PackageManagerService.java revision 68ed7e448d36c2f82062add8a95dfdf995873557
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.FastXmlSerializer; 34import com.android.internal.util.XmlUtils; 35import com.android.server.DeviceStorageMonitorService; 36import com.android.server.EventLogTags; 37import com.android.server.IntentResolver; 38 39import org.xmlpull.v1.XmlPullParser; 40import org.xmlpull.v1.XmlPullParserException; 41import org.xmlpull.v1.XmlSerializer; 42 43import android.app.ActivityManagerNative; 44import android.app.IActivityManager; 45import android.app.admin.IDevicePolicyManager; 46import android.app.backup.IBackupManager; 47import android.content.BroadcastReceiver; 48import android.content.ComponentName; 49import android.content.Context; 50import android.content.IIntentReceiver; 51import android.content.Intent; 52import android.content.IntentFilter; 53import android.content.IntentSender; 54import android.content.ServiceConnection; 55import android.content.IntentSender.SendIntentException; 56import android.content.pm.ActivityInfo; 57import android.content.pm.ApplicationInfo; 58import android.content.pm.ContainerEncryptionParams; 59import android.content.pm.FeatureInfo; 60import android.content.pm.IPackageDataObserver; 61import android.content.pm.IPackageDeleteObserver; 62import android.content.pm.IPackageInstallObserver; 63import android.content.pm.IPackageManager; 64import android.content.pm.IPackageMoveObserver; 65import android.content.pm.IPackageStatsObserver; 66import android.content.pm.InstrumentationInfo; 67import android.content.pm.PackageCleanItem; 68import android.content.pm.PackageInfo; 69import android.content.pm.PackageInfoLite; 70import android.content.pm.PackageManager; 71import android.content.pm.PackageParser; 72import android.content.pm.PackageUserState; 73import android.content.pm.PackageParser.ActivityIntentInfo; 74import android.content.pm.PackageStats; 75import android.content.pm.ParceledListSlice; 76import android.content.pm.PermissionGroupInfo; 77import android.content.pm.PermissionInfo; 78import android.content.pm.ProviderInfo; 79import android.content.pm.ResolveInfo; 80import android.content.pm.ServiceInfo; 81import android.content.pm.Signature; 82import android.content.pm.ManifestDigest; 83import android.content.pm.VerificationParams; 84import android.content.pm.VerifierDeviceIdentity; 85import android.content.pm.VerifierInfo; 86import android.net.Uri; 87import android.os.Binder; 88import android.os.Build; 89import android.os.Bundle; 90import android.os.Environment; 91import android.os.FileObserver; 92import android.os.FileUtils; 93import android.os.Handler; 94import android.os.HandlerThread; 95import android.os.IBinder; 96import android.os.Looper; 97import android.os.Message; 98import android.os.Parcel; 99import android.os.ParcelFileDescriptor; 100import android.os.Process; 101import android.os.RemoteException; 102import android.os.SELinux; 103import android.os.ServiceManager; 104import android.os.SystemClock; 105import android.os.SystemProperties; 106import android.os.UserHandle; 107import android.provider.Settings.Secure; 108import android.security.SystemKeyStore; 109import android.util.DisplayMetrics; 110import android.util.EventLog; 111import android.util.Log; 112import android.util.LogPrinter; 113import android.util.Slog; 114import android.util.SparseArray; 115import android.util.Xml; 116import android.view.Display; 117import android.view.WindowManager; 118 119import java.io.BufferedOutputStream; 120import java.io.File; 121import java.io.FileDescriptor; 122import java.io.FileInputStream; 123import java.io.FileNotFoundException; 124import java.io.FileOutputStream; 125import java.io.FileReader; 126import java.io.FilenameFilter; 127import java.io.IOException; 128import java.io.PrintWriter; 129import java.security.NoSuchAlgorithmException; 130import java.security.PublicKey; 131import java.security.cert.CertificateException; 132import java.text.SimpleDateFormat; 133import java.util.ArrayList; 134import java.util.Arrays; 135import java.util.Collection; 136import java.util.Collections; 137import java.util.Comparator; 138import java.util.Date; 139import java.util.HashMap; 140import java.util.HashSet; 141import java.util.Iterator; 142import java.util.List; 143import java.util.Map; 144import java.util.Map.Entry; 145import java.util.Set; 146 147import libcore.io.ErrnoException; 148import libcore.io.IoUtils; 149import libcore.io.Libcore; 150import libcore.io.StructStat; 151 152/** 153 * Keep track of all those .apks everywhere. 154 * 155 * This is very central to the platform's security; please run the unit 156 * tests whenever making modifications here: 157 * 158mmm frameworks/base/tests/AndroidTests 159adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 160adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 161 * 162 * {@hide} 163 */ 164public class PackageManagerService extends IPackageManager.Stub { 165 static final String TAG = "PackageManager"; 166 static final boolean DEBUG_SETTINGS = false; 167 private static final boolean DEBUG_PREFERRED = false; 168 static final boolean DEBUG_UPGRADE = false; 169 private static final boolean DEBUG_INSTALL = false; 170 private static final boolean DEBUG_REMOVE = false; 171 private static final boolean DEBUG_BROADCASTS = false; 172 private static final boolean DEBUG_SHOW_INFO = false; 173 private static final boolean DEBUG_PACKAGE_INFO = false; 174 private static final boolean DEBUG_INTENT_MATCHING = false; 175 private static final boolean DEBUG_PACKAGE_SCANNING = false; 176 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 177 private static final boolean DEBUG_VERIFY = false; 178 179 private static final int RADIO_UID = Process.PHONE_UID; 180 private static final int LOG_UID = Process.LOG_UID; 181 private static final int NFC_UID = Process.NFC_UID; 182 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 183 184 private static final boolean GET_CERTIFICATES = true; 185 186 private static final int REMOVE_EVENTS = 187 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 188 private static final int ADD_EVENTS = 189 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 190 191 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 192 // Suffix used during package installation when copying/moving 193 // package apks to install directory. 194 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 195 196 static final int SCAN_MONITOR = 1<<0; 197 static final int SCAN_NO_DEX = 1<<1; 198 static final int SCAN_FORCE_DEX = 1<<2; 199 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 200 static final int SCAN_NEW_INSTALL = 1<<4; 201 static final int SCAN_NO_PATHS = 1<<5; 202 static final int SCAN_UPDATE_TIME = 1<<6; 203 static final int SCAN_DEFER_DEX = 1<<7; 204 static final int SCAN_BOOTING = 1<<8; 205 206 static final int REMOVE_CHATTY = 1<<16; 207 208 /** 209 * Whether verification is enabled by default. 210 */ 211 private static final boolean DEFAULT_VERIFY_ENABLE = true; 212 213 /** 214 * The default maximum time to wait for the verification agent to return in 215 * milliseconds. 216 */ 217 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 218 219 /** 220 * The default response for package verification timeout. 221 * 222 * This can be either PackageManager.VERIFICATION_ALLOW or 223 * PackageManager.VERIFICATION_REJECT. 224 */ 225 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 226 227 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 228 229 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 230 DEFAULT_CONTAINER_PACKAGE, 231 "com.android.defcontainer.DefaultContainerService"); 232 233 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 234 235 private static final String LIB_DIR_NAME = "lib"; 236 237 static final String mTempContainerPrefix = "smdl2tmp"; 238 239 final HandlerThread mHandlerThread = new HandlerThread("PackageManager", 240 Process.THREAD_PRIORITY_BACKGROUND); 241 final PackageHandler mHandler; 242 243 final int mSdkVersion = Build.VERSION.SDK_INT; 244 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 245 ? null : Build.VERSION.CODENAME; 246 247 final Context mContext; 248 final boolean mFactoryTest; 249 final boolean mOnlyCore; 250 final boolean mNoDexOpt; 251 final DisplayMetrics mMetrics; 252 final int mDefParseFlags; 253 final String[] mSeparateProcesses; 254 255 // This is where all application persistent data goes. 256 final File mAppDataDir; 257 258 // This is where all application persistent data goes for secondary users. 259 final File mUserAppDataDir; 260 261 /** The location for ASEC container files on internal storage. */ 262 final String mAsecInternalPath; 263 264 // This is the object monitoring the framework dir. 265 final FileObserver mFrameworkInstallObserver; 266 267 // This is the object monitoring the system app dir. 268 final FileObserver mSystemInstallObserver; 269 270 // This is the object monitoring the system app dir. 271 final FileObserver mVendorInstallObserver; 272 273 // This is the object monitoring mAppInstallDir. 274 final FileObserver mAppInstallObserver; 275 276 // This is the object monitoring mDrmAppPrivateInstallDir. 277 final FileObserver mDrmAppInstallObserver; 278 279 // Used for priviledge escalation. MUST NOT BE CALLED WITH mPackages 280 // LOCK HELD. Can be called with mInstallLock held. 281 final Installer mInstaller; 282 283 final File mFrameworkDir; 284 final File mSystemAppDir; 285 final File mVendorAppDir; 286 final File mAppInstallDir; 287 final File mDalvikCacheDir; 288 289 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 290 // apps. 291 final File mDrmAppPrivateInstallDir; 292 293 // ---------------------------------------------------------------- 294 295 // Lock for state used when installing and doing other long running 296 // operations. Methods that must be called with this lock held have 297 // the prefix "LI". 298 final Object mInstallLock = new Object(); 299 300 // These are the directories in the 3rd party applications installed dir 301 // that we have currently loaded packages from. Keys are the application's 302 // installed zip file (absolute codePath), and values are Package. 303 final HashMap<String, PackageParser.Package> mAppDirs = 304 new HashMap<String, PackageParser.Package>(); 305 306 // Information for the parser to write more useful error messages. 307 File mScanningPath; 308 int mLastScanError; 309 310 // ---------------------------------------------------------------- 311 312 // Keys are String (package name), values are Package. This also serves 313 // as the lock for the global state. Methods that must be called with 314 // this lock held have the prefix "LP". 315 final HashMap<String, PackageParser.Package> mPackages = 316 new HashMap<String, PackageParser.Package>(); 317 318 final Settings mSettings; 319 boolean mRestoredSettings; 320 321 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 322 int[] mGlobalGids; 323 324 // These are the built-in uid -> permission mappings that were read from the 325 // etc/permissions.xml file. 326 final SparseArray<HashSet<String>> mSystemPermissions = 327 new SparseArray<HashSet<String>>(); 328 329 // These are the built-in shared libraries that were read from the 330 // etc/permissions.xml file. 331 final HashMap<String, String> mSharedLibraries = new HashMap<String, String>(); 332 333 // Temporary for building the final shared libraries for an .apk. 334 String[] mTmpSharedLibraries = null; 335 336 // These are the features this devices supports that were read from the 337 // etc/permissions.xml file. 338 final HashMap<String, FeatureInfo> mAvailableFeatures = 339 new HashMap<String, FeatureInfo>(); 340 341 // All available activities, for your resolving pleasure. 342 final ActivityIntentResolver mActivities = 343 new ActivityIntentResolver(); 344 345 // All available receivers, for your resolving pleasure. 346 final ActivityIntentResolver mReceivers = 347 new ActivityIntentResolver(); 348 349 // All available services, for your resolving pleasure. 350 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 351 352 // Keys are String (provider class name), values are Provider. 353 final HashMap<ComponentName, PackageParser.Provider> mProvidersByComponent = 354 new HashMap<ComponentName, PackageParser.Provider>(); 355 356 // Mapping from provider base names (first directory in content URI codePath) 357 // to the provider information. 358 final HashMap<String, PackageParser.Provider> mProviders = 359 new HashMap<String, PackageParser.Provider>(); 360 361 // Mapping from instrumentation class names to info about them. 362 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 363 new HashMap<ComponentName, PackageParser.Instrumentation>(); 364 365 // Mapping from permission names to info about them. 366 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 367 new HashMap<String, PackageParser.PermissionGroup>(); 368 369 // Packages whose data we have transfered into another package, thus 370 // should no longer exist. 371 final HashSet<String> mTransferedPackages = new HashSet<String>(); 372 373 // Broadcast actions that are only available to the system. 374 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 375 376 /** List of packages waiting for verification. */ 377 final SparseArray<PackageVerificationState> mPendingVerification 378 = new SparseArray<PackageVerificationState>(); 379 380 final ArrayList<PackageParser.Package> mDeferredDexOpt = 381 new ArrayList<PackageParser.Package>(); 382 383 /** Token for keys in mPendingVerification. */ 384 private int mPendingVerificationToken = 0; 385 386 boolean mSystemReady; 387 boolean mSafeMode; 388 boolean mHasSystemUidErrors; 389 390 ApplicationInfo mAndroidApplication; 391 final ActivityInfo mResolveActivity = new ActivityInfo(); 392 final ResolveInfo mResolveInfo = new ResolveInfo(); 393 ComponentName mResolveComponentName; 394 PackageParser.Package mPlatformPackage; 395 396 // Set of pending broadcasts for aggregating enable/disable of components. 397 final HashMap<String, ArrayList<String>> mPendingBroadcasts 398 = new HashMap<String, ArrayList<String>>(); 399 // Service Connection to remote media container service to copy 400 // package uri's from external media onto secure containers 401 // or internal storage. 402 private IMediaContainerService mContainerService = null; 403 private int mContainerServiceUserId; 404 405 static final int SEND_PENDING_BROADCAST = 1; 406 static final int MCS_BOUND = 3; 407 static final int END_COPY = 4; 408 static final int INIT_COPY = 5; 409 static final int MCS_UNBIND = 6; 410 static final int START_CLEANING_PACKAGE = 7; 411 static final int FIND_INSTALL_LOC = 8; 412 static final int POST_INSTALL = 9; 413 static final int MCS_RECONNECT = 10; 414 static final int MCS_GIVE_UP = 11; 415 static final int UPDATED_MEDIA_STATUS = 12; 416 static final int WRITE_SETTINGS = 13; 417 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 418 static final int PACKAGE_VERIFIED = 15; 419 static final int CHECK_PENDING_VERIFICATION = 16; 420 421 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 422 423 // Delay time in millisecs 424 static final int BROADCAST_DELAY = 10 * 1000; 425 426 static UserManagerService sUserManager; 427 428 // Stores a list of users whose package restrictions file needs to be updated 429 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 430 431 final private DefaultContainerConnection mDefContainerConn = 432 new DefaultContainerConnection(); 433 class DefaultContainerConnection implements ServiceConnection { 434 public void onServiceConnected(ComponentName name, IBinder service) { 435 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 436 IMediaContainerService imcs = 437 IMediaContainerService.Stub.asInterface(service); 438 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 439 } 440 441 public void onServiceDisconnected(ComponentName name) { 442 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 443 } 444 }; 445 446 // Recordkeeping of restore-after-install operations that are currently in flight 447 // between the Package Manager and the Backup Manager 448 class PostInstallData { 449 public InstallArgs args; 450 public PackageInstalledInfo res; 451 452 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 453 args = _a; 454 res = _r; 455 } 456 }; 457 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 458 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 459 460 private final String mRequiredVerifierPackage; 461 462 class PackageHandler extends Handler { 463 private boolean mBound = false; 464 final ArrayList<HandlerParams> mPendingInstalls = 465 new ArrayList<HandlerParams>(); 466 467 private boolean connectToService() { 468 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 469 " DefaultContainerService"); 470 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 471 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 472 mContainerServiceUserId = 0; 473 if (mPendingInstalls.size() > 0) { 474 mContainerServiceUserId = mPendingInstalls.get(0).getUser().getIdentifier(); 475 if (mContainerServiceUserId == UserHandle.USER_ALL) { 476 mContainerServiceUserId = 0; 477 } 478 } 479 if (mContext.bindService(service, mDefContainerConn, 480 Context.BIND_AUTO_CREATE, mContainerServiceUserId)) { 481 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 482 mBound = true; 483 return true; 484 } 485 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 486 return false; 487 } 488 489 private void disconnectService() { 490 mContainerService = null; 491 mBound = false; 492 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 493 mContext.unbindService(mDefContainerConn); 494 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 495 } 496 497 PackageHandler(Looper looper) { 498 super(looper); 499 } 500 501 public void handleMessage(Message msg) { 502 try { 503 doHandleMessage(msg); 504 } finally { 505 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 506 } 507 } 508 509 void doHandleMessage(Message msg) { 510 switch (msg.what) { 511 case INIT_COPY: { 512 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy"); 513 HandlerParams params = (HandlerParams) msg.obj; 514 int idx = mPendingInstalls.size(); 515 if (DEBUG_INSTALL) Slog.i(TAG, "idx=" + idx); 516 // If a bind was already initiated we dont really 517 // need to do anything. The pending install 518 // will be processed later on. 519 if (!mBound) { 520 // If this is the only one pending we might 521 // have to bind to the service again. 522 if (!connectToService()) { 523 Slog.e(TAG, "Failed to bind to media container service"); 524 params.serviceError(); 525 return; 526 } else { 527 // Once we bind to the service, the first 528 // pending request will be processed. 529 mPendingInstalls.add(idx, params); 530 } 531 } else { 532 mPendingInstalls.add(idx, params); 533 // Already bound to the service. Just make 534 // sure we trigger off processing the first request. 535 if (idx == 0) { 536 mHandler.sendEmptyMessage(MCS_BOUND); 537 } 538 } 539 break; 540 } 541 case MCS_BOUND: { 542 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 543 if (msg.obj != null) { 544 mContainerService = (IMediaContainerService) msg.obj; 545 } 546 if (mContainerService == null) { 547 // Something seriously wrong. Bail out 548 Slog.e(TAG, "Cannot bind to media container service"); 549 for (HandlerParams params : mPendingInstalls) { 550 // Indicate service bind error 551 params.serviceError(); 552 } 553 mPendingInstalls.clear(); 554 } else if (mPendingInstalls.size() > 0) { 555 HandlerParams params = mPendingInstalls.get(0); 556 if (params != null) { 557 // Check if we're connected to the correct service, if it's an install 558 // request. 559 final int installFor = params.getUser().getIdentifier(); 560 if (installFor != mContainerServiceUserId 561 && (installFor == UserHandle.USER_ALL 562 && mContainerServiceUserId != 0)) { 563 mHandler.sendEmptyMessage(MCS_RECONNECT); 564 return; 565 } 566 if (params.startCopy()) { 567 // We are done... look for more work or to 568 // go idle. 569 if (DEBUG_SD_INSTALL) Log.i(TAG, 570 "Checking for more work or unbind..."); 571 // Delete pending install 572 if (mPendingInstalls.size() > 0) { 573 mPendingInstalls.remove(0); 574 } 575 if (mPendingInstalls.size() == 0) { 576 if (mBound) { 577 if (DEBUG_SD_INSTALL) Log.i(TAG, 578 "Posting delayed MCS_UNBIND"); 579 removeMessages(MCS_UNBIND); 580 Message ubmsg = obtainMessage(MCS_UNBIND); 581 // Unbind after a little delay, to avoid 582 // continual thrashing. 583 sendMessageDelayed(ubmsg, 10000); 584 } 585 } else { 586 // There are more pending requests in queue. 587 // Just post MCS_BOUND message to trigger processing 588 // of next pending install. 589 if (DEBUG_SD_INSTALL) Log.i(TAG, 590 "Posting MCS_BOUND for next woek"); 591 mHandler.sendEmptyMessage(MCS_BOUND); 592 } 593 } 594 } 595 } else { 596 // Should never happen ideally. 597 Slog.w(TAG, "Empty queue"); 598 } 599 break; 600 } 601 case MCS_RECONNECT: { 602 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 603 if (mPendingInstalls.size() > 0) { 604 if (mBound) { 605 disconnectService(); 606 } 607 if (!connectToService()) { 608 Slog.e(TAG, "Failed to bind to media container service"); 609 for (HandlerParams params : mPendingInstalls) { 610 // Indicate service bind error 611 params.serviceError(); 612 } 613 mPendingInstalls.clear(); 614 } 615 } 616 break; 617 } 618 case MCS_UNBIND: { 619 // If there is no actual work left, then time to unbind. 