI(p, false /* force dex */, false /* defer */, 4262 true /* include dependencies */) == DEX_OPT_PERFORMED; 4263 } 4264 } 4265 4266 public HashSet<String> getPackagesThatNeedDexOpt() { 4267 HashSet<String> pkgs = null; 4268 synchronized (mPackages) { 4269 for (PackageParser.Package p : mPackages.values()) { 4270 if (DEBUG_DEXOPT) { 4271 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4272 } 4273 if (!p.mDexOptNeeded) { 4274 continue; 4275 } 4276 if (pkgs == null) { 4277 pkgs = new HashSet<String>(); 4278 } 4279 pkgs.add(p.packageName); 4280 } 4281 } 4282 return pkgs; 4283 } 4284 4285 public void shutdown() { 4286 mPackageUsage.write(true); 4287 } 4288 4289 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4290 boolean forceDex, boolean defer, HashSet<String> done) { 4291 for (int i=0; i<libs.size(); i++) { 4292 PackageParser.Package libPkg; 4293 String libName; 4294 synchronized (mPackages) { 4295 libName = libs.get(i); 4296 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4297 if (lib != null && lib.apk != null) { 4298 libPkg = mPackages.get(lib.apk); 4299 } else { 4300 libPkg = null; 4301 } 4302 } 4303 if (libPkg != null && !done.contains(libName)) { 4304 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4305 } 4306 } 4307 } 4308 4309 static final int DEX_OPT_SKIPPED = 0; 4310 static final int DEX_OPT_PERFORMED = 1; 4311 static final int DEX_OPT_DEFERRED = 2; 4312 static final int DEX_OPT_FAILED = -1; 4313 4314 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4315 boolean forceDex, boolean defer, HashSet<String> done) { 4316 final String instructionSet = instructionSetOverride != null ? 4317 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4318 4319 if (done != null) { 4320 done.add(pkg.packageName); 4321 if (pkg.usesLibraries != null) { 4322 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4323 } 4324 if (pkg.usesOptionalLibraries != null) { 4325 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4326 } 4327 } 4328 4329 boolean performed = false; 4330 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4331 String path = pkg.mScanPath; 4332 try { 4333 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4334 pkg.packageName, 4335 instructionSet, 4336 defer); 4337 // There are three basic cases here: 4338 // 1.) we need to dexopt, either because we are forced or it is needed 4339 // 2.) we are defering a needed dexopt 4340 // 3.) we are skipping an unneeded dexopt 4341 if (forceDex || (!defer && isDexOptNeededInternal)) { 4342 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4343 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4344 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4345 pkg.packageName, instructionSet); 4346 // Note that we ran dexopt, since rerunning will 4347 // probably just result in an error again. 4348 pkg.mDexOptNeeded = false; 4349 if (ret < 0) { 4350 return DEX_OPT_FAILED; 4351 } 4352 return DEX_OPT_PERFORMED; 4353 } 4354 if (defer && isDexOptNeededInternal) { 4355 if (mDeferredDexOpt == null) { 4356 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4357 } 4358 mDeferredDexOpt.add(pkg); 4359 return DEX_OPT_DEFERRED; 4360 } 4361 pkg.mDexOptNeeded = false; 4362 return DEX_OPT_SKIPPED; 4363 } catch (FileNotFoundException e) { 4364 Slog.w(TAG, "Apk not found for dexopt: " + path); 4365 return DEX_OPT_FAILED; 4366 } catch (IOException e) { 4367 Slog.w(TAG, "IOException reading apk: " + path, e); 4368 return DEX_OPT_FAILED; 4369 } catch (StaleDexCacheError e) { 4370 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4371 return DEX_OPT_FAILED; 4372 } catch (Exception e) { 4373 Slog.w(TAG, "Exception when doing dexopt : ", e); 4374 return DEX_OPT_FAILED; 4375 } 4376 } 4377 return DEX_OPT_SKIPPED; 4378 } 4379 4380 private String getAppInstructionSet(ApplicationInfo info) { 4381 String instructionSet = getPreferredInstructionSet(); 4382 4383 if (info.requiredCpuAbi != null) { 4384 instructionSet = VMRuntime.getInstructionSet(info.requiredCpuAbi); 4385 } 4386 4387 return instructionSet; 4388 } 4389 4390 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4391 String instructionSet = getPreferredInstructionSet(); 4392 4393 if (ps.requiredCpuAbiString != null) { 4394 instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 4395 } 4396 4397 return instructionSet; 4398 } 4399 4400 private static String getPreferredInstructionSet() { 4401 if (sPreferredInstructionSet == null) { 4402 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4403 } 4404 4405 return sPreferredInstructionSet; 4406 } 4407 4408 private static List<String> getAllInstructionSets() { 4409 final String[] allAbis = Build.SUPPORTED_ABIS; 4410 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4411 4412 for (String abi : allAbis) { 4413 final String instructionSet = VMRuntime.getInstructionSet(abi); 4414 if (!allInstructionSets.contains(instructionSet)) { 4415 allInstructionSets.add(instructionSet); 4416 } 4417 } 4418 4419 return allInstructionSets; 4420 } 4421 4422 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4423 boolean inclDependencies) { 4424 HashSet<String> done; 4425 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4426 done = new HashSet<String>(); 4427 done.add(pkg.packageName); 4428 } else { 4429 done = null; 4430 } 4431 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4432 } 4433 4434 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4435 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4436 Slog.w(TAG, "Unable to update from " + oldPkg.name 4437 + " to " + newPkg.packageName 4438 + ": old package not in system partition"); 4439 return false; 4440 } else if (mPackages.get(oldPkg.name) != null) { 4441 Slog.w(TAG, "Unable to update from " + oldPkg.name 4442 + " to " + newPkg.packageName 4443 + ": old package still exists"); 4444 return false; 4445 } 4446 return true; 4447 } 4448 4449 File getDataPathForUser(int userId) { 4450 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4451 } 4452 4453 private File getDataPathForPackage(String packageName, int userId) { 4454 /* 4455 * Until we fully support multiple users, return the directory we 4456 * previously would have. The PackageManagerTests will need to be 4457 * revised when this is changed back.. 4458 */ 4459 if (userId == 0) { 4460 return new File(mAppDataDir, packageName); 4461 } else { 4462 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4463 + File.separator + packageName); 4464 } 4465 } 4466 4467 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4468 int[] users = sUserManager.getUserIds(); 4469 int res = mInstaller.install(packageName, uid, uid, seinfo); 4470 if (res < 0) { 4471 return res; 4472 } 4473 for (int user : users) { 4474 if (user != 0) { 4475 res = mInstaller.createUserData(packageName, 4476 UserHandle.getUid(user, uid), user, seinfo); 4477 if (res < 0) { 4478 return res; 4479 } 4480 } 4481 } 4482 return res; 4483 } 4484 4485 private int removeDataDirsLI(String packageName) { 4486 int[] users = sUserManager.getUserIds(); 4487 int res = 0; 4488 for (int user : users) { 4489 int resInner = mInstaller.remove(packageName, user); 4490 if (resInner < 0) { 4491 res = resInner; 4492 } 4493 } 4494 4495 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4496 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4497 if (!nativeLibraryFile.delete()) { 4498 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4499 } 4500 4501 return res; 4502 } 4503 4504 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4505 PackageParser.Package changingLib) { 4506 if (file.path != null) { 4507 mTmpSharedLibraries[num] = file.path; 4508 return num+1; 4509 } 4510 PackageParser.Package p = mPackages.get(file.apk); 4511 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4512 // If we are doing this while in the middle of updating a library apk, 4513 // then we need to make sure to use that new apk for determining the 4514 // dependencies here. (We haven't yet finished committing the new apk 4515 // to the package manager state.) 4516 if (p == null || p.packageName.equals(changingLib.packageName)) { 4517 p = changingLib; 4518 } 4519 } 4520 if (p != null) { 4521 String path = p.mPath; 4522 for (int i=0; i<num; i++) { 4523 if (mTmpSharedLibraries[i].equals(path)) { 4524 return num; 4525 } 4526 } 4527 mTmpSharedLibraries[num] = p.mPath; 4528 return num+1; 4529 } 4530 return num; 4531 } 4532 4533 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4534 PackageParser.Package changingLib) { 4535 // We might be upgrading from a version of the platform that did not 4536 // provide per-package native library directories for system apps. 4537 // Fix that up here. 4538 if (isSystemApp(pkg)) { 4539 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4540 setInternalAppNativeLibraryPath(pkg, ps); 4541 } 4542 4543 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4544 if (mTmpSharedLibraries == null || 4545 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4546 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4547 } 4548 int num = 0; 4549 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4550 for (int i=0; i<N; i++) { 4551 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4552 if (file == null) { 4553 Slog.e(TAG, "Package " + pkg.packageName 4554 + " requires unavailable shared library " 4555 + pkg.usesLibraries.get(i) + "; failing!"); 4556 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4557 return false; 4558 } 4559 num = addSharedLibraryLPw(file, num, changingLib); 4560 } 4561 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4562 for (int i=0; i<N; i++) { 4563 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4564 if (file == null) { 4565 Slog.w(TAG, "Package " + pkg.packageName 4566 + " desires unavailable shared library " 4567 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4568 } else { 4569 num = addSharedLibraryLPw(file, num, changingLib); 4570 } 4571 } 4572 if (num > 0) { 4573 pkg.usesLibraryFiles = new String[num]; 4574 System.arraycopy(mTmpSharedLibraries, 0, 4575 pkg.usesLibraryFiles, 0, num); 4576 } else { 4577 pkg.usesLibraryFiles = null; 4578 } 4579 } 4580 return true; 4581 } 4582 4583 private static boolean hasString(List<String> list, List<String> which) { 4584 if (list == null) { 4585 return false; 4586 } 4587 for (int i=list.size()-1; i>=0; i--) { 4588 for (int j=which.size()-1; j>=0; j--) { 4589 if (which.get(j).equals(list.get(i))) { 4590 return true; 4591 } 4592 } 4593 } 4594 return false; 4595 } 4596 4597 private void updateAllSharedLibrariesLPw() { 4598 for (PackageParser.Package pkg : mPackages.values()) { 4599 updateSharedLibrariesLPw(pkg, null); 4600 } 4601 } 4602 4603 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4604 PackageParser.Package changingPkg) { 4605 ArrayList<PackageParser.Package> res = null; 4606 for (PackageParser.Package pkg : mPackages.values()) { 4607 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4608 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4609 if (res == null) { 4610 res = new ArrayList<PackageParser.Package>(); 4611 } 4612 res.add(pkg); 4613 updateSharedLibrariesLPw(pkg, changingPkg); 4614 } 4615 } 4616 return res; 4617 } 4618 4619 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4620 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4621 File scanFile = new File(pkg.mScanPath); 4622 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4623 pkg.applicationInfo.publicSourceDir == null) { 4624 // Bail out. The resource and code paths haven't been set. 4625 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4626 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4627 return null; 4628 } 4629 4630 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4631 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4632 } 4633 4634 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4635 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4636 } 4637 4638 if (mCustomResolverComponentName != null && 4639 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4640 setUpCustomResolverActivity(pkg); 4641 } 4642 4643 if (pkg.packageName.equals("android")) { 4644 synchronized (mPackages) { 4645 if (mAndroidApplication != null) { 4646 Slog.w(TAG, "*************************************************"); 4647 Slog.w(TAG, "Core android package being redefined. Skipping."); 4648 Slog.w(TAG, " file=" + scanFile); 4649 Slog.w(TAG, "*************************************************"); 4650 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4651 return null; 4652 } 4653 4654 // Set up information for our fall-back user intent resolution activity. 4655 mPlatformPackage = pkg; 4656 pkg.mVersionCode = mSdkVersion; 4657 mAndroidApplication = pkg.applicationInfo; 4658 4659 if (!mResolverReplaced) { 4660 mResolveActivity.applicationInfo = mAndroidApplication; 4661 mResolveActivity.name = ResolverActivity.class.getName(); 4662 mResolveActivity.packageName = mAndroidApplication.packageName; 4663 mResolveActivity.processName = "system:ui"; 4664 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4665 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4666 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4667 mResolveActivity.exported = true; 4668 mResolveActivity.enabled = true; 4669 mResolveInfo.activityInfo = mResolveActivity; 4670 mResolveInfo.priority = 0; 4671 mResolveInfo.preferredOrder = 0; 4672 mResolveInfo.match = 0; 4673 mResolveComponentName = new ComponentName( 4674 mAndroidApplication.packageName, mResolveActivity.name); 4675 } 4676 } 4677 } 4678 4679 if (DEBUG_PACKAGE_SCANNING) { 4680 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4681 Log.d(TAG, "Scanning package " + pkg.packageName); 4682 } 4683 4684 if (mPackages.containsKey(pkg.packageName) 4685 || mSharedLibraries.containsKey(pkg.packageName)) { 4686 Slog.w(TAG, "Application package " + pkg.packageName 4687 + " already installed. Skipping duplicate."); 4688 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4689 return null; 4690 } 4691 4692 // Initialize package source and resource directories 4693 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4694 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4695 4696 SharedUserSetting suid = null; 4697 PackageSetting pkgSetting = null; 4698 4699 if (!isSystemApp(pkg)) { 4700 // Only system apps can use these features. 4701 pkg.mOriginalPackages = null; 4702 pkg.mRealPackage = null; 4703 pkg.mAdoptPermissions = null; 4704 } 4705 4706 // writer 4707 synchronized (mPackages) { 4708 if (pkg.mSharedUserId != null) { 4709 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4710 if (suid == null) { 4711 Slog.w(TAG, "Creating application package " + pkg.packageName 4712 + " for shared user failed"); 4713 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4714 return null; 4715 } 4716 if (DEBUG_PACKAGE_SCANNING) { 4717 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4718 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4719 + "): packages=" + suid.packages); 4720 } 4721 } 4722 4723 // Check if we are renaming from an original package name. 4724 PackageSetting origPackage = null; 4725 String realName = null; 4726 if (pkg.mOriginalPackages != null) { 4727 // This package may need to be renamed to a previously 4728 // installed name. Let's check on that... 4729 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4730 if (pkg.mOriginalPackages.contains(renamed)) { 4731 // This package had originally been installed as the 4732 // original name, and we have already taken care of 4733 // transitioning to the new one. Just update the new 4734 // one to continue using the old name. 4735 realName = pkg.mRealPackage; 4736 if (!pkg.packageName.equals(renamed)) { 4737 // Callers into this function may have already taken 4738 // care of renaming the package; only do it here if 4739 // it is not already done. 4740 pkg.setPackageName(renamed); 4741 } 4742 4743 } else { 4744 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4745 if ((origPackage = mSettings.peekPackageLPr( 4746 pkg.mOriginalPackages.get(i))) != null) { 4747 // We do have the package already installed under its 4748 // original name... should we use it? 4749 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4750 // New package is not compatible with original. 4751 origPackage = null; 4752 continue; 4753 } else if (origPackage.sharedUser != null) { 4754 // Make sure uid is compatible between packages. 4755 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4756 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4757 + " to " + pkg.packageName + ": old uid " 4758 + origPackage.sharedUser.name 4759 + " differs from " + pkg.mSharedUserId); 4760 origPackage = null; 4761 continue; 4762 } 4763 } else { 4764 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4765 + pkg.packageName + " to old name " + origPackage.name); 4766 } 4767 break; 4768 } 4769 } 4770 } 4771 } 4772 4773 if (mTransferedPackages.contains(pkg.packageName)) { 4774 Slog.w(TAG, "Package " + pkg.packageName 4775 + " was transferred to another, but its .apk remains"); 4776 } 4777 4778 // Just create the setting, don't add it yet. For already existing packages 4779 // the PkgSetting exists already and doesn't have to be created. 4780 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4781 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4782 pkg.applicationInfo.requiredCpuAbi, 4783 pkg.applicationInfo.flags, user, false); 4784 if (pkgSetting == null) { 4785 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4786 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4787 return null; 4788 } 4789 4790 if (pkgSetting.origPackage != null) { 4791 // If we are first transitioning from an original package, 4792 // fix up the new package's name now. We need to do this after 4793 // looking up the package under its new name, so getPackageLP 4794 // can take care of fiddling things correctly. 4795 pkg.setPackageName(origPackage.name); 4796 4797 // File a report about this. 4798 String msg = "New package " + pkgSetting.realName 4799 + " renamed to replace old package " + pkgSetting.name; 4800 reportSettingsProblem(Log.WARN, msg); 4801 4802 // Make a note of it. 4803 mTransferedPackages.add(origPackage.name); 4804 4805 // No longer need to retain this. 4806 pkgSetting.origPackage = null; 4807 } 4808 4809 if (realName != null) { 4810 // Make a note of it. 4811 mTransferedPackages.add(pkg.packageName); 4812 } 4813 4814 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4815 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4816 } 4817 4818 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4819 // Check all shared libraries and map to their actual file path. 4820 // We only do this here for apps not on a system dir, because those 4821 // are the only ones that can fail an install due to this. We 4822 // will take care of the system apps by updating all of their 4823 // library paths after the scan is done. 4824 if (!updateSharedLibrariesLPw(pkg, null)) { 4825 return null; 4826 } 4827 } 4828 4829 if (mFoundPolicyFile) { 4830 SELinuxMMAC.assignSeinfoValue(pkg); 4831 } 4832 4833 pkg.applicationInfo.uid = pkgSetting.appId; 4834 pkg.mExtras = pkgSetting; 4835 4836 if (!verifySignaturesLP(pkgSetting, pkg)) { 4837 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4838 return null; 4839 } 4840 // The signature has changed, but this package is in the system 4841 // image... let's recover! 4842 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4843 // However... if this package is part of a shared user, but it 4844 // doesn't match the signature of the shared user, let's fail. 4845 // What this means is that you can't change the signatures 4846 // associated with an overall shared user, which doesn't seem all 4847 // that unreasonable. 4848 if (pkgSetting.sharedUser != null) { 4849 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4850 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4851 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4852 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4853 return null; 4854 } 4855 } 4856 // File a report about this. 4857 String msg = "System package " + pkg.packageName 4858 + " signature changed; retaining data."; 4859 reportSettingsProblem(Log.WARN, msg); 4860 } 4861 4862 // Verify that this new package doesn't have any content providers 4863 // that conflict with existing packages. Only do this if the 4864 // package isn't already installed, since we don't want to break 4865 // things that are installed. 4866 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4867 final int N = pkg.providers.size(); 4868 int i; 4869 for (i=0; i<N; i++) { 4870 PackageParser.Provider p = pkg.providers.get(i); 4871 if (p.info.authority != null) { 4872 String names[] = p.info.authority.split(";"); 4873 for (int j = 0; j < names.length; j++) { 4874 if (mProvidersByAuthority.containsKey(names[j])) { 4875 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4876 Slog.w(TAG, "Can't install because provider name " + names[j] + 4877 " (in package " + pkg.applicationInfo.packageName + 4878 ") is already used by " 4879 + ((other != null && other.getComponentName() != null) 4880 ? other.getComponentName().getPackageName() : "?")); 4881 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4882 return null; 4883 } 4884 } 4885 } 4886 } 4887 } 4888 4889 if (pkg.mAdoptPermissions != null) { 4890 // This package wants to adopt ownership of permissions from 4891 // another package. 4892 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4893 final String origName = pkg.mAdoptPermissions.get(i); 4894 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4895 if (orig != null) { 4896 if (verifyPackageUpdateLPr(orig, pkg)) { 4897 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4898 + pkg.packageName); 4899 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4900 } 4901 } 4902 } 4903 } 4904 } 4905 4906 final String pkgName = pkg.packageName; 4907 4908 final long scanFileTime = scanFile.lastModified(); 4909 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4910 pkg.applicationInfo.processName = fixProcessName( 4911 pkg.applicationInfo.packageName, 4912 pkg.applicationInfo.processName, 4913 pkg.applicationInfo.uid); 4914 4915 File dataPath; 4916 if (mPlatformPackage == pkg) { 4917 // The system package is special. 4918 dataPath = new File (Environment.getDataDirectory(), "system"); 4919 pkg.applicationInfo.dataDir = dataPath.getPath(); 4920 } else { 4921 // This is a normal package, need to make its data directory. 4922 dataPath = getDataPathForPackage(pkg.packageName, 0); 4923 4924 boolean uidError = false; 4925 4926 if (dataPath.exists()) { 4927 int currentUid = 0; 4928 try { 4929 StructStat stat = Os.stat(dataPath.getPath()); 4930 currentUid = stat.st_uid; 4931 } catch (ErrnoException e) { 4932 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4933 } 4934 4935 // If we have mismatched owners for the data path, we have a problem. 4936 if (currentUid != pkg.applicationInfo.uid) { 4937 boolean recovered = false; 4938 if (currentUid == 0) { 4939 // The directory somehow became owned by root. Wow. 4940 // This is probably because the system was stopped while 4941 // installd was in the middle of messing with its libs 4942 // directory. Ask installd to fix that. 4943 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4944 pkg.applicationInfo.uid); 4945 if (ret >= 0) { 4946 recovered = true; 4947 String msg = "Package " + pkg.packageName 4948 + " unexpectedly changed to uid 0; recovered to " + 4949 + pkg.applicationInfo.uid; 4950 reportSettingsProblem(Log.WARN, msg); 4951 } 4952 } 4953 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4954 || (scanMode&SCAN_BOOTING) != 0)) { 4955 // If this is a system app, we can at least delete its 4956 // current data so the application will still work. 4957 int ret = removeDataDirsLI(pkgName); 4958 if (ret >= 0) { 4959 // TODO: Kill the processes first 4960 // Old data gone! 4961 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4962 ? "System package " : "Third party package "; 4963 String msg = prefix + pkg.packageName 4964 + " has changed from uid: " 4965 + currentUid + " to " 4966 + pkg.applicationInfo.uid + "; old data erased"; 4967 reportSettingsProblem(Log.WARN, msg); 4968 recovered = true; 4969 4970 // And now re-install the app. 4971 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4972 pkg.applicationInfo.seinfo); 4973 if (ret == -1) { 4974 // Ack should not happen! 4975 msg = prefix + pkg.packageName 4976 + " could not have data directory re-created after delete."; 4977 reportSettingsProblem(Log.WARN, msg); 4978 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4979 return null; 4980 } 4981 } 4982 if (!recovered) { 4983 mHasSystemUidErrors = true; 4984 } 4985 } else if (!recovered) { 4986 // If we allow this install to proceed, we will be broken. 4987 // Abort, abort! 4988 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4989 return null; 4990 } 4991 if (!recovered) { 4992 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4993 + pkg.applicationInfo.uid + "/fs_" 4994 + currentUid; 4995 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4996 String msg = "Package " + pkg.packageName 4997 + " has mismatched uid: " 4998 + currentUid + " on disk, " 4999 + pkg.applicationInfo.uid + " in settings"; 5000 // writer 5001 synchronized (mPackages) { 5002 mSettings.mReadMessages.append(msg); 5003 mSettings.mReadMessages.append('\n'); 5004 uidError = true; 5005 if (!pkgSetting.uidError) { 5006 reportSettingsProblem(Log.ERROR, msg); 5007 } 5008 } 5009 } 5010 } 5011 pkg.applicationInfo.dataDir = dataPath.getPath(); 5012 if (mShouldRestoreconData) { 5013 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5014 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5015 pkg.applicationInfo.uid); 5016 } 5017 } else { 5018 if (DEBUG_PACKAGE_SCANNING) { 5019 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5020 Log.v(TAG, "Want this data dir: " + dataPath); 5021 } 5022 //invoke installer to do the actual installation 5023 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5024 pkg.applicationInfo.seinfo); 5025 if (ret < 0) { 5026 // Error from installer 5027 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5028 return null; 5029 } 5030 5031 if (dataPath.exists()) { 5032 pkg.applicationInfo.dataDir = dataPath.getPath(); 5033 } else { 5034 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5035 pkg.applicationInfo.dataDir = null; 5036 } 5037 } 5038 5039 /* 5040 * Set the data dir to the default "/data/data/<package name>/lib" 5041 * if we got here without anyone telling us different (e.g., apps 5042 * stored on SD card have their native libraries stored in the ASEC 5043 * container with the APK). 5044 * 5045 * This happens during an upgrade from a package settings file that 5046 * doesn't have a native library path attribute at all. 5047 */ 5048 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5049 if (pkgSetting.nativeLibraryPathString == null) { 5050 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5051 } else { 5052 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5053 } 5054 } 5055 pkgSetting.uidError = uidError; 5056 } 5057 5058 String path = scanFile.getPath(); 5059 /* Note: We don't want to unpack the native binaries for 5060 * system applications, unless they have been updated 5061 * (the binaries are already under /system/lib). 5062 * Also, don't unpack libs for apps on the external card 5063 * since they should have their libraries in the ASEC 5064 * container already. 5065 * 5066 * In other words, we're going to unpack the binaries 5067 * only for non-system apps and system app upgrades. 5068 */ 5069 if (pkg.applicationInfo.nativeLibraryDir != null) { 5070 try { 5071 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5072 final String dataPathString = dataPath.getCanonicalPath(); 5073 5074 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5075 /* 5076 * Upgrading from a previous version of the OS sometimes 5077 * leaves native libraries in the /data/data/<app>/lib 5078 * directory for system apps even when they shouldn't be. 5079 * Recent changes in the JNI library search path 5080 * necessitates we remove those to match previous behavior. 5081 */ 5082 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5083 Log.i(TAG, "removed obsolete native libraries for system package " 5084 + path); 5085 } 5086 5087 setInternalAppAbi(pkg, pkgSetting); 5088 } else { 5089 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5090 /* 5091 * Update native library dir if it starts with 5092 * /data/data 5093 */ 5094 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5095 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5096 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5097 } 5098 5099 try { 5100 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 5101 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5102 Slog.e(TAG, "Unable to copy native libraries"); 5103 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5104 return null; 5105 } 5106 5107 // We've successfully copied native libraries across, so we make a 5108 // note of what ABI we're using 5109 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5110 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 5111 } else { 5112 pkg.applicationInfo.requiredCpuAbi = null; 5113 } 5114 } catch (IOException e) { 5115 Slog.e(TAG, "Unable to copy native libraries", e); 5116 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5117 return null; 5118 } 5119 } else { 5120 // We don't have to copy the shared libraries if we're in the ASEC container 5121 // but we still need to scan the file to figure out what ABI the app needs. 5122 // 5123 // TODO: This duplicates work done in the default container service. It's possible 5124 // to clean this up but we'll need to change the interface between this service 5125 // and IMediaContainerService (but doing so will spread this logic out, rather 5126 // than centralizing it). 5127 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5128 final int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5129 if (abi >= 0) { 5130 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[abi]; 5131 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5132 // Note that (non upgraded) system apps will not have any native 5133 // libraries bundled in their APK, but we're guaranteed not to be 5134 // such an app at this point. 5135 pkg.applicationInfo.requiredCpuAbi = null; 5136 } else { 5137 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5138 return null; 5139 } 5140 handle.close(); 5141 } 5142 5143 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5144 final int[] userIds = sUserManager.getUserIds(); 5145 synchronized (mInstallLock) { 5146 for (int userId : userIds) { 5147 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5148 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5149 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5150 + ")"); 5151 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5152 return null; 5153 } 5154 } 5155 } 5156 } 5157 } catch (IOException ioe) { 5158 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5159 } 5160 } 5161 pkg.mScanPath = path; 5162 5163 if ((scanMode&SCAN_NO_DEX) == 0) { 5164 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5165 == DEX_OPT_FAILED) { 5166 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5167 removeDataDirsLI(pkg.packageName); 5168 } 5169 5170 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5171 return null; 5172 } 5173 } 5174 5175 if (mFactoryTest && pkg.requestedPermissions.contains( 5176 android.Manifest.permission.FACTORY_TEST)) { 5177 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5178 } 5179 5180 ArrayList<PackageParser.Package> clientLibPkgs = null; 5181 5182 // writer 5183 synchronized (mPackages) { 5184 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5185 // Only system apps can add new shared libraries. 5186 if (pkg.libraryNames != null) { 5187 for (int i=0; i<pkg.libraryNames.size(); i++) { 5188 String name = pkg.libraryNames.get(i); 5189 boolean allowed = false; 5190 if (isUpdatedSystemApp(pkg)) { 5191 // New library entries can only be added through the 5192 // system image. This is important to get rid of a lot 5193 // of nasty edge cases: for example if we allowed a non- 5194 // system update of the app to add a library, then uninstalling 5195 // the update would make the library go away, and assumptions 5196 // we made such as through app install filtering would now 5197 // have allowed apps on the device which aren't compatible 5198 // with it. Better to just have the restriction here, be 5199 // conservative, and create many fewer cases that can negatively 5200 // impact the user experience. 5201 final PackageSetting sysPs = mSettings 5202 .getDisabledSystemPkgLPr(pkg.packageName); 5203 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5204 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5205 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5206 allowed = true; 5207 allowed = true; 5208 break; 5209 } 5210 } 5211 } 5212 } else { 5213 allowed = true; 5214 } 5215 if (allowed) { 5216 if (!mSharedLibraries.containsKey(name)) { 5217 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5218 } else if (!name.equals(pkg.packageName)) { 5219 Slog.w(TAG, "Package " + pkg.packageName + " library " 5220 + name + " already exists; skipping"); 5221 } 5222 } else { 5223 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5224 + name + " that is not declared on system image; skipping"); 5225 } 5226 } 5227 if ((scanMode&SCAN_BOOTING) == 0) { 5228 // If we are not booting, we need to update any applications 5229 // that are clients of our shared library. If we are booting, 5230 // this will all be done once the scan is complete. 5231 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5232 } 5233 } 5234 } 5235 } 5236 5237 // We also need to dexopt any apps that are dependent on this library. Note that 5238 // if these fail, we should abort the install since installing the library will 5239 // result in some apps being broken. 