PackageManagerService.java revision 2afded11aad8e3228a0f71585ecfb89c6c54b066
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_USER; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 25import static com.android.internal.util.ArrayUtils.appendInt; 26import static com.android.internal.util.ArrayUtils.removeInt; 27import static libcore.io.OsConstants.S_ISLNK; 28 29import com.android.internal.app.IMediaContainerService; 30import com.android.internal.app.ResolverActivity; 31import com.android.internal.content.NativeLibraryHelper; 32import com.android.internal.content.PackageHelper; 33import com.android.internal.util.XmlUtils; 34import com.android.server.DeviceStorageMonitorService; 35import com.android.server.EventLogTags; 36import com.android.server.IntentResolver; 37 38import org.xmlpull.v1.XmlPullParser; 39import org.xmlpull.v1.XmlPullParserException; 40 41import android.app.ActivityManagerNative; 42import android.app.IActivityManager; 43import android.app.admin.IDevicePolicyManager; 44import android.app.backup.IBackupManager; 45import android.content.BroadcastReceiver; 46import android.content.ComponentName; 47import android.content.Context; 48import android.content.IIntentReceiver; 49import android.content.Intent; 50import android.content.IntentFilter; 51import android.content.IntentSender; 52import android.content.ServiceConnection; 53import android.content.IntentSender.SendIntentException; 54import android.content.pm.ActivityInfo; 55import android.content.pm.ApplicationInfo; 56import android.content.pm.ContainerEncryptionParams; 57import android.content.pm.FeatureInfo; 58import android.content.pm.IPackageDataObserver; 59import android.content.pm.IPackageDeleteObserver; 60import android.content.pm.IPackageInstallObserver; 61import android.content.pm.IPackageManager; 62import android.content.pm.IPackageMoveObserver; 63import android.content.pm.IPackageStatsObserver; 64import android.content.pm.InstrumentationInfo; 65import android.content.pm.PackageInfo; 66import android.content.pm.PackageInfoLite; 67import android.content.pm.PackageManager; 68import android.content.pm.PackageParser; 69import android.content.pm.PackageStats; 70import android.content.pm.ParceledListSlice; 71import android.content.pm.PermissionGroupInfo; 72import android.content.pm.PermissionInfo; 73import android.content.pm.ProviderInfo; 74import android.content.pm.ResolveInfo; 75import android.content.pm.ServiceInfo; 76import android.content.pm.Signature; 77import android.content.pm.UserInfo; 78import android.content.pm.ManifestDigest; 79import android.content.pm.VerifierDeviceIdentity; 80import android.content.pm.VerifierInfo; 81import android.net.Uri; 82import android.os.Binder; 83import android.os.Build; 84import android.os.Bundle; 85import android.os.Environment; 86import android.os.FileObserver; 87import android.os.FileUtils; 88import android.os.Handler; 89import android.os.HandlerThread; 90import android.os.IBinder; 91import android.os.Looper; 92import android.os.Message; 93import android.os.Parcel; 94import android.os.ParcelFileDescriptor; 95import android.os.Process; 96import android.os.RemoteException; 97import android.os.ServiceManager; 98import android.os.SystemClock; 99import android.os.SystemProperties; 100import android.os.UserId; 101import android.provider.Settings.Secure; 102import android.security.SystemKeyStore; 103import android.util.DisplayMetrics; 104import android.util.EventLog; 105import android.util.Log; 106import android.util.LogPrinter; 107import android.util.Slog; 108import android.util.SparseArray; 109import android.util.Xml; 110import android.view.Display; 111import android.view.WindowManager; 112 113import java.io.File; 114import java.io.FileDescriptor; 115import java.io.FileInputStream; 116import java.io.FileNotFoundException; 117import java.io.FileOutputStream; 118import java.io.FileReader; 119import java.io.FilenameFilter; 120import java.io.IOException; 121import java.io.PrintWriter; 122import java.security.NoSuchAlgorithmException; 123import java.security.PublicKey; 124import java.security.cert.CertificateException; 125import java.text.SimpleDateFormat; 126import java.util.ArrayList; 127import java.util.Arrays; 128import java.util.Collection; 129import java.util.Collections; 130import java.util.Comparator; 131import java.util.Date; 132import java.util.HashMap; 133import java.util.HashSet; 134import java.util.Iterator; 135import java.util.List; 136import java.util.Map; 137import java.util.Map.Entry; 138import java.util.Set; 139 140import libcore.io.ErrnoException; 141import libcore.io.IoUtils; 142import libcore.io.Libcore; 143 144/** 145 * Keep track of all those .apks everywhere. 146 * 147 * This is very central to the platform's security; please run the unit 148 * tests whenever making modifications here: 149 * 150mmm frameworks/base/tests/AndroidTests 151adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 152adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 153 * 154 * {@hide} 155 */ 156public class PackageManagerService extends IPackageManager.Stub { 157 static final String TAG = "PackageManager"; 158 static final boolean DEBUG_SETTINGS = false; 159 private static final boolean DEBUG_PREFERRED = false; 160 static final boolean DEBUG_UPGRADE = false; 161 private static final boolean DEBUG_INSTALL = false; 162 private static final boolean DEBUG_REMOVE = false; 163 private static final boolean DEBUG_SHOW_INFO = false; 164 private static final boolean DEBUG_PACKAGE_INFO = false; 165 private static final boolean DEBUG_INTENT_MATCHING = false; 166 private static final boolean DEBUG_PACKAGE_SCANNING = false; 167 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 168 private static final boolean DEBUG_VERIFY = false; 169 170 private static final int RADIO_UID = Process.PHONE_UID; 171 private static final int LOG_UID = Process.LOG_UID; 172 private static final int NFC_UID = Process.NFC_UID; 173 174 private static final boolean GET_CERTIFICATES = true; 175 176 private static final int REMOVE_EVENTS = 177 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 178 private static final int ADD_EVENTS = 179 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 180 181 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 182 // Suffix used during package installation when copying/moving 183 // package apks to install directory. 184 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 185 186 static final int SCAN_MONITOR = 1<<0; 187 static final int SCAN_NO_DEX = 1<<1; 188 static final int SCAN_FORCE_DEX = 1<<2; 189 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 190 static final int SCAN_NEW_INSTALL = 1<<4; 191 static final int SCAN_NO_PATHS = 1<<5; 192 static final int SCAN_UPDATE_TIME = 1<<6; 193 static final int SCAN_DEFER_DEX = 1<<7; 194 195 static final int REMOVE_CHATTY = 1<<16; 196 197 /** 198 * Whether verification is enabled by default. 199 */ 200 // STOPSHIP: change this to true 201 private static final boolean DEFAULT_VERIFY_ENABLE = false; 202 203 /** 204 * The default maximum time to wait for the verification agent to return in 205 * milliseconds. 206 */ 207 private static final long DEFAULT_VERIFICATION_TIMEOUT = 60 * 1000; 208 209 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 210 211 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 212 DEFAULT_CONTAINER_PACKAGE, 213 "com.android.defcontainer.DefaultContainerService"); 214 215 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 216 217 private static final String LIB_DIR_NAME = "lib"; 218 219 static final String mTempContainerPrefix = "smdl2tmp"; 220 221 final HandlerThread mHandlerThread = new HandlerThread("PackageManager", 222 Process.THREAD_PRIORITY_BACKGROUND); 223 final PackageHandler mHandler; 224 225 final int mSdkVersion = Build.VERSION.SDK_INT; 226 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 227 ? null : Build.VERSION.CODENAME; 228 229 final Context mContext; 230 final boolean mFactoryTest; 231 final boolean mOnlyCore; 232 final boolean mNoDexOpt; 233 final DisplayMetrics mMetrics; 234 final int mDefParseFlags; 235 final String[] mSeparateProcesses; 236 237 // This is where all application persistent data goes. 238 final File mAppDataDir; 239 240 // This is where all application persistent data goes for secondary users. 241 final File mUserAppDataDir; 242 243 /** The location for ASEC container files on internal storage. */ 244 final String mAsecInternalPath; 245 246 // This is the object monitoring the framework dir. 247 final FileObserver mFrameworkInstallObserver; 248 249 // This is the object monitoring the system app dir. 250 final FileObserver mSystemInstallObserver; 251 252 // This is the object monitoring the system app dir. 253 final FileObserver mVendorInstallObserver; 254 255 // This is the object monitoring mAppInstallDir. 256 final FileObserver mAppInstallObserver; 257 258 // This is the object monitoring mDrmAppPrivateInstallDir. 259 final FileObserver mDrmAppInstallObserver; 260 261 // Used for priviledge escalation. MUST NOT BE CALLED WITH mPackages 262 // LOCK HELD. Can be called with mInstallLock held. 263 final Installer mInstaller; 264 265 final File mFrameworkDir; 266 final File mSystemAppDir; 267 final File mVendorAppDir; 268 final File mAppInstallDir; 269 final File mDalvikCacheDir; 270 271 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 272 // apps. 273 final File mDrmAppPrivateInstallDir; 274 275 // ---------------------------------------------------------------- 276 277 // Lock for state used when installing and doing other long running 278 // operations. Methods that must be called with this lock held have 279 // the prefix "LI". 280 final Object mInstallLock = new Object(); 281 282 // These are the directories in the 3rd party applications installed dir 283 // that we have currently loaded packages from. Keys are the application's 284 // installed zip file (absolute codePath), and values are Package. 285 final HashMap<String, PackageParser.Package> mAppDirs = 286 new HashMap<String, PackageParser.Package>(); 287 288 // Information for the parser to write more useful error messages. 289 File mScanningPath; 290 int mLastScanError; 291 292 final int[] mOutPermissions = new int[3]; 293 294 // ---------------------------------------------------------------- 295 296 // Keys are String (package name), values are Package. This also serves 297 // as the lock for the global state. Methods that must be called with 298 // this lock held have the prefix "LP". 299 final HashMap<String, PackageParser.Package> mPackages = 300 new HashMap<String, PackageParser.Package>(); 301 302 final Settings mSettings; 303 boolean mRestoredSettings; 304 305 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 306 int[] mGlobalGids; 307 308 // These are the built-in uid -> permission mappings that were read from the 309 // etc/permissions.xml file. 310 final SparseArray<HashSet<String>> mSystemPermissions = 311 new SparseArray<HashSet<String>>(); 312 313 // These are the built-in shared libraries that were read from the 314 // etc/permissions.xml file. 315 final HashMap<String, String> mSharedLibraries = new HashMap<String, String>(); 316 317 // Temporary for building the final shared libraries for an .apk. 318 String[] mTmpSharedLibraries = null; 319 320 // These are the features this devices supports that were read from the 321 // etc/permissions.xml file. 322 final HashMap<String, FeatureInfo> mAvailableFeatures = 323 new HashMap<String, FeatureInfo>(); 324 325 // All available activities, for your resolving pleasure. 326 final ActivityIntentResolver mActivities = 327 new ActivityIntentResolver(); 328 329 // All available receivers, for your resolving pleasure. 330 final ActivityIntentResolver mReceivers = 331 new ActivityIntentResolver(); 332 333 // All available services, for your resolving pleasure. 334 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 335 336 // Keys are String (provider class name), values are Provider. 337 final HashMap<ComponentName, PackageParser.Provider> mProvidersByComponent = 338 new HashMap<ComponentName, PackageParser.Provider>(); 339 340 // Mapping from provider base names (first directory in content URI codePath) 341 // to the provider information. 342 final HashMap<String, PackageParser.Provider> mProviders = 343 new HashMap<String, PackageParser.Provider>(); 344 345 // Mapping from instrumentation class names to info about them. 346 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 347 new HashMap<ComponentName, PackageParser.Instrumentation>(); 348 349 // Mapping from permission names to info about them. 350 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 351 new HashMap<String, PackageParser.PermissionGroup>(); 352 353 // Packages whose data we have transfered into another package, thus 354 // should no longer exist. 355 final HashSet<String> mTransferedPackages = new HashSet<String>(); 356 357 // Broadcast actions that are only available to the system. 358 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 359 360 /** List of packages waiting for verification. */ 361 final SparseArray<PackageVerificationState> mPendingVerification 362 = new SparseArray<PackageVerificationState>(); 363 364 final ArrayList<PackageParser.Package> mDeferredDexOpt = 365 new ArrayList<PackageParser.Package>(); 366 367 /** Token for keys in mPendingVerification. */ 368 private int mPendingVerificationToken = 0; 369 370 boolean mSystemReady; 371 boolean mSafeMode; 372 boolean mHasSystemUidErrors; 373 374 ApplicationInfo mAndroidApplication; 375 final ActivityInfo mResolveActivity = new ActivityInfo(); 376 final ResolveInfo mResolveInfo = new ResolveInfo(); 377 ComponentName mResolveComponentName; 378 PackageParser.Package mPlatformPackage; 379 380 // Set of pending broadcasts for aggregating enable/disable of components. 381 final HashMap<String, ArrayList<String>> mPendingBroadcasts 382 = new HashMap<String, ArrayList<String>>(); 383 // Service Connection to remote media container service to copy 384 // package uri's from external media onto secure containers 385 // or internal storage. 386 private IMediaContainerService mContainerService = null; 387 388 static final int SEND_PENDING_BROADCAST = 1; 389 static final int MCS_BOUND = 3; 390 static final int END_COPY = 4; 391 static final int INIT_COPY = 5; 392 static final int MCS_UNBIND = 6; 393 static final int START_CLEANING_PACKAGE = 7; 394 static final int FIND_INSTALL_LOC = 8; 395 static final int POST_INSTALL = 9; 396 static final int MCS_RECONNECT = 10; 397 static final int MCS_GIVE_UP = 11; 398 static final int UPDATED_MEDIA_STATUS = 12; 399 static final int WRITE_SETTINGS = 13; 400 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 401 static final int PACKAGE_VERIFIED = 15; 402 static final int CHECK_PENDING_VERIFICATION = 16; 403 404 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 405 406 // Delay time in millisecs 407 static final int BROADCAST_DELAY = 10 * 1000; 408 409 static UserManager sUserManager; 410 411 // Stores a list of users whose package restrictions file needs to be updated 412 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 413 414 final private DefaultContainerConnection mDefContainerConn = 415 new DefaultContainerConnection(); 416 class DefaultContainerConnection implements ServiceConnection { 417 public void onServiceConnected(ComponentName name, IBinder service) { 418 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 419 IMediaContainerService imcs = 420 IMediaContainerService.Stub.asInterface(service); 421 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 422 } 423 424 public void onServiceDisconnected(ComponentName name) { 425 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 426 } 427 }; 428 429 // Recordkeeping of restore-after-install operations that are currently in flight 430 // between the Package Manager and the Backup Manager 431 class PostInstallData { 432 public InstallArgs args; 433 public PackageInstalledInfo res; 434 435 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 436 args = _a; 437 res = _r; 438 } 439 }; 440 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 441 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 442 443 private final String mRequiredVerifierPackage; 444 445 class PackageHandler extends Handler { 446 private boolean mBound = false; 447 final ArrayList<HandlerParams> mPendingInstalls = 448 new ArrayList<HandlerParams>(); 449 450 private boolean connectToService() { 451 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 452 " DefaultContainerService"); 453 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 454 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 455 if (mContext.bindService(service, mDefContainerConn, 456 Context.BIND_AUTO_CREATE)) { 457 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 458 mBound = true; 459 return true; 460 } 461 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 462 return false; 463 } 464 465 private void disconnectService() { 466 mContainerService = null; 467 mBound = false; 468 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 469 mContext.unbindService(mDefContainerConn); 470 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 471 } 472 473 PackageHandler(Looper looper) { 474 super(looper); 475 } 476 477 public void handleMessage(Message msg) { 478 try { 479 doHandleMessage(msg); 480 } finally { 481 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 482 } 483 } 484 485 void doHandleMessage(Message msg) { 486 switch (msg.what) { 487 case INIT_COPY: { 488 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy"); 489 HandlerParams params = (HandlerParams) msg.obj; 490 int idx = mPendingInstalls.size(); 491 if (DEBUG_INSTALL) Slog.i(TAG, "idx=" + idx); 492 // If a bind was already initiated we dont really 493 // need to do anything. The pending install 494 // will be processed later on. 495 if (!mBound) { 496 // If this is the only one pending we might 497 // have to bind to the service again. 498 if (!connectToService()) { 499 Slog.e(TAG, "Failed to bind to media container service"); 500 params.serviceError(); 501 return; 502 } else { 503 // Once we bind to the service, the first 504 // pending request will be processed. 505 mPendingInstalls.add(idx, params); 506 } 507 } else { 508 mPendingInstalls.add(idx, params); 509 // Already bound to the service. Just make 510 // sure we trigger off processing the first request. 511 if (idx == 0) { 512 mHandler.sendEmptyMessage(MCS_BOUND); 513 } 514 } 515 break; 516 } 517 case MCS_BOUND: { 518 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 519 if (msg.obj != null) { 520 mContainerService = (IMediaContainerService) msg.obj; 521 } 522 if (mContainerService == null) { 523 // Something seriously wrong. Bail out 524 Slog.e(TAG, "Cannot bind to media container service"); 525 for (HandlerParams params : mPendingInstalls) { 526 // Indicate service bind error 527 params.serviceError(); 528 } 529 mPendingInstalls.clear(); 530 } else if (mPendingInstalls.size() > 0) { 531 HandlerParams params = mPendingInstalls.get(0); 532 if (params != null) { 533 if (params.startCopy()) { 534 // We are done... look for more work or to 535 // go idle. 536 if (DEBUG_SD_INSTALL) Log.i(TAG, 537 "Checking for more work or unbind..."); 538 // Delete pending install 539 if (mPendingInstalls.size() > 0) { 540 mPendingInstalls.remove(0); 541 } 542 if (mPendingInstalls.size() == 0) { 543 if (mBound) { 544 if (DEBUG_SD_INSTALL) Log.i(TAG, 545 "Posting delayed MCS_UNBIND"); 546 removeMessages(MCS_UNBIND); 547 Message ubmsg = obtainMessage(MCS_UNBIND); 548 // Unbind after a little delay, to avoid 549 // continual thrashing. 550 sendMessageDelayed(ubmsg, 10000); 551 } 552 } else { 553 // There are more pending requests in queue. 554 // Just post MCS_BOUND message to trigger processing 555 // of next pending install. 556 if (DEBUG_SD_INSTALL) Log.i(TAG, 557 "Posting MCS_BOUND for next woek"); 558 mHandler.sendEmptyMessage(MCS_BOUND); 559 } 560 } 561 } 562 } else { 563 // Should never happen ideally. 564 Slog.w(TAG, "Empty queue"); 565 } 566 break; 567 } 568 case MCS_RECONNECT: { 569 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 570 if (mPendingInstalls.size() > 0) { 571 if (mBound) { 572 disconnectService(); 573 } 574 if (!connectToService()) { 575 Slog.e(TAG, "Failed to bind to media container service"); 576 for (HandlerParams params : mPendingInstalls) { 577 // Indicate service bind error 578 params.serviceError(); 579 } 580 mPendingInstalls.clear(); 581 } 582 } 583 break; 584 } 585 case MCS_UNBIND: { 586 // If there is no actual work left, then time to unbind. 587 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 588 589 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 590 if (mBound) { 591 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 592 593 disconnectService(); 594 } 595 } else if (mPendingInstalls.size() > 0) { 596 // There are more pending requests in queue. 597 // Just post MCS_BOUND message to trigger processing 598 // of next pending install. 599 mHandler.sendEmptyMessage(MCS_BOUND); 600 } 601 602 break; 603 } 604 case MCS_GIVE_UP: { 605 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 606 mPendingInstalls.remove(0); 607 break; 608 } 609 case SEND_PENDING_BROADCAST: { 610 String packages[]; 611 ArrayList<String> components[]; 612 int size = 0; 613 int uids[]; 614 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 615 synchronized (mPackages) { 616 if (mPendingBroadcasts == null) { 617 return; 618 } 619 size = mPendingBroadcasts.size(); 620 if (size <= 0) { 621 // Nothing to be done. Just return 622 return; 623 } 624 packages = new String[size]; 625 components = new ArrayList[size]; 626 uids = new int[size]; 627 Iterator<Map.Entry<String, ArrayList<String>>> 628 it = mPendingBroadcasts.entrySet().iterator(); 629 int i = 0; 630 while (it.hasNext() && i < size) { 631 Map.Entry<String, ArrayList<String>> ent = it.next(); 632 packages[i] = ent.getKey(); 633 components[i] = ent.getValue(); 634 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 635 uids[i] = (ps != null) ? ps.appId : -1; 636 i++; 637 } 638 size = i; 639 mPendingBroadcasts.clear(); 640 } 641 // Send broadcasts 642 for (int i = 0; i < size; i++) { 643 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 644 } 645 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 646 break; 647 } 648 case START_CLEANING_PACKAGE: { 649 String packageName = (String)msg.obj; 650 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 651 synchronized (mPackages) { 652 if (!mSettings.mPackagesToBeCleaned.contains(packageName)) { 653 mSettings.mPackagesToBeCleaned.add(packageName); 654 } 655 } 656 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 657 startCleaningPackages(); 658 } break; 659 case POST_INSTALL: { 660 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 661 PostInstallData data = mRunningInstalls.get(msg.arg1); 662 mRunningInstalls.delete(msg.arg1); 663 boolean deleteOld = false; 664 665 if (data != null) { 666 InstallArgs args = data.args; 667 PackageInstalledInfo res = data.res; 668 669 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 670 res.removedInfo.sendBroadcast(false, true); 671 Bundle extras = new Bundle(1); 672 extras.putInt(Intent.EXTRA_UID, res.uid); 673 final boolean update = res.removedInfo.removedPackage != null; 674 if (update) { 675 extras.putBoolean(Intent.EXTRA_REPLACING, true); 676 } 677 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 678 res.pkg.applicationInfo.packageName, 679 extras, null, null, UserId.USER_ALL); 680 if (update) { 681 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 682 res.pkg.applicationInfo.packageName, 683 extras, null, null, UserId.USER_ALL); 684 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 685 null, null, 686 res.pkg.applicationInfo.packageName, null, 687 UserId.USER_ALL); 688 } 689 if (res.removedInfo.args != null) { 690 // Remove the replaced package's older resources safely now 691 deleteOld = true; 692 } 693 } 694 // Force a gc to clear up things 695 Runtime.getRuntime().gc(); 696 // We delete after a gc for applications on sdcard. 697 if (deleteOld) { 698 synchronized (mInstallLock) { 699 res.removedInfo.args.doPostDeleteLI(true); 700 } 701 } 702 if (args.observer != null) { 703 try { 704 args.observer.packageInstalled(res.name, res.returnCode); 705 } catch (RemoteException e) { 706 Slog.i(TAG, "Observer no longer exists."); 707 } 708 } 709 } else { 710 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 711 } 712 } break; 713 case UPDATED_MEDIA_STATUS: { 714 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 715 boolean reportStatus = msg.arg1 == 1; 716 boolean doGc = msg.arg2 == 1; 717 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 718 if (doGc) { 719 // Force a gc to clear up stale containers. 720 Runtime.getRuntime().gc(); 721 } 722 if (msg.obj != null) { 723 @SuppressWarnings("unchecked") 724 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 725 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 726 // Unload containers 727 unloadAllContainers(args); 728 } 729 if (reportStatus) { 730 try { 731 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 732 PackageHelper.getMountService().finishMediaUpdate(); 733 } catch (RemoteException e) { 734 Log.e(TAG, "MountService not running?"); 735 } 736 } 737 } break; 738 case WRITE_SETTINGS: { 739 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 740 synchronized (mPackages) { 741 removeMessages(WRITE_SETTINGS); 742 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 743 mSettings.writeLPr(); 744 mDirtyUsers.clear(); 745 } 746 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 747 } break; 748 case WRITE_PACKAGE_RESTRICTIONS: { 749 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 750 synchronized (mPackages) { 751 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 752 for (int userId : mDirtyUsers) { 753 mSettings.writePackageRestrictionsLPr(userId); 754 } 755 mDirtyUsers.clear(); 756 } 757 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 758 } break; 759 case CHECK_PENDING_VERIFICATION: { 760 final int verificationId = msg.arg1; 761 final PackageVerificationState state = mPendingVerification.get(verificationId); 762 763 if (state != null) { 764 final InstallArgs args = state.getInstallArgs(); 765 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 766 mPendingVerification.remove(verificationId); 767 768 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_TIMEOUT; 769 processPendingInstall(args, ret); 770 771 mHandler.sendEmptyMessage(MCS_UNBIND); 772 } 773 774 break; 775 } 776 case PACKAGE_VERIFIED: { 777 final int verificationId = msg.arg1; 778 779 final PackageVerificationState state = mPendingVerification.get(verificationId); 780 if (state == null) { 781 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 782 break; 783 } 784 785 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 786 787 state.setVerifierResponse(response.callerUid, response.code); 788 789 if (state.isVerificationComplete()) { 790 mPendingVerification.remove(verificationId); 791 792 final InstallArgs args = state.getInstallArgs(); 793 794 int ret; 795 if (state.isInstallAllowed()) { 796 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 797 try { 798 ret = args.copyApk(mContainerService, true); 799 } catch (RemoteException e) { 800 Slog.e(TAG, "Could not contact the ContainerService"); 801 } 802 } else { 803 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 804 } 805 806 processPendingInstall(args, ret); 807 808 mHandler.sendEmptyMessage(MCS_UNBIND); 809 } 810 811 break; 812 } 813 } 814 } 815 } 816 817 void scheduleWriteSettingsLocked() { 818 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 819 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 820 } 821 } 822 823 void scheduleWritePackageRestrictionsLocked(int userId) { 824 if (!sUserManager.exists(userId)) return; 825 mDirtyUsers.add(userId); 826 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 827 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 828 } 829 } 830 831 public static final IPackageManager main(Context context, boolean factoryTest, 832 boolean onlyCore) { 833 PackageManagerService m = new PackageManagerService(context, factoryTest, onlyCore); 834 ServiceManager.addService("package", m); 835 return m; 836 } 837 838 static String[] splitString(String str, char sep) { 839 int count = 1; 840 int i = 0; 841 while ((i=str.indexOf(sep, i)) >= 0) { 842 count++; 843 i++; 844 } 845 846 String[] res = new String[count]; 847 i=0; 848 count = 0; 849 int lastI=0; 850 while ((i=str.indexOf(sep, i)) >= 0) { 851 res[count] = str.substring(lastI, i); 852 count++; 853 i++; 854 lastI = i; 855 } 856 res[count] = str.substring(lastI, str.length()); 857 return res; 858 } 859 860 public PackageManagerService(Context context, boolean factoryTest, boolean onlyCore) { 861 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 862 SystemClock.uptimeMillis()); 863 864 if (mSdkVersion <= 0) { 865 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 866 } 867 868 mContext = context; 869 mFactoryTest = factoryTest; 870 mOnlyCore = onlyCore; 871 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 872 mMetrics = new DisplayMetrics(); 873 mSettings = new Settings(); 874 mSettings.addSharedUserLPw("android.uid.system", 875 Process.SYSTEM_UID, ApplicationInfo.FLAG_SYSTEM); 876 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, ApplicationInfo.FLAG_SYSTEM); 877 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, ApplicationInfo.FLAG_SYSTEM); 878 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, ApplicationInfo.FLAG_SYSTEM); 879 880 String separateProcesses = SystemProperties.get("debug.separate_processes"); 881 if (separateProcesses != null && separateProcesses.length() > 0) { 882 if ("*".equals(separateProcesses)) { 883 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 884 mSeparateProcesses = null; 885 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 886 } else { 887 mDefParseFlags = 0; 888 mSeparateProcesses = separateProcesses.split(","); 889 Slog.w(TAG, "Running with debug.separate_processes: " 890 + separateProcesses); 891 } 892 } else { 893 mDefParseFlags = 0; 894 mSeparateProcesses = null; 895 } 896 897 mInstaller = new Installer(); 898 899 WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 900 Display d = wm.getDefaultDisplay(); 901 d.getMetrics(mMetrics); 902 903 synchronized (mInstallLock) { 904 // writer 905 synchronized (mPackages) { 906 mHandlerThread.start(); 907 mHandler = new PackageHandler(mHandlerThread.getLooper()); 908 909 File dataDir = Environment.getDataDirectory(); 910 mAppDataDir = new File(dataDir, "data"); 911 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 912 mUserAppDataDir = new File(dataDir, "user"); 913 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 914 915 sUserManager = new UserManager(mInstaller, mUserAppDataDir); 916 917 readPermissions(); 918 919 mRestoredSettings = mSettings.readLPw(getUsers()); 920 long startTime = SystemClock.uptimeMillis(); 921 922 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 923 startTime); 924 925 // Set flag to monitor and not change apk file paths when 926 // scanning install directories. 927 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX; 928 if (mNoDexOpt) { 929 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 930 scanMode |= SCAN_NO_DEX; 931 } 932 933 final HashSet<String> libFiles = new HashSet<String>(); 934 935 mFrameworkDir = new File(Environment.getRootDirectory(), "framework"); 936 mDalvikCacheDir = new File(dataDir, "dalvik-cache"); 937 938 boolean didDexOpt = false; 939 940 /** 941 * Out of paranoia, ensure that everything in the boot class 942 * path has been dexed. 943 */ 944 String bootClassPath = System.getProperty("java.boot.class.path"); 945 if (bootClassPath != null) { 946 String[] paths = splitString(bootClassPath, ':'); 947 for (int i=0; i<paths.length; i++) { 948 try { 949 if (dalvik.system.DexFile.isDexOptNeeded(paths[i])) { 950 libFiles.add(paths[i]); 951 mInstaller.dexopt(paths[i], Process.SYSTEM_UID, true); 952 didDexOpt = true; 953 } 954 } catch (FileNotFoundException e) { 955 Slog.w(TAG, "Boot class path not found: " + paths[i]); 956 } catch (IOException e) { 957 Slog.w(TAG, "Cannot dexopt " + paths[i] + "; is it an APK or JAR? " 958 + e.getMessage()); 959 } 960 } 961 } else { 962 Slog.w(TAG, "No BOOTCLASSPATH found!"); 963 } 964 965 /** 966 * Also ensure all external libraries have had dexopt run on them. 967 */ 968 if (mSharedLibraries.size() > 0) { 969 Iterator<String> libs = mSharedLibraries.values().iterator(); 970 while (libs.hasNext()) { 971 String lib = libs.next(); 972 try { 973 if (dalvik.system.DexFile.isDexOptNeeded(lib)) { 974 libFiles.add(lib); 975 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 976 didDexOpt = true; 977 } 978 } catch (FileNotFoundException e) { 979 Slog.w(TAG, "Library not found: " + lib); 980 } catch (IOException e) { 981 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 982 + e.getMessage()); 983 } 984 } 985 } 986 987 // Gross hack for now: we know this file doesn't contain any 988 // code, so don't dexopt it to avoid the resulting log spew. 989 libFiles.add(mFrameworkDir.getPath() + "/framework-res.apk"); 990 991 /** 992 * And there are a number of commands implemented in Java, which 993 * we currently need to do the dexopt on so that they can be 994 * run from a non-root shell. 995 */ 996 String[] frameworkFiles = mFrameworkDir.list(); 997 if (frameworkFiles != null) { 998 for (int i=0; i<frameworkFiles.length; i++) { 999 File libPath = new File(mFrameworkDir, frameworkFiles[i]); 1000 String path = libPath.getPath(); 1001 // Skip the file if we alrady did it. 1002 if (libFiles.contains(path)) { 1003 continue; 1004 } 1005 // Skip the file if it is not a type we want to dexopt. 1006 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1007 continue; 1008 } 1009 try { 1010 if (dalvik.system.DexFile.isDexOptNeeded(path)) { 1011 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1012 didDexOpt = true; 1013 } 1014 } catch (FileNotFoundException e) { 1015 Slog.w(TAG, "Jar not found: " + path); 1016 } catch (IOException e) { 1017 Slog.w(TAG, "Exception reading jar: " + path, e); 1018 } 1019 } 1020 } 1021 1022 if (didDexOpt) { 1023 // If we had to do a dexopt of one of the previous 1024 // things, then something on the system has changed. 1025 // Consider this significant, and wipe away all other 1026 // existing dexopt files to ensure we don't leave any 1027 // dangling around. 1028 String[] files = mDalvikCacheDir.list(); 1029 if (files != null) { 1030 for (int i=0; i<files.length; i++) { 1031 String fn = files[i]; 1032 if (fn.startsWith("data@app@") 1033 || fn.startsWith("data@app-private@")) { 1034 Slog.i(TAG, "Pruning dalvik file: " + fn); 1035 (new File(mDalvikCacheDir, fn)).delete(); 1036 } 1037 } 1038 } 1039 } 1040 1041 // Find base frameworks (resource packages without code). 1042 mFrameworkInstallObserver = new AppDirObserver( 1043 mFrameworkDir.getPath(), OBSERVER_EVENTS, true); 1044 mFrameworkInstallObserver.startWatching(); 1045 scanDirLI(mFrameworkDir, PackageParser.PARSE_IS_SYSTEM 1046 | PackageParser.PARSE_IS_SYSTEM_DIR, 1047 scanMode | SCAN_NO_DEX, 0); 1048 1049 // Collect all system packages. 1050 mSystemAppDir = new File(Environment.getRootDirectory(), "app"); 1051 mSystemInstallObserver = new AppDirObserver( 1052 mSystemAppDir.getPath(), OBSERVER_EVENTS, true); 1053 mSystemInstallObserver.startWatching(); 1054 scanDirLI(mSystemAppDir, PackageParser.PARSE_IS_SYSTEM 1055 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1056 1057 // Collect all vendor packages. 1058 mVendorAppDir = new File("/vendor/app"); 1059 mVendorInstallObserver = new AppDirObserver( 1060 mVendorAppDir.getPath(), OBSERVER_EVENTS, true); 1061 mVendorInstallObserver.startWatching(); 1062 scanDirLI(mVendorAppDir, PackageParser.PARSE_IS_SYSTEM 1063 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1064 1065 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1066 mInstaller.moveFiles(); 1067 1068 // Prune any system packages that no longer exist. 1069 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1070 if (!mOnlyCore) { 1071 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1072 while (psit.hasNext()) { 1073 PackageSetting ps = psit.next(); 1074 1075 /* 1076 * If this is not a system app, it can't be a 1077 * disable system app. 1078 */ 1079 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1080 continue; 1081 } 1082 1083 /* 1084 * If the package is scanned, it's not erased. 1085 */ 1086 if (mPackages.containsKey(ps.name)) { 1087 /* 1088 * If the system app is both scanned and in the 1089 * disabled packages list, then it must have been 1090 * added via OTA. Remove it from the currently 1091 * scanned package so the previously user-installed 1092 * application can be scanned. 1093 */ 1094 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1095 mPackages.remove(ps.name); 1096 } 1097 1098 continue; 1099 } 1100 1101 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1102 psit.remove(); 1103 String msg = "System package " + ps.name 1104 + " no longer exists; wiping its data"; 1105 reportSettingsProblem(Log.WARN, msg); 1106 mInstaller.remove(ps.name, 0); 1107 sUserManager.removePackageForAllUsers(ps.name); 1108 } else { 1109 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1110 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1111 possiblyDeletedUpdatedSystemApps.add(ps.name); 1112 } 1113 } 1114 } 1115 } 1116 1117 mAppInstallDir = new File(dataDir, "app"); 1118 //look for any incomplete package installations 1119 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1120 //clean up list 1121 for(int i = 0; i < deletePkgsList.size(); i++) { 1122 //clean up here 1123 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1124 } 1125 //delete tmp files 1126 deleteTempPackageFiles(); 1127 1128 if (!mOnlyCore) { 1129 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1130 SystemClock.uptimeMillis()); 1131 mAppInstallObserver = new AppDirObserver( 1132 mAppInstallDir.getPath(), OBSERVER_EVENTS, false); 1133 mAppInstallObserver.startWatching(); 1134 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1135 1136 mDrmAppInstallObserver = new AppDirObserver( 1137 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false); 1138 mDrmAppInstallObserver.startWatching(); 1139 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1140 scanMode, 0); 1141 1142 /** 1143 * Remove disable package settings for any updated system 1144 * apps that were removed via an OTA. If they're not a 1145 * previously-updated app, remove them completely. 1146 * Otherwise, just revoke their system-level permissions. 