620 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 621 622 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 623 if (mBound) { 624 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 625 626 disconnectService(); 627 } 628 } else if (mPendingInstalls.size() > 0) { 629 // There are more pending requests in queue. 630 // Just post MCS_BOUND message to trigger processing 631 // of next pending install. 632 mHandler.sendEmptyMessage(MCS_BOUND); 633 } 634 635 break; 636 } 637 case MCS_GIVE_UP: { 638 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 639 mPendingInstalls.remove(0); 640 break; 641 } 642 case SEND_PENDING_BROADCAST: { 643 String packages[]; 644 ArrayList<String> components[]; 645 int size = 0; 646 int uids[]; 647 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 648 synchronized (mPackages) { 649 if (mPendingBroadcasts == null) { 650 return; 651 } 652 size = mPendingBroadcasts.size(); 653 if (size <= 0) { 654 // Nothing to be done. Just return 655 return; 656 } 657 packages = new String[size]; 658 components = new ArrayList[size]; 659 uids = new int[size]; 660 Iterator<Map.Entry<String, ArrayList<String>>> 661 it = mPendingBroadcasts.entrySet().iterator(); 662 int i = 0; 663 while (it.hasNext() && i < size) { 664 Map.Entry<String, ArrayList<String>> ent = it.next(); 665 packages[i] = ent.getKey(); 666 components[i] = ent.getValue(); 667 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 668 uids[i] = (ps != null) ? ps.appId : -1; 669 i++; 670 } 671 size = i; 672 mPendingBroadcasts.clear(); 673 } 674 // Send broadcasts 675 for (int i = 0; i < size; i++) { 676 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 677 } 678 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 679 break; 680 } 681 case START_CLEANING_PACKAGE: { 682 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 683 PackageCleanItem item = new PackageCleanItem((String)msg.obj, 684 msg.arg2 != 0); 685 synchronized (mPackages) { 686 if (msg.arg1 == UserHandle.USER_ALL) { 687 int[] users = sUserManager.getUserIds(); 688 for (int user : users) { 689 mSettings.addPackageToCleanLPw(user, item); 690 } 691 } else { 692 mSettings.addPackageToCleanLPw(msg.arg1, item); 693 } 694 } 695 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 696 startCleaningPackages(-1); 697 } break; 698 case POST_INSTALL: { 699 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 700 PostInstallData data = mRunningInstalls.get(msg.arg1); 701 mRunningInstalls.delete(msg.arg1); 702 boolean deleteOld = false; 703 704 if (data != null) { 705 InstallArgs args = data.args; 706 PackageInstalledInfo res = data.res; 707 708 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 709 res.removedInfo.sendBroadcast(false, true); 710 Bundle extras = new Bundle(1); 711 extras.putInt(Intent.EXTRA_UID, res.uid); 712 // Determine the set of users who are adding this 713 // package for the first time vs. those who are seeing 714 // an update. 715 int[] firstUsers; 716 int[] updateUsers = new int[0]; 717 if (res.origUsers == null || res.origUsers.length == 0) { 718 firstUsers = res.newUsers; 719 } else { 720 firstUsers = new int[0]; 721 for (int i=0; i<res.newUsers.length; i++) { 722 int user = res.newUsers[i]; 723 boolean isNew = true; 724 for (int j=0; j<res.origUsers.length; j++) { 725 if (res.origUsers[j] == user) { 726 isNew = false; 727 break; 728 } 729 } 730 if (isNew) { 731 int[] newFirst = new int[firstUsers.length+1]; 732 System.arraycopy(firstUsers, 0, newFirst, 0, 733 firstUsers.length); 734 newFirst[firstUsers.length] = user; 735 firstUsers = newFirst; 736 } else { 737 int[] newUpdate = new int[updateUsers.length+1]; 738 System.arraycopy(updateUsers, 0, newUpdate, 0, 739 updateUsers.length); 740 newUpdate[updateUsers.length] = user; 741 updateUsers = newUpdate; 742 } 743 } 744 } 745 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 746 res.pkg.applicationInfo.packageName, 747 extras, null, null, firstUsers); 748 final boolean update = res.removedInfo.removedPackage != null; 749 if (update) { 750 extras.putBoolean(Intent.EXTRA_REPLACING, true); 751 } 752 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 753 res.pkg.applicationInfo.packageName, 754 extras, null, null, updateUsers); 755 if (update) { 756 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 757 res.pkg.applicationInfo.packageName, 758 extras, null, null, updateUsers); 759 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 760 null, null, 761 res.pkg.applicationInfo.packageName, null, updateUsers); 762 } 763 if (res.removedInfo.args != null) { 764 // Remove the replaced package's older resources safely now 765 deleteOld = true; 766 } 767 768 // Log current value of "unknown sources" setting 769 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 770 getUnknownSourcesSettings()); 771 } 772 // Force a gc to clear up things 773 Runtime.getRuntime().gc(); 774 // We delete after a gc for applications on sdcard. 775 if (deleteOld) { 776 synchronized (mInstallLock) { 777 res.removedInfo.args.doPostDeleteLI(true); 778 } 779 } 780 if (args.observer != null) { 781 try { 782 args.observer.packageInstalled(res.name, res.returnCode); 783 } catch (RemoteException e) { 784 Slog.i(TAG, "Observer no longer exists."); 785 } 786 } 787 } else { 788 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 789 } 790 } break; 791 case UPDATED_MEDIA_STATUS: { 792 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 793 boolean reportStatus = msg.arg1 == 1; 794 boolean doGc = msg.arg2 == 1; 795 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 796 if (doGc) { 797 // Force a gc to clear up stale containers. 798 Runtime.getRuntime().gc(); 799 } 800 if (msg.obj != null) { 801 @SuppressWarnings("unchecked") 802 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 803 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 804 // Unload containers 805 unloadAllContainers(args); 806 } 807 if (reportStatus) { 808 try { 809 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 810 PackageHelper.getMountService().finishMediaUpdate(); 811 } catch (RemoteException e) { 812 Log.e(TAG, "MountService not running?"); 813 } 814 } 815 } break; 816 case WRITE_SETTINGS: { 817 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 818 synchronized (mPackages) { 819 removeMessages(WRITE_SETTINGS); 820 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 821 mSettings.writeLPr(); 822 mDirtyUsers.clear(); 823 } 824 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 825 } break; 826 case WRITE_PACKAGE_RESTRICTIONS: { 827 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 828 synchronized (mPackages) { 829 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 830 for (int userId : mDirtyUsers) { 831 mSettings.writePackageRestrictionsLPr(userId); 832 } 833 mDirtyUsers.clear(); 834 } 835 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 836 } break; 837 case CHECK_PENDING_VERIFICATION: { 838 final int verificationId = msg.arg1; 839 final PackageVerificationState state = mPendingVerification.get(verificationId); 840 841 if ((state != null) && !state.timeoutExtended()) { 842 final InstallArgs args = state.getInstallArgs(); 843 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 844 mPendingVerification.remove(verificationId); 845 846 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 847 848 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 849 Slog.i(TAG, "Continuing with installation of " 850 + args.packageURI.toString()); 851 state.setVerifierResponse(Binder.getCallingUid(), 852 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 853 broadcastPackageVerified(verificationId, args.packageURI, 854 PackageManager.VERIFICATION_ALLOW); 855 try { 856 ret = args.copyApk(mContainerService, true); 857 } catch (RemoteException e) { 858 Slog.e(TAG, "Could not contact the ContainerService"); 859 } 860 } else { 861 broadcastPackageVerified(verificationId, args.packageURI, 862 PackageManager.VERIFICATION_REJECT); 863 } 864 865 processPendingInstall(args, ret); 866 mHandler.sendEmptyMessage(MCS_UNBIND); 867 } 868 break; 869 } 870 case PACKAGE_VERIFIED: { 871 final int verificationId = msg.arg1; 872 873 final PackageVerificationState state = mPendingVerification.get(verificationId); 874 if (state == null) { 875 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 876 break; 877 } 878 879 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 880 881 state.setVerifierResponse(response.callerUid, response.code); 882 883 if (state.isVerificationComplete()) { 884 mPendingVerification.remove(verificationId); 885 886 final InstallArgs args = state.getInstallArgs(); 887 888 int ret; 889 if (state.isInstallAllowed()) { 890 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 891 broadcastPackageVerified(verificationId, args.packageURI, 892 response.code); 893 try { 894 ret = args.copyApk(mContainerService, true); 895 } catch (RemoteException e) { 896 Slog.e(TAG, "Could not contact the ContainerService"); 897 } 898 } else { 899 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 900 } 901 902 processPendingInstall(args, ret); 903 904 mHandler.sendEmptyMessage(MCS_UNBIND); 905 } 906 907 break; 908 } 909 } 910 } 911 } 912 913 void scheduleWriteSettingsLocked() { 914 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 915 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 916 } 917 } 918 919 void scheduleWritePackageRestrictionsLocked(int userId) { 920 if (!sUserManager.exists(userId)) return; 921 mDirtyUsers.add(userId); 922 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 923 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 924 } 925 } 926 927 public static final IPackageManager main(Context context, boolean factoryTest, 928 boolean onlyCore) { 929 PackageManagerService m = new PackageManagerService(context, factoryTest, onlyCore); 930 ServiceManager.addService("package", m); 931 return m; 932 } 933 934 static String[] splitString(String str, char sep) { 935 int count = 1; 936 int i = 0; 937 while ((i=str.indexOf(sep, i)) >= 0) { 938 count++; 939 i++; 940 } 941 942 String[] res = new String[count]; 943 i=0; 944 count = 0; 945 int lastI=0; 946 while ((i=str.indexOf(sep, i)) >= 0) { 947 res[count] = str.substring(lastI, i); 948 count++; 949 i++; 950 lastI = i; 951 } 952 res[count] = str.substring(lastI, str.length()); 953 return res; 954 } 955 956 public PackageManagerService(Context context, boolean factoryTest, boolean onlyCore) { 957 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 958 SystemClock.uptimeMillis()); 959 960 if (mSdkVersion <= 0) { 961 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 962 } 963 964 mContext = context; 965 mFactoryTest = factoryTest; 966 mOnlyCore = onlyCore; 967 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 968 mMetrics = new DisplayMetrics(); 969 mSettings = new Settings(context); 970 mSettings.addSharedUserLPw("android.uid.system", 971 Process.SYSTEM_UID, ApplicationInfo.FLAG_SYSTEM); 972 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, ApplicationInfo.FLAG_SYSTEM); 973 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, ApplicationInfo.FLAG_SYSTEM); 974 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, ApplicationInfo.FLAG_SYSTEM); 975 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, ApplicationInfo.FLAG_SYSTEM); 976 977 String separateProcesses = SystemProperties.get("debug.separate_processes"); 978 if (separateProcesses != null && separateProcesses.length() > 0) { 979 if ("*".equals(separateProcesses)) { 980 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 981 mSeparateProcesses = null; 982 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 983 } else { 984 mDefParseFlags = 0; 985 mSeparateProcesses = separateProcesses.split(","); 986 Slog.w(TAG, "Running with debug.separate_processes: " 987 + separateProcesses); 988 } 989 } else { 990 mDefParseFlags = 0; 991 mSeparateProcesses = null; 992 } 993 994 mInstaller = new Installer(); 995 996 WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 997 Display d = wm.getDefaultDisplay(); 998 d.getMetrics(mMetrics); 999 1000 synchronized (mInstallLock) { 1001 // writer 1002 synchronized (mPackages) { 1003 mHandlerThread.start(); 1004 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1005 1006 File dataDir = Environment.getDataDirectory(); 1007 mAppDataDir = new File(dataDir, "data"); 1008 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1009 mUserAppDataDir = new File(dataDir, "user"); 1010 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1011 1012 sUserManager = new UserManagerService(context, this, 1013 mInstallLock, mPackages); 1014 1015 readPermissions(); 1016 1017 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers()); 1018 long startTime = SystemClock.uptimeMillis(); 1019 1020 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1021 startTime); 1022 1023 // Set flag to monitor and not change apk file paths when 1024 // scanning install directories. 1025 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1026 if (mNoDexOpt) { 1027 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1028 scanMode |= SCAN_NO_DEX; 1029 } 1030 1031 final HashSet<String> libFiles = new HashSet<String>(); 1032 1033 mFrameworkDir = new File(Environment.getRootDirectory(), "framework"); 1034 mDalvikCacheDir = new File(dataDir, "dalvik-cache"); 1035 1036 boolean didDexOpt = false; 1037 1038 /** 1039 * Out of paranoia, ensure that everything in the boot class 1040 * path has been dexed. 1041 */ 1042 String bootClassPath = System.getProperty("java.boot.class.path"); 1043 if (bootClassPath != null) { 1044 String[] paths = splitString(bootClassPath, ':'); 1045 for (int i=0; i<paths.length; i++) { 1046 try { 1047 if (dalvik.system.DexFile.isDexOptNeeded(paths[i])) { 1048 libFiles.add(paths[i]); 1049 mInstaller.dexopt(paths[i], Process.SYSTEM_UID, true); 1050 didDexOpt = true; 1051 } 1052 } catch (FileNotFoundException e) { 1053 Slog.w(TAG, "Boot class path not found: " + paths[i]); 1054 } catch (IOException e) { 1055 Slog.w(TAG, "Cannot dexopt " + paths[i] + "; is it an APK or JAR? " 1056 + e.getMessage()); 1057 } 1058 } 1059 } else { 1060 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1061 } 1062 1063 /** 1064 * Also ensure all external libraries have had dexopt run on them. 1065 */ 1066 if (mSharedLibraries.size() > 0) { 1067 Iterator<String> libs = mSharedLibraries.values().iterator(); 1068 while (libs.hasNext()) { 1069 String lib = libs.next(); 1070 try { 1071 if (dalvik.system.DexFile.isDexOptNeeded(lib)) { 1072 libFiles.add(lib); 1073 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1074 didDexOpt = true; 1075 } 1076 } catch (FileNotFoundException e) { 1077 Slog.w(TAG, "Library not found: " + lib); 1078 } catch (IOException e) { 1079 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1080 + e.getMessage()); 1081 } 1082 } 1083 } 1084 1085 // Gross hack for now: we know this file doesn't contain any 1086 // code, so don't dexopt it to avoid the resulting log spew. 1087 libFiles.add(mFrameworkDir.getPath() + "/framework-res.apk"); 1088 1089 /** 1090 * And there are a number of commands implemented in Java, which 1091 * we currently need to do the dexopt on so that they can be 1092 * run from a non-root shell. 1093 */ 1094 String[] frameworkFiles = mFrameworkDir.list(); 1095 if (frameworkFiles != null) { 1096 for (int i=0; i<frameworkFiles.length; i++) { 1097 File libPath = new File(mFrameworkDir, frameworkFiles[i]); 1098 String path = libPath.getPath(); 1099 // Skip the file if we alrady did it. 1100 if (libFiles.contains(path)) { 1101 continue; 1102 } 1103 // Skip the file if it is not a type we want to dexopt. 1104 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1105 continue; 1106 } 1107 try { 1108 if (dalvik.system.DexFile.isDexOptNeeded(path)) { 1109 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1110 didDexOpt = true; 1111 } 1112 } catch (FileNotFoundException e) { 1113 Slog.w(TAG, "Jar not found: " + path); 1114 } catch (IOException e) { 1115 Slog.w(TAG, "Exception reading jar: " + path, e); 1116 } 1117 } 1118 } 1119 1120 if (didDexOpt) { 1121 // If we had to do a dexopt of one of the previous 1122 // things, then something on the system has changed. 1123 // Consider this significant, and wipe away all other 1124 // existing dexopt files to ensure we don't leave any 1125 // dangling around. 1126 String[] files = mDalvikCacheDir.list(); 1127 if (files != null) { 1128 for (int i=0; i<files.length; i++) { 1129 String fn = files[i]; 1130 if (fn.startsWith("data@app@") 1131 || fn.startsWith("data@app-private@")) { 1132 Slog.i(TAG, "Pruning dalvik file: " + fn); 1133 (new File(mDalvikCacheDir, fn)).delete(); 1134 } 1135 } 1136 } 1137 } 1138 1139 // Find base frameworks (resource packages without code). 1140 mFrameworkInstallObserver = new AppDirObserver( 1141 mFrameworkDir.getPath(), OBSERVER_EVENTS, true); 1142 mFrameworkInstallObserver.startWatching(); 1143 scanDirLI(mFrameworkDir, PackageParser.PARSE_IS_SYSTEM 1144 | PackageParser.PARSE_IS_SYSTEM_DIR, 1145 scanMode | SCAN_NO_DEX, 0); 1146 1147 // Collect all system packages. 1148 mSystemAppDir = new File(Environment.getRootDirectory(), "app"); 1149 mSystemInstallObserver = new AppDirObserver( 1150 mSystemAppDir.getPath(), OBSERVER_EVENTS, true); 1151 mSystemInstallObserver.startWatching(); 1152 scanDirLI(mSystemAppDir, PackageParser.PARSE_IS_SYSTEM 1153 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1154 1155 // Collect all vendor packages. 1156 mVendorAppDir = new File("/vendor/app"); 1157 mVendorInstallObserver = new AppDirObserver( 1158 mVendorAppDir.getPath(), OBSERVER_EVENTS, true); 1159 mVendorInstallObserver.startWatching(); 1160 scanDirLI(mVendorAppDir, PackageParser.PARSE_IS_SYSTEM 1161 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1162 1163 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1164 mInstaller.moveFiles(); 1165 1166 // Prune any system packages that no longer exist. 1167 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1168 if (!mOnlyCore) { 1169 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1170 while (psit.hasNext()) { 1171 PackageSetting ps = psit.next(); 1172 1173 /* 1174 * If this is not a system app, it can't be a 1175 * disable system app. 1176 */ 1177 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1178 continue; 1179 } 1180 1181 /* 1182 * If the package is scanned, it's not erased. 1183 */ 1184 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1185 if (scannedPkg != null) { 1186 /* 1187 * If the system app is both scanned and in the 1188 * disabled packages list, then it must have been 1189 * added via OTA. Remove it from the currently 1190 * scanned package so the previously user-installed 1191 * application can be scanned. 1192 */ 1193 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1194 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1195 + "; removing system app"); 1196 removePackageLI(scannedPkg, true); 1197 } 1198 1199 continue; 1200 } 1201 1202 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1203 psit.remove(); 1204 String msg = "System package " + ps.name 1205 + " no longer exists; wiping its data"; 1206 reportSettingsProblem(Log.WARN, msg); 1207 removeDataDirsLI(ps.name); 1208 } else { 1209 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1210 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1211 possiblyDeletedUpdatedSystemApps.add(ps.name); 1212 } 1213 } 1214 } 1215 } 1216 1217 mAppInstallDir = new File(dataDir, "app"); 1218 //look for any incomplete package installations 1219 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1220 //clean up list 1221 for(int i = 0; i < deletePkgsList.size(); i++) { 1222 //clean up here 1223 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1224 } 1225 //delete tmp files 1226 deleteTempPackageFiles(); 1227 1228 if (!mOnlyCore) { 1229 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1230 SystemClock.uptimeMillis()); 1231 mAppInstallObserver = new AppDirObserver( 1232 mAppInstallDir.getPath(), OBSERVER_EVENTS, false); 1233 mAppInstallObserver.startWatching(); 1234 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1235 1236 mDrmAppInstallObserver = new AppDirObserver( 1237 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false); 1238 mDrmAppInstallObserver.startWatching(); 1239 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1240 scanMode, 0); 1241 1242 /** 1243 * Remove disable package settings for any updated system 1244 * apps that were removed via an OTA. If they're not a 1245 * previously-updated app, remove them completely. 1246 * Otherwise, just revoke their system-level permissions. 1247 */ 1248 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1249 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1250 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1251 1252 String msg; 1253 if (deletedPkg == null) { 1254 msg = "Updated system package " + deletedAppName 1255 + " no longer exists; wiping its data"; 1256 removeDataDirsLI(deletedAppName); 1257 } else { 1258 msg = "Updated system app + " + deletedAppName 1259 + " no longer present; removing system privileges for " 1260 + deletedAppName; 1261 1262 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1263 1264 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1265 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1266 } 1267 reportSettingsProblem(Log.WARN, msg); 1268 } 1269 } else { 1270 mAppInstallObserver = null; 1271 mDrmAppInstallObserver = null; 1272 } 1273 1274 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1275 SystemClock.uptimeMillis()); 1276 Slog.i(TAG, "Time to scan packages: " 1277 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1278 + " seconds"); 1279 1280 // If the platform SDK has changed since the last time we booted, 1281 // we need to re-grant app permission to catch any new ones that 1282 // appear. This is really a hack, and means that apps can in some 1283 // cases get permissions that the user didn't initially explicitly 1284 // allow... it would be nice to have some better way to handle 1285 // this situation. 