5240 if (clientLibPkgs != null) { 5241 if ((scanMode&SCAN_NO_DEX) == 0) { 5242 for (int i=0; i<clientLibPkgs.size(); i++) { 5243 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5244 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5245 == DEX_OPT_FAILED) { 5246 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5247 removeDataDirsLI(pkg.packageName); 5248 } 5249 5250 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5251 return null; 5252 } 5253 } 5254 } 5255 } 5256 5257 // Request the ActivityManager to kill the process(only for existing packages) 5258 // so that we do not end up in a confused state while the user is still using the older 5259 // version of the application while the new one gets installed. 5260 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5261 // If the package lives in an asec, tell everyone that the container is going 5262 // away so they can clean up any references to its resources (which would prevent 5263 // vold from being able to unmount the asec) 5264 if (isForwardLocked(pkg) || isExternal(pkg)) { 5265 if (DEBUG_INSTALL) { 5266 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5267 } 5268 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5269 final ArrayList<String> pkgList = new ArrayList<String>(1); 5270 pkgList.add(pkg.applicationInfo.packageName); 5271 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5272 } 5273 5274 // Post the request that it be killed now that the going-away broadcast is en route 5275 killApplication(pkg.applicationInfo.packageName, 5276 pkg.applicationInfo.uid, "update pkg"); 5277 } 5278 5279 // Also need to kill any apps that are dependent on the library. 5280 if (clientLibPkgs != null) { 5281 for (int i=0; i<clientLibPkgs.size(); i++) { 5282 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5283 killApplication(clientPkg.applicationInfo.packageName, 5284 clientPkg.applicationInfo.uid, "update lib"); 5285 } 5286 } 5287 5288 // writer 5289 synchronized (mPackages) { 5290 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5291 // We don't do this here during boot because we can do it all 5292 // at once after scanning all existing packages. 5293 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5294 true, forceDex, (scanMode & SCAN_DEFER_DEX) != 0); 5295 } 5296 // We don't expect installation to fail beyond this point, 5297 if ((scanMode&SCAN_MONITOR) != 0) { 5298 mAppDirs.put(pkg.mPath, pkg); 5299 } 5300 // Add the new setting to mSettings 5301 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5302 // Add the new setting to mPackages 5303 mPackages.put(pkg.applicationInfo.packageName, pkg); 5304 // Make sure we don't accidentally delete its data. 5305 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5306 while (iter.hasNext()) { 5307 PackageCleanItem item = iter.next(); 5308 if (pkgName.equals(item.packageName)) { 5309 iter.remove(); 5310 } 5311 } 5312 5313 // Take care of first install / last update times. 5314 if (currentTime != 0) { 5315 if (pkgSetting.firstInstallTime == 0) { 5316 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5317 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5318 pkgSetting.lastUpdateTime = currentTime; 5319 } 5320 } else if (pkgSetting.firstInstallTime == 0) { 5321 // We need *something*. Take time time stamp of the file. 5322 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5323 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5324 if (scanFileTime != pkgSetting.timeStamp) { 5325 // A package on the system image has changed; consider this 5326 // to be an update. 5327 pkgSetting.lastUpdateTime = scanFileTime; 5328 } 5329 } 5330 5331 // Add the package's KeySets to the global KeySetManager 5332 KeySetManager ksm = mSettings.mKeySetManager; 5333 try { 5334 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5335 if (pkg.mKeySetMapping != null) { 5336 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5337 if (entry.getValue() != null) { 5338 ksm.addDefinedKeySetToPackage(pkg.packageName, 5339 entry.getValue(), entry.getKey()); 5340 } 5341 } 5342 } 5343 } catch (NullPointerException e) { 5344 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5345 } catch (IllegalArgumentException e) { 5346 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5347 } 5348 5349 int N = pkg.providers.size(); 5350 StringBuilder r = null; 5351 int i; 5352 for (i=0; i<N; i++) { 5353 PackageParser.Provider p = pkg.providers.get(i); 5354 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5355 p.info.processName, pkg.applicationInfo.uid); 5356 mProviders.addProvider(p); 5357 p.syncable = p.info.isSyncable; 5358 if (p.info.authority != null) { 5359 String names[] = p.info.authority.split(";"); 5360 p.info.authority = null; 5361 for (int j = 0; j < names.length; j++) { 5362 if (j == 1 && p.syncable) { 5363 // We only want the first authority for a provider to possibly be 5364 // syncable, so if we already added this provider using a different 5365 // authority clear the syncable flag. We copy the provider before 5366 // changing it because the mProviders object contains a reference 5367 // to a provider that we don't want to change. 5368 // Only do this for the second authority since the resulting provider 5369 // object can be the same for all future authorities for this provider. 5370 p = new PackageParser.Provider(p); 5371 p.syncable = false; 5372 } 5373 if (!mProvidersByAuthority.containsKey(names[j])) { 5374 mProvidersByAuthority.put(names[j], p); 5375 if (p.info.authority == null) { 5376 p.info.authority = names[j]; 5377 } else { 5378 p.info.authority = p.info.authority + ";" + names[j]; 5379 } 5380 if (DEBUG_PACKAGE_SCANNING) { 5381 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5382 Log.d(TAG, "Registered content provider: " + names[j] 5383 + ", className = " + p.info.name + ", isSyncable = " 5384 + p.info.isSyncable); 5385 } 5386 } else { 5387 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5388 Slog.w(TAG, "Skipping provider name " + names[j] + 5389 " (in package " + pkg.applicationInfo.packageName + 5390 "): name already used by " 5391 + ((other != null && other.getComponentName() != null) 5392 ? other.getComponentName().getPackageName() : "?")); 5393 } 5394 } 5395 } 5396 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5397 if (r == null) { 5398 r = new StringBuilder(256); 5399 } else { 5400 r.append(' '); 5401 } 5402 r.append(p.info.name); 5403 } 5404 } 5405 if (r != null) { 5406 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5407 } 5408 5409 N = pkg.services.size(); 5410 r = null; 5411 for (i=0; i<N; i++) { 5412 PackageParser.Service s = pkg.services.get(i); 5413 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5414 s.info.processName, pkg.applicationInfo.uid); 5415 mServices.addService(s); 5416 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5417 if (r == null) { 5418 r = new StringBuilder(256); 5419 } else { 5420 r.append(' '); 5421 } 5422 r.append(s.info.name); 5423 } 5424 } 5425 if (r != null) { 5426 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5427 } 5428 5429 N = pkg.receivers.size(); 5430 r = null; 5431 for (i=0; i<N; i++) { 5432 PackageParser.Activity a = pkg.receivers.get(i); 5433 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5434 a.info.processName, pkg.applicationInfo.uid); 5435 mReceivers.addActivity(a, "receiver"); 5436 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5437 if (r == null) { 5438 r = new StringBuilder(256); 5439 } else { 5440 r.append(' '); 5441 } 5442 r.append(a.info.name); 5443 } 5444 } 5445 if (r != null) { 5446 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5447 } 5448 5449 N = pkg.activities.size(); 5450 r = null; 5451 for (i=0; i<N; i++) { 5452 PackageParser.Activity a = pkg.activities.get(i); 5453 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5454 a.info.processName, pkg.applicationInfo.uid); 5455 mActivities.addActivity(a, "activity"); 5456 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5457 if (r == null) { 5458 r = new StringBuilder(256); 5459 } else { 5460 r.append(' '); 5461 } 5462 r.append(a.info.name); 5463 } 5464 } 5465 if (r != null) { 5466 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5467 } 5468 5469 N = pkg.permissionGroups.size(); 5470 r = null; 5471 for (i=0; i<N; i++) { 5472 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5473 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5474 if (cur == null) { 5475 mPermissionGroups.put(pg.info.name, pg); 5476 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5477 if (r == null) { 5478 r = new StringBuilder(256); 5479 } else { 5480 r.append(' '); 5481 } 5482 r.append(pg.info.name); 5483 } 5484 } else { 5485 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5486 + pg.info.packageName + " ignored: original from " 5487 + cur.info.packageName); 5488 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5489 if (r == null) { 5490 r = new StringBuilder(256); 5491 } else { 5492 r.append(' '); 5493 } 5494 r.append("DUP:"); 5495 r.append(pg.info.name); 5496 } 5497 } 5498 } 5499 if (r != null) { 5500 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5501 } 5502 5503 N = pkg.permissions.size(); 5504 r = null; 5505 for (i=0; i<N; i++) { 5506 PackageParser.Permission p = pkg.permissions.get(i); 5507 HashMap<String, BasePermission> permissionMap = 5508 p.tree ? mSettings.mPermissionTrees 5509 : mSettings.mPermissions; 5510 p.group = mPermissionGroups.get(p.info.group); 5511 if (p.info.group == null || p.group != null) { 5512 BasePermission bp = permissionMap.get(p.info.name); 5513 if (bp == null) { 5514 bp = new BasePermission(p.info.name, p.info.packageName, 5515 BasePermission.TYPE_NORMAL); 5516 permissionMap.put(p.info.name, bp); 5517 } 5518 if (bp.perm == null) { 5519 if (bp.sourcePackage != null 5520 && !bp.sourcePackage.equals(p.info.packageName)) { 5521 // If this is a permission that was formerly defined by a non-system 5522 // app, but is now defined by a system app (following an upgrade), 5523 // discard the previous declaration and consider the system's to be 5524 // canonical. 5525 if (isSystemApp(p.owner)) { 5526 Slog.i(TAG, "New decl " + p.owner + " of permission " 5527 + p.info.name + " is system"); 5528 bp.sourcePackage = null; 5529 } 5530 } 5531 if (bp.sourcePackage == null 5532 || bp.sourcePackage.equals(p.info.packageName)) { 5533 BasePermission tree = findPermissionTreeLP(p.info.name); 5534 if (tree == null 5535 || tree.sourcePackage.equals(p.info.packageName)) { 5536 bp.packageSetting = pkgSetting; 5537 bp.perm = p; 5538 bp.uid = pkg.applicationInfo.uid; 5539 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5540 if (r == null) { 5541 r = new StringBuilder(256); 5542 } else { 5543 r.append(' '); 5544 } 5545 r.append(p.info.name); 5546 } 5547 } else { 5548 Slog.w(TAG, "Permission " + p.info.name + " from package " 5549 + p.info.packageName + " ignored: base tree " 5550 + tree.name + " is from package " 5551 + tree.sourcePackage); 5552 } 5553 } else { 5554 Slog.w(TAG, "Permission " + p.info.name + " from package " 5555 + p.info.packageName + " ignored: original from " 5556 + bp.sourcePackage); 5557 } 5558 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5559 if (r == null) { 5560 r = new StringBuilder(256); 5561 } else { 5562 r.append(' '); 5563 } 5564 r.append("DUP:"); 5565 r.append(p.info.name); 5566 } 5567 if (bp.perm == p) { 5568 bp.protectionLevel = p.info.protectionLevel; 5569 } 5570 } else { 5571 Slog.w(TAG, "Permission " + p.info.name + " from package " 5572 + p.info.packageName + " ignored: no group " 5573 + p.group); 5574 } 5575 } 5576 if (r != null) { 5577 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5578 } 5579 5580 N = pkg.instrumentation.size(); 5581 r = null; 5582 for (i=0; i<N; i++) { 5583 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5584 a.info.packageName = pkg.applicationInfo.packageName; 5585 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5586 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5587 a.info.dataDir = pkg.applicationInfo.dataDir; 5588 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5589 mInstrumentation.put(a.getComponentName(), a); 5590 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5591 if (r == null) { 5592 r = new StringBuilder(256); 5593 } else { 5594 r.append(' '); 5595 } 5596 r.append(a.info.name); 5597 } 5598 } 5599 if (r != null) { 5600 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5601 } 5602 5603 if (pkg.protectedBroadcasts != null) { 5604 N = pkg.protectedBroadcasts.size(); 5605 for (i=0; i<N; i++) { 5606 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5607 } 5608 } 5609 5610 pkgSetting.setTimeStamp(scanFileTime); 5611 5612 // Create idmap files for pairs of (packages, overlay packages). 5613 // Note: "android", ie framework-res.apk, is handled by native layers. 5614 if (pkg.mOverlayTarget != null) { 5615 // This is an overlay package. 5616 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5617 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5618 mOverlays.put(pkg.mOverlayTarget, 5619 new HashMap<String, PackageParser.Package>()); 5620 } 5621 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5622 map.put(pkg.packageName, pkg); 5623 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5624 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5625 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5626 return null; 5627 } 5628 } 5629 } else if (mOverlays.containsKey(pkg.packageName) && 5630 !pkg.packageName.equals("android")) { 5631 // This is a regular package, with one or more known overlay packages. 5632 createIdmapsForPackageLI(pkg); 5633 } 5634 } 5635 5636 return pkg; 5637 } 5638 5639 public void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5640 boolean doDexOpt, boolean forceDexOpt, boolean deferDexOpt) { 5641 String requiredInstructionSet = null; 5642 PackageSetting requirer = null; 5643 for (PackageSetting ps : packagesForUser) { 5644 if (ps.requiredCpuAbiString != null) { 5645 final String instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 5646 if (requiredInstructionSet != null) { 5647 if (!instructionSet.equals(requiredInstructionSet)) { 5648 // We have a mismatch between instruction sets (say arm vs arm64). 5649 // 5650 // TODO: We should rescan all the packages in a shared UID to check if 5651 // they do contain shared libs for other ABIs in addition to the ones we've 5652 // already extracted. For example, the package might contain both arm64-v8a 5653 // and armeabi-v7a shared libs, and we'd have chosen arm64-v8a on 64 bit 5654 // devices. 5655 String errorMessage = "Instruction set mismatch, " + requirer.pkg.packageName 5656 + " requires " + requiredInstructionSet + " whereas " + ps.pkg.packageName 5657 + " requires " + instructionSet; 5658 Slog.e(TAG, errorMessage); 5659 5660 reportSettingsProblem(Log.WARN, errorMessage); 5661 // Give up, don't bother making any other changes to the package settings. 5662 return; 5663 } 5664 } else { 5665 requiredInstructionSet = instructionSet; 5666 requirer = ps; 5667 } 5668 } 5669 } 5670 5671 if (requiredInstructionSet != null) { 5672 for (PackageSetting ps : packagesForUser) { 5673 if (ps.requiredCpuAbiString == null) { 5674 ps.requiredCpuAbiString = requirer.requiredCpuAbiString; 5675 if (ps.pkg != null) { 5676 ps.pkg.applicationInfo.requiredCpuAbi = requirer.requiredCpuAbiString; 5677 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + ps.requiredCpuAbiString); 5678 if (doDexOpt) { 5679 performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true); 5680 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 5681 } 5682 } 5683 } 5684 } 5685 } 5686 } 5687 5688 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5689 synchronized (mPackages) { 5690 mResolverReplaced = true; 5691 // Set up information for custom user intent resolution activity. 5692 mResolveActivity.applicationInfo = pkg.applicationInfo; 5693 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5694 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5695 mResolveActivity.processName = null; 5696 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5697 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5698 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5699 mResolveActivity.theme = 0; 5700 mResolveActivity.exported = true; 5701 mResolveActivity.enabled = true; 5702 mResolveInfo.activityInfo = mResolveActivity; 5703 mResolveInfo.priority = 0; 5704 mResolveInfo.preferredOrder = 0; 5705 mResolveInfo.match = 0; 5706 mResolveComponentName = mCustomResolverComponentName; 5707 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5708 mResolveComponentName); 5709 } 5710 } 5711 5712 private String calculateApkRoot(final String codePathString) { 5713 final File codePath = new File(codePathString); 5714 final File codeRoot; 5715 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5716 codeRoot = Environment.getRootDirectory(); 5717 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5718 codeRoot = Environment.getOemDirectory(); 5719 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5720 codeRoot = Environment.getVendorDirectory(); 5721 } else { 5722 // Unrecognized code path; take its top real segment as the apk root: 5723 // e.g. /something/app/blah.apk => /something 5724 try { 5725 File f = codePath.getCanonicalFile(); 5726 File parent = f.getParentFile(); // non-null because codePath is a file 5727 File tmp; 5728 while ((tmp = parent.getParentFile()) != null) { 5729 f = parent; 5730 parent = tmp; 5731 } 5732 codeRoot = f; 5733 Slog.w(TAG, "Unrecognized code path " 5734 + codePath + " - using " + codeRoot); 5735 } catch (IOException e) { 5736 // Can't canonicalize the lib path -- shenanigans? 5737 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5738 return Environment.getRootDirectory().getPath(); 5739 } 5740 } 5741 return codeRoot.getPath(); 5742 } 5743 5744 // This is the initial scan-time determination of how to handle a given 5745 // package for purposes of native library location. 5746 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5747 PackageSetting pkgSetting) { 5748 // "bundled" here means system-installed with no overriding update 5749 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5750 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5751 final File libDir; 5752 if (bundledApk) { 5753 // If "/system/lib64/apkname" exists, assume that is the per-package 5754 // native library directory to use; otherwise use "/system/lib/apkname". 5755 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5756 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5757 File packLib64 = new File(lib64, apkName); 5758 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5759 } else { 5760 libDir = mAppLibInstallDir; 5761 } 5762 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5763 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5764 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5765 } 5766 5767 // Deduces the required ABI of an upgraded system app. 5768 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 5769 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5770 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5771 5772 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 5773 // or similar. 5774 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 5775 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 5776 5777 // Assume that the bundled native libraries always correspond to the 5778 // most preferred 32 or 64 bit ABI. 5779 if (lib64.exists()) { 5780 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 5781 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 5782 } else if (lib.exists()) { 5783 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5784 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 5785 } else { 5786 // This is the case where the app has no native code. 5787 pkg.applicationInfo.requiredCpuAbi = null; 5788 pkgSetting.requiredCpuAbiString = null; 5789 } 5790 } 5791 5792 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5793 throws IOException { 5794 if (!nativeLibraryDir.isDirectory()) { 5795 nativeLibraryDir.delete(); 5796 5797 if (!nativeLibraryDir.mkdir()) { 5798 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5799 } 5800 5801 try { 5802 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5803 } catch (ErrnoException e) { 5804 throw new IOException("Cannot chmod native library directory " 5805 + nativeLibraryDir.getPath(), e); 5806 } 5807 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5808 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5809 } 5810 5811 /* 5812 * If this is an internal application or our nativeLibraryPath points to 5813 * the app-lib directory, unpack the libraries if necessary. 5814 */ 5815 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5816 try { 5817 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5818 if (abi >= 0) { 5819 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5820 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5821 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5822 return copyRet; 5823 } 5824 } 5825 5826 return abi; 5827 } finally { 5828 handle.close(); 5829 } 5830 } 5831 5832 private void killApplication(String pkgName, int appId, String reason) { 5833 // Request the ActivityManager to kill the process(only for existing packages) 5834 // so that we do not end up in a confused state while the user is still using the older 5835 // version of the application while the new one gets installed. 5836 IActivityManager am = ActivityManagerNative.getDefault(); 5837 if (am != null) { 5838 try { 5839 am.killApplicationWithAppId(pkgName, appId, reason); 5840 } catch (RemoteException e) { 5841 } 5842 } 5843 } 5844 5845 void removePackageLI(PackageSetting ps, boolean chatty) { 5846 if (DEBUG_INSTALL) { 5847 if (chatty) 5848 Log.d(TAG, "Removing package " + ps.name); 5849 } 5850 5851 // writer 5852 synchronized (mPackages) { 5853 mPackages.remove(ps.name); 5854 if (ps.codePathString != null) { 5855 mAppDirs.remove(ps.codePathString); 5856 } 5857 5858 final PackageParser.Package pkg = ps.pkg; 5859 if (pkg != null) { 5860 cleanPackageDataStructuresLILPw(pkg, chatty); 5861 } 5862 } 5863 } 5864 5865 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5866 if (DEBUG_INSTALL) { 5867 if (chatty) 5868 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5869 } 5870 5871 // writer 5872 synchronized (mPackages) { 5873 mPackages.remove(pkg.applicationInfo.packageName); 5874 if (pkg.mPath != null) { 5875 mAppDirs.remove(pkg.mPath); 5876 } 5877 cleanPackageDataStructuresLILPw(pkg, chatty); 5878 } 5879 } 5880 5881 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5882 int N = pkg.providers.size(); 5883 StringBuilder r = null; 5884 int i; 5885 for (i=0; i<N; i++) { 5886 PackageParser.Provider p = pkg.providers.get(i); 5887 mProviders.removeProvider(p); 5888 if (p.info.authority == null) { 5889 5890 /* There was another ContentProvider with this authority when 5891 * this app was installed so this authority is null, 5892 * Ignore it as we don't have to unregister the provider. 5893 */ 5894 continue; 5895 } 5896 String names[] = p.info.authority.split(";"); 5897 for (int j = 0; j < names.length; j++) { 5898 if (mProvidersByAuthority.get(names[j]) == p) { 5899 mProvidersByAuthority.remove(names[j]); 5900 if (DEBUG_REMOVE) { 5901 if (chatty) 5902 Log.d(TAG, "Unregistered content provider: " + names[j] 5903 + ", className = " + p.info.name + ", isSyncable = " 5904 + p.info.isSyncable); 5905 } 5906 } 5907 } 5908 if (DEBUG_REMOVE && chatty) { 5909 if (r == null) { 5910 r = new StringBuilder(256); 5911 } else { 5912 r.append(' '); 5913 } 5914 r.append(p.info.name); 5915 } 5916 } 5917 if (r != null) { 5918 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5919 } 5920 5921 N = pkg.services.size(); 5922 r = null; 5923 for (i=0; i<N; i++) { 5924 PackageParser.Service s = pkg.services.get(i); 5925 mServices.removeService(s); 5926 if (chatty) { 5927 if (r == null) { 5928 r = new StringBuilder(256); 5929 } else { 5930 r.append(' '); 5931 } 5932 r.append(s.info.name); 5933 } 5934 } 5935 if (r != null) { 5936 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5937 } 5938 5939 N = pkg.receivers.size(); 5940 r = null; 5941 for (i=0; i<N; i++) { 5942 PackageParser.Activity a = pkg.receivers.get(i); 5943 mReceivers.removeActivity(a, "receiver"); 5944 if (DEBUG_REMOVE && chatty) { 5945 if (r == null) { 5946 r = new StringBuilder(256); 5947 } else { 5948 r.append(' '); 5949 } 5950 r.append(a.info.name); 5951 } 5952 } 5953 if (r != null) { 5954 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5955 } 5956 5957 N = pkg.activities.size(); 5958 r = null; 5959 for (i=0; i<N; i++) { 5960 PackageParser.Activity a = pkg.activities.get(i); 5961 mActivities.removeActivity(a, "activity"); 5962 if (DEBUG_REMOVE && chatty) { 5963 if (r == null) { 5964 r = new StringBuilder(256); 5965 } else { 5966 r.append(' '); 5967 } 5968 r.append(a.info.name); 5969 } 5970 } 5971 if (r != null) { 5972 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5973 } 5974 5975 N = pkg.permissions.size(); 5976 r = null; 5977 for (i=0; i<N; i++) { 5978 PackageParser.Permission p = pkg.permissions.get(i); 5979 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5980 if (bp == null) { 5981 bp = mSettings.mPermissionTrees.get(p.info.name); 5982 } 5983 if (bp != null && bp.perm == p) { 5984 bp.perm = null; 5985 if (DEBUG_REMOVE && chatty) { 5986 if (r == null) { 5987 r = new StringBuilder(256); 5988 } else { 5989 r.append(' '); 5990 } 5991 r.append(p.info.name); 5992 } 5993 } 5994 } 5995 if (r != null) { 5996 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5997 } 5998 5999 N = pkg.instrumentation.size(); 6000 r = null; 6001 for (i=0; i<N; i++) { 6002 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6003 mInstrumentation.remove(a.getComponentName()); 6004 if (DEBUG_REMOVE && chatty) { 6005 if (r == null) { 6006 r = new StringBuilder(256); 6007 } else { 6008 r.append(' '); 6009 } 6010 r.append(a.info.name); 6011 } 6012 } 6013 if (r != null) { 6014 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6015 } 6016 6017 r = null; 6018 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6019 // Only system apps can hold shared libraries. 6020 if (pkg.libraryNames != null) { 6021 for (i=0; i<pkg.libraryNames.size(); i++) { 6022 String name = pkg.libraryNames.get(i); 6023 SharedLibraryEntry cur = mSharedLibraries.get(name); 6024 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6025 mSharedLibraries.remove(name); 6026 if (DEBUG_REMOVE && chatty) { 6027 if (r == null) { 6028 r = new StringBuilder(256); 6029 } else { 6030 r.append(' '); 6031 } 6032 r.append(name); 6033 } 6034 } 6035 } 6036 } 6037 } 6038 if (r != null) { 6039 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6040 } 6041 } 6042 6043 private static final boolean isPackageFilename(String name) { 6044 return name != null && name.endsWith(".apk"); 6045 } 6046 6047 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6048 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6049 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6050 return true; 6051 } 6052 } 6053 return false; 6054 } 6055 6056 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6057 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6058 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6059 6060 private void updatePermissionsLPw(String changingPkg, 6061 PackageParser.Package pkgInfo, int flags) { 6062 // Make sure there are no dangling permission trees. 6063 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6064 while (it.hasNext()) { 6065 final BasePermission bp = it.next(); 6066 if (bp.packageSetting == null) { 6067 // We may not yet have parsed the package, so just see if 6068 // we still know about its settings. 6069 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6070 } 6071 if (bp.packageSetting == null) { 6072 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6073 + " from package " + bp.sourcePackage); 6074 it.remove(); 6075 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6076 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6077 Slog.i(TAG, "Removing old permission tree: " + bp.name 6078 + " from package " + bp.sourcePackage); 6079 flags |= UPDATE_PERMISSIONS_ALL; 6080 it.remove(); 6081 } 6082 } 6083 } 6084 6085 // Make sure all dynamic permissions have been assigned to a package, 6086 // and make sure there are no dangling permissions. 6087 it = mSettings.mPermissions.values().iterator(); 6088 while (it.hasNext()) { 6089 final BasePermission bp = it.next(); 6090 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6091 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6092 + bp.name + " pkg=" + bp.sourcePackage 6093 + " info=" + bp.pendingInfo); 6094 if (bp.packageSetting == null && bp.pendingInfo != null) { 6095 final BasePermission tree = findPermissionTreeLP(bp.name); 6096 if (tree != null && tree.perm != null) { 6097 bp.packageSetting = tree.packageSetting; 6098 bp.perm = new PackageParser.Permission(tree.perm.owner, 6099 new PermissionInfo(bp.pendingInfo)); 6100 bp.perm.info.packageName = tree.perm.info.packageName; 6101 bp.perm.info.name = bp.name; 6102 bp.uid = tree.uid; 6103 } 6104 } 6105 } 6106 if (bp.packageSetting == null) { 6107 // We may not yet have parsed the package, so just see if 6108 // we still know about its settings. 6109 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6110 } 6111 if (bp.packageSetting == null) { 6112 Slog.w(TAG, "Removing dangling permission: " + bp.name 6113 + " from package " + bp.sourcePackage); 6114 it.remove(); 6115 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6116 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6117 Slog.i(TAG, "Removing old permission: " + bp.name 6118 + " from package " + bp.sourcePackage); 6119 flags |= UPDATE_PERMISSIONS_ALL; 6120 it.remove(); 6121 } 6122 } 6123 } 6124 6125 // Now update the permissions for all packages, in particular 6126 // replace the granted permissions of the system packages. 6127 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6128 for (PackageParser.Package pkg : mPackages.values()) { 6129 if (pkg != pkgInfo) { 6130 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6131 } 6132 } 6133 } 6134 6135 if (pkgInfo != null) { 6136 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6137 } 6138 } 6139 6140 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6141 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6142 if (ps == null) { 6143 return; 6144 } 6145 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6146 HashSet<String> origPermissions = gp.grantedPermissions; 6147 boolean changedPermission = false; 6148 6149 if (replace) { 6150 ps.permissionsFixed = false; 6151 if (gp == ps) { 6152 origPermissions = new HashSet<String>(gp.grantedPermissions); 6153 gp.grantedPermissions.clear(); 6154 gp.gids = mGlobalGids; 6155 } 6156 } 6157 6158 if (gp.gids == null) { 6159 gp.gids = mGlobalGids; 6160 } 6161 6162 final int N = pkg.requestedPermissions.size(); 6163 for (int i=0; i<N; i++) { 6164 final String name = pkg.requestedPermissions.get(i); 6165 final boolean required = pkg.requestedPermissionsRequired.get(i); 6166 final BasePermission bp = mSettings.mPermissions.get(name); 6167 if (DEBUG_INSTALL) { 6168 if (gp != ps) { 6169 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6170 } 6171 } 6172 6173 if (bp == null || bp.packageSetting == null) { 6174 Slog.w(TAG, "Unknown permission " + name 6175 + " in package " + pkg.packageName); 6176 continue; 6177 } 6178 6179 final String perm = bp.name; 6180 boolean allowed; 6181 boolean allowedSig = false; 6182 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6183 if (level == PermissionInfo.PROTECTION_NORMAL 6184 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6185 // We grant a normal or dangerous permission if any of the following 6186 // are true: 6187 // 1) The permission is required 6188 // 2) The permission is optional, but was granted in the past 6189 // 3) The permission is optional, but was requested by an 6190 // app in /system (not /data) 6191 // 6192 // Otherwise, reject the permission. 6193 allowed = (required || origPermissions.contains(perm) 6194 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6195 } else if (bp.packageSetting == null) { 6196 // This permission is invalid; skip it. 6197 allowed = false; 6198 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6199 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6200 if (allowed) { 6201 allowedSig = true; 6202 } 6203 } else { 6204 allowed = false; 6205 } 6206 if (DEBUG_INSTALL) { 6207 if (gp != ps) { 6208 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6209 } 6210 } 6211 if (allowed) { 6212 if (!isSystemApp(ps) && ps.permissionsFixed) { 6213 // If this is an existing, non-system package, then 6214 // we can't add any new permissions to it. 6215 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6216 // Except... if this is a permission that was added 6217 // to the platform (note: need to only do this when 6218 // updating the platform). 6219 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6220 } 6221 } 6222 if (allowed) { 6223 if (!gp.grantedPermissions.contains(perm)) { 6224 changedPermission = true; 6225 gp.grantedPermissions.add(perm); 6226 gp.gids = appendInts(gp.gids, bp.gids); 6227 } else if (!ps.haveGids) { 6228 gp.gids = appendInts(gp.gids, bp.gids); 6229 } 6230 } else { 6231 Slog.w(TAG, "Not granting permission " + perm 6232 + " to package " + pkg.packageName 6233 + " because it was previously installed without"); 6234 } 6235 } else { 6236 if (gp.grantedPermissions.remove(perm)) { 6237 changedPermission = true; 6238 gp.gids = removeInts(gp.gids, bp.gids); 6239 Slog.i(TAG, "Un-granting permission " + perm 6240 + " from package " + pkg.packageName 6241 + " (protectionLevel=" + bp.protectionLevel 6242 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6243 + ")"); 6244 } else { 6245 Slog.w(TAG, "Not granting permission " + perm 6246 + " to package " + pkg.packageName 6247 + " (protectionLevel=" + bp.protectionLevel 6248 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6249 + ")"); 6250 } 6251 } 6252 } 6253 6254 if ((changedPermission || replace) && !ps.permissionsFixed && 6255 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6256 // This is the first that we have heard about this package, so the 6257 // permissions we have now selected are fixed until explicitly 6258 // changed. 