1147 */ 1148 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1149 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1150 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1151 1152 String msg; 1153 if (deletedPkg == null) { 1154 msg = "Updated system package " + deletedAppName 1155 + " no longer exists; wiping its data"; 1156 1157 mInstaller.remove(deletedAppName, 0); 1158 sUserManager.removePackageForAllUsers(deletedAppName); 1159 } else { 1160 msg = "Updated system app + " + deletedAppName 1161 + " no longer present; removing system privileges for " 1162 + deletedAppName; 1163 1164 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1165 1166 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1167 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1168 } 1169 reportSettingsProblem(Log.WARN, msg); 1170 } 1171 } else { 1172 mAppInstallObserver = null; 1173 mDrmAppInstallObserver = null; 1174 } 1175 1176 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1177 SystemClock.uptimeMillis()); 1178 Slog.i(TAG, "Time to scan packages: " 1179 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1180 + " seconds"); 1181 1182 // If the platform SDK has changed since the last time we booted, 1183 // we need to re-grant app permission to catch any new ones that 1184 // appear. This is really a hack, and means that apps can in some 1185 // cases get permissions that the user didn't initially explicitly 1186 // allow... it would be nice to have some better way to handle 1187 // this situation. 1188 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1189 != mSdkVersion; 1190 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1191 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1192 + "; regranting permissions for internal storage"); 1193 mSettings.mInternalSdkPlatform = mSdkVersion; 1194 1195 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1196 | (regrantPermissions 1197 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1198 : 0)); 1199 1200 // Verify that all of the preferred activity components actually 1201 // exist. It is possible for applications to be updated and at 1202 // that point remove a previously declared activity component that 1203 // had been set as a preferred activity. We try to clean this up 1204 // the next time we encounter that preferred activity, but it is 1205 // possible for the user flow to never be able to return to that 1206 // situation so here we do a sanity check to make sure we haven't 1207 // left any junk around. 1208 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 1209 for (PreferredActivity pa : mSettings.mPreferredActivities.filterSet()) { 1210 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 1211 removed.add(pa); 1212 } 1213 } 1214 for (int i=0; i<removed.size(); i++) { 1215 PreferredActivity pa = removed.get(i); 1216 Slog.w(TAG, "Removing dangling preferred activity: " 1217 + pa.mPref.mComponent); 1218 mSettings.mPreferredActivities.removeFilter(pa); 1219 } 1220 1221 // can downgrade to reader 1222 mSettings.writeLPr(); 1223 1224 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1225 SystemClock.uptimeMillis()); 1226 1227 // Now after opening every single application zip, make sure they 1228 // are all flushed. Not really needed, but keeps things nice and 1229 // tidy. 1230 Runtime.getRuntime().gc(); 1231 1232 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1233 } // synchronized (mPackages) 1234 } // synchronized (mInstallLock) 1235 } 1236 1237 public boolean isFirstBoot() { 1238 return !mRestoredSettings; 1239 } 1240 1241 private String getRequiredVerifierLPr() { 1242 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1243 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1244 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1245 1246 String requiredVerifier = null; 1247 1248 final int N = receivers.size(); 1249 for (int i = 0; i < N; i++) { 1250 final ResolveInfo info = receivers.get(i); 1251 1252 if (info.activityInfo == null) { 1253 continue; 1254 } 1255 1256 final String packageName = info.activityInfo.packageName; 1257 1258 final PackageSetting ps = mSettings.mPackages.get(packageName); 1259 if (ps == null) { 1260 continue; 1261 } 1262 1263 if (!ps.grantedPermissions 1264 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1265 continue; 1266 } 1267 1268 if (requiredVerifier != null) { 1269 throw new RuntimeException("There can be only one required verifier"); 1270 } 1271 1272 requiredVerifier = packageName; 1273 } 1274 1275 return requiredVerifier; 1276 } 1277 1278 @Override 1279 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1280 throws RemoteException { 1281 try { 1282 return super.onTransact(code, data, reply, flags); 1283 } catch (RuntimeException e) { 1284 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1285 Slog.e(TAG, "Package Manager Crash", e); 1286 } 1287 throw e; 1288 } 1289 } 1290 1291 void cleanupInstallFailedPackage(PackageSetting ps) { 1292 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1293 int retCode = mInstaller.remove(ps.name, 0); 1294 if (retCode < 0) { 1295 Slog.w(TAG, "Couldn't remove app data directory for package: " 1296 + ps.name + ", retcode=" + retCode); 1297 } else { 1298 sUserManager.removePackageForAllUsers(ps.name); 1299 } 1300 if (ps.codePath != null) { 1301 if (!ps.codePath.delete()) { 1302 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1303 } 1304 } 1305 if (ps.resourcePath != null) { 1306 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1307 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1308 } 1309 } 1310 mSettings.removePackageLPw(ps.name); 1311 } 1312 1313 void readPermissions() { 1314 // Read permissions from .../etc/permission directory. 1315 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1316 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1317 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1318 return; 1319 } 1320 if (!libraryDir.canRead()) { 1321 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1322 return; 1323 } 1324 1325 // Iterate over the files in the directory and scan .xml files 1326 for (File f : libraryDir.listFiles()) { 1327 // We'll read platform.xml last 1328 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1329 continue; 1330 } 1331 1332 if (!f.getPath().endsWith(".xml")) { 1333 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1334 continue; 1335 } 1336 if (!f.canRead()) { 1337 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1338 continue; 1339 } 1340 1341 readPermissionsFromXml(f); 1342 } 1343 1344 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1345 final File permFile = new File(Environment.getRootDirectory(), 1346 "etc/permissions/platform.xml"); 1347 readPermissionsFromXml(permFile); 1348 } 1349 1350 private void readPermissionsFromXml(File permFile) { 1351 FileReader permReader = null; 1352 try { 1353 permReader = new FileReader(permFile); 1354 } catch (FileNotFoundException e) { 1355 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1356 return; 1357 } 1358 1359 try { 1360 XmlPullParser parser = Xml.newPullParser(); 1361 parser.setInput(permReader); 1362 1363 XmlUtils.beginDocument(parser, "permissions"); 1364 1365 while (true) { 1366 XmlUtils.nextElement(parser); 1367 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1368 break; 1369 } 1370 1371 String name = parser.getName(); 1372 if ("group".equals(name)) { 1373 String gidStr = parser.getAttributeValue(null, "gid"); 1374 if (gidStr != null) { 1375 int gid = Integer.parseInt(gidStr); 1376 mGlobalGids = appendInt(mGlobalGids, gid); 1377 } else { 1378 Slog.w(TAG, "<group> without gid at " 1379 + parser.getPositionDescription()); 1380 } 1381 1382 XmlUtils.skipCurrentTag(parser); 1383 continue; 1384 } else if ("permission".equals(name)) { 1385 String perm = parser.getAttributeValue(null, "name"); 1386 if (perm == null) { 1387 Slog.w(TAG, "<permission> without name at " 1388 + parser.getPositionDescription()); 1389 XmlUtils.skipCurrentTag(parser); 1390 continue; 1391 } 1392 perm = perm.intern(); 1393 readPermission(parser, perm); 1394 1395 } else if ("assign-permission".equals(name)) { 1396 String perm = parser.getAttributeValue(null, "name"); 1397 if (perm == null) { 1398 Slog.w(TAG, "<assign-permission> without name at " 1399 + parser.getPositionDescription()); 1400 XmlUtils.skipCurrentTag(parser); 1401 continue; 1402 } 1403 String uidStr = parser.getAttributeValue(null, "uid"); 1404 if (uidStr == null) { 1405 Slog.w(TAG, "<assign-permission> without uid at " 1406 + parser.getPositionDescription()); 1407 XmlUtils.skipCurrentTag(parser); 1408 continue; 1409 } 1410 int uid = Process.getUidForName(uidStr); 1411 if (uid < 0) { 1412 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1413 + uidStr + "\" at " 1414 + parser.getPositionDescription()); 1415 XmlUtils.skipCurrentTag(parser); 1416 continue; 1417 } 1418 perm = perm.intern(); 1419 HashSet<String> perms = mSystemPermissions.get(uid); 1420 if (perms == null) { 1421 perms = new HashSet<String>(); 1422 mSystemPermissions.put(uid, perms); 1423 } 1424 perms.add(perm); 1425 XmlUtils.skipCurrentTag(parser); 1426 1427 } else if ("library".equals(name)) { 1428 String lname = parser.getAttributeValue(null, "name"); 1429 String lfile = parser.getAttributeValue(null, "file"); 1430 if (lname == null) { 1431 Slog.w(TAG, "<library> without name at " 1432 + parser.getPositionDescription()); 1433 } else if (lfile == null) { 1434 Slog.w(TAG, "<library> without file at " 1435 + parser.getPositionDescription()); 1436 } else { 1437 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1438 mSharedLibraries.put(lname, lfile); 1439 } 1440 XmlUtils.skipCurrentTag(parser); 1441 continue; 1442 1443 } else if ("feature".equals(name)) { 1444 String fname = parser.getAttributeValue(null, "name"); 1445 if (fname == null) { 1446 Slog.w(TAG, "<feature> without name at " 1447 + parser.getPositionDescription()); 1448 } else { 1449 //Log.i(TAG, "Got feature " + fname); 1450 FeatureInfo fi = new FeatureInfo(); 1451 fi.name = fname; 1452 mAvailableFeatures.put(fname, fi); 1453 } 1454 XmlUtils.skipCurrentTag(parser); 1455 continue; 1456 1457 } else { 1458 XmlUtils.skipCurrentTag(parser); 1459 continue; 1460 } 1461 1462 } 1463 permReader.close(); 1464 } catch (XmlPullParserException e) { 1465 Slog.w(TAG, "Got execption parsing permissions.", e); 1466 } catch (IOException e) { 1467 Slog.w(TAG, "Got execption parsing permissions.", e); 1468 } 1469 } 1470 1471 void readPermission(XmlPullParser parser, String name) 1472 throws IOException, XmlPullParserException { 1473 1474 name = name.intern(); 1475 1476 BasePermission bp = mSettings.mPermissions.get(name); 1477 if (bp == null) { 1478 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1479 mSettings.mPermissions.put(name, bp); 1480 } 1481 int outerDepth = parser.getDepth(); 1482 int type; 1483 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1484 && (type != XmlPullParser.END_TAG 1485 || parser.getDepth() > outerDepth)) { 1486 if (type == XmlPullParser.END_TAG 1487 || type == XmlPullParser.TEXT) { 1488 continue; 1489 } 1490 1491 String tagName = parser.getName(); 1492 if ("group".equals(tagName)) { 1493 String gidStr = parser.getAttributeValue(null, "gid"); 1494 if (gidStr != null) { 1495 int gid = Process.getGidForName(gidStr); 1496 bp.gids = appendInt(bp.gids, gid); 1497 } else { 1498 Slog.w(TAG, "<group> without gid at " 1499 + parser.getPositionDescription()); 1500 } 1501 } 1502 XmlUtils.skipCurrentTag(parser); 1503 } 1504 } 1505 1506 static int[] appendInts(int[] cur, int[] add) { 1507 if (add == null) return cur; 1508 if (cur == null) return add; 1509 final int N = add.length; 1510 for (int i=0; i<N; i++) { 1511 cur = appendInt(cur, add[i]); 1512 } 1513 return cur; 1514 } 1515 1516 static int[] removeInts(int[] cur, int[] rem) { 1517 if (rem == null) return cur; 1518 if (cur == null) return cur; 1519 final int N = rem.length; 1520 for (int i=0; i<N; i++) { 1521 cur = removeInt(cur, rem[i]); 1522 } 1523 return cur; 1524 } 1525 1526 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1527 if (!sUserManager.exists(userId)) return null; 1528 PackageInfo pi; 1529 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1530 // The package has been uninstalled but has retained data and resources. 1531 pi = PackageParser.generatePackageInfo(p, null, flags, 0, 0, null, false, 0, userId); 1532 } else { 1533 final PackageSetting ps = (PackageSetting) p.mExtras; 1534 if (ps == null) { 1535 return null; 1536 } 1537 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1538 pi = PackageParser.generatePackageInfo(p, gp.gids, flags, 1539 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1540 ps.getStopped(userId), ps.getEnabled(userId), userId); 1541 pi.applicationInfo.enabledSetting = ps.getEnabled(userId); 1542 pi.applicationInfo.enabled = 1543 pi.applicationInfo.enabledSetting == COMPONENT_ENABLED_STATE_DEFAULT 1544 || pi.applicationInfo.enabledSetting == COMPONENT_ENABLED_STATE_ENABLED; 1545 } 1546 return pi; 1547 } 1548 1549 @Override 1550 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1551 if (!sUserManager.exists(userId)) return null; 1552 // reader 1553 synchronized (mPackages) { 1554 PackageParser.Package p = mPackages.get(packageName); 1555 if (DEBUG_PACKAGE_INFO) 1556 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1557 if (p != null) { 1558 return generatePackageInfo(p, flags, userId); 1559 } 1560 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1561 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1562 } 1563 } 1564 return null; 1565 } 1566 1567 public String[] currentToCanonicalPackageNames(String[] names) { 1568 String[] out = new String[names.length]; 1569 // reader 1570 synchronized (mPackages) { 1571 for (int i=names.length-1; i>=0; i--) { 1572 PackageSetting ps = mSettings.mPackages.get(names[i]); 1573 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1574 } 1575 } 1576 return out; 1577 } 1578 1579 public String[] canonicalToCurrentPackageNames(String[] names) { 1580 String[] out = new String[names.length]; 1581 // reader 1582 synchronized (mPackages) { 1583 for (int i=names.length-1; i>=0; i--) { 1584 String cur = mSettings.mRenamedPackages.get(names[i]); 1585 out[i] = cur != null ? cur : names[i]; 1586 } 1587 } 1588 return out; 1589 } 1590 1591 @Override 1592 public int getPackageUid(String packageName, int userId) { 1593 if (!sUserManager.exists(userId)) return -1; 1594 // reader 1595 synchronized (mPackages) { 1596 PackageParser.Package p = mPackages.get(packageName); 1597 if(p != null) { 1598 return UserId.getUid(userId, p.applicationInfo.uid); 1599 } 1600 PackageSetting ps = mSettings.mPackages.get(packageName); 1601 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1602 return -1; 1603 } 1604 p = ps.pkg; 1605 return p != null ? UserId.getUid(userId, p.applicationInfo.uid) : -1; 1606 } 1607 } 1608 1609 public int[] getPackageGids(String packageName) { 1610 // reader 1611 synchronized (mPackages) { 1612 PackageParser.Package p = mPackages.get(packageName); 1613 if (DEBUG_PACKAGE_INFO) 1614 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1615 if (p != null) { 1616 final PackageSetting ps = (PackageSetting)p.mExtras; 1617 final SharedUserSetting suid = ps.sharedUser; 1618 int[] gids = suid != null ? suid.gids : ps.gids; 1619 1620 // include GIDs for any unenforced permissions 1621 if (!isPermissionEnforcedLocked(READ_EXTERNAL_STORAGE)) { 1622 final BasePermission basePerm = mSettings.mPermissions.get( 1623 READ_EXTERNAL_STORAGE); 1624 gids = appendInts(gids, basePerm.gids); 1625 } 1626 1627 return gids; 1628 } 1629 } 1630 // stupid thing to indicate an error. 1631 return new int[0]; 1632 } 1633 1634 static final PermissionInfo generatePermissionInfo( 1635 BasePermission bp, int flags) { 1636 if (bp.perm != null) { 1637 return PackageParser.generatePermissionInfo(bp.perm, flags); 1638 } 1639 PermissionInfo pi = new PermissionInfo(); 1640 pi.name = bp.name; 1641 pi.packageName = bp.sourcePackage; 1642 pi.nonLocalizedLabel = bp.name; 1643 pi.protectionLevel = bp.protectionLevel; 1644 return pi; 1645 } 1646 1647 public PermissionInfo getPermissionInfo(String name, int flags) { 1648 // reader 1649 synchronized (mPackages) { 1650 final BasePermission p = mSettings.mPermissions.get(name); 1651 if (p != null) { 1652 return generatePermissionInfo(p, flags); 1653 } 1654 return null; 1655 } 1656 } 1657 1658 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1659 // reader 1660 synchronized (mPackages) { 1661 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1662 for (BasePermission p : mSettings.mPermissions.values()) { 1663 if (group == null) { 1664 if (p.perm == null || p.perm.info.group == null) { 1665 out.add(generatePermissionInfo(p, flags)); 1666 } 1667 } else { 1668 if (p.perm != null && group.equals(p.perm.info.group)) { 1669 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1670 } 1671 } 1672 } 1673 1674 if (out.size() > 0) { 1675 return out; 1676 } 1677 return mPermissionGroups.containsKey(group) ? out : null; 1678 } 1679 } 1680 1681 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1682 // reader 1683 synchronized (mPackages) { 1684 return PackageParser.generatePermissionGroupInfo( 1685 mPermissionGroups.get(name), flags); 1686 } 1687 } 1688 1689 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1690 // reader 1691 synchronized (mPackages) { 1692 final int N = mPermissionGroups.size(); 1693 ArrayList<PermissionGroupInfo> out 1694 = new ArrayList<PermissionGroupInfo>(N); 1695 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 1696 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 1697 } 1698 return out; 1699 } 1700 } 1701 1702 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 1703 int userId) { 1704 if (!sUserManager.exists(userId)) return null; 1705 PackageSetting ps = mSettings.mPackages.get(packageName); 1706 if (ps != null) { 1707 if (ps.pkg == null) { 1708 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1709 if (pInfo != null) { 1710 return pInfo.applicationInfo; 1711 } 1712 return null; 1713 } 1714 return PackageParser.generateApplicationInfo(ps.pkg, flags, ps.getStopped(userId), 1715 ps.getEnabled(userId), userId); 1716 } 1717 return null; 1718 } 1719 1720 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 1721 int userId) { 1722 if (!sUserManager.exists(userId)) return null; 1723 PackageSetting ps = mSettings.mPackages.get(packageName); 1724 if (ps != null) { 1725 PackageParser.Package pkg = new PackageParser.Package(packageName); 1726 if (ps.pkg == null) { 1727 ps.pkg = new PackageParser.Package(packageName); 1728 ps.pkg.applicationInfo.packageName = packageName; 1729 ps.pkg.applicationInfo.flags = ps.pkgFlags; 1730 ps.pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 1731 ps.pkg.applicationInfo.sourceDir = ps.codePathString; 1732 ps.pkg.applicationInfo.dataDir = 1733 getDataPathForPackage(ps.pkg.packageName, 0).getPath(); 1734 ps.pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 1735 } 1736 // ps.pkg.mSetEnabled = ps.getEnabled(userId); 1737 // ps.pkg.mSetStopped = ps.getStopped(userId); 1738 return generatePackageInfo(ps.pkg, flags, userId); 1739 } 1740 return null; 1741 } 1742 1743 @Override 1744 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 1745 if (!sUserManager.exists(userId)) return null; 1746 // writer 1747 synchronized (mPackages) { 1748 PackageParser.Package p = mPackages.get(packageName); 1749 if (DEBUG_PACKAGE_INFO) Log.v( 1750 TAG, "getApplicationInfo " + packageName 1751 + ": " + p); 1752 if (p != null) { 1753 PackageSetting ps = mSettings.mPackages.get(packageName); 1754 if (ps == null) return null; 1755 // Note: isEnabledLP() does not apply here - always return info 1756 return PackageParser.generateApplicationInfo(p, flags, ps.getStopped(userId), 1757 ps.getEnabled(userId)); 1758 } 1759 if ("android".equals(packageName)||"system".equals(packageName)) { 1760 return mAndroidApplication; 1761 } 1762 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1763 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 1764 } 1765 } 1766 return null; 1767 } 1768 1769 1770 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 1771 mContext.enforceCallingOrSelfPermission( 1772 android.Manifest.permission.CLEAR_APP_CACHE, null); 1773 // Queue up an async operation since clearing cache may take a little while. 1774 mHandler.post(new Runnable() { 1775 public void run() { 1776 mHandler.removeCallbacks(this); 1777 int retCode = -1; 1778 retCode = mInstaller.freeCache(freeStorageSize); 1779 if (retCode < 0) { 1780 Slog.w(TAG, "Couldn't clear application caches"); 1781 } 1782 if (observer != null) { 1783 try { 1784 observer.onRemoveCompleted(null, (retCode >= 0)); 1785 } catch (RemoteException e) { 1786 Slog.w(TAG, "RemoveException when invoking call back"); 1787 } 1788 } 1789 } 1790 }); 1791 } 1792 1793 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 1794 mContext.enforceCallingOrSelfPermission( 1795 android.Manifest.permission.CLEAR_APP_CACHE, null); 1796 // Queue up an async operation since clearing cache may take a little while. 1797 mHandler.post(new Runnable() { 1798 public void run() { 1799 mHandler.removeCallbacks(this); 1800 int retCode = -1; 1801 retCode = mInstaller.freeCache(freeStorageSize); 1802 if (retCode < 0) { 1803 Slog.w(TAG, "Couldn't clear application caches"); 1804 } 1805 if(pi != null) { 1806 try { 1807 // Callback via pending intent 1808 int code = (retCode >= 0) ? 1 : 0; 1809 pi.sendIntent(null, code, null, 1810 null, null); 1811 } catch (SendIntentException e1) { 1812 Slog.i(TAG, "Failed to send pending intent"); 1813 } 1814 } 1815 } 1816 }); 1817 } 1818 1819 @Override 1820 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 1821 if (!sUserManager.exists(userId)) return null; 1822 synchronized (mPackages) { 1823 PackageParser.Activity a = mActivities.mActivities.get(component); 1824 1825 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 1826 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 1827 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 1828 if (ps == null) return null; 1829 return PackageParser.generateActivityInfo(a, flags, ps.getStopped(userId), 1830 ps.getEnabled(userId), userId); 1831 } 1832 if (mResolveComponentName.equals(component)) { 1833 return mResolveActivity; 1834 } 1835 } 1836 return null; 1837 } 1838 1839 @Override 1840 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 1841 if (!sUserManager.exists(userId)) return null; 1842 synchronized (mPackages) { 1843 PackageParser.Activity a = mReceivers.mActivities.get(component); 1844 if (DEBUG_PACKAGE_INFO) Log.v( 1845 TAG, "getReceiverInfo " + component + ": " + a); 1846 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 1847 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 1848 if (ps == null) return null; 1849 return PackageParser.generateActivityInfo(a, flags, ps.getStopped(userId), 1850 ps.getEnabled(userId), userId); 1851 } 1852 } 1853 return null; 1854 } 1855 1856 @Override 1857 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 1858 if (!sUserManager.exists(userId)) return null; 1859 synchronized (mPackages) { 1860 PackageParser.Service s = mServices.mServices.get(component); 1861 if (DEBUG_PACKAGE_INFO) Log.v( 1862 TAG, "getServiceInfo " + component + ": " + s); 1863 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 1864 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 1865 if (ps == null) return null; 1866 return PackageParser.generateServiceInfo(s, flags, ps.getStopped(userId), 1867 ps.getEnabled(userId), userId); 1868 } 1869 } 1870 return null; 1871 } 1872 1873 @Override 1874 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 1875 if (!sUserManager.exists(userId)) return null; 1876 synchronized (mPackages) { 1877 PackageParser.Provider p = mProvidersByComponent.get(component); 1878 if (DEBUG_PACKAGE_INFO) Log.v( 1879 TAG, "getProviderInfo " + component + ": " + p); 1880 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 1881 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 1882 if (ps == null) return null; 1883 return PackageParser.generateProviderInfo(p, flags, ps.getStopped(userId), 1884 ps.getEnabled(userId), userId); 1885 } 1886 } 1887 return null; 1888 } 1889 1890 public String[] getSystemSharedLibraryNames() { 1891 Set<String> libSet; 1892 synchronized (mPackages) { 1893 libSet = mSharedLibraries.keySet(); 1894 int size = libSet.size(); 1895 if (size > 0) { 1896 String[] libs = new String[size]; 1897 libSet.toArray(libs); 1898 return libs; 1899 } 1900 } 1901 return null; 1902 } 1903 1904 public FeatureInfo[] getSystemAvailableFeatures() { 1905 Collection<FeatureInfo> featSet; 1906 synchronized (mPackages) { 1907 featSet = mAvailableFeatures.values(); 1908 int size = featSet.size(); 1909 if (size > 0) { 1910 FeatureInfo[] features = new FeatureInfo[size+1]; 1911 featSet.toArray(features); 1912 FeatureInfo fi = new FeatureInfo(); 1913 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 1914 FeatureInfo.GL_ES_VERSION_UNDEFINED); 1915 features[size] = fi; 1916 return features; 1917 } 1918 } 1919 return null; 1920 } 1921 1922 public boolean hasSystemFeature(String name) { 1923 synchronized (mPackages) { 1924 return mAvailableFeatures.containsKey(name); 1925 } 1926 } 1927 1928 private void checkValidCaller(int uid, int userId) { 1929 if (UserId.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 1930 return; 1931 1932 throw new SecurityException("Caller uid=" + uid 1933 + " is not privileged to communicate with user=" + userId); 1934 } 1935 1936 public int checkPermission(String permName, String pkgName) { 1937 synchronized (mPackages) { 1938 PackageParser.Package p = mPackages.get(pkgName); 1939 if (p != null && p.mExtras != null) { 1940 PackageSetting ps = (PackageSetting)p.mExtras; 1941 if (ps.sharedUser != null) { 1942 if (ps.sharedUser.grantedPermissions.contains(permName)) { 1943 return PackageManager.PERMISSION_GRANTED; 1944 } 1945 } else if (ps.grantedPermissions.contains(permName)) { 1946 return PackageManager.PERMISSION_GRANTED; 1947 } 1948 } 1949 if (!isPermissionEnforcedLocked(permName)) { 1950 return PackageManager.PERMISSION_GRANTED; 1951 } 1952 } 1953 return PackageManager.PERMISSION_DENIED; 1954 } 1955 1956 public int checkUidPermission(String permName, int uid) { 1957 synchronized (mPackages) { 1958 Object obj = mSettings.getUserIdLPr(UserId.getAppId(uid)); 1959 if (obj != null) { 1960 GrantedPermissions gp = (GrantedPermissions)obj; 1961 if (gp.grantedPermissions.contains(permName)) { 1962 return PackageManager.PERMISSION_GRANTED; 1963 } 1964 } else { 1965 HashSet<String> perms = mSystemPermissions.get(uid); 1966 if (perms != null && perms.contains(permName)) { 1967 return PackageManager.PERMISSION_GRANTED; 1968 } 1969 } 1970 if (!isPermissionEnforcedLocked(permName)) { 1971 return PackageManager.PERMISSION_GRANTED; 1972 } 1973 } 1974 return PackageManager.PERMISSION_DENIED; 1975 } 1976 1977 private BasePermission findPermissionTreeLP(String permName) { 1978 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 1979 if (permName.startsWith(bp.name) && 1980 permName.length() > bp.name.length() && 1981 permName.charAt(bp.name.length()) == '.') { 1982 return bp; 1983 } 1984 } 1985 return null; 1986 } 1987 1988 private BasePermission checkPermissionTreeLP(String permName) { 1989 if (permName != null) { 1990 BasePermission bp = findPermissionTreeLP(permName); 1991 if (bp != null) { 1992 if (bp.uid == UserId.getAppId(Binder.getCallingUid())) { 1993 return bp; 1994 } 1995 throw new SecurityException("Calling uid " 1996 + Binder.getCallingUid() 1997 + " is not allowed to add to permission tree " 1998 + bp.name + " owned by uid " + bp.uid); 1999 } 2000 } 2001 throw new SecurityException("No permission tree found for " + permName); 2002 } 2003 2004 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2005 if (s1 == null) { 2006 return s2 == null; 2007 } 2008 if (s2 == null) { 2009 return false; 2010 } 2011 if (s1.getClass() != s2.getClass()) { 2012 return false; 2013 } 2014 return s1.equals(s2); 2015 } 2016 2017 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2018 if (pi1.icon != pi2.icon) return false; 2019 if (pi1.logo != pi2.logo) return false; 2020 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2021 if (!compareStrings(pi1.name, pi2.name)) return false; 2022 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2023 // We'll take care of setting this one. 2024 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2025 // These are not currently stored in settings. 2026 //if (!compareStrings(pi1.group, pi2.group)) return false; 2027 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2028 //if (pi1.labelRes != pi2.labelRes) return false; 2029 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2030 return true; 2031 } 2032 2033 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2034 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2035 throw new SecurityException("Label must be specified in permission"); 2036 } 2037 BasePermission tree = checkPermissionTreeLP(info.name); 2038 BasePermission bp = mSettings.mPermissions.get(info.name); 2039 boolean added = bp == null; 2040 boolean changed = true; 2041 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2042 if (added) { 2043 bp = new BasePermission(info.name, tree.sourcePackage, 2044 BasePermission.TYPE_DYNAMIC); 2045 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2046 throw new SecurityException( 2047 "Not allowed to modify non-dynamic permission " 2048 + info.name); 2049 } else { 2050 if (bp.protectionLevel == fixedLevel 2051 && bp.perm.owner.equals(tree.perm.owner) 2052 && bp.uid == tree.uid 2053 && comparePermissionInfos(bp.perm.info, info)) { 2054 changed = false; 2055 } 2056 } 2057 bp.protectionLevel = fixedLevel; 2058 info = new PermissionInfo(info); 2059 info.protectionLevel = fixedLevel; 2060 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2061 bp.perm.info.packageName = tree.perm.info.packageName; 2062 bp.uid = tree.uid; 2063 if (added) { 2064 mSettings.mPermissions.put(info.name, bp); 2065 } 2066 if (changed) { 2067 if (!async) { 2068 mSettings.writeLPr(); 2069 } else { 2070 scheduleWriteSettingsLocked(); 2071 } 2072 } 2073 return added; 2074 } 2075 2076 public boolean addPermission(PermissionInfo info) { 2077 synchronized (mPackages) { 2078 return addPermissionLocked(info, false); 2079 } 2080 } 2081 2082 public boolean addPermissionAsync(PermissionInfo info) { 2083 synchronized (mPackages) { 2084 return addPermissionLocked(info, true); 2085 } 2086 } 2087 2088 public void removePermission(String name) { 2089 synchronized (mPackages) { 2090 checkPermissionTreeLP(name); 2091 BasePermission bp = mSettings.mPermissions.get(name); 2092 if (bp != null) { 2093 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2094 throw new SecurityException( 2095 "Not allowed to modify non-dynamic permission " 2096 + name); 2097 } 2098 mSettings.mPermissions.remove(name); 2099 mSettings.writeLPr(); 2100 } 2101 } 2102 } 2103 2104 public void grantPermission(String packageName, String permissionName) { 2105 mContext.enforceCallingOrSelfPermission( 2106 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2107 synchronized (mPackages) { 2108 final PackageParser.Package pkg = mPackages.get(packageName); 2109 if (pkg == null) { 2110 throw new IllegalArgumentException("Unknown package: " + packageName); 2111 } 2112 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2113 if (bp == null) { 2114 throw new IllegalArgumentException("Unknown permission: " + packageName); 2115 } 2116 if (!pkg.requestedPermissions.contains(permissionName)) { 2117 throw new SecurityException("Package " + packageName 2118 + " has not requested permission " + permissionName); 2119 } 2120 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) == 0) { 2121 throw new SecurityException("Permission " + permissionName 2122 + " is not a development permission"); 2123 } 2124 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2125 if (ps == null) { 2126 return; 2127 } 2128 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2129 if (gp.grantedPermissions.add(permissionName)) { 2130 if (ps.haveGids) { 2131 gp.gids = appendInts(gp.gids, bp.gids); 2132 } 2133 mSettings.writeLPr(); 2134 } 2135 } 2136 } 2137 2138 public void revokePermission(String packageName, String permissionName) { 2139 synchronized (mPackages) { 2140 final PackageParser.Package pkg = mPackages.get(packageName); 2141 if (pkg == null) { 2142 throw new IllegalArgumentException("Unknown package: " + packageName); 2143 } 2144 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2145 mContext.enforceCallingOrSelfPermission( 2146 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2147 } 2148 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2149 if (bp == null) { 2150 throw new IllegalArgumentException("Unknown permission: " + packageName); 2151 } 2152 if (!pkg.requestedPermissions.contains(permissionName)) { 2153 throw new SecurityException("Package " + packageName 2154 + " has not requested permission " + permissionName); 2155 } 2156 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) == 0) { 2157 throw new SecurityException("Permission " + permissionName 2158 + " is not a development permission"); 2159 } 2160 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2161 if (ps == null) { 2162 return; 2163 } 2164 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2165 if (gp.grantedPermissions.remove(permissionName)) { 2166 gp.grantedPermissions.remove(permissionName); 2167 if (ps.haveGids) { 2168 gp.gids = removeInts(gp.gids, bp.gids); 2169 } 2170 mSettings.writeLPr(); 2171 } 2172 } 2173 } 2174 2175 public boolean isProtectedBroadcast(String actionName) { 2176 synchronized (mPackages) { 2177 return mProtectedBroadcasts.contains(actionName); 2178 } 2179 } 2180 2181 public int checkSignatures(String pkg1, String pkg2) { 2182 synchronized (mPackages) { 2183 final PackageParser.Package p1 = mPackages.get(pkg1); 2184 final PackageParser.Package p2 = mPackages.get(pkg2); 2185 if (p1 == null || p1.mExtras == null 2186 || p2 == null || p2.mExtras == null) { 2187 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2188 } 2189 return compareSignatures(p1.mSignatures, p2.mSignatures); 2190 } 2191 } 2192 2193 public int checkUidSignatures(int uid1, int uid2) { 2194 // Map to base uids. 2195 uid1 = UserId.getAppId(uid1); 2196 uid2 = UserId.getAppId(uid2); 2197 // reader 2198 synchronized (mPackages) { 2199 Signature[] s1; 2200 Signature[] s2; 2201 Object obj = mSettings.getUserIdLPr(uid1); 2202 if (obj != null) { 2203 if (obj instanceof SharedUserSetting) { 2204 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2205 } else if (obj instanceof PackageSetting) { 2206 s1 = ((PackageSetting)obj).signatures.mSignatures; 2207 } else { 2208 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2209 } 2210 } else { 2211 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2212 } 2213 obj = mSettings.getUserIdLPr(uid2); 2214 if (obj != null) { 2215 if (obj instanceof SharedUserSetting) { 2216 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2217 } else if (obj instanceof PackageSetting) { 2218 s2 = ((PackageSetting)obj).signatures.mSignatures; 2219 } else { 2220 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2221 } 2222 } else { 2223 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2224 } 2225 return compareSignatures(s1, s2); 2226 } 2227 } 2228 2229 static int compareSignatures(Signature[] s1, Signature[] s2) { 2230 if (s1 == null) { 2231 return s2 == null 2232 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2233 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2234 } 2235 if (s2 == null) { 2236 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2237 } 2238 HashSet<Signature> set1 = new HashSet<Signature>(); 2239 for (Signature sig : s1) { 2240 set1.add(sig); 2241 } 2242 HashSet<Signature> set2 = new HashSet<Signature>(); 2243 for (Signature sig : s2) { 2244 set2.add(sig); 2245 } 2246 // Make sure s2 contains all signatures in s1. 2247 if (set1.equals(set2)) { 2248 return PackageManager.SIGNATURE_MATCH; 2249 } 2250 return PackageManager.SIGNATURE_NO_MATCH; 2251 } 2252 2253 public String[] getPackagesForUid(int uid) { 2254 uid = UserId.getAppId(uid); 2255 // reader 2256 synchronized (mPackages) { 2257 Object obj = mSettings.getUserIdLPr(uid); 2258 if (obj instanceof SharedUserSetting) { 2259 final SharedUserSetting sus = (SharedUserSetting) obj; 2260 final int N = sus.packages.size(); 2261 final String[] res = new String[N]; 2262 final Iterator<PackageSetting> it = sus.packages.iterator(); 2263 int i = 0; 2264 while (it.hasNext()) { 2265 res[i++] = it.next().name; 2266 } 2267 return res; 2268 } else if (obj instanceof PackageSetting) { 2269 final PackageSetting ps = (PackageSetting) obj; 2270 return new String[] { ps.name }; 2271 } 2272 } 2273 return null; 2274 } 2275 2276 public String getNameForUid(int uid) { 2277 // reader 2278 synchronized (mPackages) { 2279 Object obj = mSettings.getUserIdLPr(UserId.getAppId(uid)); 2280 if (obj instanceof SharedUserSetting) { 2281 final SharedUserSetting sus = (SharedUserSetting) obj; 2282 return sus.name + ":" + sus.userId; 2283 } else if (obj instanceof PackageSetting) { 2284 final PackageSetting ps = (PackageSetting) obj; 2285 return ps.name; 2286 } 2287 } 2288 return null; 2289 } 2290 2291 public int getUidForSharedUser(String sharedUserName) { 2292 if(sharedUserName == null) { 2293 return -1; 2294 } 2295 // reader 2296 synchronized (mPackages) { 2297 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2298 if (suid == null) { 2299 return -1; 2300 } 2301 return suid.userId; 2302 } 2303 } 2304 2305 @Override 2306 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2307 int flags, int userId) { 2308 if (!sUserManager.exists(userId)) return null; 2309 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2310 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2311 } 2312 2313 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2314 int flags, List<ResolveInfo> query, int userId) { 2315 if (query != null) { 2316 final int N = query.size(); 2317 if (N == 1) { 2318 return query.get(0); 2319 } else if (N > 1) { 2320 // If there is more than one activity with the same priority, 2321 // then let the user decide between them. 2322 ResolveInfo r0 = query.get(0); 2323 ResolveInfo r1 = query.get(1); 2324 if (DEBUG_INTENT_MATCHING) { 2325 Log.d(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2326 + r1.activityInfo.name + "=" + r1.priority); 2327 } 2328 // If the first activity has a higher priority, or a different 2329 // default, then it is always desireable to pick it. 2330 if (r0.priority != r1.priority 2331 || r0.preferredOrder != r1.preferredOrder 2332 || r0.isDefault != r1.isDefault) { 2333 return query.get(0); 2334 } 2335 // If we have saved a preference for a preferred activity for 2336 // this Intent, use that. 2337 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2338 flags, query, r0.priority, userId); 2339 if (ri != null) { 2340 return ri; 2341 } 2342 return mResolveInfo; 2343 } 2344 } 2345 return null; 2346 } 2347 2348 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, 2349 int flags, List<ResolveInfo> query, int priority, int userId) { 2350 if (!sUserManager.exists(userId)) return null; 2351 // writer 2352 synchronized (mPackages) { 2353 if (intent.getSelector() != null) { 2354 intent = intent.getSelector(); 2355 } 2356 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2357 List<PreferredActivity> prefs = 2358 mSettings.mPreferredActivities.queryIntent(intent, resolvedType, 2359 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 2360 if (prefs != null && prefs.size() > 0) { 2361 // First figure out how good the original match set is. 2362 // We will only allow preferred activities that came 2363 // from the same match quality. 