1286 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1287 != mSdkVersion; 1288 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1289 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1290 + "; regranting permissions for internal storage"); 1291 mSettings.mInternalSdkPlatform = mSdkVersion; 1292 1293 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1294 | (regrantPermissions 1295 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1296 : 0)); 1297 1298 // Verify that all of the preferred activity components actually 1299 // exist. It is possible for applications to be updated and at 1300 // that point remove a previously declared activity component that 1301 // had been set as a preferred activity. We try to clean this up 1302 // the next time we encounter that preferred activity, but it is 1303 // possible for the user flow to never be able to return to that 1304 // situation so here we do a sanity check to make sure we haven't 1305 // left any junk around. 1306 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 1307 for (PreferredActivity pa : mSettings.mPreferredActivities.filterSet()) { 1308 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 1309 removed.add(pa); 1310 } 1311 } 1312 for (int i=0; i<removed.size(); i++) { 1313 PreferredActivity pa = removed.get(i); 1314 Slog.w(TAG, "Removing dangling preferred activity: " 1315 + pa.mPref.mComponent); 1316 mSettings.mPreferredActivities.removeFilter(pa); 1317 } 1318 1319 // can downgrade to reader 1320 mSettings.writeLPr(); 1321 1322 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1323 SystemClock.uptimeMillis()); 1324 1325 // Now after opening every single application zip, make sure they 1326 // are all flushed. Not really needed, but keeps things nice and 1327 // tidy. 1328 Runtime.getRuntime().gc(); 1329 1330 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1331 } // synchronized (mPackages) 1332 } // synchronized (mInstallLock) 1333 } 1334 1335 public boolean isFirstBoot() { 1336 return !mRestoredSettings; 1337 } 1338 1339 private String getRequiredVerifierLPr() { 1340 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1341 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1342 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1343 1344 String requiredVerifier = null; 1345 1346 final int N = receivers.size(); 1347 for (int i = 0; i < N; i++) { 1348 final ResolveInfo info = receivers.get(i); 1349 1350 if (info.activityInfo == null) { 1351 continue; 1352 } 1353 1354 final String packageName = info.activityInfo.packageName; 1355 1356 final PackageSetting ps = mSettings.mPackages.get(packageName); 1357 if (ps == null) { 1358 continue; 1359 } 1360 1361 if (!ps.grantedPermissions 1362 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1363 continue; 1364 } 1365 1366 if (requiredVerifier != null) { 1367 throw new RuntimeException("There can be only one required verifier"); 1368 } 1369 1370 requiredVerifier = packageName; 1371 } 1372 1373 return requiredVerifier; 1374 } 1375 1376 @Override 1377 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1378 throws RemoteException { 1379 try { 1380 return super.onTransact(code, data, reply, flags); 1381 } catch (RuntimeException e) { 1382 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1383 Slog.e(TAG, "Package Manager Crash", e); 1384 } 1385 throw e; 1386 } 1387 } 1388 1389 void cleanupInstallFailedPackage(PackageSetting ps) { 1390 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1391 removeDataDirsLI(ps.name); 1392 if (ps.codePath != null) { 1393 if (!ps.codePath.delete()) { 1394 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1395 } 1396 } 1397 if (ps.resourcePath != null) { 1398 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1399 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1400 } 1401 } 1402 mSettings.removePackageLPw(ps.name); 1403 } 1404 1405 void readPermissions() { 1406 // Read permissions from .../etc/permission directory. 1407 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1408 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1409 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1410 return; 1411 } 1412 if (!libraryDir.canRead()) { 1413 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1414 return; 1415 } 1416 1417 // Iterate over the files in the directory and scan .xml files 1418 for (File f : libraryDir.listFiles()) { 1419 // We'll read platform.xml last 1420 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1421 continue; 1422 } 1423 1424 if (!f.getPath().endsWith(".xml")) { 1425 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1426 continue; 1427 } 1428 if (!f.canRead()) { 1429 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1430 continue; 1431 } 1432 1433 readPermissionsFromXml(f); 1434 } 1435 1436 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1437 final File permFile = new File(Environment.getRootDirectory(), 1438 "etc/permissions/platform.xml"); 1439 readPermissionsFromXml(permFile); 1440 } 1441 1442 private void readPermissionsFromXml(File permFile) { 1443 FileReader permReader = null; 1444 try { 1445 permReader = new FileReader(permFile); 1446 } catch (FileNotFoundException e) { 1447 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1448 return; 1449 } 1450 1451 try { 1452 XmlPullParser parser = Xml.newPullParser(); 1453 parser.setInput(permReader); 1454 1455 XmlUtils.beginDocument(parser, "permissions"); 1456 1457 while (true) { 1458 XmlUtils.nextElement(parser); 1459 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1460 break; 1461 } 1462 1463 String name = parser.getName(); 1464 if ("group".equals(name)) { 1465 String gidStr = parser.getAttributeValue(null, "gid"); 1466 if (gidStr != null) { 1467 int gid = Integer.parseInt(gidStr); 1468 mGlobalGids = appendInt(mGlobalGids, gid); 1469 } else { 1470 Slog.w(TAG, "<group> without gid at " 1471 + parser.getPositionDescription()); 1472 } 1473 1474 XmlUtils.skipCurrentTag(parser); 1475 continue; 1476 } else if ("permission".equals(name)) { 1477 String perm = parser.getAttributeValue(null, "name"); 1478 if (perm == null) { 1479 Slog.w(TAG, "<permission> without name at " 1480 + parser.getPositionDescription()); 1481 XmlUtils.skipCurrentTag(parser); 1482 continue; 1483 } 1484 perm = perm.intern(); 1485 readPermission(parser, perm); 1486 1487 } else if ("assign-permission".equals(name)) { 1488 String perm = parser.getAttributeValue(null, "name"); 1489 if (perm == null) { 1490 Slog.w(TAG, "<assign-permission> without name at " 1491 + parser.getPositionDescription()); 1492 XmlUtils.skipCurrentTag(parser); 1493 continue; 1494 } 1495 String uidStr = parser.getAttributeValue(null, "uid"); 1496 if (uidStr == null) { 1497 Slog.w(TAG, "<assign-permission> without uid at " 1498 + parser.getPositionDescription()); 1499 XmlUtils.skipCurrentTag(parser); 1500 continue; 1501 } 1502 int uid = Process.getUidForName(uidStr); 1503 if (uid < 0) { 1504 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1505 + uidStr + "\" at " 1506 + parser.getPositionDescription()); 1507 XmlUtils.skipCurrentTag(parser); 1508 continue; 1509 } 1510 perm = perm.intern(); 1511 HashSet<String> perms = mSystemPermissions.get(uid); 1512 if (perms == null) { 1513 perms = new HashSet<String>(); 1514 mSystemPermissions.put(uid, perms); 1515 } 1516 perms.add(perm); 1517 XmlUtils.skipCurrentTag(parser); 1518 1519 } else if ("library".equals(name)) { 1520 String lname = parser.getAttributeValue(null, "name"); 1521 String lfile = parser.getAttributeValue(null, "file"); 1522 if (lname == null) { 1523 Slog.w(TAG, "<library> without name at " 1524 + parser.getPositionDescription()); 1525 } else if (lfile == null) { 1526 Slog.w(TAG, "<library> without file at " 1527 + parser.getPositionDescription()); 1528 } else { 1529 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1530 mSharedLibraries.put(lname, lfile); 1531 } 1532 XmlUtils.skipCurrentTag(parser); 1533 continue; 1534 1535 } else if ("feature".equals(name)) { 1536 String fname = parser.getAttributeValue(null, "name"); 1537 if (fname == null) { 1538 Slog.w(TAG, "<feature> without name at " 1539 + parser.getPositionDescription()); 1540 } else { 1541 //Log.i(TAG, "Got feature " + fname); 1542 FeatureInfo fi = new FeatureInfo(); 1543 fi.name = fname; 1544 mAvailableFeatures.put(fname, fi); 1545 } 1546 XmlUtils.skipCurrentTag(parser); 1547 continue; 1548 1549 } else { 1550 XmlUtils.skipCurrentTag(parser); 1551 continue; 1552 } 1553 1554 } 1555 permReader.close(); 1556 } catch (XmlPullParserException e) { 1557 Slog.w(TAG, "Got execption parsing permissions.", e); 1558 } catch (IOException e) { 1559 Slog.w(TAG, "Got execption parsing permissions.", e); 1560 } 1561 } 1562 1563 void readPermission(XmlPullParser parser, String name) 1564 throws IOException, XmlPullParserException { 1565 1566 name = name.intern(); 1567 1568 BasePermission bp = mSettings.mPermissions.get(name); 1569 if (bp == null) { 1570 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1571 mSettings.mPermissions.put(name, bp); 1572 } 1573 int outerDepth = parser.getDepth(); 1574 int type; 1575 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1576 && (type != XmlPullParser.END_TAG 1577 || parser.getDepth() > outerDepth)) { 1578 if (type == XmlPullParser.END_TAG 1579 || type == XmlPullParser.TEXT) { 1580 continue; 1581 } 1582 1583 String tagName = parser.getName(); 1584 if ("group".equals(tagName)) { 1585 String gidStr = parser.getAttributeValue(null, "gid"); 1586 if (gidStr != null) { 1587 int gid = Process.getGidForName(gidStr); 1588 bp.gids = appendInt(bp.gids, gid); 1589 } else { 1590 Slog.w(TAG, "<group> without gid at " 1591 + parser.getPositionDescription()); 1592 } 1593 } 1594 XmlUtils.skipCurrentTag(parser); 1595 } 1596 } 1597 1598 static int[] appendInts(int[] cur, int[] add) { 1599 if (add == null) return cur; 1600 if (cur == null) return add; 1601 final int N = add.length; 1602 for (int i=0; i<N; i++) { 1603 cur = appendInt(cur, add[i]); 1604 } 1605 return cur; 1606 } 1607 1608 static int[] removeInts(int[] cur, int[] rem) { 1609 if (rem == null) return cur; 1610 if (cur == null) return cur; 1611 final int N = rem.length; 1612 for (int i=0; i<N; i++) { 1613 cur = removeInt(cur, rem[i]); 1614 } 1615 return cur; 1616 } 1617 1618 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1619 if (!sUserManager.exists(userId)) return null; 1620 PackageInfo pi; 1621 final PackageSetting ps = (PackageSetting) p.mExtras; 1622 if (ps == null) { 1623 return null; 1624 } 1625 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1626 final PackageUserState state = ps.readUserState(userId); 1627 pi = PackageParser.generatePackageInfo(p, gp.gids, flags, 1628 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1629 state, userId); 1630 if (pi != null) { 1631 pi.applicationInfo.enabledSetting = state.enabled; 1632 pi.applicationInfo.enabled = 1633 pi.applicationInfo.enabledSetting == COMPONENT_ENABLED_STATE_DEFAULT 1634 || pi.applicationInfo.enabledSetting == COMPONENT_ENABLED_STATE_ENABLED; 1635 } 1636 return pi; 1637 } 1638 1639 @Override 1640 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1641 if (!sUserManager.exists(userId)) return null; 1642 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1643 // reader 1644 synchronized (mPackages) { 1645 PackageParser.Package p = mPackages.get(packageName); 1646 if (DEBUG_PACKAGE_INFO) 1647 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1648 if (p != null) { 1649 return generatePackageInfo(p, flags, userId); 1650 } 1651 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1652 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1653 } 1654 } 1655 return null; 1656 } 1657 1658 public String[] currentToCanonicalPackageNames(String[] names) { 1659 String[] out = new String[names.length]; 1660 // reader 1661 synchronized (mPackages) { 1662 for (int i=names.length-1; i>=0; i--) { 1663 PackageSetting ps = mSettings.mPackages.get(names[i]); 1664 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1665 } 1666 } 1667 return out; 1668 } 1669 1670 public String[] canonicalToCurrentPackageNames(String[] names) { 1671 String[] out = new String[names.length]; 1672 // reader 1673 synchronized (mPackages) { 1674 for (int i=names.length-1; i>=0; i--) { 1675 String cur = mSettings.mRenamedPackages.get(names[i]); 1676 out[i] = cur != null ? cur : names[i]; 1677 } 1678 } 1679 return out; 1680 } 1681 1682 @Override 1683 public int getPackageUid(String packageName, int userId) { 1684 if (!sUserManager.exists(userId)) return -1; 1685 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1686 // reader 1687 synchronized (mPackages) { 1688 PackageParser.Package p = mPackages.get(packageName); 1689 if(p != null) { 1690 return UserHandle.getUid(userId, p.applicationInfo.uid); 1691 } 1692 PackageSetting ps = mSettings.mPackages.get(packageName); 1693 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1694 return -1; 1695 } 1696 p = ps.pkg; 1697 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1698 } 1699 } 1700 1701 public int[] getPackageGids(String packageName) { 1702 // reader 1703 synchronized (mPackages) { 1704 PackageParser.Package p = mPackages.get(packageName); 1705 if (DEBUG_PACKAGE_INFO) 1706 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1707 if (p != null) { 1708 final PackageSetting ps = (PackageSetting)p.mExtras; 1709 final SharedUserSetting suid = ps.sharedUser; 1710 int[] gids = suid != null ? suid.gids : ps.gids; 1711 1712 // include GIDs for any unenforced permissions 1713 if (!isPermissionEnforcedLocked(READ_EXTERNAL_STORAGE)) { 1714 final BasePermission basePerm = mSettings.mPermissions.get( 1715 READ_EXTERNAL_STORAGE); 1716 gids = appendInts(gids, basePerm.gids); 1717 } 1718 1719 return gids; 1720 } 1721 } 1722 // stupid thing to indicate an error. 1723 return new int[0]; 1724 } 1725 1726 static final PermissionInfo generatePermissionInfo( 1727 BasePermission bp, int flags) { 1728 if (bp.perm != null) { 1729 return PackageParser.generatePermissionInfo(bp.perm, flags); 1730 } 1731 PermissionInfo pi = new PermissionInfo(); 1732 pi.name = bp.name; 1733 pi.packageName = bp.sourcePackage; 1734 pi.nonLocalizedLabel = bp.name; 1735 pi.protectionLevel = bp.protectionLevel; 1736 return pi; 1737 } 1738 1739 public PermissionInfo getPermissionInfo(String name, int flags) { 1740 // reader 1741 synchronized (mPackages) { 1742 final BasePermission p = mSettings.mPermissions.get(name); 1743 if (p != null) { 1744 return generatePermissionInfo(p, flags); 1745 } 1746 return null; 1747 } 1748 } 1749 1750 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1751 // reader 1752 synchronized (mPackages) { 1753 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1754 for (BasePermission p : mSettings.mPermissions.values()) { 1755 if (group == null) { 1756 if (p.perm == null || p.perm.info.group == null) { 1757 out.add(generatePermissionInfo(p, flags)); 1758 } 1759 } else { 1760 if (p.perm != null && group.equals(p.perm.info.group)) { 1761 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1762 } 1763 } 1764 } 1765 1766 if (out.size() > 0) { 1767 return out; 1768 } 1769 return mPermissionGroups.containsKey(group) ? out : null; 1770 } 1771 } 1772 1773 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1774 // reader 1775 synchronized (mPackages) { 1776 return PackageParser.generatePermissionGroupInfo( 1777 mPermissionGroups.get(name), flags); 1778 } 1779 } 1780 1781 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1782 // reader 1783 synchronized (mPackages) { 1784 final int N = mPermissionGroups.size(); 1785 ArrayList<PermissionGroupInfo> out 1786 = new ArrayList<PermissionGroupInfo>(N); 1787 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 1788 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 1789 } 1790 return out; 1791 } 1792 } 1793 1794 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 1795 int userId) { 1796 if (!sUserManager.exists(userId)) return null; 1797 PackageSetting ps = mSettings.mPackages.get(packageName); 1798 if (ps != null) { 1799 if (ps.pkg == null) { 1800 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 1801 flags, userId); 1802 if (pInfo != null) { 1803 return pInfo.applicationInfo; 1804 } 1805 return null; 1806 } 1807 return PackageParser.generateApplicationInfo(ps.pkg, flags, 1808 ps.readUserState(userId), userId); 1809 } 1810 return null; 1811 } 1812 1813 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 1814 int userId) { 1815 if (!sUserManager.exists(userId)) return null; 1816 PackageSetting ps = mSettings.mPackages.get(packageName); 1817 if (ps != null) { 1818 PackageParser.Package pkg = ps.pkg; 1819 if (pkg == null) { 1820 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 1821 return null; 1822 } 1823 pkg = new PackageParser.Package(packageName); 1824 pkg.applicationInfo.packageName = packageName; 1825 pkg.applicationInfo.flags = ps.pkgFlags; 1826 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 1827 pkg.applicationInfo.sourceDir = ps.codePathString; 1828 pkg.applicationInfo.dataDir = 1829 getDataPathForPackage(packageName, 0).getPath(); 1830 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 1831 } 1832 // pkg.mSetEnabled = ps.getEnabled(userId); 1833 // pkg.mSetStopped = ps.getStopped(userId); 1834 return generatePackageInfo(pkg, flags, userId); 1835 } 1836 return null; 1837 } 1838 1839 @Override 1840 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 1841 if (!sUserManager.exists(userId)) return null; 1842 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 1843 // writer 1844 synchronized (mPackages) { 1845 PackageParser.Package p = mPackages.get(packageName); 1846 if (DEBUG_PACKAGE_INFO) Log.v( 1847 TAG, "getApplicationInfo " + packageName 1848 + ": " + p); 1849 if (p != null) { 1850 PackageSetting ps = mSettings.mPackages.get(packageName); 1851 if (ps == null) return null; 1852 // Note: isEnabledLP() does not apply here - always return info 1853 return PackageParser.generateApplicationInfo(p, flags, ps.readUserState(userId)); 1854 } 1855 if ("android".equals(packageName)||"system".equals(packageName)) { 1856 return mAndroidApplication; 1857 } 1858 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1859 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 1860 } 1861 } 1862 return null; 1863 } 1864 1865 1866 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 1867 mContext.enforceCallingOrSelfPermission( 1868 android.Manifest.permission.CLEAR_APP_CACHE, null); 1869 // Queue up an async operation since clearing cache may take a little while. 1870 mHandler.post(new Runnable() { 1871 public void run() { 1872 mHandler.removeCallbacks(this); 1873 int retCode = -1; 1874 synchronized (mInstallLock) { 1875 retCode = mInstaller.freeCache(freeStorageSize); 1876 if (retCode < 0) { 1877 Slog.w(TAG, "Couldn't clear application caches"); 1878 } 1879 } 1880 if (observer != null) { 1881 try { 1882 observer.onRemoveCompleted(null, (retCode >= 0)); 1883 } catch (RemoteException e) { 1884 Slog.w(TAG, "RemoveException when invoking call back"); 1885 } 1886 } 1887 } 1888 }); 1889 } 1890 1891 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 1892 mContext.enforceCallingOrSelfPermission( 1893 android.Manifest.permission.CLEAR_APP_CACHE, null); 1894 // Queue up an async operation since clearing cache may take a little while. 1895 mHandler.post(new Runnable() { 1896 public void run() { 1897 mHandler.removeCallbacks(this); 1898 int retCode = -1; 1899 synchronized (mInstallLock) { 1900 retCode = mInstaller.freeCache(freeStorageSize); 1901 if (retCode < 0) { 1902 Slog.w(TAG, "Couldn't clear application caches"); 1903 } 1904 } 1905 if(pi != null) { 1906 try { 1907 // Callback via pending intent 1908 int code = (retCode >= 0) ? 