6259 ps.permissionsFixed = true; 6260 } 6261 ps.haveGids = true; 6262 } 6263 6264 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6265 boolean allowed = false; 6266 final int NP = PackageParser.NEW_PERMISSIONS.length; 6267 for (int ip=0; ip<NP; ip++) { 6268 final PackageParser.NewPermissionInfo npi 6269 = PackageParser.NEW_PERMISSIONS[ip]; 6270 if (npi.name.equals(perm) 6271 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6272 allowed = true; 6273 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6274 + pkg.packageName); 6275 break; 6276 } 6277 } 6278 return allowed; 6279 } 6280 6281 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6282 BasePermission bp, HashSet<String> origPermissions) { 6283 boolean allowed; 6284 allowed = (compareSignatures( 6285 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6286 == PackageManager.SIGNATURE_MATCH) 6287 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6288 == PackageManager.SIGNATURE_MATCH); 6289 if (!allowed && (bp.protectionLevel 6290 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6291 if (isSystemApp(pkg)) { 6292 // For updated system applications, a system permission 6293 // is granted only if it had been defined by the original application. 6294 if (isUpdatedSystemApp(pkg)) { 6295 final PackageSetting sysPs = mSettings 6296 .getDisabledSystemPkgLPr(pkg.packageName); 6297 final GrantedPermissions origGp = sysPs.sharedUser != null 6298 ? sysPs.sharedUser : sysPs; 6299 6300 if (origGp.grantedPermissions.contains(perm)) { 6301 // If the original was granted this permission, we take 6302 // that grant decision as read and propagate it to the 6303 // update. 6304 allowed = true; 6305 } else { 6306 // The system apk may have been updated with an older 6307 // version of the one on the data partition, but which 6308 // granted a new system permission that it didn't have 6309 // before. In this case we do want to allow the app to 6310 // now get the new permission if the ancestral apk is 6311 // privileged to get it. 6312 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6313 for (int j=0; 6314 j<sysPs.pkg.requestedPermissions.size(); j++) { 6315 if (perm.equals( 6316 sysPs.pkg.requestedPermissions.get(j))) { 6317 allowed = true; 6318 break; 6319 } 6320 } 6321 } 6322 } 6323 } else { 6324 allowed = isPrivilegedApp(pkg); 6325 } 6326 } 6327 } 6328 if (!allowed && (bp.protectionLevel 6329 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6330 // For development permissions, a development permission 6331 // is granted only if it was already granted. 6332 allowed = origPermissions.contains(perm); 6333 } 6334 return allowed; 6335 } 6336 6337 final class ActivityIntentResolver 6338 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6339 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6340 boolean defaultOnly, int userId) { 6341 if (!sUserManager.exists(userId)) return null; 6342 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6343 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6344 } 6345 6346 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6347 int userId) { 6348 if (!sUserManager.exists(userId)) return null; 6349 mFlags = flags; 6350 return super.queryIntent(intent, resolvedType, 6351 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6352 } 6353 6354 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6355 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6356 if (!sUserManager.exists(userId)) return null; 6357 if (packageActivities == null) { 6358 return null; 6359 } 6360 mFlags = flags; 6361 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6362 final int N = packageActivities.size(); 6363 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6364 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6365 6366 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6367 for (int i = 0; i < N; ++i) { 6368 intentFilters = packageActivities.get(i).intents; 6369 if (intentFilters != null && intentFilters.size() > 0) { 6370 PackageParser.ActivityIntentInfo[] array = 6371 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6372 intentFilters.toArray(array); 6373 listCut.add(array); 6374 } 6375 } 6376 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6377 } 6378 6379 public final void addActivity(PackageParser.Activity a, String type) { 6380 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6381 mActivities.put(a.getComponentName(), a); 6382 if (DEBUG_SHOW_INFO) 6383 Log.v( 6384 TAG, " " + type + " " + 6385 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6386 if (DEBUG_SHOW_INFO) 6387 Log.v(TAG, " Class=" + a.info.name); 6388 final int NI = a.intents.size(); 6389 for (int j=0; j<NI; j++) { 6390 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6391 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6392 intent.setPriority(0); 6393 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6394 + a.className + " with priority > 0, forcing to 0"); 6395 } 6396 if (DEBUG_SHOW_INFO) { 6397 Log.v(TAG, " IntentFilter:"); 6398 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6399 } 6400 if (!intent.debugCheck()) { 6401 Log.w(TAG, "==> For Activity " + a.info.name); 6402 } 6403 addFilter(intent); 6404 } 6405 } 6406 6407 public final void removeActivity(PackageParser.Activity a, String type) { 6408 mActivities.remove(a.getComponentName()); 6409 if (DEBUG_SHOW_INFO) { 6410 Log.v(TAG, " " + type + " " 6411 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6412 : a.info.name) + ":"); 6413 Log.v(TAG, " Class=" + a.info.name); 6414 } 6415 final int NI = a.intents.size(); 6416 for (int j=0; j<NI; j++) { 6417 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6418 if (DEBUG_SHOW_INFO) { 6419 Log.v(TAG, " IntentFilter:"); 6420 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6421 } 6422 removeFilter(intent); 6423 } 6424 } 6425 6426 @Override 6427 protected boolean allowFilterResult( 6428 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6429 ActivityInfo filterAi = filter.activity.info; 6430 for (int i=dest.size()-1; i>=0; i--) { 6431 ActivityInfo destAi = dest.get(i).activityInfo; 6432 if (destAi.name == filterAi.name 6433 && destAi.packageName == filterAi.packageName) { 6434 return false; 6435 } 6436 } 6437 return true; 6438 } 6439 6440 @Override 6441 protected ActivityIntentInfo[] newArray(int size) { 6442 return new ActivityIntentInfo[size]; 6443 } 6444 6445 @Override 6446 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6447 if (!sUserManager.exists(userId)) return true; 6448 PackageParser.Package p = filter.activity.owner; 6449 if (p != null) { 6450 PackageSetting ps = (PackageSetting)p.mExtras; 6451 if (ps != null) { 6452 // System apps are never considered stopped for purposes of 6453 // filtering, because there may be no way for the user to 6454 // actually re-launch them. 6455 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6456 && ps.getStopped(userId); 6457 } 6458 } 6459 return false; 6460 } 6461 6462 @Override 6463 protected boolean isPackageForFilter(String packageName, 6464 PackageParser.ActivityIntentInfo info) { 6465 return packageName.equals(info.activity.owner.packageName); 6466 } 6467 6468 @Override 6469 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6470 int match, int userId) { 6471 if (!sUserManager.exists(userId)) return null; 6472 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6473 return null; 6474 } 6475 final PackageParser.Activity activity = info.activity; 6476 if (mSafeMode && (activity.info.applicationInfo.flags 6477 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6478 return null; 6479 } 6480 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6481 if (ps == null) { 6482 return null; 6483 } 6484 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6485 ps.readUserState(userId), userId); 6486 if (ai == null) { 6487 return null; 6488 } 6489 final ResolveInfo res = new ResolveInfo(); 6490 res.activityInfo = ai; 6491 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6492 res.filter = info; 6493 } 6494 res.priority = info.getPriority(); 6495 res.preferredOrder = activity.owner.mPreferredOrder; 6496 //System.out.println("Result: " + res.activityInfo.className + 6497 // " = " + res.priority); 6498 res.match = match; 6499 res.isDefault = info.hasDefault; 6500 res.labelRes = info.labelRes; 6501 res.nonLocalizedLabel = info.nonLocalizedLabel; 6502 res.icon = info.icon; 6503 res.system = isSystemApp(res.activityInfo.applicationInfo); 6504 return res; 6505 } 6506 6507 @Override 6508 protected void sortResults(List<ResolveInfo> results) { 6509 Collections.sort(results, mResolvePrioritySorter); 6510 } 6511 6512 @Override 6513 protected void dumpFilter(PrintWriter out, String prefix, 6514 PackageParser.ActivityIntentInfo filter) { 6515 out.print(prefix); out.print( 6516 Integer.toHexString(System.identityHashCode(filter.activity))); 6517 out.print(' '); 6518 filter.activity.printComponentShortName(out); 6519 out.print(" filter "); 6520 out.println(Integer.toHexString(System.identityHashCode(filter))); 6521 } 6522 6523// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6524// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6525// final List<ResolveInfo> retList = Lists.newArrayList(); 6526// while (i.hasNext()) { 6527// final ResolveInfo resolveInfo = i.next(); 6528// if (isEnabledLP(resolveInfo.activityInfo)) { 6529// retList.add(resolveInfo); 6530// } 6531// } 6532// return retList; 6533// } 6534 6535 // Keys are String (activity class name), values are Activity. 6536 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6537 = new HashMap<ComponentName, PackageParser.Activity>(); 6538 private int mFlags; 6539 } 6540 6541 private final class ServiceIntentResolver 6542 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6543 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6544 boolean defaultOnly, int userId) { 6545 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6546 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6547 } 6548 6549 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6550 int userId) { 6551 if (!sUserManager.exists(userId)) return null; 6552 mFlags = flags; 6553 return super.queryIntent(intent, resolvedType, 6554 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6555 } 6556 6557 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6558 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6559 if (!sUserManager.exists(userId)) return null; 6560 if (packageServices == null) { 6561 return null; 6562 } 6563 mFlags = flags; 6564 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6565 final int N = packageServices.size(); 6566 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6567 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6568 6569 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6570 for (int i = 0; i < N; ++i) { 6571 intentFilters = packageServices.get(i).intents; 6572 if (intentFilters != null && intentFilters.size() > 0) { 6573 PackageParser.ServiceIntentInfo[] array = 6574 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6575 intentFilters.toArray(array); 6576 listCut.add(array); 6577 } 6578 } 6579 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6580 } 6581 6582 public final void addService(PackageParser.Service s) { 6583 mServices.put(s.getComponentName(), s); 6584 if (DEBUG_SHOW_INFO) { 6585 Log.v(TAG, " " 6586 + (s.info.nonLocalizedLabel != null 6587 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6588 Log.v(TAG, " Class=" + s.info.name); 6589 } 6590 final int NI = s.intents.size(); 6591 int j; 6592 for (j=0; j<NI; j++) { 6593 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6594 if (DEBUG_SHOW_INFO) { 6595 Log.v(TAG, " IntentFilter:"); 6596 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6597 } 6598 if (!intent.debugCheck()) { 6599 Log.w(TAG, "==> For Service " + s.info.name); 6600 } 6601 addFilter(intent); 6602 } 6603 } 6604 6605 public final void removeService(PackageParser.Service s) { 6606 mServices.remove(s.getComponentName()); 6607 if (DEBUG_SHOW_INFO) { 6608 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6609 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6610 Log.v(TAG, " Class=" + s.info.name); 6611 } 6612 final int NI = s.intents.size(); 6613 int j; 6614 for (j=0; j<NI; j++) { 6615 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6616 if (DEBUG_SHOW_INFO) { 6617 Log.v(TAG, " IntentFilter:"); 6618 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6619 } 6620 removeFilter(intent); 6621 } 6622 } 6623 6624 @Override 6625 protected boolean allowFilterResult( 6626 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6627 ServiceInfo filterSi = filter.service.info; 6628 for (int i=dest.size()-1; i>=0; i--) { 6629 ServiceInfo destAi = dest.get(i).serviceInfo; 6630 if (destAi.name == filterSi.name 6631 && destAi.packageName == filterSi.packageName) { 6632 return false; 6633 } 6634 } 6635 return true; 6636 } 6637 6638 @Override 6639 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6640 return new PackageParser.ServiceIntentInfo[size]; 6641 } 6642 6643 @Override 6644 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6645 if (!sUserManager.exists(userId)) return true; 6646 PackageParser.Package p = filter.service.owner; 6647 if (p != null) { 6648 PackageSetting ps = (PackageSetting)p.mExtras; 6649 if (ps != null) { 6650 // System apps are never considered stopped for purposes of 6651 // filtering, because there may be no way for the user to 6652 // actually re-launch them. 6653 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6654 && ps.getStopped(userId); 6655 } 6656 } 6657 return false; 6658 } 6659 6660 @Override 6661 protected boolean isPackageForFilter(String packageName, 6662 PackageParser.ServiceIntentInfo info) { 6663 return packageName.equals(info.service.owner.packageName); 6664 } 6665 6666 @Override 6667 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6668 int match, int userId) { 6669 if (!sUserManager.exists(userId)) return null; 6670 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6671 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6672 return null; 6673 } 6674 final PackageParser.Service service = info.service; 6675 if (mSafeMode && (service.info.applicationInfo.flags 6676 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6677 return null; 6678 } 6679 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6680 if (ps == null) { 6681 return null; 6682 } 6683 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6684 ps.readUserState(userId), userId); 6685 if (si == null) { 6686 return null; 6687 } 6688 final ResolveInfo res = new ResolveInfo(); 6689 res.serviceInfo = si; 6690 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6691 res.filter = filter; 6692 } 6693 res.priority = info.getPriority(); 6694 res.preferredOrder = service.owner.mPreferredOrder; 6695 //System.out.println("Result: " + res.activityInfo.className + 6696 // " = " + res.priority); 6697 res.match = match; 6698 res.isDefault = info.hasDefault; 6699 res.labelRes = info.labelRes; 6700 res.nonLocalizedLabel = info.nonLocalizedLabel; 6701 res.icon = info.icon; 6702 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6703 return res; 6704 } 6705 6706 @Override 6707 protected void sortResults(List<ResolveInfo> results) { 6708 Collections.sort(results, mResolvePrioritySorter); 6709 } 6710 6711 @Override 6712 protected void dumpFilter(PrintWriter out, String prefix, 6713 PackageParser.ServiceIntentInfo filter) { 6714 out.print(prefix); out.print( 6715 Integer.toHexString(System.identityHashCode(filter.service))); 6716 out.print(' '); 6717 filter.service.printComponentShortName(out); 6718 out.print(" filter "); 6719 out.println(Integer.toHexString(System.identityHashCode(filter))); 6720 } 6721 6722// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6723// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6724// final List<ResolveInfo> retList = Lists.newArrayList(); 6725// while (i.hasNext()) { 6726// final ResolveInfo resolveInfo = (ResolveInfo) i; 6727// if (isEnabledLP(resolveInfo.serviceInfo)) { 6728// retList.add(resolveInfo); 6729// } 6730// } 6731// return retList; 6732// } 6733 6734 // Keys are String (activity class name), values are Activity. 6735 private final HashMap<ComponentName, PackageParser.Service> mServices 6736 = new HashMap<ComponentName, PackageParser.Service>(); 6737 private int mFlags; 6738 }; 6739 6740 private final class ProviderIntentResolver 6741 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6742 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6743 boolean defaultOnly, int userId) { 6744 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6745 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6746 } 6747 6748 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6749 int userId) { 6750 if (!sUserManager.exists(userId)) 6751 return null; 6752 mFlags = flags; 6753 return super.queryIntent(intent, resolvedType, 6754 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6755 } 6756 6757 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6758 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6759 if (!sUserManager.exists(userId)) 6760 return null; 6761 if (packageProviders == null) { 6762 return null; 6763 } 6764 mFlags = flags; 6765 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6766 final int N = packageProviders.size(); 6767 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6768 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6769 6770 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6771 for (int i = 0; i < N; ++i) { 6772 intentFilters = packageProviders.get(i).intents; 6773 if (intentFilters != null && intentFilters.size() > 0) { 6774 PackageParser.ProviderIntentInfo[] array = 6775 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6776 intentFilters.toArray(array); 6777 listCut.add(array); 6778 } 6779 } 6780 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6781 } 6782 6783 public final void addProvider(PackageParser.Provider p) { 6784 mProviders.put(p.getComponentName(), p); 6785 if (DEBUG_SHOW_INFO) { 6786 Log.v(TAG, " " 6787 + (p.info.nonLocalizedLabel != null 6788 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6789 Log.v(TAG, " Class=" + p.info.name); 6790 } 6791 final int NI = p.intents.size(); 6792 int j; 6793 for (j = 0; j < NI; j++) { 6794 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6795 if (DEBUG_SHOW_INFO) { 6796 Log.v(TAG, " IntentFilter:"); 6797 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6798 } 6799 if (!intent.debugCheck()) { 6800 Log.w(TAG, "==> For Provider " + p.info.name); 6801 } 6802 addFilter(intent); 6803 } 6804 } 6805 6806 public final void removeProvider(PackageParser.Provider p) { 6807 mProviders.remove(p.getComponentName()); 6808 if (DEBUG_SHOW_INFO) { 6809 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6810 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6811 Log.v(TAG, " Class=" + p.info.name); 6812 } 6813 final int NI = p.intents.size(); 6814 int j; 6815 for (j = 0; j < NI; j++) { 6816 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6817 if (DEBUG_SHOW_INFO) { 6818 Log.v(TAG, " IntentFilter:"); 6819 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6820 } 6821 removeFilter(intent); 6822 } 6823 } 6824 6825 @Override 6826 protected boolean allowFilterResult( 6827 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6828 ProviderInfo filterPi = filter.provider.info; 6829 for (int i = dest.size() - 1; i >= 0; i--) { 6830 ProviderInfo destPi = dest.get(i).providerInfo; 6831 if (destPi.name == filterPi.name 6832 && destPi.packageName == filterPi.packageName) { 6833 return false; 6834 } 6835 } 6836 return true; 6837 } 6838 6839 @Override 6840 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6841 return new PackageParser.ProviderIntentInfo[size]; 6842 } 6843 6844 @Override 6845 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6846 if (!sUserManager.exists(userId)) 6847 return true; 6848 PackageParser.Package p = filter.provider.owner; 6849 if (p != null) { 6850 PackageSetting ps = (PackageSetting) p.mExtras; 6851 if (ps != null) { 6852 // System apps are never considered stopped for purposes of 6853 // filtering, because there may be no way for the user to 6854 // actually re-launch them. 6855 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6856 && ps.getStopped(userId); 6857 } 6858 } 6859 return false; 6860 } 6861 6862 @Override 6863 protected boolean isPackageForFilter(String packageName, 6864 PackageParser.ProviderIntentInfo info) { 6865 return packageName.equals(info.provider.owner.packageName); 6866 } 6867 6868 @Override 6869 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6870 int match, int userId) { 6871 if (!sUserManager.exists(userId)) 6872 return null; 6873 final PackageParser.ProviderIntentInfo info = filter; 6874 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6875 return null; 6876 } 6877 final PackageParser.Provider provider = info.provider; 6878 if (mSafeMode && (provider.info.applicationInfo.flags 6879 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6880 return null; 6881 } 6882 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6883 if (ps == null) { 6884 return null; 6885 } 6886 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6887 ps.readUserState(userId), userId); 6888 if (pi == null) { 6889 return null; 6890 } 6891 final ResolveInfo res = new ResolveInfo(); 6892 res.providerInfo = pi; 6893 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6894 res.filter = filter; 6895 } 6896 res.priority = info.getPriority(); 6897 res.preferredOrder = provider.owner.mPreferredOrder; 6898 res.match = match; 6899 res.isDefault = info.hasDefault; 6900 res.labelRes = info.labelRes; 6901 res.nonLocalizedLabel = info.nonLocalizedLabel; 6902 res.icon = info.icon; 6903 res.system = isSystemApp(res.providerInfo.applicationInfo); 6904 return res; 6905 } 6906 6907 @Override 6908 protected void sortResults(List<ResolveInfo> results) { 6909 Collections.sort(results, mResolvePrioritySorter); 6910 } 6911 6912 @Override 6913 protected void dumpFilter(PrintWriter out, String prefix, 6914 PackageParser.ProviderIntentInfo filter) { 6915 out.print(prefix); 6916 out.print( 6917 Integer.toHexString(System.identityHashCode(filter.provider))); 6918 out.print(' '); 6919 filter.provider.printComponentShortName(out); 6920 out.print(" filter "); 6921 out.println(Integer.toHexString(System.identityHashCode(filter))); 6922 } 6923 6924 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6925 = new HashMap<ComponentName, PackageParser.Provider>(); 6926 private int mFlags; 6927 }; 6928 6929 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6930 new Comparator<ResolveInfo>() { 6931 public int compare(ResolveInfo r1, ResolveInfo r2) { 6932 int v1 = r1.priority; 6933 int v2 = r2.priority; 6934 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6935 if (v1 != v2) { 6936 return (v1 > v2) ? -1 : 1; 6937 } 6938 v1 = r1.preferredOrder; 6939 v2 = r2.preferredOrder; 6940 if (v1 != v2) { 6941 return (v1 > v2) ? -1 : 1; 6942 } 6943 if (r1.isDefault != r2.isDefault) { 6944 return r1.isDefault ? -1 : 1; 6945 } 6946 v1 = r1.match; 6947 v2 = r2.match; 6948 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6949 if (v1 != v2) { 6950 return (v1 > v2) ? -1 : 1; 6951 } 6952 if (r1.system != r2.system) { 6953 return r1.system ? -1 : 1; 6954 } 6955 return 0; 6956 } 6957 }; 6958 6959 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6960 new Comparator<ProviderInfo>() { 6961 public int compare(ProviderInfo p1, ProviderInfo p2) { 6962 final int v1 = p1.initOrder; 6963 final int v2 = p2.initOrder; 6964 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6965 } 6966 }; 6967 6968 static final void sendPackageBroadcast(String action, String pkg, 6969 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6970 int[] userIds) { 6971 IActivityManager am = ActivityManagerNative.getDefault(); 6972 if (am != null) { 6973 try { 6974 if (userIds == null) { 6975 userIds = am.getRunningUserIds(); 6976 } 6977 for (int id : userIds) { 6978 final Intent intent = new Intent(action, 6979 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6980 if (extras != null) { 6981 intent.putExtras(extras); 6982 } 6983 if (targetPkg != null) { 6984 intent.setPackage(targetPkg); 6985 } 6986 // Modify the UID when posting to other users 6987 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6988 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6989 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6990 intent.putExtra(Intent.EXTRA_UID, uid); 6991 } 6992 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6993 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6994 if (DEBUG_BROADCASTS) { 6995 RuntimeException here = new RuntimeException("here"); 6996 here.fillInStackTrace(); 6997 Slog.d(TAG, "Sending to user " + id + ": " 6998 + intent.toShortString(false, true, false, false) 6999 + " " + intent.getExtras(), here); 7000 } 7001 am.broadcastIntent(null, intent, null, finishedReceiver, 7002 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7003 finishedReceiver != null, false, id); 7004 } 7005 } catch (RemoteException ex) { 7006 } 7007 } 7008 } 7009 7010 /** 7011 * Check if the external storage media is available. This is true if there 7012 * is a mounted external storage medium or if the external storage is 7013 * emulated. 7014 */ 7015 private boolean isExternalMediaAvailable() { 7016 return mMediaMounted || Environment.isExternalStorageEmulated(); 7017 } 7018 7019 @Override 7020 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7021 // writer 7022 synchronized (mPackages) { 7023 if (!isExternalMediaAvailable()) { 7024 // If the external storage is no longer mounted at this point, 7025 // the caller may not have been able to delete all of this 7026 // packages files and can not delete any more. Bail. 7027 return null; 7028 } 7029 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7030 if (lastPackage != null) { 7031 pkgs.remove(lastPackage); 7032 } 7033 if (pkgs.size() > 0) { 7034 return pkgs.get(0); 7035 } 7036 } 7037 return null; 7038 } 7039 7040 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7041 if (false) { 7042 RuntimeException here = new RuntimeException("here"); 7043 here.fillInStackTrace(); 7044 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7045 + " andCode=" + andCode, here); 7046 } 7047 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7048 userId, andCode ? 1 : 0, packageName)); 7049 } 7050 7051 void startCleaningPackages() { 7052 // reader 7053 synchronized (mPackages) { 7054 if (!isExternalMediaAvailable()) { 7055 return; 7056 } 7057 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7058 return; 7059 } 7060 } 7061 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7062 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7063 IActivityManager am = ActivityManagerNative.getDefault(); 7064 if (am != null) { 7065 try { 7066 am.startService(null, intent, null, UserHandle.USER_OWNER); 7067 } catch (RemoteException e) { 7068 } 7069 } 7070 } 7071 7072 private final class AppDirObserver extends FileObserver { 7073 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7074 super(path, mask); 7075 mRootDir = path; 7076 mIsRom = isrom; 7077 mIsPrivileged = isPrivileged; 7078 } 7079 7080 public void onEvent(int event, String path) { 7081 String removedPackage = null; 7082 int removedAppId = -1; 7083 int[] removedUsers = null; 7084 String addedPackage = null; 7085 int addedAppId = -1; 7086 int[] addedUsers = null; 7087 7088 // TODO post a message to the handler to obtain serial ordering 7089 synchronized (mInstallLock) { 7090 String fullPathStr = null; 7091 File fullPath = null; 7092 if (path != null) { 7093 fullPath = new File(mRootDir, path); 7094 fullPathStr = fullPath.getPath(); 7095 } 7096 7097 if (DEBUG_APP_DIR_OBSERVER) 7098 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7099 7100 if (!isPackageFilename(path)) { 7101 if (DEBUG_APP_DIR_OBSERVER) 7102 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7103 return; 7104 } 7105 7106 // Ignore packages that are being installed or 7107 // have just been installed. 7108 if (ignoreCodePath(fullPathStr)) { 7109 return; 7110 } 7111 PackageParser.Package p = null; 7112 PackageSetting ps = null; 7113 // reader 7114 synchronized (mPackages) { 7115 p = mAppDirs.get(fullPathStr); 7116 if (p != null) { 7117 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7118 if (ps != null) { 7119 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7120 } else { 7121 removedUsers = sUserManager.getUserIds(); 7122 } 7123 } 7124 addedUsers = sUserManager.getUserIds(); 7125 } 7126 if ((event&REMOVE_EVENTS) != 0) { 7127 if (ps != null) { 7128 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7129 removePackageLI(ps, true); 7130 removedPackage = ps.name; 7131 removedAppId = ps.appId; 7132 } 7133 } 7134 7135 if ((event&ADD_EVENTS) != 0) { 7136 if (p == null) { 7137 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7138 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7139 if (mIsRom) { 7140 flags |= PackageParser.PARSE_IS_SYSTEM 7141 | PackageParser.PARSE_IS_SYSTEM_DIR; 7142 if (mIsPrivileged) { 7143 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7144 } 7145 } 7146 p = scanPackageLI(fullPath, flags, 7147 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7148 System.currentTimeMillis(), UserHandle.ALL); 7149 if (p != null) { 7150 /* 7151 * TODO this seems dangerous as the package may have 7152 * changed since we last acquired the mPackages 7153 * lock. 7154 */ 7155 // writer 7156 synchronized (mPackages) { 7157 updatePermissionsLPw(p.packageName, p, 7158 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7159 } 7160 addedPackage = p.applicationInfo.packageName; 7161 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7162 } 7163 } 7164 } 7165 7166 // reader 7167 synchronized (mPackages) { 7168 mSettings.writeLPr(); 7169 } 7170 } 7171 7172 if (removedPackage != null) { 7173 Bundle extras = new Bundle(1); 7174 extras.putInt(Intent.EXTRA_UID, removedAppId); 7175 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7176 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7177 extras, null, null, removedUsers); 7178 } 7179 if (addedPackage != null) { 7180 Bundle extras = new Bundle(1); 7181 extras.putInt(Intent.EXTRA_UID, addedAppId); 7182 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7183 extras, null, null, addedUsers); 7184 } 7185 } 7186 7187 private final String mRootDir; 7188 private final boolean mIsRom; 7189 private final boolean mIsPrivileged; 7190 } 7191 7192 /* Called when a downloaded package installation has been confirmed by the user */ 7193 public void installPackage( 7194 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7195 installPackage(packageURI, observer, flags, null); 7196 } 7197 7198 /* Called when a downloaded package installation has been confirmed by the user */ 7199 @Override 7200 public void installPackage( 7201 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7202 final String installerPackageName) { 7203 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 7204 null, null); 7205 } 7206 7207 @Override 7208 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7209 int flags, String installerPackageName, Uri verificationURI, 7210 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7211 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7212 VerificationParams.NO_UID, manifestDigest); 7213 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 7214 installerPackageName, verificationParams, encryptionParams); 7215 } 7216 7217 @Override 7218 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7219 IPackageInstallObserver observer, int flags, String installerPackageName, 7220 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7221 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7222 null); 7223 7224 final int uid = Binder.getCallingUid(); 7225 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7226 try { 7227 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7228 } catch (RemoteException re) { 7229 } 7230 return; 7231 } 7232 7233 UserHandle user; 7234 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7235 user = UserHandle.ALL; 7236 } else { 7237 user = new UserHandle(UserHandle.getUserId(uid)); 7238 } 7239 7240 final int filteredFlags; 7241 7242 if (uid == Process.SHELL_UID || uid == 0) { 7243 if (DEBUG_INSTALL) { 7244 Slog.v(TAG, "Install from ADB"); 7245 } 7246 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7247 } else { 7248 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7249 } 7250 7251 verificationParams.setInstallerUid(uid); 7252 7253 final Message msg = mHandler.obtainMessage(INIT_COPY); 7254 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 7255 verificationParams, encryptionParams, user); 7256 mHandler.sendMessage(msg); 7257 } 7258 7259 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7260 Bundle extras = new Bundle(1); 7261 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7262 7263 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7264 packageName, extras, null, null, new int[] {userId}); 7265 try { 7266 IActivityManager am = ActivityManagerNative.getDefault(); 7267 final boolean isSystem = 7268 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7269 if (isSystem && am.isUserRunning(userId, false)) { 7270 // The just-installed/enabled app is bundled on the system, so presumed 7271 // to be able to run automatically without needing an explicit launch. 