2364 int match = 0; 2365 2366 if (DEBUG_PREFERRED) { 2367 Log.v(TAG, "Figuring out best match..."); 2368 } 2369 2370 final int N = query.size(); 2371 for (int j=0; j<N; j++) { 2372 final ResolveInfo ri = query.get(j); 2373 if (DEBUG_PREFERRED) { 2374 Log.v(TAG, "Match for " + ri.activityInfo + ": 0x" 2375 + Integer.toHexString(match)); 2376 } 2377 if (ri.match > match) { 2378 match = ri.match; 2379 } 2380 } 2381 2382 if (DEBUG_PREFERRED) { 2383 Log.v(TAG, "Best match: 0x" + Integer.toHexString(match)); 2384 } 2385 2386 match &= IntentFilter.MATCH_CATEGORY_MASK; 2387 final int M = prefs.size(); 2388 for (int i=0; i<M; i++) { 2389 final PreferredActivity pa = prefs.get(i); 2390 if (pa.mPref.mMatch != match) { 2391 continue; 2392 } 2393 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, flags, userId); 2394 if (DEBUG_PREFERRED) { 2395 Log.v(TAG, "Got preferred activity:"); 2396 if (ai != null) { 2397 ai.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 2398 } else { 2399 Log.v(TAG, " null"); 2400 } 2401 } 2402 if (ai == null) { 2403 // This previously registered preferred activity 2404 // component is no longer known. Most likely an update 2405 // to the app was installed and in the new version this 2406 // component no longer exists. Clean it up by removing 2407 // it from the preferred activities list, and skip it. 2408 Slog.w(TAG, "Removing dangling preferred activity: " 2409 + pa.mPref.mComponent); 2410 mSettings.mPreferredActivities.removeFilter(pa); 2411 continue; 2412 } 2413 for (int j=0; j<N; j++) { 2414 final ResolveInfo ri = query.get(j); 2415 if (!ri.activityInfo.applicationInfo.packageName 2416 .equals(ai.applicationInfo.packageName)) { 2417 continue; 2418 } 2419 if (!ri.activityInfo.name.equals(ai.name)) { 2420 continue; 2421 } 2422 2423 // Okay we found a previously set preferred app. 2424 // If the result set is different from when this 2425 // was created, we need to clear it and re-ask the 2426 // user their preference. 2427 if (!pa.mPref.sameSet(query, priority)) { 2428 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2429 + intent + " type " + resolvedType); 2430 mSettings.mPreferredActivities.removeFilter(pa); 2431 return null; 2432 } 2433 2434 // Yay! 2435 return ri; 2436 } 2437 } 2438 } 2439 } 2440 return null; 2441 } 2442 2443 @Override 2444 public List<ResolveInfo> queryIntentActivities(Intent intent, 2445 String resolvedType, int flags, int userId) { 2446 if (!sUserManager.exists(userId)) return null; 2447 ComponentName comp = intent.getComponent(); 2448 if (comp == null) { 2449 if (intent.getSelector() != null) { 2450 intent = intent.getSelector(); 2451 comp = intent.getComponent(); 2452 } 2453 } 2454 2455 if (comp != null) { 2456 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2457 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 2458 if (ai != null) { 2459 final ResolveInfo ri = new ResolveInfo(); 2460 ri.activityInfo = ai; 2461 list.add(ri); 2462 } 2463 return list; 2464 } 2465 2466 // reader 2467 synchronized (mPackages) { 2468 final String pkgName = intent.getPackage(); 2469 if (pkgName == null) { 2470 return mActivities.queryIntent(intent, resolvedType, flags, userId); 2471 } 2472 final PackageParser.Package pkg = mPackages.get(pkgName); 2473 if (pkg != null) { 2474 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 2475 pkg.activities, userId); 2476 } 2477 return new ArrayList<ResolveInfo>(); 2478 } 2479 } 2480 2481 @Override 2482 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 2483 Intent[] specifics, String[] specificTypes, Intent intent, 2484 String resolvedType, int flags, int userId) { 2485 if (!sUserManager.exists(userId)) return null; 2486 final String resultsAction = intent.getAction(); 2487 2488 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 2489 | PackageManager.GET_RESOLVED_FILTER, userId); 2490 2491 if (DEBUG_INTENT_MATCHING) { 2492 Log.v(TAG, "Query " + intent + ": " + results); 2493 } 2494 2495 int specificsPos = 0; 2496 int N; 2497 2498 // todo: note that the algorithm used here is O(N^2). This 2499 // isn't a problem in our current environment, but if we start running 2500 // into situations where we have more than 5 or 10 matches then this 2501 // should probably be changed to something smarter... 2502 2503 // First we go through and resolve each of the specific items 2504 // that were supplied, taking care of removing any corresponding 2505 // duplicate items in the generic resolve list. 2506 if (specifics != null) { 2507 for (int i=0; i<specifics.length; i++) { 2508 final Intent sintent = specifics[i]; 2509 if (sintent == null) { 2510 continue; 2511 } 2512 2513 if (DEBUG_INTENT_MATCHING) { 2514 Log.v(TAG, "Specific #" + i + ": " + sintent); 2515 } 2516 2517 String action = sintent.getAction(); 2518 if (resultsAction != null && resultsAction.equals(action)) { 2519 // If this action was explicitly requested, then don't 2520 // remove things that have it. 2521 action = null; 2522 } 2523 2524 ResolveInfo ri = null; 2525 ActivityInfo ai = null; 2526 2527 ComponentName comp = sintent.getComponent(); 2528 if (comp == null) { 2529 ri = resolveIntent( 2530 sintent, 2531 specificTypes != null ? specificTypes[i] : null, 2532 flags, userId); 2533 if (ri == null) { 2534 continue; 2535 } 2536 if (ri == mResolveInfo) { 2537 // ACK! Must do something better with this. 2538 } 2539 ai = ri.activityInfo; 2540 comp = new ComponentName(ai.applicationInfo.packageName, 2541 ai.name); 2542 } else { 2543 ai = getActivityInfo(comp, flags, userId); 2544 if (ai == null) { 2545 continue; 2546 } 2547 } 2548 2549 // Look for any generic query activities that are duplicates 2550 // of this specific one, and remove them from the results. 2551 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 2552 N = results.size(); 2553 int j; 2554 for (j=specificsPos; j<N; j++) { 2555 ResolveInfo sri = results.get(j); 2556 if ((sri.activityInfo.name.equals(comp.getClassName()) 2557 && sri.activityInfo.applicationInfo.packageName.equals( 2558 comp.getPackageName())) 2559 || (action != null && sri.filter.matchAction(action))) { 2560 results.remove(j); 2561 if (DEBUG_INTENT_MATCHING) Log.v( 2562 TAG, "Removing duplicate item from " + j 2563 + " due to specific " + specificsPos); 2564 if (ri == null) { 2565 ri = sri; 2566 } 2567 j--; 2568 N--; 2569 } 2570 } 2571 2572 // Add this specific item to its proper place. 2573 if (ri == null) { 2574 ri = new ResolveInfo(); 2575 ri.activityInfo = ai; 2576 } 2577 results.add(specificsPos, ri); 2578 ri.specificIndex = i; 2579 specificsPos++; 2580 } 2581 } 2582 2583 // Now we go through the remaining generic results and remove any 2584 // duplicate actions that are found here. 2585 N = results.size(); 2586 for (int i=specificsPos; i<N-1; i++) { 2587 final ResolveInfo rii = results.get(i); 2588 if (rii.filter == null) { 2589 continue; 2590 } 2591 2592 // Iterate over all of the actions of this result's intent 2593 // filter... typically this should be just one. 2594 final Iterator<String> it = rii.filter.actionsIterator(); 2595 if (it == null) { 2596 continue; 2597 } 2598 while (it.hasNext()) { 2599 final String action = it.next(); 2600 if (resultsAction != null && resultsAction.equals(action)) { 2601 // If this action was explicitly requested, then don't 2602 // remove things that have it. 2603 continue; 2604 } 2605 for (int j=i+1; j<N; j++) { 2606 final ResolveInfo rij = results.get(j); 2607 if (rij.filter != null && rij.filter.hasAction(action)) { 2608 results.remove(j); 2609 if (DEBUG_INTENT_MATCHING) Log.v( 2610 TAG, "Removing duplicate item from " + j 2611 + " due to action " + action + " at " + i); 2612 j--; 2613 N--; 2614 } 2615 } 2616 } 2617 2618 // If the caller didn't request filter information, drop it now 2619 // so we don't have to marshall/unmarshall it. 2620 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 2621 rii.filter = null; 2622 } 2623 } 2624 2625 // Filter out the caller activity if so requested. 2626 if (caller != null) { 2627 N = results.size(); 2628 for (int i=0; i<N; i++) { 2629 ActivityInfo ainfo = results.get(i).activityInfo; 2630 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 2631 && caller.getClassName().equals(ainfo.name)) { 2632 results.remove(i); 2633 break; 2634 } 2635 } 2636 } 2637 2638 // If the caller didn't request filter information, 2639 // drop them now so we don't have to 2640 // marshall/unmarshall it. 2641 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 2642 N = results.size(); 2643 for (int i=0; i<N; i++) { 2644 results.get(i).filter = null; 2645 } 2646 } 2647 2648 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 2649 return results; 2650 } 2651 2652 @Override 2653 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 2654 int userId) { 2655 if (!sUserManager.exists(userId)) return null; 2656 ComponentName comp = intent.getComponent(); 2657 if (comp == null) { 2658 if (intent.getSelector() != null) { 2659 intent = intent.getSelector(); 2660 comp = intent.getComponent(); 2661 } 2662 } 2663 if (comp != null) { 2664 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2665 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 2666 if (ai != null) { 2667 ResolveInfo ri = new ResolveInfo(); 2668 ri.activityInfo = ai; 2669 list.add(ri); 2670 } 2671 return list; 2672 } 2673 2674 // reader 2675 synchronized (mPackages) { 2676 String pkgName = intent.getPackage(); 2677 if (pkgName == null) { 2678 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 2679 } 2680 final PackageParser.Package pkg = mPackages.get(pkgName); 2681 if (pkg != null) { 2682 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 2683 userId); 2684 } 2685 return null; 2686 } 2687 } 2688 2689 @Override 2690 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 2691 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 2692 if (!sUserManager.exists(userId)) return null; 2693 if (query != null) { 2694 if (query.size() >= 1) { 2695 // If there is more than one service with the same priority, 2696 // just arbitrarily pick the first one. 2697 return query.get(0); 2698 } 2699 } 2700 return null; 2701 } 2702 2703 @Override 2704 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 2705 int userId) { 2706 if (!sUserManager.exists(userId)) return null; 2707 ComponentName comp = intent.getComponent(); 2708 if (comp == null) { 2709 if (intent.getSelector() != null) { 2710 intent = intent.getSelector(); 2711 comp = intent.getComponent(); 2712 } 2713 } 2714 if (comp != null) { 2715 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2716 final ServiceInfo si = getServiceInfo(comp, flags, userId); 2717 if (si != null) { 2718 final ResolveInfo ri = new ResolveInfo(); 2719 ri.serviceInfo = si; 2720 list.add(ri); 2721 } 2722 return list; 2723 } 2724 2725 // reader 2726 synchronized (mPackages) { 2727 String pkgName = intent.getPackage(); 2728 if (pkgName == null) { 2729 return mServices.queryIntent(intent, resolvedType, flags, userId); 2730 } 2731 final PackageParser.Package pkg = mPackages.get(pkgName); 2732 if (pkg != null) { 2733 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 2734 userId); 2735 } 2736 return null; 2737 } 2738 } 2739 2740 private static final int getContinuationPoint(final String[] keys, final String key) { 2741 final int index; 2742 if (key == null) { 2743 index = 0; 2744 } else { 2745 final int insertPoint = Arrays.binarySearch(keys, key); 2746 if (insertPoint < 0) { 2747 index = -insertPoint; 2748 } else { 2749 index = insertPoint + 1; 2750 } 2751 } 2752 return index; 2753 } 2754 2755 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, String lastRead) { 2756 final ParceledListSlice<PackageInfo> list = new ParceledListSlice<PackageInfo>(); 2757 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 2758 final String[] keys; 2759 int userId = UserId.getCallingUserId(); 2760 2761 // writer 2762 synchronized (mPackages) { 2763 if (listUninstalled) { 2764 keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]); 2765 } else { 2766 keys = mPackages.keySet().toArray(new String[mPackages.size()]); 2767 } 2768 2769 Arrays.sort(keys); 2770 int i = getContinuationPoint(keys, lastRead); 2771 final int N = keys.length; 2772 2773 while (i < N) { 2774 final String packageName = keys[i++]; 2775 2776 PackageInfo pi = null; 2777 if (listUninstalled) { 2778 final PackageSetting ps = mSettings.mPackages.get(packageName); 2779 if (ps != null) { 2780 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 2781 } 2782 } else { 2783 final PackageParser.Package p = mPackages.get(packageName); 2784 if (p != null) { 2785 pi = generatePackageInfo(p, flags, userId); 2786 } 2787 } 2788 2789 if (pi != null && list.append(pi)) { 2790 break; 2791 } 2792 } 2793 2794 if (i == N) { 2795 list.setLastSlice(true); 2796 } 2797 } 2798 2799 return list; 2800 } 2801 2802 @Override 2803 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, 2804 String lastRead, int userId) { 2805 if (!sUserManager.exists(userId)) return null; 2806 final ParceledListSlice<ApplicationInfo> list = new ParceledListSlice<ApplicationInfo>(); 2807 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 2808 final String[] keys; 2809 2810 // writer 2811 synchronized (mPackages) { 2812 if (listUninstalled) { 2813 keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]); 2814 } else { 2815 keys = mPackages.keySet().toArray(new String[mPackages.size()]); 2816 } 2817 2818 Arrays.sort(keys); 2819 int i = getContinuationPoint(keys, lastRead); 2820 final int N = keys.length; 2821 2822 while (i < N) { 2823 final String packageName = keys[i++]; 2824 2825 ApplicationInfo ai = null; 2826 final PackageSetting ps = mSettings.mPackages.get(packageName); 2827 if (listUninstalled) { 2828 if (ps != null) { 2829 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 2830 } 2831 } else { 2832 final PackageParser.Package p = mPackages.get(packageName); 2833 if (p != null && ps != null) { 2834 ai = PackageParser.generateApplicationInfo(p, flags, ps.getStopped(userId), 2835 ps.getEnabled(userId), userId); 2836 } 2837 } 2838 2839 if (ai != null && list.append(ai)) { 2840 break; 2841 } 2842 } 2843 2844 if (i == N) { 2845 list.setLastSlice(true); 2846 } 2847 } 2848 2849 return list; 2850 } 2851 2852 public List<ApplicationInfo> getPersistentApplications(int flags) { 2853 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 2854 2855 // reader 2856 synchronized (mPackages) { 2857 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 2858 final int userId = UserId.getCallingUserId(); 2859 while (i.hasNext()) { 2860 final PackageParser.Package p = i.next(); 2861 if (p.applicationInfo != null 2862 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 2863 && (!mSafeMode || isSystemApp(p))) { 2864 PackageSetting ps = mSettings.mPackages.get(p.packageName); 2865 finalList.add(PackageParser.generateApplicationInfo(p, flags, 2866 ps != null ? ps.getStopped(userId) : false, 2867 ps != null ? ps.getEnabled(userId) : COMPONENT_ENABLED_STATE_DEFAULT, 2868 userId)); 2869 } 2870 } 2871 } 2872 2873 return finalList; 2874 } 2875 2876 @Override 2877 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 2878 if (!sUserManager.exists(userId)) return null; 2879 // reader 2880 synchronized (mPackages) { 2881 final PackageParser.Provider provider = mProviders.get(name); 2882 PackageSetting ps = provider != null 2883 ? mSettings.mPackages.get(provider.owner.packageName) 2884 : null; 2885 return provider != null 2886 && mSettings.isEnabledLPr(provider.info, flags, userId) 2887 && (!mSafeMode || (provider.info.applicationInfo.flags 2888 &ApplicationInfo.FLAG_SYSTEM) != 0) 2889 ? PackageParser.generateProviderInfo(provider, flags, 2890 ps != null ? ps.getStopped(userId) : false, 2891 ps != null ? ps.getEnabled(userId) : COMPONENT_ENABLED_STATE_DEFAULT, 2892 userId) 2893 : null; 2894 } 2895 } 2896 2897 /** 2898 * @deprecated 2899 */ 2900 @Deprecated 2901 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 2902 // reader 2903 synchronized (mPackages) { 2904 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProviders.entrySet() 2905 .iterator(); 2906 final int userId = UserId.getCallingUserId(); 2907 while (i.hasNext()) { 2908 Map.Entry<String, PackageParser.Provider> entry = i.next(); 2909 PackageParser.Provider p = entry.getValue(); 2910 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 2911 2912 if (p.syncable 2913 && (!mSafeMode || (p.info.applicationInfo.flags 2914 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 2915 outNames.add(entry.getKey()); 2916 outInfo.add(PackageParser.generateProviderInfo(p, 0, 2917 ps != null ? ps.getStopped(userId) : false, 2918 ps != null ? ps.getEnabled(userId) : COMPONENT_ENABLED_STATE_DEFAULT, 2919 userId)); 2920 } 2921 } 2922 } 2923 } 2924 2925 public List<ProviderInfo> queryContentProviders(String processName, 2926 int uid, int flags) { 2927 ArrayList<ProviderInfo> finalList = null; 2928 2929 // reader 2930 synchronized (mPackages) { 2931 final Iterator<PackageParser.Provider> i = mProvidersByComponent.values().iterator(); 2932 final int userId = processName != null ? 2933 UserId.getUserId(uid) : UserId.getCallingUserId(); 2934 while (i.hasNext()) { 2935 final PackageParser.Provider p = i.next(); 2936 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 2937 if (p.info.authority != null 2938 && (processName == null 2939 || (p.info.processName.equals(processName) 2940 && UserId.isSameApp(p.info.applicationInfo.uid, uid))) 2941 && mSettings.isEnabledLPr(p.info, flags, userId) 2942 && (!mSafeMode 2943 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 2944 if (finalList == null) { 2945 finalList = new ArrayList<ProviderInfo>(3); 2946 } 2947 finalList.add(PackageParser.generateProviderInfo(p, flags, 2948 ps != null ? ps.getStopped(userId) : false, 2949 ps != null ? ps.getEnabled(userId) : COMPONENT_ENABLED_STATE_DEFAULT, 2950 userId)); 2951 } 2952 } 2953 } 2954 2955 if (finalList != null) { 2956 Collections.sort(finalList, mProviderInitOrderSorter); 2957 } 2958 2959 return finalList; 2960 } 2961 2962 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 2963 int flags) { 2964 // reader 2965 synchronized (mPackages) { 2966 final PackageParser.Instrumentation i = mInstrumentation.get(name); 2967 return PackageParser.generateInstrumentationInfo(i, flags); 2968 } 2969 } 2970 2971 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 2972 int flags) { 2973 ArrayList<InstrumentationInfo> finalList = 2974 new ArrayList<InstrumentationInfo>(); 2975 2976 // reader 2977 synchronized (mPackages) { 2978 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 2979 while (i.hasNext()) { 2980 final PackageParser.Instrumentation p = i.next(); 2981 if (targetPackage == null 2982 || targetPackage.equals(p.info.targetPackage)) { 2983 finalList.add(PackageParser.generateInstrumentationInfo(p, 2984 flags)); 2985 } 2986 } 2987 } 2988 2989 return finalList; 2990 } 2991 2992 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 2993 String[] files = dir.list(); 2994 if (files == null) { 2995 Log.d(TAG, "No files in app dir " + dir); 2996 return; 2997 } 2998 2999 if (DEBUG_PACKAGE_SCANNING) { 3000 Log.d(TAG, "Scanning app dir " + dir); 3001 } 3002 3003 int i; 3004 for (i=0; i<files.length; i++) { 3005 File file = new File(dir, files[i]); 3006 if (!isPackageFilename(files[i])) { 3007 // Ignore entries which are not apk's 3008 continue; 3009 } 3010 PackageParser.Package pkg = scanPackageLI(file, 3011 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime); 3012 // Don't mess around with apps in system partition. 3013 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3014 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3015 // Delete the apk 3016 Slog.w(TAG, "Cleaning up failed install of " + file); 3017 file.delete(); 3018 } 3019 } 3020 } 3021 3022 private static File getSettingsProblemFile() { 3023 File dataDir = Environment.getDataDirectory(); 3024 File systemDir = new File(dataDir, "system"); 3025 File fname = new File(systemDir, "uiderrors.txt"); 3026 return fname; 3027 } 3028 3029 static void reportSettingsProblem(int priority, String msg) { 3030 try { 3031 File fname = getSettingsProblemFile(); 3032 FileOutputStream out = new FileOutputStream(fname, true); 3033 PrintWriter pw = new PrintWriter(out); 3034 SimpleDateFormat formatter = new SimpleDateFormat(); 3035 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3036 pw.println(dateString + ": " + msg); 3037 pw.close(); 3038 FileUtils.setPermissions( 3039 fname.toString(), 3040 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3041 -1, -1); 3042 } catch (java.io.IOException e) { 3043 } 3044 Slog.println(priority, TAG, msg); 3045 } 3046 3047 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3048 PackageParser.Package pkg, File srcFile, int parseFlags) { 3049 if (GET_CERTIFICATES) { 3050 if (ps != null 3051 && ps.codePath.equals(srcFile) 3052 && ps.timeStamp == srcFile.lastModified()) { 3053 if (ps.signatures.mSignatures != null 3054 && ps.signatures.mSignatures.length != 0) { 3055 // Optimization: reuse the existing cached certificates 3056 // if the package appears to be unchanged. 3057 pkg.mSignatures = ps.signatures.mSignatures; 3058 return true; 3059 } 3060 3061 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3062 } else { 3063 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3064 } 3065 3066 if (!pp.collectCertificates(pkg, parseFlags)) { 3067 mLastScanError = pp.getParseError(); 3068 return false; 3069 } 3070 } 3071 return true; 3072 } 3073 3074 /* 3075 * Scan a package and return the newly parsed package. 3076 * Returns null in case of errors and the error code is stored in mLastScanError 3077 */ 3078 private PackageParser.Package scanPackageLI(File scanFile, 3079 int parseFlags, int scanMode, long currentTime) { 3080 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3081 String scanPath = scanFile.getPath(); 3082 parseFlags |= mDefParseFlags; 3083 PackageParser pp = new PackageParser(scanPath); 3084 pp.setSeparateProcesses(mSeparateProcesses); 3085 pp.setOnlyCoreApps(mOnlyCore); 3086 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3087 scanPath, mMetrics, parseFlags); 3088 if (pkg == null) { 3089 mLastScanError = pp.getParseError(); 3090 return null; 3091 } 3092 PackageSetting ps = null; 3093 PackageSetting updatedPkg; 3094 // reader 3095 synchronized (mPackages) { 3096 // Look to see if we already know about this package. 3097 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3098 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3099 // This package has been renamed to its original name. Let's 3100 // use that. 3101 ps = mSettings.peekPackageLPr(oldName); 3102 } 3103 // If there was no original package, see one for the real package name. 3104 if (ps == null) { 3105 ps = mSettings.peekPackageLPr(pkg.packageName); 3106 } 3107 // Check to see if this package could be hiding/updating a system 3108 // package. Must look for it either under the original or real 3109 // package name depending on our state. 3110 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3111 } 3112 // First check if this is a system package that may involve an update 3113 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3114 if (ps != null && !ps.codePath.equals(scanFile)) { 3115 // The path has changed from what was last scanned... check the 3116 // version of the new path against what we have stored to determine 3117 // what to do. 3118 if (pkg.mVersionCode < ps.versionCode) { 3119 // The system package has been updated and the code path does not match 3120 // Ignore entry. Skip it. 3121 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3122 + " ignored: updated version " + ps.versionCode 3123 + " better than this " + pkg.mVersionCode); 3124 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3125 return null; 3126 } else { 3127 // The current app on the system partion is better than 3128 // what we have updated to on the data partition; switch 3129 // back to the system partition version. 3130 // At this point, its safely assumed that package installation for 3131 // apps in system partition will go through. If not there won't be a working 3132 // version of the app 3133 // writer 3134 synchronized (mPackages) { 3135 // Just remove the loaded entries from package lists. 3136 mPackages.remove(ps.name); 3137 } 3138 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3139 + "reverting from " + ps.codePathString 3140 + ": new version " + pkg.mVersionCode 3141 + " better than installed " + ps.versionCode); 3142 3143 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3144 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3145 synchronized (mInstaller) { 3146 args.cleanUpResourcesLI(); 3147 } 3148 synchronized (mPackages) { 3149 mSettings.enableSystemPackageLPw(ps.name); 3150 } 3151 } 3152 } 3153 } 3154 3155 if (updatedPkg != null) { 3156 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3157 // initially 3158 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3159 } 3160 // Verify certificates against what was last scanned 3161 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3162 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3163 return null; 3164 } 3165 3166 /* 3167 * A new system app appeared, but we already had a non-system one of the 3168 * same name installed earlier. 3169 */ 3170 boolean shouldHideSystemApp = false; 3171 if (updatedPkg == null && ps != null 3172 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3173 /* 3174 * Check to make sure the signatures match first. If they don't, 3175 * wipe the installed application and its data. 3176 */ 3177 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3178 != PackageManager.SIGNATURE_MATCH) { 3179 deletePackageLI(pkg.packageName, true, 0, null, false); 3180 ps = null; 3181 } else { 3182 /* 3183 * If the newly-added system app is an older version than the 3184 * already installed version, hide it. It will be scanned later 3185 * and re-added like an update. 3186 */ 3187 if (pkg.mVersionCode < ps.versionCode) { 3188 shouldHideSystemApp = true; 3189 } else { 3190 /* 3191 * The newly found system app is a newer version that the 3192 * one previously installed. Simply remove the 3193 * already-installed application and replace it with our own 3194 * while keeping the application data. 3195 */ 3196 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3197 + ps.codePathString + ": new version " + pkg.mVersionCode 3198 + " better than installed " + ps.versionCode); 3199 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3200 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3201 synchronized (mInstaller) { 3202 args.cleanUpResourcesLI(); 3203 } 3204 } 3205 } 3206 } 3207 3208 // The apk is forward locked (not public) if its code and resources 3209 // are kept in different files. 3210 // TODO grab this value from PackageSettings 3211 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3212 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3213 } 3214 3215 String codePath = null; 3216 String resPath = null; 3217 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0) { 3218 if (ps != null && ps.resourcePathString != null) { 3219 resPath = ps.resourcePathString; 3220 } else { 3221 // Should not happen at all. Just log an error. 3222 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3223 } 3224 } else { 3225 resPath = pkg.mScanPath; 3226 } 3227 codePath = pkg.mScanPath; 3228 // Set application objects path explicitly. 3229 setApplicationInfoPaths(pkg, codePath, resPath); 3230 // Note that we invoke the following method only if we are about to unpack an application 3231 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3232 | SCAN_UPDATE_SIGNATURE, currentTime); 3233 3234 /* 3235 * If the system app should be overridden by a previously installed 3236 * data, hide the system app now and let the /data/app scan pick it up 3237 * again. 3238 */ 3239 if (shouldHideSystemApp) { 3240 synchronized (mPackages) { 3241 /* 3242 * We have to grant systems permissions before we hide, because 3243 * grantPermissions will assume the package update is trying to 3244 * expand its permissions. 3245 */ 3246 grantPermissionsLPw(pkg, true); 3247 mSettings.disableSystemPackageLPw(pkg.packageName); 3248 } 3249 } 3250 3251 return scannedPkg; 3252 } 3253 3254 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3255 String destResPath) { 3256 pkg.mPath = pkg.mScanPath = destCodePath; 3257 pkg.applicationInfo.sourceDir = destCodePath; 3258 pkg.applicationInfo.publicSourceDir = destResPath; 3259 } 3260 3261 private static String fixProcessName(String defProcessName, 3262 String processName, int uid) { 3263 if (processName == null) { 3264 return defProcessName; 3265 } 3266 return processName; 3267 } 3268 3269 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3270 PackageParser.Package pkg) { 3271 if (pkgSetting.signatures.mSignatures != null) { 3272 // Already existing package. Make sure signatures match 3273 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3274 PackageManager.SIGNATURE_MATCH) { 3275 Slog.e(TAG, "Package " + pkg.packageName 3276 + " signatures do not match the previously installed version; ignoring!"); 3277 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3278 return false; 3279 } 3280 } 3281 // Check for shared user signatures 3282 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3283 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3284 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3285 Slog.e(TAG, "Package " + pkg.packageName 3286 + " has no signatures that match those in shared user " 3287 + pkgSetting.sharedUser.name + "; ignoring!"); 3288 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3289 return false; 3290 } 3291 } 3292 return true; 3293 } 3294 3295 /** 3296 * Enforces that only the system UID or root's UID can call a method exposed 3297 * via Binder. 3298 * 3299 * @param message used as message if SecurityException is thrown 3300 * @throws SecurityException if the caller is not system or root 3301 */ 3302 private static final void enforceSystemOrRoot(String message) { 3303 final int uid = Binder.getCallingUid(); 3304 if (uid != Process.SYSTEM_UID && uid != 0) { 3305 throw new SecurityException(message); 3306 } 3307 } 3308 3309 public void performBootDexOpt() { 3310 ArrayList<PackageParser.Package> pkgs = null; 3311 synchronized (mPackages) { 3312 if (mDeferredDexOpt.size() > 0) { 3313 pkgs = new ArrayList<PackageParser.Package>(mDeferredDexOpt); 3314 mDeferredDexOpt.clear(); 3315 } 3316 } 3317 if (pkgs != null) { 3318 for (int i=0; i<pkgs.size(); i++) { 3319 if (!isFirstBoot()) { 3320 try { 3321 ActivityManagerNative.getDefault().showBootMessage( 3322 mContext.getResources().getString( 3323 com.android.internal.R.string.android_upgrading_apk, 3324 i+1, pkgs.size()), true); 3325 } catch (RemoteException e) { 3326 } 3327 } 3328 PackageParser.Package p = pkgs.get(i); 3329 synchronized (mInstallLock) { 3330 if (!p.mDidDexOpt) { 3331 performDexOptLI(p, false, false); 3332 } 3333 } 3334 } 3335 } 3336 } 3337 3338 public boolean performDexOpt(String packageName) { 3339 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3340 3341 if (!mNoDexOpt) { 3342 return false; 3343 } 3344 3345 PackageParser.Package p; 3346 synchronized (mPackages) { 3347 p = mPackages.get(packageName); 3348 if (p == null || p.mDidDexOpt) { 3349 return false; 3350 } 3351 } 3352 synchronized (mInstallLock) { 3353 return performDexOptLI(p, false, false) == DEX_OPT_PERFORMED; 3354 } 3355 } 3356 3357 static final int DEX_OPT_SKIPPED = 0; 3358 static final int DEX_OPT_PERFORMED = 1; 3359 static final int DEX_OPT_DEFERRED = 2; 3360 static final int DEX_OPT_FAILED = -1; 3361 3362 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer) { 3363 boolean performed = false; 3364 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 3365 String path = pkg.mScanPath; 3366 int ret = 0; 3367 try { 3368 if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { 3369 if (!forceDex && defer) { 3370 mDeferredDexOpt.add(pkg); 3371 return DEX_OPT_DEFERRED; 3372 } else { 3373 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 3374 ret = mInstaller.dexopt(path, pkg.applicationInfo.uid, 3375 !isForwardLocked(pkg)); 3376 pkg.mDidDexOpt = true; 3377 performed = true; 3378 } 3379 } 3380 } catch (FileNotFoundException e) { 3381 Slog.w(TAG, "Apk not found for dexopt: " + path); 3382 ret = -1; 3383 } catch (IOException e) { 3384 Slog.w(TAG, "IOException reading apk: " + path, e); 3385 ret = -1; 3386 } catch (dalvik.system.StaleDexCacheError e) { 3387 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 3388 ret = -1; 3389 } catch (Exception e) { 3390 Slog.w(TAG, "Exception when doing dexopt : ", e); 3391 ret = -1; 3392 } 3393 if (ret < 0) { 3394 //error from installer 3395 return DEX_OPT_FAILED; 3396 } 3397 } 3398 3399 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 3400 } 3401 3402 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 3403 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 3404 Slog.w(TAG, "Unable to update from " + oldPkg.name 3405 + " to " + newPkg.packageName 3406 + ": old package not in system partition"); 3407 return false; 3408 } else if (mPackages.get(oldPkg.name) != null) { 3409 Slog.w(TAG, "Unable to update from " + oldPkg.name 3410 + " to " + newPkg.packageName 3411 + ": old package still exists"); 3412 return false; 3413 } 3414 return true; 3415 } 3416 3417 File getDataPathForUser(int userId) { 3418 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 3419 } 3420 3421 private File getDataPathForPackage(String packageName, int userId) { 3422 /* 3423 * Until we fully support multiple users, return the directory we 3424 * previously would have. The PackageManagerTests will need to be 3425 * revised when this is changed back.. 3426 */ 3427 if (userId == 0) { 3428 return new File(mAppDataDir, packageName); 3429 } else { 3430 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 3431 + File.separator + packageName); 3432 } 3433 } 3434 3435 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 3436 int parseFlags, int scanMode, long currentTime) { 3437 File scanFile = new File(pkg.mScanPath); 3438 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 3439 pkg.applicationInfo.publicSourceDir == null) { 3440 // Bail out. The resource and code paths haven't been set. 3441 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 3442 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 3443 return null; 3444 } 3445 mScanningPath = scanFile; 3446 3447 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3448 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 3449 } 3450 3451 if (pkg.packageName.equals("android")) { 3452 synchronized (mPackages) { 3453 if (mAndroidApplication != null) { 3454 Slog.w(TAG, "*************************************************"); 3455 Slog.w(TAG, "Core android package being redefined. Skipping."); 3456 Slog.w(TAG, " file=" + mScanningPath); 3457 Slog.w(TAG, "*************************************************"); 3458 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3459 return null; 3460 } 3461 3462 // Set up information for our fall-back user intent resolution 3463 // activity. 3464 mPlatformPackage = pkg; 3465 pkg.mVersionCode = mSdkVersion; 3466 mAndroidApplication = pkg.applicationInfo; 3467 mResolveActivity.applicationInfo = mAndroidApplication; 3468 mResolveActivity.name = ResolverActivity.class.getName(); 3469 mResolveActivity.packageName = mAndroidApplication.packageName; 3470 mResolveActivity.processName = mAndroidApplication.processName; 3471 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 3472 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 3473 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 3474 mResolveActivity.exported = true; 3475 mResolveActivity.enabled = true; 3476 mResolveInfo.activityInfo = mResolveActivity; 3477 mResolveInfo.priority = 0; 3478 mResolveInfo.preferredOrder = 0; 3479 mResolveInfo.match = 0; 3480 mResolveComponentName = new ComponentName( 3481 mAndroidApplication.packageName, mResolveActivity.name); 3482 } 3483 } 3484 3485 if (DEBUG_PACKAGE_SCANNING) { 3486 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 3487 Log.d(TAG, "Scanning package " + pkg.packageName); 3488 } 3489 3490 if (mPackages.containsKey(pkg.packageName) 3491 || mSharedLibraries.containsKey(pkg.packageName)) { 3492 Slog.w(TAG, "Application package " + pkg.packageName 3493 + " already installed. Skipping duplicate."); 3494 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3495 return null; 3496 } 3497 3498 // Initialize package source and resource directories 3499 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 3500 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 3501 3502 SharedUserSetting suid = null; 3503 PackageSetting pkgSetting = null; 3504 3505 if (!isSystemApp(pkg)) { 3506 // Only system apps can use these features. 