1 : 0; 1909 pi.sendIntent(null, code, null, 1910 null, null); 1911 } catch (SendIntentException e1) { 1912 Slog.i(TAG, "Failed to send pending intent"); 1913 } 1914 } 1915 } 1916 }); 1917 } 1918 1919 @Override 1920 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 1921 if (!sUserManager.exists(userId)) return null; 1922 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 1923 synchronized (mPackages) { 1924 PackageParser.Activity a = mActivities.mActivities.get(component); 1925 1926 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 1927 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 1928 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 1929 if (ps == null) return null; 1930 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 1931 userId); 1932 } 1933 if (mResolveComponentName.equals(component)) { 1934 return mResolveActivity; 1935 } 1936 } 1937 return null; 1938 } 1939 1940 @Override 1941 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 1942 if (!sUserManager.exists(userId)) return null; 1943 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 1944 synchronized (mPackages) { 1945 PackageParser.Activity a = mReceivers.mActivities.get(component); 1946 if (DEBUG_PACKAGE_INFO) Log.v( 1947 TAG, "getReceiverInfo " + component + ": " + a); 1948 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 1949 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 1950 if (ps == null) return null; 1951 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 1952 userId); 1953 } 1954 } 1955 return null; 1956 } 1957 1958 @Override 1959 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 1960 if (!sUserManager.exists(userId)) return null; 1961 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 1962 synchronized (mPackages) { 1963 PackageParser.Service s = mServices.mServices.get(component); 1964 if (DEBUG_PACKAGE_INFO) Log.v( 1965 TAG, "getServiceInfo " + component + ": " + s); 1966 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 1967 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 1968 if (ps == null) return null; 1969 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 1970 userId); 1971 } 1972 } 1973 return null; 1974 } 1975 1976 @Override 1977 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 1978 if (!sUserManager.exists(userId)) return null; 1979 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 1980 synchronized (mPackages) { 1981 PackageParser.Provider p = mProvidersByComponent.get(component); 1982 if (DEBUG_PACKAGE_INFO) Log.v( 1983 TAG, "getProviderInfo " + component + ": " + p); 1984 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 1985 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 1986 if (ps == null) return null; 1987 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 1988 userId); 1989 } 1990 } 1991 return null; 1992 } 1993 1994 public String[] getSystemSharedLibraryNames() { 1995 Set<String> libSet; 1996 synchronized (mPackages) { 1997 libSet = mSharedLibraries.keySet(); 1998 int size = libSet.size(); 1999 if (size > 0) { 2000 String[] libs = new String[size]; 2001 libSet.toArray(libs); 2002 return libs; 2003 } 2004 } 2005 return null; 2006 } 2007 2008 public FeatureInfo[] getSystemAvailableFeatures() { 2009 Collection<FeatureInfo> featSet; 2010 synchronized (mPackages) { 2011 featSet = mAvailableFeatures.values(); 2012 int size = featSet.size(); 2013 if (size > 0) { 2014 FeatureInfo[] features = new FeatureInfo[size+1]; 2015 featSet.toArray(features); 2016 FeatureInfo fi = new FeatureInfo(); 2017 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2018 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2019 features[size] = fi; 2020 return features; 2021 } 2022 } 2023 return null; 2024 } 2025 2026 public boolean hasSystemFeature(String name) { 2027 synchronized (mPackages) { 2028 return mAvailableFeatures.containsKey(name); 2029 } 2030 } 2031 2032 private void checkValidCaller(int uid, int userId) { 2033 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2034 return; 2035 2036 throw new SecurityException("Caller uid=" + uid 2037 + " is not privileged to communicate with user=" + userId); 2038 } 2039 2040 public int checkPermission(String permName, String pkgName) { 2041 synchronized (mPackages) { 2042 PackageParser.Package p = mPackages.get(pkgName); 2043 if (p != null && p.mExtras != null) { 2044 PackageSetting ps = (PackageSetting)p.mExtras; 2045 if (ps.sharedUser != null) { 2046 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2047 return PackageManager.PERMISSION_GRANTED; 2048 } 2049 } else if (ps.grantedPermissions.contains(permName)) { 2050 return PackageManager.PERMISSION_GRANTED; 2051 } 2052 } 2053 if (!isPermissionEnforcedLocked(permName)) { 2054 return PackageManager.PERMISSION_GRANTED; 2055 } 2056 } 2057 return PackageManager.PERMISSION_DENIED; 2058 } 2059 2060 public int checkUidPermission(String permName, int uid) { 2061 synchronized (mPackages) { 2062 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2063 if (obj != null) { 2064 GrantedPermissions gp = (GrantedPermissions)obj; 2065 if (gp.grantedPermissions.contains(permName)) { 2066 return PackageManager.PERMISSION_GRANTED; 2067 } 2068 } else { 2069 HashSet<String> perms = mSystemPermissions.get(uid); 2070 if (perms != null && perms.contains(permName)) { 2071 return PackageManager.PERMISSION_GRANTED; 2072 } 2073 } 2074 if (!isPermissionEnforcedLocked(permName)) { 2075 return PackageManager.PERMISSION_GRANTED; 2076 } 2077 } 2078 return PackageManager.PERMISSION_DENIED; 2079 } 2080 2081 /** 2082 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2083 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2084 * @param message the message to log on security exception 2085 * @return 2086 */ 2087 private void enforceCrossUserPermission(int callingUid, int userId, 2088 boolean requireFullPermission, String message) { 2089 if (userId < 0) { 2090 throw new IllegalArgumentException("Invalid userId " + userId); 2091 } 2092 if (userId == UserHandle.getUserId(callingUid)) return; 2093 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2094 if (requireFullPermission) { 2095 mContext.enforceCallingOrSelfPermission( 2096 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2097 } else { 2098 try { 2099 mContext.enforceCallingOrSelfPermission( 2100 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2101 } catch (SecurityException se) { 2102 mContext.enforceCallingOrSelfPermission( 2103 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2104 } 2105 } 2106 } 2107 } 2108 2109 private BasePermission findPermissionTreeLP(String permName) { 2110 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2111 if (permName.startsWith(bp.name) && 2112 permName.length() > bp.name.length() && 2113 permName.charAt(bp.name.length()) == '.') { 2114 return bp; 2115 } 2116 } 2117 return null; 2118 } 2119 2120 private BasePermission checkPermissionTreeLP(String permName) { 2121 if (permName != null) { 2122 BasePermission bp = findPermissionTreeLP(permName); 2123 if (bp != null) { 2124 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2125 return bp; 2126 } 2127 throw new SecurityException("Calling uid " 2128 + Binder.getCallingUid() 2129 + " is not allowed to add to permission tree " 2130 + bp.name + " owned by uid " + bp.uid); 2131 } 2132 } 2133 throw new SecurityException("No permission tree found for " + permName); 2134 } 2135 2136 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2137 if (s1 == null) { 2138 return s2 == null; 2139 } 2140 if (s2 == null) { 2141 return false; 2142 } 2143 if (s1.getClass() != s2.getClass()) { 2144 return false; 2145 } 2146 return s1.equals(s2); 2147 } 2148 2149 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2150 if (pi1.icon != pi2.icon) return false; 2151 if (pi1.logo != pi2.logo) return false; 2152 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2153 if (!compareStrings(pi1.name, pi2.name)) return false; 2154 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2155 // We'll take care of setting this one. 2156 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2157 // These are not currently stored in settings. 2158 //if (!compareStrings(pi1.group, pi2.group)) return false; 2159 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2160 //if (pi1.labelRes != pi2.labelRes) return false; 2161 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2162 return true; 2163 } 2164 2165 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2166 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2167 throw new SecurityException("Label must be specified in permission"); 2168 } 2169 BasePermission tree = checkPermissionTreeLP(info.name); 2170 BasePermission bp = mSettings.mPermissions.get(info.name); 2171 boolean added = bp == null; 2172 boolean changed = true; 2173 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2174 if (added) { 2175 bp = new BasePermission(info.name, tree.sourcePackage, 2176 BasePermission.TYPE_DYNAMIC); 2177 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2178 throw new SecurityException( 2179 "Not allowed to modify non-dynamic permission " 2180 + info.name); 2181 } else { 2182 if (bp.protectionLevel == fixedLevel 2183 && bp.perm.owner.equals(tree.perm.owner) 2184 && bp.uid == tree.uid 2185 && comparePermissionInfos(bp.perm.info, info)) { 2186 changed = false; 2187 } 2188 } 2189 bp.protectionLevel = fixedLevel; 2190 info = new PermissionInfo(info); 2191 info.protectionLevel = fixedLevel; 2192 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2193 bp.perm.info.packageName = tree.perm.info.packageName; 2194 bp.uid = tree.uid; 2195 if (added) { 2196 mSettings.mPermissions.put(info.name, bp); 2197 } 2198 if (changed) { 2199 if (!async) { 2200 mSettings.writeLPr(); 2201 } else { 2202 scheduleWriteSettingsLocked(); 2203 } 2204 } 2205 return added; 2206 } 2207 2208 public boolean addPermission(PermissionInfo info) { 2209 synchronized (mPackages) { 2210 return addPermissionLocked(info, false); 2211 } 2212 } 2213 2214 public boolean addPermissionAsync(PermissionInfo info) { 2215 synchronized (mPackages) { 2216 return addPermissionLocked(info, true); 2217 } 2218 } 2219 2220 public void removePermission(String name) { 2221 synchronized (mPackages) { 2222 checkPermissionTreeLP(name); 2223 BasePermission bp = mSettings.mPermissions.get(name); 2224 if (bp != null) { 2225 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2226 throw new SecurityException( 2227 "Not allowed to modify non-dynamic permission " 2228 + name); 2229 } 2230 mSettings.mPermissions.remove(name); 2231 mSettings.writeLPr(); 2232 } 2233 } 2234 } 2235 2236 public void grantPermission(String packageName, String permissionName) { 2237 mContext.enforceCallingOrSelfPermission( 2238 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2239 synchronized (mPackages) { 2240 final PackageParser.Package pkg = mPackages.get(packageName); 2241 if (pkg == null) { 2242 throw new IllegalArgumentException("Unknown package: " + packageName); 2243 } 2244 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2245 if (bp == null) { 2246 throw new IllegalArgumentException("Unknown permission: " + packageName); 2247 } 2248 if (!pkg.requestedPermissions.contains(permissionName)) { 2249 throw new SecurityException("Package " + packageName 2250 + " has not requested permission " + permissionName); 2251 } 2252 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) == 0) { 2253 throw new SecurityException("Permission " + permissionName 2254 + " is not a development permission"); 2255 } 2256 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2257 if (ps == null) { 2258 return; 2259 } 2260 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2261 if (gp.grantedPermissions.add(permissionName)) { 2262 if (ps.haveGids) { 2263 gp.gids = appendInts(gp.gids, bp.gids); 2264 } 2265 mSettings.writeLPr(); 2266 } 2267 } 2268 } 2269 2270 public void revokePermission(String packageName, String permissionName) { 2271 synchronized (mPackages) { 2272 final PackageParser.Package pkg = mPackages.get(packageName); 2273 if (pkg == null) { 2274 throw new IllegalArgumentException("Unknown package: " + packageName); 2275 } 2276 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2277 mContext.enforceCallingOrSelfPermission( 2278 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2279 } 2280 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2281 if (bp == null) { 2282 throw new IllegalArgumentException("Unknown permission: " + packageName); 2283 } 2284 if (!pkg.requestedPermissions.contains(permissionName)) { 2285 throw new SecurityException("Package " + packageName 2286 + " has not requested permission " + permissionName); 2287 } 2288 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) == 0) { 2289 throw new SecurityException("Permission " + permissionName 2290 + " is not a development permission"); 2291 } 2292 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2293 if (ps == null) { 2294 return; 2295 } 2296 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2297 if (gp.grantedPermissions.remove(permissionName)) { 2298 gp.grantedPermissions.remove(permissionName); 2299 if (ps.haveGids) { 2300 gp.gids = removeInts(gp.gids, bp.gids); 2301 } 2302 mSettings.writeLPr(); 2303 } 2304 } 2305 } 2306 2307 public boolean isProtectedBroadcast(String actionName) { 2308 synchronized (mPackages) { 2309 return mProtectedBroadcasts.contains(actionName); 2310 } 2311 } 2312 2313 public int checkSignatures(String pkg1, String pkg2) { 2314 synchronized (mPackages) { 2315 final PackageParser.Package p1 = mPackages.get(pkg1); 2316 final PackageParser.Package p2 = mPackages.get(pkg2); 2317 if (p1 == null || p1.mExtras == null 2318 || p2 == null || p2.mExtras == null) { 2319 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2320 } 2321 return compareSignatures(p1.mSignatures, p2.mSignatures); 2322 } 2323 } 2324 2325 public int checkUidSignatures(int uid1, int uid2) { 2326 // Map to base uids. 2327 uid1 = UserHandle.getAppId(uid1); 2328 uid2 = UserHandle.getAppId(uid2); 2329 // reader 2330 synchronized (mPackages) { 2331 Signature[] s1; 2332 Signature[] s2; 2333 Object obj = mSettings.getUserIdLPr(uid1); 2334 if (obj != null) { 2335 if (obj instanceof SharedUserSetting) { 2336 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2337 } else if (obj instanceof PackageSetting) { 2338 s1 = ((PackageSetting)obj).signatures.mSignatures; 2339 } else { 2340 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2341 } 2342 } else { 2343 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2344 } 2345 obj = mSettings.getUserIdLPr(uid2); 2346 if (obj != null) { 2347 if (obj instanceof SharedUserSetting) { 2348 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2349 } else if (obj instanceof PackageSetting) { 2350 s2 = ((PackageSetting)obj).signatures.mSignatures; 2351 } else { 2352 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2353 } 2354 } else { 2355 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2356 } 2357 return compareSignatures(s1, s2); 2358 } 2359 } 2360 2361 static int compareSignatures(Signature[] s1, Signature[] s2) { 2362 if (s1 == null) { 2363 return s2 == null 2364 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2365 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2366 } 2367 if (s2 == null) { 2368 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2369 } 2370 HashSet<Signature> set1 = new HashSet<Signature>(); 2371 for (Signature sig : s1) { 2372 set1.add(sig); 2373 } 2374 HashSet<Signature> set2 = new HashSet<Signature>(); 2375 for (Signature sig : s2) { 2376 set2.add(sig); 2377 } 2378 // Make sure s2 contains all signatures in s1. 2379 if (set1.equals(set2)) { 2380 return PackageManager.SIGNATURE_MATCH; 2381 } 2382 return PackageManager.SIGNATURE_NO_MATCH; 2383 } 2384 2385 public String[] getPackagesForUid(int uid) { 2386 uid = UserHandle.getAppId(uid); 2387 // reader 2388 synchronized (mPackages) { 2389 Object obj = mSettings.getUserIdLPr(uid); 2390 if (obj instanceof SharedUserSetting) { 2391 final SharedUserSetting sus = (SharedUserSetting) obj; 2392 final int N = sus.packages.size(); 2393 final String[] res = new String[N]; 2394 final Iterator<PackageSetting> it = sus.packages.iterator(); 2395 int i = 0; 2396 while (it.hasNext()) { 2397 res[i++] = it.next().name; 2398 } 2399 return res; 2400 } else if (obj instanceof PackageSetting) { 2401 final PackageSetting ps = (PackageSetting) obj; 2402 return new String[] { ps.name }; 2403 } 2404 } 2405 return null; 2406 } 2407 2408 public String getNameForUid(int uid) { 2409 // reader 2410 synchronized (mPackages) { 2411 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2412 if (obj instanceof SharedUserSetting) { 2413 final SharedUserSetting sus = (SharedUserSetting) obj; 2414 return sus.name + ":" + sus.userId; 2415 } else if (obj instanceof PackageSetting) { 2416 final PackageSetting ps = (PackageSetting) obj; 2417 return ps.name; 2418 } 2419 } 2420 return null; 2421 } 2422 2423 public int getUidForSharedUser(String sharedUserName) { 2424 if(sharedUserName == null) { 2425 return -1; 2426 } 2427 // reader 2428 synchronized (mPackages) { 2429 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2430 if (suid == null) { 2431 return -1; 2432 } 2433 return suid.userId; 2434 } 2435 } 2436 2437 @Override 2438 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2439 int flags, int userId) { 2440 if (!sUserManager.exists(userId)) return null; 2441 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2442 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2443 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2444 } 2445 2446 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2447 int flags, List<ResolveInfo> query, int userId) { 2448 if (query != null) { 2449 final int N = query.size(); 2450 if (N == 1) { 2451 return query.get(0); 2452 } else if (N > 1) { 2453 // If there is more than one activity with the same priority, 2454 // then let the user decide between them. 2455 ResolveInfo r0 = query.get(0); 2456 ResolveInfo r1 = query.get(1); 2457 if (DEBUG_INTENT_MATCHING) { 2458 Log.d(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2459 + r1.activityInfo.name + "=" + r1.priority); 2460 } 2461 // If the first activity has a higher priority, or a different 2462 // default, then it is always desireable to pick it. 2463 if (r0.priority != r1.priority 2464 || r0.preferredOrder != r1.preferredOrder 2465 || r0.isDefault != r1.isDefault) { 2466 return query.get(0); 2467 } 2468 // If we have saved a preference for a preferred activity for 2469 // this Intent, use that. 2470 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2471 flags, query, r0.priority, userId); 2472 if (ri != null) { 2473 return ri; 2474 } 2475 return mResolveInfo; 2476 } 2477 } 2478 return null; 2479 } 2480 2481 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, 2482 int flags, List<ResolveInfo> query, int priority, int userId) { 2483 if (!sUserManager.exists(userId)) return null; 2484 // writer 2485 synchronized (mPackages) { 2486 if (intent.getSelector() != null) { 2487 intent = intent.getSelector(); 2488 } 2489 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2490 List<PreferredActivity> prefs = 2491 mSettings.mPreferredActivities.queryIntent(intent, resolvedType, 2492 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 2493 if (prefs != null && prefs.size() > 0) { 2494 // First figure out how good the original match set is. 2495 // We will only allow preferred activities that came 2496 // from the same match quality. 2497 int match = 0; 2498 2499 if (DEBUG_PREFERRED) { 2500 Log.v(TAG, "Figuring out best match..."); 2501 } 2502 2503 final int N = query.size(); 2504 for (int j=0; j<N; j++) { 2505 final ResolveInfo ri = query.get(j); 2506 if (DEBUG_PREFERRED) { 2507 Log.v(TAG, "Match for " + ri.activityInfo + ": 0x" 2508 + Integer.toHexString(match)); 2509 } 2510 if (ri.match > match) { 2511 match = ri.match; 2512 } 2513 } 2514 2515 if (DEBUG_PREFERRED) { 2516 Log.v(TAG, "Best match: 0x" + Integer.toHexString(match)); 2517 } 2518 2519 match &= IntentFilter.MATCH_CATEGORY_MASK; 2520 final int M = prefs.size(); 2521 for (int i=0; i<M; i++) { 2522 final PreferredActivity pa = prefs.get(i); 2523 if (pa.mUserId != userId) { 2524 continue; 2525 } 2526 if (pa.mPref.mMatch != match) { 2527 continue; 2528 } 2529 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, flags, userId); 2530 if (DEBUG_PREFERRED) { 2531 Log.v(TAG, "Got preferred activity:"); 2532 if (ai != null) { 2533 ai.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 2534 } else { 2535 Log.v(TAG, " null"); 2536 } 2537 } 2538 if (ai == null) { 2539 // This previously registered preferred activity 2540 // component is no longer known. Most likely an update 2541 // to the app was installed and in the new version this 2542 // component no longer exists. Clean it up by removing 2543 // it from the preferred activities list, and skip it. 2544 Slog.w(TAG, "Removing dangling preferred activity: " 2545 + pa.mPref.mComponent); 2546 mSettings.mPreferredActivities.removeFilter(pa); 2547 continue; 2548 } 2549 for (int j=0; j<N; j++) { 2550 final ResolveInfo ri = query.get(j); 2551 if (!ri.activityInfo.applicationInfo.packageName 2552 .equals(ai.applicationInfo.packageName)) { 2553 continue; 2554 } 2555 if (!ri.activityInfo.name.equals(ai.name)) { 2556 continue; 2557 } 2558 2559 // Okay we found a previously set preferred app. 2560 // If the result set is different from when this 2561 // was created, we need to clear it and re-ask the 2562 // user their preference. 2563 if (!pa.mPref.sameSet(query, priority)) { 2564 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2565 + intent + " type " + resolvedType); 2566 mSettings.mPreferredActivities.removeFilter(pa); 2567 return null; 2568 } 2569 2570 // Yay! 2571 return ri; 2572 } 2573 } 2574 } 2575 } 2576 return null; 2577 } 2578 2579 @Override 2580 public List<ResolveInfo> queryIntentActivities(Intent intent, 2581 String resolvedType, int flags, int userId) { 2582 if (!sUserManager.exists(userId)) return null; 2583 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 2584 ComponentName comp = intent.getComponent(); 2585 if (comp == null) { 2586 if (intent.getSelector() != null) { 2587 intent = intent.getSelector(); 2588 comp = intent.getComponent(); 2589 } 2590 } 2591 2592 if (comp != null) { 2593 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2594 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 2595 if (ai != null) { 2596 final ResolveInfo ri = new ResolveInfo(); 2597 ri.activityInfo = ai; 2598 list.add(ri); 2599 } 2600 return list; 2601 } 2602 2603 // reader 2604 synchronized (mPackages) { 2605 final String pkgName = intent.getPackage(); 2606 if (pkgName == null) { 2607 return mActivities.queryIntent(intent, resolvedType, flags, userId); 2608 } 2609 final PackageParser.Package pkg = mPackages.get(pkgName); 2610 if (pkg != null) { 2611 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 2612 pkg.activities, userId); 2613 } 2614 return new ArrayList<ResolveInfo>(); 2615 } 2616 } 2617 2618 @Override 2619 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 2620 Intent[] specifics, String[] specificTypes, Intent intent, 2621 String resolvedType, int flags, int userId) { 2622 if (!sUserManager.exists(userId)) return null; 2623 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 2624 "query intent activity options"); 2625 final String resultsAction = intent.getAction(); 2626 2627 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 2628 | PackageManager.GET_RESOLVED_FILTER, userId); 2629 2630 if (DEBUG_INTENT_MATCHING) { 2631 Log.v(TAG, "Query " + intent + ": " + results); 2632 } 2633 2634 int specificsPos = 0; 2635 int N; 2636 2637 // todo: note that the algorithm used here is O(N^2). This 2638 // isn't a problem in our current environment, but if we start running 2639 // into situations where we have more than 5 or 10 matches then this 2640 // should probably be changed to something smarter... 