7272 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7273 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7274 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7275 .setPackage(packageName); 7276 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7277 android.app.AppOpsManager.OP_NONE, false, false, userId); 7278 } 7279 } catch (RemoteException e) { 7280 // shouldn't happen 7281 Slog.w(TAG, "Unable to bootstrap installed package", e); 7282 } 7283 } 7284 7285 @Override 7286 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7287 int userId) { 7288 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7289 PackageSetting pkgSetting; 7290 final int uid = Binder.getCallingUid(); 7291 if (UserHandle.getUserId(uid) != userId) { 7292 mContext.enforceCallingOrSelfPermission( 7293 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7294 "setApplicationBlockedSetting for user " + userId); 7295 } 7296 7297 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7298 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7299 return false; 7300 } 7301 7302 long callingId = Binder.clearCallingIdentity(); 7303 try { 7304 boolean sendAdded = false; 7305 boolean sendRemoved = false; 7306 // writer 7307 synchronized (mPackages) { 7308 pkgSetting = mSettings.mPackages.get(packageName); 7309 if (pkgSetting == null) { 7310 return false; 7311 } 7312 if (pkgSetting.getBlocked(userId) != blocked) { 7313 pkgSetting.setBlocked(blocked, userId); 7314 mSettings.writePackageRestrictionsLPr(userId); 7315 if (blocked) { 7316 sendRemoved = true; 7317 } else { 7318 sendAdded = true; 7319 } 7320 } 7321 } 7322 if (sendAdded) { 7323 sendPackageAddedForUser(packageName, pkgSetting, userId); 7324 return true; 7325 } 7326 if (sendRemoved) { 7327 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7328 "blocking pkg"); 7329 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7330 } 7331 } finally { 7332 Binder.restoreCallingIdentity(callingId); 7333 } 7334 return false; 7335 } 7336 7337 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7338 int userId) { 7339 final PackageRemovedInfo info = new PackageRemovedInfo(); 7340 info.removedPackage = packageName; 7341 info.removedUsers = new int[] {userId}; 7342 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7343 info.sendBroadcast(false, false, false); 7344 } 7345 7346 /** 7347 * Returns true if application is not found or there was an error. Otherwise it returns 7348 * the blocked state of the package for the given user. 7349 */ 7350 @Override 7351 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7352 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7353 PackageSetting pkgSetting; 7354 final int uid = Binder.getCallingUid(); 7355 if (UserHandle.getUserId(uid) != userId) { 7356 mContext.enforceCallingPermission( 7357 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7358 "getApplicationBlocked for user " + userId); 7359 } 7360 long callingId = Binder.clearCallingIdentity(); 7361 try { 7362 // writer 7363 synchronized (mPackages) { 7364 pkgSetting = mSettings.mPackages.get(packageName); 7365 if (pkgSetting == null) { 7366 return true; 7367 } 7368 return pkgSetting.getBlocked(userId); 7369 } 7370 } finally { 7371 Binder.restoreCallingIdentity(callingId); 7372 } 7373 } 7374 7375 /** 7376 * @hide 7377 */ 7378 @Override 7379 public int installExistingPackageAsUser(String packageName, int userId) { 7380 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7381 null); 7382 PackageSetting pkgSetting; 7383 final int uid = Binder.getCallingUid(); 7384 if (UserHandle.getUserId(uid) != userId) { 7385 mContext.enforceCallingPermission( 7386 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7387 "installExistingPackage for user " + userId); 7388 } 7389 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7390 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7391 } 7392 7393 long callingId = Binder.clearCallingIdentity(); 7394 try { 7395 boolean sendAdded = false; 7396 Bundle extras = new Bundle(1); 7397 7398 // writer 7399 synchronized (mPackages) { 7400 pkgSetting = mSettings.mPackages.get(packageName); 7401 if (pkgSetting == null) { 7402 return PackageManager.INSTALL_FAILED_INVALID_URI; 7403 } 7404 if (!pkgSetting.getInstalled(userId)) { 7405 pkgSetting.setInstalled(true, userId); 7406 pkgSetting.setBlocked(false, userId); 7407 mSettings.writePackageRestrictionsLPr(userId); 7408 sendAdded = true; 7409 } 7410 } 7411 7412 if (sendAdded) { 7413 sendPackageAddedForUser(packageName, pkgSetting, userId); 7414 } 7415 } finally { 7416 Binder.restoreCallingIdentity(callingId); 7417 } 7418 7419 return PackageManager.INSTALL_SUCCEEDED; 7420 } 7421 7422 private boolean isUserRestricted(int userId, String restrictionKey) { 7423 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7424 if (restrictions.getBoolean(restrictionKey, false)) { 7425 Log.w(TAG, "User is restricted: " + restrictionKey); 7426 return true; 7427 } 7428 return false; 7429 } 7430 7431 @Override 7432 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7433 mContext.enforceCallingOrSelfPermission( 7434 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7435 "Only package verification agents can verify applications"); 7436 7437 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7438 final PackageVerificationResponse response = new PackageVerificationResponse( 7439 verificationCode, Binder.getCallingUid()); 7440 msg.arg1 = id; 7441 msg.obj = response; 7442 mHandler.sendMessage(msg); 7443 } 7444 7445 @Override 7446 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7447 long millisecondsToDelay) { 7448 mContext.enforceCallingOrSelfPermission( 7449 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7450 "Only package verification agents can extend verification timeouts"); 7451 7452 final PackageVerificationState state = mPendingVerification.get(id); 7453 final PackageVerificationResponse response = new PackageVerificationResponse( 7454 verificationCodeAtTimeout, Binder.getCallingUid()); 7455 7456 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7457 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7458 } 7459 if (millisecondsToDelay < 0) { 7460 millisecondsToDelay = 0; 7461 } 7462 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7463 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7464 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7465 } 7466 7467 if ((state != null) && !state.timeoutExtended()) { 7468 state.extendTimeout(); 7469 7470 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7471 msg.arg1 = id; 7472 msg.obj = response; 7473 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7474 } 7475 } 7476 7477 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7478 int verificationCode, UserHandle user) { 7479 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7480 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7481 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7482 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7483 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7484 7485 mContext.sendBroadcastAsUser(intent, user, 7486 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7487 } 7488 7489 private ComponentName matchComponentForVerifier(String packageName, 7490 List<ResolveInfo> receivers) { 7491 ActivityInfo targetReceiver = null; 7492 7493 final int NR = receivers.size(); 7494 for (int i = 0; i < NR; i++) { 7495 final ResolveInfo info = receivers.get(i); 7496 if (info.activityInfo == null) { 7497 continue; 7498 } 7499 7500 if (packageName.equals(info.activityInfo.packageName)) { 7501 targetReceiver = info.activityInfo; 7502 break; 7503 } 7504 } 7505 7506 if (targetReceiver == null) { 7507 return null; 7508 } 7509 7510 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7511 } 7512 7513 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7514 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7515 if (pkgInfo.verifiers.length == 0) { 7516 return null; 7517 } 7518 7519 final int N = pkgInfo.verifiers.length; 7520 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7521 for (int i = 0; i < N; i++) { 7522 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7523 7524 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7525 receivers); 7526 if (comp == null) { 7527 continue; 7528 } 7529 7530 final int verifierUid = getUidForVerifier(verifierInfo); 7531 if (verifierUid == -1) { 7532 continue; 7533 } 7534 7535 if (DEBUG_VERIFY) { 7536 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7537 + " with the correct signature"); 7538 } 7539 sufficientVerifiers.add(comp); 7540 verificationState.addSufficientVerifier(verifierUid); 7541 } 7542 7543 return sufficientVerifiers; 7544 } 7545 7546 private int getUidForVerifier(VerifierInfo verifierInfo) { 7547 synchronized (mPackages) { 7548 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7549 if (pkg == null) { 7550 return -1; 7551 } else if (pkg.mSignatures.length != 1) { 7552 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7553 + " has more than one signature; ignoring"); 7554 return -1; 7555 } 7556 7557 /* 7558 * If the public key of the package's signature does not match 7559 * our expected public key, then this is a different package and 7560 * we should skip. 7561 */ 7562 7563 final byte[] expectedPublicKey; 7564 try { 7565 final Signature verifierSig = pkg.mSignatures[0]; 7566 final PublicKey publicKey = verifierSig.getPublicKey(); 7567 expectedPublicKey = publicKey.getEncoded(); 7568 } catch (CertificateException e) { 7569 return -1; 7570 } 7571 7572 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7573 7574 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7575 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7576 + " does not have the expected public key; ignoring"); 7577 return -1; 7578 } 7579 7580 return pkg.applicationInfo.uid; 7581 } 7582 } 7583 7584 @Override 7585 public void finishPackageInstall(int token) { 7586 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7587 7588 if (DEBUG_INSTALL) { 7589 Slog.v(TAG, "BM finishing package install for " + token); 7590 } 7591 7592 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7593 mHandler.sendMessage(msg); 7594 } 7595 7596 /** 7597 * Get the verification agent timeout. 7598 * 7599 * @return verification timeout in milliseconds 7600 */ 7601 private long getVerificationTimeout() { 7602 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7603 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7604 DEFAULT_VERIFICATION_TIMEOUT); 7605 } 7606 7607 /** 7608 * Get the default verification agent response code. 7609 * 7610 * @return default verification response code 7611 */ 7612 private int getDefaultVerificationResponse() { 7613 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7614 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7615 DEFAULT_VERIFICATION_RESPONSE); 7616 } 7617 7618 /** 7619 * Check whether or not package verification has been enabled. 7620 * 7621 * @return true if verification should be performed 7622 */ 7623 private boolean isVerificationEnabled(int flags) { 7624 if (!DEFAULT_VERIFY_ENABLE) { 7625 return false; 7626 } 7627 7628 // Check if installing from ADB 7629 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7630 // Do not run verification in a test harness environment 7631 if (ActivityManager.isRunningInTestHarness()) { 7632 return false; 7633 } 7634 // Check if the developer does not want package verification for ADB installs 7635 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7636 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7637 return false; 7638 } 7639 } 7640 7641 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7642 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7643 } 7644 7645 /** 7646 * Get the "allow unknown sources" setting. 7647 * 7648 * @return the current "allow unknown sources" setting 7649 */ 7650 private int getUnknownSourcesSettings() { 7651 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7652 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7653 -1); 7654 } 7655 7656 @Override 7657 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7658 final int uid = Binder.getCallingUid(); 7659 // writer 7660 synchronized (mPackages) { 7661 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7662 if (targetPackageSetting == null) { 7663 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7664 } 7665 7666 PackageSetting installerPackageSetting; 7667 if (installerPackageName != null) { 7668 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7669 if (installerPackageSetting == null) { 7670 throw new IllegalArgumentException("Unknown installer package: " 7671 + installerPackageName); 7672 } 7673 } else { 7674 installerPackageSetting = null; 7675 } 7676 7677 Signature[] callerSignature; 7678 Object obj = mSettings.getUserIdLPr(uid); 7679 if (obj != null) { 7680 if (obj instanceof SharedUserSetting) { 7681 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7682 } else if (obj instanceof PackageSetting) { 7683 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7684 } else { 7685 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7686 } 7687 } else { 7688 throw new SecurityException("Unknown calling uid " + uid); 7689 } 7690 7691 // Verify: can't set installerPackageName to a package that is 7692 // not signed with the same cert as the caller. 7693 if (installerPackageSetting != null) { 7694 if (compareSignatures(callerSignature, 7695 installerPackageSetting.signatures.mSignatures) 7696 != PackageManager.SIGNATURE_MATCH) { 7697 throw new SecurityException( 7698 "Caller does not have same cert as new installer package " 7699 + installerPackageName); 7700 } 7701 } 7702 7703 // Verify: if target already has an installer package, it must 7704 // be signed with the same cert as the caller. 7705 if (targetPackageSetting.installerPackageName != null) { 7706 PackageSetting setting = mSettings.mPackages.get( 7707 targetPackageSetting.installerPackageName); 7708 // If the currently set package isn't valid, then it's always 7709 // okay to change it. 7710 if (setting != null) { 7711 if (compareSignatures(callerSignature, 7712 setting.signatures.mSignatures) 7713 != PackageManager.SIGNATURE_MATCH) { 7714 throw new SecurityException( 7715 "Caller does not have same cert as old installer package " 7716 + targetPackageSetting.installerPackageName); 7717 } 7718 } 7719 } 7720 7721 // Okay! 7722 targetPackageSetting.installerPackageName = installerPackageName; 7723 scheduleWriteSettingsLocked(); 7724 } 7725 } 7726 7727 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7728 // Queue up an async operation since the package installation may take a little while. 7729 mHandler.post(new Runnable() { 7730 public void run() { 7731 mHandler.removeCallbacks(this); 7732 // Result object to be returned 7733 PackageInstalledInfo res = new PackageInstalledInfo(); 7734 res.returnCode = currentStatus; 7735 res.uid = -1; 7736 res.pkg = null; 7737 res.removedInfo = new PackageRemovedInfo(); 7738 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7739 args.doPreInstall(res.returnCode); 7740 synchronized (mInstallLock) { 7741 installPackageLI(args, true, res); 7742 } 7743 args.doPostInstall(res.returnCode, res.uid); 7744 } 7745 7746 // A restore should be performed at this point if (a) the install 7747 // succeeded, (b) the operation is not an update, and (c) the new 7748 // package has a backupAgent defined. 7749 final boolean update = res.removedInfo.removedPackage != null; 7750 boolean doRestore = (!update 7751 && res.pkg != null 7752 && res.pkg.applicationInfo.backupAgentName != null); 7753 7754 // Set up the post-install work request bookkeeping. This will be used 7755 // and cleaned up by the post-install event handling regardless of whether 7756 // there's a restore pass performed. Token values are >= 1. 7757 int token; 7758 if (mNextInstallToken < 0) mNextInstallToken = 1; 7759 token = mNextInstallToken++; 7760 7761 PostInstallData data = new PostInstallData(args, res); 7762 mRunningInstalls.put(token, data); 7763 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7764 7765 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7766 // Pass responsibility to the Backup Manager. It will perform a 7767 // restore if appropriate, then pass responsibility back to the 7768 // Package Manager to run the post-install observer callbacks 7769 // and broadcasts. 7770 IBackupManager bm = IBackupManager.Stub.asInterface( 7771 ServiceManager.getService(Context.BACKUP_SERVICE)); 7772 if (bm != null) { 7773 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7774 + " to BM for possible restore"); 7775 try { 7776 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7777 } catch (RemoteException e) { 7778 // can't happen; the backup manager is local 7779 } catch (Exception e) { 7780 Slog.e(TAG, "Exception trying to enqueue restore", e); 7781 doRestore = false; 7782 } 7783 } else { 7784 Slog.e(TAG, "Backup Manager not found!"); 7785 doRestore = false; 7786 } 7787 } 7788 7789 if (!doRestore) { 7790 // No restore possible, or the Backup Manager was mysteriously not 7791 // available -- just fire the post-install work request directly. 7792 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7793 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7794 mHandler.sendMessage(msg); 7795 } 7796 } 7797 }); 7798 } 7799 7800 private abstract class HandlerParams { 7801 private static final int MAX_RETRIES = 4; 7802 7803 /** 7804 * Number of times startCopy() has been attempted and had a non-fatal 7805 * error. 7806 */ 7807 private int mRetries = 0; 7808 7809 /** User handle for the user requesting the information or installation. */ 7810 private final UserHandle mUser; 7811 7812 HandlerParams(UserHandle user) { 7813 mUser = user; 7814 } 7815 7816 UserHandle getUser() { 7817 return mUser; 7818 } 7819 7820 final boolean startCopy() { 7821 boolean res; 7822 try { 7823 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7824 7825 if (++mRetries > MAX_RETRIES) { 7826 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7827 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7828 handleServiceError(); 7829 return false; 7830 } else { 7831 handleStartCopy(); 7832 res = true; 7833 } 7834 } catch (RemoteException e) { 7835 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7836 mHandler.sendEmptyMessage(MCS_RECONNECT); 7837 res = false; 7838 } 7839 handleReturnCode(); 7840 return res; 7841 } 7842 7843 final void serviceError() { 7844 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7845 handleServiceError(); 7846 handleReturnCode(); 7847 } 7848 7849 abstract void handleStartCopy() throws RemoteException; 7850 abstract void handleServiceError(); 7851 abstract void handleReturnCode(); 7852 } 7853 7854 class MeasureParams extends HandlerParams { 7855 private final PackageStats mStats; 7856 private boolean mSuccess; 7857 7858 private final IPackageStatsObserver mObserver; 7859 7860 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7861 super(new UserHandle(stats.userHandle)); 7862 mObserver = observer; 7863 mStats = stats; 7864 } 7865 7866 @Override 7867 public String toString() { 7868 return "MeasureParams{" 7869 + Integer.toHexString(System.identityHashCode(this)) 7870 + " " + mStats.packageName + "}"; 7871 } 7872 7873 @Override 7874 void handleStartCopy() throws RemoteException { 7875 synchronized (mInstallLock) { 7876 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7877 } 7878 7879 final boolean mounted; 7880 if (Environment.isExternalStorageEmulated()) { 7881 mounted = true; 7882 } else { 7883 final String status = Environment.getExternalStorageState(); 7884 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7885 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7886 } 7887 7888 if (mounted) { 7889 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7890 7891 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7892 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7893 7894 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7895 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7896 7897 // Always subtract cache size, since it's a subdirectory 7898 mStats.externalDataSize -= mStats.externalCacheSize; 7899 7900 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7901 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7902 7903 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7904 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7905 } 7906 } 7907 7908 @Override 7909 void handleReturnCode() { 7910 if (mObserver != null) { 7911 try { 7912 mObserver.onGetStatsCompleted(mStats, mSuccess); 7913 } catch (RemoteException e) { 7914 Slog.i(TAG, "Observer no longer exists."); 7915 } 7916 } 7917 } 7918 7919 @Override 7920 void handleServiceError() { 7921 Slog.e(TAG, "Could not measure application " + mStats.packageName 7922 + " external storage"); 7923 } 7924 } 7925 7926 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7927 throws RemoteException { 7928 long result = 0; 7929 for (File path : paths) { 7930 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7931 } 7932 return result; 7933 } 7934 7935 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7936 for (File path : paths) { 7937 try { 7938 mcs.clearDirectory(path.getAbsolutePath()); 7939 } catch (RemoteException e) { 7940 } 7941 } 7942 } 7943 7944 class InstallParams extends HandlerParams { 7945 final IPackageInstallObserver observer; 7946 int flags; 7947 7948 private final Uri mPackageURI; 7949 final String installerPackageName; 7950 final VerificationParams verificationParams; 7951 private InstallArgs mArgs; 7952 private int mRet; 7953 private File mTempPackage; 7954 final ContainerEncryptionParams encryptionParams; 7955 7956 InstallParams(Uri packageURI, 7957 IPackageInstallObserver observer, int flags, 7958 String installerPackageName, VerificationParams verificationParams, 7959 ContainerEncryptionParams encryptionParams, UserHandle user) { 7960 super(user); 7961 this.mPackageURI = packageURI; 7962 this.flags = flags; 7963 this.observer = observer; 7964 this.installerPackageName = installerPackageName; 7965 this.verificationParams = verificationParams; 7966 this.encryptionParams = encryptionParams; 7967 } 7968 7969 @Override 7970 public String toString() { 7971 return "InstallParams{" 7972 + Integer.toHexString(System.identityHashCode(this)) 7973 + " " + mPackageURI + "}"; 7974 } 7975 7976 public ManifestDigest getManifestDigest() { 7977 if (verificationParams == null) { 7978 return null; 7979 } 7980 return verificationParams.getManifestDigest(); 7981 } 7982 7983 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7984 String packageName = pkgLite.packageName; 7985 int installLocation = pkgLite.installLocation; 7986 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7987 // reader 7988 synchronized (mPackages) { 7989 PackageParser.Package pkg = mPackages.get(packageName); 7990 if (pkg != null) { 7991 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7992 // Check for downgrading. 7993 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7994 if (pkgLite.versionCode < pkg.mVersionCode) { 7995 Slog.w(TAG, "Can't install update of " + packageName 7996 + " update version " + pkgLite.versionCode 7997 + " is older than installed version " 7998 + pkg.mVersionCode); 7999 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8000 } 8001 } 8002 // Check for updated system application. 8003 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8004 if (onSd) { 8005 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8006 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8007 } 8008 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8009 } else { 8010 if (onSd) { 8011 // Install flag overrides everything. 8012 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8013 } 8014 // If current upgrade specifies particular preference 8015 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8016 // Application explicitly specified internal. 8017 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8018 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8019 // App explictly prefers external. Let policy decide 8020 } else { 8021 // Prefer previous location 8022 if (isExternal(pkg)) { 8023 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8024 } 8025 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8026 } 8027 } 8028 } else { 8029 // Invalid install. Return error code 8030 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8031 } 8032 } 8033 } 8034 // All the special cases have been taken care of. 8035 // Return result based on recommended install location. 8036 if (onSd) { 8037 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8038 } 8039 return pkgLite.recommendedInstallLocation; 8040 } 8041 8042 private long getMemoryLowThreshold() { 8043 final DeviceStorageMonitorInternal 8044 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8045 if (dsm == null) { 8046 return 0L; 8047 } 8048 return dsm.getMemoryLowThreshold(); 8049 } 8050 8051 /* 8052 * Invoke remote method to get package information and install 8053 * location values. Override install location based on default 8054 * policy if needed and then create install arguments based 8055 * on the install location. 8056 */ 8057 public void handleStartCopy() throws RemoteException { 8058 int ret = PackageManager.INSTALL_SUCCEEDED; 8059 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8060 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8061 PackageInfoLite pkgLite = null; 8062 8063 if (onInt && onSd) { 8064 // Check if both bits are set. 8065 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8066 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8067 } else { 8068 final long lowThreshold = getMemoryLowThreshold(); 8069 if (lowThreshold == 0L) { 8070 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8071 } 8072 8073 try { 8074 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8075 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8076 8077 final File packageFile; 8078 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8079 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8080 if (mTempPackage != null) { 8081 ParcelFileDescriptor out; 8082 try { 8083 out = ParcelFileDescriptor.open(mTempPackage, 8084 ParcelFileDescriptor.MODE_READ_WRITE); 8085 } catch (FileNotFoundException e) { 8086 out = null; 8087 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8088 } 8089 8090 // Make a temporary file for decryption. 8091 ret = mContainerService 8092 .copyResource(mPackageURI, encryptionParams, out); 8093 IoUtils.closeQuietly(out); 8094 8095 packageFile = mTempPackage; 8096 8097 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8098 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8099 | FileUtils.S_IROTH, 8100 -1, -1); 8101 } else { 8102 packageFile = null; 8103 } 8104 } else { 8105 packageFile = new File(mPackageURI.getPath()); 8106 } 8107 8108 if (packageFile != null) { 8109 // Remote call to find out default install location 8110 final String packageFilePath = packageFile.getAbsolutePath(); 8111 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8112 lowThreshold); 8113 8114 /* 8115 * If we have too little free space, try to free cache 8116 * before giving up. 8117 */ 8118 if (pkgLite.recommendedInstallLocation 8119 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8120 final long size = mContainerService.calculateInstalledSize( 8121 packageFilePath, isForwardLocked()); 8122 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8123 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8124 flags, lowThreshold); 8125 } 8126 /* 8127 * The cache free must have deleted the file we 8128 * downloaded to install. 8129 * 8130 * TODO: fix the "freeCache" call to not delete 8131 * the file we care about. 8132 */ 8133 if (pkgLite.recommendedInstallLocation 8134 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8135 pkgLite.recommendedInstallLocation 8136 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8137 } 8138 } 8139 } 8140 } finally { 8141 mContext.revokeUriPermission(mPackageURI, 8142 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8143 } 8144 } 8145 8146 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8147 int loc = pkgLite.recommendedInstallLocation; 8148 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8149 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8150 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8151 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8152 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8153 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8154 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8155 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8156 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8157 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8158 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8159 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8160 } else { 8161 // Override with defaults if needed. 8162 loc = installLocationPolicy(pkgLite, flags); 8163 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8164 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8165 } else if (!onSd && !onInt) { 8166 // Override install location with flags 8167 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8168 // Set the flag to install on external media. 8169 flags |= PackageManager.INSTALL_EXTERNAL; 8170 flags &= ~PackageManager.INSTALL_INTERNAL; 8171 } else { 8172 // Make sure the flag for installing on external 8173 // media is unset 8174 flags |= PackageManager.INSTALL_INTERNAL; 8175 flags &= ~PackageManager.INSTALL_EXTERNAL; 8176 } 8177 } 8178 } 8179 } 8180 8181 final InstallArgs args = createInstallArgs(this); 8182 mArgs = args; 8183 8184 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8185 /* 8186 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8187 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8188 */ 8189 int userIdentifier = getUser().getIdentifier(); 8190 if (userIdentifier == UserHandle.USER_ALL 8191 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8192 userIdentifier = UserHandle.USER_OWNER; 8193 } 8194 8195 /* 8196 * Determine if we have any installed package verifiers. If we 8197 * do, then we'll defer to them to verify the packages. 8198 */ 8199 final int requiredUid = mRequiredVerifierPackage == null ? -1 8200 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8201 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8202 final Intent verification = new Intent( 8203 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8204 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8205 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8206 8207 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8208 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8209 0 /* TODO: Which userId? */); 8210 8211 if (DEBUG_VERIFY) { 8212 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8213 + verification.toString() + " with " + pkgLite.verifiers.length 8214 + " optional verifiers"); 8215 } 8216 8217 final int verificationId = mPendingVerificationToken++; 8218 8219 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8220 8221 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8222 installerPackageName); 8223 8224 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8225 8226 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8227 pkgLite.packageName); 8228 8229 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8230 pkgLite.versionCode); 8231 8232 if (verificationParams != null) { 8233 if (verificationParams.getVerificationURI() != null) { 8234 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8235 verificationParams.getVerificationURI()); 8236 } 8237 if (verificationParams.getOriginatingURI() != null) { 8238 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8239 verificationParams.getOriginatingURI()); 8240 } 8241 if (verificationParams.getReferrer() != null) { 8242 verification.putExtra(Intent.EXTRA_REFERRER, 8243 verificationParams.getReferrer()); 8244 } 8245 if (verificationParams.getOriginatingUid() >= 0) { 8246 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8247 verificationParams.getOriginatingUid()); 8248 } 8249 if (verificationParams.getInstallerUid() >= 0) { 8250 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8251 verificationParams.getInstallerUid()); 8252 } 8253 } 8254 8255 final PackageVerificationState verificationState = new PackageVerificationState( 8256 requiredUid, args); 8257 8258 mPendingVerification.append(verificationId, verificationState); 8259 8260 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8261 receivers, verificationState); 8262 8263 /* 8264 * If any sufficient verifiers were listed in the package 8265 * manifest, attempt to ask them. 8266 */ 8267 if (sufficientVerifiers != null) { 8268 final int N = sufficientVerifiers.size(); 8269 if (N == 0) { 8270 Slog.i(TAG, "Additional verifiers required, but none installed."); 8271 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8272 } else { 8273 for (int i = 0; i < N; i++) { 8274 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8275 8276 final Intent sufficientIntent = new Intent(verification); 8277 sufficientIntent.setComponent(verifierComponent); 8278 8279 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8280 } 8281 } 8282 } 8283 8284 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8285 mRequiredVerifierPackage, receivers); 8286 if (ret == PackageManager.INSTALL_SUCCEEDED 8287 && mRequiredVerifierPackage != null) { 8288 /* 8289 * Send the intent to the required verification agent, 8290 * but only start the verification timeout after the 8291 * target BroadcastReceivers have run. 8292 */ 8293 verification.setComponent(requiredVerifierComponent); 8294 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8295 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8296 new BroadcastReceiver() { 8297 @Override 8298 public void onReceive(Context context, Intent intent) { 8299 final Message msg = mHandler 8300 .obtainMessage(CHECK_PENDING_VERIFICATION); 8301 msg.arg1 = verificationId; 8302 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8303 } 8304 }, null, 0, null, null); 8305 8306 /* 8307 * We don't want the copy to proceed until verification 8308 * succeeds, so null out this field. 8309 */ 8310 mArgs = null; 8311 } 8312 } else { 8313 /* 8314 * No package verification is enabled, so immediately start 8315 * the remote call to initiate copy using temporary file. 8316 */ 8317 ret = args.copyApk(mContainerService, true); 8318 } 8319 } 8320 8321 mRet = ret; 8322 } 8323 8324 @Override 8325 void handleReturnCode() { 8326 // If mArgs is null, then MCS couldn't be reached. When it 8327 // reconnects, it will try again to install. At that point, this 8328 // will succeed. 8329 if (mArgs != null) { 8330 processPendingInstall(mArgs, mRet); 8331 8332 if (mTempPackage != null) { 8333 if (!mTempPackage.delete()) { 8334 Slog.w(TAG, "Couldn't delete temporary file: " + 8335 mTempPackage.getAbsolutePath()); 8336 } 8337 } 8338 } 8339 } 8340 8341 @Override 8342 void handleServiceError() { 8343 mArgs = createInstallArgs(this); 8344 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8345 } 8346 8347 public boolean isForwardLocked() { 8348 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8349 } 8350 8351 public Uri getPackageUri() { 8352 if (mTempPackage != null) { 8353 return Uri.fromFile(mTempPackage); 8354 } else { 8355 return mPackageURI; 8356 } 8357 } 8358 } 8359 8360 /* 8361 * Utility class used in movePackage api. 8362 * srcArgs and targetArgs are not set for invalid flags and make 8363 * sure to do null checks when invoking methods on them. 8364 * We probably want to return ErrorPrams for both failed installs 8365 * and moves. 