3507 pkg.mOriginalPackages = null; 3508 pkg.mRealPackage = null; 3509 pkg.mAdoptPermissions = null; 3510 } 3511 3512 // writer 3513 synchronized (mPackages) { 3514 // Check all shared libraries and map to their actual file path. 3515 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 3516 if (mTmpSharedLibraries == null || 3517 mTmpSharedLibraries.length < mSharedLibraries.size()) { 3518 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 3519 } 3520 int num = 0; 3521 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 3522 for (int i=0; i<N; i++) { 3523 final String file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 3524 if (file == null) { 3525 Slog.e(TAG, "Package " + pkg.packageName 3526 + " requires unavailable shared library " 3527 + pkg.usesLibraries.get(i) + "; failing!"); 3528 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 3529 return null; 3530 } 3531 mTmpSharedLibraries[num] = file; 3532 num++; 3533 } 3534 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 3535 for (int i=0; i<N; i++) { 3536 final String file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 3537 if (file == null) { 3538 Slog.w(TAG, "Package " + pkg.packageName 3539 + " desires unavailable shared library " 3540 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 3541 } else { 3542 mTmpSharedLibraries[num] = file; 3543 num++; 3544 } 3545 } 3546 if (num > 0) { 3547 pkg.usesLibraryFiles = new String[num]; 3548 System.arraycopy(mTmpSharedLibraries, 0, 3549 pkg.usesLibraryFiles, 0, num); 3550 } 3551 } 3552 3553 if (pkg.mSharedUserId != null) { 3554 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 3555 pkg.applicationInfo.flags, true); 3556 if (suid == null) { 3557 Slog.w(TAG, "Creating application package " + pkg.packageName 3558 + " for shared user failed"); 3559 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 3560 return null; 3561 } 3562 if (DEBUG_PACKAGE_SCANNING) { 3563 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 3564 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 3565 + "): packages=" + suid.packages); 3566 } 3567 } 3568 3569 // Check if we are renaming from an original package name. 3570 PackageSetting origPackage = null; 3571 String realName = null; 3572 if (pkg.mOriginalPackages != null) { 3573 // This package may need to be renamed to a previously 3574 // installed name. Let's check on that... 3575 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 3576 if (pkg.mOriginalPackages.contains(renamed)) { 3577 // This package had originally been installed as the 3578 // original name, and we have already taken care of 3579 // transitioning to the new one. Just update the new 3580 // one to continue using the old name. 3581 realName = pkg.mRealPackage; 3582 if (!pkg.packageName.equals(renamed)) { 3583 // Callers into this function may have already taken 3584 // care of renaming the package; only do it here if 3585 // it is not already done. 3586 pkg.setPackageName(renamed); 3587 } 3588 3589 } else { 3590 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 3591 if ((origPackage = mSettings.peekPackageLPr( 3592 pkg.mOriginalPackages.get(i))) != null) { 3593 // We do have the package already installed under its 3594 // original name... should we use it? 3595 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 3596 // New package is not compatible with original. 3597 origPackage = null; 3598 continue; 3599 } else if (origPackage.sharedUser != null) { 3600 // Make sure uid is compatible between packages. 3601 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 3602 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 3603 + " to " + pkg.packageName + ": old uid " 3604 + origPackage.sharedUser.name 3605 + " differs from " + pkg.mSharedUserId); 3606 origPackage = null; 3607 continue; 3608 } 3609 } else { 3610 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 3611 + pkg.packageName + " to old name " + origPackage.name); 3612 } 3613 break; 3614 } 3615 } 3616 } 3617 } 3618 3619 if (mTransferedPackages.contains(pkg.packageName)) { 3620 Slog.w(TAG, "Package " + pkg.packageName 3621 + " was transferred to another, but its .apk remains"); 3622 } 3623 3624 // Just create the setting, don't add it yet. For already existing packages 3625 // the PkgSetting exists already and doesn't have to be created. 3626 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 3627 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 3628 pkg.applicationInfo.flags, true, false); 3629 if (pkgSetting == null) { 3630 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 3631 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 3632 return null; 3633 } 3634 3635 if (pkgSetting.origPackage != null) { 3636 // If we are first transitioning from an original package, 3637 // fix up the new package's name now. We need to do this after 3638 // looking up the package under its new name, so getPackageLP 3639 // can take care of fiddling things correctly. 3640 pkg.setPackageName(origPackage.name); 3641 3642 // File a report about this. 3643 String msg = "New package " + pkgSetting.realName 3644 + " renamed to replace old package " + pkgSetting.name; 3645 reportSettingsProblem(Log.WARN, msg); 3646 3647 // Make a note of it. 3648 mTransferedPackages.add(origPackage.name); 3649 3650 // No longer need to retain this. 3651 pkgSetting.origPackage = null; 3652 } 3653 3654 if (realName != null) { 3655 // Make a note of it. 3656 mTransferedPackages.add(pkg.packageName); 3657 } 3658 3659 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 3660 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 3661 } 3662 3663 pkg.applicationInfo.uid = pkgSetting.appId; 3664 pkg.mExtras = pkgSetting; 3665 3666 if (!verifySignaturesLP(pkgSetting, pkg)) { 3667 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3668 return null; 3669 } 3670 // The signature has changed, but this package is in the system 3671 // image... let's recover! 3672 pkgSetting.signatures.mSignatures = pkg.mSignatures; 3673 // However... if this package is part of a shared user, but it 3674 // doesn't match the signature of the shared user, let's fail. 3675 // What this means is that you can't change the signatures 3676 // associated with an overall shared user, which doesn't seem all 3677 // that unreasonable. 3678 if (pkgSetting.sharedUser != null) { 3679 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3680 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3681 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 3682 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 3683 return null; 3684 } 3685 } 3686 // File a report about this. 3687 String msg = "System package " + pkg.packageName 3688 + " signature changed; retaining data."; 3689 reportSettingsProblem(Log.WARN, msg); 3690 } 3691 3692 // Verify that this new package doesn't have any content providers 3693 // that conflict with existing packages. Only do this if the 3694 // package isn't already installed, since we don't want to break 3695 // things that are installed. 3696 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 3697 final int N = pkg.providers.size(); 3698 int i; 3699 for (i=0; i<N; i++) { 3700 PackageParser.Provider p = pkg.providers.get(i); 3701 if (p.info.authority != null) { 3702 String names[] = p.info.authority.split(";"); 3703 for (int j = 0; j < names.length; j++) { 3704 if (mProviders.containsKey(names[j])) { 3705 PackageParser.Provider other = mProviders.get(names[j]); 3706 Slog.w(TAG, "Can't install because provider name " + names[j] + 3707 " (in package " + pkg.applicationInfo.packageName + 3708 ") is already used by " 3709 + ((other != null && other.getComponentName() != null) 3710 ? other.getComponentName().getPackageName() : "?")); 3711 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 3712 return null; 3713 } 3714 } 3715 } 3716 } 3717 } 3718 3719 if (pkg.mAdoptPermissions != null) { 3720 // This package wants to adopt ownership of permissions from 3721 // another package. 3722 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 3723 final String origName = pkg.mAdoptPermissions.get(i); 3724 final PackageSetting orig = mSettings.peekPackageLPr(origName); 3725 if (orig != null) { 3726 if (verifyPackageUpdateLPr(orig, pkg)) { 3727 Slog.i(TAG, "Adopting permissions from " + origName + " to " 3728 + pkg.packageName); 3729 mSettings.transferPermissionsLPw(origName, pkg.packageName); 3730 } 3731 } 3732 } 3733 } 3734 } 3735 3736 final String pkgName = pkg.packageName; 3737 3738 final long scanFileTime = scanFile.lastModified(); 3739 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 3740 pkg.applicationInfo.processName = fixProcessName( 3741 pkg.applicationInfo.packageName, 3742 pkg.applicationInfo.processName, 3743 pkg.applicationInfo.uid); 3744 3745 File dataPath; 3746 if (mPlatformPackage == pkg) { 3747 // The system package is special. 3748 dataPath = new File (Environment.getDataDirectory(), "system"); 3749 pkg.applicationInfo.dataDir = dataPath.getPath(); 3750 } else { 3751 // This is a normal package, need to make its data directory. 3752 dataPath = getDataPathForPackage(pkg.packageName, 0); 3753 3754 boolean uidError = false; 3755 3756 if (dataPath.exists()) { 3757 mOutPermissions[1] = 0; 3758 FileUtils.getPermissions(dataPath.getPath(), mOutPermissions); 3759 3760 // If we have mismatched owners for the data path, we have a problem. 3761 if (mOutPermissions[1] != pkg.applicationInfo.uid) { 3762 boolean recovered = false; 3763 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3764 // If this is a system app, we can at least delete its 3765 // current data so the application will still work. 3766 int ret = mInstaller.remove(pkgName, 0); 3767 if (ret >= 0) { 3768 // TODO: Kill the processes first 3769 // Remove the data directories for all users 3770 sUserManager.removePackageForAllUsers(pkgName); 3771 // Old data gone! 3772 String msg = "System package " + pkg.packageName 3773 + " has changed from uid: " 3774 + mOutPermissions[1] + " to " 3775 + pkg.applicationInfo.uid + "; old data erased"; 3776 reportSettingsProblem(Log.WARN, msg); 3777 recovered = true; 3778 3779 // And now re-install the app. 3780 ret = mInstaller.install(pkgName, pkg.applicationInfo.uid, 3781 pkg.applicationInfo.uid); 3782 if (ret == -1) { 3783 // Ack should not happen! 3784 msg = "System package " + pkg.packageName 3785 + " could not have data directory re-created after delete."; 3786 reportSettingsProblem(Log.WARN, msg); 3787 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 3788 return null; 3789 } 3790 // Create data directories for all users 3791 sUserManager.installPackageForAllUsers(pkgName, 3792 pkg.applicationInfo.uid); 3793 } 3794 if (!recovered) { 3795 mHasSystemUidErrors = true; 3796 } 3797 } 3798 if (!recovered) { 3799 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 3800 + pkg.applicationInfo.uid + "/fs_" 3801 + mOutPermissions[1]; 3802 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 3803 String msg = "Package " + pkg.packageName 3804 + " has mismatched uid: " 3805 + mOutPermissions[1] + " on disk, " 3806 + pkg.applicationInfo.uid + " in settings"; 3807 // writer 3808 synchronized (mPackages) { 3809 mSettings.mReadMessages.append(msg); 3810 mSettings.mReadMessages.append('\n'); 3811 uidError = true; 3812 if (!pkgSetting.uidError) { 3813 reportSettingsProblem(Log.ERROR, msg); 3814 } 3815 } 3816 } 3817 } 3818 pkg.applicationInfo.dataDir = dataPath.getPath(); 3819 } else { 3820 if (DEBUG_PACKAGE_SCANNING) { 3821 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 3822 Log.v(TAG, "Want this data dir: " + dataPath); 3823 } 3824 //invoke installer to do the actual installation 3825 int ret = mInstaller.install(pkgName, pkg.applicationInfo.uid, 3826 pkg.applicationInfo.uid); 3827 if (ret < 0) { 3828 // Error from installer 3829 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 3830 return null; 3831 } 3832 // Create data directories for all users 3833 sUserManager.installPackageForAllUsers(pkgName, pkg.applicationInfo.uid); 3834 3835 if (dataPath.exists()) { 3836 pkg.applicationInfo.dataDir = dataPath.getPath(); 3837 } else { 3838 Slog.w(TAG, "Unable to create data directory: " + dataPath); 3839 pkg.applicationInfo.dataDir = null; 3840 } 3841 } 3842 3843 /* 3844 * Set the data dir to the default "/data/data/<package name>/lib" 3845 * if we got here without anyone telling us different (e.g., apps 3846 * stored on SD card have their native libraries stored in the ASEC 3847 * container with the APK). 3848 * 3849 * This happens during an upgrade from a package settings file that 3850 * doesn't have a native library path attribute at all. 3851 */ 3852 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 3853 if (pkgSetting.nativeLibraryPathString == null) { 3854 final String nativeLibraryPath = new File(dataPath, LIB_DIR_NAME).getPath(); 3855 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 3856 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 3857 } else { 3858 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 3859 } 3860 } 3861 3862 pkgSetting.uidError = uidError; 3863 } 3864 3865 String path = scanFile.getPath(); 3866 /* Note: We don't want to unpack the native binaries for 3867 * system applications, unless they have been updated 3868 * (the binaries are already under /system/lib). 3869 * Also, don't unpack libs for apps on the external card 3870 * since they should have their libraries in the ASEC 3871 * container already. 3872 * 3873 * In other words, we're going to unpack the binaries 3874 * only for non-system apps and system app upgrades. 3875 */ 3876 if (pkg.applicationInfo.nativeLibraryDir != null) { 3877 try { 3878 final File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 3879 final String dataPathString = dataPath.getCanonicalPath(); 3880 3881 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 3882 /* 3883 * Upgrading from a previous version of the OS sometimes 3884 * leaves native libraries in the /data/data/<app>/lib 3885 * directory for system apps even when they shouldn't be. 3886 * Recent changes in the JNI library search path 3887 * necessitates we remove those to match previous behavior. 3888 */ 3889 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 3890 Log.i(TAG, "removed obsolete native libraries for system package " 3891 + path); 3892 } 3893 } else if (nativeLibraryDir.getParentFile().getCanonicalPath() 3894 .equals(dataPathString)) { 3895 /* 3896 * Make sure the native library dir isn't a symlink to 3897 * something. If it is, ask installd to remove it and create 3898 * a directory so we can copy to it afterwards. 3899 */ 3900 boolean isSymLink; 3901 try { 3902 isSymLink = S_ISLNK(Libcore.os.lstat(nativeLibraryDir.getPath()).st_mode); 3903 } catch (ErrnoException e) { 3904 // This shouldn't happen, but we'll fail-safe. 3905 isSymLink = true; 3906 } 3907 if (isSymLink) { 3908 mInstaller.unlinkNativeLibraryDirectory(dataPathString); 3909 } 3910 3911 /* 3912 * If this is an internal application or our 3913 * nativeLibraryPath points to our data directory, unpack 3914 * the libraries if necessary. 3915 */ 3916 NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 3917 } else { 3918 Slog.i(TAG, "Linking native library dir for " + path); 3919 mInstaller.linkNativeLibraryDirectory(dataPathString, 3920 pkg.applicationInfo.nativeLibraryDir); 3921 } 3922 } catch (IOException ioe) { 3923 Log.e(TAG, "Unable to get canonical file " + ioe.toString()); 3924 } 3925 } 3926 pkg.mScanPath = path; 3927 3928 if ((scanMode&SCAN_NO_DEX) == 0) { 3929 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0) 3930 == DEX_OPT_FAILED) { 3931 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 3932 return null; 3933 } 3934 } 3935 3936 if (mFactoryTest && pkg.requestedPermissions.contains( 3937 android.Manifest.permission.FACTORY_TEST)) { 3938 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 3939 } 3940 3941 // Request the ActivityManager to kill the process(only for existing packages) 3942 // so that we do not end up in a confused state while the user is still using the older 3943 // version of the application while the new one gets installed. 3944 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 3945 killApplication(pkg.applicationInfo.packageName, 3946 pkg.applicationInfo.uid); 3947 } 3948 3949 // writer 3950 synchronized (mPackages) { 3951 // We don't expect installation to fail beyond this point, 3952 if ((scanMode&SCAN_MONITOR) != 0) { 3953 mAppDirs.put(pkg.mPath, pkg); 3954 } 3955 // Add the new setting to mSettings 3956 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 3957 // Add the new setting to mPackages 3958 mPackages.put(pkg.applicationInfo.packageName, pkg); 3959 // Make sure we don't accidentally delete its data. 3960 mSettings.mPackagesToBeCleaned.remove(pkgName); 3961 3962 // Take care of first install / last update times. 3963 if (currentTime != 0) { 3964 if (pkgSetting.firstInstallTime == 0) { 3965 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 3966 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 3967 pkgSetting.lastUpdateTime = currentTime; 3968 } 3969 } else if (pkgSetting.firstInstallTime == 0) { 3970 // We need *something*. Take time time stamp of the file. 3971 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 3972 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 3973 if (scanFileTime != pkgSetting.timeStamp) { 3974 // A package on the system image has changed; consider this 3975 // to be an update. 3976 pkgSetting.lastUpdateTime = scanFileTime; 3977 } 3978 } 3979 3980 int N = pkg.providers.size(); 3981 StringBuilder r = null; 3982 int i; 3983 for (i=0; i<N; i++) { 3984 PackageParser.Provider p = pkg.providers.get(i); 3985 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 3986 p.info.processName, pkg.applicationInfo.uid); 3987 mProvidersByComponent.put(new ComponentName(p.info.packageName, 3988 p.info.name), p); 3989 p.syncable = p.info.isSyncable; 3990 if (p.info.authority != null) { 3991 String names[] = p.info.authority.split(";"); 3992 p.info.authority = null; 3993 for (int j = 0; j < names.length; j++) { 3994 if (j == 1 && p.syncable) { 3995 // We only want the first authority for a provider to possibly be 3996 // syncable, so if we already added this provider using a different 3997 // authority clear the syncable flag. We copy the provider before 3998 // changing it because the mProviders object contains a reference 3999 // to a provider that we don't want to change. 4000 // Only do this for the second authority since the resulting provider 4001 // object can be the same for all future authorities for this provider. 4002 p = new PackageParser.Provider(p); 4003 p.syncable = false; 4004 } 4005 if (!mProviders.containsKey(names[j])) { 4006 mProviders.put(names[j], p); 4007 if (p.info.authority == null) { 4008 p.info.authority = names[j]; 4009 } else { 4010 p.info.authority = p.info.authority + ";" + names[j]; 4011 } 4012 if (DEBUG_PACKAGE_SCANNING) { 4013 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4014 Log.d(TAG, "Registered content provider: " + names[j] 4015 + ", className = " + p.info.name + ", isSyncable = " 4016 + p.info.isSyncable); 4017 } 4018 } else { 4019 PackageParser.Provider other = mProviders.get(names[j]); 4020 Slog.w(TAG, "Skipping provider name " + names[j] + 4021 " (in package " + pkg.applicationInfo.packageName + 4022 "): name already used by " 4023 + ((other != null && other.getComponentName() != null) 4024 ? other.getComponentName().getPackageName() : "?")); 4025 } 4026 } 4027 } 4028 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4029 if (r == null) { 4030 r = new StringBuilder(256); 4031 } else { 4032 r.append(' '); 4033 } 4034 r.append(p.info.name); 4035 } 4036 } 4037 if (r != null) { 4038 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 4039 } 4040 4041 N = pkg.services.size(); 4042 r = null; 4043 for (i=0; i<N; i++) { 4044 PackageParser.Service s = pkg.services.get(i); 4045 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 4046 s.info.processName, pkg.applicationInfo.uid); 4047 mServices.addService(s); 4048 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4049 if (r == null) { 4050 r = new StringBuilder(256); 4051 } else { 4052 r.append(' '); 4053 } 4054 r.append(s.info.name); 4055 } 4056 } 4057 if (r != null) { 4058 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 4059 } 4060 4061 N = pkg.receivers.size(); 4062 r = null; 4063 for (i=0; i<N; i++) { 4064 PackageParser.Activity a = pkg.receivers.get(i); 4065 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4066 a.info.processName, pkg.applicationInfo.uid); 4067 mReceivers.addActivity(a, "receiver"); 4068 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4069 if (r == null) { 4070 r = new StringBuilder(256); 4071 } else { 4072 r.append(' '); 4073 } 4074 r.append(a.info.name); 4075 } 4076 } 4077 if (r != null) { 4078 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 4079 } 4080 4081 N = pkg.activities.size(); 4082 r = null; 4083 for (i=0; i<N; i++) { 4084 PackageParser.Activity a = pkg.activities.get(i); 4085 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4086 a.info.processName, pkg.applicationInfo.uid); 4087 mActivities.addActivity(a, "activity"); 4088 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4089 if (r == null) { 4090 r = new StringBuilder(256); 4091 } else { 4092 r.append(' '); 4093 } 4094 r.append(a.info.name); 4095 } 4096 } 4097 if (r != null) { 4098 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 4099 } 4100 4101 N = pkg.permissionGroups.size(); 4102 r = null; 4103 for (i=0; i<N; i++) { 4104 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 4105 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 4106 if (cur == null) { 4107 mPermissionGroups.put(pg.info.name, pg); 4108 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4109 if (r == null) { 4110 r = new StringBuilder(256); 4111 } else { 4112 r.append(' '); 4113 } 4114 r.append(pg.info.name); 4115 } 4116 } else { 4117 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 4118 + pg.info.packageName + " ignored: original from " 4119 + cur.info.packageName); 4120 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4121 if (r == null) { 4122 r = new StringBuilder(256); 4123 } else { 4124 r.append(' '); 4125 } 4126 r.append("DUP:"); 4127 r.append(pg.info.name); 4128 } 4129 } 4130 } 4131 if (r != null) { 4132 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 4133 } 4134 4135 N = pkg.permissions.size(); 4136 r = null; 4137 for (i=0; i<N; i++) { 4138 PackageParser.Permission p = pkg.permissions.get(i); 4139 HashMap<String, BasePermission> permissionMap = 4140 p.tree ? mSettings.mPermissionTrees 4141 : mSettings.mPermissions; 4142 p.group = mPermissionGroups.get(p.info.group); 4143 if (p.info.group == null || p.group != null) { 4144 BasePermission bp = permissionMap.get(p.info.name); 4145 if (bp == null) { 4146 bp = new BasePermission(p.info.name, p.info.packageName, 4147 BasePermission.TYPE_NORMAL); 4148 permissionMap.put(p.info.name, bp); 4149 } 4150 if (bp.perm == null) { 4151 if (bp.sourcePackage == null 4152 || bp.sourcePackage.equals(p.info.packageName)) { 4153 BasePermission tree = findPermissionTreeLP(p.info.name); 4154 if (tree == null 4155 || tree.sourcePackage.equals(p.info.packageName)) { 4156 bp.packageSetting = pkgSetting; 4157 bp.perm = p; 4158 bp.uid = pkg.applicationInfo.uid; 4159 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4160 if (r == null) { 4161 r = new StringBuilder(256); 4162 } else { 4163 r.append(' '); 4164 } 4165 r.append(p.info.name); 4166 } 4167 } else { 4168 Slog.w(TAG, "Permission " + p.info.name + " from package " 4169 + p.info.packageName + " ignored: base tree " 4170 + tree.name + " is from package " 4171 + tree.sourcePackage); 4172 } 4173 } else { 4174 Slog.w(TAG, "Permission " + p.info.name + " from package " 4175 + p.info.packageName + " ignored: original from " 4176 + bp.sourcePackage); 4177 } 4178 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4179 if (r == null) { 4180 r = new StringBuilder(256); 4181 } else { 4182 r.append(' '); 4183 } 4184 r.append("DUP:"); 4185 r.append(p.info.name); 4186 } 4187 if (bp.perm == p) { 4188 bp.protectionLevel = p.info.protectionLevel; 4189 } 4190 } else { 4191 Slog.w(TAG, "Permission " + p.info.name + " from package " 4192 + p.info.packageName + " ignored: no group " 4193 + p.group); 4194 } 4195 } 4196 if (r != null) { 4197 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 4198 } 4199 4200 N = pkg.instrumentation.size(); 4201 r = null; 4202 for (i=0; i<N; i++) { 4203 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 4204 a.info.packageName = pkg.applicationInfo.packageName; 4205 a.info.sourceDir = pkg.applicationInfo.sourceDir; 4206 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 4207 a.info.dataDir = pkg.applicationInfo.dataDir; 4208 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 4209 mInstrumentation.put(a.getComponentName(), a); 4210 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4211 if (r == null) { 4212 r = new StringBuilder(256); 4213 } else { 4214 r.append(' '); 4215 } 4216 r.append(a.info.name); 4217 } 4218 } 4219 if (r != null) { 4220 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 4221 } 4222 4223 if (pkg.protectedBroadcasts != null) { 4224 N = pkg.protectedBroadcasts.size(); 4225 for (i=0; i<N; i++) { 4226 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 4227 } 4228 } 4229 4230 pkgSetting.setTimeStamp(scanFileTime); 4231 } 4232 4233 return pkg; 4234 } 4235 4236 private void killApplication(String pkgName, int uid) { 4237 // Request the ActivityManager to kill the process(only for existing packages) 4238 // so that we do not end up in a confused state while the user is still using the older 4239 // version of the application while the new one gets installed. 4240 IActivityManager am = ActivityManagerNative.getDefault(); 4241 if (am != null) { 4242 try { 4243 am.killApplicationWithUid(pkgName, uid); 4244 } catch (RemoteException e) { 4245 } 4246 } 4247 } 4248 4249 void removePackageLI(PackageParser.Package pkg, boolean chatty) { 4250 if (DEBUG_INSTALL) { 4251 if (chatty) 4252 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 4253 } 4254 4255 // writer 4256 synchronized (mPackages) { 4257 mPackages.remove(pkg.applicationInfo.packageName); 4258 if (pkg.mPath != null) { 4259 mAppDirs.remove(pkg.mPath); 4260 } 4261 4262 int N = pkg.providers.size(); 4263 StringBuilder r = null; 4264 int i; 4265 for (i=0; i<N; i++) { 4266 PackageParser.Provider p = pkg.providers.get(i); 4267 mProvidersByComponent.remove(new ComponentName(p.info.packageName, 4268 p.info.name)); 4269 if (p.info.authority == null) { 4270 4271 /* The is another ContentProvider with this authority when 4272 * this app was installed so this authority is null, 4273 * Ignore it as we don't have to unregister the provider. 4274 */ 4275 continue; 4276 } 4277 String names[] = p.info.authority.split(";"); 4278 for (int j = 0; j < names.length; j++) { 4279 if (mProviders.get(names[j]) == p) { 4280 mProviders.remove(names[j]); 4281 if (DEBUG_REMOVE) { 4282 if (chatty) 4283 Log.d(TAG, "Unregistered content provider: " + names[j] 4284 + ", className = " + p.info.name + ", isSyncable = " 4285 + p.info.isSyncable); 4286 } 4287 } 4288 } 4289 if (chatty) { 4290 if (r == null) { 4291 r = new StringBuilder(256); 4292 } else { 4293 r.append(' '); 4294 } 4295 r.append(p.info.name); 4296 } 4297 } 4298 if (r != null) { 4299 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 4300 } 4301 4302 N = pkg.services.size(); 4303 r = null; 4304 for (i=0; i<N; i++) { 4305 PackageParser.Service s = pkg.services.get(i); 4306 mServices.removeService(s); 4307 if (chatty) { 4308 if (r == null) { 4309 r = new StringBuilder(256); 4310 } else { 4311 r.append(' '); 4312 } 4313 r.append(s.info.name); 4314 } 4315 } 4316 if (r != null) { 4317 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 4318 } 4319 4320 N = pkg.receivers.size(); 4321 r = null; 4322 for (i=0; i<N; i++) { 4323 PackageParser.Activity a = pkg.receivers.get(i); 4324 mReceivers.removeActivity(a, "receiver"); 4325 if (chatty) { 4326 if (r == null) { 4327 r = new StringBuilder(256); 4328 } else { 4329 r.append(' '); 4330 } 4331 r.append(a.info.name); 4332 } 4333 } 4334 if (r != null) { 4335 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 4336 } 4337 4338 N = pkg.activities.size(); 4339 r = null; 4340 for (i=0; i<N; i++) { 4341 PackageParser.Activity a = pkg.activities.get(i); 4342 mActivities.removeActivity(a, "activity"); 4343 if (chatty) { 4344 if (r == null) { 4345 r = new StringBuilder(256); 4346 } else { 4347 r.append(' '); 4348 } 4349 r.append(a.info.name); 4350 } 4351 } 4352 if (r != null) { 4353 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 4354 } 4355 4356 N = pkg.permissions.size(); 4357 r = null; 4358 for (i=0; i<N; i++) { 4359 PackageParser.Permission p = pkg.permissions.get(i); 4360 BasePermission bp = mSettings.mPermissions.get(p.info.name); 4361 if (bp == null) { 4362 bp = mSettings.mPermissionTrees.get(p.info.name); 4363 } 4364 if (bp != null && bp.perm == p) { 4365 bp.perm = null; 4366 if (chatty) { 4367 if (r == null) { 4368 r = new StringBuilder(256); 4369 } else { 4370 r.append(' '); 4371 } 4372 r.append(p.info.name); 4373 } 4374 } 4375 } 4376 if (r != null) { 4377 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 4378 } 4379 4380 N = pkg.instrumentation.size(); 4381 r = null; 4382 for (i=0; i<N; i++) { 4383 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 4384 mInstrumentation.remove(a.getComponentName()); 4385 if (chatty) { 4386 if (r == null) { 4387 r = new StringBuilder(256); 4388 } else { 4389 r.append(' '); 4390 } 4391 r.append(a.info.name); 4392 } 4393 } 4394 if (r != null) { 4395 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 4396 } 4397 } 4398 } 4399 4400 private static final boolean isPackageFilename(String name) { 4401 return name != null && name.endsWith(".apk"); 4402 } 4403 4404 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 4405 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 4406 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 4407 return true; 4408 } 4409 } 4410 return false; 4411 } 4412 4413 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 4414 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 4415 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 4416 4417 private void updatePermissionsLPw(String changingPkg, 4418 PackageParser.Package pkgInfo, int flags) { 4419 // Make sure there are no dangling permission trees. 4420 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 4421 while (it.hasNext()) { 4422 final BasePermission bp = it.next(); 4423 if (bp.packageSetting == null) { 4424 // We may not yet have parsed the package, so just see if 4425 // we still know about its settings. 4426 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 4427 } 4428 if (bp.packageSetting == null) { 4429 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 4430 + " from package " + bp.sourcePackage); 4431 it.remove(); 4432 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 4433 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 4434 Slog.i(TAG, "Removing old permission tree: " + bp.name 4435 + " from package " + bp.sourcePackage); 4436 flags |= UPDATE_PERMISSIONS_ALL; 4437 it.remove(); 4438 } 4439 } 4440 } 4441 4442 // Make sure all dynamic permissions have been assigned to a package, 4443 // and make sure there are no dangling permissions. 4444 it = mSettings.mPermissions.values().iterator(); 4445 while (it.hasNext()) { 4446 final BasePermission bp = it.next(); 4447 if (bp.type == BasePermission.TYPE_DYNAMIC) { 4448 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 4449 + bp.name + " pkg=" + bp.sourcePackage 4450 + " info=" + bp.pendingInfo); 4451 if (bp.packageSetting == null && bp.pendingInfo != null) { 4452 final BasePermission tree = findPermissionTreeLP(bp.name); 4453 if (tree != null && tree.perm != null) { 4454 bp.packageSetting = tree.packageSetting; 4455 bp.perm = new PackageParser.Permission(tree.perm.owner, 4456 new PermissionInfo(bp.pendingInfo)); 4457 bp.perm.info.packageName = tree.perm.info.packageName; 4458 bp.perm.info.name = bp.name; 4459 bp.uid = tree.uid; 4460 } 4461 } 4462 } 4463 if (bp.packageSetting == null) { 4464 // We may not yet have parsed the package, so just see if 4465 // we still know about its settings. 4466 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 4467 } 4468 if (bp.packageSetting == null) { 4469 Slog.w(TAG, "Removing dangling permission: " + bp.name 4470 + " from package " + bp.sourcePackage); 4471 it.remove(); 4472 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 4473 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 4474 Slog.i(TAG, "Removing old permission: " + bp.name 4475 + " from package " + bp.sourcePackage); 4476 flags |= UPDATE_PERMISSIONS_ALL; 4477 it.remove(); 4478 } 4479 } 4480 } 4481 4482 // Now update the permissions for all packages, in particular 4483 // replace the granted permissions of the system packages. 4484 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 4485 for (PackageParser.Package pkg : mPackages.values()) { 4486 if (pkg != pkgInfo) { 4487 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 4488 } 4489 } 4490 } 4491 4492 if (pkgInfo != null) { 4493 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 4494 } 4495 } 4496 4497 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 4498 final PackageSetting ps = (PackageSetting) pkg.mExtras; 4499 if (ps == null) { 4500 return; 4501 } 4502 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 4503 HashSet<String> origPermissions = gp.grantedPermissions; 4504 boolean changedPermission = false; 4505 4506 if (replace) { 4507 ps.permissionsFixed = false; 4508 if (gp == ps) { 4509 origPermissions = new HashSet<String>(gp.grantedPermissions); 4510 gp.grantedPermissions.clear(); 4511 gp.gids = mGlobalGids; 4512 } 4513 } 4514 4515 if (gp.gids == null) { 4516 gp.gids = mGlobalGids; 4517 } 4518 4519 final int N = pkg.requestedPermissions.size(); 4520 for (int i=0; i<N; i++) { 4521 final String name = pkg.requestedPermissions.get(i); 4522 //final boolean required = pkg.requestedPermssionsRequired.get(i); 4523 final BasePermission bp = mSettings.mPermissions.get(name); 4524 if (DEBUG_INSTALL) { 4525 if (gp != ps) { 4526 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 4527 } 4528 } 4529 if (bp != null && bp.packageSetting != null) { 4530 final String perm = bp.name; 4531 boolean allowed; 4532 boolean allowedSig = false; 4533 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 4534 if (level == PermissionInfo.PROTECTION_NORMAL 4535 || level == PermissionInfo.PROTECTION_DANGEROUS) { 4536 allowed = true; 4537 } else if (bp.packageSetting == null) { 4538 // This permission is invalid; skip it. 4539 allowed = false; 4540 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 4541 allowed = (compareSignatures( 4542 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 4543 == PackageManager.SIGNATURE_MATCH) 4544 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 4545 == PackageManager.SIGNATURE_MATCH); 4546 if (!allowed && (bp.protectionLevel 4547 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 4548 if (isSystemApp(pkg)) { 4549 // For updated system applications, a system permission 4550 // is granted only if it had been defined by the original application. 4551 if (isUpdatedSystemApp(pkg)) { 4552 final PackageSetting sysPs = mSettings 4553 .getDisabledSystemPkgLPr(pkg.packageName); 4554 final GrantedPermissions origGp = sysPs.sharedUser != null 4555 ? sysPs.sharedUser : sysPs; 4556 if (origGp.grantedPermissions.contains(perm)) { 4557 allowed = true; 4558 } else { 4559 allowed = false; 4560 } 4561 } else { 4562 allowed = true; 4563 } 4564 } 4565 } 4566 if (!allowed && (bp.protectionLevel 4567 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 4568 // For development permissions, a development permission 4569 // is granted only if it was already granted. 4570 if (origPermissions.contains(perm)) { 4571 allowed = true; 4572 } else { 4573 allowed = false; 4574 } 4575 } 4576 if (allowed) { 4577 allowedSig = true; 4578 } 4579 } else { 4580 allowed = false; 4581 } 4582 if (DEBUG_INSTALL) { 4583 if (gp != ps) { 4584 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 4585 } 4586 } 4587 if (allowed) { 4588 if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 4589 && ps.permissionsFixed) { 4590 // If this is an existing, non-system package, then 4591 // we can't add any new permissions to it. 4592 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 4593 allowed = false; 4594 // Except... if this is a permission that was added 4595 // to the platform (note: need to only do this when 4596 // updating the platform). 4597 final int NP = PackageParser.NEW_PERMISSIONS.length; 4598 for (int ip=0; ip<NP; ip++) { 4599 final PackageParser.NewPermissionInfo npi 4600 = PackageParser.NEW_PERMISSIONS[ip]; 4601 if (npi.name.equals(perm) 4602 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 4603 allowed = true; 4604 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 4605 + pkg.packageName); 4606 break; 4607 } 4608 } 4609 } 4610 } 4611 if (allowed) { 4612 if (!gp.grantedPermissions.contains(perm)) { 4613 changedPermission = true; 4614 gp.grantedPermissions.add(perm); 4615 gp.gids = appendInts(gp.gids, bp.gids); 4616 } else if (!ps.haveGids) { 4617 gp.gids = appendInts(gp.gids, bp.gids); 4618 } 4619 } else { 4620 Slog.w(TAG, "Not granting permission " + perm 4621 + " to package " + pkg.packageName 4622 + " because it was previously installed without"); 4623 } 4624 } else { 4625 if (gp.grantedPermissions.remove(perm)) { 4626 changedPermission = true; 4627 gp.gids = removeInts(gp.gids, bp.gids); 4628 Slog.i(TAG, "Un-granting permission " + perm 4629 + " from package " + pkg.packageName 4630 + " (protectionLevel=" + bp.protectionLevel 4631 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 4632 + ")"); 4633 } else { 4634 Slog.w(TAG, "Not granting permission " + perm 4635 + " to package " + pkg.packageName 4636 + " (protectionLevel=" + bp.protectionLevel 4637 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 4638 + ")"); 4639 } 4640 } 4641 } else { 4642 Slog.w(TAG, "Unknown permission " + name 4643 + " in package " + pkg.packageName); 4644 } 4645 } 4646 4647 if ((changedPermission || replace) && !ps.permissionsFixed && 4648 ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) || 4649 ((ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0)){ 4650 // This is the first that we have heard about this package, so the 4651 // permissions we have now selected are fixed until explicitly 4652 // changed. 