2641 2642 // First we go through and resolve each of the specific items 2643 // that were supplied, taking care of removing any corresponding 2644 // duplicate items in the generic resolve list. 2645 if (specifics != null) { 2646 for (int i=0; i<specifics.length; i++) { 2647 final Intent sintent = specifics[i]; 2648 if (sintent == null) { 2649 continue; 2650 } 2651 2652 if (DEBUG_INTENT_MATCHING) { 2653 Log.v(TAG, "Specific #" + i + ": " + sintent); 2654 } 2655 2656 String action = sintent.getAction(); 2657 if (resultsAction != null && resultsAction.equals(action)) { 2658 // If this action was explicitly requested, then don't 2659 // remove things that have it. 2660 action = null; 2661 } 2662 2663 ResolveInfo ri = null; 2664 ActivityInfo ai = null; 2665 2666 ComponentName comp = sintent.getComponent(); 2667 if (comp == null) { 2668 ri = resolveIntent( 2669 sintent, 2670 specificTypes != null ? specificTypes[i] : null, 2671 flags, userId); 2672 if (ri == null) { 2673 continue; 2674 } 2675 if (ri == mResolveInfo) { 2676 // ACK! Must do something better with this. 2677 } 2678 ai = ri.activityInfo; 2679 comp = new ComponentName(ai.applicationInfo.packageName, 2680 ai.name); 2681 } else { 2682 ai = getActivityInfo(comp, flags, userId); 2683 if (ai == null) { 2684 continue; 2685 } 2686 } 2687 2688 // Look for any generic query activities that are duplicates 2689 // of this specific one, and remove them from the results. 2690 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 2691 N = results.size(); 2692 int j; 2693 for (j=specificsPos; j<N; j++) { 2694 ResolveInfo sri = results.get(j); 2695 if ((sri.activityInfo.name.equals(comp.getClassName()) 2696 && sri.activityInfo.applicationInfo.packageName.equals( 2697 comp.getPackageName())) 2698 || (action != null && sri.filter.matchAction(action))) { 2699 results.remove(j); 2700 if (DEBUG_INTENT_MATCHING) Log.v( 2701 TAG, "Removing duplicate item from " + j 2702 + " due to specific " + specificsPos); 2703 if (ri == null) { 2704 ri = sri; 2705 } 2706 j--; 2707 N--; 2708 } 2709 } 2710 2711 // Add this specific item to its proper place. 2712 if (ri == null) { 2713 ri = new ResolveInfo(); 2714 ri.activityInfo = ai; 2715 } 2716 results.add(specificsPos, ri); 2717 ri.specificIndex = i; 2718 specificsPos++; 2719 } 2720 } 2721 2722 // Now we go through the remaining generic results and remove any 2723 // duplicate actions that are found here. 2724 N = results.size(); 2725 for (int i=specificsPos; i<N-1; i++) { 2726 final ResolveInfo rii = results.get(i); 2727 if (rii.filter == null) { 2728 continue; 2729 } 2730 2731 // Iterate over all of the actions of this result's intent 2732 // filter... typically this should be just one. 2733 final Iterator<String> it = rii.filter.actionsIterator(); 2734 if (it == null) { 2735 continue; 2736 } 2737 while (it.hasNext()) { 2738 final String action = it.next(); 2739 if (resultsAction != null && resultsAction.equals(action)) { 2740 // If this action was explicitly requested, then don't 2741 // remove things that have it. 2742 continue; 2743 } 2744 for (int j=i+1; j<N; j++) { 2745 final ResolveInfo rij = results.get(j); 2746 if (rij.filter != null && rij.filter.hasAction(action)) { 2747 results.remove(j); 2748 if (DEBUG_INTENT_MATCHING) Log.v( 2749 TAG, "Removing duplicate item from " + j 2750 + " due to action " + action + " at " + i); 2751 j--; 2752 N--; 2753 } 2754 } 2755 } 2756 2757 // If the caller didn't request filter information, drop it now 2758 // so we don't have to marshall/unmarshall it. 2759 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 2760 rii.filter = null; 2761 } 2762 } 2763 2764 // Filter out the caller activity if so requested. 2765 if (caller != null) { 2766 N = results.size(); 2767 for (int i=0; i<N; i++) { 2768 ActivityInfo ainfo = results.get(i).activityInfo; 2769 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 2770 && caller.getClassName().equals(ainfo.name)) { 2771 results.remove(i); 2772 break; 2773 } 2774 } 2775 } 2776 2777 // If the caller didn't request filter information, 2778 // drop them now so we don't have to 2779 // marshall/unmarshall it. 2780 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 2781 N = results.size(); 2782 for (int i=0; i<N; i++) { 2783 results.get(i).filter = null; 2784 } 2785 } 2786 2787 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 2788 return results; 2789 } 2790 2791 @Override 2792 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 2793 int userId) { 2794 if (!sUserManager.exists(userId)) return null; 2795 ComponentName comp = intent.getComponent(); 2796 if (comp == null) { 2797 if (intent.getSelector() != null) { 2798 intent = intent.getSelector(); 2799 comp = intent.getComponent(); 2800 } 2801 } 2802 if (comp != null) { 2803 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2804 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 2805 if (ai != null) { 2806 ResolveInfo ri = new ResolveInfo(); 2807 ri.activityInfo = ai; 2808 list.add(ri); 2809 } 2810 return list; 2811 } 2812 2813 // reader 2814 synchronized (mPackages) { 2815 String pkgName = intent.getPackage(); 2816 if (pkgName == null) { 2817 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 2818 } 2819 final PackageParser.Package pkg = mPackages.get(pkgName); 2820 if (pkg != null) { 2821 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 2822 userId); 2823 } 2824 return null; 2825 } 2826 } 2827 2828 @Override 2829 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 2830 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 2831 if (!sUserManager.exists(userId)) return null; 2832 if (query != null) { 2833 if (query.size() >= 1) { 2834 // If there is more than one service with the same priority, 2835 // just arbitrarily pick the first one. 2836 return query.get(0); 2837 } 2838 } 2839 return null; 2840 } 2841 2842 @Override 2843 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 2844 int userId) { 2845 if (!sUserManager.exists(userId)) return null; 2846 ComponentName comp = intent.getComponent(); 2847 if (comp == null) { 2848 if (intent.getSelector() != null) { 2849 intent = intent.getSelector(); 2850 comp = intent.getComponent(); 2851 } 2852 } 2853 if (comp != null) { 2854 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2855 final ServiceInfo si = getServiceInfo(comp, flags, userId); 2856 if (si != null) { 2857 final ResolveInfo ri = new ResolveInfo(); 2858 ri.serviceInfo = si; 2859 list.add(ri); 2860 } 2861 return list; 2862 } 2863 2864 // reader 2865 synchronized (mPackages) { 2866 String pkgName = intent.getPackage(); 2867 if (pkgName == null) { 2868 return mServices.queryIntent(intent, resolvedType, flags, userId); 2869 } 2870 final PackageParser.Package pkg = mPackages.get(pkgName); 2871 if (pkg != null) { 2872 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 2873 userId); 2874 } 2875 return null; 2876 } 2877 } 2878 2879 private static final int getContinuationPoint(final String[] keys, final String key) { 2880 final int index; 2881 if (key == null) { 2882 index = 0; 2883 } else { 2884 final int insertPoint = Arrays.binarySearch(keys, key); 2885 if (insertPoint < 0) { 2886 index = -insertPoint; 2887 } else { 2888 index = insertPoint + 1; 2889 } 2890 } 2891 return index; 2892 } 2893 2894 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, String lastRead) { 2895 final ParceledListSlice<PackageInfo> list = new ParceledListSlice<PackageInfo>(); 2896 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 2897 final String[] keys; 2898 int userId = UserHandle.getCallingUserId(); 2899 2900 // writer 2901 synchronized (mPackages) { 2902 if (listUninstalled) { 2903 keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]); 2904 } else { 2905 keys = mPackages.keySet().toArray(new String[mPackages.size()]); 2906 } 2907 2908 Arrays.sort(keys); 2909 int i = getContinuationPoint(keys, lastRead); 2910 final int N = keys.length; 2911 2912 while (i < N) { 2913 final String packageName = keys[i++]; 2914 2915 PackageInfo pi = null; 2916 if (listUninstalled) { 2917 final PackageSetting ps = mSettings.mPackages.get(packageName); 2918 if (ps != null) { 2919 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 2920 } 2921 } else { 2922 final PackageParser.Package p = mPackages.get(packageName); 2923 if (p != null) { 2924 pi = generatePackageInfo(p, flags, userId); 2925 } 2926 } 2927 2928 if (pi != null && list.append(pi)) { 2929 break; 2930 } 2931 } 2932 2933 if (i == N) { 2934 list.setLastSlice(true); 2935 } 2936 } 2937 2938 return list; 2939 } 2940 2941 @Override 2942 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, 2943 String lastRead, int userId) { 2944 if (!sUserManager.exists(userId)) return null; 2945 final ParceledListSlice<ApplicationInfo> list = new ParceledListSlice<ApplicationInfo>(); 2946 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 2947 final String[] keys; 2948 2949 // writer 2950 synchronized (mPackages) { 2951 if (listUninstalled) { 2952 keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]); 2953 } else { 2954 keys = mPackages.keySet().toArray(new String[mPackages.size()]); 2955 } 2956 2957 Arrays.sort(keys); 2958 int i = getContinuationPoint(keys, lastRead); 2959 final int N = keys.length; 2960 2961 while (i < N) { 2962 final String packageName = keys[i++]; 2963 2964 ApplicationInfo ai = null; 2965 final PackageSetting ps = mSettings.mPackages.get(packageName); 2966 if (listUninstalled) { 2967 if (ps != null) { 2968 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 2969 } 2970 } else { 2971 final PackageParser.Package p = mPackages.get(packageName); 2972 if (p != null && ps != null) { 2973 ai = PackageParser.generateApplicationInfo(p, flags, 2974 ps.readUserState(userId), userId); 2975 } 2976 } 2977 2978 if (ai != null && list.append(ai)) { 2979 break; 2980 } 2981 } 2982 2983 if (i == N) { 2984 list.setLastSlice(true); 2985 } 2986 } 2987 2988 return list; 2989 } 2990 2991 public List<ApplicationInfo> getPersistentApplications(int flags) { 2992 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 2993 2994 // reader 2995 synchronized (mPackages) { 2996 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 2997 final int userId = UserHandle.getCallingUserId(); 2998 while (i.hasNext()) { 2999 final PackageParser.Package p = i.next(); 3000 if (p.applicationInfo != null 3001 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3002 && (!mSafeMode || isSystemApp(p))) { 3003 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3004 if (ps != null) { 3005 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3006 ps.readUserState(userId), userId); 3007 if (ai != null) { 3008 finalList.add(ai); 3009 } 3010 } 3011 } 3012 } 3013 } 3014 3015 return finalList; 3016 } 3017 3018 @Override 3019 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3020 if (!sUserManager.exists(userId)) return null; 3021 // reader 3022 synchronized (mPackages) { 3023 final PackageParser.Provider provider = mProviders.get(name); 3024 PackageSetting ps = provider != null 3025 ? mSettings.mPackages.get(provider.owner.packageName) 3026 : null; 3027 return ps != null 3028 && mSettings.isEnabledLPr(provider.info, flags, userId) 3029 && (!mSafeMode || (provider.info.applicationInfo.flags 3030 &ApplicationInfo.FLAG_SYSTEM) != 0) 3031 ? PackageParser.generateProviderInfo(provider, flags, 3032 ps.readUserState(userId), userId) 3033 : null; 3034 } 3035 } 3036 3037 /** 3038 * @deprecated 3039 */ 3040 @Deprecated 3041 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3042 // reader 3043 synchronized (mPackages) { 3044 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProviders.entrySet() 3045 .iterator(); 3046 final int userId = UserHandle.getCallingUserId(); 3047 while (i.hasNext()) { 3048 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3049 PackageParser.Provider p = entry.getValue(); 3050 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3051 3052 if (ps != null && p.syncable 3053 && (!mSafeMode || (p.info.applicationInfo.flags 3054 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3055 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3056 ps.readUserState(userId), userId); 3057 if (info != null) { 3058 outNames.add(entry.getKey()); 3059 outInfo.add(info); 3060 } 3061 } 3062 } 3063 } 3064 } 3065 3066 public List<ProviderInfo> queryContentProviders(String processName, 3067 int uid, int flags) { 3068 ArrayList<ProviderInfo> finalList = null; 3069 3070 // reader 3071 synchronized (mPackages) { 3072 final Iterator<PackageParser.Provider> i = mProvidersByComponent.values().iterator(); 3073 final int userId = processName != null ? 3074 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3075 while (i.hasNext()) { 3076 final PackageParser.Provider p = i.next(); 3077 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3078 if (ps != null && p.info.authority != null 3079 && (processName == null 3080 || (p.info.processName.equals(processName) 3081 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3082 && mSettings.isEnabledLPr(p.info, flags, userId) 3083 && (!mSafeMode 3084 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3085 if (finalList == null) { 3086 finalList = new ArrayList<ProviderInfo>(3); 3087 } 3088 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3089 ps.readUserState(userId), userId); 3090 if (info != null) { 3091 finalList.add(info); 3092 } 3093 } 3094 } 3095 } 3096 3097 if (finalList != null) { 3098 Collections.sort(finalList, mProviderInitOrderSorter); 3099 } 3100 3101 return finalList; 3102 } 3103 3104 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3105 int flags) { 3106 // reader 3107 synchronized (mPackages) { 3108 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3109 return PackageParser.generateInstrumentationInfo(i, flags); 3110 } 3111 } 3112 3113 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3114 int flags) { 3115 ArrayList<InstrumentationInfo> finalList = 3116 new ArrayList<InstrumentationInfo>(); 3117 3118 // reader 3119 synchronized (mPackages) { 3120 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3121 while (i.hasNext()) { 3122 final PackageParser.Instrumentation p = i.next(); 3123 if (targetPackage == null 3124 || targetPackage.equals(p.info.targetPackage)) { 3125 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3126 flags); 3127 if (ii != null) { 3128 finalList.add(ii); 3129 } 3130 } 3131 } 3132 } 3133 3134 return finalList; 3135 } 3136 3137 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3138 String[] files = dir.list(); 3139 if (files == null) { 3140 Log.d(TAG, "No files in app dir " + dir); 3141 return; 3142 } 3143 3144 if (DEBUG_PACKAGE_SCANNING) { 3145 Log.d(TAG, "Scanning app dir " + dir); 3146 } 3147 3148 int i; 3149 for (i=0; i<files.length; i++) { 3150 File file = new File(dir, files[i]); 3151 if (!isPackageFilename(files[i])) { 3152 // Ignore entries which are not apk's 3153 continue; 3154 } 3155 PackageParser.Package pkg = scanPackageLI(file, 3156 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3157 // Don't mess around with apps in system partition. 3158 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3159 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3160 // Delete the apk 3161 Slog.w(TAG, "Cleaning up failed install of " + file); 3162 file.delete(); 3163 } 3164 } 3165 } 3166 3167 private static File getSettingsProblemFile() { 3168 File dataDir = Environment.getDataDirectory(); 3169 File systemDir = new File(dataDir, "system"); 3170 File fname = new File(systemDir, "uiderrors.txt"); 3171 return fname; 3172 } 3173 3174 static void reportSettingsProblem(int priority, String msg) { 3175 try { 3176 File fname = getSettingsProblemFile(); 3177 FileOutputStream out = new FileOutputStream(fname, true); 3178 PrintWriter pw = new PrintWriter(out); 3179 SimpleDateFormat formatter = new SimpleDateFormat(); 3180 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3181 pw.println(dateString + ": " + msg); 3182 pw.close(); 3183 FileUtils.setPermissions( 3184 fname.toString(), 3185 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3186 -1, -1); 3187 } catch (java.io.IOException e) { 3188 } 3189 Slog.println(priority, TAG, msg); 3190 } 3191 3192 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3193 PackageParser.Package pkg, File srcFile, int parseFlags) { 3194 if (GET_CERTIFICATES) { 3195 if (ps != null 3196 && ps.codePath.equals(srcFile) 3197 && ps.timeStamp == srcFile.lastModified()) { 3198 if (ps.signatures.mSignatures != null 3199 && ps.signatures.mSignatures.length != 0) { 3200 // Optimization: reuse the existing cached certificates 3201 // if the package appears to be unchanged. 3202 pkg.mSignatures = ps.signatures.mSignatures; 3203 return true; 3204 } 3205 3206 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3207 } else { 3208 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3209 } 3210 3211 if (!pp.collectCertificates(pkg, parseFlags)) { 3212 mLastScanError = pp.getParseError(); 3213 return false; 3214 } 3215 } 3216 return true; 3217 } 3218 3219 /* 3220 * Scan a package and return the newly parsed package. 3221 * Returns null in case of errors and the error code is stored in mLastScanError 3222 */ 3223 private PackageParser.Package scanPackageLI(File scanFile, 3224 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3225 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3226 String scanPath = scanFile.getPath(); 3227 parseFlags |= mDefParseFlags; 3228 PackageParser pp = new PackageParser(scanPath); 3229 pp.setSeparateProcesses(mSeparateProcesses); 3230 pp.setOnlyCoreApps(mOnlyCore); 3231 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3232 scanPath, mMetrics, parseFlags); 3233 if (pkg == null) { 3234 mLastScanError = pp.getParseError(); 3235 return null; 3236 } 3237 PackageSetting ps = null; 3238 PackageSetting updatedPkg; 3239 // reader 3240 synchronized (mPackages) { 3241 // Look to see if we already know about this package. 3242 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3243 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3244 // This package has been renamed to its original name. Let's 3245 // use that. 3246 ps = mSettings.peekPackageLPr(oldName); 3247 } 3248 // If there was no original package, see one for the real package name. 3249 if (ps == null) { 3250 ps = mSettings.peekPackageLPr(pkg.packageName); 3251 } 3252 // Check to see if this package could be hiding/updating a system 3253 // package. Must look for it either under the original or real 3254 // package name depending on our state. 3255 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3256 } 3257 // First check if this is a system package that may involve an update 3258 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3259 if (ps != null && !ps.codePath.equals(scanFile)) { 3260 // The path has changed from what was last scanned... check the 3261 // version of the new path against what we have stored to determine 3262 // what to do. 3263 if (pkg.mVersionCode < ps.versionCode) { 3264 // The system package has been updated and the code path does not match 3265 // Ignore entry. Skip it. 3266 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3267 + " ignored: updated version " + ps.versionCode 3268 + " better than this " + pkg.mVersionCode); 3269 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3270 return null; 3271 } else { 3272 // The current app on the system partion is better than 3273 // what we have updated to on the data partition; switch 3274 // back to the system partition version. 3275 // At this point, its safely assumed that package installation for 3276 // apps in system partition will go through. If not there won't be a working 3277 // version of the app 3278 // writer 3279 synchronized (mPackages) { 3280 // Just remove the loaded entries from package lists. 3281 mPackages.remove(ps.name); 3282 } 3283 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3284 + "reverting from " + ps.codePathString 3285 + ": new version " + pkg.mVersionCode 3286 + " better than installed " + ps.versionCode); 3287 3288 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3289 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3290 synchronized (mInstallLock) { 3291 args.cleanUpResourcesLI(); 3292 } 3293 synchronized (mPackages) { 3294 mSettings.enableSystemPackageLPw(ps.name); 3295 } 3296 } 3297 } 3298 } 3299 3300 if (updatedPkg != null) { 3301 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3302 // initially 3303 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3304 } 3305 // Verify certificates against what was last scanned 3306 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3307 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3308 return null; 3309 } 3310 3311 /* 3312 * A new system app appeared, but we already had a non-system one of the 3313 * same name installed earlier. 