8366 */ 8367 class MoveParams extends HandlerParams { 8368 final IPackageMoveObserver observer; 8369 final int flags; 8370 final String packageName; 8371 final InstallArgs srcArgs; 8372 final InstallArgs targetArgs; 8373 int uid; 8374 int mRet; 8375 8376 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8377 String packageName, String dataDir, String instructionSet, 8378 int uid, UserHandle user) { 8379 super(user); 8380 this.srcArgs = srcArgs; 8381 this.observer = observer; 8382 this.flags = flags; 8383 this.packageName = packageName; 8384 this.uid = uid; 8385 if (srcArgs != null) { 8386 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8387 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8388 } else { 8389 targetArgs = null; 8390 } 8391 } 8392 8393 @Override 8394 public String toString() { 8395 return "MoveParams{" 8396 + Integer.toHexString(System.identityHashCode(this)) 8397 + " " + packageName + "}"; 8398 } 8399 8400 public void handleStartCopy() throws RemoteException { 8401 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8402 // Check for storage space on target medium 8403 if (!targetArgs.checkFreeStorage(mContainerService)) { 8404 Log.w(TAG, "Insufficient storage to install"); 8405 return; 8406 } 8407 8408 mRet = srcArgs.doPreCopy(); 8409 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8410 return; 8411 } 8412 8413 mRet = targetArgs.copyApk(mContainerService, false); 8414 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8415 srcArgs.doPostCopy(uid); 8416 return; 8417 } 8418 8419 mRet = srcArgs.doPostCopy(uid); 8420 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8421 return; 8422 } 8423 8424 mRet = targetArgs.doPreInstall(mRet); 8425 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8426 return; 8427 } 8428 8429 if (DEBUG_SD_INSTALL) { 8430 StringBuilder builder = new StringBuilder(); 8431 if (srcArgs != null) { 8432 builder.append("src: "); 8433 builder.append(srcArgs.getCodePath()); 8434 } 8435 if (targetArgs != null) { 8436 builder.append(" target : "); 8437 builder.append(targetArgs.getCodePath()); 8438 } 8439 Log.i(TAG, builder.toString()); 8440 } 8441 } 8442 8443 @Override 8444 void handleReturnCode() { 8445 targetArgs.doPostInstall(mRet, uid); 8446 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8447 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8448 currentStatus = PackageManager.MOVE_SUCCEEDED; 8449 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8450 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8451 } 8452 processPendingMove(this, currentStatus); 8453 } 8454 8455 @Override 8456 void handleServiceError() { 8457 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8458 } 8459 } 8460 8461 /** 8462 * Used during creation of InstallArgs 8463 * 8464 * @param flags package installation flags 8465 * @return true if should be installed on external storage 8466 */ 8467 private static boolean installOnSd(int flags) { 8468 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8469 return false; 8470 } 8471 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8472 return true; 8473 } 8474 return false; 8475 } 8476 8477 /** 8478 * Used during creation of InstallArgs 8479 * 8480 * @param flags package installation flags 8481 * @return true if should be installed as forward locked 8482 */ 8483 private static boolean installForwardLocked(int flags) { 8484 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8485 } 8486 8487 private InstallArgs createInstallArgs(InstallParams params) { 8488 if (installOnSd(params.flags) || params.isForwardLocked()) { 8489 return new AsecInstallArgs(params); 8490 } else { 8491 return new FileInstallArgs(params); 8492 } 8493 } 8494 8495 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8496 String nativeLibraryPath, String instructionSet) { 8497 final boolean isInAsec; 8498 if (installOnSd(flags)) { 8499 /* Apps on SD card are always in ASEC containers. */ 8500 isInAsec = true; 8501 } else if (installForwardLocked(flags) 8502 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8503 /* 8504 * Forward-locked apps are only in ASEC containers if they're the 8505 * new style 8506 */ 8507 isInAsec = true; 8508 } else { 8509 isInAsec = false; 8510 } 8511 8512 if (isInAsec) { 8513 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8514 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8515 } else { 8516 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8517 instructionSet); 8518 } 8519 } 8520 8521 // Used by package mover 8522 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8523 String instructionSet) { 8524 if (installOnSd(flags) || installForwardLocked(flags)) { 8525 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8526 + AsecInstallArgs.RES_FILE_NAME); 8527 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8528 installForwardLocked(flags)); 8529 } else { 8530 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8531 } 8532 } 8533 8534 static abstract class InstallArgs { 8535 final IPackageInstallObserver observer; 8536 // Always refers to PackageManager flags only 8537 final int flags; 8538 final Uri packageURI; 8539 final String installerPackageName; 8540 final ManifestDigest manifestDigest; 8541 final UserHandle user; 8542 final String instructionSet; 8543 8544 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8545 String installerPackageName, ManifestDigest manifestDigest, 8546 UserHandle user, String instructionSet) { 8547 this.packageURI = packageURI; 8548 this.flags = flags; 8549 this.observer = observer; 8550 this.installerPackageName = installerPackageName; 8551 this.manifestDigest = manifestDigest; 8552 this.user = user; 8553 this.instructionSet = instructionSet; 8554 } 8555 8556 abstract void createCopyFile(); 8557 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8558 abstract int doPreInstall(int status); 8559 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8560 8561 abstract int doPostInstall(int status, int uid); 8562 abstract String getCodePath(); 8563 abstract String getResourcePath(); 8564 abstract String getNativeLibraryPath(); 8565 // Need installer lock especially for dex file removal. 8566 abstract void cleanUpResourcesLI(); 8567 abstract boolean doPostDeleteLI(boolean delete); 8568 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8569 8570 /** 8571 * Called before the source arguments are copied. This is used mostly 8572 * for MoveParams when it needs to read the source file to put it in the 8573 * destination. 8574 */ 8575 int doPreCopy() { 8576 return PackageManager.INSTALL_SUCCEEDED; 8577 } 8578 8579 /** 8580 * Called after the source arguments are copied. This is used mostly for 8581 * MoveParams when it needs to read the source file to put it in the 8582 * destination. 8583 * 8584 * @return 8585 */ 8586 int doPostCopy(int uid) { 8587 return PackageManager.INSTALL_SUCCEEDED; 8588 } 8589 8590 protected boolean isFwdLocked() { 8591 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8592 } 8593 8594 UserHandle getUser() { 8595 return user; 8596 } 8597 } 8598 8599 class FileInstallArgs extends InstallArgs { 8600 File installDir; 8601 String codeFileName; 8602 String resourceFileName; 8603 String libraryPath; 8604 boolean created = false; 8605 8606 FileInstallArgs(InstallParams params) { 8607 super(params.getPackageUri(), params.observer, params.flags, 8608 params.installerPackageName, params.getManifestDigest(), 8609 params.getUser(), null /* instruction set */); 8610 } 8611 8612 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8613 String instructionSet) { 8614 super(null, null, 0, null, null, null, instructionSet); 8615 File codeFile = new File(fullCodePath); 8616 installDir = codeFile.getParentFile(); 8617 codeFileName = fullCodePath; 8618 resourceFileName = fullResourcePath; 8619 libraryPath = nativeLibraryPath; 8620 } 8621 8622 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8623 super(packageURI, null, 0, null, null, null, instructionSet); 8624 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8625 String apkName = getNextCodePath(null, pkgName, ".apk"); 8626 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8627 resourceFileName = getResourcePathFromCodePath(); 8628 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8629 } 8630 8631 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8632 final long lowThreshold; 8633 8634 final DeviceStorageMonitorInternal 8635 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8636 if (dsm == null) { 8637 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8638 lowThreshold = 0L; 8639 } else { 8640 if (dsm.isMemoryLow()) { 8641 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8642 return false; 8643 } 8644 8645 lowThreshold = dsm.getMemoryLowThreshold(); 8646 } 8647 8648 try { 8649 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8650 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8651 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8652 } finally { 8653 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8654 } 8655 } 8656 8657 String getCodePath() { 8658 return codeFileName; 8659 } 8660 8661 void createCopyFile() { 8662 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8663 codeFileName = createTempPackageFile(installDir).getPath(); 8664 resourceFileName = getResourcePathFromCodePath(); 8665 libraryPath = getLibraryPathFromCodePath(); 8666 created = true; 8667 } 8668 8669 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8670 if (temp) { 8671 // Generate temp file name 8672 createCopyFile(); 8673 } 8674 // Get a ParcelFileDescriptor to write to the output file 8675 File codeFile = new File(codeFileName); 8676 if (!created) { 8677 try { 8678 codeFile.createNewFile(); 8679 // Set permissions 8680 if (!setPermissions()) { 8681 // Failed setting permissions. 8682 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8683 } 8684 } catch (IOException e) { 8685 Slog.w(TAG, "Failed to create file " + codeFile); 8686 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8687 } 8688 } 8689 ParcelFileDescriptor out = null; 8690 try { 8691 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8692 } catch (FileNotFoundException e) { 8693 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8694 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8695 } 8696 // Copy the resource now 8697 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8698 try { 8699 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8700 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8701 ret = imcs.copyResource(packageURI, null, out); 8702 } finally { 8703 IoUtils.closeQuietly(out); 8704 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8705 } 8706 8707 if (isFwdLocked()) { 8708 final File destResourceFile = new File(getResourcePath()); 8709 8710 // Copy the public files 8711 try { 8712 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8713 } catch (IOException e) { 8714 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8715 + " forward-locked app."); 8716 destResourceFile.delete(); 8717 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8718 } 8719 } 8720 8721 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8722 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8723 if (nativeLibraryFile.exists()) { 8724 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8725 nativeLibraryFile.delete(); 8726 } 8727 try { 8728 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8729 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8730 return copyRet; 8731 } 8732 } catch (IOException e) { 8733 Slog.e(TAG, "Copying native libraries failed", e); 8734 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8735 } 8736 8737 return ret; 8738 } 8739 8740 int doPreInstall(int status) { 8741 if (status != PackageManager.INSTALL_SUCCEEDED) { 8742 cleanUp(); 8743 } 8744 return status; 8745 } 8746 8747 boolean doRename(int status, final String pkgName, String oldCodePath) { 8748 if (status != PackageManager.INSTALL_SUCCEEDED) { 8749 cleanUp(); 8750 return false; 8751 } else { 8752 final File oldCodeFile = new File(getCodePath()); 8753 final File oldResourceFile = new File(getResourcePath()); 8754 final File oldLibraryFile = new File(getNativeLibraryPath()); 8755 8756 // Rename APK file based on packageName 8757 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8758 final File newCodeFile = new File(installDir, apkName + ".apk"); 8759 if (!oldCodeFile.renameTo(newCodeFile)) { 8760 return false; 8761 } 8762 codeFileName = newCodeFile.getPath(); 8763 8764 // Rename public resource file if it's forward-locked. 8765 final File newResFile = new File(getResourcePathFromCodePath()); 8766 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8767 return false; 8768 } 8769 resourceFileName = newResFile.getPath(); 8770 8771 // Rename library path 8772 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8773 if (newLibraryFile.exists()) { 8774 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8775 newLibraryFile.delete(); 8776 } 8777 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8778 Slog.e(TAG, "Cannot rename native library directory " 8779 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8780 return false; 8781 } 8782 libraryPath = newLibraryFile.getPath(); 8783 8784 // Attempt to set permissions 8785 if (!setPermissions()) { 8786 return false; 8787 } 8788 8789 if (!SELinux.restorecon(newCodeFile)) { 8790 return false; 8791 } 8792 8793 return true; 8794 } 8795 } 8796 8797 int doPostInstall(int status, int uid) { 8798 if (status != PackageManager.INSTALL_SUCCEEDED) { 8799 cleanUp(); 8800 } 8801 return status; 8802 } 8803 8804 String getResourcePath() { 8805 return resourceFileName; 8806 } 8807 8808 private String getResourcePathFromCodePath() { 8809 final String codePath = getCodePath(); 8810 if (isFwdLocked()) { 8811 final StringBuilder sb = new StringBuilder(); 8812 8813 sb.append(mAppInstallDir.getPath()); 8814 sb.append('/'); 8815 sb.append(getApkName(codePath)); 8816 sb.append(".zip"); 8817 8818 /* 8819 * If our APK is a temporary file, mark the resource as a 8820 * temporary file as well so it can be cleaned up after 8821 * catastrophic failure. 8822 */ 8823 if (codePath.endsWith(".tmp")) { 8824 sb.append(".tmp"); 8825 } 8826 8827 return sb.toString(); 8828 } else { 8829 return codePath; 8830 } 8831 } 8832 8833 private String getLibraryPathFromCodePath() { 8834 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8835 } 8836 8837 @Override 8838 String getNativeLibraryPath() { 8839 if (libraryPath == null) { 8840 libraryPath = getLibraryPathFromCodePath(); 8841 } 8842 return libraryPath; 8843 } 8844 8845 private boolean cleanUp() { 8846 boolean ret = true; 8847 String sourceDir = getCodePath(); 8848 String publicSourceDir = getResourcePath(); 8849 if (sourceDir != null) { 8850 File sourceFile = new File(sourceDir); 8851 if (!sourceFile.exists()) { 8852 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8853 ret = false; 8854 } 8855 // Delete application's code and resources 8856 sourceFile.delete(); 8857 } 8858 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8859 final File publicSourceFile = new File(publicSourceDir); 8860 if (!publicSourceFile.exists()) { 8861 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8862 } 8863 if (publicSourceFile.exists()) { 8864 publicSourceFile.delete(); 8865 } 8866 } 8867 8868 if (libraryPath != null) { 8869 File nativeLibraryFile = new File(libraryPath); 8870 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8871 if (!nativeLibraryFile.delete()) { 8872 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8873 } 8874 } 8875 8876 return ret; 8877 } 8878 8879 void cleanUpResourcesLI() { 8880 String sourceDir = getCodePath(); 8881 if (cleanUp()) { 8882 if (instructionSet == null) { 8883 throw new IllegalStateException("instructionSet == null"); 8884 } 8885 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 8886 if (retCode < 0) { 8887 Slog.w(TAG, "Couldn't remove dex file for package: " 8888 + " at location " 8889 + sourceDir + ", retcode=" + retCode); 8890 // we don't consider this to be a failure of the core package deletion 8891 } 8892 } 8893 } 8894 8895 private boolean setPermissions() { 8896 // TODO Do this in a more elegant way later on. for now just a hack 8897 if (!isFwdLocked()) { 8898 final int filePermissions = 8899 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8900 |FileUtils.S_IROTH; 8901 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8902 if (retCode != 0) { 8903 Slog.e(TAG, "Couldn't set new package file permissions for " + 8904 getCodePath() 8905 + ". The return code was: " + retCode); 8906 // TODO Define new internal error 8907 return false; 8908 } 8909 return true; 8910 } 8911 return true; 8912 } 8913 8914 boolean doPostDeleteLI(boolean delete) { 8915 // XXX err, shouldn't we respect the delete flag? 8916 cleanUpResourcesLI(); 8917 return true; 8918 } 8919 } 8920 8921 private boolean isAsecExternal(String cid) { 8922 final String asecPath = PackageHelper.getSdFilesystem(cid); 8923 return !asecPath.startsWith(mAsecInternalPath); 8924 } 8925 8926 /** 8927 * Extract the MountService "container ID" from the full code path of an 8928 * .apk. 8929 */ 8930 static String cidFromCodePath(String fullCodePath) { 8931 int eidx = fullCodePath.lastIndexOf("/"); 8932 String subStr1 = fullCodePath.substring(0, eidx); 8933 int sidx = subStr1.lastIndexOf("/"); 8934 return subStr1.substring(sidx+1, eidx); 8935 } 8936 8937 class AsecInstallArgs extends InstallArgs { 8938 static final String RES_FILE_NAME = "pkg.apk"; 8939 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8940 8941 String cid; 8942 String packagePath; 8943 String resourcePath; 8944 String libraryPath; 8945 8946 AsecInstallArgs(InstallParams params) { 8947 super(params.getPackageUri(), params.observer, params.flags, 8948 params.installerPackageName, params.getManifestDigest(), 8949 params.getUser(), null /* instruction set */); 8950 } 8951 8952 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8953 String instructionSet, boolean isExternal, boolean isForwardLocked) { 8954 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8955 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8956 null, null, null, instructionSet); 8957 // Extract cid from fullCodePath 8958 int eidx = fullCodePath.lastIndexOf("/"); 8959 String subStr1 = fullCodePath.substring(0, eidx); 8960 int sidx = subStr1.lastIndexOf("/"); 8961 cid = subStr1.substring(sidx+1, eidx); 8962 setCachePath(subStr1); 8963 } 8964 8965 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 8966 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8967 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8968 null, null, null, instructionSet); 8969 this.cid = cid; 8970 setCachePath(PackageHelper.getSdDir(cid)); 8971 } 8972 8973 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 8974 boolean isExternal, boolean isForwardLocked) { 8975 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8976 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8977 null, null, null, instructionSet); 8978 this.cid = cid; 8979 } 8980 8981 void createCopyFile() { 8982 cid = getTempContainerId(); 8983 } 8984 8985 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8986 try { 8987 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8988 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8989 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8990 } finally { 8991 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8992 } 8993 } 8994 8995 private final boolean isExternal() { 8996 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8997 } 8998 8999 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9000 if (temp) { 9001 createCopyFile(); 9002 } else { 9003 /* 9004 * Pre-emptively destroy the container since it's destroyed if 9005 * copying fails due to it existing anyway. 9006 */ 9007 PackageHelper.destroySdDir(cid); 9008 } 9009 9010 final String newCachePath; 9011 try { 9012 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9013 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9014 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9015 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 9016 } finally { 9017 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9018 } 9019 9020 if (newCachePath != null) { 9021 setCachePath(newCachePath); 9022 return PackageManager.INSTALL_SUCCEEDED; 9023 } else { 9024 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9025 } 9026 } 9027 9028 @Override 9029 String getCodePath() { 9030 return packagePath; 9031 } 9032 9033 @Override 9034 String getResourcePath() { 9035 return resourcePath; 9036 } 9037 9038 @Override 9039 String getNativeLibraryPath() { 9040 return libraryPath; 9041 } 9042 9043 int doPreInstall(int status) { 9044 if (status != PackageManager.INSTALL_SUCCEEDED) { 9045 // Destroy container 9046 PackageHelper.destroySdDir(cid); 9047 } else { 9048 boolean mounted = PackageHelper.isContainerMounted(cid); 9049 if (!mounted) { 9050 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9051 Process.SYSTEM_UID); 9052 if (newCachePath != null) { 9053 setCachePath(newCachePath); 9054 } else { 9055 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9056 } 9057 } 9058 } 9059 return status; 9060 } 9061 9062 boolean doRename(int status, final String pkgName, 9063 String oldCodePath) { 9064 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9065 String newCachePath = null; 9066 if (PackageHelper.isContainerMounted(cid)) { 9067 // Unmount the container 9068 if (!PackageHelper.unMountSdDir(cid)) { 9069 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9070 return false; 9071 } 9072 } 9073 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9074 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9075 " which might be stale. Will try to clean up."); 9076 // Clean up the stale container and proceed to recreate. 9077 if (!PackageHelper.destroySdDir(newCacheId)) { 9078 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9079 return false; 9080 } 9081 // Successfully cleaned up stale container. Try to rename again. 9082 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9083 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9084 + " inspite of cleaning it up."); 9085 return false; 9086 } 9087 } 9088 if (!PackageHelper.isContainerMounted(newCacheId)) { 9089 Slog.w(TAG, "Mounting container " + newCacheId); 9090 newCachePath = PackageHelper.mountSdDir(newCacheId, 9091 getEncryptKey(), Process.SYSTEM_UID); 9092 } else { 9093 newCachePath = PackageHelper.getSdDir(newCacheId); 9094 } 9095 if (newCachePath == null) { 9096 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9097 return false; 9098 } 9099 Log.i(TAG, "Succesfully renamed " + cid + 9100 " to " + newCacheId + 9101 " at new path: " + newCachePath); 9102 cid = newCacheId; 9103 setCachePath(newCachePath); 9104 return true; 9105 } 9106 9107 private void setCachePath(String newCachePath) { 9108 File cachePath = new File(newCachePath); 9109 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9110 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9111 9112 if (isFwdLocked()) { 9113 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9114 } else { 9115 resourcePath = packagePath; 9116 } 9117 } 9118 9119 int doPostInstall(int status, int uid) { 9120 if (status != PackageManager.INSTALL_SUCCEEDED) { 9121 cleanUp(); 9122 } else { 9123 final int groupOwner; 9124 final String protectedFile; 9125 if (isFwdLocked()) { 9126 groupOwner = UserHandle.getSharedAppGid(uid); 9127 protectedFile = RES_FILE_NAME; 9128 } else { 9129 groupOwner = -1; 9130 protectedFile = null; 9131 } 9132 9133 if (uid < Process.FIRST_APPLICATION_UID 9134 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9135 Slog.e(TAG, "Failed to finalize " + cid); 9136 PackageHelper.destroySdDir(cid); 9137 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9138 } 9139 9140 boolean mounted = PackageHelper.isContainerMounted(cid); 9141 if (!mounted) { 9142 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9143 } 9144 } 9145 return status; 9146 } 9147 9148 private void cleanUp() { 9149 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9150 9151 // Destroy secure container 9152 PackageHelper.destroySdDir(cid); 9153 } 9154 9155 void cleanUpResourcesLI() { 9156 String sourceFile = getCodePath(); 9157 // Remove dex file 9158 if (instructionSet == null) { 9159 throw new IllegalStateException("instructionSet == null"); 9160 } 9161 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9162 if (retCode < 0) { 9163 Slog.w(TAG, "Couldn't remove dex file for package: " 9164 + " at location " 9165 + sourceFile.toString() + ", retcode=" + retCode); 9166 // we don't consider this to be a failure of the core package deletion 9167 } 9168 cleanUp(); 9169 } 9170 9171 boolean matchContainer(String app) { 9172 if (cid.startsWith(app)) { 9173 return true; 9174 } 9175 return false; 9176 } 9177 9178 String getPackageName() { 9179 return getAsecPackageName(cid); 9180 } 9181 9182 boolean doPostDeleteLI(boolean delete) { 9183 boolean ret = false; 9184 boolean mounted = PackageHelper.isContainerMounted(cid); 9185 if (mounted) { 9186 // Unmount first 9187 ret = PackageHelper.unMountSdDir(cid); 9188 } 9189 if (ret && delete) { 9190 cleanUpResourcesLI(); 9191 } 9192 return ret; 9193 } 9194 9195 @Override 9196 int doPreCopy() { 9197 if (isFwdLocked()) { 9198 if (!PackageHelper.fixSdPermissions(cid, 9199 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9200 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9201 } 9202 } 9203 9204 return PackageManager.INSTALL_SUCCEEDED; 9205 } 9206 9207 @Override 9208 int doPostCopy(int uid) { 9209 if (isFwdLocked()) { 9210 if (uid < Process.FIRST_APPLICATION_UID 9211 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9212 RES_FILE_NAME)) { 9213 Slog.e(TAG, "Failed to finalize " + cid); 9214 PackageHelper.destroySdDir(cid); 9215 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9216 } 9217 } 9218 9219 return PackageManager.INSTALL_SUCCEEDED; 9220 } 9221 }; 9222 9223 static String getAsecPackageName(String packageCid) { 9224 int idx = packageCid.lastIndexOf("-"); 9225 if (idx == -1) { 9226 return packageCid; 9227 } 9228 return packageCid.substring(0, idx); 9229 } 9230 9231 // Utility method used to create code paths based on package name and available index. 9232 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9233 String idxStr = ""; 9234 int idx = 1; 9235 // Fall back to default value of idx=1 if prefix is not 9236 // part of oldCodePath 9237 if (oldCodePath != null) { 9238 String subStr = oldCodePath; 9239 // Drop the suffix right away 9240 if (subStr.endsWith(suffix)) { 9241 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9242 } 9243 // If oldCodePath already contains prefix find out the 9244 // ending index to either increment or decrement. 9245 int sidx = subStr.lastIndexOf(prefix); 9246 if (sidx != -1) { 9247 subStr = subStr.substring(sidx + prefix.length()); 9248 if (subStr != null) { 9249 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9250 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9251 } 9252 try { 9253 idx = Integer.parseInt(subStr); 9254 if (idx <= 1) { 9255 idx++; 9256 } else { 9257 idx--; 9258 } 9259 } catch(NumberFormatException e) { 9260 } 9261 } 9262 } 9263 } 9264 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9265 return prefix + idxStr; 9266 } 9267 9268 // Utility method used to ignore ADD/REMOVE events 9269 // by directory observer. 9270 private static boolean ignoreCodePath(String fullPathStr) { 9271 String apkName = getApkName(fullPathStr); 9272 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9273 if (idx != -1 && ((idx+1) < apkName.length())) { 9274 // Make sure the package ends with a numeral 9275 String version = apkName.substring(idx+1); 9276 try { 9277 Integer.parseInt(version); 9278 return true; 9279 } catch (NumberFormatException e) {} 9280 } 9281 return false; 9282 } 9283 9284 // Utility method that returns the relative package path with respect 9285 // to the installation directory. Like say for /data/data/com.test-1.apk 9286 // string com.test-1 is returned. 9287 static String getApkName(String codePath) { 9288 if (codePath == null) { 9289 return null; 9290 } 9291 int sidx = codePath.lastIndexOf("/"); 9292 int eidx = codePath.lastIndexOf("."); 9293 if (eidx == -1) { 9294 eidx = codePath.length(); 9295 } else if (eidx == 0) { 9296 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9297 return null; 9298 } 9299 return codePath.substring(sidx+1, eidx); 9300 } 9301 9302 class PackageInstalledInfo { 9303 String name; 9304 int uid; 9305 // The set of users that originally had this package installed. 9306 int[] origUsers; 9307 // The set of users that now have this package installed. 9308 int[] newUsers; 9309 PackageParser.Package pkg; 9310 int returnCode; 9311 PackageRemovedInfo removedInfo; 9312 } 9313 9314 /* 9315 * Install a non-existing package. 9316 */ 9317 private void installNewPackageLI(PackageParser.Package pkg, 9318 int parseFlags, int scanMode, UserHandle user, 9319 String installerPackageName, PackageInstalledInfo res) { 9320 // Remember this for later, in case we need to rollback this install 9321 String pkgName = pkg.packageName; 9322 9323 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9324 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9325 synchronized(mPackages) { 9326 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9327 // A package with the same name is already installed, though 9328 // it has been renamed to an older name. The package we 9329 // are trying to install should be installed as an update to 9330 // the existing one, but that has not been requested, so bail. 9331 Slog.w(TAG, "Attempt to re-install " + pkgName 9332 + " without first uninstalling package running as " 9333 + mSettings.mRenamedPackages.get(pkgName)); 9334 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9335 return; 9336 } 9337 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9338 // Don't allow installation over an existing package with the same name. 9339 Slog.w(TAG, "Attempt to re-install " + pkgName 9340 + " without first uninstalling."); 9341 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9342 return; 9343 } 9344 } 9345 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9346 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9347 System.currentTimeMillis(), user); 9348 if (newPackage == null) { 9349 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9350 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9351 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9352 } 9353 } else { 9354 updateSettingsLI(newPackage, 9355 installerPackageName, 9356 null, null, 9357 res); 9358 // delete the partially installed application. the data directory will have to be 9359 // restored if it was already existing 9360 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9361 // remove package from internal structures. Note that we want deletePackageX to 9362 // delete the package data and cache directories that it created in 9363 // scanPackageLocked, unless those directories existed before we even tried to 9364 // install. 9365 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9366 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9367 res.removedInfo, true); 9368 } 9369 } 9370 } 9371 9372 private void replacePackageLI(PackageParser.Package pkg, 9373 int parseFlags, int scanMode, UserHandle user, 9374 String installerPackageName, PackageInstalledInfo res) { 9375 9376 PackageParser.Package oldPackage; 9377 String pkgName = pkg.packageName; 9378 int[] allUsers; 9379 boolean[] perUserInstalled; 9380 9381 // First find the old package info and check signatures 9382 synchronized(mPackages) { 9383 oldPackage = mPackages.get(pkgName); 9384 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9385 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9386 != PackageManager.SIGNATURE_MATCH) { 9387 Slog.w(TAG, "New package has a different signature: " + pkgName); 9388 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9389 return; 9390 } 9391 9392 // In case of rollback, remember per-user/profile install state 9393 PackageSetting ps = mSettings.mPackages.get(pkgName); 9394 allUsers = sUserManager.getUserIds(); 9395 perUserInstalled = new boolean[allUsers.length]; 9396 for (int i = 0; i < allUsers.length; i++) { 9397 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9398 } 9399 } 9400 boolean sysPkg = (isSystemApp(oldPackage)); 9401 if (sysPkg) { 9402 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9403 user, allUsers, perUserInstalled, installerPackageName, res); 9404 } else { 9405 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9406 user, allUsers, perUserInstalled, installerPackageName, res); 9407 } 9408 } 9409 9410 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9411 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9412 int[] allUsers, boolean[] perUserInstalled, 9413 String installerPackageName, PackageInstalledInfo res) { 9414 PackageParser.Package newPackage = null; 9415 String pkgName = deletedPackage.packageName; 9416 boolean deletedPkg = true; 9417 boolean updatedSettings = false; 9418 9419 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9420 + deletedPackage); 9421 long origUpdateTime; 9422 if (pkg.mExtras != null) { 9423 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9424 } else { 9425 origUpdateTime = 0; 9426 } 9427 9428 // First delete the existing package while retaining the data directory 9429 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9430 res.removedInfo, true)) { 9431 // If the existing package wasn't successfully deleted 9432 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9433 deletedPkg = false; 9434 } else { 9435 // Successfully deleted the old package. Now proceed with re-installation 9436 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9437 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9438 System.currentTimeMillis(), user); 9439 if (newPackage == null) { 9440 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9441 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9442 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9443 } 9444 } else { 9445 updateSettingsLI(newPackage, 9446 installerPackageName, 9447 allUsers, perUserInstalled, 9448 res); 9449 updatedSettings = true; 9450 } 9451 } 9452 9453 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9454 // remove package from internal structures. Note that we want deletePackageX to 9455 // delete the package data and cache directories that it created in 9456 // scanPackageLocked, unless those directories existed before we even tried to 9457 // install. 