4653 ps.permissionsFixed = true; 4654 } 4655 ps.haveGids = true; 4656 } 4657 4658 private final class ActivityIntentResolver 4659 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 4660 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 4661 boolean defaultOnly, int userId) { 4662 if (!sUserManager.exists(userId)) return null; 4663 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 4664 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 4665 } 4666 4667 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 4668 int userId) { 4669 if (!sUserManager.exists(userId)) return null; 4670 mFlags = flags; 4671 return super.queryIntent(intent, resolvedType, 4672 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 4673 } 4674 4675 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 4676 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 4677 if (!sUserManager.exists(userId)) return null; 4678 if (packageActivities == null) { 4679 return null; 4680 } 4681 mFlags = flags; 4682 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 4683 final int N = packageActivities.size(); 4684 ArrayList<ArrayList<PackageParser.ActivityIntentInfo>> listCut = 4685 new ArrayList<ArrayList<PackageParser.ActivityIntentInfo>>(N); 4686 4687 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 4688 for (int i = 0; i < N; ++i) { 4689 intentFilters = packageActivities.get(i).intents; 4690 if (intentFilters != null && intentFilters.size() > 0) { 4691 listCut.add(intentFilters); 4692 } 4693 } 4694 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 4695 } 4696 4697 public final void addActivity(PackageParser.Activity a, String type) { 4698 final boolean systemApp = isSystemApp(a.info.applicationInfo); 4699 mActivities.put(a.getComponentName(), a); 4700 if (DEBUG_SHOW_INFO) 4701 Log.v( 4702 TAG, " " + type + " " + 4703 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 4704 if (DEBUG_SHOW_INFO) 4705 Log.v(TAG, " Class=" + a.info.name); 4706 final int NI = a.intents.size(); 4707 for (int j=0; j<NI; j++) { 4708 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 4709 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 4710 intent.setPriority(0); 4711 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 4712 + a.className + " with priority > 0, forcing to 0"); 4713 } 4714 if (DEBUG_SHOW_INFO) { 4715 Log.v(TAG, " IntentFilter:"); 4716 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 4717 } 4718 if (!intent.debugCheck()) { 4719 Log.w(TAG, "==> For Activity " + a.info.name); 4720 } 4721 addFilter(intent); 4722 } 4723 } 4724 4725 public final void removeActivity(PackageParser.Activity a, String type) { 4726 mActivities.remove(a.getComponentName()); 4727 if (DEBUG_SHOW_INFO) { 4728 Log.v(TAG, " " + type + " " 4729 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 4730 : a.info.name) + ":"); 4731 Log.v(TAG, " Class=" + a.info.name); 4732 } 4733 final int NI = a.intents.size(); 4734 for (int j=0; j<NI; j++) { 4735 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 4736 if (DEBUG_SHOW_INFO) { 4737 Log.v(TAG, " IntentFilter:"); 4738 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 4739 } 4740 removeFilter(intent); 4741 } 4742 } 4743 4744 @Override 4745 protected boolean allowFilterResult( 4746 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 4747 ActivityInfo filterAi = filter.activity.info; 4748 for (int i=dest.size()-1; i>=0; i--) { 4749 ActivityInfo destAi = dest.get(i).activityInfo; 4750 if (destAi.name == filterAi.name 4751 && destAi.packageName == filterAi.packageName) { 4752 return false; 4753 } 4754 } 4755 return true; 4756 } 4757 4758 @Override 4759 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 4760 if (!sUserManager.exists(userId)) return true; 4761 PackageParser.Package p = filter.activity.owner; 4762 if (p != null) { 4763 PackageSetting ps = (PackageSetting)p.mExtras; 4764 if (ps != null) { 4765 // System apps are never considered stopped for purposes of 4766 // filtering, because there may be no way for the user to 4767 // actually re-launch them. 4768 return ps.getStopped(userId) && (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0; 4769 } 4770 } 4771 return false; 4772 } 4773 4774 @Override 4775 protected String packageForFilter(PackageParser.ActivityIntentInfo info) { 4776 return info.activity.owner.packageName; 4777 } 4778 4779 @Override 4780 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 4781 int match, int userId) { 4782 if (!sUserManager.exists(userId)) return null; 4783 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 4784 return null; 4785 } 4786 final PackageParser.Activity activity = info.activity; 4787 if (mSafeMode && (activity.info.applicationInfo.flags 4788 &ApplicationInfo.FLAG_SYSTEM) == 0) { 4789 return null; 4790 } 4791 final ResolveInfo res = new ResolveInfo(); 4792 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 4793 res.activityInfo = PackageParser.generateActivityInfo(activity, mFlags, 4794 ps != null ? ps.getStopped(userId) : false, 4795 ps != null ? ps.getEnabled(userId) : COMPONENT_ENABLED_STATE_DEFAULT, 4796 userId); 4797 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 4798 res.filter = info; 4799 } 4800 res.priority = info.getPriority(); 4801 res.preferredOrder = activity.owner.mPreferredOrder; 4802 //System.out.println("Result: " + res.activityInfo.className + 4803 // " = " + res.priority); 4804 res.match = match; 4805 res.isDefault = info.hasDefault; 4806 res.labelRes = info.labelRes; 4807 res.nonLocalizedLabel = info.nonLocalizedLabel; 4808 res.icon = info.icon; 4809 res.system = isSystemApp(res.activityInfo.applicationInfo); 4810 return res; 4811 } 4812 4813 @Override 4814 protected void sortResults(List<ResolveInfo> results) { 4815 Collections.sort(results, mResolvePrioritySorter); 4816 } 4817 4818 @Override 4819 protected void dumpFilter(PrintWriter out, String prefix, 4820 PackageParser.ActivityIntentInfo filter) { 4821 out.print(prefix); out.print( 4822 Integer.toHexString(System.identityHashCode(filter.activity))); 4823 out.print(' '); 4824 out.print(filter.activity.getComponentShortName()); 4825 out.print(" filter "); 4826 out.println(Integer.toHexString(System.identityHashCode(filter))); 4827 } 4828 4829// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 4830// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 4831// final List<ResolveInfo> retList = Lists.newArrayList(); 4832// while (i.hasNext()) { 4833// final ResolveInfo resolveInfo = i.next(); 4834// if (isEnabledLP(resolveInfo.activityInfo)) { 4835// retList.add(resolveInfo); 4836// } 4837// } 4838// return retList; 4839// } 4840 4841 // Keys are String (activity class name), values are Activity. 4842 private final HashMap<ComponentName, PackageParser.Activity> mActivities 4843 = new HashMap<ComponentName, PackageParser.Activity>(); 4844 private int mFlags; 4845 } 4846 4847 private final class ServiceIntentResolver 4848 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 4849 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 4850 boolean defaultOnly, int userId) { 4851 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 4852 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 4853 } 4854 4855 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 4856 int userId) { 4857 if (!sUserManager.exists(userId)) return null; 4858 mFlags = flags; 4859 return super.queryIntent(intent, resolvedType, 4860 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 4861 } 4862 4863 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 4864 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 4865 if (!sUserManager.exists(userId)) return null; 4866 if (packageServices == null) { 4867 return null; 4868 } 4869 mFlags = flags; 4870 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 4871 final int N = packageServices.size(); 4872 ArrayList<ArrayList<PackageParser.ServiceIntentInfo>> listCut = 4873 new ArrayList<ArrayList<PackageParser.ServiceIntentInfo>>(N); 4874 4875 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 4876 for (int i = 0; i < N; ++i) { 4877 intentFilters = packageServices.get(i).intents; 4878 if (intentFilters != null && intentFilters.size() > 0) { 4879 listCut.add(intentFilters); 4880 } 4881 } 4882 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 4883 } 4884 4885 public final void addService(PackageParser.Service s) { 4886 mServices.put(s.getComponentName(), s); 4887 if (DEBUG_SHOW_INFO) { 4888 Log.v(TAG, " " 4889 + (s.info.nonLocalizedLabel != null 4890 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 4891 Log.v(TAG, " Class=" + s.info.name); 4892 } 4893 final int NI = s.intents.size(); 4894 int j; 4895 for (j=0; j<NI; j++) { 4896 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 4897 if (DEBUG_SHOW_INFO) { 4898 Log.v(TAG, " IntentFilter:"); 4899 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 4900 } 4901 if (!intent.debugCheck()) { 4902 Log.w(TAG, "==> For Service " + s.info.name); 4903 } 4904 addFilter(intent); 4905 } 4906 } 4907 4908 public final void removeService(PackageParser.Service s) { 4909 mServices.remove(s.getComponentName()); 4910 if (DEBUG_SHOW_INFO) { 4911 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 4912 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 4913 Log.v(TAG, " Class=" + s.info.name); 4914 } 4915 final int NI = s.intents.size(); 4916 int j; 4917 for (j=0; j<NI; j++) { 4918 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 4919 if (DEBUG_SHOW_INFO) { 4920 Log.v(TAG, " IntentFilter:"); 4921 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 4922 } 4923 removeFilter(intent); 4924 } 4925 } 4926 4927 @Override 4928 protected boolean allowFilterResult( 4929 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 4930 ServiceInfo filterSi = filter.service.info; 4931 for (int i=dest.size()-1; i>=0; i--) { 4932 ServiceInfo destAi = dest.get(i).serviceInfo; 4933 if (destAi.name == filterSi.name 4934 && destAi.packageName == filterSi.packageName) { 4935 return false; 4936 } 4937 } 4938 return true; 4939 } 4940 4941 @Override 4942 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 4943 if (!sUserManager.exists(userId)) return true; 4944 PackageParser.Package p = filter.service.owner; 4945 if (p != null) { 4946 PackageSetting ps = (PackageSetting)p.mExtras; 4947 if (ps != null) { 4948 // System apps are never considered stopped for purposes of 4949 // filtering, because there may be no way for the user to 4950 // actually re-launch them. 4951 return ps.getStopped(userId) 4952 && (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0; 4953 } 4954 } 4955 return false; 4956 } 4957 4958 @Override 4959 protected String packageForFilter(PackageParser.ServiceIntentInfo info) { 4960 return info.service.owner.packageName; 4961 } 4962 4963 @Override 4964 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 4965 int match, int userId) { 4966 if (!sUserManager.exists(userId)) return null; 4967 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 4968 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 4969 return null; 4970 } 4971 final PackageParser.Service service = info.service; 4972 if (mSafeMode && (service.info.applicationInfo.flags 4973 &ApplicationInfo.FLAG_SYSTEM) == 0) { 4974 return null; 4975 } 4976 final ResolveInfo res = new ResolveInfo(); 4977 PackageSetting ps = (PackageSetting) service.owner.mExtras; 4978 res.serviceInfo = PackageParser.generateServiceInfo(service, mFlags, 4979 ps != null ? ps.getStopped(userId) : false, 4980 ps != null ? ps.getEnabled(userId) : COMPONENT_ENABLED_STATE_DEFAULT, 4981 userId); 4982 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 4983 res.filter = filter; 4984 } 4985 res.priority = info.getPriority(); 4986 res.preferredOrder = service.owner.mPreferredOrder; 4987 //System.out.println("Result: " + res.activityInfo.className + 4988 // " = " + res.priority); 4989 res.match = match; 4990 res.isDefault = info.hasDefault; 4991 res.labelRes = info.labelRes; 4992 res.nonLocalizedLabel = info.nonLocalizedLabel; 4993 res.icon = info.icon; 4994 res.system = isSystemApp(res.serviceInfo.applicationInfo); 4995 return res; 4996 } 4997 4998 @Override 4999 protected void sortResults(List<ResolveInfo> results) { 5000 Collections.sort(results, mResolvePrioritySorter); 5001 } 5002 5003 @Override 5004 protected void dumpFilter(PrintWriter out, String prefix, 5005 PackageParser.ServiceIntentInfo filter) { 5006 out.print(prefix); out.print( 5007 Integer.toHexString(System.identityHashCode(filter.service))); 5008 out.print(' '); 5009 out.print(filter.service.getComponentShortName()); 5010 out.print(" filter "); 5011 out.println(Integer.toHexString(System.identityHashCode(filter))); 5012 } 5013 5014// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 5015// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 5016// final List<ResolveInfo> retList = Lists.newArrayList(); 5017// while (i.hasNext()) { 5018// final ResolveInfo resolveInfo = (ResolveInfo) i; 5019// if (isEnabledLP(resolveInfo.serviceInfo)) { 5020// retList.add(resolveInfo); 5021// } 5022// } 5023// return retList; 5024// } 5025 5026 // Keys are String (activity class name), values are Activity. 5027 private final HashMap<ComponentName, PackageParser.Service> mServices 5028 = new HashMap<ComponentName, PackageParser.Service>(); 5029 private int mFlags; 5030 }; 5031 5032 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 5033 new Comparator<ResolveInfo>() { 5034 public int compare(ResolveInfo r1, ResolveInfo r2) { 5035 int v1 = r1.priority; 5036 int v2 = r2.priority; 5037 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 5038 if (v1 != v2) { 5039 return (v1 > v2) ? -1 : 1; 5040 } 5041 v1 = r1.preferredOrder; 5042 v2 = r2.preferredOrder; 5043 if (v1 != v2) { 5044 return (v1 > v2) ? -1 : 1; 5045 } 5046 if (r1.isDefault != r2.isDefault) { 5047 return r1.isDefault ? -1 : 1; 5048 } 5049 v1 = r1.match; 5050 v2 = r2.match; 5051 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 5052 if (v1 != v2) { 5053 return (v1 > v2) ? -1 : 1; 5054 } 5055 if (r1.system != r2.system) { 5056 return r1.system ? -1 : 1; 5057 } 5058 return 0; 5059 } 5060 }; 5061 5062 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 5063 new Comparator<ProviderInfo>() { 5064 public int compare(ProviderInfo p1, ProviderInfo p2) { 5065 final int v1 = p1.initOrder; 5066 final int v2 = p2.initOrder; 5067 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 5068 } 5069 }; 5070 5071 static final void sendPackageBroadcast(String action, String pkg, 5072 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, int userId) { 5073 IActivityManager am = ActivityManagerNative.getDefault(); 5074 if (am != null) { 5075 try { 5076 int[] userIds = userId == UserId.USER_ALL 5077 ? sUserManager.getUserIds() 5078 : new int[] {userId}; 5079 for (int id : userIds) { 5080 final Intent intent = new Intent(action, 5081 pkg != null ? Uri.fromParts("package", pkg, null) : null); 5082 if (extras != null) { 5083 intent.putExtras(extras); 5084 } 5085 if (targetPkg != null) { 5086 intent.setPackage(targetPkg); 5087 } 5088 // Modify the UID when posting to other users 5089 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 5090 if (uid > 0 && id > 0) { 5091 uid = UserId.getUid(id, UserId.getAppId(uid)); 5092 intent.putExtra(Intent.EXTRA_UID, uid); 5093 } 5094 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 5095 am.broadcastIntent(null, intent, null, finishedReceiver, 5096 0, null, null, null, finishedReceiver != null, false, id); 5097 } 5098 } catch (RemoteException ex) { 5099 } 5100 } 5101 } 5102 5103 /** 5104 * Check if the external storage media is available. This is true if there 5105 * is a mounted external storage medium or if the external storage is 5106 * emulated. 5107 */ 5108 private boolean isExternalMediaAvailable() { 5109 return mMediaMounted || Environment.isExternalStorageEmulated(); 5110 } 5111 5112 public String nextPackageToClean(String lastPackage) { 5113 // writer 5114 synchronized (mPackages) { 5115 if (!isExternalMediaAvailable()) { 5116 // If the external storage is no longer mounted at this point, 5117 // the caller may not have been able to delete all of this 5118 // packages files and can not delete any more. Bail. 5119 return null; 5120 } 5121 if (lastPackage != null) { 5122 mSettings.mPackagesToBeCleaned.remove(lastPackage); 5123 } 5124 return mSettings.mPackagesToBeCleaned.size() > 0 5125 ? mSettings.mPackagesToBeCleaned.get(0) : null; 5126 } 5127 } 5128 5129 void schedulePackageCleaning(String packageName) { 5130 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, packageName)); 5131 } 5132 5133 void startCleaningPackages() { 5134 // reader 5135 synchronized (mPackages) { 5136 if (!isExternalMediaAvailable()) { 5137 return; 5138 } 5139 if (mSettings.mPackagesToBeCleaned.size() <= 0) { 5140 return; 5141 } 5142 } 5143 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 5144 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 5145 IActivityManager am = ActivityManagerNative.getDefault(); 5146 if (am != null) { 5147 try { 5148 am.startService(null, intent, null); 5149 } catch (RemoteException e) { 5150 } 5151 } 5152 } 5153 5154 private final class AppDirObserver extends FileObserver { 5155 public AppDirObserver(String path, int mask, boolean isrom) { 5156 super(path, mask); 5157 mRootDir = path; 5158 mIsRom = isrom; 5159 } 5160 5161 public void onEvent(int event, String path) { 5162 String removedPackage = null; 5163 int removedUid = -1; 5164 String addedPackage = null; 5165 int addedUid = -1; 5166 5167 // TODO post a message to the handler to obtain serial ordering 5168 synchronized (mInstallLock) { 5169 String fullPathStr = null; 5170 File fullPath = null; 5171 if (path != null) { 5172 fullPath = new File(mRootDir, path); 5173 fullPathStr = fullPath.getPath(); 5174 } 5175 5176 if (DEBUG_APP_DIR_OBSERVER) 5177 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 5178 5179 if (!isPackageFilename(path)) { 5180 if (DEBUG_APP_DIR_OBSERVER) 5181 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 5182 return; 5183 } 5184 5185 // Ignore packages that are being installed or 5186 // have just been installed. 5187 if (ignoreCodePath(fullPathStr)) { 5188 return; 5189 } 5190 PackageParser.Package p = null; 5191 // reader 5192 synchronized (mPackages) { 5193 p = mAppDirs.get(fullPathStr); 5194 } 5195 if ((event&REMOVE_EVENTS) != 0) { 5196 if (p != null) { 5197 removePackageLI(p, true); 5198 removedPackage = p.applicationInfo.packageName; 5199 removedUid = p.applicationInfo.uid; 5200 } 5201 } 5202 5203 if ((event&ADD_EVENTS) != 0) { 5204 if (p == null) { 5205 p = scanPackageLI(fullPath, 5206 (mIsRom ? PackageParser.PARSE_IS_SYSTEM 5207 | PackageParser.PARSE_IS_SYSTEM_DIR: 0) | 5208 PackageParser.PARSE_CHATTY | 5209 PackageParser.PARSE_MUST_BE_APK, 5210 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 5211 System.currentTimeMillis()); 5212 if (p != null) { 5213 /* 5214 * TODO this seems dangerous as the package may have 5215 * changed since we last acquired the mPackages 5216 * lock. 5217 */ 5218 // writer 5219 synchronized (mPackages) { 5220 updatePermissionsLPw(p.packageName, p, 5221 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 5222 } 5223 addedPackage = p.applicationInfo.packageName; 5224 addedUid = p.applicationInfo.uid; 5225 } 5226 } 5227 } 5228 5229 // reader 5230 synchronized (mPackages) { 5231 mSettings.writeLPr(); 5232 } 5233 } 5234 5235 if (removedPackage != null) { 5236 Bundle extras = new Bundle(1); 5237 extras.putInt(Intent.EXTRA_UID, removedUid); 5238 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 5239 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 5240 extras, null, null, UserId.USER_ALL); 5241 } 5242 if (addedPackage != null) { 5243 Bundle extras = new Bundle(1); 5244 extras.putInt(Intent.EXTRA_UID, addedUid); 5245 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 5246 extras, null, null, UserId.USER_ALL); 5247 } 5248 } 5249 5250 private final String mRootDir; 5251 private final boolean mIsRom; 5252 } 5253 5254 /* Called when a downloaded package installation has been confirmed by the user */ 5255 public void installPackage( 5256 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 5257 installPackage(packageURI, observer, flags, null); 5258 } 5259 5260 /* Called when a downloaded package installation has been confirmed by the user */ 5261 public void installPackage( 5262 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 5263 final String installerPackageName) { 5264 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 5265 null, null); 5266 } 5267 5268 @Override 5269 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 5270 int flags, String installerPackageName, Uri verificationURI, 5271 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 5272 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 5273 5274 final int uid = Binder.getCallingUid(); 5275 5276 final int filteredFlags; 5277 5278 if (uid == Process.SHELL_UID || uid == 0) { 5279 if (DEBUG_INSTALL) { 5280 Slog.v(TAG, "Install from ADB"); 5281 } 5282 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 5283 } else { 5284 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 5285 } 5286 5287 final Message msg = mHandler.obtainMessage(INIT_COPY); 5288 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 5289 verificationURI, manifestDigest, encryptionParams); 5290 mHandler.sendMessage(msg); 5291 } 5292 5293 @Override 5294 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 5295 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 5296 final PackageVerificationResponse response = new PackageVerificationResponse( 5297 verificationCode, Binder.getCallingUid()); 5298 msg.arg1 = id; 5299 msg.obj = response; 5300 mHandler.sendMessage(msg); 5301 } 5302 5303 private ComponentName matchComponentForVerifier(String packageName, 5304 List<ResolveInfo> receivers) { 5305 ActivityInfo targetReceiver = null; 5306 5307 final int NR = receivers.size(); 5308 for (int i = 0; i < NR; i++) { 5309 final ResolveInfo info = receivers.get(i); 5310 if (info.activityInfo == null) { 5311 continue; 5312 } 5313 5314 if (packageName.equals(info.activityInfo.packageName)) { 5315 targetReceiver = info.activityInfo; 5316 break; 5317 } 5318 } 5319 5320 if (targetReceiver == null) { 5321 return null; 5322 } 5323 5324 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 5325 } 5326 5327 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 5328 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 5329 if (pkgInfo.verifiers.length == 0) { 5330 return null; 5331 } 5332 5333 final int N = pkgInfo.verifiers.length; 5334 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 5335 for (int i = 0; i < N; i++) { 5336 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 5337 5338 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 5339 receivers); 5340 if (comp == null) { 5341 continue; 5342 } 5343 5344 final int verifierUid = getUidForVerifier(verifierInfo); 5345 if (verifierUid == -1) { 5346 continue; 5347 } 5348 5349 if (DEBUG_VERIFY) { 5350 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 5351 + " with the correct signature"); 5352 } 5353 sufficientVerifiers.add(comp); 5354 verificationState.addSufficientVerifier(verifierUid); 5355 } 5356 5357 return sufficientVerifiers; 5358 } 5359 5360 private int getUidForVerifier(VerifierInfo verifierInfo) { 5361 synchronized (mPackages) { 5362 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 5363 if (pkg == null) { 5364 return -1; 5365 } else if (pkg.mSignatures.length != 1) { 5366 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 5367 + " has more than one signature; ignoring"); 5368 return -1; 5369 } 5370 5371 /* 5372 * If the public key of the package's signature does not match 5373 * our expected public key, then this is a different package and 5374 * we should skip. 5375 */ 5376 5377 final byte[] expectedPublicKey; 5378 try { 5379 final Signature verifierSig = pkg.mSignatures[0]; 5380 final PublicKey publicKey = verifierSig.getPublicKey(); 5381 expectedPublicKey = publicKey.getEncoded(); 5382 } catch (CertificateException e) { 5383 return -1; 5384 } 5385 5386 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 5387 5388 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 5389 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 5390 + " does not have the expected public key; ignoring"); 5391 return -1; 5392 } 5393 5394 return pkg.applicationInfo.uid; 5395 } 5396 } 5397 5398 public void finishPackageInstall(int token) { 5399 enforceSystemOrRoot("Only the system is allowed to finish installs"); 5400 5401 if (DEBUG_INSTALL) { 5402 Slog.v(TAG, "BM finishing package install for " + token); 5403 } 5404 5405 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 5406 mHandler.sendMessage(msg); 5407 } 5408 5409 /** 5410 * Get the verification agent timeout. 5411 * 5412 * @return verification timeout in milliseconds 5413 */ 5414 private long getVerificationTimeout() { 5415 return android.provider.Settings.Secure.getLong(mContext.getContentResolver(), 5416 android.provider.Settings.Secure.PACKAGE_VERIFIER_TIMEOUT, 5417 DEFAULT_VERIFICATION_TIMEOUT); 5418 } 5419 5420 /** 5421 * Check whether or not package verification has been enabled. 5422 * 5423 * @return true if verification should be performed 5424 */ 5425 private boolean isVerificationEnabled() { 5426 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 5427 android.provider.Settings.Secure.PACKAGE_VERIFIER_ENABLE, 5428 DEFAULT_VERIFY_ENABLE ? 1 : 0) == 1 ? true : false; 5429 } 5430 5431 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 5432 final int uid = Binder.getCallingUid(); 5433 // writer 5434 synchronized (mPackages) { 5435 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 5436 if (targetPackageSetting == null) { 5437 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 5438 } 5439 5440 PackageSetting installerPackageSetting; 5441 if (installerPackageName != null) { 5442 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 5443 if (installerPackageSetting == null) { 5444 throw new IllegalArgumentException("Unknown installer package: " 5445 + installerPackageName); 5446 } 5447 } else { 5448 installerPackageSetting = null; 5449 } 5450 5451 Signature[] callerSignature; 5452 Object obj = mSettings.getUserIdLPr(uid); 5453 if (obj != null) { 5454 if (obj instanceof SharedUserSetting) { 5455 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 5456 } else if (obj instanceof PackageSetting) { 5457 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 5458 } else { 5459 throw new SecurityException("Bad object " + obj + " for uid " + uid); 5460 } 5461 } else { 5462 throw new SecurityException("Unknown calling uid " + uid); 5463 } 5464 5465 // Verify: can't set installerPackageName to a package that is 5466 // not signed with the same cert as the caller. 5467 if (installerPackageSetting != null) { 5468 if (compareSignatures(callerSignature, 5469 installerPackageSetting.signatures.mSignatures) 5470 != PackageManager.SIGNATURE_MATCH) { 5471 throw new SecurityException( 5472 "Caller does not have same cert as new installer package " 5473 + installerPackageName); 5474 } 5475 } 5476 5477 // Verify: if target already has an installer package, it must 5478 // be signed with the same cert as the caller. 5479 if (targetPackageSetting.installerPackageName != null) { 5480 PackageSetting setting = mSettings.mPackages.get( 5481 targetPackageSetting.installerPackageName); 5482 // If the currently set package isn't valid, then it's always 5483 // okay to change it. 5484 if (setting != null) { 5485 if (compareSignatures(callerSignature, 5486 setting.signatures.mSignatures) 5487 != PackageManager.SIGNATURE_MATCH) { 5488 throw new SecurityException( 5489 "Caller does not have same cert as old installer package " 5490 + targetPackageSetting.installerPackageName); 5491 } 5492 } 5493 } 5494 5495 // Okay! 5496 targetPackageSetting.installerPackageName = installerPackageName; 5497 scheduleWriteSettingsLocked(); 5498 } 5499 } 5500 5501 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 5502 // Queue up an async operation since the package installation may take a little while. 5503 mHandler.post(new Runnable() { 5504 public void run() { 5505 mHandler.removeCallbacks(this); 5506 // Result object to be returned 5507 PackageInstalledInfo res = new PackageInstalledInfo(); 5508 res.returnCode = currentStatus; 5509 res.uid = -1; 5510 res.pkg = null; 5511 res.removedInfo = new PackageRemovedInfo(); 5512 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 5513 args.doPreInstall(res.returnCode); 5514 synchronized (mInstallLock) { 5515 installPackageLI(args, true, res); 5516 } 5517 args.doPostInstall(res.returnCode, res.uid); 5518 } 5519 5520 // A restore should be performed at this point if (a) the install 5521 // succeeded, (b) the operation is not an update, and (c) the new 5522 // package has a backupAgent defined. 5523 final boolean update = res.removedInfo.removedPackage != null; 5524 boolean doRestore = (!update 5525 && res.pkg != null 5526 && res.pkg.applicationInfo.backupAgentName != null); 5527 5528 // Set up the post-install work request bookkeeping. This will be used 5529 // and cleaned up by the post-install event handling regardless of whether 5530 // there's a restore pass performed. Token values are >= 1. 5531 int token; 5532 if (mNextInstallToken < 0) mNextInstallToken = 1; 5533 token = mNextInstallToken++; 5534 5535 PostInstallData data = new PostInstallData(args, res); 5536 mRunningInstalls.put(token, data); 5537 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 5538 5539 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 5540 // Pass responsibility to the Backup Manager. It will perform a 5541 // restore if appropriate, then pass responsibility back to the 5542 // Package Manager to run the post-install observer callbacks 5543 // and broadcasts. 5544 IBackupManager bm = IBackupManager.Stub.asInterface( 5545 ServiceManager.getService(Context.BACKUP_SERVICE)); 5546 if (bm != null) { 5547 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 5548 + " to BM for possible restore"); 5549 try { 5550 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 5551 } catch (RemoteException e) { 5552 // can't happen; the backup manager is local 5553 } catch (Exception e) { 5554 Slog.e(TAG, "Exception trying to enqueue restore", e); 5555 doRestore = false; 5556 } 5557 } else { 5558 Slog.e(TAG, "Backup Manager not found!"); 5559 doRestore = false; 5560 } 5561 } 5562 5563 if (!doRestore) { 5564 // No restore possible, or the Backup Manager was mysteriously not 5565 // available -- just fire the post-install work request directly. 5566 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 5567 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 5568 mHandler.sendMessage(msg); 5569 } 5570 } 5571 }); 5572 } 5573 5574 private abstract class HandlerParams { 5575 private static final int MAX_RETRIES = 4; 5576 5577 /** 5578 * Number of times startCopy() has been attempted and had a non-fatal 5579 * error. 5580 */ 5581 private int mRetries = 0; 5582 5583 final boolean startCopy() { 5584 boolean res; 5585 try { 5586 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy"); 5587 5588 if (++mRetries > MAX_RETRIES) { 5589 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 5590 mHandler.sendEmptyMessage(MCS_GIVE_UP); 5591 handleServiceError(); 5592 return false; 5593 } else { 5594 handleStartCopy(); 5595 res = true; 5596 } 5597 } catch (RemoteException e) { 5598 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 5599 mHandler.sendEmptyMessage(MCS_RECONNECT); 5600 res = false; 5601 } 5602 handleReturnCode(); 5603 return res; 5604 } 5605 5606 final void serviceError() { 5607 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 5608 handleServiceError(); 5609 handleReturnCode(); 5610 } 5611 5612 abstract void handleStartCopy() throws RemoteException; 5613 abstract void handleServiceError(); 5614 abstract void handleReturnCode(); 5615 } 5616 5617 class MeasureParams extends HandlerParams { 5618 private final PackageStats mStats; 5619 private boolean mSuccess; 5620 5621 private final IPackageStatsObserver mObserver; 5622 5623 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 5624 mObserver = observer; 5625 mStats = stats; 5626 } 5627 5628 @Override 5629 void handleStartCopy() throws RemoteException { 5630 synchronized (mInstallLock) { 5631 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats); 5632 } 5633 5634 final boolean mounted; 5635 if (Environment.isExternalStorageEmulated()) { 5636 mounted = true; 5637 } else { 5638 final String status = Environment.getExternalStorageState(); 5639 5640 mounted = status.equals(Environment.MEDIA_MOUNTED) 5641 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 5642 } 5643 5644 if (mounted) { 5645 final File externalCacheDir = Environment 5646 .getExternalStorageAppCacheDirectory(mStats.packageName); 5647 final long externalCacheSize = mContainerService 5648 .calculateDirectorySize(externalCacheDir.getPath()); 5649 mStats.externalCacheSize = externalCacheSize; 5650 5651 final File externalDataDir = Environment 5652 .getExternalStorageAppDataDirectory(mStats.packageName); 5653 long externalDataSize = mContainerService.calculateDirectorySize(externalDataDir 5654 .getPath()); 5655 5656 if (externalCacheDir.getParentFile().equals(externalDataDir)) { 5657 externalDataSize -= externalCacheSize; 5658 } 5659 mStats.externalDataSize = externalDataSize; 5660 5661 final File externalMediaDir = Environment 5662 .getExternalStorageAppMediaDirectory(mStats.packageName); 5663 mStats.externalMediaSize = mContainerService 5664 .calculateDirectorySize(externalMediaDir.getPath()); 5665 5666 final File externalObbDir = Environment 5667 .getExternalStorageAppObbDirectory(mStats.packageName); 5668 mStats.externalObbSize = mContainerService.calculateDirectorySize(externalObbDir 5669 .getPath()); 5670 } 5671 } 5672 5673 @Override 5674 void handleReturnCode() { 5675 if (mObserver != null) { 5676 try { 5677 mObserver.onGetStatsCompleted(mStats, mSuccess); 5678 } catch (RemoteException e) { 5679 Slog.i(TAG, "Observer no longer exists."); 5680 } 5681 } 5682 } 5683 5684 @Override 5685 void handleServiceError() { 5686 Slog.e(TAG, "Could not measure application " + mStats.packageName 5687 + " external storage"); 5688 } 5689 } 5690 5691 class InstallParams extends HandlerParams { 5692 final IPackageInstallObserver observer; 5693 int flags; 5694 5695 private final Uri mPackageURI; 5696 final String installerPackageName; 5697 final Uri verificationURI; 5698 final ManifestDigest manifestDigest; 5699 private InstallArgs mArgs; 5700 private int mRet; 5701 private File mTempPackage; 5702 final ContainerEncryptionParams encryptionParams; 5703 5704 InstallParams(Uri packageURI, 5705 IPackageInstallObserver observer, int flags, 5706 String installerPackageName, Uri verificationURI, ManifestDigest manifestDigest, 5707 ContainerEncryptionParams encryptionParams) { 5708 this.mPackageURI = packageURI; 5709 this.flags = flags; 5710 this.observer = observer; 5711 this.installerPackageName = installerPackageName; 5712 this.verificationURI = verificationURI; 5713 this.manifestDigest = manifestDigest; 5714 this.encryptionParams = encryptionParams; 5715 } 5716 5717 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 5718 String packageName = pkgLite.packageName; 5719 int installLocation = pkgLite.installLocation; 5720 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 5721 // reader 5722 synchronized (mPackages) { 5723 PackageParser.Package pkg = mPackages.get(packageName); 5724 if (pkg != null) { 5725 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5726 // Check for updated system application. 5727 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 5728 if (onSd) { 5729 Slog.w(TAG, "Cannot install update to system app on sdcard"); 5730 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 5731 } 5732 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 5733 } else { 5734 if (onSd) { 5735 // Install flag overrides everything. 5736 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 5737 } 5738 // If current upgrade specifies particular preference 5739 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 5740 // Application explicitly specified internal. 5741 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 5742 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 5743 // App explictly prefers external. Let policy decide 5744 } else { 5745 // Prefer previous location 5746 if (isExternal(pkg)) { 5747 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 5748 } 5749 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 5750 } 5751 } 5752 } else { 5753 // Invalid install. Return error code 5754 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 5755 } 5756 } 5757 } 5758 // All the special cases have been taken care of. 5759 // Return result based on recommended install location. 5760 if (onSd) { 5761 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 5762 } 5763 return pkgLite.recommendedInstallLocation; 5764 } 5765 5766 /* 5767 * Invoke remote method to get package information and install 5768 * location values. Override install location based on default 5769 * policy if needed and then create install arguments based 5770 * on the install location. 5771 */ 5772 public void handleStartCopy() throws RemoteException { 5773 int ret = PackageManager.INSTALL_SUCCEEDED; 5774 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 5775 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 5776 PackageInfoLite pkgLite = null; 5777 5778 if (onInt && onSd) { 5779 // Check if both bits are set. 5780 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 5781 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 5782 } else { 5783 final long lowThreshold; 5784 5785 final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager 5786 .getService(DeviceStorageMonitorService.SERVICE); 5787 if (dsm == null) { 5788 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 5789 lowThreshold = 0L; 5790 } else { 5791 lowThreshold = dsm.getMemoryLowThreshold(); 5792 } 5793 5794 try { 5795 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 5796 Intent.FLAG_GRANT_READ_URI_PERMISSION); 5797 5798 final File packageFile; 5799 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 5800 ParcelFileDescriptor out = null; 5801 5802 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 5803 if (mTempPackage != null) { 5804 try { 5805 out = ParcelFileDescriptor.open(mTempPackage, 5806 ParcelFileDescriptor.MODE_READ_WRITE); 5807 } catch (FileNotFoundException e) { 5808 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 5809 } 5810 5811 // Make a temporary file for decryption. 5812 ret = mContainerService 5813 .copyResource(mPackageURI, encryptionParams, out); 5814 5815 packageFile = mTempPackage; 5816 5817 FileUtils.setPermissions(packageFile.getAbsolutePath(), 5818 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IROTH, 5819 -1, -1); 5820 } else { 5821 packageFile = null; 5822 } 5823 } else { 5824 packageFile = new File(mPackageURI.getPath()); 5825 } 5826 5827 if (packageFile != null) { 5828 // Remote call to find out default install location 5829 pkgLite = mContainerService.getMinimalPackageInfo( 5830 packageFile.getAbsolutePath(), flags, lowThreshold); 5831 } 5832 } finally { 5833 mContext.revokeUriPermission(mPackageURI, 5834 Intent.FLAG_GRANT_READ_URI_PERMISSION); 5835 } 5836 } 5837 5838 if (ret == PackageManager.INSTALL_SUCCEEDED) { 5839 int loc = pkgLite.recommendedInstallLocation; 5840 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 5841 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 5842 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 5843 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 5844 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 5845 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5846 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 5847 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 5848 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 5849 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 5850 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 5851 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 5852 } else { 5853 // Override with defaults if needed. 5854 loc = installLocationPolicy(pkgLite, flags); 5855 if (!onSd && !onInt) { 5856 // Override install location with flags 5857 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 5858 // Set the flag to install on external media. 5859 flags |= PackageManager.INSTALL_EXTERNAL; 5860 flags &= ~PackageManager.INSTALL_INTERNAL; 5861 } else { 5862 // Make sure the flag for installing on external 5863 // media is unset 5864 flags |= PackageManager.INSTALL_INTERNAL; 5865 flags &= ~PackageManager.INSTALL_EXTERNAL; 5866 } 5867 } 5868 } 5869 } 5870 5871 final InstallArgs args = createInstallArgs(this); 5872 mArgs = args; 5873 5874 if (ret == PackageManager.INSTALL_SUCCEEDED) { 5875 /* 5876 * Determine if we have any installed package verifiers. If we 5877 * do, then we'll defer to them to verify the packages. 