3314 */ 3315 boolean shouldHideSystemApp = false; 3316 if (updatedPkg == null && ps != null 3317 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3318 /* 3319 * Check to make sure the signatures match first. If they don't, 3320 * wipe the installed application and its data. 3321 */ 3322 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3323 != PackageManager.SIGNATURE_MATCH) { 3324 deletePackageLI(pkg.packageName, null, true, 0, null, false); 3325 ps = null; 3326 } else { 3327 /* 3328 * If the newly-added system app is an older version than the 3329 * already installed version, hide it. It will be scanned later 3330 * and re-added like an update. 3331 */ 3332 if (pkg.mVersionCode < ps.versionCode) { 3333 shouldHideSystemApp = true; 3334 } else { 3335 /* 3336 * The newly found system app is a newer version that the 3337 * one previously installed. Simply remove the 3338 * already-installed application and replace it with our own 3339 * while keeping the application data. 3340 */ 3341 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3342 + ps.codePathString + ": new version " + pkg.mVersionCode 3343 + " better than installed " + ps.versionCode); 3344 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3345 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3346 synchronized (mInstallLock) { 3347 args.cleanUpResourcesLI(); 3348 } 3349 } 3350 } 3351 } 3352 3353 // The apk is forward locked (not public) if its code and resources 3354 // are kept in different files. 3355 // TODO grab this value from PackageSettings 3356 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3357 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3358 } 3359 3360 String codePath = null; 3361 String resPath = null; 3362 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0) { 3363 if (ps != null && ps.resourcePathString != null) { 3364 resPath = ps.resourcePathString; 3365 } else { 3366 // Should not happen at all. Just log an error. 3367 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3368 } 3369 } else { 3370 resPath = pkg.mScanPath; 3371 } 3372 codePath = pkg.mScanPath; 3373 // Set application objects path explicitly. 3374 setApplicationInfoPaths(pkg, codePath, resPath); 3375 // Note that we invoke the following method only if we are about to unpack an application 3376 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3377 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3378 3379 /* 3380 * If the system app should be overridden by a previously installed 3381 * data, hide the system app now and let the /data/app scan pick it up 3382 * again. 3383 */ 3384 if (shouldHideSystemApp) { 3385 synchronized (mPackages) { 3386 /* 3387 * We have to grant systems permissions before we hide, because 3388 * grantPermissions will assume the package update is trying to 3389 * expand its permissions. 3390 */ 3391 grantPermissionsLPw(pkg, true); 3392 mSettings.disableSystemPackageLPw(pkg.packageName); 3393 } 3394 } 3395 3396 return scannedPkg; 3397 } 3398 3399 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3400 String destResPath) { 3401 pkg.mPath = pkg.mScanPath = destCodePath; 3402 pkg.applicationInfo.sourceDir = destCodePath; 3403 pkg.applicationInfo.publicSourceDir = destResPath; 3404 } 3405 3406 private static String fixProcessName(String defProcessName, 3407 String processName, int uid) { 3408 if (processName == null) { 3409 return defProcessName; 3410 } 3411 return processName; 3412 } 3413 3414 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3415 PackageParser.Package pkg) { 3416 if (pkgSetting.signatures.mSignatures != null) { 3417 // Already existing package. Make sure signatures match 3418 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3419 PackageManager.SIGNATURE_MATCH) { 3420 Slog.e(TAG, "Package " + pkg.packageName 3421 + " signatures do not match the previously installed version; ignoring!"); 3422 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3423 return false; 3424 } 3425 } 3426 // Check for shared user signatures 3427 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3428 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3429 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3430 Slog.e(TAG, "Package " + pkg.packageName 3431 + " has no signatures that match those in shared user " 3432 + pkgSetting.sharedUser.name + "; ignoring!"); 3433 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3434 return false; 3435 } 3436 } 3437 return true; 3438 } 3439 3440 /** 3441 * Enforces that only the system UID or root's UID can call a method exposed 3442 * via Binder. 3443 * 3444 * @param message used as message if SecurityException is thrown 3445 * @throws SecurityException if the caller is not system or root 3446 */ 3447 private static final void enforceSystemOrRoot(String message) { 3448 final int uid = Binder.getCallingUid(); 3449 if (uid != Process.SYSTEM_UID && uid != 0) { 3450 throw new SecurityException(message); 3451 } 3452 } 3453 3454 public void performBootDexOpt() { 3455 ArrayList<PackageParser.Package> pkgs = null; 3456 synchronized (mPackages) { 3457 if (mDeferredDexOpt.size() > 0) { 3458 pkgs = new ArrayList<PackageParser.Package>(mDeferredDexOpt); 3459 mDeferredDexOpt.clear(); 3460 } 3461 } 3462 if (pkgs != null) { 3463 for (int i=0; i<pkgs.size(); i++) { 3464 if (!isFirstBoot()) { 3465 try { 3466 ActivityManagerNative.getDefault().showBootMessage( 3467 mContext.getResources().getString( 3468 com.android.internal.R.string.android_upgrading_apk, 3469 i+1, pkgs.size()), true); 3470 } catch (RemoteException e) { 3471 } 3472 } 3473 PackageParser.Package p = pkgs.get(i); 3474 synchronized (mInstallLock) { 3475 if (!p.mDidDexOpt) { 3476 performDexOptLI(p, false, false); 3477 } 3478 } 3479 } 3480 } 3481 } 3482 3483 public boolean performDexOpt(String packageName) { 3484 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3485 3486 if (!mNoDexOpt) { 3487 return false; 3488 } 3489 3490 PackageParser.Package p; 3491 synchronized (mPackages) { 3492 p = mPackages.get(packageName); 3493 if (p == null || p.mDidDexOpt) { 3494 return false; 3495 } 3496 } 3497 synchronized (mInstallLock) { 3498 return performDexOptLI(p, false, false) == DEX_OPT_PERFORMED; 3499 } 3500 } 3501 3502 static final int DEX_OPT_SKIPPED = 0; 3503 static final int DEX_OPT_PERFORMED = 1; 3504 static final int DEX_OPT_DEFERRED = 2; 3505 static final int DEX_OPT_FAILED = -1; 3506 3507 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer) { 3508 boolean performed = false; 3509 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 3510 String path = pkg.mScanPath; 3511 int ret = 0; 3512 try { 3513 if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { 3514 if (!forceDex && defer) { 3515 mDeferredDexOpt.add(pkg); 3516 return DEX_OPT_DEFERRED; 3517 } else { 3518 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 3519 ret = mInstaller.dexopt(path, pkg.applicationInfo.uid, 3520 !isForwardLocked(pkg)); 3521 pkg.mDidDexOpt = true; 3522 performed = true; 3523 } 3524 } 3525 } catch (FileNotFoundException e) { 3526 Slog.w(TAG, "Apk not found for dexopt: " + path); 3527 ret = -1; 3528 } catch (IOException e) { 3529 Slog.w(TAG, "IOException reading apk: " + path, e); 3530 ret = -1; 3531 } catch (dalvik.system.StaleDexCacheError e) { 3532 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 3533 ret = -1; 3534 } catch (Exception e) { 3535 Slog.w(TAG, "Exception when doing dexopt : ", e); 3536 ret = -1; 3537 } 3538 if (ret < 0) { 3539 //error from installer 3540 return DEX_OPT_FAILED; 3541 } 3542 } 3543 3544 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 3545 } 3546 3547 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 3548 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 3549 Slog.w(TAG, "Unable to update from " + oldPkg.name 3550 + " to " + newPkg.packageName 3551 + ": old package not in system partition"); 3552 return false; 3553 } else if (mPackages.get(oldPkg.name) != null) { 3554 Slog.w(TAG, "Unable to update from " + oldPkg.name 3555 + " to " + newPkg.packageName 3556 + ": old package still exists"); 3557 return false; 3558 } 3559 return true; 3560 } 3561 3562 File getDataPathForUser(int userId) { 3563 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 3564 } 3565 3566 private File getDataPathForPackage(String packageName, int userId) { 3567 /* 3568 * Until we fully support multiple users, return the directory we 3569 * previously would have. The PackageManagerTests will need to be 3570 * revised when this is changed back.. 3571 */ 3572 if (userId == 0) { 3573 return new File(mAppDataDir, packageName); 3574 } else { 3575 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 3576 + File.separator + packageName); 3577 } 3578 } 3579 3580 private int createDataDirsLI(String packageName, int uid) { 3581 int[] users = sUserManager.getUserIds(); 3582 int res = mInstaller.install(packageName, uid, uid); 3583 if (res < 0) { 3584 return res; 3585 } 3586 for (int user : users) { 3587 if (user != 0) { 3588 res = mInstaller.createUserData(packageName, 3589 UserHandle.getUid(user, uid), user); 3590 if (res < 0) { 3591 return res; 3592 } 3593 } 3594 } 3595 return res; 3596 } 3597 3598 private int removeDataDirsLI(String packageName) { 3599 int[] users = sUserManager.getUserIds(); 3600 int res = 0; 3601 for (int user : users) { 3602 int resInner = mInstaller.remove(packageName, user); 3603 if (resInner < 0) { 3604 res = resInner; 3605 } 3606 } 3607 return res; 3608 } 3609 3610 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 3611 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3612 File scanFile = new File(pkg.mScanPath); 3613 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 3614 pkg.applicationInfo.publicSourceDir == null) { 3615 // Bail out. The resource and code paths haven't been set. 3616 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 3617 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 3618 return null; 3619 } 3620 mScanningPath = scanFile; 3621 3622 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3623 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 3624 } 3625 3626 if (pkg.packageName.equals("android")) { 3627 synchronized (mPackages) { 3628 if (mAndroidApplication != null) { 3629 Slog.w(TAG, "*************************************************"); 3630 Slog.w(TAG, "Core android package being redefined. Skipping."); 3631 Slog.w(TAG, " file=" + mScanningPath); 3632 Slog.w(TAG, "*************************************************"); 3633 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3634 return null; 3635 } 3636 3637 // Set up information for our fall-back user intent resolution 3638 // activity. 3639 mPlatformPackage = pkg; 3640 pkg.mVersionCode = mSdkVersion; 3641 mAndroidApplication = pkg.applicationInfo; 3642 mResolveActivity.applicationInfo = mAndroidApplication; 3643 mResolveActivity.name = ResolverActivity.class.getName(); 3644 mResolveActivity.packageName = mAndroidApplication.packageName; 3645 mResolveActivity.processName = mAndroidApplication.processName; 3646 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 3647 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 3648 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 3649 mResolveActivity.exported = true; 3650 mResolveActivity.enabled = true; 3651 mResolveInfo.activityInfo = mResolveActivity; 3652 mResolveInfo.priority = 0; 3653 mResolveInfo.preferredOrder = 0; 3654 mResolveInfo.match = 0; 3655 mResolveComponentName = new ComponentName( 3656 mAndroidApplication.packageName, mResolveActivity.name); 3657 } 3658 } 3659 3660 if (DEBUG_PACKAGE_SCANNING) { 3661 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 3662 Log.d(TAG, "Scanning package " + pkg.packageName); 3663 } 3664 3665 if (mPackages.containsKey(pkg.packageName) 3666 || mSharedLibraries.containsKey(pkg.packageName)) { 3667 Slog.w(TAG, "Application package " + pkg.packageName 3668 + " already installed. Skipping duplicate."); 3669 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3670 return null; 3671 } 3672 3673 // Initialize package source and resource directories 3674 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 3675 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 3676 3677 SharedUserSetting suid = null; 3678 PackageSetting pkgSetting = null; 3679 3680 if (!isSystemApp(pkg)) { 3681 // Only system apps can use these features. 3682 pkg.mOriginalPackages = null; 3683 pkg.mRealPackage = null; 3684 pkg.mAdoptPermissions = null; 3685 } 3686 3687 // writer 3688 synchronized (mPackages) { 3689 // Check all shared libraries and map to their actual file path. 3690 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 3691 if (mTmpSharedLibraries == null || 3692 mTmpSharedLibraries.length < mSharedLibraries.size()) { 3693 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 3694 } 3695 int num = 0; 3696 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 3697 for (int i=0; i<N; i++) { 3698 final String file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 3699 if (file == null) { 3700 Slog.e(TAG, "Package " + pkg.packageName 3701 + " requires unavailable shared library " 3702 + pkg.usesLibraries.get(i) + "; failing!"); 3703 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 3704 return null; 3705 } 3706 mTmpSharedLibraries[num] = file; 3707 num++; 3708 } 3709 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 3710 for (int i=0; i<N; i++) { 3711 final String file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 3712 if (file == null) { 3713 Slog.w(TAG, "Package " + pkg.packageName 3714 + " desires unavailable shared library " 3715 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 3716 } else { 3717 mTmpSharedLibraries[num] = file; 3718 num++; 3719 } 3720 } 3721 if (num > 0) { 3722 pkg.usesLibraryFiles = new String[num]; 3723 System.arraycopy(mTmpSharedLibraries, 0, 3724 pkg.usesLibraryFiles, 0, num); 3725 } 3726 } 3727 3728 if (pkg.mSharedUserId != null) { 3729 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 3730 pkg.applicationInfo.flags, true); 3731 if (suid == null) { 3732 Slog.w(TAG, "Creating application package " + pkg.packageName 3733 + " for shared user failed"); 3734 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 3735 return null; 3736 } 3737 if (DEBUG_PACKAGE_SCANNING) { 3738 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 3739 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 3740 + "): packages=" + suid.packages); 3741 } 3742 } 3743 3744 // Check if we are renaming from an original package name. 3745 PackageSetting origPackage = null; 3746 String realName = null; 3747 if (pkg.mOriginalPackages != null) { 3748 // This package may need to be renamed to a previously 3749 // installed name. Let's check on that... 3750 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 3751 if (pkg.mOriginalPackages.contains(renamed)) { 3752 // This package had originally been installed as the 3753 // original name, and we have already taken care of 3754 // transitioning to the new one. Just update the new 3755 // one to continue using the old name. 3756 realName = pkg.mRealPackage; 3757 if (!pkg.packageName.equals(renamed)) { 3758 // Callers into this function may have already taken 3759 // care of renaming the package; only do it here if 3760 // it is not already done. 3761 pkg.setPackageName(renamed); 3762 } 3763 3764 } else { 3765 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 3766 if ((origPackage = mSettings.peekPackageLPr( 3767 pkg.mOriginalPackages.get(i))) != null) { 3768 // We do have the package already installed under its 3769 // original name... should we use it? 3770 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 3771 // New package is not compatible with original. 3772 origPackage = null; 3773 continue; 3774 } else if (origPackage.sharedUser != null) { 3775 // Make sure uid is compatible between packages. 3776 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 3777 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 3778 + " to " + pkg.packageName + ": old uid " 3779 + origPackage.sharedUser.name 3780 + " differs from " + pkg.mSharedUserId); 3781 origPackage = null; 3782 continue; 3783 } 3784 } else { 3785 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 3786 + pkg.packageName + " to old name " + origPackage.name); 3787 } 3788 break; 3789 } 3790 } 3791 } 3792 } 3793 3794 if (mTransferedPackages.contains(pkg.packageName)) { 3795 Slog.w(TAG, "Package " + pkg.packageName 3796 + " was transferred to another, but its .apk remains"); 3797 } 3798 3799 // Just create the setting, don't add it yet. For already existing packages 3800 // the PkgSetting exists already and doesn't have to be created. 3801 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 3802 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 3803 pkg.applicationInfo.flags, user, false); 3804 if (pkgSetting == null) { 3805 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 3806 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 3807 return null; 3808 } 3809 3810 if (pkgSetting.origPackage != null) { 3811 // If we are first transitioning from an original package, 3812 // fix up the new package's name now. We need to do this after 3813 // looking up the package under its new name, so getPackageLP 3814 // can take care of fiddling things correctly. 3815 pkg.setPackageName(origPackage.name); 3816 3817 // File a report about this. 3818 String msg = "New package " + pkgSetting.realName 3819 + " renamed to replace old package " + pkgSetting.name; 3820 reportSettingsProblem(Log.WARN, msg); 3821 3822 // Make a note of it. 3823 mTransferedPackages.add(origPackage.name); 3824 3825 // No longer need to retain this. 3826 pkgSetting.origPackage = null; 3827 } 3828 3829 if (realName != null) { 3830 // Make a note of it. 3831 mTransferedPackages.add(pkg.packageName); 3832 } 3833 3834 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 3835 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 3836 } 3837 3838 pkg.applicationInfo.uid = pkgSetting.appId; 3839 pkg.mExtras = pkgSetting; 3840 3841 if (!verifySignaturesLP(pkgSetting, pkg)) { 3842 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3843 return null; 3844 } 3845 // The signature has changed, but this package is in the system 3846 // image... let's recover! 3847 pkgSetting.signatures.mSignatures = pkg.mSignatures; 3848 // However... if this package is part of a shared user, but it 3849 // doesn't match the signature of the shared user, let's fail. 3850 // What this means is that you can't change the signatures 3851 // associated with an overall shared user, which doesn't seem all 3852 // that unreasonable. 3853 if (pkgSetting.sharedUser != null) { 3854 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3855 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3856 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 3857 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 3858 return null; 3859 } 3860 } 3861 // File a report about this. 3862 String msg = "System package " + pkg.packageName 3863 + " signature changed; retaining data."; 3864 reportSettingsProblem(Log.WARN, msg); 3865 } 3866 3867 // Verify that this new package doesn't have any content providers 3868 // that conflict with existing packages. Only do this if the 3869 // package isn't already installed, since we don't want to break 3870 // things that are installed. 3871 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 3872 final int N = pkg.providers.size(); 3873 int i; 3874 for (i=0; i<N; i++) { 3875 PackageParser.Provider p = pkg.providers.get(i); 3876 if (p.info.authority != null) { 3877 String names[] = p.info.authority.split(";"); 3878 for (int j = 0; j < names.length; j++) { 3879 if (mProviders.containsKey(names[j])) { 3880 PackageParser.Provider other = mProviders.get(names[j]); 3881 Slog.w(TAG, "Can't install because provider name " + names[j] + 3882 " (in package " + pkg.applicationInfo.packageName + 3883 ") is already used by " 3884 + ((other != null && other.getComponentName() != null) 3885 ? other.getComponentName().getPackageName() : "?")); 3886 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 3887 return null; 3888 } 3889 } 3890 } 3891 } 3892 } 3893 3894 if (pkg.mAdoptPermissions != null) { 3895 // This package wants to adopt ownership of permissions from 3896 // another package. 3897 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 3898 final String origName = pkg.mAdoptPermissions.get(i); 3899 final PackageSetting orig = mSettings.peekPackageLPr(origName); 3900 if (orig != null) { 3901 if (verifyPackageUpdateLPr(orig, pkg)) { 3902 Slog.i(TAG, "Adopting permissions from " + origName + " to " 3903 + pkg.packageName); 3904 mSettings.transferPermissionsLPw(origName, pkg.packageName); 3905 } 3906 } 3907 } 3908 } 3909 } 3910 3911 final String pkgName = pkg.packageName; 3912 3913 final long scanFileTime = scanFile.lastModified(); 3914 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 3915 pkg.applicationInfo.processName = fixProcessName( 3916 pkg.applicationInfo.packageName, 3917 pkg.applicationInfo.processName, 3918 pkg.applicationInfo.uid); 3919 3920 File dataPath; 3921 if (mPlatformPackage == pkg) { 3922 // The system package is special. 