9458 if(updatedSettings) { 9459 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9460 deletePackageLI( 9461 pkgName, null, true, allUsers, perUserInstalled, 9462 PackageManager.DELETE_KEEP_DATA, 9463 res.removedInfo, true); 9464 } 9465 // Since we failed to install the new package we need to restore the old 9466 // package that we deleted. 9467 if(deletedPkg) { 9468 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9469 File restoreFile = new File(deletedPackage.mPath); 9470 // Parse old package 9471 boolean oldOnSd = isExternal(deletedPackage); 9472 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9473 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9474 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9475 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9476 | SCAN_UPDATE_TIME; 9477 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9478 origUpdateTime, null) == null) { 9479 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9480 return; 9481 } 9482 // Restore of old package succeeded. Update permissions. 9483 // writer 9484 synchronized (mPackages) { 9485 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9486 UPDATE_PERMISSIONS_ALL); 9487 // can downgrade to reader 9488 mSettings.writeLPr(); 9489 } 9490 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9491 } 9492 } 9493 } 9494 9495 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9496 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9497 int[] allUsers, boolean[] perUserInstalled, 9498 String installerPackageName, PackageInstalledInfo res) { 9499 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9500 + ", old=" + deletedPackage); 9501 PackageParser.Package newPackage = null; 9502 boolean updatedSettings = false; 9503 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9504 PackageParser.PARSE_IS_SYSTEM; 9505 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9506 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9507 } 9508 String packageName = deletedPackage.packageName; 9509 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9510 if (packageName == null) { 9511 Slog.w(TAG, "Attempt to delete null packageName."); 9512 return; 9513 } 9514 PackageParser.Package oldPkg; 9515 PackageSetting oldPkgSetting; 9516 // reader 9517 synchronized (mPackages) { 9518 oldPkg = mPackages.get(packageName); 9519 oldPkgSetting = mSettings.mPackages.get(packageName); 9520 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9521 (oldPkgSetting == null)) { 9522 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9523 return; 9524 } 9525 } 9526 9527 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9528 9529 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9530 res.removedInfo.removedPackage = packageName; 9531 // Remove existing system package 9532 removePackageLI(oldPkgSetting, true); 9533 // writer 9534 synchronized (mPackages) { 9535 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9536 // We didn't need to disable the .apk as a current system package, 9537 // which means we are replacing another update that is already 9538 // installed. We need to make sure to delete the older one's .apk. 9539 res.removedInfo.args = createInstallArgs(0, 9540 deletedPackage.applicationInfo.sourceDir, 9541 deletedPackage.applicationInfo.publicSourceDir, 9542 deletedPackage.applicationInfo.nativeLibraryDir, 9543 getAppInstructionSet(deletedPackage.applicationInfo)); 9544 } else { 9545 res.removedInfo.args = null; 9546 } 9547 } 9548 9549 // Successfully disabled the old package. Now proceed with re-installation 9550 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9551 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9552 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9553 if (newPackage == null) { 9554 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9555 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9556 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9557 } 9558 } else { 9559 if (newPackage.mExtras != null) { 9560 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9561 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9562 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9563 } 9564 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9565 updatedSettings = true; 9566 } 9567 9568 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9569 // Re installation failed. Restore old information 9570 // Remove new pkg information 9571 if (newPackage != null) { 9572 removeInstalledPackageLI(newPackage, true); 9573 } 9574 // Add back the old system package 9575 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9576 // Restore the old system information in Settings 9577 synchronized(mPackages) { 9578 if (updatedSettings) { 9579 mSettings.enableSystemPackageLPw(packageName); 9580 mSettings.setInstallerPackageName(packageName, 9581 oldPkgSetting.installerPackageName); 9582 } 9583 mSettings.writeLPr(); 9584 } 9585 } 9586 } 9587 9588 // Utility method used to move dex files during install. 9589 private int moveDexFilesLI(PackageParser.Package newPackage) { 9590 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9591 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 9592 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9593 instructionSet); 9594 if (retCode != 0) { 9595 /* 9596 * Programs may be lazily run through dexopt, so the 9597 * source may not exist. However, something seems to 9598 * have gone wrong, so note that dexopt needs to be 9599 * run again and remove the source file. In addition, 9600 * remove the target to make sure there isn't a stale 9601 * file from a previous version of the package. 9602 */ 9603 newPackage.mDexOptNeeded = true; 9604 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 9605 mInstaller.rmdex(newPackage.mPath, instructionSet); 9606 } 9607 } 9608 return PackageManager.INSTALL_SUCCEEDED; 9609 } 9610 9611 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9612 int[] allUsers, boolean[] perUserInstalled, 9613 PackageInstalledInfo res) { 9614 String pkgName = newPackage.packageName; 9615 synchronized (mPackages) { 9616 //write settings. the installStatus will be incomplete at this stage. 9617 //note that the new package setting would have already been 9618 //added to mPackages. It hasn't been persisted yet. 9619 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9620 mSettings.writeLPr(); 9621 } 9622 9623 if ((res.returnCode = moveDexFilesLI(newPackage)) 9624 != PackageManager.INSTALL_SUCCEEDED) { 9625 // Discontinue if moving dex files failed. 9626 return; 9627 } 9628 9629 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9630 9631 synchronized (mPackages) { 9632 updatePermissionsLPw(newPackage.packageName, newPackage, 9633 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9634 ? UPDATE_PERMISSIONS_ALL : 0)); 9635 // For system-bundled packages, we assume that installing an upgraded version 9636 // of the package implies that the user actually wants to run that new code, 9637 // so we enable the package. 9638 if (isSystemApp(newPackage)) { 9639 // NB: implicit assumption that system package upgrades apply to all users 9640 if (DEBUG_INSTALL) { 9641 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9642 } 9643 PackageSetting ps = mSettings.mPackages.get(pkgName); 9644 if (ps != null) { 9645 if (res.origUsers != null) { 9646 for (int userHandle : res.origUsers) { 9647 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9648 userHandle, installerPackageName); 9649 } 9650 } 9651 // Also convey the prior install/uninstall state 9652 if (allUsers != null && perUserInstalled != null) { 9653 for (int i = 0; i < allUsers.length; i++) { 9654 if (DEBUG_INSTALL) { 9655 Slog.d(TAG, " user " + allUsers[i] 9656 + " => " + perUserInstalled[i]); 9657 } 9658 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9659 } 9660 // these install state changes will be persisted in the 9661 // upcoming call to mSettings.writeLPr(). 9662 } 9663 } 9664 } 9665 res.name = pkgName; 9666 res.uid = newPackage.applicationInfo.uid; 9667 res.pkg = newPackage; 9668 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9669 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9670 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9671 //to update install status 9672 mSettings.writeLPr(); 9673 } 9674 } 9675 9676 private void installPackageLI(InstallArgs args, 9677 boolean newInstall, PackageInstalledInfo res) { 9678 int pFlags = args.flags; 9679 String installerPackageName = args.installerPackageName; 9680 File tmpPackageFile = new File(args.getCodePath()); 9681 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9682 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9683 boolean replace = false; 9684 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9685 | (newInstall ? SCAN_NEW_INSTALL : 0); 9686 // Result object to be returned 9687 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9688 9689 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9690 // Retrieve PackageSettings and parse package 9691 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9692 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9693 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9694 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9695 pp.setSeparateProcesses(mSeparateProcesses); 9696 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9697 null, mMetrics, parseFlags); 9698 if (pkg == null) { 9699 res.returnCode = pp.getParseError(); 9700 return; 9701 } 9702 String pkgName = res.name = pkg.packageName; 9703 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9704 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9705 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9706 return; 9707 } 9708 } 9709 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9710 res.returnCode = pp.getParseError(); 9711 return; 9712 } 9713 9714 /* If the installer passed in a manifest digest, compare it now. */ 9715 if (args.manifestDigest != null) { 9716 if (DEBUG_INSTALL) { 9717 final String parsedManifest = pkg.manifestDigest == null ? "null" 9718 : pkg.manifestDigest.toString(); 9719 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9720 + parsedManifest); 9721 } 9722 9723 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9724 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9725 return; 9726 } 9727 } else if (DEBUG_INSTALL) { 9728 final String parsedManifest = pkg.manifestDigest == null 9729 ? "null" : pkg.manifestDigest.toString(); 9730 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9731 } 9732 9733 // Get rid of all references to package scan path via parser. 9734 pp = null; 9735 String oldCodePath = null; 9736 boolean systemApp = false; 9737 synchronized (mPackages) { 9738 // Check if installing already existing package 9739 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9740 String oldName = mSettings.mRenamedPackages.get(pkgName); 9741 if (pkg.mOriginalPackages != null 9742 && pkg.mOriginalPackages.contains(oldName) 9743 && mPackages.containsKey(oldName)) { 9744 // This package is derived from an original package, 9745 // and this device has been updating from that original 9746 // name. We must continue using the original name, so 9747 // rename the new package here. 9748 pkg.setPackageName(oldName); 9749 pkgName = pkg.packageName; 9750 replace = true; 9751 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9752 + oldName + " pkgName=" + pkgName); 9753 } else if (mPackages.containsKey(pkgName)) { 9754 // This package, under its official name, already exists 9755 // on the device; we should replace it. 9756 replace = true; 9757 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9758 } 9759 } 9760 PackageSetting ps = mSettings.mPackages.get(pkgName); 9761 if (ps != null) { 9762 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9763 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9764 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9765 systemApp = (ps.pkg.applicationInfo.flags & 9766 ApplicationInfo.FLAG_SYSTEM) != 0; 9767 } 9768 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9769 } 9770 } 9771 9772 if (systemApp && onSd) { 9773 // Disable updates to system apps on sdcard 9774 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9775 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9776 return; 9777 } 9778 9779 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9780 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9781 return; 9782 } 9783 // Set application objects path explicitly after the rename 9784 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9785 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9786 if (replace) { 9787 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9788 installerPackageName, res); 9789 } else { 9790 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9791 installerPackageName, res); 9792 } 9793 synchronized (mPackages) { 9794 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9795 if (ps != null) { 9796 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9797 } 9798 } 9799 } 9800 9801 private static boolean isForwardLocked(PackageParser.Package pkg) { 9802 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9803 } 9804 9805 9806 private boolean isForwardLocked(PackageSetting ps) { 9807 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9808 } 9809 9810 private static boolean isExternal(PackageParser.Package pkg) { 9811 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9812 } 9813 9814 private static boolean isExternal(PackageSetting ps) { 9815 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9816 } 9817 9818 private static boolean isSystemApp(PackageParser.Package pkg) { 9819 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9820 } 9821 9822 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9823 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9824 } 9825 9826 private static boolean isSystemApp(ApplicationInfo info) { 9827 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9828 } 9829 9830 private static boolean isSystemApp(PackageSetting ps) { 9831 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9832 } 9833 9834 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9835 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9836 } 9837 9838 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9839 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9840 } 9841 9842 private int packageFlagsToInstallFlags(PackageSetting ps) { 9843 int installFlags = 0; 9844 if (isExternal(ps)) { 9845 installFlags |= PackageManager.INSTALL_EXTERNAL; 9846 } 9847 if (isForwardLocked(ps)) { 9848 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9849 } 9850 return installFlags; 9851 } 9852 9853 private void deleteTempPackageFiles() { 9854 final FilenameFilter filter = new FilenameFilter() { 9855 public boolean accept(File dir, String name) { 9856 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9857 } 9858 }; 9859 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9860 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9861 } 9862 9863 private static final void deleteTempPackageFilesInDirectory(File directory, 9864 FilenameFilter filter) { 9865 final String[] tmpFilesList = directory.list(filter); 9866 if (tmpFilesList == null) { 9867 return; 9868 } 9869 for (int i = 0; i < tmpFilesList.length; i++) { 9870 final File tmpFile = new File(directory, tmpFilesList[i]); 9871 tmpFile.delete(); 9872 } 9873 } 9874 9875 private File createTempPackageFile(File installDir) { 9876 File tmpPackageFile; 9877 try { 9878 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9879 } catch (IOException e) { 9880 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9881 return null; 9882 } 9883 try { 9884 FileUtils.setPermissions( 9885 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9886 -1, -1); 9887 if (!SELinux.restorecon(tmpPackageFile)) { 9888 return null; 9889 } 9890 } catch (IOException e) { 9891 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9892 return null; 9893 } 9894 return tmpPackageFile; 9895 } 9896 9897 @Override 9898 public void deletePackageAsUser(final String packageName, 9899 final IPackageDeleteObserver observer, 9900 final int userId, final int flags) { 9901 mContext.enforceCallingOrSelfPermission( 9902 android.Manifest.permission.DELETE_PACKAGES, null); 9903 final int uid = Binder.getCallingUid(); 9904 if (UserHandle.getUserId(uid) != userId) { 9905 mContext.enforceCallingPermission( 9906 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9907 "deletePackage for user " + userId); 9908 } 9909 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9910 try { 9911 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9912 } catch (RemoteException re) { 9913 } 9914 return; 9915 } 9916 9917 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9918 // Queue up an async operation since the package deletion may take a little while. 9919 mHandler.post(new Runnable() { 9920 public void run() { 9921 mHandler.removeCallbacks(this); 9922 final int returnCode = deletePackageX(packageName, userId, flags); 9923 if (observer != null) { 9924 try { 9925 observer.packageDeleted(packageName, returnCode); 9926 } catch (RemoteException e) { 9927 Log.i(TAG, "Observer no longer exists."); 9928 } //end catch 9929 } //end if 9930 } //end run 9931 }); 9932 } 9933 9934 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9935 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9936 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9937 try { 9938 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9939 || dpm.isDeviceOwner(packageName))) { 9940 return true; 9941 } 9942 } catch (RemoteException e) { 9943 } 9944 return false; 9945 } 9946 9947 /** 9948 * This method is an internal method that could be get invoked either 9949 * to delete an installed package or to clean up a failed installation. 9950 * After deleting an installed package, a broadcast is sent to notify any 9951 * listeners that the package has been installed. For cleaning up a failed 9952 * installation, the broadcast is not necessary since the package's 9953 * installation wouldn't have sent the initial broadcast either 9954 * The key steps in deleting a package are 9955 * deleting the package information in internal structures like mPackages, 9956 * deleting the packages base directories through installd 9957 * updating mSettings to reflect current status 9958 * persisting settings for later use 9959 * sending a broadcast if necessary 9960 */ 9961 private int deletePackageX(String packageName, int userId, int flags) { 9962 final PackageRemovedInfo info = new PackageRemovedInfo(); 9963 final boolean res; 9964 9965 if (isPackageDeviceAdmin(packageName, userId)) { 9966 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9967 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9968 } 9969 9970 boolean removedForAllUsers = false; 9971 boolean systemUpdate = false; 9972 9973 // for the uninstall-updates case and restricted profiles, remember the per- 9974 // userhandle installed state 9975 int[] allUsers; 9976 boolean[] perUserInstalled; 9977 synchronized (mPackages) { 9978 PackageSetting ps = mSettings.mPackages.get(packageName); 9979 allUsers = sUserManager.getUserIds(); 9980 perUserInstalled = new boolean[allUsers.length]; 9981 for (int i = 0; i < allUsers.length; i++) { 9982 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9983 } 9984 } 9985 9986 synchronized (mInstallLock) { 9987 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9988 res = deletePackageLI(packageName, 9989 (flags & PackageManager.DELETE_ALL_USERS) != 0 9990 ? UserHandle.ALL : new UserHandle(userId), 9991 true, allUsers, perUserInstalled, 9992 flags | REMOVE_CHATTY, info, true); 9993 systemUpdate = info.isRemovedPackageSystemUpdate; 9994 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9995 removedForAllUsers = true; 9996 } 9997 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9998 + " removedForAllUsers=" + removedForAllUsers); 9999 } 10000 10001 if (res) { 10002 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10003 10004 // If the removed package was a system update, the old system package 10005 // was re-enabled; we need to broadcast this information 10006 if (systemUpdate) { 10007 Bundle extras = new Bundle(1); 10008 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10009 ? info.removedAppId : info.uid); 10010 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10011 10012 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10013 extras, null, null, null); 10014 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10015 extras, null, null, null); 10016 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10017 null, packageName, null, null); 10018 } 10019 } 10020 // Force a gc here. 10021 Runtime.getRuntime().gc(); 10022 // Delete the resources here after sending the broadcast to let 10023 // other processes clean up before deleting resources. 10024 if (info.args != null) { 10025 synchronized (mInstallLock) { 10026 info.args.doPostDeleteLI(true); 10027 } 10028 } 10029 10030 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10031 } 10032 10033 static class PackageRemovedInfo { 10034 String removedPackage; 10035 int uid = -1; 10036 int removedAppId = -1; 10037 int[] removedUsers = null; 10038 boolean isRemovedPackageSystemUpdate = false; 10039 // Clean up resources deleted packages. 10040 InstallArgs args = null; 10041 10042 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10043 Bundle extras = new Bundle(1); 10044 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10045 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10046 if (replacing) { 10047 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10048 } 10049 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10050 if (removedPackage != null) { 10051 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10052 extras, null, null, removedUsers); 10053 if (fullRemove && !replacing) { 10054 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10055 extras, null, null, removedUsers); 10056 } 10057 } 10058 if (removedAppId >= 0) { 10059 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10060 removedUsers); 10061 } 10062 } 10063 } 10064 10065 /* 10066 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10067 * flag is not set, the data directory is removed as well. 10068 * make sure this flag is set for partially installed apps. If not its meaningless to 10069 * delete a partially installed application. 10070 */ 10071 private void removePackageDataLI(PackageSetting ps, 10072 int[] allUserHandles, boolean[] perUserInstalled, 10073 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10074 String packageName = ps.name; 10075 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10076 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10077 // Retrieve object to delete permissions for shared user later on 10078 final PackageSetting deletedPs; 10079 // reader 10080 synchronized (mPackages) { 10081 deletedPs = mSettings.mPackages.get(packageName); 10082 if (outInfo != null) { 10083 outInfo.removedPackage = packageName; 10084 outInfo.removedUsers = deletedPs != null 10085 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10086 : null; 10087 } 10088 } 10089 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10090 removeDataDirsLI(packageName); 10091 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10092 } 10093 // writer 10094 synchronized (mPackages) { 10095 if (deletedPs != null) { 10096 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10097 if (outInfo != null) { 10098 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10099 } 10100 if (deletedPs != null) { 10101 updatePermissionsLPw(deletedPs.name, null, 0); 10102 if (deletedPs.sharedUser != null) { 10103 // remove permissions associated with package 10104 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10105 } 10106 } 10107 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10108 } 10109 // make sure to preserve per-user disabled state if this removal was just 10110 // a downgrade of a system app to the factory package 10111 if (allUserHandles != null && perUserInstalled != null) { 10112 if (DEBUG_REMOVE) { 10113 Slog.d(TAG, "Propagating install state across downgrade"); 10114 } 10115 for (int i = 0; i < allUserHandles.length; i++) { 10116 if (DEBUG_REMOVE) { 10117 Slog.d(TAG, " user " + allUserHandles[i] 10118 + " => " + perUserInstalled[i]); 10119 } 10120 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10121 } 10122 } 10123 } 10124 // can downgrade to reader 10125 if (writeSettings) { 10126 // Save settings now 10127 mSettings.writeLPr(); 10128 } 10129 } 10130 if (outInfo != null) { 10131 // A user ID was deleted here. Go through all users and remove it 10132 // from KeyStore. 10133 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10134 } 10135 } 10136 10137 static boolean locationIsPrivileged(File path) { 10138 try { 10139 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10140 .getCanonicalPath(); 10141 return path.getCanonicalPath().startsWith(privilegedAppDir); 10142 } catch (IOException e) { 10143 Slog.e(TAG, "Unable to access code path " + path); 10144 } 10145 return false; 10146 } 10147 10148 /* 10149 * Tries to delete system package. 10150 */ 10151 private boolean deleteSystemPackageLI(PackageSetting newPs, 10152 int[] allUserHandles, boolean[] perUserInstalled, 10153 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10154 final boolean applyUserRestrictions 10155 = (allUserHandles != null) && (perUserInstalled != null); 10156 PackageSetting disabledPs = null; 10157 // Confirm if the system package has been updated 10158 // An updated system app can be deleted. This will also have to restore 10159 // the system pkg from system partition 10160 // reader 10161 synchronized (mPackages) { 10162 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10163 } 10164 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10165 + " disabledPs=" + disabledPs); 10166 if (disabledPs == null) { 10167 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10168 return false; 10169 } else if (DEBUG_REMOVE) { 10170 Slog.d(TAG, "Deleting system pkg from data partition"); 10171 } 10172 if (DEBUG_REMOVE) { 10173 if (applyUserRestrictions) { 10174 Slog.d(TAG, "Remembering install states:"); 10175 for (int i = 0; i < allUserHandles.length; i++) { 10176 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10177 } 10178 } 10179 } 10180 // Delete the updated package 10181 outInfo.isRemovedPackageSystemUpdate = true; 10182 if (disabledPs.versionCode < newPs.versionCode) { 10183 // Delete data for downgrades 10184 flags &= ~PackageManager.DELETE_KEEP_DATA; 10185 } else { 10186 // Preserve data by setting flag 10187 flags |= PackageManager.DELETE_KEEP_DATA; 10188 } 10189 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10190 allUserHandles, perUserInstalled, outInfo, writeSettings); 10191 if (!ret) { 10192 return false; 10193 } 10194 // writer 10195 synchronized (mPackages) { 10196 // Reinstate the old system package 10197 mSettings.enableSystemPackageLPw(newPs.name); 10198 // Remove any native libraries from the upgraded package. 10199 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10200 } 10201 // Install the system package 10202 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10203 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10204 if (locationIsPrivileged(disabledPs.codePath)) { 10205 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10206 } 10207 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10208 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 10209 10210 if (newPkg == null) { 10211 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10212 + " with error:" + mLastScanError); 10213 return false; 10214 } 10215 // writer 10216 synchronized (mPackages) { 10217 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10218 setInternalAppNativeLibraryPath(newPkg, ps); 10219 updatePermissionsLPw(newPkg.packageName, newPkg, 10220 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10221 if (applyUserRestrictions) { 10222 if (DEBUG_REMOVE) { 10223 Slog.d(TAG, "Propagating install state across reinstall"); 10224 } 10225 for (int i = 0; i < allUserHandles.length; i++) { 10226 if (DEBUG_REMOVE) { 10227 Slog.d(TAG, " user " + allUserHandles[i] 10228 + " => " + perUserInstalled[i]); 10229 } 10230 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10231 } 10232 // Regardless of writeSettings we need to ensure that this restriction 10233 // state propagation is persisted 10234 mSettings.writeAllUsersPackageRestrictionsLPr(); 10235 } 10236 // can downgrade to reader here 10237 if (writeSettings) { 10238 mSettings.writeLPr(); 10239 } 10240 } 10241 return true; 10242 } 10243 10244 private boolean deleteInstalledPackageLI(PackageSetting ps, 10245 boolean deleteCodeAndResources, int flags, 10246 int[] allUserHandles, boolean[] perUserInstalled, 10247 PackageRemovedInfo outInfo, boolean writeSettings) { 10248 if (outInfo != null) { 10249 outInfo.uid = ps.appId; 10250 } 10251 10252 // Delete package data from internal structures and also remove data if flag is set 10253 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10254 10255 // Delete application code and resources 10256 if (deleteCodeAndResources && (outInfo != null)) { 10257 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10258 ps.resourcePathString, ps.nativeLibraryPathString, 10259 getAppInstructionSetFromSettings(ps)); 10260 } 10261 return true; 10262 } 10263 10264 /* 10265 * This method handles package deletion in general 10266 */ 10267 private boolean deletePackageLI(String packageName, UserHandle user, 10268 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10269 int flags, PackageRemovedInfo outInfo, 10270 boolean writeSettings) { 10271 if (packageName == null) { 10272 Slog.w(TAG, "Attempt to delete null packageName."); 10273 return false; 10274 } 10275 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10276 PackageSetting ps; 10277 boolean dataOnly = false; 10278 int removeUser = -1; 10279 int appId = -1; 10280 synchronized (mPackages) { 10281 ps = mSettings.mPackages.get(packageName); 10282 if (ps == null) { 10283 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10284 return false; 10285 } 10286 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10287 && user.getIdentifier() != UserHandle.USER_ALL) { 10288 // The caller is asking that the package only be deleted for a single 10289 // user. To do this, we just mark its uninstalled state and delete 10290 // its data. If this is a system app, we only allow this to happen if 10291 // they have set the special DELETE_SYSTEM_APP which requests different 10292 // semantics than normal for uninstalling system apps. 10293 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10294 ps.setUserState(user.getIdentifier(), 10295 COMPONENT_ENABLED_STATE_DEFAULT, 10296 false, //installed 10297 true, //stopped 10298 true, //notLaunched 10299 false, //blocked 10300 null, null, null); 10301 if (!isSystemApp(ps)) { 10302 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10303 // Other user still have this package installed, so all 10304 // we need to do is clear this user's data and save that 10305 // it is uninstalled. 10306 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10307 removeUser = user.getIdentifier(); 10308 appId = ps.appId; 10309 mSettings.writePackageRestrictionsLPr(removeUser); 10310 } else { 10311 // We need to set it back to 'installed' so the uninstall 10312 // broadcasts will be sent correctly. 10313 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10314 ps.setInstalled(true, user.getIdentifier()); 10315 } 10316 } else { 10317 // This is a system app, so we assume that the 10318 // other users still have this package installed, so all 10319 // we need to do is clear this user's data and save that 10320 // it is uninstalled. 