5878 */ 5879 final int requiredUid = mRequiredVerifierPackage == null ? -1 5880 : getPackageUid(mRequiredVerifierPackage, 0); 5881 if (requiredUid != -1 && isVerificationEnabled()) { 5882 final Intent verification = new Intent( 5883 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 5884 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 5885 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 5886 5887 final List<ResolveInfo> receivers = queryIntentReceivers(verification, null, 5888 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 5889 5890 if (DEBUG_VERIFY) { 5891 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 5892 + verification.toString() + " with " + pkgLite.verifiers.length 5893 + " optional verifiers"); 5894 } 5895 5896 final int verificationId = mPendingVerificationToken++; 5897 5898 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 5899 5900 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 5901 installerPackageName); 5902 5903 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 5904 5905 if (verificationURI != null) { 5906 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 5907 verificationURI); 5908 } 5909 5910 final PackageVerificationState verificationState = new PackageVerificationState( 5911 requiredUid, args); 5912 5913 mPendingVerification.append(verificationId, verificationState); 5914 5915 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 5916 receivers, verificationState); 5917 5918 /* 5919 * If any sufficient verifiers were listed in the package 5920 * manifest, attempt to ask them. 5921 */ 5922 if (sufficientVerifiers != null) { 5923 final int N = sufficientVerifiers.size(); 5924 if (N == 0) { 5925 Slog.i(TAG, "Additional verifiers required, but none installed."); 5926 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 5927 } else { 5928 for (int i = 0; i < N; i++) { 5929 final ComponentName verifierComponent = sufficientVerifiers.get(i); 5930 5931 final Intent sufficientIntent = new Intent(verification); 5932 sufficientIntent.setComponent(verifierComponent); 5933 5934 mContext.sendBroadcast(sufficientIntent); 5935 } 5936 } 5937 } 5938 5939 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 5940 mRequiredVerifierPackage, receivers); 5941 if (ret == PackageManager.INSTALL_SUCCEEDED 5942 && mRequiredVerifierPackage != null) { 5943 /* 5944 * Send the intent to the required verification agent, 5945 * but only start the verification timeout after the 5946 * target BroadcastReceivers have run. 5947 */ 5948 verification.setComponent(requiredVerifierComponent); 5949 mContext.sendOrderedBroadcast(verification, 5950 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 5951 new BroadcastReceiver() { 5952 @Override 5953 public void onReceive(Context context, Intent intent) { 5954 final Message msg = mHandler 5955 .obtainMessage(CHECK_PENDING_VERIFICATION); 5956 msg.arg1 = verificationId; 5957 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 5958 } 5959 }, null, 0, null, null); 5960 5961 /* 5962 * We don't want the copy to proceed until verification 5963 * succeeds, so null out this field. 5964 */ 5965 mArgs = null; 5966 } 5967 } else { 5968 /* 5969 * No package verification is enabled, so immediately start 5970 * the remote call to initiate copy using temporary file. 5971 */ 5972 ret = args.copyApk(mContainerService, true); 5973 } 5974 } 5975 5976 mRet = ret; 5977 } 5978 5979 @Override 5980 void handleReturnCode() { 5981 // If mArgs is null, then MCS couldn't be reached. When it 5982 // reconnects, it will try again to install. At that point, this 5983 // will succeed. 5984 if (mArgs != null) { 5985 processPendingInstall(mArgs, mRet); 5986 } 5987 5988 if (mTempPackage != null) { 5989 if (!mTempPackage.delete()) { 5990 Slog.w(TAG, "Couldn't delete temporary file: " 5991 + mTempPackage.getAbsolutePath()); 5992 } 5993 } 5994 } 5995 5996 @Override 5997 void handleServiceError() { 5998 mArgs = createInstallArgs(this); 5999 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 6000 } 6001 6002 public boolean isForwardLocked() { 6003 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 6004 } 6005 6006 public Uri getPackageUri() { 6007 if (mTempPackage != null) { 6008 return Uri.fromFile(mTempPackage); 6009 } else { 6010 return mPackageURI; 6011 } 6012 } 6013 } 6014 6015 /* 6016 * Utility class used in movePackage api. 6017 * srcArgs and targetArgs are not set for invalid flags and make 6018 * sure to do null checks when invoking methods on them. 6019 * We probably want to return ErrorPrams for both failed installs 6020 * and moves. 6021 */ 6022 class MoveParams extends HandlerParams { 6023 final IPackageMoveObserver observer; 6024 final int flags; 6025 final String packageName; 6026 final InstallArgs srcArgs; 6027 final InstallArgs targetArgs; 6028 int uid; 6029 int mRet; 6030 6031 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 6032 String packageName, String dataDir, int uid) { 6033 this.srcArgs = srcArgs; 6034 this.observer = observer; 6035 this.flags = flags; 6036 this.packageName = packageName; 6037 this.uid = uid; 6038 if (srcArgs != null) { 6039 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 6040 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 6041 } else { 6042 targetArgs = null; 6043 } 6044 } 6045 6046 public void handleStartCopy() throws RemoteException { 6047 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6048 // Check for storage space on target medium 6049 if (!targetArgs.checkFreeStorage(mContainerService)) { 6050 Log.w(TAG, "Insufficient storage to install"); 6051 return; 6052 } 6053 6054 mRet = srcArgs.doPreCopy(); 6055 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 6056 return; 6057 } 6058 6059 mRet = targetArgs.copyApk(mContainerService, false); 6060 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 6061 srcArgs.doPostCopy(uid); 6062 return; 6063 } 6064 6065 mRet = srcArgs.doPostCopy(uid); 6066 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 6067 return; 6068 } 6069 6070 mRet = targetArgs.doPreInstall(mRet); 6071 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 6072 return; 6073 } 6074 6075 if (DEBUG_SD_INSTALL) { 6076 StringBuilder builder = new StringBuilder(); 6077 if (srcArgs != null) { 6078 builder.append("src: "); 6079 builder.append(srcArgs.getCodePath()); 6080 } 6081 if (targetArgs != null) { 6082 builder.append(" target : "); 6083 builder.append(targetArgs.getCodePath()); 6084 } 6085 Log.i(TAG, builder.toString()); 6086 } 6087 } 6088 6089 @Override 6090 void handleReturnCode() { 6091 targetArgs.doPostInstall(mRet, uid); 6092 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 6093 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 6094 currentStatus = PackageManager.MOVE_SUCCEEDED; 6095 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 6096 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 6097 } 6098 processPendingMove(this, currentStatus); 6099 } 6100 6101 @Override 6102 void handleServiceError() { 6103 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 6104 } 6105 } 6106 6107 /** 6108 * Used during creation of InstallArgs 6109 * 6110 * @param flags package installation flags 6111 * @return true if should be installed on external storage 6112 */ 6113 private static boolean installOnSd(int flags) { 6114 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 6115 return false; 6116 } 6117 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 6118 return true; 6119 } 6120 return false; 6121 } 6122 6123 /** 6124 * Used during creation of InstallArgs 6125 * 6126 * @param flags package installation flags 6127 * @return true if should be installed as forward locked 6128 */ 6129 private static boolean installForwardLocked(int flags) { 6130 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 6131 } 6132 6133 private InstallArgs createInstallArgs(InstallParams params) { 6134 if (installOnSd(params.flags) || params.isForwardLocked()) { 6135 return new AsecInstallArgs(params); 6136 } else { 6137 return new FileInstallArgs(params); 6138 } 6139 } 6140 6141 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 6142 String nativeLibraryPath) { 6143 if (installOnSd(flags) || installForwardLocked(flags)) { 6144 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 6145 installOnSd(flags), installForwardLocked(flags)); 6146 } else { 6147 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 6148 } 6149 } 6150 6151 // Used by package mover 6152 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 6153 if (installOnSd(flags) || installForwardLocked(flags)) { 6154 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 6155 + AsecInstallArgs.RES_FILE_NAME); 6156 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 6157 installForwardLocked(flags)); 6158 } else { 6159 return new FileInstallArgs(packageURI, pkgName, dataDir); 6160 } 6161 } 6162 6163 static abstract class InstallArgs { 6164 final IPackageInstallObserver observer; 6165 // Always refers to PackageManager flags only 6166 final int flags; 6167 final Uri packageURI; 6168 final String installerPackageName; 6169 final ManifestDigest manifestDigest; 6170 6171 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 6172 String installerPackageName, ManifestDigest manifestDigest) { 6173 this.packageURI = packageURI; 6174 this.flags = flags; 6175 this.observer = observer; 6176 this.installerPackageName = installerPackageName; 6177 this.manifestDigest = manifestDigest; 6178 } 6179 6180 abstract void createCopyFile(); 6181 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 6182 abstract int doPreInstall(int status); 6183 abstract boolean doRename(int status, String pkgName, String oldCodePath); 6184 6185 abstract int doPostInstall(int status, int uid); 6186 abstract String getCodePath(); 6187 abstract String getResourcePath(); 6188 abstract String getNativeLibraryPath(); 6189 // Need installer lock especially for dex file removal. 6190 abstract void cleanUpResourcesLI(); 6191 abstract boolean doPostDeleteLI(boolean delete); 6192 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 6193 6194 /** 6195 * Called before the source arguments are copied. This is used mostly 6196 * for MoveParams when it needs to read the source file to put it in the 6197 * destination. 6198 */ 6199 int doPreCopy() { 6200 return PackageManager.INSTALL_SUCCEEDED; 6201 } 6202 6203 /** 6204 * Called after the source arguments are copied. This is used mostly for 6205 * MoveParams when it needs to read the source file to put it in the 6206 * destination. 6207 * 6208 * @return 6209 */ 6210 int doPostCopy(int uid) { 6211 return PackageManager.INSTALL_SUCCEEDED; 6212 } 6213 6214 protected boolean isFwdLocked() { 6215 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 6216 } 6217 } 6218 6219 class FileInstallArgs extends InstallArgs { 6220 File installDir; 6221 String codeFileName; 6222 String resourceFileName; 6223 String libraryPath; 6224 boolean created = false; 6225 6226 FileInstallArgs(InstallParams params) { 6227 super(params.getPackageUri(), params.observer, params.flags, 6228 params.installerPackageName, params.manifestDigest); 6229 } 6230 6231 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 6232 super(null, null, 0, null, null); 6233 File codeFile = new File(fullCodePath); 6234 installDir = codeFile.getParentFile(); 6235 codeFileName = fullCodePath; 6236 resourceFileName = fullResourcePath; 6237 libraryPath = nativeLibraryPath; 6238 } 6239 6240 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 6241 super(packageURI, null, 0, null, null); 6242 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 6243 String apkName = getNextCodePath(null, pkgName, ".apk"); 6244 codeFileName = new File(installDir, apkName + ".apk").getPath(); 6245 resourceFileName = getResourcePathFromCodePath(); 6246 libraryPath = new File(dataDir, LIB_DIR_NAME).getPath(); 6247 } 6248 6249 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 6250 final long lowThreshold; 6251 6252 final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager 6253 .getService(DeviceStorageMonitorService.SERVICE); 6254 if (dsm == null) { 6255 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 6256 lowThreshold = 0L; 6257 } else { 6258 if (dsm.isMemoryLow()) { 6259 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 6260 return false; 6261 } 6262 6263 lowThreshold = dsm.getMemoryLowThreshold(); 6264 } 6265 6266 try { 6267 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 6268 Intent.FLAG_GRANT_READ_URI_PERMISSION); 6269 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 6270 } finally { 6271 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 6272 } 6273 } 6274 6275 String getCodePath() { 6276 return codeFileName; 6277 } 6278 6279 void createCopyFile() { 6280 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 6281 codeFileName = createTempPackageFile(installDir).getPath(); 6282 resourceFileName = getResourcePathFromCodePath(); 6283 created = true; 6284 } 6285 6286 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 6287 if (temp) { 6288 // Generate temp file name 6289 createCopyFile(); 6290 } 6291 // Get a ParcelFileDescriptor to write to the output file 6292 File codeFile = new File(codeFileName); 6293 if (!created) { 6294 try { 6295 codeFile.createNewFile(); 6296 // Set permissions 6297 if (!setPermissions()) { 6298 // Failed setting permissions. 6299 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6300 } 6301 } catch (IOException e) { 6302 Slog.w(TAG, "Failed to create file " + codeFile); 6303 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6304 } 6305 } 6306 ParcelFileDescriptor out = null; 6307 try { 6308 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 6309 } catch (FileNotFoundException e) { 6310 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 6311 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6312 } 6313 // Copy the resource now 6314 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6315 try { 6316 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 6317 Intent.FLAG_GRANT_READ_URI_PERMISSION); 6318 ret = imcs.copyResource(packageURI, null, out); 6319 } finally { 6320 IoUtils.closeQuietly(out); 6321 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 6322 } 6323 6324 if (isFwdLocked()) { 6325 final File destResourceFile = new File(getResourcePath()); 6326 6327 // Copy the public files 6328 try { 6329 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 6330 } catch (IOException e) { 6331 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 6332 + " forward-locked app."); 6333 destResourceFile.delete(); 6334 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6335 } 6336 } 6337 return ret; 6338 } 6339 6340 int doPreInstall(int status) { 6341 if (status != PackageManager.INSTALL_SUCCEEDED) { 6342 cleanUp(); 6343 } 6344 return status; 6345 } 6346 6347 boolean doRename(int status, final String pkgName, String oldCodePath) { 6348 if (status != PackageManager.INSTALL_SUCCEEDED) { 6349 cleanUp(); 6350 return false; 6351 } else { 6352 final File oldCodeFile = new File(getCodePath()); 6353 final File oldResourceFile = new File(getResourcePath()); 6354 6355 // Rename APK file based on packageName 6356 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 6357 final File newCodeFile = new File(installDir, apkName + ".apk"); 6358 if (!oldCodeFile.renameTo(newCodeFile)) { 6359 return false; 6360 } 6361 codeFileName = newCodeFile.getPath(); 6362 6363 // Rename public resource file if it's forward-locked. 6364 final File newResFile = new File(getResourcePathFromCodePath()); 6365 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 6366 return false; 6367 } 6368 resourceFileName = getResourcePathFromCodePath(); 6369 6370 // Attempt to set permissions 6371 if (!setPermissions()) { 6372 return false; 6373 } 6374 6375 return true; 6376 } 6377 } 6378 6379 int doPostInstall(int status, int uid) { 6380 if (status != PackageManager.INSTALL_SUCCEEDED) { 6381 cleanUp(); 6382 } 6383 return status; 6384 } 6385 6386 String getResourcePath() { 6387 return resourceFileName; 6388 } 6389 6390 private String getResourcePathFromCodePath() { 6391 final String codePath = getCodePath(); 6392 if (isFwdLocked()) { 6393 final StringBuilder sb = new StringBuilder(); 6394 6395 sb.append(mAppInstallDir.getPath()); 6396 sb.append('/'); 6397 sb.append(getApkName(codePath)); 6398 sb.append(".zip"); 6399 6400 /* 6401 * If our APK is a temporary file, mark the resource as a 6402 * temporary file as well so it can be cleaned up after 6403 * catastrophic failure. 6404 */ 6405 if (codePath.endsWith(".tmp")) { 6406 sb.append(".tmp"); 6407 } 6408 6409 return sb.toString(); 6410 } else { 6411 return codePath; 6412 } 6413 } 6414 6415 @Override 6416 String getNativeLibraryPath() { 6417 return libraryPath; 6418 } 6419 6420 private boolean cleanUp() { 6421 boolean ret = true; 6422 String sourceDir = getCodePath(); 6423 String publicSourceDir = getResourcePath(); 6424 if (sourceDir != null) { 6425 File sourceFile = new File(sourceDir); 6426 if (!sourceFile.exists()) { 6427 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 6428 ret = false; 6429 } 6430 // Delete application's code and resources 6431 sourceFile.delete(); 6432 } 6433 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 6434 final File publicSourceFile = new File(publicSourceDir); 6435 if (!publicSourceFile.exists()) { 6436 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 6437 } 6438 if (publicSourceFile.exists()) { 6439 publicSourceFile.delete(); 6440 } 6441 } 6442 return ret; 6443 } 6444 6445 void cleanUpResourcesLI() { 6446 String sourceDir = getCodePath(); 6447 if (cleanUp()) { 6448 int retCode = mInstaller.rmdex(sourceDir); 6449 if (retCode < 0) { 6450 Slog.w(TAG, "Couldn't remove dex file for package: " 6451 + " at location " 6452 + sourceDir + ", retcode=" + retCode); 6453 // we don't consider this to be a failure of the core package deletion 6454 } 6455 } 6456 } 6457 6458 private boolean setPermissions() { 6459 // TODO Do this in a more elegant way later on. for now just a hack 6460 if (!isFwdLocked()) { 6461 final int filePermissions = 6462 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 6463 |FileUtils.S_IROTH; 6464 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 6465 if (retCode != 0) { 6466 Slog.e(TAG, "Couldn't set new package file permissions for " + 6467 getCodePath() 6468 + ". The return code was: " + retCode); 6469 // TODO Define new internal error 6470 return false; 6471 } 6472 return true; 6473 } 6474 return true; 6475 } 6476 6477 boolean doPostDeleteLI(boolean delete) { 6478 // XXX err, shouldn't we respect the delete flag? 6479 cleanUpResourcesLI(); 6480 return true; 6481 } 6482 } 6483 6484 private boolean isAsecExternal(String cid) { 6485 final String asecPath = PackageHelper.getSdFilesystem(cid); 6486 return !asecPath.startsWith(mAsecInternalPath); 6487 } 6488 6489 /** 6490 * Extract the MountService "container ID" from the full code path of an 6491 * .apk. 6492 */ 6493 static String cidFromCodePath(String fullCodePath) { 6494 int eidx = fullCodePath.lastIndexOf("/"); 6495 String subStr1 = fullCodePath.substring(0, eidx); 6496 int sidx = subStr1.lastIndexOf("/"); 6497 return subStr1.substring(sidx+1, eidx); 6498 } 6499 6500 class AsecInstallArgs extends InstallArgs { 6501 static final String RES_FILE_NAME = "pkg.apk"; 6502 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 6503 6504 String cid; 6505 String packagePath; 6506 String resourcePath; 6507 String libraryPath; 6508 6509 AsecInstallArgs(InstallParams params) { 6510 super(params.getPackageUri(), params.observer, params.flags, 6511 params.installerPackageName, params.manifestDigest); 6512 } 6513 6514 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 6515 boolean isExternal, boolean isForwardLocked) { 6516 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 6517 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), null, null); 6518 // Extract cid from fullCodePath 6519 int eidx = fullCodePath.lastIndexOf("/"); 6520 String subStr1 = fullCodePath.substring(0, eidx); 6521 int sidx = subStr1.lastIndexOf("/"); 6522 cid = subStr1.substring(sidx+1, eidx); 6523 setCachePath(subStr1); 6524 } 6525 6526 AsecInstallArgs(String cid) { 6527 super(null, null, isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0, null, null); 6528 this.cid = cid; 6529 setCachePath(PackageHelper.getSdDir(cid)); 6530 } 6531 6532 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 6533 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 6534 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), null, null); 6535 this.cid = cid; 6536 } 6537 6538 void createCopyFile() { 6539 cid = getTempContainerId(); 6540 } 6541 6542 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 6543 try { 6544 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 6545 Intent.FLAG_GRANT_READ_URI_PERMISSION); 6546 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 6547 } finally { 6548 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 6549 } 6550 } 6551 6552 private final boolean isExternal() { 6553 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 6554 } 6555 6556 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 6557 if (temp) { 6558 createCopyFile(); 6559 } else { 6560 /* 6561 * Pre-emptively destroy the container since it's destroyed if 6562 * copying fails due to it existing anyway. 6563 */ 6564 PackageHelper.destroySdDir(cid); 6565 } 6566 6567 final String newCachePath; 6568 try { 6569 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 6570 Intent.FLAG_GRANT_READ_URI_PERMISSION); 6571 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 6572 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 6573 } finally { 6574 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 6575 } 6576 6577 if (newCachePath != null) { 6578 setCachePath(newCachePath); 6579 return PackageManager.INSTALL_SUCCEEDED; 6580 } else { 6581 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 6582 } 6583 } 6584 6585 @Override 6586 String getCodePath() { 6587 return packagePath; 6588 } 6589 6590 @Override 6591 String getResourcePath() { 6592 return resourcePath; 6593 } 6594 6595 @Override 6596 String getNativeLibraryPath() { 6597 return libraryPath; 6598 } 6599 6600 int doPreInstall(int status) { 6601 if (status != PackageManager.INSTALL_SUCCEEDED) { 6602 // Destroy container 6603 PackageHelper.destroySdDir(cid); 6604 } else { 6605 boolean mounted = PackageHelper.isContainerMounted(cid); 6606 if (!mounted) { 6607 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 6608 Process.SYSTEM_UID); 6609 if (newCachePath != null) { 6610 setCachePath(newCachePath); 6611 } else { 6612 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 6613 } 6614 } 6615 } 6616 return status; 6617 } 6618 6619 boolean doRename(int status, final String pkgName, 6620 String oldCodePath) { 6621 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 6622 String newCachePath = null; 6623 if (PackageHelper.isContainerMounted(cid)) { 6624 // Unmount the container 6625 if (!PackageHelper.unMountSdDir(cid)) { 6626 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 6627 return false; 6628 } 6629 } 6630 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 6631 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 6632 " which might be stale. Will try to clean up."); 6633 // Clean up the stale container and proceed to recreate. 6634 if (!PackageHelper.destroySdDir(newCacheId)) { 6635 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 6636 return false; 6637 } 6638 // Successfully cleaned up stale container. Try to rename again. 6639 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 6640 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 6641 + " inspite of cleaning it up."); 6642 return false; 6643 } 6644 } 6645 if (!PackageHelper.isContainerMounted(newCacheId)) { 6646 Slog.w(TAG, "Mounting container " + newCacheId); 6647 newCachePath = PackageHelper.mountSdDir(newCacheId, 6648 getEncryptKey(), Process.SYSTEM_UID); 6649 } else { 6650 newCachePath = PackageHelper.getSdDir(newCacheId); 6651 } 6652 if (newCachePath == null) { 6653 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 6654 return false; 6655 } 6656 Log.i(TAG, "Succesfully renamed " + cid + 6657 " to " + newCacheId + 6658 " at new path: " + newCachePath); 6659 cid = newCacheId; 6660 setCachePath(newCachePath); 6661 return true; 6662 } 6663 6664 private void setCachePath(String newCachePath) { 6665 File cachePath = new File(newCachePath); 6666 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 6667 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 6668 6669 if (isFwdLocked()) { 6670 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 6671 } else { 6672 resourcePath = packagePath; 6673 } 6674 } 6675 6676 int doPostInstall(int status, int uid) { 6677 if (status != PackageManager.INSTALL_SUCCEEDED) { 6678 cleanUp(); 6679 } else { 6680 final int groupOwner; 6681 final String protectedFile; 6682 if (isFwdLocked()) { 6683 groupOwner = uid; 6684 protectedFile = RES_FILE_NAME; 6685 } else { 6686 groupOwner = -1; 6687 protectedFile = null; 6688 } 6689 6690 if (uid < Process.FIRST_APPLICATION_UID 6691 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 6692 Slog.e(TAG, "Failed to finalize " + cid); 6693 PackageHelper.destroySdDir(cid); 6694 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 6695 } 6696 6697 boolean mounted = PackageHelper.isContainerMounted(cid); 6698 if (!mounted) { 6699 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 6700 } 6701 } 6702 return status; 6703 } 6704 6705 private void cleanUp() { 6706 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 6707 6708 // Destroy secure container 6709 PackageHelper.destroySdDir(cid); 6710 } 6711 6712 void cleanUpResourcesLI() { 6713 String sourceFile = getCodePath(); 6714 // Remove dex file 6715 int retCode = mInstaller.rmdex(sourceFile); 6716 if (retCode < 0) { 6717 Slog.w(TAG, "Couldn't remove dex file for package: " 6718 + " at location " 6719 + sourceFile.toString() + ", retcode=" + retCode); 6720 // we don't consider this to be a failure of the core package deletion 6721 } 6722 cleanUp(); 6723 } 6724 6725 boolean matchContainer(String app) { 6726 if (cid.startsWith(app)) { 6727 return true; 6728 } 6729 return false; 6730 } 6731 6732 String getPackageName() { 6733 int idx = cid.lastIndexOf("-"); 6734 if (idx == -1) { 6735 return cid; 6736 } 6737 return cid.substring(0, idx); 6738 } 6739 6740 boolean doPostDeleteLI(boolean delete) { 6741 boolean ret = false; 6742 boolean mounted = PackageHelper.isContainerMounted(cid); 6743 if (mounted) { 6744 // Unmount first 6745 ret = PackageHelper.unMountSdDir(cid); 6746 } 6747 if (ret && delete) { 6748 cleanUpResourcesLI(); 6749 } 6750 return ret; 6751 } 6752 6753 @Override 6754 int doPreCopy() { 6755 if (isFwdLocked()) { 6756 if (!PackageHelper.fixSdPermissions(cid, 6757 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 6758 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 6759 } 6760 } 6761 6762 return PackageManager.INSTALL_SUCCEEDED; 6763 } 6764 6765 @Override 6766 int doPostCopy(int uid) { 6767 if (isFwdLocked()) { 6768 PackageHelper.fixSdPermissions(cid, uid, RES_FILE_NAME); 6769 if (uid < Process.FIRST_APPLICATION_UID 6770 || !PackageHelper.fixSdPermissions(cid, uid, RES_FILE_NAME)) { 6771 Slog.e(TAG, "Failed to finalize " + cid); 6772 PackageHelper.destroySdDir(cid); 6773 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 6774 } 6775 } 6776 6777 return PackageManager.INSTALL_SUCCEEDED; 6778 } 6779 }; 6780 6781 // Utility method used to create code paths based on package name and available index. 6782 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 6783 String idxStr = ""; 6784 int idx = 1; 6785 // Fall back to default value of idx=1 if prefix is not 6786 // part of oldCodePath 6787 if (oldCodePath != null) { 6788 String subStr = oldCodePath; 6789 // Drop the suffix right away 6790 if (subStr.endsWith(suffix)) { 6791 subStr = subStr.substring(0, subStr.length() - suffix.length()); 6792 } 6793 // If oldCodePath already contains prefix find out the 6794 // ending index to either increment or decrement. 6795 int sidx = subStr.lastIndexOf(prefix); 6796 if (sidx != -1) { 6797 subStr = subStr.substring(sidx + prefix.length()); 6798 if (subStr != null) { 6799 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 6800 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 6801 } 6802 try { 6803 idx = Integer.parseInt(subStr); 6804 if (idx <= 1) { 6805 idx++; 6806 } else { 6807 idx--; 6808 } 6809 } catch(NumberFormatException e) { 6810 } 6811 } 6812 } 6813 } 6814 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 6815 return prefix + idxStr; 6816 } 6817 6818 // Utility method used to ignore ADD/REMOVE events 6819 // by directory observer. 6820 private static boolean ignoreCodePath(String fullPathStr) { 6821 String apkName = getApkName(fullPathStr); 6822 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 6823 if (idx != -1 && ((idx+1) < apkName.length())) { 6824 // Make sure the package ends with a numeral 6825 String version = apkName.substring(idx+1); 6826 try { 6827 Integer.parseInt(version); 6828 return true; 6829 } catch (NumberFormatException e) {} 6830 } 6831 return false; 6832 } 6833 6834 // Utility method that returns the relative package path with respect 6835 // to the installation directory. Like say for /data/data/com.test-1.apk 6836 // string com.test-1 is returned. 6837 static String getApkName(String codePath) { 6838 if (codePath == null) { 6839 return null; 6840 } 6841 int sidx = codePath.lastIndexOf("/"); 6842 int eidx = codePath.lastIndexOf("."); 6843 if (eidx == -1) { 6844 eidx = codePath.length(); 6845 } else if (eidx == 0) { 6846 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 6847 return null; 6848 } 6849 return codePath.substring(sidx+1, eidx); 6850 } 6851 6852 class PackageInstalledInfo { 6853 String name; 6854 int uid; 6855 PackageParser.Package pkg; 6856 int returnCode; 6857 PackageRemovedInfo removedInfo; 6858 } 6859 6860 /* 6861 * Install a non-existing package. 6862 */ 6863 private void installNewPackageLI(PackageParser.Package pkg, 6864 int parseFlags, 6865 int scanMode, 6866 String installerPackageName, PackageInstalledInfo res) { 6867 // Remember this for later, in case we need to rollback this install 6868 String pkgName = pkg.packageName; 6869 6870 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 6871 res.name = pkgName; 6872 synchronized(mPackages) { 6873 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 6874 // A package with the same name is already installed, though 6875 // it has been renamed to an older name. The package we 6876 // are trying to install should be installed as an update to 6877 // the existing one, but that has not been requested, so bail. 6878 Slog.w(TAG, "Attempt to re-install " + pkgName 6879 + " without first uninstalling package running as " 6880 + mSettings.mRenamedPackages.get(pkgName)); 6881 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 6882 return; 6883 } 6884 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 6885 // Don't allow installation over an existing package with the same name. 6886 Slog.w(TAG, "Attempt to re-install " + pkgName 6887 + " without first uninstalling."); 6888 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 6889 return; 6890 } 6891 } 6892 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 6893 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 6894 System.currentTimeMillis()); 6895 if (newPackage == null) { 6896 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 6897 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 6898 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 6899 } 6900 } else { 6901 updateSettingsLI(newPackage, 6902 installerPackageName, 6903 res); 6904 // delete the partially installed application. the data directory will have to be 6905 // restored if it was already existing 6906 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 6907 // remove package from internal structures. Note that we want deletePackageX to 6908 // delete the package data and cache directories that it created in 6909 // scanPackageLocked, unless those directories existed before we even tried to 6910 // install. 6911 deletePackageLI( 6912 pkgName, false, 6913 dataDirExists ? PackageManager.DONT_DELETE_DATA : 0, 6914 res.removedInfo, true); 6915 } 6916 } 6917 } 6918 6919 private void replacePackageLI(PackageParser.Package pkg, 6920 int parseFlags, 6921 int scanMode, 6922 String installerPackageName, PackageInstalledInfo res) { 6923 6924 PackageParser.Package oldPackage; 6925 String pkgName = pkg.packageName; 6926 // First find the old package info and check signatures 6927 synchronized(mPackages) { 6928 oldPackage = mPackages.get(pkgName); 6929 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 6930 != PackageManager.SIGNATURE_MATCH) { 6931 Slog.w(TAG, "New package has a different signature: " + pkgName); 6932 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 6933 return; 6934 } 6935 } 6936 boolean sysPkg = (isSystemApp(oldPackage)); 6937 if (sysPkg) { 6938 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, installerPackageName, res); 6939 } else { 6940 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, installerPackageName, res); 6941 } 6942 } 6943 6944 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 6945 PackageParser.Package pkg, 6946 int parseFlags, int scanMode, 6947 String installerPackageName, PackageInstalledInfo res) { 6948 PackageParser.Package newPackage = null; 6949 String pkgName = deletedPackage.packageName; 6950 boolean deletedPkg = true; 6951 boolean updatedSettings = false; 6952 6953 long origUpdateTime; 6954 if (pkg.mExtras != null) { 6955 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 6956 } else { 6957 origUpdateTime = 0; 6958 } 6959 6960 // First delete the existing package while retaining the data directory 6961 if (!deletePackageLI(pkgName, true, PackageManager.DONT_DELETE_DATA, 6962 res.removedInfo, true)) { 6963 // If the existing package wasn't successfully deleted 6964 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 6965 deletedPkg = false; 6966 } else { 6967 // Successfully deleted the old package. Now proceed with re-installation 6968 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 6969 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 6970 System.currentTimeMillis()); 6971 if (newPackage == null) { 6972 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 6973 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 6974 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 6975 } 6976 } else { 6977 updateSettingsLI(newPackage, 6978 installerPackageName, 6979 res); 6980 updatedSettings = true; 6981 } 6982 } 6983 6984 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 6985 // remove package from internal structures. Note that we want deletePackageX to 6986 // delete the package data and cache directories that it created in 6987 // scanPackageLocked, unless those directories existed before we even tried to 6988 // install. 6989 if(updatedSettings) { 6990 deletePackageLI( 6991 pkgName, true, 6992 PackageManager.DONT_DELETE_DATA, 6993 res.removedInfo, true); 6994 } 6995 // Since we failed to install the new package we need to restore the old 6996 // package that we deleted. 6997 if(deletedPkg) { 6998 File restoreFile = new File(deletedPackage.mPath); 6999 // Parse old package 7000 boolean oldOnSd = isExternal(deletedPackage); 7001 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 7002 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 7003 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 7004 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 7005 | SCAN_UPDATE_TIME; 7006 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 7007 origUpdateTime) == null) { 7008 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 7009 return; 7010 } 7011 // Restore of old package succeeded. Update permissions. 7012 // writer 7013 synchronized (mPackages) { 7014 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 7015 UPDATE_PERMISSIONS_ALL); 7016 // can downgrade to reader 7017 mSettings.writeLPr(); 7018 } 7019 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 7020 } 7021 } 7022 } 7023 7024 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 7025 PackageParser.Package pkg, 7026 int parseFlags, int scanMode, 7027 String installerPackageName, PackageInstalledInfo res) { 7028 PackageParser.Package newPackage = null; 7029 boolean updatedSettings = false; 7030 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 7031 PackageParser.PARSE_IS_SYSTEM; 7032 String packageName = deletedPackage.packageName; 7033 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 7034 if (packageName == null) { 7035 Slog.w(TAG, "Attempt to delete null packageName."); 7036 return; 7037 } 7038 PackageParser.Package oldPkg; 7039 PackageSetting oldPkgSetting; 7040 // reader 7041 synchronized (mPackages) { 7042 oldPkg = mPackages.get(packageName); 7043 oldPkgSetting = mSettings.mPackages.get(packageName); 7044 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 7045 (oldPkgSetting == null)) { 7046 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 7047 return; 7048 } 7049 } 7050 7051 killApplication(packageName, oldPkg.applicationInfo.uid); 7052 7053 res.removedInfo.uid = oldPkg.applicationInfo.uid; 7054 res.removedInfo.removedPackage = packageName; 7055 // Remove existing system package 7056 removePackageLI(oldPkg, true); 7057 // writer 7058 synchronized (mPackages) { 7059 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 7060 // We didn't need to disable the .apk as a current system package, 7061 // which means we are replacing another update that is already 7062 // installed. We need to make sure to delete the older one's .apk. 7063 res.removedInfo.args = createInstallArgs(0, 7064 deletedPackage.applicationInfo.sourceDir, 7065 deletedPackage.applicationInfo.publicSourceDir, 7066 deletedPackage.applicationInfo.nativeLibraryDir); 7067 } else { 7068 res.removedInfo.args = null; 7069 } 7070 } 7071 7072 // Successfully disabled the old package. Now proceed with re-installation 7073 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 7074 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7075 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0); 7076 if (newPackage == null) { 7077 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 7078 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 7079 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 7080 } 7081 } else { 7082 if (newPackage.mExtras != null) { 7083 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 7084 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 7085 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 7086 } 7087 updateSettingsLI(newPackage, installerPackageName, res); 7088 updatedSettings = true; 7089 } 7090 7091 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 7092 // Re installation failed. Restore old information 7093 // Remove new pkg information 7094 if (newPackage != null) { 7095 removePackageLI(newPackage, true); 7096 } 7097 // Add back the old system package 7098 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0); 7099 // Restore the old system information in Settings 7100 synchronized(mPackages) { 7101 if (updatedSettings) { 7102 mSettings.enableSystemPackageLPw(packageName); 7103 mSettings.setInstallerPackageName(packageName, 7104 oldPkgSetting.installerPackageName); 7105 } 7106 mSettings.writeLPr(); 7107 } 7108 } 7109 } 7110 7111 // Utility method used to move dex files during install. 