3923 dataPath = new File (Environment.getDataDirectory(), "system"); 3924 pkg.applicationInfo.dataDir = dataPath.getPath(); 3925 } else { 3926 // This is a normal package, need to make its data directory. 3927 dataPath = getDataPathForPackage(pkg.packageName, 0); 3928 3929 boolean uidError = false; 3930 3931 if (dataPath.exists()) { 3932 int currentUid = 0; 3933 try { 3934 StructStat stat = Libcore.os.stat(dataPath.getPath()); 3935 currentUid = stat.st_uid; 3936 } catch (ErrnoException e) { 3937 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 3938 } 3939 3940 // If we have mismatched owners for the data path, we have a problem. 3941 if (currentUid != pkg.applicationInfo.uid) { 3942 boolean recovered = false; 3943 if (currentUid == 0) { 3944 // The directory somehow became owned by root. Wow. 3945 // This is probably because the system was stopped while 3946 // installd was in the middle of messing with its libs 3947 // directory. Ask installd to fix that. 3948 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 3949 pkg.applicationInfo.uid); 3950 if (ret >= 0) { 3951 recovered = true; 3952 String msg = "Package " + pkg.packageName 3953 + " unexpectedly changed to uid 0; recovered to " + 3954 + pkg.applicationInfo.uid; 3955 reportSettingsProblem(Log.WARN, msg); 3956 } 3957 } 3958 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 3959 || (scanMode&SCAN_BOOTING) != 0)) { 3960 // If this is a system app, we can at least delete its 3961 // current data so the application will still work. 3962 int ret = removeDataDirsLI(pkgName); 3963 if (ret >= 0) { 3964 // TODO: Kill the processes first 3965 // Old data gone! 3966 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 3967 ? "System package " : "Third party package "; 3968 String msg = prefix + pkg.packageName 3969 + " has changed from uid: " 3970 + currentUid + " to " 3971 + pkg.applicationInfo.uid + "; old data erased"; 3972 reportSettingsProblem(Log.WARN, msg); 3973 recovered = true; 3974 3975 // And now re-install the app. 3976 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid); 3977 if (ret == -1) { 3978 // Ack should not happen! 3979 msg = prefix + pkg.packageName 3980 + " could not have data directory re-created after delete."; 3981 reportSettingsProblem(Log.WARN, msg); 3982 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 3983 return null; 3984 } 3985 } 3986 if (!recovered) { 3987 mHasSystemUidErrors = true; 3988 } 3989 } else if (!recovered) { 3990 // If we allow this install to proceed, we will be broken. 3991 // Abort, abort! 3992 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 3993 return null; 3994 } 3995 if (!recovered) { 3996 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 3997 + pkg.applicationInfo.uid + "/fs_" 3998 + currentUid; 3999 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4000 String msg = "Package " + pkg.packageName 4001 + " has mismatched uid: " 4002 + currentUid + " on disk, " 4003 + pkg.applicationInfo.uid + " in settings"; 4004 // writer 4005 synchronized (mPackages) { 4006 mSettings.mReadMessages.append(msg); 4007 mSettings.mReadMessages.append('\n'); 4008 uidError = true; 4009 if (!pkgSetting.uidError) { 4010 reportSettingsProblem(Log.ERROR, msg); 4011 } 4012 } 4013 } 4014 } 4015 pkg.applicationInfo.dataDir = dataPath.getPath(); 4016 } else { 4017 if (DEBUG_PACKAGE_SCANNING) { 4018 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4019 Log.v(TAG, "Want this data dir: " + dataPath); 4020 } 4021 //invoke installer to do the actual installation 4022 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid); 4023 if (ret < 0) { 4024 // Error from installer 4025 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4026 return null; 4027 } 4028 4029 if (dataPath.exists()) { 4030 pkg.applicationInfo.dataDir = dataPath.getPath(); 4031 } else { 4032 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4033 pkg.applicationInfo.dataDir = null; 4034 } 4035 } 4036 4037 /* 4038 * Set the data dir to the default "/data/data/<package name>/lib" 4039 * if we got here without anyone telling us different (e.g., apps 4040 * stored on SD card have their native libraries stored in the ASEC 4041 * container with the APK). 4042 * 4043 * This happens during an upgrade from a package settings file that 4044 * doesn't have a native library path attribute at all. 4045 */ 4046 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4047 if (pkgSetting.nativeLibraryPathString == null) { 4048 final String nativeLibraryPath = new File(dataPath, LIB_DIR_NAME).getPath(); 4049 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 4050 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 4051 } else { 4052 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4053 } 4054 } 4055 4056 pkgSetting.uidError = uidError; 4057 } 4058 4059 String path = scanFile.getPath(); 4060 /* Note: We don't want to unpack the native binaries for 4061 * system applications, unless they have been updated 4062 * (the binaries are already under /system/lib). 4063 * Also, don't unpack libs for apps on the external card 4064 * since they should have their libraries in the ASEC 4065 * container already. 4066 * 4067 * In other words, we're going to unpack the binaries 4068 * only for non-system apps and system app upgrades. 4069 */ 4070 if (pkg.applicationInfo.nativeLibraryDir != null) { 4071 try { 4072 final File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4073 final String dataPathString = dataPath.getCanonicalPath(); 4074 4075 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4076 /* 4077 * Upgrading from a previous version of the OS sometimes 4078 * leaves native libraries in the /data/data/<app>/lib 4079 * directory for system apps even when they shouldn't be. 4080 * Recent changes in the JNI library search path 4081 * necessitates we remove those to match previous behavior. 4082 */ 4083 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4084 Log.i(TAG, "removed obsolete native libraries for system package " 4085 + path); 4086 } 4087 } else if (nativeLibraryDir.getParentFile().getCanonicalPath() 4088 .equals(dataPathString)) { 4089 /* 4090 * Make sure the native library dir isn't a symlink to 4091 * something. If it is, ask installd to remove it and create 4092 * a directory so we can copy to it afterwards. 4093 */ 4094 boolean isSymLink; 4095 try { 4096 isSymLink = S_ISLNK(Libcore.os.lstat(nativeLibraryDir.getPath()).st_mode); 4097 } catch (ErrnoException e) { 4098 // This shouldn't happen, but we'll fail-safe. 4099 isSymLink = true; 4100 } 4101 if (isSymLink) { 4102 mInstaller.unlinkNativeLibraryDirectory(dataPathString); 4103 } 4104 4105 /* 4106 * If this is an internal application or our 4107 * nativeLibraryPath points to our data directory, unpack 4108 * the libraries if necessary. 4109 */ 4110 NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 4111 } else { 4112 Slog.i(TAG, "Linking native library dir for " + path); 4113 mInstaller.linkNativeLibraryDirectory(dataPathString, 4114 pkg.applicationInfo.nativeLibraryDir); 4115 } 4116 } catch (IOException ioe) { 4117 Log.e(TAG, "Unable to get canonical file " + ioe.toString()); 4118 } 4119 } 4120 pkg.mScanPath = path; 4121 4122 if ((scanMode&SCAN_NO_DEX) == 0) { 4123 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0) 4124 == DEX_OPT_FAILED) { 4125 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4126 return null; 4127 } 4128 } 4129 4130 if (mFactoryTest && pkg.requestedPermissions.contains( 4131 android.Manifest.permission.FACTORY_TEST)) { 4132 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4133 } 4134 4135 // Request the ActivityManager to kill the process(only for existing packages) 4136 // so that we do not end up in a confused state while the user is still using the older 4137 // version of the application while the new one gets installed. 4138 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4139 killApplication(pkg.applicationInfo.packageName, 4140 pkg.applicationInfo.uid); 4141 } 4142 4143 // writer 4144 synchronized (mPackages) { 4145 // We don't expect installation to fail beyond this point, 4146 if ((scanMode&SCAN_MONITOR) != 0) { 4147 mAppDirs.put(pkg.mPath, pkg); 4148 } 4149 // Add the new setting to mSettings 4150 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4151 // Add the new setting to mPackages 4152 mPackages.put(pkg.applicationInfo.packageName, pkg); 4153 // Make sure we don't accidentally delete its data. 4154 for (int i=0; i<mSettings.mPackagesToBeCleaned.size(); i++) { 4155 mSettings.mPackagesToBeCleaned.valueAt(i).remove(pkgName); 4156 } 4157 4158 // Take care of first install / last update times. 4159 if (currentTime != 0) { 4160 if (pkgSetting.firstInstallTime == 0) { 4161 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4162 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4163 pkgSetting.lastUpdateTime = currentTime; 4164 } 4165 } else if (pkgSetting.firstInstallTime == 0) { 4166 // We need *something*. Take time time stamp of the file. 4167 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4168 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4169 if (scanFileTime != pkgSetting.timeStamp) { 4170 // A package on the system image has changed; consider this 4171 // to be an update. 4172 pkgSetting.lastUpdateTime = scanFileTime; 4173 } 4174 } 4175 4176 int N = pkg.providers.size(); 4177 StringBuilder r = null; 4178 int i; 4179 for (i=0; i<N; i++) { 4180 PackageParser.Provider p = pkg.providers.get(i); 4181 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 4182 p.info.processName, pkg.applicationInfo.uid); 4183 mProvidersByComponent.put(new ComponentName(p.info.packageName, 4184 p.info.name), p); 4185 p.syncable = p.info.isSyncable; 4186 if (p.info.authority != null) { 4187 String names[] = p.info.authority.split(";"); 4188 p.info.authority = null; 4189 for (int j = 0; j < names.length; j++) { 4190 if (j == 1 && p.syncable) { 4191 // We only want the first authority for a provider to possibly be 4192 // syncable, so if we already added this provider using a different 4193 // authority clear the syncable flag. We copy the provider before 4194 // changing it because the mProviders object contains a reference 4195 // to a provider that we don't want to change. 4196 // Only do this for the second authority since the resulting provider 4197 // object can be the same for all future authorities for this provider. 4198 p = new PackageParser.Provider(p); 4199 p.syncable = false; 4200 } 4201 if (!mProviders.containsKey(names[j])) { 4202 mProviders.put(names[j], p); 4203 if (p.info.authority == null) { 4204 p.info.authority = names[j]; 4205 } else { 4206 p.info.authority = p.info.authority + ";" + names[j]; 4207 } 4208 if (DEBUG_PACKAGE_SCANNING) { 4209 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4210 Log.d(TAG, "Registered content provider: " + names[j] 4211 + ", className = " + p.info.name + ", isSyncable = " 4212 + p.info.isSyncable); 4213 } 4214 } else { 4215 PackageParser.Provider other = mProviders.get(names[j]); 4216 Slog.w(TAG, "Skipping provider name " + names[j] + 4217 " (in package " + pkg.applicationInfo.packageName + 4218 "): name already used by " 4219 + ((other != null && other.getComponentName() != null) 4220 ? other.getComponentName().getPackageName() : "?")); 4221 } 4222 } 4223 } 4224 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4225 if (r == null) { 4226 r = new StringBuilder(256); 4227 } else { 4228 r.append(' '); 4229 } 4230 r.append(p.info.name); 4231 } 4232 } 4233 if (r != null) { 4234 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 4235 } 4236 4237 N = pkg.services.size(); 4238 r = null; 4239 for (i=0; i<N; i++) { 4240 PackageParser.Service s = pkg.services.get(i); 4241 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 4242 s.info.processName, pkg.applicationInfo.uid); 4243 mServices.addService(s); 4244 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4245 if (r == null) { 4246 r = new StringBuilder(256); 4247 } else { 4248 r.append(' '); 4249 } 4250 r.append(s.info.name); 4251 } 4252 } 4253 if (r != null) { 4254 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 4255 } 4256 4257 N = pkg.receivers.size(); 4258 r = null; 4259 for (i=0; i<N; i++) { 4260 PackageParser.Activity a = pkg.receivers.get(i); 4261 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4262 a.info.processName, pkg.applicationInfo.uid); 4263 mReceivers.addActivity(a, "receiver"); 4264 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4265 if (r == null) { 4266 r = new StringBuilder(256); 4267 } else { 4268 r.append(' '); 4269 } 4270 r.append(a.info.name); 4271 } 4272 } 4273 if (r != null) { 4274 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 4275 } 4276 4277 N = pkg.activities.size(); 4278 r = null; 4279 for (i=0; i<N; i++) { 4280 PackageParser.Activity a = pkg.activities.get(i); 4281 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4282 a.info.processName, pkg.applicationInfo.uid); 4283 mActivities.addActivity(a, "activity"); 4284 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4285 if (r == null) { 4286 r = new StringBuilder(256); 4287 } else { 4288 r.append(' '); 4289 } 4290 r.append(a.info.name); 4291 } 4292 } 4293 if (r != null) { 4294 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 4295 } 4296 4297 N = pkg.permissionGroups.size(); 4298 r = null; 4299 for (i=0; i<N; i++) { 4300 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 4301 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 4302 if (cur == null) { 4303 mPermissionGroups.put(pg.info.name, pg); 4304 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4305 if (r == null) { 4306 r = new StringBuilder(256); 4307 } else { 4308 r.append(' '); 4309 } 4310 r.append(pg.info.name); 4311 } 4312 } else { 4313 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 4314 + pg.info.packageName + " ignored: original from " 4315 + cur.info.packageName); 4316 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4317 if (r == null) { 4318 r = new StringBuilder(256); 4319 } else { 4320 r.append(' '); 4321 } 4322 r.append("DUP:"); 4323 r.append(pg.info.name); 4324 } 4325 } 4326 } 4327 if (r != null) { 4328 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 4329 } 4330 4331 N = pkg.permissions.size(); 4332 r = null; 4333 for (i=0; i<N; i++) { 4334 PackageParser.Permission p = pkg.permissions.get(i); 4335 HashMap<String, BasePermission> permissionMap = 4336 p.tree ? mSettings.mPermissionTrees 4337 : mSettings.mPermissions; 4338 p.group = mPermissionGroups.get(p.info.group); 4339 if (p.info.group == null || p.group != null) { 4340 BasePermission bp = permissionMap.get(p.info.name); 4341 if (bp == null) { 4342 bp = new BasePermission(p.info.name, p.info.packageName, 4343 BasePermission.TYPE_NORMAL); 4344 permissionMap.put(p.info.name, bp); 4345 } 4346 if (bp.perm == null) { 4347 if (bp.sourcePackage == null 4348 || bp.sourcePackage.equals(p.info.packageName)) { 4349 BasePermission tree = findPermissionTreeLP(p.info.name); 4350 if (tree == null 4351 || tree.sourcePackage.equals(p.info.packageName)) { 4352 bp.packageSetting = pkgSetting; 4353 bp.perm = p; 4354 bp.uid = pkg.applicationInfo.uid; 4355 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4356 if (r == null) { 4357 r = new StringBuilder(256); 4358 } else { 4359 r.append(' '); 4360 } 4361 r.append(p.info.name); 4362 } 4363 } else { 4364 Slog.w(TAG, "Permission " + p.info.name + " from package " 4365 + p.info.packageName + " ignored: base tree " 4366 + tree.name + " is from package " 4367 + tree.sourcePackage); 4368 } 4369 } else { 4370 Slog.w(TAG, "Permission " + p.info.name + " from package " 4371 + p.info.packageName + " ignored: original from " 4372 + bp.sourcePackage); 4373 } 4374 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4375 if (r == null) { 4376 r = new StringBuilder(256); 4377 } else { 4378 r.append(' '); 4379 } 4380 r.append("DUP:"); 4381 r.append(p.info.name); 4382 } 4383 if (bp.perm == p) { 4384 bp.protectionLevel = p.info.protectionLevel; 4385 } 4386 } else { 4387 Slog.w(TAG, "Permission " + p.info.name + " from package " 4388 + p.info.packageName + " ignored: no group " 4389 + p.group); 4390 } 4391 } 4392 if (r != null) { 4393 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 4394 } 4395 4396 N = pkg.instrumentation.size(); 4397 r = null; 4398 for (i=0; i<N; i++) { 4399 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 4400 a.info.packageName = pkg.applicationInfo.packageName; 4401 a.info.sourceDir = pkg.applicationInfo.sourceDir; 4402 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 4403 a.info.dataDir = pkg.applicationInfo.dataDir; 4404 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 4405 mInstrumentation.put(a.getComponentName(), a); 4406 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4407 if (r == null) { 4408 r = new StringBuilder(256); 4409 } else { 4410 r.append(' '); 4411 } 4412 r.append(a.info.name); 4413 } 4414 } 4415 if (r != null) { 4416 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 4417 } 4418 4419 if (pkg.protectedBroadcasts != null) { 4420 N = pkg.protectedBroadcasts.size(); 4421 for (i=0; i<N; i++) { 4422 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 4423 } 4424 } 4425 4426 pkgSetting.setTimeStamp(scanFileTime); 4427 } 4428 4429 return pkg; 4430 } 4431 4432 private void killApplication(String pkgName, int uid) { 4433 // Request the ActivityManager to kill the process(only for existing packages) 4434 // so that we do not end up in a confused state while the user is still using the older 4435 // version of the application while the new one gets installed. 4436 IActivityManager am = ActivityManagerNative.getDefault(); 4437 if (am != null) { 4438 try { 4439 am.killApplicationWithUid(pkgName, uid); 4440 } catch (RemoteException e) { 4441 } 4442 } 4443 } 4444 4445 void removePackageLI(PackageParser.Package pkg, boolean chatty) { 4446 if (DEBUG_INSTALL) { 4447 if (chatty) 4448 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 4449 } 4450 4451 // writer 4452 synchronized (mPackages) { 4453 mPackages.remove(pkg.applicationInfo.packageName); 4454 if (pkg.mPath != null) { 4455 mAppDirs.remove(pkg.mPath); 4456 } 4457 4458 int N = pkg.providers.size(); 4459 StringBuilder r = null; 4460 int i; 4461 for (i=0; i<N; i++) { 4462 PackageParser.Provider p = pkg.providers.get(i); 4463 mProvidersByComponent.remove(new ComponentName(p.info.packageName, 4464 p.info.name)); 4465 if (p.info.authority == null) { 4466 4467 /* The is another ContentProvider with this authority when 4468 * this app was installed so this authority is null, 4469 * Ignore it as we don't have to unregister the provider. 4470 */ 4471 continue; 4472 } 4473 String names[] = p.info.authority.split(";"); 4474 for (int j = 0; j < names.length; j++) { 4475 if (mProviders.get(names[j]) == p) { 4476 mProviders.remove(names[j]); 4477 if (DEBUG_REMOVE) { 4478 if (chatty) 4479 Log.d(TAG, "Unregistered content provider: " + names[j] 4480 + ", className = " + p.info.name + ", isSyncable = " 4481 + p.info.isSyncable); 4482 } 4483 } 4484 } 4485 if (chatty) { 4486 if (r == null) { 4487 r = new StringBuilder(256); 4488 } else { 4489 r.append(' '); 4490 } 4491 r.append(p.info.name); 4492 } 4493 } 4494 if (r != null) { 4495 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 4496 } 4497 4498 N = pkg.services.size(); 4499 r = null; 4500 for (i=0; i<N; i++) { 4501 PackageParser.Service s = pkg.services.get(i); 4502 mServices.removeService(s); 4503 if (chatty) { 4504 if (r == null) { 4505 r = new StringBuilder(256); 4506 } else { 4507 r.append(' '); 4508 } 4509 r.append(s.info.name); 4510 } 4511 } 4512 if (r != null) { 4513 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 4514 } 4515 4516 N = pkg.receivers.size(); 4517 r = null; 4518 for (i=0; i<N; i++) { 4519 PackageParser.Activity a = pkg.receivers.get(i); 4520 mReceivers.removeActivity(a, "receiver"); 4521 if (chatty) { 4522 if (r == null) { 4523 r = new StringBuilder(256); 4524 } else { 4525 r.append(' '); 4526 } 4527 r.append(a.info.name); 4528 } 4529 } 4530 if (r != null) { 4531 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 4532 } 4533 4534 N = pkg.activities.size(); 4535 r = null; 4536 for (i=0; i<N; i++) { 4537 PackageParser.Activity a = pkg.activities.get(i); 4538 mActivities.removeActivity(a, "activity"); 4539 if (chatty) { 4540 if (r == null) { 4541 r = new StringBuilder(256); 4542 } else { 4543 r.append(' '); 4544 } 4545 r.append(a.info.name); 4546 } 4547 } 4548 if (r != null) { 4549 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 4550 } 4551 4552 N = pkg.permissions.size(); 4553 r = null; 4554 for (i=0; i<N; i++) { 4555 PackageParser.Permission p = pkg.permissions.get(i); 4556 BasePermission bp = mSettings.mPermissions.get(p.info.name); 4557 if (bp == null) { 4558 bp = mSettings.mPermissionTrees.get(p.info.name); 4559 } 4560 if (bp != null && bp.perm == p) { 4561 bp.perm = null; 4562 if (chatty) { 4563 if (r == null) { 4564 r = new StringBuilder(256); 4565 } else { 4566 r.append(' '); 4567 } 4568 r.append(p.info.name); 4569 } 4570 } 4571 } 4572 if (r != null) { 4573 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 4574 } 4575 4576 N = pkg.instrumentation.size(); 4577 r = null; 4578 for (i=0; i<N; i++) { 4579 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 4580 mInstrumentation.remove(a.getComponentName()); 4581 if (chatty) { 4582 if (r == null) { 4583 r = new StringBuilder(256); 4584 } else { 4585 r.append(' '); 4586 } 4587 r.append(a.info.name); 4588 } 4589 } 4590 if (r != null) { 4591 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 4592 } 4593 } 4594 } 4595 4596 private static final boolean isPackageFilename(String name) { 4597 return name != null && name.endsWith(".apk"); 4598 } 4599 4600 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 4601 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 4602 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 4603 return true; 4604 } 4605 } 4606 return false; 4607 } 4608 4609 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 4610 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 4611 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 4612 4613 private void updatePermissionsLPw(String changingPkg, 4614 PackageParser.Package pkgInfo, int flags) { 4615 // Make sure there are no dangling permission trees. 