10321 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10322 removeUser = user.getIdentifier(); 10323 appId = ps.appId; 10324 mSettings.writePackageRestrictionsLPr(removeUser); 10325 } 10326 } 10327 } 10328 10329 if (removeUser >= 0) { 10330 // From above, we determined that we are deleting this only 10331 // for a single user. Continue the work here. 10332 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10333 if (outInfo != null) { 10334 outInfo.removedPackage = packageName; 10335 outInfo.removedAppId = appId; 10336 outInfo.removedUsers = new int[] {removeUser}; 10337 } 10338 mInstaller.clearUserData(packageName, removeUser); 10339 removeKeystoreDataIfNeeded(removeUser, appId); 10340 schedulePackageCleaning(packageName, removeUser, false); 10341 return true; 10342 } 10343 10344 if (dataOnly) { 10345 // Delete application data first 10346 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10347 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10348 return true; 10349 } 10350 10351 boolean ret = false; 10352 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10353 if (isSystemApp(ps)) { 10354 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10355 // When an updated system application is deleted we delete the existing resources as well and 10356 // fall back to existing code in system partition 10357 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10358 flags, outInfo, writeSettings); 10359 } else { 10360 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10361 // Kill application pre-emptively especially for apps on sd. 10362 killApplication(packageName, ps.appId, "uninstall pkg"); 10363 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10364 allUserHandles, perUserInstalled, 10365 outInfo, writeSettings); 10366 } 10367 10368 return ret; 10369 } 10370 10371 private final class ClearStorageConnection implements ServiceConnection { 10372 IMediaContainerService mContainerService; 10373 10374 @Override 10375 public void onServiceConnected(ComponentName name, IBinder service) { 10376 synchronized (this) { 10377 mContainerService = IMediaContainerService.Stub.asInterface(service); 10378 notifyAll(); 10379 } 10380 } 10381 10382 @Override 10383 public void onServiceDisconnected(ComponentName name) { 10384 } 10385 } 10386 10387 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10388 final boolean mounted; 10389 if (Environment.isExternalStorageEmulated()) { 10390 mounted = true; 10391 } else { 10392 final String status = Environment.getExternalStorageState(); 10393 10394 mounted = status.equals(Environment.MEDIA_MOUNTED) 10395 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10396 } 10397 10398 if (!mounted) { 10399 return; 10400 } 10401 10402 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10403 int[] users; 10404 if (userId == UserHandle.USER_ALL) { 10405 users = sUserManager.getUserIds(); 10406 } else { 10407 users = new int[] { userId }; 10408 } 10409 final ClearStorageConnection conn = new ClearStorageConnection(); 10410 if (mContext.bindServiceAsUser( 10411 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10412 try { 10413 for (int curUser : users) { 10414 long timeout = SystemClock.uptimeMillis() + 5000; 10415 synchronized (conn) { 10416 long now = SystemClock.uptimeMillis(); 10417 while (conn.mContainerService == null && now < timeout) { 10418 try { 10419 conn.wait(timeout - now); 10420 } catch (InterruptedException e) { 10421 } 10422 } 10423 } 10424 if (conn.mContainerService == null) { 10425 return; 10426 } 10427 10428 final UserEnvironment userEnv = new UserEnvironment(curUser); 10429 clearDirectory(conn.mContainerService, 10430 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10431 if (allData) { 10432 clearDirectory(conn.mContainerService, 10433 userEnv.buildExternalStorageAppDataDirs(packageName)); 10434 clearDirectory(conn.mContainerService, 10435 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10436 } 10437 } 10438 } finally { 10439 mContext.unbindService(conn); 10440 } 10441 } 10442 } 10443 10444 @Override 10445 public void clearApplicationUserData(final String packageName, 10446 final IPackageDataObserver observer, final int userId) { 10447 mContext.enforceCallingOrSelfPermission( 10448 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10449 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10450 // Queue up an async operation since the package deletion may take a little while. 10451 mHandler.post(new Runnable() { 10452 public void run() { 10453 mHandler.removeCallbacks(this); 10454 final boolean succeeded; 10455 synchronized (mInstallLock) { 10456 succeeded = clearApplicationUserDataLI(packageName, userId); 10457 } 10458 clearExternalStorageDataSync(packageName, userId, true); 10459 if (succeeded) { 10460 // invoke DeviceStorageMonitor's update method to clear any notifications 10461 DeviceStorageMonitorInternal 10462 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10463 if (dsm != null) { 10464 dsm.checkMemory(); 10465 } 10466 } 10467 if(observer != null) { 10468 try { 10469 observer.onRemoveCompleted(packageName, succeeded); 10470 } catch (RemoteException e) { 10471 Log.i(TAG, "Observer no longer exists."); 10472 } 10473 } //end if observer 10474 } //end run 10475 }); 10476 } 10477 10478 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10479 if (packageName == null) { 10480 Slog.w(TAG, "Attempt to delete null packageName."); 10481 return false; 10482 } 10483 PackageParser.Package p; 10484 boolean dataOnly = false; 10485 final int appId; 10486 synchronized (mPackages) { 10487 p = mPackages.get(packageName); 10488 if (p == null) { 10489 dataOnly = true; 10490 PackageSetting ps = mSettings.mPackages.get(packageName); 10491 if ((ps == null) || (ps.pkg == null)) { 10492 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10493 return false; 10494 } 10495 p = ps.pkg; 10496 } 10497 if (!dataOnly) { 10498 // need to check this only for fully installed applications 10499 if (p == null) { 10500 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10501 return false; 10502 } 10503 final ApplicationInfo applicationInfo = p.applicationInfo; 10504 if (applicationInfo == null) { 10505 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10506 return false; 10507 } 10508 } 10509 if (p != null && p.applicationInfo != null) { 10510 appId = p.applicationInfo.uid; 10511 } else { 10512 appId = -1; 10513 } 10514 } 10515 int retCode = mInstaller.clearUserData(packageName, userId); 10516 if (retCode < 0) { 10517 Slog.w(TAG, "Couldn't remove cache files for package: " 10518 + packageName); 10519 return false; 10520 } 10521 removeKeystoreDataIfNeeded(userId, appId); 10522 return true; 10523 } 10524 10525 /** 10526 * Remove entries from the keystore daemon. Will only remove it if the 10527 * {@code appId} is valid. 10528 */ 10529 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10530 if (appId < 0) { 10531 return; 10532 } 10533 10534 final KeyStore keyStore = KeyStore.getInstance(); 10535 if (keyStore != null) { 10536 if (userId == UserHandle.USER_ALL) { 10537 for (final int individual : sUserManager.getUserIds()) { 10538 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10539 } 10540 } else { 10541 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10542 } 10543 } else { 10544 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10545 } 10546 } 10547 10548 @Override 10549 public void deleteApplicationCacheFiles(final String packageName, 10550 final IPackageDataObserver observer) { 10551 mContext.enforceCallingOrSelfPermission( 10552 android.Manifest.permission.DELETE_CACHE_FILES, null); 10553 // Queue up an async operation since the package deletion may take a little while. 10554 final int userId = UserHandle.getCallingUserId(); 10555 mHandler.post(new Runnable() { 10556 public void run() { 10557 mHandler.removeCallbacks(this); 10558 final boolean succeded; 10559 synchronized (mInstallLock) { 10560 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10561 } 10562 clearExternalStorageDataSync(packageName, userId, false); 10563 if(observer != null) { 10564 try { 10565 observer.onRemoveCompleted(packageName, succeded); 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 deleteApplicationCacheFilesLI(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 synchronized (mPackages) { 10581 p = mPackages.get(packageName); 10582 } 10583 if (p == null) { 10584 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10585 return false; 10586 } 10587 final ApplicationInfo applicationInfo = p.applicationInfo; 10588 if (applicationInfo == null) { 10589 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10590 return false; 10591 } 10592 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10593 if (retCode < 0) { 10594 Slog.w(TAG, "Couldn't remove cache files for package: " 10595 + packageName + " u" + userId); 10596 return false; 10597 } 10598 return true; 10599 } 10600 10601 @Override 10602 public void getPackageSizeInfo(final String packageName, int userHandle, 10603 final IPackageStatsObserver observer) { 10604 mContext.enforceCallingOrSelfPermission( 10605 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10606 10607 PackageStats stats = new PackageStats(packageName, userHandle); 10608 10609 /* 10610 * Queue up an async operation since the package measurement may take a 10611 * little while. 10612 */ 10613 Message msg = mHandler.obtainMessage(INIT_COPY); 10614 msg.obj = new MeasureParams(stats, observer); 10615 mHandler.sendMessage(msg); 10616 } 10617 10618 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10619 PackageStats pStats) { 10620 if (packageName == null) { 10621 Slog.w(TAG, "Attempt to get size of null packageName."); 10622 return false; 10623 } 10624 PackageParser.Package p; 10625 boolean dataOnly = false; 10626 String libDirPath = null; 10627 String asecPath = null; 10628 PackageSetting ps = null; 10629 synchronized (mPackages) { 10630 p = mPackages.get(packageName); 10631 ps = mSettings.mPackages.get(packageName); 10632 if(p == null) { 10633 dataOnly = true; 10634 if((ps == null) || (ps.pkg == null)) { 10635 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10636 return false; 10637 } 10638 p = ps.pkg; 10639 } 10640 if (ps != null) { 10641 libDirPath = ps.nativeLibraryPathString; 10642 } 10643 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10644 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10645 if (secureContainerId != null) { 10646 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10647 } 10648 } 10649 } 10650 String publicSrcDir = null; 10651 if(!dataOnly) { 10652 final ApplicationInfo applicationInfo = p.applicationInfo; 10653 if (applicationInfo == null) { 10654 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10655 return false; 10656 } 10657 if (isForwardLocked(p)) { 10658 publicSrcDir = applicationInfo.publicSourceDir; 10659 } 10660 } 10661 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10662 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 10663 pStats); 10664 if (res < 0) { 10665 return false; 10666 } 10667 10668 // Fix-up for forward-locked applications in ASEC containers. 10669 if (!isExternal(p)) { 10670 pStats.codeSize += pStats.externalCodeSize; 10671 pStats.externalCodeSize = 0L; 10672 } 10673 10674 return true; 10675 } 10676 10677 10678 @Override 10679 public void addPackageToPreferred(String packageName) { 10680 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10681 } 10682 10683 @Override 10684 public void removePackageFromPreferred(String packageName) { 10685 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10686 } 10687 10688 @Override 10689 public List<PackageInfo> getPreferredPackages(int flags) { 10690 return new ArrayList<PackageInfo>(); 10691 } 10692 10693 private int getUidTargetSdkVersionLockedLPr(int uid) { 10694 Object obj = mSettings.getUserIdLPr(uid); 10695 if (obj instanceof SharedUserSetting) { 10696 final SharedUserSetting sus = (SharedUserSetting) obj; 10697 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10698 final Iterator<PackageSetting> it = sus.packages.iterator(); 10699 while (it.hasNext()) { 10700 final PackageSetting ps = it.next(); 10701 if (ps.pkg != null) { 10702 int v = ps.pkg.applicationInfo.targetSdkVersion; 10703 if (v < vers) vers = v; 10704 } 10705 } 10706 return vers; 10707 } else if (obj instanceof PackageSetting) { 10708 final PackageSetting ps = (PackageSetting) obj; 10709 if (ps.pkg != null) { 10710 return ps.pkg.applicationInfo.targetSdkVersion; 10711 } 10712 } 10713 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10714 } 10715 10716 @Override 10717 public void addPreferredActivity(IntentFilter filter, int match, 10718 ComponentName[] set, ComponentName activity, int userId) { 10719 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10720 } 10721 10722 private void addPreferredActivityInternal(IntentFilter filter, int match, 10723 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10724 // writer 10725 int callingUid = Binder.getCallingUid(); 10726 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10727 if (filter.countActions() == 0) { 10728 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10729 return; 10730 } 10731 synchronized (mPackages) { 10732 if (mContext.checkCallingOrSelfPermission( 10733 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10734 != PackageManager.PERMISSION_GRANTED) { 10735 if (getUidTargetSdkVersionLockedLPr(callingUid) 10736 < Build.VERSION_CODES.FROYO) { 10737 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10738 + callingUid); 10739 return; 10740 } 10741 mContext.enforceCallingOrSelfPermission( 10742 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10743 } 10744 10745 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10746 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10747 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10748 new PreferredActivity(filter, match, set, activity, always)); 10749 mSettings.writePackageRestrictionsLPr(userId); 10750 } 10751 } 10752 10753 @Override 10754 public void replacePreferredActivity(IntentFilter filter, int match, 10755 ComponentName[] set, ComponentName activity) { 10756 if (filter.countActions() != 1) { 10757 throw new IllegalArgumentException( 10758 "replacePreferredActivity expects filter to have only 1 action."); 10759 } 10760 if (filter.countDataAuthorities() != 0 10761 || filter.countDataPaths() != 0 10762 || filter.countDataSchemes() > 1 10763 || filter.countDataTypes() != 0) { 10764 throw new IllegalArgumentException( 10765 "replacePreferredActivity expects filter to have no data authorities, " + 10766 "paths, or types; and at most one scheme."); 10767 } 10768 synchronized (mPackages) { 10769 if (mContext.checkCallingOrSelfPermission( 10770 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10771 != PackageManager.PERMISSION_GRANTED) { 10772 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10773 < Build.VERSION_CODES.FROYO) { 10774 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10775 + Binder.getCallingUid()); 10776 return; 10777 } 10778 mContext.enforceCallingOrSelfPermission( 10779 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10780 } 10781 10782 final int callingUserId = UserHandle.getCallingUserId(); 10783 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10784 if (pir != null) { 10785 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10786 if (filter.countDataSchemes() == 1) { 10787 Uri.Builder builder = new Uri.Builder(); 10788 builder.scheme(filter.getDataScheme(0)); 10789 intent.setData(builder.build()); 10790 } 10791 List<PreferredActivity> matches = pir.queryIntent( 10792 intent, null, true, callingUserId); 10793 if (DEBUG_PREFERRED) { 10794 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10795 } 10796 for (int i = 0; i < matches.size(); i++) { 10797 PreferredActivity pa = matches.get(i); 10798 if (DEBUG_PREFERRED) { 10799 Slog.i(TAG, "Removing preferred activity " 10800 + pa.mPref.mComponent + ":"); 10801 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10802 } 10803 pir.removeFilter(pa); 10804 } 10805 } 10806 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10807 } 10808 } 10809 10810 @Override 10811 public void clearPackagePreferredActivities(String packageName) { 10812 final int uid = Binder.getCallingUid(); 10813 // writer 10814 synchronized (mPackages) { 10815 PackageParser.Package pkg = mPackages.get(packageName); 10816 if (pkg == null || pkg.applicationInfo.uid != uid) { 10817 if (mContext.checkCallingOrSelfPermission( 10818 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10819 != PackageManager.PERMISSION_GRANTED) { 10820 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10821 < Build.VERSION_CODES.FROYO) { 10822 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10823 + Binder.getCallingUid()); 10824 return; 10825 } 10826 mContext.enforceCallingOrSelfPermission( 10827 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10828 } 10829 } 10830 10831 int user = UserHandle.getCallingUserId(); 10832 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10833 mSettings.writePackageRestrictionsLPr(user); 10834 scheduleWriteSettingsLocked(); 10835 } 10836 } 10837 } 10838 10839 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10840 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10841 ArrayList<PreferredActivity> removed = null; 10842 boolean changed = false; 10843 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10844 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10845 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10846 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10847 continue; 10848 } 10849 Iterator<PreferredActivity> it = pir.filterIterator(); 10850 while (it.hasNext()) { 10851 PreferredActivity pa = it.next(); 10852 // Mark entry for removal only if it matches the package name 10853 // and the entry is of type "always". 10854 if (packageName == null || 10855 (pa.mPref.mComponent.getPackageName().equals(packageName) 10856 && pa.mPref.mAlways)) { 10857 if (removed == null) { 10858 removed = new ArrayList<PreferredActivity>(); 10859 } 10860 removed.add(pa); 10861 } 10862 } 10863 if (removed != null) { 10864 for (int j=0; j<removed.size(); j++) { 10865 PreferredActivity pa = removed.get(j); 10866 pir.removeFilter(pa); 10867 } 10868 changed = true; 10869 } 10870 } 10871 return changed; 10872 } 10873 10874 @Override 10875 public void resetPreferredActivities(int userId) { 10876 mContext.enforceCallingOrSelfPermission( 10877 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10878 // writer 10879 synchronized (mPackages) { 10880 int user = UserHandle.getCallingUserId(); 10881 clearPackagePreferredActivitiesLPw(null, user); 10882 mSettings.readDefaultPreferredAppsLPw(this, user); 10883 mSettings.writePackageRestrictionsLPr(user); 10884 scheduleWriteSettingsLocked(); 10885 } 10886 } 10887 10888 @Override 10889 public int getPreferredActivities(List<IntentFilter> outFilters, 10890 List<ComponentName> outActivities, String packageName) { 10891 10892 int num = 0; 10893 final int userId = UserHandle.getCallingUserId(); 10894 // reader 10895 synchronized (mPackages) { 10896 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10897 if (pir != null) { 10898 final Iterator<PreferredActivity> it = pir.filterIterator(); 10899 while (it.hasNext()) { 10900 final PreferredActivity pa = it.next(); 10901 if (packageName == null 10902 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10903 && pa.mPref.mAlways)) { 10904 if (outFilters != null) { 10905 outFilters.add(new IntentFilter(pa)); 10906 } 10907 if (outActivities != null) { 10908 outActivities.add(pa.mPref.mComponent); 10909 } 10910 } 10911 } 10912 } 10913 } 10914 10915 return num; 10916 } 10917 10918 @Override 10919 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10920 Intent intent = new Intent(Intent.ACTION_MAIN); 10921 intent.addCategory(Intent.CATEGORY_HOME); 10922 10923 final int callingUserId = UserHandle.getCallingUserId(); 10924 List<ResolveInfo> list = queryIntentActivities(intent, null, 10925 PackageManager.GET_META_DATA, callingUserId); 10926 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10927 true, false, false, callingUserId); 10928 10929 allHomeCandidates.clear(); 10930 if (list != null) { 10931 for (ResolveInfo ri : list) { 10932 allHomeCandidates.add(ri); 10933 } 10934 } 10935 return (preferred == null || preferred.activityInfo == null) 10936 ? null 10937 : new ComponentName(preferred.activityInfo.packageName, 10938 preferred.activityInfo.name); 10939 } 10940 10941 @Override 10942 public void setApplicationEnabledSetting(String appPackageName, 10943 int newState, int flags, int userId, String callingPackage) { 10944 if (!sUserManager.exists(userId)) return; 10945 if (callingPackage == null) { 10946 callingPackage = Integer.toString(Binder.getCallingUid()); 10947 } 10948 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10949 } 10950 10951 @Override 10952 public void setComponentEnabledSetting(ComponentName componentName, 10953 int newState, int flags, int userId) { 10954 if (!sUserManager.exists(userId)) return; 10955 setEnabledSetting(componentName.getPackageName(), 10956 componentName.getClassName(), newState, flags, userId, null); 10957 } 10958 10959 private void setEnabledSetting(final String packageName, String className, int newState, 10960 final int flags, int userId, String callingPackage) { 10961 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10962 || newState == COMPONENT_ENABLED_STATE_ENABLED 10963 || newState == COMPONENT_ENABLED_STATE_DISABLED 10964 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10965 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10966 throw new IllegalArgumentException("Invalid new component state: " 10967 + newState); 10968 } 10969 PackageSetting pkgSetting; 10970 final int uid = Binder.getCallingUid(); 10971 final int permission = mContext.checkCallingOrSelfPermission( 10972 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10973 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10974 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10975 boolean sendNow = false; 10976 boolean isApp = (className == null); 10977 String componentName = isApp ? packageName : className; 10978 int packageUid = -1; 10979 ArrayList<String> components; 10980 10981 // writer 10982 synchronized (mPackages) { 10983 pkgSetting = mSettings.mPackages.get(packageName); 10984 if (pkgSetting == null) { 10985 if (className == null) { 10986 throw new IllegalArgumentException( 10987 "Unknown package: " + packageName); 10988 } 10989 throw new IllegalArgumentException( 10990 "Unknown component: " + packageName 10991 + "/" + className); 10992 } 10993 // Allow root and verify that userId is not being specified by a different user 10994 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10995 throw new SecurityException( 10996 "Permission Denial: attempt to change component state from pid=" 10997 + Binder.getCallingPid() 10998 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10999 } 11000 if (className == null) { 11001 // We're dealing with an application/package level state change 11002 if (pkgSetting.getEnabled(userId) == newState) { 11003 // Nothing to do 11004 return; 11005 } 11006 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11007 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11008 // Don't care about who enables an app. 11009 callingPackage = null; 11010 } 11011 pkgSetting.setEnabled(newState, userId, callingPackage); 11012 // pkgSetting.pkg.mSetEnabled = newState; 11013 } else { 11014 // We're dealing with a component level state change 11015 // First, verify that this is a valid class name. 11016 PackageParser.Package pkg = pkgSetting.pkg; 11017 if (pkg == null || !pkg.hasComponentClassName(className)) { 11018 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11019 throw new IllegalArgumentException("Component class " + className 11020 + " does not exist in " + packageName); 11021 } else { 11022 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11023 + className + " does not exist in " + packageName); 11024 } 11025 } 11026 switch (newState) { 11027 case COMPONENT_ENABLED_STATE_ENABLED: 11028 if (!pkgSetting.enableComponentLPw(className, userId)) { 11029 return; 11030 } 11031 break; 11032 case COMPONENT_ENABLED_STATE_DISABLED: 11033 if (!pkgSetting.disableComponentLPw(className, userId)) { 11034 return; 11035 } 11036 break; 11037 case COMPONENT_ENABLED_STATE_DEFAULT: 11038 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11039 return; 11040 } 11041 break; 11042 default: 11043 Slog.e(TAG, "Invalid new component state: " + newState); 11044 return; 11045 } 11046 } 11047 mSettings.writePackageRestrictionsLPr(userId); 11048 components = mPendingBroadcasts.get(userId, packageName); 11049 final boolean newPackage = components == null; 11050 if (newPackage) { 11051 components = new ArrayList<String>(); 11052 } 11053 if (!components.contains(componentName)) { 11054 components.add(componentName); 11055 } 11056 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11057 sendNow = true; 11058 // Purge entry from pending broadcast list if another one exists already 11059 // since we are sending one right away. 11060 mPendingBroadcasts.remove(userId, packageName); 11061 } else { 11062 if (newPackage) { 11063 mPendingBroadcasts.put(userId, packageName, components); 11064 } 11065 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11066 // Schedule a message 11067 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11068 } 11069 } 11070 } 11071 11072 long callingId = Binder.clearCallingIdentity(); 11073 try { 11074 if (sendNow) { 11075 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11076 sendPackageChangedBroadcast(packageName, 11077 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11078 } 11079 } finally { 11080 Binder.restoreCallingIdentity(callingId); 11081 } 11082 } 11083 11084 private void sendPackageChangedBroadcast(String packageName, 11085 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11086 if (DEBUG_INSTALL) 11087 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11088 + componentNames); 11089 Bundle extras = new Bundle(4); 11090 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11091 String nameList[] = new String[componentNames.size()]; 11092 componentNames.toArray(nameList); 11093 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11094 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11095 extras.putInt(Intent.EXTRA_UID, packageUid); 11096 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11097 new int[] {UserHandle.getUserId(packageUid)}); 11098 } 11099 11100 @Override 11101 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11102 if (!sUserManager.exists(userId)) return; 11103 final int uid = Binder.getCallingUid(); 11104 final int permission = mContext.checkCallingOrSelfPermission( 11105 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11106 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11107 enforceCrossUserPermission(uid, userId, true, "stop package"); 11108 // writer 11109 synchronized (mPackages) { 11110 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11111 uid, userId)) { 11112 scheduleWritePackageRestrictionsLocked(userId); 11113 } 11114 } 11115 } 11116 11117 @Override 11118 public String getInstallerPackageName(String packageName) { 11119 // reader 11120 synchronized (mPackages) { 11121 return mSettings.getInstallerPackageNameLPr(packageName); 11122 } 11123 } 11124 11125 @Override 11126 public int getApplicationEnabledSetting(String packageName, int userId) { 11127 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11128 int uid = Binder.getCallingUid(); 11129 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11130 // reader 11131 synchronized (mPackages) { 11132 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11133 } 11134 } 11135 11136 @Override 11137 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11138 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11139 int uid = Binder.getCallingUid(); 11140 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11141 // reader 11142 synchronized (mPackages) { 11143 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11144 } 11145 } 11146 11147 @Override 11148 public void enterSafeMode() { 11149 enforceSystemOrRoot("Only the system can request entering safe mode"); 11150 11151 if (!mSystemReady) { 11152 mSafeMode = true; 11153 } 11154 } 11155 11156 @Override 11157 public void systemReady() { 11158 mSystemReady = true; 11159 11160 // Read the compatibilty setting when the system is ready. 11161 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11162 mContext.getContentResolver(), 11163 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11164 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11165 if (DEBUG_SETTINGS) { 11166 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11167 } 11168 11169 synchronized (mPackages) { 11170 // Verify that all of the preferred activity components actually 11171 // exist. It is possible for applications to be updated and at 11172 // that point remove a previously declared activity component that 11173 // had been set as a preferred activity. We try to clean this up 11174 // the next time we encounter that preferred activity, but it is 11175 // possible for the user flow to never be able to return to that 11176 // situation so here we do a sanity check to make sure we haven't 11177 // left any junk around. 11178 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11179 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11180 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11181 removed.clear(); 11182 for (PreferredActivity pa : pir.filterSet()) { 11183 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11184 removed.add(pa); 11185 } 11186 } 11187 if (removed.size() > 0) { 11188 for (int j=0; j<removed.size(); j++) { 11189 PreferredActivity pa = removed.get(i); 11190 Slog.w(TAG, "Removing dangling preferred activity: " 11191 + pa.mPref.mComponent); 11192 pir.removeFilter(pa); 11193 } 11194 mSettings.writePackageRestrictionsLPr( 11195 mSettings.mPreferredActivities.keyAt(i)); 11196 } 11197 } 11198 } 11199 sUserManager.systemReady(); 11200 } 11201 11202 @Override 11203 public boolean isSafeMode() { 11204 return mSafeMode; 11205 } 11206 11207 @Override 11208 public boolean hasSystemUidErrors() { 11209 return mHasSystemUidErrors; 11210 } 11211 11212 static String arrayToString(int[] array) { 11213 StringBuffer buf = new StringBuffer(128); 11214 buf.append('['); 11215 if (array != null) { 11216 for (int i=0; i<array.length; i++) { 11217 if (i > 0) buf.append(", "); 11218 buf.append(array[i]); 11219 } 11220 } 11221 buf.append(']'); 11222 return buf.toString(); 11223 } 11224 11225 static class DumpState { 11226 public static final int DUMP_LIBS = 1 << 0; 11227 11228 public static final int DUMP_FEATURES = 1 << 1; 11229 11230 public static final int DUMP_RESOLVERS = 1 << 2; 11231 11232 public static final int DUMP_PERMISSIONS = 1 << 3; 11233 11234 public static final int DUMP_PACKAGES = 1 << 4; 11235 11236 public static final int DUMP_SHARED_USERS = 1 << 5; 11237 11238 public static final int DUMP_MESSAGES = 1 << 6; 11239 11240 public static final int DUMP_PROVIDERS = 1 << 7; 11241 11242 public static final int DUMP_VERIFIERS = 1 << 8; 11243 11244 public static final int DUMP_PREFERRED = 1 << 9; 11245 11246 public static final int DUMP_PREFERRED_XML = 1 << 10; 11247 11248 public static final int DUMP_KEYSETS = 1 << 11; 11249 11250 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11251 11252 private int mTypes; 11253 11254 private int mOptions; 11255 11256 private boolean mTitlePrinted; 11257 11258 private SharedUserSetting mSharedUser; 11259 11260 public boolean isDumping(int type) { 11261 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11262 return true; 11263 } 11264 11265 return (mTypes & type) != 0; 11266 } 11267 11268 public void setDump(int type) { 11269 mTypes |= type; 11270 } 11271 11272 public boolean isOptionEnabled(int option) { 11273 return (mOptions & option) != 0; 11274 } 11275 11276 public void setOptionEnabled(int option) { 11277 mOptions |= option; 11278 } 11279 11280 public boolean onTitlePrinted() { 11281 final boolean printed = mTitlePrinted; 11282 mTitlePrinted = true; 11283 return printed; 11284 } 11285 11286 public boolean getTitlePrinted() { 11287 return mTitlePrinted; 11288 } 11289 11290 public void setTitlePrinted(boolean enabled) { 11291 mTitlePrinted = enabled; 11292 } 11293 11294 public SharedUserSetting getSharedUser() { 11295 return mSharedUser; 11296 } 11297 11298 public void setSharedUser(SharedUserSetting user) { 11299 mSharedUser = user; 11300 } 11301 } 11302 11303 @Override 11304 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11305 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11306 != PackageManager.PERMISSION_GRANTED) { 11307 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11308 + Binder.getCallingPid() 11309 + ", uid=" + Binder.getCallingUid() 11310 + " without permission " 11311 + android.Manifest.permission.DUMP); 11312 return; 11313 } 11314 11315 DumpState dumpState = new DumpState(); 11316 boolean fullPreferred = false; 11317 boolean checkin = false; 11318 11319 String packageName = null; 11320 11321 int opti = 0; 11322 while (opti < args.length) { 11323 String opt = args[opti]; 11324 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11325 break; 11326 } 11327 opti++; 11328 if ("-a".equals(opt)) { 11329 // Right now we only know how to print all. 11330 } else if ("-h".equals(opt)) { 11331 pw.println("Package manager dump options:"); 11332 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11333 pw.println(" --checkin: dump for a checkin"); 11334 pw.println(" -f: print details of intent filters"); 11335 pw.println(" -h: print this help"); 11336 pw.println(" cmd may be one of:"); 11337 pw.println(" l[ibraries]: list known shared libraries"); 11338 pw.println(" f[ibraries]: list device features"); 11339 pw.println(" r[esolvers]: dump intent resolvers"); 11340 pw.println(" perm[issions]: dump permissions"); 11341 pw.println(" pref[erred]: print preferred package settings"); 11342 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11343 pw.println(" prov[iders]: dump content providers"); 11344 pw.println(" p[ackages]: dump installed packages"); 11345 pw.println(" s[hared-users]: dump shared user IDs"); 11346 pw.println(" m[essages]: print collected runtime messages"); 11347 pw.println(" v[erifiers]: print package verifier info"); 11348 pw.println(" <package.name>: info about given package"); 11349 pw.println(" k[eysets]: print known keysets"); 11350 return; 11351 } else if ("--checkin".equals(opt)) { 11352 checkin = true; 11353 } else if ("-f".equals(opt)) { 11354 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11355 } else { 11356 pw.println("Unknown argument: " + opt + "; use -h for help"); 11357 } 11358 } 11359 11360 // Is the caller requesting to dump a particular piece of data? 11361 if (opti < args.length) { 11362 String cmd = args[opti]; 11363 opti++; 11364 // Is this a package name? 11365 if ("android".equals(cmd) || cmd.contains(".")) { 11366 packageName = cmd; 11367 // When dumping a single package, we always dump all of its 11368 // filter information since the amount of data will be reasonable. 