7112 private int moveDexFilesLI(PackageParser.Package newPackage) { 7113 int retCode; 7114 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 7115 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 7116 if (retCode != 0) { 7117 if (mNoDexOpt) { 7118 /* 7119 * If we're in an engineering build, programs are lazily run 7120 * through dexopt. If the .dex file doesn't exist yet, it 7121 * will be created when the program is run next. 7122 */ 7123 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 7124 } else { 7125 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 7126 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7127 } 7128 } 7129 } 7130 return PackageManager.INSTALL_SUCCEEDED; 7131 } 7132 7133 private void updateSettingsLI(PackageParser.Package newPackage, 7134 String installerPackageName, PackageInstalledInfo res) { 7135 String pkgName = newPackage.packageName; 7136 synchronized (mPackages) { 7137 //write settings. the installStatus will be incomplete at this stage. 7138 //note that the new package setting would have already been 7139 //added to mPackages. It hasn't been persisted yet. 7140 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 7141 mSettings.writeLPr(); 7142 } 7143 7144 if ((res.returnCode = moveDexFilesLI(newPackage)) 7145 != PackageManager.INSTALL_SUCCEEDED) { 7146 // Discontinue if moving dex files failed. 7147 return; 7148 } 7149 7150 Log.d(TAG, "New package installed in " + newPackage.mPath); 7151 7152 synchronized (mPackages) { 7153 updatePermissionsLPw(newPackage.packageName, newPackage, 7154 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 7155 ? UPDATE_PERMISSIONS_ALL : 0)); 7156 res.name = pkgName; 7157 res.uid = newPackage.applicationInfo.uid; 7158 res.pkg = newPackage; 7159 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 7160 mSettings.setInstallerPackageName(pkgName, installerPackageName); 7161 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 7162 //to update install status 7163 mSettings.writeLPr(); 7164 } 7165 } 7166 7167 private void installPackageLI(InstallArgs args, 7168 boolean newInstall, PackageInstalledInfo res) { 7169 int pFlags = args.flags; 7170 String installerPackageName = args.installerPackageName; 7171 File tmpPackageFile = new File(args.getCodePath()); 7172 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 7173 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 7174 boolean replace = false; 7175 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 7176 | (newInstall ? SCAN_NEW_INSTALL : 0); 7177 // Result object to be returned 7178 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 7179 7180 // Retrieve PackageSettings and parse package 7181 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 7182 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 7183 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 7184 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 7185 pp.setSeparateProcesses(mSeparateProcesses); 7186 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 7187 null, mMetrics, parseFlags); 7188 if (pkg == null) { 7189 res.returnCode = pp.getParseError(); 7190 return; 7191 } 7192 String pkgName = res.name = pkg.packageName; 7193 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 7194 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 7195 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 7196 return; 7197 } 7198 } 7199 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 7200 res.returnCode = pp.getParseError(); 7201 return; 7202 } 7203 7204 /* If the installer passed in a manifest digest, compare it now. */ 7205 if (args.manifestDigest != null) { 7206 if (DEBUG_INSTALL) { 7207 final String parsedManifest = pkg.manifestDigest == null ? "null" 7208 : pkg.manifestDigest.toString(); 7209 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 7210 + parsedManifest); 7211 } 7212 7213 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 7214 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 7215 return; 7216 } 7217 } else if (DEBUG_INSTALL) { 7218 final String parsedManifest = pkg.manifestDigest == null 7219 ? "null" : pkg.manifestDigest.toString(); 7220 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 7221 } 7222 7223 // Get rid of all references to package scan path via parser. 7224 pp = null; 7225 String oldCodePath = null; 7226 boolean systemApp = false; 7227 synchronized (mPackages) { 7228 // Check if installing already existing package 7229 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7230 String oldName = mSettings.mRenamedPackages.get(pkgName); 7231 if (pkg.mOriginalPackages != null 7232 && pkg.mOriginalPackages.contains(oldName) 7233 && mPackages.containsKey(oldName)) { 7234 // This package is derived from an original package, 7235 // and this device has been updating from that original 7236 // name. We must continue using the original name, so 7237 // rename the new package here. 7238 pkg.setPackageName(oldName); 7239 pkgName = pkg.packageName; 7240 replace = true; 7241 } else if (mPackages.containsKey(pkgName)) { 7242 // This package, under its official name, already exists 7243 // on the device; we should replace it. 7244 replace = true; 7245 } 7246 } 7247 PackageSetting ps = mSettings.mPackages.get(pkgName); 7248 if (ps != null) { 7249 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 7250 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7251 systemApp = (ps.pkg.applicationInfo.flags & 7252 ApplicationInfo.FLAG_SYSTEM) != 0; 7253 } 7254 } 7255 } 7256 7257 if (systemApp && onSd) { 7258 // Disable updates to system apps on sdcard 7259 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 7260 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7261 return; 7262 } 7263 7264 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 7265 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7266 return; 7267 } 7268 // Set application objects path explicitly after the rename 7269 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 7270 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 7271 if (replace) { 7272 replacePackageLI(pkg, parseFlags, scanMode, 7273 installerPackageName, res); 7274 } else { 7275 installNewPackageLI(pkg, parseFlags, scanMode, 7276 installerPackageName,res); 7277 } 7278 } 7279 7280 private static boolean isForwardLocked(PackageParser.Package pkg) { 7281 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 7282 } 7283 7284 7285 private boolean isForwardLocked(PackageSetting ps) { 7286 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 7287 } 7288 7289 private static boolean isExternal(PackageParser.Package pkg) { 7290 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 7291 } 7292 7293 private static boolean isExternal(PackageSetting ps) { 7294 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 7295 } 7296 7297 private static boolean isSystemApp(PackageParser.Package pkg) { 7298 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7299 } 7300 7301 private static boolean isSystemApp(ApplicationInfo info) { 7302 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7303 } 7304 7305 private static boolean isSystemApp(PackageSetting ps) { 7306 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 7307 } 7308 7309 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 7310 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 7311 } 7312 7313 private int packageFlagsToInstallFlags(PackageSetting ps) { 7314 int installFlags = 0; 7315 if (isExternal(ps)) { 7316 installFlags |= PackageManager.INSTALL_EXTERNAL; 7317 } 7318 if (isForwardLocked(ps)) { 7319 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 7320 } 7321 return installFlags; 7322 } 7323 7324 private void deleteTempPackageFiles() { 7325 FilenameFilter filter = new FilenameFilter() { 7326 public boolean accept(File dir, String name) { 7327 return name.startsWith("vmdl") && name.endsWith(".tmp"); 7328 } 7329 }; 7330 String tmpFilesList[] = mAppInstallDir.list(filter); 7331 if(tmpFilesList == null) { 7332 return; 7333 } 7334 for(int i = 0; i < tmpFilesList.length; i++) { 7335 File tmpFile = new File(mAppInstallDir, tmpFilesList[i]); 7336 tmpFile.delete(); 7337 } 7338 } 7339 7340 private File createTempPackageFile(File installDir) { 7341 File tmpPackageFile; 7342 try { 7343 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 7344 } catch (IOException e) { 7345 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 7346 return null; 7347 } 7348 try { 7349 FileUtils.setPermissions( 7350 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 7351 -1, -1); 7352 } catch (IOException e) { 7353 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 7354 return null; 7355 } 7356 return tmpPackageFile; 7357 } 7358 7359 public void deletePackage(final String packageName, 7360 final IPackageDeleteObserver observer, 7361 final int flags) { 7362 mContext.enforceCallingOrSelfPermission( 7363 android.Manifest.permission.DELETE_PACKAGES, null); 7364 // Queue up an async operation since the package deletion may take a little while. 7365 mHandler.post(new Runnable() { 7366 public void run() { 7367 mHandler.removeCallbacks(this); 7368 final int returnCode = deletePackageX(packageName, true, true, flags); 7369 if (observer != null) { 7370 try { 7371 observer.packageDeleted(packageName, returnCode); 7372 } catch (RemoteException e) { 7373 Log.i(TAG, "Observer no longer exists."); 7374 } //end catch 7375 } //end if 7376 } //end run 7377 }); 7378 } 7379 7380 /** 7381 * This method is an internal method that could be get invoked either 7382 * to delete an installed package or to clean up a failed installation. 7383 * After deleting an installed package, a broadcast is sent to notify any 7384 * listeners that the package has been installed. For cleaning up a failed 7385 * installation, the broadcast is not necessary since the package's 7386 * installation wouldn't have sent the initial broadcast either 7387 * The key steps in deleting a package are 7388 * deleting the package information in internal structures like mPackages, 7389 * deleting the packages base directories through installd 7390 * updating mSettings to reflect current status 7391 * persisting settings for later use 7392 * sending a broadcast if necessary 7393 */ 7394 private int deletePackageX(String packageName, boolean sendBroadCast, 7395 boolean deleteCodeAndResources, int flags) { 7396 final PackageRemovedInfo info = new PackageRemovedInfo(); 7397 final boolean res; 7398 7399 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 7400 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 7401 try { 7402 if (dpm != null && dpm.packageHasActiveAdmins(packageName)) { 7403 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 7404 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 7405 } 7406 } catch (RemoteException e) { 7407 } 7408 7409 synchronized (mInstallLock) { 7410 res = deletePackageLI(packageName, deleteCodeAndResources, 7411 flags | REMOVE_CHATTY, info, true); 7412 } 7413 7414 if (res && sendBroadCast) { 7415 boolean systemUpdate = info.isRemovedPackageSystemUpdate; 7416 info.sendBroadcast(deleteCodeAndResources, systemUpdate); 7417 7418 // If the removed package was a system update, the old system packaged 7419 // was re-enabled; we need to broadcast this information 7420 if (systemUpdate) { 7421 Bundle extras = new Bundle(1); 7422 extras.putInt(Intent.EXTRA_UID, info.removedUid >= 0 ? info.removedUid : info.uid); 7423 extras.putBoolean(Intent.EXTRA_REPLACING, true); 7424 7425 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 7426 extras, null, null, UserId.USER_ALL); 7427 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 7428 extras, null, null, UserId.USER_ALL); 7429 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 7430 null, packageName, null, UserId.USER_ALL); 7431 } 7432 } 7433 // Force a gc here. 7434 Runtime.getRuntime().gc(); 7435 // Delete the resources here after sending the broadcast to let 7436 // other processes clean up before deleting resources. 7437 if (info.args != null) { 7438 synchronized (mInstallLock) { 7439 info.args.doPostDeleteLI(deleteCodeAndResources); 7440 } 7441 } 7442 7443 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 7444 } 7445 7446 static class PackageRemovedInfo { 7447 String removedPackage; 7448 int uid = -1; 7449 int removedUid = -1; 7450 boolean isRemovedPackageSystemUpdate = false; 7451 // Clean up resources deleted packages. 7452 InstallArgs args = null; 7453 7454 void sendBroadcast(boolean fullRemove, boolean replacing) { 7455 Bundle extras = new Bundle(1); 7456 extras.putInt(Intent.EXTRA_UID, removedUid >= 0 ? removedUid : uid); 7457 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 7458 if (replacing) { 7459 extras.putBoolean(Intent.EXTRA_REPLACING, true); 7460 } 7461 if (removedPackage != null) { 7462 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7463 extras, null, null, UserId.USER_ALL); 7464 if (fullRemove && !replacing) { 7465 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 7466 extras, null, null, UserId.USER_ALL); 7467 } 7468 } 7469 if (removedUid >= 0) { 7470 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 7471 UserId.getUserId(removedUid)); 7472 } 7473 } 7474 } 7475 7476 /* 7477 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 7478 * flag is not set, the data directory is removed as well. 7479 * make sure this flag is set for partially installed apps. If not its meaningless to 7480 * delete a partially installed application. 7481 */ 7482 private void removePackageDataLI(PackageParser.Package p, PackageRemovedInfo outInfo, 7483 int flags, boolean writeSettings) { 7484 String packageName = p.packageName; 7485 if (outInfo != null) { 7486 outInfo.removedPackage = packageName; 7487 } 7488 removePackageLI(p, (flags&REMOVE_CHATTY) != 0); 7489 // Retrieve object to delete permissions for shared user later on 7490 final PackageSetting deletedPs; 7491 // reader 7492 synchronized (mPackages) { 7493 deletedPs = mSettings.mPackages.get(packageName); 7494 } 7495 if ((flags&PackageManager.DONT_DELETE_DATA) == 0) { 7496 int retCode = mInstaller.remove(packageName, 0); 7497 if (retCode < 0) { 7498 Slog.w(TAG, "Couldn't remove app data or cache directory for package: " 7499 + packageName + ", retcode=" + retCode); 7500 // we don't consider this to be a failure of the core package deletion 7501 } else { 7502 // TODO: Kill the processes first 7503 sUserManager.removePackageForAllUsers(packageName); 7504 } 7505 schedulePackageCleaning(packageName); 7506 } 7507 // writer 7508 synchronized (mPackages) { 7509 if (deletedPs != null) { 7510 if ((flags&PackageManager.DONT_DELETE_DATA) == 0) { 7511 if (outInfo != null) { 7512 outInfo.removedUid = mSettings.removePackageLPw(packageName); 7513 } 7514 if (deletedPs != null) { 7515 updatePermissionsLPw(deletedPs.name, null, 0); 7516 if (deletedPs.sharedUser != null) { 7517 // remove permissions associated with package 7518 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 7519 } 7520 } 7521 clearPackagePreferredActivitiesLPw(deletedPs.name); 7522 } 7523 } 7524 // can downgrade to reader 7525 if (writeSettings) { 7526 // Save settings now 7527 mSettings.writeLPr(); 7528 } 7529 } 7530 } 7531 7532 /* 7533 * Tries to delete system package. 7534 */ 7535 private boolean deleteSystemPackageLI(PackageParser.Package p, 7536 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 7537 ApplicationInfo applicationInfo = p.applicationInfo; 7538 //applicable for non-partially installed applications only 7539 if (applicationInfo == null) { 7540 Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); 7541 return false; 7542 } 7543 PackageSetting ps = null; 7544 // Confirm if the system package has been updated 7545 // An updated system app can be deleted. This will also have to restore 7546 // the system pkg from system partition 7547 // reader 7548 synchronized (mPackages) { 7549 ps = mSettings.getDisabledSystemPkgLPr(p.packageName); 7550 } 7551 if (ps == null) { 7552 Slog.w(TAG, "Attempt to delete unknown system package "+ p.packageName); 7553 return false; 7554 } else { 7555 Log.i(TAG, "Deleting system pkg from data partition"); 7556 } 7557 // Delete the updated package 7558 outInfo.isRemovedPackageSystemUpdate = true; 7559 if (ps.versionCode < p.mVersionCode) { 7560 // Delete data for downgrades 7561 flags &= ~PackageManager.DONT_DELETE_DATA; 7562 } else { 7563 // Preserve data by setting flag 7564 flags |= PackageManager.DONT_DELETE_DATA; 7565 } 7566 boolean ret = deleteInstalledPackageLI(p, true, flags, outInfo, 7567 writeSettings); 7568 if (!ret) { 7569 return false; 7570 } 7571 // writer 7572 synchronized (mPackages) { 7573 // Reinstate the old system package 7574 mSettings.enableSystemPackageLPw(p.packageName); 7575 // Remove any native libraries from the upgraded package. 7576 NativeLibraryHelper.removeNativeBinariesLI(p.applicationInfo.nativeLibraryDir); 7577 } 7578 // Install the system package 7579 PackageParser.Package newPkg = scanPackageLI(ps.codePath, 7580 PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM, 7581 SCAN_MONITOR | SCAN_NO_PATHS, 0); 7582 7583 if (newPkg == null) { 7584 Slog.w(TAG, "Failed to restore system package:"+p.packageName+" with error:" + mLastScanError); 7585 return false; 7586 } 7587 // writer 7588 synchronized (mPackages) { 7589 updatePermissionsLPw(newPkg.packageName, newPkg, 7590 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 7591 // can downgrade to reader here 7592 if (writeSettings) { 7593 mSettings.writeLPr(); 7594 } 7595 } 7596 return true; 7597 } 7598 7599 private boolean deleteInstalledPackageLI(PackageParser.Package p, 7600 boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo, 7601 boolean writeSettings) { 7602 ApplicationInfo applicationInfo = p.applicationInfo; 7603 if (applicationInfo == null) { 7604 Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); 7605 return false; 7606 } 7607 if (outInfo != null) { 7608 outInfo.uid = applicationInfo.uid; 7609 } 7610 7611 // Delete package data from internal structures and also remove data if flag is set 7612 removePackageDataLI(p, outInfo, flags, writeSettings); 7613 7614 // Delete application code and resources 7615 if (deleteCodeAndResources) { 7616 // TODO can pick up from PackageSettings as well 7617 int installFlags = isExternal(p) ? PackageManager.INSTALL_EXTERNAL : 0; 7618 installFlags |= isForwardLocked(p) ? PackageManager.INSTALL_FORWARD_LOCK : 0; 7619 outInfo.args = createInstallArgs(installFlags, applicationInfo.sourceDir, 7620 applicationInfo.publicSourceDir, applicationInfo.nativeLibraryDir); 7621 } 7622 return true; 7623 } 7624 7625 /* 7626 * This method handles package deletion in general 7627 */ 7628 private boolean deletePackageLI(String packageName, 7629 boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo, 7630 boolean writeSettings) { 7631 if (packageName == null) { 7632 Slog.w(TAG, "Attempt to delete null packageName."); 7633 return false; 7634 } 7635 PackageParser.Package p; 7636 boolean dataOnly = false; 7637 synchronized (mPackages) { 7638 p = mPackages.get(packageName); 7639 if (p == null) { 7640 //this retrieves partially installed apps 7641 dataOnly = true; 7642 PackageSetting ps = mSettings.mPackages.get(packageName); 7643 if (ps == null) { 7644 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 7645 return false; 7646 } 7647 p = ps.pkg; 7648 } 7649 } 7650 if (p == null) { 7651 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 7652 return false; 7653 } 7654 7655 if (dataOnly) { 7656 // Delete application data first 7657 removePackageDataLI(p, outInfo, flags, writeSettings); 7658 return true; 7659 } 7660 // At this point the package should have ApplicationInfo associated with it 7661 if (p.applicationInfo == null) { 7662 Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); 7663 return false; 7664 } 7665 boolean ret = false; 7666 if (isSystemApp(p)) { 7667 Log.i(TAG, "Removing system package:"+p.packageName); 7668 // When an updated system application is deleted we delete the existing resources as well and 7669 // fall back to existing code in system partition 7670 ret = deleteSystemPackageLI(p, flags, outInfo, writeSettings); 7671 } else { 7672 Log.i(TAG, "Removing non-system package:"+p.packageName); 7673 // Kill application pre-emptively especially for apps on sd. 7674 killApplication(packageName, p.applicationInfo.uid); 7675 ret = deleteInstalledPackageLI(p, deleteCodeAndResources, flags, outInfo, 7676 writeSettings); 7677 } 7678 return ret; 7679 } 7680 7681 @Override 7682 public void clearApplicationUserData(final String packageName, 7683 final IPackageDataObserver observer, final int userId) { 7684 mContext.enforceCallingOrSelfPermission( 7685 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 7686 checkValidCaller(Binder.getCallingUid(), userId); 7687 // Queue up an async operation since the package deletion may take a little while. 7688 mHandler.post(new Runnable() { 7689 public void run() { 7690 mHandler.removeCallbacks(this); 7691 final boolean succeeded; 7692 synchronized (mInstallLock) { 7693 succeeded = clearApplicationUserDataLI(packageName, userId); 7694 } 7695 if (succeeded) { 7696 // invoke DeviceStorageMonitor's update method to clear any notifications 7697 DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) 7698 ServiceManager.getService(DeviceStorageMonitorService.SERVICE); 7699 if (dsm != null) { 7700 dsm.updateMemory(); 7701 } 7702 } 7703 if(observer != null) { 7704 try { 7705 observer.onRemoveCompleted(packageName, succeeded); 7706 } catch (RemoteException e) { 7707 Log.i(TAG, "Observer no longer exists."); 7708 } 7709 } //end if observer 7710 } //end run 7711 }); 7712 } 7713 7714 private boolean clearApplicationUserDataLI(String packageName, int userId) { 7715 if (packageName == null) { 7716 Slog.w(TAG, "Attempt to delete null packageName."); 7717 return false; 7718 } 7719 PackageParser.Package p; 7720 boolean dataOnly = false; 7721 synchronized (mPackages) { 7722 p = mPackages.get(packageName); 7723 if(p == null) { 7724 dataOnly = true; 7725 PackageSetting ps = mSettings.mPackages.get(packageName); 7726 if((ps == null) || (ps.pkg == null)) { 7727 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 7728 return false; 7729 } 7730 p = ps.pkg; 7731 } 7732 } 7733 7734 if (!dataOnly) { 7735 //need to check this only for fully installed applications 7736 if (p == null) { 7737 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 7738 return false; 7739 } 7740 final ApplicationInfo applicationInfo = p.applicationInfo; 7741 if (applicationInfo == null) { 7742 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 7743 return false; 7744 } 7745 } 7746 int retCode = mInstaller.clearUserData(packageName, userId); 7747 if (retCode < 0) { 7748 Slog.w(TAG, "Couldn't remove cache files for package: " 7749 + packageName); 7750 return false; 7751 } 7752 return true; 7753 } 7754 7755 public void deleteApplicationCacheFiles(final String packageName, 7756 final IPackageDataObserver observer) { 7757 mContext.enforceCallingOrSelfPermission( 7758 android.Manifest.permission.DELETE_CACHE_FILES, null); 7759 // Queue up an async operation since the package deletion may take a little while. 7760 final int userId = UserId.getCallingUserId(); 7761 mHandler.post(new Runnable() { 7762 public void run() { 7763 mHandler.removeCallbacks(this); 7764 final boolean succeded; 7765 synchronized (mInstallLock) { 7766 succeded = deleteApplicationCacheFilesLI(packageName, userId); 7767 } 7768 if(observer != null) { 7769 try { 7770 observer.onRemoveCompleted(packageName, succeded); 7771 } catch (RemoteException e) { 7772 Log.i(TAG, "Observer no longer exists."); 7773 } 7774 } //end if observer 7775 } //end run 7776 }); 7777 } 7778 7779 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 7780 if (packageName == null) { 7781 Slog.w(TAG, "Attempt to delete null packageName."); 7782 return false; 7783 } 7784 PackageParser.Package p; 7785 synchronized (mPackages) { 7786 p = mPackages.get(packageName); 7787 } 7788 if (p == null) { 7789 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 7790 return false; 7791 } 7792 final ApplicationInfo applicationInfo = p.applicationInfo; 7793 if (applicationInfo == null) { 7794 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 7795 return false; 7796 } 7797 // TODO: Pass userId to deleteCacheFiles 7798 int retCode = mInstaller.deleteCacheFiles(packageName); 7799 if (retCode < 0) { 7800 Slog.w(TAG, "Couldn't remove cache files for package: " 7801 + packageName); 7802 return false; 7803 } 7804 return true; 7805 } 7806 7807 public void getPackageSizeInfo(final String packageName, 7808 final IPackageStatsObserver observer) { 7809 mContext.enforceCallingOrSelfPermission( 7810 android.Manifest.permission.GET_PACKAGE_SIZE, null); 7811 7812 PackageStats stats = new PackageStats(packageName); 7813 7814 /* 7815 * Queue up an async operation since the package measurement may take a 7816 * little while. 7817 */ 7818 Message msg = mHandler.obtainMessage(INIT_COPY); 7819 msg.obj = new MeasureParams(stats, observer); 7820 mHandler.sendMessage(msg); 7821 } 7822 7823 private boolean getPackageSizeInfoLI(String packageName, PackageStats pStats) { 7824 if (packageName == null) { 7825 Slog.w(TAG, "Attempt to get size of null packageName."); 7826 return false; 7827 } 7828 PackageParser.Package p; 7829 boolean dataOnly = false; 7830 String asecPath = null; 7831 synchronized (mPackages) { 7832 p = mPackages.get(packageName); 7833 if(p == null) { 7834 dataOnly = true; 7835 PackageSetting ps = mSettings.mPackages.get(packageName); 7836 if((ps == null) || (ps.pkg == null)) { 7837 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 7838 return false; 7839 } 7840 p = ps.pkg; 7841 } 7842 if (p != null && (isExternal(p) || isForwardLocked(p))) { 7843 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 7844 if (secureContainerId != null) { 7845 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 7846 } 7847 } 7848 } 7849 String publicSrcDir = null; 7850 if(!dataOnly) { 7851 final ApplicationInfo applicationInfo = p.applicationInfo; 7852 if (applicationInfo == null) { 7853 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 7854 return false; 7855 } 7856 if (isForwardLocked(p)) { 7857 publicSrcDir = applicationInfo.publicSourceDir; 7858 } 7859 } 7860 int res = mInstaller.getSizeInfo(packageName, p.mPath, publicSrcDir, 7861 asecPath, pStats); 7862 if (res < 0) { 7863 return false; 7864 } 7865 7866 // Fix-up for forward-locked applications in ASEC containers. 7867 if (!isExternal(p)) { 7868 pStats.codeSize += pStats.externalCodeSize; 7869 pStats.externalCodeSize = 0L; 7870 } 7871 7872 return true; 7873 } 7874 7875 7876 public void addPackageToPreferred(String packageName) { 7877 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 7878 } 7879 7880 public void removePackageFromPreferred(String packageName) { 7881 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 7882 } 7883 7884 public List<PackageInfo> getPreferredPackages(int flags) { 7885 return new ArrayList<PackageInfo>(); 7886 } 7887 7888 private int getUidTargetSdkVersionLockedLPr(int uid) { 7889 Object obj = mSettings.getUserIdLPr(uid); 7890 if (obj instanceof SharedUserSetting) { 7891 final SharedUserSetting sus = (SharedUserSetting) obj; 7892 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 7893 final Iterator<PackageSetting> it = sus.packages.iterator(); 7894 while (it.hasNext()) { 7895 final PackageSetting ps = it.next(); 7896 if (ps.pkg != null) { 7897 int v = ps.pkg.applicationInfo.targetSdkVersion; 7898 if (v < vers) vers = v; 7899 } 7900 } 7901 return vers; 7902 } else if (obj instanceof PackageSetting) { 7903 final PackageSetting ps = (PackageSetting) obj; 7904 if (ps.pkg != null) { 7905 return ps.pkg.applicationInfo.targetSdkVersion; 7906 } 7907 } 7908 return Build.VERSION_CODES.CUR_DEVELOPMENT; 7909 } 7910 7911 public void addPreferredActivity(IntentFilter filter, int match, 7912 ComponentName[] set, ComponentName activity) { 7913 // writer 7914 synchronized (mPackages) { 7915 if (mContext.checkCallingOrSelfPermission( 7916 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 7917 != PackageManager.PERMISSION_GRANTED) { 7918 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 7919 < Build.VERSION_CODES.FROYO) { 7920 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 7921 + Binder.getCallingUid()); 7922 return; 7923 } 7924 mContext.enforceCallingOrSelfPermission( 7925 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 7926 } 7927 7928 Slog.i(TAG, "Adding preferred activity " + activity + ":"); 7929 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 7930 mSettings.mPreferredActivities.addFilter( 7931 new PreferredActivity(filter, match, set, activity)); 7932 scheduleWriteSettingsLocked(); 7933 } 7934 } 7935 7936 public void replacePreferredActivity(IntentFilter filter, int match, 7937 ComponentName[] set, ComponentName activity) { 7938 if (filter.countActions() != 1) { 7939 throw new IllegalArgumentException( 7940 "replacePreferredActivity expects filter to have only 1 action."); 7941 } 7942 if (filter.countCategories() != 1) { 7943 throw new IllegalArgumentException( 7944 "replacePreferredActivity expects filter to have only 1 category."); 7945 } 7946 if (filter.countDataAuthorities() != 0 7947 || filter.countDataPaths() != 0 7948 || filter.countDataSchemes() != 0 7949 || filter.countDataTypes() != 0) { 7950 throw new IllegalArgumentException( 7951 "replacePreferredActivity expects filter to have no data authorities, " + 7952 "paths, schemes or types."); 7953 } 7954 synchronized (mPackages) { 7955 if (mContext.checkCallingOrSelfPermission( 7956 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 7957 != PackageManager.PERMISSION_GRANTED) { 7958 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 7959 < Build.VERSION_CODES.FROYO) { 7960 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 7961 + Binder.getCallingUid()); 7962 return; 7963 } 7964 mContext.enforceCallingOrSelfPermission( 7965 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 7966 } 7967 7968 ArrayList<PreferredActivity> removed = null; 7969 Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); 7970 String action = filter.getAction(0); 7971 String category = filter.getCategory(0); 7972 while (it.hasNext()) { 7973 PreferredActivity pa = it.next(); 7974 if (pa.getAction(0).equals(action) && pa.getCategory(0).equals(category)) { 7975 if (removed == null) { 7976 removed = new ArrayList<PreferredActivity>(); 7977 } 7978 removed.add(pa); 7979 Log.i(TAG, "Removing preferred activity " + pa.mPref.mComponent + ":"); 7980 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 7981 } 7982 } 7983 if (removed != null) { 7984 for (int i=0; i<removed.size(); i++) { 7985 PreferredActivity pa = removed.get(i); 7986 mSettings.mPreferredActivities.removeFilter(pa); 7987 } 7988 } 7989 addPreferredActivity(filter, match, set, activity); 7990 } 7991 } 7992 7993 public void clearPackagePreferredActivities(String packageName) { 7994 final int uid = Binder.getCallingUid(); 7995 // writer 7996 synchronized (mPackages) { 7997 PackageParser.Package pkg = mPackages.get(packageName); 7998 if (pkg == null || pkg.applicationInfo.uid != uid) { 7999 if (mContext.checkCallingOrSelfPermission( 8000 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 8001 != PackageManager.PERMISSION_GRANTED) { 8002 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 8003 < Build.VERSION_CODES.FROYO) { 8004 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 8005 + Binder.getCallingUid()); 8006 return; 8007 } 8008 mContext.enforceCallingOrSelfPermission( 8009 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 8010 } 8011 } 8012 8013 if (clearPackagePreferredActivitiesLPw(packageName)) { 8014 scheduleWriteSettingsLocked(); 8015 } 8016 } 8017 } 8018 8019 boolean clearPackagePreferredActivitiesLPw(String packageName) { 8020 ArrayList<PreferredActivity> removed = null; 8021 Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); 8022 while (it.hasNext()) { 8023 PreferredActivity pa = it.next(); 8024 if (pa.mPref.mComponent.getPackageName().equals(packageName)) { 8025 if (removed == null) { 8026 removed = new ArrayList<PreferredActivity>(); 8027 } 8028 removed.add(pa); 8029 } 8030 } 8031 if (removed != null) { 8032 for (int i=0; i<removed.size(); i++) { 8033 PreferredActivity pa = removed.get(i); 8034 mSettings.mPreferredActivities.removeFilter(pa); 8035 } 8036 return true; 8037 } 8038 return false; 8039 } 8040 8041 public int getPreferredActivities(List<IntentFilter> outFilters, 8042 List<ComponentName> outActivities, String packageName) { 8043 8044 int num = 0; 8045 // reader 8046 synchronized (mPackages) { 8047 final Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); 8048 while (it.hasNext()) { 8049 final PreferredActivity pa = it.next(); 8050 if (packageName == null 8051 || pa.mPref.mComponent.getPackageName().equals(packageName)) { 8052 if (outFilters != null) { 8053 outFilters.add(new IntentFilter(pa)); 8054 } 8055 if (outActivities != null) { 8056 outActivities.add(pa.mPref.mComponent); 8057 } 8058 } 8059 } 8060 } 8061 8062 return num; 8063 } 8064 8065 @Override 8066 public void setApplicationEnabledSetting(String appPackageName, 8067 int newState, int flags, int userId) { 8068 if (!sUserManager.exists(userId)) return; 8069 setEnabledSetting(appPackageName, null, newState, flags, userId); 8070 } 8071 8072 @Override 8073 public void setComponentEnabledSetting(ComponentName componentName, 8074 int newState, int flags, int userId) { 8075 if (!sUserManager.exists(userId)) return; 8076 setEnabledSetting(componentName.getPackageName(), 8077 componentName.getClassName(), newState, flags, userId); 8078 } 8079 8080 private void setEnabledSetting( 8081 final String packageName, String className, int newState, final int flags, int userId) { 8082 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 8083 || newState == COMPONENT_ENABLED_STATE_ENABLED 8084 || newState == COMPONENT_ENABLED_STATE_DISABLED 8085 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER)) { 8086 throw new IllegalArgumentException("Invalid new component state: " 8087 + newState); 8088 } 8089 PackageSetting pkgSetting; 8090 final int uid = Binder.getCallingUid(); 8091 final int permission = mContext.checkCallingPermission( 8092 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 8093 checkValidCaller(uid, userId); 8094 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 8095 boolean sendNow = false; 8096 boolean isApp = (className == null); 8097 String componentName = isApp ? packageName : className; 8098 int packageUid = -1; 8099 ArrayList<String> components; 8100 8101 // writer 8102 synchronized (mPackages) { 8103 pkgSetting = mSettings.mPackages.get(packageName); 8104 if (pkgSetting == null) { 8105 if (className == null) { 8106 throw new IllegalArgumentException( 8107 "Unknown package: " + packageName); 8108 } 8109 throw new IllegalArgumentException( 8110 "Unknown component: " + packageName 8111 + "/" + className); 8112 } 8113 // Allow root and verify that userId is not being specified by a different user 8114 if (!allowedByPermission && !UserId.isSameApp(uid, pkgSetting.appId)) { 8115 throw new SecurityException( 8116 "Permission Denial: attempt to change component state from pid=" 8117 + Binder.getCallingPid() 8118 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 8119 } 8120 if (className == null) { 8121 // We're dealing with an application/package level state change 8122 if (pkgSetting.getEnabled(userId) == newState) { 8123 // Nothing to do 8124 return; 8125 } 8126 pkgSetting.setEnabled(newState, userId); 8127 // pkgSetting.pkg.mSetEnabled = newState; 8128 } else { 8129 // We're dealing with a component level state change 8130 // First, verify that this is a valid class name. 8131 PackageParser.Package pkg = pkgSetting.pkg; 8132 if (pkg == null || !pkg.hasComponentClassName(className)) { 8133 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 8134 throw new IllegalArgumentException("Component class " + className 8135 + " does not exist in " + packageName); 8136 } else { 8137 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 8138 + className + " does not exist in " + packageName); 8139 } 8140 } 8141 switch (newState) { 8142 case COMPONENT_ENABLED_STATE_ENABLED: 8143 if (!pkgSetting.enableComponentLPw(className, userId)) { 8144 return; 8145 } 8146 break; 8147 case COMPONENT_ENABLED_STATE_DISABLED: 8148 if (!pkgSetting.disableComponentLPw(className, userId)) { 8149 return; 8150 } 8151 break; 8152 case COMPONENT_ENABLED_STATE_DEFAULT: 8153 if (!pkgSetting.restoreComponentLPw(className, userId)) { 8154 return; 8155 } 8156 break; 8157 default: 8158 Slog.e(TAG, "Invalid new component state: " + newState); 8159 return; 8160 } 8161 } 8162 mSettings.writePackageRestrictionsLPr(userId); 8163 packageUid = UserId.getUid(userId, pkgSetting.appId); 8164 components = mPendingBroadcasts.get(packageName); 8165 final boolean newPackage = components == null; 8166 if (newPackage) { 8167 components = new ArrayList<String>(); 8168 } 8169 if (!components.contains(componentName)) { 8170 components.add(componentName); 8171 } 8172 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 8173 sendNow = true; 8174 // Purge entry from pending broadcast list if another one exists already 8175 // since we are sending one right away. 8176 mPendingBroadcasts.remove(packageName); 8177 } else { 8178 if (newPackage) { 8179 mPendingBroadcasts.put(packageName, components); 8180 } 8181 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 8182 // Schedule a message 8183 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 8184 } 8185 } 8186 } 8187 8188 long callingId = Binder.clearCallingIdentity(); 8189 try { 8190 if (sendNow) { 8191 sendPackageChangedBroadcast(packageName, 8192 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 8193 } 8194 } finally { 8195 Binder.restoreCallingIdentity(callingId); 8196 } 8197 } 8198 8199 private void sendPackageChangedBroadcast(String packageName, 8200 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 8201 if (DEBUG_INSTALL) 8202 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 8203 + componentNames); 8204 Bundle extras = new Bundle(4); 8205 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 8206 String nameList[] = new String[componentNames.size()]; 8207 componentNames.toArray(nameList); 8208 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 8209 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 8210 extras.putInt(Intent.EXTRA_UID, packageUid); 8211 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 8212 UserId.getUserId(packageUid)); 8213 } 8214 8215 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 8216 if (!sUserManager.exists(userId)) return; 8217 final int uid = Binder.getCallingUid(); 8218 final int permission = mContext.checkCallingOrSelfPermission( 8219 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 8220 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 8221 checkValidCaller(uid, userId); 8222 // writer 8223 synchronized (mPackages) { 8224 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 8225 uid, userId)) { 8226 scheduleWritePackageRestrictionsLocked(userId); 8227 } 8228 } 8229 } 8230 8231 public String getInstallerPackageName(String packageName) { 8232 // reader 8233 synchronized (mPackages) { 8234 return mSettings.getInstallerPackageNameLPr(packageName); 8235 } 8236 } 8237 8238 @Override 8239 public int getApplicationEnabledSetting(String packageName, int userId) { 8240 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 8241 int uid = Binder.getCallingUid(); 8242 checkValidCaller(uid, userId); 8243 // reader 8244 synchronized (mPackages) { 8245 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 8246 } 8247 } 8248 8249 @Override 8250 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 8251 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 8252 int uid = Binder.getCallingUid(); 8253 checkValidCaller(uid, userId); 8254 // reader 8255 synchronized (mPackages) { 8256 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 8257 } 8258 } 8259 8260 public void enterSafeMode() { 8261 enforceSystemOrRoot("Only the system can request entering safe mode"); 8262 8263 if (!mSystemReady) { 8264 mSafeMode = true; 8265 } 8266 } 8267 8268 public void systemReady() { 8269 mSystemReady = true; 8270 8271 // Read the compatibilty setting when the system is ready. 