11369 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11370 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11371 dumpState.setDump(DumpState.DUMP_LIBS); 11372 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11373 dumpState.setDump(DumpState.DUMP_FEATURES); 11374 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11375 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11376 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11377 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11378 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11379 dumpState.setDump(DumpState.DUMP_PREFERRED); 11380 } else if ("preferred-xml".equals(cmd)) { 11381 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11382 if (opti < args.length && "--full".equals(args[opti])) { 11383 fullPreferred = true; 11384 opti++; 11385 } 11386 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11387 dumpState.setDump(DumpState.DUMP_PACKAGES); 11388 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11389 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11390 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11391 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11392 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11393 dumpState.setDump(DumpState.DUMP_MESSAGES); 11394 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11395 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11396 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11397 dumpState.setDump(DumpState.DUMP_KEYSETS); 11398 } 11399 } 11400 11401 if (checkin) { 11402 pw.println("vers,1"); 11403 } 11404 11405 // reader 11406 synchronized (mPackages) { 11407 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11408 if (!checkin) { 11409 if (dumpState.onTitlePrinted()) 11410 pw.println(); 11411 pw.println("Verifiers:"); 11412 pw.print(" Required: "); 11413 pw.print(mRequiredVerifierPackage); 11414 pw.print(" (uid="); 11415 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11416 pw.println(")"); 11417 } else if (mRequiredVerifierPackage != null) { 11418 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11419 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11420 } 11421 } 11422 11423 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11424 boolean printedHeader = false; 11425 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11426 while (it.hasNext()) { 11427 String name = it.next(); 11428 SharedLibraryEntry ent = mSharedLibraries.get(name); 11429 if (!checkin) { 11430 if (!printedHeader) { 11431 if (dumpState.onTitlePrinted()) 11432 pw.println(); 11433 pw.println("Libraries:"); 11434 printedHeader = true; 11435 } 11436 pw.print(" "); 11437 } else { 11438 pw.print("lib,"); 11439 } 11440 pw.print(name); 11441 if (!checkin) { 11442 pw.print(" -> "); 11443 } 11444 if (ent.path != null) { 11445 if (!checkin) { 11446 pw.print("(jar) "); 11447 pw.print(ent.path); 11448 } else { 11449 pw.print(",jar,"); 11450 pw.print(ent.path); 11451 } 11452 } else { 11453 if (!checkin) { 11454 pw.print("(apk) "); 11455 pw.print(ent.apk); 11456 } else { 11457 pw.print(",apk,"); 11458 pw.print(ent.apk); 11459 } 11460 } 11461 pw.println(); 11462 } 11463 } 11464 11465 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11466 if (dumpState.onTitlePrinted()) 11467 pw.println(); 11468 if (!checkin) { 11469 pw.println("Features:"); 11470 } 11471 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11472 while (it.hasNext()) { 11473 String name = it.next(); 11474 if (!checkin) { 11475 pw.print(" "); 11476 } else { 11477 pw.print("feat,"); 11478 } 11479 pw.println(name); 11480 } 11481 } 11482 11483 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11484 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11485 : "Activity Resolver Table:", " ", packageName, 11486 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11487 dumpState.setTitlePrinted(true); 11488 } 11489 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11490 : "Receiver Resolver Table:", " ", packageName, 11491 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11492 dumpState.setTitlePrinted(true); 11493 } 11494 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11495 : "Service Resolver Table:", " ", packageName, 11496 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11497 dumpState.setTitlePrinted(true); 11498 } 11499 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11500 : "Provider Resolver Table:", " ", packageName, 11501 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11502 dumpState.setTitlePrinted(true); 11503 } 11504 } 11505 11506 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11507 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11508 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11509 int user = mSettings.mPreferredActivities.keyAt(i); 11510 if (pir.dump(pw, 11511 dumpState.getTitlePrinted() 11512 ? "\nPreferred Activities User " + user + ":" 11513 : "Preferred Activities User " + user + ":", " ", 11514 packageName, true)) { 11515 dumpState.setTitlePrinted(true); 11516 } 11517 } 11518 } 11519 11520 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11521 pw.flush(); 11522 FileOutputStream fout = new FileOutputStream(fd); 11523 BufferedOutputStream str = new BufferedOutputStream(fout); 11524 XmlSerializer serializer = new FastXmlSerializer(); 11525 try { 11526 serializer.setOutput(str, "utf-8"); 11527 serializer.startDocument(null, true); 11528 serializer.setFeature( 11529 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11530 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11531 serializer.endDocument(); 11532 serializer.flush(); 11533 } catch (IllegalArgumentException e) { 11534 pw.println("Failed writing: " + e); 11535 } catch (IllegalStateException e) { 11536 pw.println("Failed writing: " + e); 11537 } catch (IOException e) { 11538 pw.println("Failed writing: " + e); 11539 } 11540 } 11541 11542 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11543 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11544 } 11545 11546 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11547 boolean printedSomething = false; 11548 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11549 if (packageName != null && !packageName.equals(p.info.packageName)) { 11550 continue; 11551 } 11552 if (!printedSomething) { 11553 if (dumpState.onTitlePrinted()) 11554 pw.println(); 11555 pw.println("Registered ContentProviders:"); 11556 printedSomething = true; 11557 } 11558 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11559 pw.print(" "); pw.println(p.toString()); 11560 } 11561 printedSomething = false; 11562 for (Map.Entry<String, PackageParser.Provider> entry : 11563 mProvidersByAuthority.entrySet()) { 11564 PackageParser.Provider p = entry.getValue(); 11565 if (packageName != null && !packageName.equals(p.info.packageName)) { 11566 continue; 11567 } 11568 if (!printedSomething) { 11569 if (dumpState.onTitlePrinted()) 11570 pw.println(); 11571 pw.println("ContentProvider Authorities:"); 11572 printedSomething = true; 11573 } 11574 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11575 pw.print(" "); pw.println(p.toString()); 11576 if (p.info != null && p.info.applicationInfo != null) { 11577 final String appInfo = p.info.applicationInfo.toString(); 11578 pw.print(" applicationInfo="); pw.println(appInfo); 11579 } 11580 } 11581 } 11582 11583 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11584 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11585 } 11586 11587 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11588 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11589 } 11590 11591 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11592 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11593 } 11594 11595 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11596 if (dumpState.onTitlePrinted()) 11597 pw.println(); 11598 mSettings.dumpReadMessagesLPr(pw, dumpState); 11599 11600 pw.println(); 11601 pw.println("Package warning messages:"); 11602 final File fname = getSettingsProblemFile(); 11603 FileInputStream in = null; 11604 try { 11605 in = new FileInputStream(fname); 11606 final int avail = in.available(); 11607 final byte[] data = new byte[avail]; 11608 in.read(data); 11609 pw.print(new String(data)); 11610 } catch (FileNotFoundException e) { 11611 } catch (IOException e) { 11612 } finally { 11613 if (in != null) { 11614 try { 11615 in.close(); 11616 } catch (IOException e) { 11617 } 11618 } 11619 } 11620 } 11621 } 11622 } 11623 11624 // ------- apps on sdcard specific code ------- 11625 static final boolean DEBUG_SD_INSTALL = false; 11626 11627 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11628 11629 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11630 11631 private boolean mMediaMounted = false; 11632 11633 private String getEncryptKey() { 11634 try { 11635 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11636 SD_ENCRYPTION_KEYSTORE_NAME); 11637 if (sdEncKey == null) { 11638 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11639 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11640 if (sdEncKey == null) { 11641 Slog.e(TAG, "Failed to create encryption keys"); 11642 return null; 11643 } 11644 } 11645 return sdEncKey; 11646 } catch (NoSuchAlgorithmException nsae) { 11647 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11648 return null; 11649 } catch (IOException ioe) { 11650 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11651 return null; 11652 } 11653 11654 } 11655 11656 /* package */static String getTempContainerId() { 11657 int tmpIdx = 1; 11658 String list[] = PackageHelper.getSecureContainerList(); 11659 if (list != null) { 11660 for (final String name : list) { 11661 // Ignore null and non-temporary container entries 11662 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11663 continue; 11664 } 11665 11666 String subStr = name.substring(mTempContainerPrefix.length()); 11667 try { 11668 int cid = Integer.parseInt(subStr); 11669 if (cid >= tmpIdx) { 11670 tmpIdx = cid + 1; 11671 } 11672 } catch (NumberFormatException e) { 11673 } 11674 } 11675 } 11676 return mTempContainerPrefix + tmpIdx; 11677 } 11678 11679 /* 11680 * Update media status on PackageManager. 11681 */ 11682 @Override 11683 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11684 int callingUid = Binder.getCallingUid(); 11685 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11686 throw new SecurityException("Media status can only be updated by the system"); 11687 } 11688 // reader; this apparently protects mMediaMounted, but should probably 11689 // be a different lock in that case. 11690 synchronized (mPackages) { 11691 Log.i(TAG, "Updating external media status from " 11692 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11693 + (mediaStatus ? "mounted" : "unmounted")); 11694 if (DEBUG_SD_INSTALL) 11695 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11696 + ", mMediaMounted=" + mMediaMounted); 11697 if (mediaStatus == mMediaMounted) { 11698 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11699 : 0, -1); 11700 mHandler.sendMessage(msg); 11701 return; 11702 } 11703 mMediaMounted = mediaStatus; 11704 } 11705 // Queue up an async operation since the package installation may take a 11706 // little while. 11707 mHandler.post(new Runnable() { 11708 public void run() { 11709 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11710 } 11711 }); 11712 } 11713 11714 /** 11715 * Called by MountService when the initial ASECs to scan are available. 11716 * Should block until all the ASEC containers are finished being scanned. 11717 */ 11718 public void scanAvailableAsecs() { 11719 updateExternalMediaStatusInner(true, false, false); 11720 if (mShouldRestoreconData) { 11721 SELinuxMMAC.setRestoreconDone(); 11722 mShouldRestoreconData = false; 11723 } 11724 } 11725 11726 /* 11727 * Collect information of applications on external media, map them against 11728 * existing containers and update information based on current mount status. 11729 * Please note that we always have to report status if reportStatus has been 11730 * set to true especially when unloading packages. 11731 */ 11732 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11733 boolean externalStorage) { 11734 // Collection of uids 11735 int uidArr[] = null; 11736 // Collection of stale containers 11737 HashSet<String> removeCids = new HashSet<String>(); 11738 // Collection of packages on external media with valid containers. 11739 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11740 // Get list of secure containers. 11741 final String list[] = PackageHelper.getSecureContainerList(); 11742 if (list == null || list.length == 0) { 11743 Log.i(TAG, "No secure containers on sdcard"); 11744 } else { 11745 // Process list of secure containers and categorize them 11746 // as active or stale based on their package internal state. 11747 int uidList[] = new int[list.length]; 11748 int num = 0; 11749 // reader 11750 synchronized (mPackages) { 11751 for (String cid : list) { 11752 if (DEBUG_SD_INSTALL) 11753 Log.i(TAG, "Processing container " + cid); 11754 String pkgName = getAsecPackageName(cid); 11755 if (pkgName == null) { 11756 if (DEBUG_SD_INSTALL) 11757 Log.i(TAG, "Container : " + cid + " stale"); 11758 removeCids.add(cid); 11759 continue; 11760 } 11761 if (DEBUG_SD_INSTALL) 11762 Log.i(TAG, "Looking for pkg : " + pkgName); 11763 11764 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11765 if (ps == null) { 11766 Log.i(TAG, "Deleting container with no matching settings " + cid); 11767 removeCids.add(cid); 11768 continue; 11769 } 11770 11771 /* 11772 * Skip packages that are not external if we're unmounting 11773 * external storage. 11774 */ 11775 if (externalStorage && !isMounted && !isExternal(ps)) { 11776 continue; 11777 } 11778 11779 final AsecInstallArgs args = new AsecInstallArgs(cid, 11780 getAppInstructionSetFromSettings(ps), 11781 isForwardLocked(ps)); 11782 // The package status is changed only if the code path 11783 // matches between settings and the container id. 11784 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11785 if (DEBUG_SD_INSTALL) { 11786 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11787 + " at code path: " + ps.codePathString); 11788 } 11789 11790 // We do have a valid package installed on sdcard 11791 processCids.put(args, ps.codePathString); 11792 final int uid = ps.appId; 11793 if (uid != -1) { 11794 uidList[num++] = uid; 11795 } 11796 } else { 11797 Log.i(TAG, "Deleting stale container for " + cid); 11798 removeCids.add(cid); 11799 } 11800 } 11801 } 11802 11803 if (num > 0) { 11804 // Sort uid list 11805 Arrays.sort(uidList, 0, num); 11806 // Throw away duplicates 11807 uidArr = new int[num]; 11808 uidArr[0] = uidList[0]; 11809 int di = 0; 11810 for (int i = 1; i < num; i++) { 11811 if (uidList[i - 1] != uidList[i]) { 11812 uidArr[di++] = uidList[i]; 11813 } 11814 } 11815 } 11816 } 11817 // Process packages with valid entries. 11818 if (isMounted) { 11819 if (DEBUG_SD_INSTALL) 11820 Log.i(TAG, "Loading packages"); 11821 loadMediaPackages(processCids, uidArr, removeCids); 11822 startCleaningPackages(); 11823 } else { 11824 if (DEBUG_SD_INSTALL) 11825 Log.i(TAG, "Unloading packages"); 11826 unloadMediaPackages(processCids, uidArr, reportStatus); 11827 } 11828 } 11829 11830 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11831 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11832 int size = pkgList.size(); 11833 if (size > 0) { 11834 // Send broadcasts here 11835 Bundle extras = new Bundle(); 11836 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11837 .toArray(new String[size])); 11838 if (uidArr != null) { 11839 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11840 } 11841 if (replacing) { 11842 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11843 } 11844 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11845 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11846 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11847 } 11848 } 11849 11850 /* 11851 * Look at potentially valid container ids from processCids If package 11852 * information doesn't match the one on record or package scanning fails, 11853 * the cid is added to list of removeCids. We currently don't delete stale 11854 * containers. 11855 */ 11856 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11857 HashSet<String> removeCids) { 11858 ArrayList<String> pkgList = new ArrayList<String>(); 11859 Set<AsecInstallArgs> keys = processCids.keySet(); 11860 boolean doGc = false; 11861 for (AsecInstallArgs args : keys) { 11862 String codePath = processCids.get(args); 11863 if (DEBUG_SD_INSTALL) 11864 Log.i(TAG, "Loading container : " + args.cid); 11865 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11866 try { 11867 // Make sure there are no container errors first. 11868 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11869 Slog.e(TAG, "Failed to mount cid : " + args.cid 11870 + " when installing from sdcard"); 11871 continue; 11872 } 11873 // Check code path here. 11874 if (codePath == null || !codePath.equals(args.getCodePath())) { 11875 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11876 + " does not match one in settings " + codePath); 11877 continue; 11878 } 11879 // Parse package 11880 int parseFlags = mDefParseFlags; 11881 if (args.isExternal()) { 11882 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11883 } 11884 if (args.isFwdLocked()) { 11885 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11886 } 11887 11888 doGc = true; 11889 synchronized (mInstallLock) { 11890 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11891 0, 0, null); 11892 // Scan the package 11893 if (pkg != null) { 11894 /* 11895 * TODO why is the lock being held? doPostInstall is 11896 * called in other places without the lock. This needs 11897 * to be straightened out. 11898 */ 11899 // writer 11900 synchronized (mPackages) { 11901 retCode = PackageManager.INSTALL_SUCCEEDED; 11902 pkgList.add(pkg.packageName); 11903 // Post process args 11904 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11905 pkg.applicationInfo.uid); 11906 } 11907 } else { 11908 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11909 } 11910 } 11911 11912 } finally { 11913 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11914 // Don't destroy container here. Wait till gc clears things 11915 // up. 11916 removeCids.add(args.cid); 11917 } 11918 } 11919 } 11920 // writer 11921 synchronized (mPackages) { 11922 // If the platform SDK has changed since the last time we booted, 11923 // we need to re-grant app permission to catch any new ones that 11924 // appear. This is really a hack, and means that apps can in some 11925 // cases get permissions that the user didn't initially explicitly 11926 // allow... it would be nice to have some better way to handle 11927 // this situation. 11928 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11929 if (regrantPermissions) 11930 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11931 + mSdkVersion + "; regranting permissions for external storage"); 11932 mSettings.mExternalSdkPlatform = mSdkVersion; 11933 11934 // Make sure group IDs have been assigned, and any permission 11935 // changes in other apps are accounted for 11936 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11937 | (regrantPermissions 11938 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11939 : 0)); 11940 // can downgrade to reader 11941 // Persist settings 11942 mSettings.writeLPr(); 11943 } 11944 // Send a broadcast to let everyone know we are done processing 11945 if (pkgList.size() > 0) { 11946 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11947 } 11948 // Force gc to avoid any stale parser references that we might have. 11949 if (doGc) { 11950 Runtime.getRuntime().gc(); 11951 } 11952 // List stale containers and destroy stale temporary containers. 11953 if (removeCids != null) { 11954 for (String cid : removeCids) { 11955 if (cid.startsWith(mTempContainerPrefix)) { 11956 Log.i(TAG, "Destroying stale temporary container " + cid); 11957 PackageHelper.destroySdDir(cid); 11958 } else { 11959 Log.w(TAG, "Container " + cid + " is stale"); 11960 } 11961 } 11962 } 11963 } 11964 11965 /* 11966 * Utility method to unload a list of specified containers 11967 */ 11968 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11969 // Just unmount all valid containers. 11970 for (AsecInstallArgs arg : cidArgs) { 11971 synchronized (mInstallLock) { 11972 arg.doPostDeleteLI(false); 11973 } 11974 } 11975 } 11976 11977 /* 11978 * Unload packages mounted on external media. This involves deleting package 11979 * data from internal structures, sending broadcasts about diabled packages, 11980 * gc'ing to free up references, unmounting all secure containers 11981 * corresponding to packages on external media, and posting a 11982 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11983 * that we always have to post this message if status has been requested no 11984 * matter what. 11985 */ 11986 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11987 final boolean reportStatus) { 11988 if (DEBUG_SD_INSTALL) 11989 Log.i(TAG, "unloading media packages"); 11990 ArrayList<String> pkgList = new ArrayList<String>(); 11991 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11992 final Set<AsecInstallArgs> keys = processCids.keySet(); 11993 for (AsecInstallArgs args : keys) { 11994 String pkgName = args.getPackageName(); 11995 if (DEBUG_SD_INSTALL) 11996 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11997 // Delete package internally 11998 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11999 synchronized (mInstallLock) { 12000 boolean res = deletePackageLI(pkgName, null, false, null, null, 12001 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12002 if (res) { 12003 pkgList.add(pkgName); 12004 } else { 12005 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12006 failedList.add(args); 12007 } 12008 } 12009 } 12010 12011 // reader 12012 synchronized (mPackages) { 12013 // We didn't update the settings after removing each package; 12014 // write them now for all packages. 12015 mSettings.writeLPr(); 12016 } 12017 12018 // We have to absolutely send UPDATED_MEDIA_STATUS only 12019 // after confirming that all the receivers processed the ordered 12020 // broadcast when packages get disabled, force a gc to clean things up. 12021 // and unload all the containers. 12022 if (pkgList.size() > 0) { 12023 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12024 new IIntentReceiver.Stub() { 12025 public void performReceive(Intent intent, int resultCode, String data, 12026 Bundle extras, boolean ordered, boolean sticky, 12027 int sendingUser) throws RemoteException { 12028 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12029 reportStatus ? 1 : 0, 1, keys); 12030 mHandler.sendMessage(msg); 12031 } 12032 }); 12033 } else { 12034 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12035 keys); 12036 mHandler.sendMessage(msg); 12037 } 12038 } 12039 12040 /** Binder call */ 12041 @Override 12042 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12043 final int flags) { 12044 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12045 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12046 int returnCode = PackageManager.MOVE_SUCCEEDED; 12047 int currFlags = 0; 12048 int newFlags = 0; 12049 // reader 12050 synchronized (mPackages) { 12051 PackageParser.Package pkg = mPackages.get(packageName); 12052 if (pkg == null) { 12053 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12054 } else { 12055 // Disable moving fwd locked apps and system packages 12056 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12057 Slog.w(TAG, "Cannot move system application"); 12058 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12059 } else if (pkg.mOperationPending) { 12060 Slog.w(TAG, "Attempt to move package which has pending operations"); 12061 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12062 } else { 12063 // Find install location first 12064 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12065 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12066 Slog.w(TAG, "Ambigous flags specified for move location."); 12067 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12068 } else { 12069 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12070 : PackageManager.INSTALL_INTERNAL; 12071 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12072 : PackageManager.INSTALL_INTERNAL; 12073 12074 if (newFlags == currFlags) { 12075 Slog.w(TAG, "No move required. Trying to move to same location"); 12076 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12077 } else { 12078 if (isForwardLocked(pkg)) { 12079 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12080 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12081 } 12082 } 12083 } 12084 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12085 pkg.mOperationPending = true; 12086 } 12087 } 12088 } 12089 12090 /* 12091 * TODO this next block probably shouldn't be inside the lock. We 12092 * can't guarantee these won't change after this is fired off 12093 * anyway. 12094 */ 12095 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12096 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12097 null, -1, user), 12098 returnCode); 12099 } else { 12100 Message msg = mHandler.obtainMessage(INIT_COPY); 12101 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12102 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12103 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12104 instructionSet); 12105 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12106 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12107 msg.obj = mp; 12108 mHandler.sendMessage(msg); 12109 } 12110 } 12111 } 12112 12113 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12114 // Queue up an async operation since the package deletion may take a 12115 // little while. 12116 mHandler.post(new Runnable() { 12117 public void run() { 12118 // TODO fix this; this does nothing. 12119 mHandler.removeCallbacks(this); 12120 int returnCode = currentStatus; 12121 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12122 int uidArr[] = null; 12123 ArrayList<String> pkgList = null; 12124 synchronized (mPackages) { 12125 PackageParser.Package pkg = mPackages.get(mp.packageName); 12126 if (pkg == null) { 12127 Slog.w(TAG, " Package " + mp.packageName 12128 + " doesn't exist. Aborting move"); 12129 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12130 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12131 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12132 + mp.srcArgs.getCodePath() + " to " 12133 + pkg.applicationInfo.sourceDir 12134 + " Aborting move and returning error"); 12135 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12136 } else { 12137 uidArr = new int[] { 12138 pkg.applicationInfo.uid 12139 }; 12140 pkgList = new ArrayList<String>(); 12141 pkgList.add(mp.packageName); 12142 } 12143 } 12144 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12145 // Send resources unavailable broadcast 12146 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12147 // Update package code and resource paths 12148 synchronized (mInstallLock) { 12149 synchronized (mPackages) { 12150 PackageParser.Package pkg = mPackages.get(mp.packageName); 12151 // Recheck for package again. 12152 if (pkg == null) { 12153 Slog.w(TAG, " Package " + mp.packageName 12154 + " doesn't exist. Aborting move"); 12155 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12156 } else if (!mp.srcArgs.getCodePath().equals( 12157 pkg.applicationInfo.sourceDir)) { 12158 Slog.w(TAG, "Package " + mp.packageName 12159 + " code path changed from " + mp.srcArgs.getCodePath() 12160 + " to " + pkg.applicationInfo.sourceDir 12161 + " Aborting move and returning error"); 12162 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12163 } else { 12164 final String oldCodePath = pkg.mPath; 12165 final String newCodePath = mp.targetArgs.getCodePath(); 12166 final String newResPath = mp.targetArgs.getResourcePath(); 12167 final String newNativePath = mp.targetArgs 12168 .getNativeLibraryPath(); 12169 12170 final File newNativeDir = new File(newNativePath); 12171 12172 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12173 // NOTE: We do not report any errors from the APK scan and library 12174 // copy at this point. 12175 NativeLibraryHelper.ApkHandle handle = 12176 new NativeLibraryHelper.ApkHandle(newCodePath); 12177 final int abi = NativeLibraryHelper.findSupportedAbi( 12178 handle, Build.SUPPORTED_ABIS); 12179 if (abi >= 0) { 12180 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12181 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12182 } 12183 handle.close(); 12184 } 12185 final int[] users = sUserManager.getUserIds(); 12186 for (int user : users) { 12187 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12188 newNativePath, user) < 0) { 12189 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12190 } 12191 } 12192 12193 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12194 pkg.mPath = newCodePath; 12195 // Move dex files around 12196 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12197 // Moving of dex files failed. Set 12198 // error code and abort move. 12199 pkg.mPath = pkg.mScanPath; 12200 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12201 } 12202 } 12203 12204 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12205 pkg.mScanPath = newCodePath; 12206 pkg.applicationInfo.sourceDir = newCodePath; 12207 pkg.applicationInfo.publicSourceDir = newResPath; 12208 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12209 PackageSetting ps = (PackageSetting) pkg.mExtras; 12210 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12211 ps.codePathString = ps.codePath.getPath(); 12212 ps.resourcePath = new File( 12213 pkg.applicationInfo.publicSourceDir); 12214 ps.resourcePathString = ps.resourcePath.getPath(); 12215 ps.nativeLibraryPathString = newNativePath; 12216 // Set the application info flag 12217 // correctly. 12218 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12219 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12220 } else { 12221 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12222 } 12223 ps.setFlags(pkg.applicationInfo.flags); 12224 mAppDirs.remove(oldCodePath); 12225 mAppDirs.put(newCodePath, pkg); 12226 // Persist settings 12227 mSettings.writeLPr(); 12228 } 12229 } 12230 } 12231 } 12232 // Send resources available broadcast 12233 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12234 } 12235 } 12236 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12237 // Clean up failed installation 12238 if (mp.targetArgs != null) { 12239 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12240 -1); 12241 } 12242 } else { 12243 // Force a gc to clear things up. 12244 Runtime.getRuntime().gc(); 12245 // Delete older code 12246 synchronized (mInstallLock) { 12247 mp.srcArgs.doPostDeleteLI(true); 12248 } 12249 } 12250 12251 // Allow more operations on this file if we didn't fail because 12252 // an operation was already pending for this package. 12253 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12254 synchronized (mPackages) { 12255 PackageParser.Package pkg = mPackages.get(mp.packageName); 12256 if (pkg != null) { 12257 pkg.mOperationPending = false; 12258 } 12259 } 12260 } 12261 12262 IPackageMoveObserver observer = mp.observer; 12263 if (observer != null) { 12264 try { 12265 observer.packageMoved(mp.packageName, returnCode); 12266 } catch (RemoteException e) { 12267 Log.i(TAG, "Observer no longer exists."); 12268 } 12269 } 12270 } 12271 }); 12272 } 12273 12274 @Override 12275 public boolean setInstallLocation(int loc) { 12276 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12277 null); 12278 if (getInstallLocation() == loc) { 12279 return true; 12280 } 12281 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12282 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12283 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12284 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12285 return true; 12286 } 12287 return false; 12288 } 12289 12290 @Override 12291 public int getInstallLocation() { 12292 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12293 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12294 PackageHelper.APP_INSTALL_AUTO); 12295 } 12296 12297 /** Called by UserManagerService */ 12298 void cleanUpUserLILPw(int userHandle) { 12299 mDirtyUsers.remove(userHandle); 12300 mSettings.removeUserLPr(userHandle); 12301 mPendingBroadcasts.remove(userHandle); 12302 if (mInstaller != null) { 12303 // Technically, we shouldn't be doing this with the package lock 12304 // held. However, this is very rare, and there is already so much 12305 // other disk I/O going on, that we'll let it slide for now. 12306 mInstaller.removeUserDataDirs(userHandle); 12307 } 12308 } 12309 12310 /** Called by UserManagerService */ 12311 void createNewUserLILPw(int userHandle, File path) { 12312 if (mInstaller != null) { 12313 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12314 } 12315 } 12316 12317 @Override 12318 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12319 mContext.enforceCallingOrSelfPermission( 12320 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12321 "Only package verification agents can read the verifier device identity"); 12322 12323 synchronized (mPackages) { 12324 return mSettings.getVerifierDeviceIdentityLPw(); 12325 } 12326 } 12327 12328 @Override 12329 public void setPermissionEnforced(String permission, boolean enforced) { 12330 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12331 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12332 synchronized (mPackages) { 12333 if (mSettings.mReadExternalStorageEnforced == null 12334 || mSettings.mReadExternalStorageEnforced != enforced) { 12335 mSettings.mReadExternalStorageEnforced = enforced; 12336 mSettings.writeLPr(); 12337 } 12338 } 12339 // kill any non-foreground processes so we restart them and 12340 // grant/revoke the GID. 12341 final IActivityManager am = ActivityManagerNative.getDefault(); 12342 if (am != null) { 12343 final long token = Binder.clearCallingIdentity(); 12344 try { 12345 am.killProcessesBelowForeground("setPermissionEnforcement"); 12346 } catch (RemoteException e) { 12347 } finally { 12348 Binder.restoreCallingIdentity(token); 12349 } 12350 } 12351 } else { 12352 throw new IllegalArgumentException("No selective enforcement for " + permission); 12353 } 12354 } 12355 12356 @Override 12357 @Deprecated 12358 public boolean isPermissionEnforced(String permission) { 12359 return true; 12360 } 12361 12362 @Override 12363 public boolean isStorageLow() { 12364 final long token = Binder.clearCallingIdentity(); 12365 try { 12366 final DeviceStorageMonitorInternal 12367 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12368 if (dsm != null) { 12369 return dsm.isMemoryLow(); 12370 } else { 12371 return false; 12372 } 12373 } finally { 12374 Binder.restoreCallingIdentity(token); 12375 } 12376 } 12377} 12378