8272 boolean compatibilityModeEnabled = android.provider.Settings.System.getInt( 8273 mContext.getContentResolver(), 8274 android.provider.Settings.System.COMPATIBILITY_MODE, 1) == 1; 8275 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 8276 if (DEBUG_SETTINGS) { 8277 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 8278 } 8279 } 8280 8281 public boolean isSafeMode() { 8282 return mSafeMode; 8283 } 8284 8285 public boolean hasSystemUidErrors() { 8286 return mHasSystemUidErrors; 8287 } 8288 8289 static String arrayToString(int[] array) { 8290 StringBuffer buf = new StringBuffer(128); 8291 buf.append('['); 8292 if (array != null) { 8293 for (int i=0; i<array.length; i++) { 8294 if (i > 0) buf.append(", "); 8295 buf.append(array[i]); 8296 } 8297 } 8298 buf.append(']'); 8299 return buf.toString(); 8300 } 8301 8302 static class DumpState { 8303 public static final int DUMP_LIBS = 1 << 0; 8304 8305 public static final int DUMP_FEATURES = 1 << 1; 8306 8307 public static final int DUMP_RESOLVERS = 1 << 2; 8308 8309 public static final int DUMP_PERMISSIONS = 1 << 3; 8310 8311 public static final int DUMP_PACKAGES = 1 << 4; 8312 8313 public static final int DUMP_SHARED_USERS = 1 << 5; 8314 8315 public static final int DUMP_MESSAGES = 1 << 6; 8316 8317 public static final int DUMP_PROVIDERS = 1 << 7; 8318 8319 public static final int DUMP_VERIFIERS = 1 << 8; 8320 8321 public static final int OPTION_SHOW_FILTERS = 1 << 0; 8322 8323 private int mTypes; 8324 8325 private int mOptions; 8326 8327 private boolean mTitlePrinted; 8328 8329 private SharedUserSetting mSharedUser; 8330 8331 public boolean isDumping(int type) { 8332 if (mTypes == 0) { 8333 return true; 8334 } 8335 8336 return (mTypes & type) != 0; 8337 } 8338 8339 public void setDump(int type) { 8340 mTypes |= type; 8341 } 8342 8343 public boolean isOptionEnabled(int option) { 8344 return (mOptions & option) != 0; 8345 } 8346 8347 public void setOptionEnabled(int option) { 8348 mOptions |= option; 8349 } 8350 8351 public boolean onTitlePrinted() { 8352 final boolean printed = mTitlePrinted; 8353 mTitlePrinted = true; 8354 return printed; 8355 } 8356 8357 public boolean getTitlePrinted() { 8358 return mTitlePrinted; 8359 } 8360 8361 public void setTitlePrinted(boolean enabled) { 8362 mTitlePrinted = enabled; 8363 } 8364 8365 public SharedUserSetting getSharedUser() { 8366 return mSharedUser; 8367 } 8368 8369 public void setSharedUser(SharedUserSetting user) { 8370 mSharedUser = user; 8371 } 8372 } 8373 8374 @Override 8375 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 8376 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 8377 != PackageManager.PERMISSION_GRANTED) { 8378 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 8379 + Binder.getCallingPid() 8380 + ", uid=" + Binder.getCallingUid() 8381 + " without permission " 8382 + android.Manifest.permission.DUMP); 8383 return; 8384 } 8385 8386 DumpState dumpState = new DumpState(); 8387 8388 String packageName = null; 8389 8390 int opti = 0; 8391 while (opti < args.length) { 8392 String opt = args[opti]; 8393 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 8394 break; 8395 } 8396 opti++; 8397 if ("-a".equals(opt)) { 8398 // Right now we only know how to print all. 8399 } else if ("-h".equals(opt)) { 8400 pw.println("Package manager dump options:"); 8401 pw.println(" [-h] [-f] [cmd] ..."); 8402 pw.println(" -f: print details of intent filters"); 8403 pw.println(" -h: print this help"); 8404 pw.println(" cmd may be one of:"); 8405 pw.println(" l[ibraries]: list known shared libraries"); 8406 pw.println(" f[ibraries]: list device features"); 8407 pw.println(" r[esolvers]: dump intent resolvers"); 8408 pw.println(" perm[issions]: dump permissions"); 8409 pw.println(" prov[iders]: dump content providers"); 8410 pw.println(" p[ackages]: dump installed packages"); 8411 pw.println(" s[hared-users]: dump shared user IDs"); 8412 pw.println(" m[essages]: print collected runtime messages"); 8413 pw.println(" v[erifiers]: print package verifier info"); 8414 pw.println(" <package.name>: info about given package"); 8415 return; 8416 } else if ("-f".equals(opt)) { 8417 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 8418 } else { 8419 pw.println("Unknown argument: " + opt + "; use -h for help"); 8420 } 8421 } 8422 8423 // Is the caller requesting to dump a particular piece of data? 8424 if (opti < args.length) { 8425 String cmd = args[opti]; 8426 opti++; 8427 // Is this a package name? 8428 if ("android".equals(cmd) || cmd.contains(".")) { 8429 packageName = cmd; 8430 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 8431 dumpState.setDump(DumpState.DUMP_LIBS); 8432 } else if ("f".equals(cmd) || "features".equals(cmd)) { 8433 dumpState.setDump(DumpState.DUMP_FEATURES); 8434 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 8435 dumpState.setDump(DumpState.DUMP_RESOLVERS); 8436 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 8437 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 8438 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 8439 dumpState.setDump(DumpState.DUMP_PACKAGES); 8440 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 8441 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 8442 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 8443 dumpState.setDump(DumpState.DUMP_PROVIDERS); 8444 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 8445 dumpState.setDump(DumpState.DUMP_MESSAGES); 8446 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 8447 dumpState.setDump(DumpState.DUMP_VERIFIERS); 8448 } 8449 } 8450 8451 // reader 8452 synchronized (mPackages) { 8453 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 8454 if (dumpState.onTitlePrinted()) 8455 pw.println(" "); 8456 pw.println("Verifiers:"); 8457 pw.print(" Required: "); 8458 pw.print(mRequiredVerifierPackage); 8459 pw.print(" (uid="); 8460 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 8461 pw.println(")"); 8462 } 8463 8464 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 8465 if (dumpState.onTitlePrinted()) 8466 pw.println(" "); 8467 pw.println("Libraries:"); 8468 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 8469 while (it.hasNext()) { 8470 String name = it.next(); 8471 pw.print(" "); 8472 pw.print(name); 8473 pw.print(" -> "); 8474 pw.println(mSharedLibraries.get(name)); 8475 } 8476 } 8477 8478 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 8479 if (dumpState.onTitlePrinted()) 8480 pw.println(" "); 8481 pw.println("Features:"); 8482 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 8483 while (it.hasNext()) { 8484 String name = it.next(); 8485 pw.print(" "); 8486 pw.println(name); 8487 } 8488 } 8489 8490 if (dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 8491 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 8492 : "Activity Resolver Table:", " ", packageName, 8493 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 8494 dumpState.setTitlePrinted(true); 8495 } 8496 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 8497 : "Receiver Resolver Table:", " ", packageName, 8498 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 8499 dumpState.setTitlePrinted(true); 8500 } 8501 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 8502 : "Service Resolver Table:", " ", packageName, 8503 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 8504 dumpState.setTitlePrinted(true); 8505 } 8506 if (mSettings.mPreferredActivities.dump(pw, 8507 dumpState.getTitlePrinted() ? "\nPreferred Activities:" 8508 : "Preferred Activities:", " ", 8509 packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 8510 dumpState.setTitlePrinted(true); 8511 } 8512 } 8513 8514 if (dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 8515 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 8516 } 8517 8518 if (dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 8519 boolean printedSomething = false; 8520 for (PackageParser.Provider p : mProvidersByComponent.values()) { 8521 if (packageName != null && !packageName.equals(p.info.packageName)) { 8522 continue; 8523 } 8524 if (!printedSomething) { 8525 if (dumpState.onTitlePrinted()) 8526 pw.println(" "); 8527 pw.println("Registered ContentProviders:"); 8528 printedSomething = true; 8529 } 8530 pw.print(" "); pw.print(p.getComponentShortName()); pw.println(":"); 8531 pw.print(" "); pw.println(p.toString()); 8532 } 8533 printedSomething = false; 8534 for (Map.Entry<String, PackageParser.Provider> entry : mProviders.entrySet()) { 8535 PackageParser.Provider p = entry.getValue(); 8536 if (packageName != null && !packageName.equals(p.info.packageName)) { 8537 continue; 8538 } 8539 if (!printedSomething) { 8540 if (dumpState.onTitlePrinted()) 8541 pw.println(" "); 8542 pw.println("ContentProvider Authorities:"); 8543 printedSomething = true; 8544 } 8545 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 8546 pw.print(" "); pw.println(p.toString()); 8547 } 8548 } 8549 8550 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 8551 mSettings.dumpPackagesLPr(pw, packageName, dumpState); 8552 } 8553 8554 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 8555 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 8556 } 8557 8558 if (dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 8559 if (dumpState.onTitlePrinted()) 8560 pw.println(" "); 8561 mSettings.dumpReadMessagesLPr(pw, dumpState); 8562 8563 pw.println(" "); 8564 pw.println("Package warning messages:"); 8565 final File fname = getSettingsProblemFile(); 8566 FileInputStream in = null; 8567 try { 8568 in = new FileInputStream(fname); 8569 final int avail = in.available(); 8570 final byte[] data = new byte[avail]; 8571 in.read(data); 8572 pw.print(new String(data)); 8573 } catch (FileNotFoundException e) { 8574 } catch (IOException e) { 8575 } finally { 8576 if (in != null) { 8577 try { 8578 in.close(); 8579 } catch (IOException e) { 8580 } 8581 } 8582 } 8583 } 8584 } 8585 } 8586 8587 // ------- apps on sdcard specific code ------- 8588 static final boolean DEBUG_SD_INSTALL = false; 8589 8590 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 8591 8592 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 8593 8594 private boolean mMediaMounted = false; 8595 8596 private String getEncryptKey() { 8597 try { 8598 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 8599 SD_ENCRYPTION_KEYSTORE_NAME); 8600 if (sdEncKey == null) { 8601 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 8602 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 8603 if (sdEncKey == null) { 8604 Slog.e(TAG, "Failed to create encryption keys"); 8605 return null; 8606 } 8607 } 8608 return sdEncKey; 8609 } catch (NoSuchAlgorithmException nsae) { 8610 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 8611 return null; 8612 } catch (IOException ioe) { 8613 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 8614 return null; 8615 } 8616 8617 } 8618 8619 /* package */static String getTempContainerId() { 8620 int tmpIdx = 1; 8621 String list[] = PackageHelper.getSecureContainerList(); 8622 if (list != null) { 8623 for (final String name : list) { 8624 // Ignore null and non-temporary container entries 8625 if (name == null || !name.startsWith(mTempContainerPrefix)) { 8626 continue; 8627 } 8628 8629 String subStr = name.substring(mTempContainerPrefix.length()); 8630 try { 8631 int cid = Integer.parseInt(subStr); 8632 if (cid >= tmpIdx) { 8633 tmpIdx = cid + 1; 8634 } 8635 } catch (NumberFormatException e) { 8636 } 8637 } 8638 } 8639 return mTempContainerPrefix + tmpIdx; 8640 } 8641 8642 /* 8643 * Update media status on PackageManager. 8644 */ 8645 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 8646 int callingUid = Binder.getCallingUid(); 8647 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 8648 throw new SecurityException("Media status can only be updated by the system"); 8649 } 8650 // reader; this apparently protects mMediaMounted, but should probably 8651 // be a different lock in that case. 8652 synchronized (mPackages) { 8653 Log.i(TAG, "Updating external media status from " 8654 + (mMediaMounted ? "mounted" : "unmounted") + " to " 8655 + (mediaStatus ? "mounted" : "unmounted")); 8656 if (DEBUG_SD_INSTALL) 8657 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 8658 + ", mMediaMounted=" + mMediaMounted); 8659 if (mediaStatus == mMediaMounted) { 8660 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 8661 : 0, -1); 8662 mHandler.sendMessage(msg); 8663 return; 8664 } 8665 mMediaMounted = mediaStatus; 8666 } 8667 // Queue up an async operation since the package installation may take a 8668 // little while. 8669 mHandler.post(new Runnable() { 8670 public void run() { 8671 updateExternalMediaStatusInner(mediaStatus, reportStatus); 8672 } 8673 }); 8674 } 8675 8676 /** 8677 * Called by MountService when the initial ASECs to scan are available. 8678 * Should block until all the ASEC containers are finished being scanned. 8679 */ 8680 public void scanAvailableAsecs() { 8681 updateExternalMediaStatusInner(true, false); 8682 } 8683 8684 /* 8685 * Collect information of applications on external media, map them against 8686 * existing containers and update information based on current mount status. 8687 * Please note that we always have to report status if reportStatus has been 8688 * set to true especially when unloading packages. 8689 */ 8690 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus) { 8691 // Collection of uids 8692 int uidArr[] = null; 8693 // Collection of stale containers 8694 HashSet<String> removeCids = new HashSet<String>(); 8695 // Collection of packages on external media with valid containers. 8696 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 8697 // Get list of secure containers. 8698 final String list[] = PackageHelper.getSecureContainerList(); 8699 if (list == null || list.length == 0) { 8700 Log.i(TAG, "No secure containers on sdcard"); 8701 } else { 8702 // Process list of secure containers and categorize them 8703 // as active or stale based on their package internal state. 8704 int uidList[] = new int[list.length]; 8705 int num = 0; 8706 // reader 8707 synchronized (mPackages) { 8708 for (String cid : list) { 8709 AsecInstallArgs args = new AsecInstallArgs(cid); 8710 if (DEBUG_SD_INSTALL) 8711 Log.i(TAG, "Processing container " + cid); 8712 String pkgName = args.getPackageName(); 8713 if (pkgName == null) { 8714 if (DEBUG_SD_INSTALL) 8715 Log.i(TAG, "Container : " + cid + " stale"); 8716 removeCids.add(cid); 8717 continue; 8718 } 8719 if (DEBUG_SD_INSTALL) 8720 Log.i(TAG, "Looking for pkg : " + pkgName); 8721 PackageSetting ps = mSettings.mPackages.get(pkgName); 8722 // The package status is changed only if the code path 8723 // matches between settings and the container id. 8724 if (ps != null && ps.codePathString != null 8725 && ps.codePathString.equals(args.getCodePath())) { 8726 if (DEBUG_SD_INSTALL) 8727 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 8728 + " at code path: " + ps.codePathString); 8729 // We do have a valid package installed on sdcard 8730 processCids.put(args, ps.codePathString); 8731 int uid = ps.appId; 8732 if (uid != -1) { 8733 uidList[num++] = uid; 8734 } 8735 } else { 8736 // Stale container on sdcard. Just delete 8737 if (DEBUG_SD_INSTALL) 8738 Log.i(TAG, "Container : " + cid + " stale"); 8739 removeCids.add(cid); 8740 } 8741 } 8742 } 8743 8744 if (num > 0) { 8745 // Sort uid list 8746 Arrays.sort(uidList, 0, num); 8747 // Throw away duplicates 8748 uidArr = new int[num]; 8749 uidArr[0] = uidList[0]; 8750 int di = 0; 8751 for (int i = 1; i < num; i++) { 8752 if (uidList[i - 1] != uidList[i]) { 8753 uidArr[di++] = uidList[i]; 8754 } 8755 } 8756 } 8757 } 8758 // Process packages with valid entries. 8759 if (isMounted) { 8760 if (DEBUG_SD_INSTALL) 8761 Log.i(TAG, "Loading packages"); 8762 loadMediaPackages(processCids, uidArr, removeCids); 8763 startCleaningPackages(); 8764 } else { 8765 if (DEBUG_SD_INSTALL) 8766 Log.i(TAG, "Unloading packages"); 8767 unloadMediaPackages(processCids, uidArr, reportStatus); 8768 } 8769 } 8770 8771 private void sendResourcesChangedBroadcast(boolean mediaStatus, ArrayList<String> pkgList, 8772 int uidArr[], IIntentReceiver finishedReceiver) { 8773 int size = pkgList.size(); 8774 if (size > 0) { 8775 // Send broadcasts here 8776 Bundle extras = new Bundle(); 8777 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 8778 .toArray(new String[size])); 8779 if (uidArr != null) { 8780 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 8781 } 8782 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 8783 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 8784 sendPackageBroadcast(action, null, extras, null, finishedReceiver, UserId.USER_ALL); 8785 } 8786 } 8787 8788 /* 8789 * Look at potentially valid container ids from processCids If package 8790 * information doesn't match the one on record or package scanning fails, 8791 * the cid is added to list of removeCids. We currently don't delete stale 8792 * containers. 8793 */ 8794 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 8795 HashSet<String> removeCids) { 8796 ArrayList<String> pkgList = new ArrayList<String>(); 8797 Set<AsecInstallArgs> keys = processCids.keySet(); 8798 boolean doGc = false; 8799 for (AsecInstallArgs args : keys) { 8800 String codePath = processCids.get(args); 8801 if (DEBUG_SD_INSTALL) 8802 Log.i(TAG, "Loading container : " + args.cid); 8803 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8804 try { 8805 // Make sure there are no container errors first. 8806 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 8807 Slog.e(TAG, "Failed to mount cid : " + args.cid 8808 + " when installing from sdcard"); 8809 continue; 8810 } 8811 // Check code path here. 8812 if (codePath == null || !codePath.equals(args.getCodePath())) { 8813 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 8814 + " does not match one in settings " + codePath); 8815 continue; 8816 } 8817 // Parse package 8818 int parseFlags = mDefParseFlags; 8819 if (args.isExternal()) { 8820 parseFlags |= PackageParser.PARSE_ON_SDCARD; 8821 } 8822 8823 doGc = true; 8824 synchronized (mInstallLock) { 8825 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 8826 0, 0); 8827 // Scan the package 8828 if (pkg != null) { 8829 /* 8830 * TODO why is the lock being held? doPostInstall is 8831 * called in other places without the lock. This needs 8832 * to be straightened out. 8833 */ 8834 // writer 8835 synchronized (mPackages) { 8836 retCode = PackageManager.INSTALL_SUCCEEDED; 8837 pkgList.add(pkg.packageName); 8838 // Post process args 8839 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 8840 pkg.applicationInfo.uid); 8841 } 8842 } else { 8843 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 8844 } 8845 } 8846 8847 } finally { 8848 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 8849 // Don't destroy container here. Wait till gc clears things 8850 // up. 8851 removeCids.add(args.cid); 8852 } 8853 } 8854 } 8855 // writer 8856 synchronized (mPackages) { 8857 // If the platform SDK has changed since the last time we booted, 8858 // we need to re-grant app permission to catch any new ones that 8859 // appear. This is really a hack, and means that apps can in some 8860 // cases get permissions that the user didn't initially explicitly 8861 // allow... it would be nice to have some better way to handle 8862 // this situation. 8863 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 8864 if (regrantPermissions) 8865 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 8866 + mSdkVersion + "; regranting permissions for external storage"); 8867 mSettings.mExternalSdkPlatform = mSdkVersion; 8868 8869 // Make sure group IDs have been assigned, and any permission 8870 // changes in other apps are accounted for 8871 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 8872 | (regrantPermissions 8873 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 8874 : 0)); 8875 // can downgrade to reader 8876 // Persist settings 8877 mSettings.writeLPr(); 8878 } 8879 // Send a broadcast to let everyone know we are done processing 8880 if (pkgList.size() > 0) { 8881 sendResourcesChangedBroadcast(true, pkgList, uidArr, null); 8882 } 8883 // Force gc to avoid any stale parser references that we might have. 8884 if (doGc) { 8885 Runtime.getRuntime().gc(); 8886 } 8887 // List stale containers and destroy stale temporary containers. 8888 if (removeCids != null) { 8889 for (String cid : removeCids) { 8890 if (cid.startsWith(mTempContainerPrefix)) { 8891 Log.i(TAG, "Destroying stale temporary container " + cid); 8892 PackageHelper.destroySdDir(cid); 8893 } else { 8894 Log.w(TAG, "Container " + cid + " is stale"); 8895 } 8896 } 8897 } 8898 } 8899 8900 /* 8901 * Utility method to unload a list of specified containers 8902 */ 8903 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 8904 // Just unmount all valid containers. 8905 for (AsecInstallArgs arg : cidArgs) { 8906 synchronized (mInstallLock) { 8907 arg.doPostDeleteLI(false); 8908 } 8909 } 8910 } 8911 8912 /* 8913 * Unload packages mounted on external media. This involves deleting package 8914 * data from internal structures, sending broadcasts about diabled packages, 8915 * gc'ing to free up references, unmounting all secure containers 8916 * corresponding to packages on external media, and posting a 8917 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 8918 * that we always have to post this message if status has been requested no 8919 * matter what. 8920 */ 8921 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 8922 final boolean reportStatus) { 8923 if (DEBUG_SD_INSTALL) 8924 Log.i(TAG, "unloading media packages"); 8925 ArrayList<String> pkgList = new ArrayList<String>(); 8926 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 8927 final Set<AsecInstallArgs> keys = processCids.keySet(); 8928 for (AsecInstallArgs args : keys) { 8929 String pkgName = args.getPackageName(); 8930 if (DEBUG_SD_INSTALL) 8931 Log.i(TAG, "Trying to unload pkg : " + pkgName); 8932 // Delete package internally 8933 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 8934 synchronized (mInstallLock) { 8935 boolean res = deletePackageLI(pkgName, false, PackageManager.DONT_DELETE_DATA, 8936 outInfo, false); 8937 if (res) { 8938 pkgList.add(pkgName); 8939 } else { 8940 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 8941 failedList.add(args); 8942 } 8943 } 8944 } 8945 8946 // reader 8947 synchronized (mPackages) { 8948 // We didn't update the settings after removing each package; 8949 // write them now for all packages. 8950 mSettings.writeLPr(); 8951 } 8952 8953 // We have to absolutely send UPDATED_MEDIA_STATUS only 8954 // after confirming that all the receivers processed the ordered 8955 // broadcast when packages get disabled, force a gc to clean things up. 8956 // and unload all the containers. 8957 if (pkgList.size() > 0) { 8958 sendResourcesChangedBroadcast(false, pkgList, uidArr, new IIntentReceiver.Stub() { 8959 public void performReceive(Intent intent, int resultCode, String data, 8960 Bundle extras, boolean ordered, boolean sticky) throws RemoteException { 8961 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 8962 reportStatus ? 1 : 0, 1, keys); 8963 mHandler.sendMessage(msg); 8964 } 8965 }); 8966 } else { 8967 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 8968 keys); 8969 mHandler.sendMessage(msg); 8970 } 8971 } 8972 8973 public void movePackage(final String packageName, final IPackageMoveObserver observer, 8974 final int flags) { 8975 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 8976 int returnCode = PackageManager.MOVE_SUCCEEDED; 8977 int currFlags = 0; 8978 int newFlags = 0; 8979 // reader 8980 synchronized (mPackages) { 8981 PackageParser.Package pkg = mPackages.get(packageName); 8982 if (pkg == null) { 8983 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 8984 } else { 8985 // Disable moving fwd locked apps and system packages 8986 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 8987 Slog.w(TAG, "Cannot move system application"); 8988 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 8989 } else if (pkg.mOperationPending) { 8990 Slog.w(TAG, "Attempt to move package which has pending operations"); 8991 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 8992 } else { 8993 // Find install location first 8994 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 8995 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 8996 Slog.w(TAG, "Ambigous flags specified for move location."); 8997 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 8998 } else { 8999 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 9000 : PackageManager.INSTALL_INTERNAL; 9001 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 9002 : PackageManager.INSTALL_INTERNAL; 9003 9004 if (newFlags == currFlags) { 9005 Slog.w(TAG, "No move required. Trying to move to same location"); 9006 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 9007 } else { 9008 if (isForwardLocked(pkg)) { 9009 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9010 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9011 } 9012 } 9013 } 9014 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 9015 pkg.mOperationPending = true; 9016 } 9017 } 9018 } 9019 9020 /* 9021 * TODO this next block probably shouldn't be inside the lock. We 9022 * can't guarantee these won't change after this is fired off 9023 * anyway. 9024 */ 9025 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 9026 processPendingMove(new MoveParams(null, observer, 0, packageName, null, -1), 9027 returnCode); 9028 } else { 9029 Message msg = mHandler.obtainMessage(INIT_COPY); 9030 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 9031 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 9032 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 9033 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid); 9034 msg.obj = mp; 9035 mHandler.sendMessage(msg); 9036 } 9037 } 9038 } 9039 9040 private void processPendingMove(final MoveParams mp, final int currentStatus) { 9041 // Queue up an async operation since the package deletion may take a 9042 // little while. 9043 mHandler.post(new Runnable() { 9044 public void run() { 9045 // TODO fix this; this does nothing. 9046 mHandler.removeCallbacks(this); 9047 int returnCode = currentStatus; 9048 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 9049 int uidArr[] = null; 9050 ArrayList<String> pkgList = null; 9051 synchronized (mPackages) { 9052 PackageParser.Package pkg = mPackages.get(mp.packageName); 9053 if (pkg == null) { 9054 Slog.w(TAG, " Package " + mp.packageName 9055 + " doesn't exist. Aborting move"); 9056 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 9057 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 9058 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 9059 + mp.srcArgs.getCodePath() + " to " 9060 + pkg.applicationInfo.sourceDir 9061 + " Aborting move and returning error"); 9062 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 9063 } else { 9064 uidArr = new int[] { 9065 pkg.applicationInfo.uid 9066 }; 9067 pkgList = new ArrayList<String>(); 9068 pkgList.add(mp.packageName); 9069 } 9070 } 9071 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 9072 // Send resources unavailable broadcast 9073 sendResourcesChangedBroadcast(false, pkgList, uidArr, null); 9074 // Update package code and resource paths 9075 synchronized (mInstallLock) { 9076 synchronized (mPackages) { 9077 PackageParser.Package pkg = mPackages.get(mp.packageName); 9078 // Recheck for package again. 9079 if (pkg == null) { 9080 Slog.w(TAG, " Package " + mp.packageName 9081 + " doesn't exist. Aborting move"); 9082 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 9083 } else if (!mp.srcArgs.getCodePath().equals( 9084 pkg.applicationInfo.sourceDir)) { 9085 Slog.w(TAG, "Package " + mp.packageName 9086 + " code path changed from " + mp.srcArgs.getCodePath() 9087 + " to " + pkg.applicationInfo.sourceDir 9088 + " Aborting move and returning error"); 9089 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 9090 } else { 9091 final String oldCodePath = pkg.mPath; 9092 final String newCodePath = mp.targetArgs.getCodePath(); 9093 final String newResPath = mp.targetArgs.getResourcePath(); 9094 final String newNativePath = mp.targetArgs 9095 .getNativeLibraryPath(); 9096 9097 try { 9098 final File newNativeDir = new File(newNativePath); 9099 9100 final String libParentDir = newNativeDir.getParentFile() 9101 .getCanonicalPath(); 9102 if (newNativeDir.getParentFile().getCanonicalPath() 9103 .equals(pkg.applicationInfo.dataDir)) { 9104 if (mInstaller 9105 .unlinkNativeLibraryDirectory(pkg.applicationInfo.dataDir) < 0) { 9106 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9107 } else { 9108 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 9109 new File(newCodePath), newNativeDir); 9110 } 9111 } else { 9112 if (mInstaller.linkNativeLibraryDirectory( 9113 pkg.applicationInfo.dataDir, newNativePath) < 0) { 9114 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9115 } 9116 } 9117 } catch (IOException e) { 9118 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 9119 } 9120 9121 9122 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 9123 pkg.mPath = newCodePath; 9124 // Move dex files around 9125 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 9126 // Moving of dex files failed. Set 9127 // error code and abort move. 9128 pkg.mPath = pkg.mScanPath; 9129 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9130 } 9131 } 9132 9133 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 9134 pkg.mScanPath = newCodePath; 9135 pkg.applicationInfo.sourceDir = newCodePath; 9136 pkg.applicationInfo.publicSourceDir = newResPath; 9137 pkg.applicationInfo.nativeLibraryDir = newNativePath; 9138 PackageSetting ps = (PackageSetting) pkg.mExtras; 9139 ps.codePath = new File(pkg.applicationInfo.sourceDir); 9140 ps.codePathString = ps.codePath.getPath(); 9141 ps.resourcePath = new File( 9142 pkg.applicationInfo.publicSourceDir); 9143 ps.resourcePathString = ps.resourcePath.getPath(); 9144 ps.nativeLibraryPathString = newNativePath; 9145 // Set the application info flag 9146 // correctly. 9147 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 9148 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 9149 } else { 9150 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 9151 } 9152 ps.setFlags(pkg.applicationInfo.flags); 9153 mAppDirs.remove(oldCodePath); 9154 mAppDirs.put(newCodePath, pkg); 9155 // Persist settings 9156 mSettings.writeLPr(); 9157 } 9158 } 9159 } 9160 } 9161 // Send resources available broadcast 9162 sendResourcesChangedBroadcast(true, pkgList, uidArr, null); 9163 } 9164 } 9165 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 9166 // Clean up failed installation 9167 if (mp.targetArgs != null) { 9168 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 9169 -1); 9170 } 9171 } else { 9172 // Force a gc to clear things up. 9173 Runtime.getRuntime().gc(); 9174 // Delete older code 9175 synchronized (mInstallLock) { 9176 mp.srcArgs.doPostDeleteLI(true); 9177 } 9178 } 9179 9180 // Allow more operations on this file if we didn't fail because 9181 // an operation was already pending for this package. 9182 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 9183 synchronized (mPackages) { 9184 PackageParser.Package pkg = mPackages.get(mp.packageName); 9185 if (pkg != null) { 9186 pkg.mOperationPending = false; 9187 } 9188 } 9189 } 9190 9191 IPackageMoveObserver observer = mp.observer; 9192 if (observer != null) { 9193 try { 9194 observer.packageMoved(mp.packageName, returnCode); 9195 } catch (RemoteException e) { 9196 Log.i(TAG, "Observer no longer exists."); 9197 } 9198 } 9199 } 9200 }); 9201 } 9202 9203 public boolean setInstallLocation(int loc) { 9204 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 9205 null); 9206 if (getInstallLocation() == loc) { 9207 return true; 9208 } 9209 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 9210 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 9211 android.provider.Settings.System.putInt(mContext.getContentResolver(), 9212 android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, loc); 9213 return true; 9214 } 9215 return false; 9216 } 9217 9218 public int getInstallLocation() { 9219 return android.provider.Settings.System.getInt(mContext.getContentResolver(), 9220 android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, 9221 PackageHelper.APP_INSTALL_AUTO); 9222 } 9223 9224 public UserInfo createUser(String name, int flags) { 9225 // TODO(kroot): Add a real permission for creating users 9226 enforceSystemOrRoot("Only the system can create users"); 9227 9228 UserInfo userInfo = sUserManager.createUser(name, flags); 9229 if (userInfo != null) { 9230 Intent addedIntent = new Intent(Intent.ACTION_USER_ADDED); 9231 addedIntent.putExtra(Intent.EXTRA_USERID, userInfo.id); 9232 mContext.sendBroadcast(addedIntent, android.Manifest.permission.MANAGE_ACCOUNTS); 9233 } 9234 return userInfo; 9235 } 9236 9237 public boolean removeUser(int userId) { 9238 // TODO(kroot): Add a real permission for removing users 9239 enforceSystemOrRoot("Only the system can remove users"); 9240 9241 if (userId == 0 || !sUserManager.exists(userId)) { 9242 return false; 9243 } 9244 9245 cleanUpUser(userId); 9246 9247 if (sUserManager.removeUser(userId)) { 9248 // Let other services shutdown any activity 9249 Intent addedIntent = new Intent(Intent.ACTION_USER_REMOVED); 9250 addedIntent.putExtra(Intent.EXTRA_USERID, userId); 9251 mContext.sendBroadcast(addedIntent, android.Manifest.permission.MANAGE_ACCOUNTS); 9252 } 9253 sUserManager.removePackageFolders(userId); 9254 return true; 9255 } 9256 9257 private void cleanUpUser(int userId) { 9258 // Disable all the packages for the user first 9259 synchronized (mPackages) { 9260 Set<Entry<String, PackageSetting>> entries = mSettings.mPackages.entrySet(); 9261 for (Entry<String, PackageSetting> entry : entries) { 9262 entry.getValue().removeUser(userId); 9263 } 9264 if (mDirtyUsers.remove(userId)); 9265 mSettings.removeUserLPr(userId); 9266 } 9267 } 9268 9269 @Override 9270 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 9271 mContext.enforceCallingOrSelfPermission( 9272 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9273 "Only package verification agents can read the verifier device identity"); 9274 9275 synchronized (mPackages) { 9276 return mSettings.getVerifierDeviceIdentityLPw(); 9277 } 9278 } 9279 9280 @Override 9281 public List<UserInfo> getUsers() { 9282 enforceSystemOrRoot("Only the system can query users"); 9283 return sUserManager.getUsers(); 9284 } 9285 9286 @Override 9287 public UserInfo getUser(int userId) { 9288 enforceSystemOrRoot("Only the system can remove users"); 9289 return sUserManager.getUser(userId); 9290 } 9291 9292 @Override 9293 public void updateUserName(int userId, String name) { 9294 enforceSystemOrRoot("Only the system can rename users"); 9295 sUserManager.updateUserName(userId, name); 9296 } 9297 9298 @Override 9299 public void setPermissionEnforced(String permission, boolean enforced) { 9300 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 9301 if (READ_EXTERNAL_STORAGE.equals(permission)) { 9302 synchronized (mPackages) { 9303 if (mSettings.mReadExternalStorageEnforced == null 9304 || mSettings.mReadExternalStorageEnforced != enforced) { 9305 mSettings.mReadExternalStorageEnforced = enforced; 9306 mSettings.writeLPr(); 9307 9308 // kill any non-foreground processes so we restart them and 9309 // grant/revoke the GID. 9310 final IActivityManager am = ActivityManagerNative.getDefault(); 9311 if (am != null) { 9312 final long token = Binder.clearCallingIdentity(); 9313 try { 9314 am.killProcessesBelowForeground("setPermissionEnforcement"); 9315 } catch (RemoteException e) { 9316 } finally { 9317 Binder.restoreCallingIdentity(token); 9318 } 9319 } 9320 } 9321 } 9322 } else { 9323 throw new IllegalArgumentException("No selective enforcement for " + permission); 9324 } 9325 } 9326 9327 @Override 9328 public boolean isPermissionEnforced(String permission) { 9329 synchronized (mPackages) { 9330 return isPermissionEnforcedLocked(permission); 9331 } 9332 } 9333 9334 private boolean isPermissionEnforcedLocked(String permission) { 9335 if (READ_EXTERNAL_STORAGE.equals(permission)) { 9336 if (mSettings.mReadExternalStorageEnforced != null) { 9337 return mSettings.mReadExternalStorageEnforced; 9338 } else { 9339 // if user hasn't defined, fall back to secure default 9340 return Secure.getInt(mContext.getContentResolver(), 9341 Secure.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT, 0) != 0; 9342 } 9343 } else { 9344 return true; 9345 } 9346 } 9347} 9348