4616 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 4617 while (it.hasNext()) { 4618 final BasePermission bp = it.next(); 4619 if (bp.packageSetting == null) { 4620 // We may not yet have parsed the package, so just see if 4621 // we still know about its settings. 4622 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 4623 } 4624 if (bp.packageSetting == null) { 4625 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 4626 + " from package " + bp.sourcePackage); 4627 it.remove(); 4628 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 4629 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 4630 Slog.i(TAG, "Removing old permission tree: " + bp.name 4631 + " from package " + bp.sourcePackage); 4632 flags |= UPDATE_PERMISSIONS_ALL; 4633 it.remove(); 4634 } 4635 } 4636 } 4637 4638 // Make sure all dynamic permissions have been assigned to a package, 4639 // and make sure there are no dangling permissions. 4640 it = mSettings.mPermissions.values().iterator(); 4641 while (it.hasNext()) { 4642 final BasePermission bp = it.next(); 4643 if (bp.type == BasePermission.TYPE_DYNAMIC) { 4644 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 4645 + bp.name + " pkg=" + bp.sourcePackage 4646 + " info=" + bp.pendingInfo); 4647 if (bp.packageSetting == null && bp.pendingInfo != null) { 4648 final BasePermission tree = findPermissionTreeLP(bp.name); 4649 if (tree != null && tree.perm != null) { 4650 bp.packageSetting = tree.packageSetting; 4651 bp.perm = new PackageParser.Permission(tree.perm.owner, 4652 new PermissionInfo(bp.pendingInfo)); 4653 bp.perm.info.packageName = tree.perm.info.packageName; 4654 bp.perm.info.name = bp.name; 4655 bp.uid = tree.uid; 4656 } 4657 } 4658 } 4659 if (bp.packageSetting == null) { 4660 // We may not yet have parsed the package, so just see if 4661 // we still know about its settings. 4662 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 4663 } 4664 if (bp.packageSetting == null) { 4665 Slog.w(TAG, "Removing dangling permission: " + bp.name 4666 + " from package " + bp.sourcePackage); 4667 it.remove(); 4668 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 4669 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 4670 Slog.i(TAG, "Removing old permission: " + bp.name 4671 + " from package " + bp.sourcePackage); 4672 flags |= UPDATE_PERMISSIONS_ALL; 4673 it.remove(); 4674 } 4675 } 4676 } 4677 4678 // Now update the permissions for all packages, in particular 4679 // replace the granted permissions of the system packages. 4680 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 4681 for (PackageParser.Package pkg : mPackages.values()) { 4682 if (pkg != pkgInfo) { 4683 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 4684 } 4685 } 4686 } 4687 4688 if (pkgInfo != null) { 4689 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 4690 } 4691 } 4692 4693 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 4694 final PackageSetting ps = (PackageSetting) pkg.mExtras; 4695 if (ps == null) { 4696 return; 4697 } 4698 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 4699 HashSet<String> origPermissions = gp.grantedPermissions; 4700 boolean changedPermission = false; 4701 4702 if (replace) { 4703 ps.permissionsFixed = false; 4704 if (gp == ps) { 4705 origPermissions = new HashSet<String>(gp.grantedPermissions); 4706 gp.grantedPermissions.clear(); 4707 gp.gids = mGlobalGids; 4708 } 4709 } 4710 4711 if (gp.gids == null) { 4712 gp.gids = mGlobalGids; 4713 } 4714 4715 final int N = pkg.requestedPermissions.size(); 4716 for (int i=0; i<N; i++) { 4717 final String name = pkg.requestedPermissions.get(i); 4718 //final boolean required = pkg.requestedPermssionsRequired.get(i); 4719 final BasePermission bp = mSettings.mPermissions.get(name); 4720 if (DEBUG_INSTALL) { 4721 if (gp != ps) { 4722 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 4723 } 4724 } 4725 if (bp != null && bp.packageSetting != null) { 4726 final String perm = bp.name; 4727 boolean allowed; 4728 boolean allowedSig = false; 4729 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 4730 if (level == PermissionInfo.PROTECTION_NORMAL 4731 || level == PermissionInfo.PROTECTION_DANGEROUS) { 4732 allowed = true; 4733 } else if (bp.packageSetting == null) { 4734 // This permission is invalid; skip it. 4735 allowed = false; 4736 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 4737 allowed = (compareSignatures( 4738 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 4739 == PackageManager.SIGNATURE_MATCH) 4740 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 4741 == PackageManager.SIGNATURE_MATCH); 4742 if (!allowed && (bp.protectionLevel 4743 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 4744 if (isSystemApp(pkg)) { 4745 // For updated system applications, a system permission 4746 // is granted only if it had been defined by the original application. 4747 if (isUpdatedSystemApp(pkg)) { 4748 final PackageSetting sysPs = mSettings 4749 .getDisabledSystemPkgLPr(pkg.packageName); 4750 final GrantedPermissions origGp = sysPs.sharedUser != null 4751 ? sysPs.sharedUser : sysPs; 4752 if (origGp.grantedPermissions.contains(perm)) { 4753 allowed = true; 4754 } else { 4755 allowed = false; 4756 } 4757 } else { 4758 allowed = true; 4759 } 4760 } 4761 } 4762 if (!allowed && (bp.protectionLevel 4763 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 4764 // For development permissions, a development permission 4765 // is granted only if it was already granted. 4766 if (origPermissions.contains(perm)) { 4767 allowed = true; 4768 } else { 4769 allowed = false; 4770 } 4771 } 4772 if (allowed) { 4773 allowedSig = true; 4774 } 4775 } else { 4776 allowed = false; 4777 } 4778 if (DEBUG_INSTALL) { 4779 if (gp != ps) { 4780 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 4781 } 4782 } 4783 if (allowed) { 4784 if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 4785 && ps.permissionsFixed) { 4786 // If this is an existing, non-system package, then 4787 // we can't add any new permissions to it. 4788 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 4789 allowed = false; 4790 // Except... if this is a permission that was added 4791 // to the platform (note: need to only do this when 4792 // updating the platform). 4793 final int NP = PackageParser.NEW_PERMISSIONS.length; 4794 for (int ip=0; ip<NP; ip++) { 4795 final PackageParser.NewPermissionInfo npi 4796 = PackageParser.NEW_PERMISSIONS[ip]; 4797 if (npi.name.equals(perm) 4798 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 4799 allowed = true; 4800 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 4801 + pkg.packageName); 4802 break; 4803 } 4804 } 4805 } 4806 } 4807 if (allowed) { 4808 if (!gp.grantedPermissions.contains(perm)) { 4809 changedPermission = true; 4810 gp.grantedPermissions.add(perm); 4811 gp.gids = appendInts(gp.gids, bp.gids); 4812 } else if (!ps.haveGids) { 4813 gp.gids = appendInts(gp.gids, bp.gids); 4814 } 4815 } else { 4816 Slog.w(TAG, "Not granting permission " + perm 4817 + " to package " + pkg.packageName 4818 + " because it was previously installed without"); 4819 } 4820 } else { 4821 if (gp.grantedPermissions.remove(perm)) { 4822 changedPermission = true; 4823 gp.gids = removeInts(gp.gids, bp.gids); 4824 Slog.i(TAG, "Un-granting permission " + perm 4825 + " from package " + pkg.packageName 4826 + " (protectionLevel=" + bp.protectionLevel 4827 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 4828 + ")"); 4829 } else { 4830 Slog.w(TAG, "Not granting permission " + perm 4831 + " to package " + pkg.packageName 4832 + " (protectionLevel=" + bp.protectionLevel 4833 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 4834 + ")"); 4835 } 4836 } 4837 } else { 4838 Slog.w(TAG, "Unknown permission " + name 4839 + " in package " + pkg.packageName); 4840 } 4841 } 4842 4843 if ((changedPermission || replace) && !ps.permissionsFixed && 4844 ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) || 4845 ((ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0)){ 4846 // This is the first that we have heard about this package, so the 4847 // permissions we have now selected are fixed until explicitly 4848 // changed. 4849 ps.permissionsFixed = true; 4850 } 4851 ps.haveGids = true; 4852 } 4853 4854 private final class ActivityIntentResolver 4855 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 4856 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 4857 boolean defaultOnly, int userId) { 4858 if (!sUserManager.exists(userId)) return null; 4859 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 4860 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 4861 } 4862 4863 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 4864 int userId) { 4865 if (!sUserManager.exists(userId)) return null; 4866 mFlags = flags; 4867 return super.queryIntent(intent, resolvedType, 4868 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 4869 } 4870 4871 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 4872 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 4873 if (!sUserManager.exists(userId)) return null; 4874 if (packageActivities == null) { 4875 return null; 4876 } 4877 mFlags = flags; 4878 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 4879 final int N = packageActivities.size(); 4880 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 4881 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 4882 4883 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 4884 for (int i = 0; i < N; ++i) { 4885 intentFilters = packageActivities.get(i).intents; 4886 if (intentFilters != null && intentFilters.size() > 0) { 4887 PackageParser.ActivityIntentInfo[] array = 4888 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 4889 intentFilters.toArray(array); 4890 listCut.add(array); 4891 } 4892 } 4893 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 4894 } 4895 4896 public final void addActivity(PackageParser.Activity a, String type) { 4897 final boolean systemApp = isSystemApp(a.info.applicationInfo); 4898 mActivities.put(a.getComponentName(), a); 4899 if (DEBUG_SHOW_INFO) 4900 Log.v( 4901 TAG, " " + type + " " + 4902 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 4903 if (DEBUG_SHOW_INFO) 4904 Log.v(TAG, " Class=" + a.info.name); 4905 final int NI = a.intents.size(); 4906 for (int j=0; j<NI; j++) { 4907 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 4908 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 4909 intent.setPriority(0); 4910 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 4911 + a.className + " with priority > 0, forcing to 0"); 4912 } 4913 if (DEBUG_SHOW_INFO) { 4914 Log.v(TAG, " IntentFilter:"); 4915 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 4916 } 4917 if (!intent.debugCheck()) { 4918 Log.w(TAG, "==> For Activity " + a.info.name); 4919 } 4920 addFilter(intent); 4921 } 4922 } 4923 4924 public final void removeActivity(PackageParser.Activity a, String type) { 4925 mActivities.remove(a.getComponentName()); 4926 if (DEBUG_SHOW_INFO) { 4927 Log.v(TAG, " " + type + " " 4928 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 4929 : a.info.name) + ":"); 4930 Log.v(TAG, " Class=" + a.info.name); 4931 } 4932 final int NI = a.intents.size(); 4933 for (int j=0; j<NI; j++) { 4934 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 4935 if (DEBUG_SHOW_INFO) { 4936 Log.v(TAG, " IntentFilter:"); 4937 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 4938 } 4939 removeFilter(intent); 4940 } 4941 } 4942 4943 @Override 4944 protected boolean allowFilterResult( 4945 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 4946 ActivityInfo filterAi = filter.activity.info; 4947 for (int i=dest.size()-1; i>=0; i--) { 4948 ActivityInfo destAi = dest.get(i).activityInfo; 4949 if (destAi.name == filterAi.name 4950 && destAi.packageName == filterAi.packageName) { 4951 return false; 4952 } 4953 } 4954 return true; 4955 } 4956 4957 @Override 4958 protected ActivityIntentInfo[] newArray(int size) { 4959 return new ActivityIntentInfo[size]; 4960 } 4961 4962 @Override 4963 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 4964 if (!sUserManager.exists(userId)) return true; 4965 PackageParser.Package p = filter.activity.owner; 4966 if (p != null) { 4967 PackageSetting ps = (PackageSetting)p.mExtras; 4968 if (ps != null) { 4969 // System apps are never considered stopped for purposes of 4970 // filtering, because there may be no way for the user to 4971 // actually re-launch them. 4972 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 4973 && ps.getStopped(userId); 4974 } 4975 } 4976 return false; 4977 } 4978 4979 @Override 4980 protected String packageForFilter(PackageParser.ActivityIntentInfo info) { 4981 return info.activity.owner.packageName; 4982 } 4983 4984 @Override 4985 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 4986 int match, int userId) { 4987 if (!sUserManager.exists(userId)) return null; 4988 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 4989 return null; 4990 } 4991 final PackageParser.Activity activity = info.activity; 4992 if (mSafeMode && (activity.info.applicationInfo.flags 4993 &ApplicationInfo.FLAG_SYSTEM) == 0) { 4994 return null; 4995 } 4996 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 4997 if (ps == null) { 4998 return null; 4999 } 5000 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 5001 ps.readUserState(userId), userId); 5002 if (ai == null) { 5003 return null; 5004 } 5005 final ResolveInfo res = new ResolveInfo(); 5006 res.activityInfo = ai; 5007 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 5008 res.filter = info; 5009 } 5010 res.priority = info.getPriority(); 5011 res.preferredOrder = activity.owner.mPreferredOrder; 5012 //System.out.println("Result: " + res.activityInfo.className + 5013 // " = " + res.priority); 5014 res.match = match; 5015 res.isDefault = info.hasDefault; 5016 res.labelRes = info.labelRes; 5017 res.nonLocalizedLabel = info.nonLocalizedLabel; 5018 res.icon = info.icon; 5019 res.system = isSystemApp(res.activityInfo.applicationInfo); 5020 return res; 5021 } 5022 5023 @Override 5024 protected void sortResults(List<ResolveInfo> results) { 5025 Collections.sort(results, mResolvePrioritySorter); 5026 } 5027 5028 @Override 5029 protected void dumpFilter(PrintWriter out, String prefix, 5030 PackageParser.ActivityIntentInfo filter) { 5031 out.print(prefix); out.print( 5032 Integer.toHexString(System.identityHashCode(filter.activity))); 5033 out.print(' '); 5034 out.print(filter.activity.getComponentShortName()); 5035 out.print(" filter "); 5036 out.println(Integer.toHexString(System.identityHashCode(filter))); 5037 } 5038 5039// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 5040// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 5041// final List<ResolveInfo> retList = Lists.newArrayList(); 5042// while (i.hasNext()) { 5043// final ResolveInfo resolveInfo = i.next(); 5044// if (isEnabledLP(resolveInfo.activityInfo)) { 5045// retList.add(resolveInfo); 5046// } 5047// } 5048// return retList; 5049// } 5050 5051 // Keys are String (activity class name), values are Activity. 5052 private final HashMap<ComponentName, PackageParser.Activity> mActivities 5053 = new HashMap<ComponentName, PackageParser.Activity>(); 5054 private int mFlags; 5055 } 5056 5057 private final class ServiceIntentResolver 5058 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 5059 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5060 boolean defaultOnly, int userId) { 5061 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5062 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5063 } 5064 5065 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5066 int userId) { 5067 if (!sUserManager.exists(userId)) return null; 5068 mFlags = flags; 5069 return super.queryIntent(intent, resolvedType, 5070 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5071 } 5072 5073 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5074 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 5075 if (!sUserManager.exists(userId)) return null; 5076 if (packageServices == null) { 5077 return null; 5078 } 5079 mFlags = flags; 5080 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5081 final int N = packageServices.size(); 5082 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 5083 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 5084 5085 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 5086 for (int i = 0; i < N; ++i) { 5087 intentFilters = packageServices.get(i).intents; 5088 if (intentFilters != null && intentFilters.size() > 0) { 5089 PackageParser.ServiceIntentInfo[] array = 5090 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 5091 intentFilters.toArray(array); 5092 listCut.add(array); 5093 } 5094 } 5095 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5096 } 5097 5098 public final void addService(PackageParser.Service s) { 5099 mServices.put(s.getComponentName(), s); 5100 if (DEBUG_SHOW_INFO) { 5101 Log.v(TAG, " " 5102 + (s.info.nonLocalizedLabel != null 5103 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5104 Log.v(TAG, " Class=" + s.info.name); 5105 } 5106 final int NI = s.intents.size(); 5107 int j; 5108 for (j=0; j<NI; j++) { 5109 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5110 if (DEBUG_SHOW_INFO) { 5111 Log.v(TAG, " IntentFilter:"); 5112 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5113 } 5114 if (!intent.debugCheck()) { 5115 Log.w(TAG, "==> For Service " + s.info.name); 5116 } 5117 addFilter(intent); 5118 } 5119 } 5120 5121 public final void removeService(PackageParser.Service s) { 5122 mServices.remove(s.getComponentName()); 5123 if (DEBUG_SHOW_INFO) { 5124 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 5125 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5126 Log.v(TAG, " Class=" + s.info.name); 5127 } 5128 final int NI = s.intents.size(); 5129 int j; 5130 for (j=0; j<NI; j++) { 5131 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5132 if (DEBUG_SHOW_INFO) { 5133 Log.v(TAG, " IntentFilter:"); 5134 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5135 } 5136 removeFilter(intent); 5137 } 5138 } 5139 5140 @Override 5141 protected boolean allowFilterResult( 5142 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 5143 ServiceInfo filterSi = filter.service.info; 5144 for (int i=dest.size()-1; i>=0; i--) { 5145 ServiceInfo destAi = dest.get(i).serviceInfo; 5146 if (destAi.name == filterSi.name 5147 && destAi.packageName == filterSi.packageName) { 5148 return false; 5149 } 5150 } 5151 return true; 5152 } 5153 5154 @Override 5155 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 5156 return new PackageParser.ServiceIntentInfo[size]; 5157 } 5158 5159 @Override 5160 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 5161 if (!sUserManager.exists(userId)) return true; 5162 PackageParser.Package p = filter.service.owner; 5163 if (p != null) { 5164 PackageSetting ps = (PackageSetting)p.mExtras; 5165 if (ps != null) { 5166 // System apps are never considered stopped for purposes of 5167 // filtering, because there may be no way for the user to 5168 // actually re-launch them. 5169 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 5170 && ps.getStopped(userId); 5171 } 5172 } 5173 return false; 5174 } 5175 5176 @Override 5177 protected String packageForFilter(PackageParser.ServiceIntentInfo info) { 5178 return info.service.owner.packageName; 5179 } 5180 5181 @Override 5182 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 5183 int match, int userId) { 5184 if (!sUserManager.exists(userId)) return null; 5185 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 5186 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 5187 return null; 5188 } 5189 final PackageParser.Service service = info.service; 5190 if (mSafeMode && (service.info.applicationInfo.flags 5191 &ApplicationInfo.FLAG_SYSTEM) == 0) { 5192 return null; 5193 } 5194 PackageSetting ps = (PackageSetting) service.owner.mExtras; 5195 if (ps == null) { 5196 return null; 5197 } 5198 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 5199 ps.readUserState(userId), userId); 5200 if (si == null) { 5201 return null; 5202 } 5203 final ResolveInfo res = new ResolveInfo(); 5204 res.serviceInfo = si; 5205 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 5206 res.filter = filter; 5207 } 5208 res.priority = info.getPriority(); 5209 res.preferredOrder = service.owner.mPreferredOrder; 5210 //System.out.println("Result: " + res.activityInfo.className + 5211 // " = " + res.priority); 5212 res.match = match; 5213 res.isDefault = info.hasDefault; 5214 res.labelRes = info.labelRes; 5215 res.nonLocalizedLabel = info.nonLocalizedLabel; 5216 res.icon = info.icon; 5217 res.system = isSystemApp(res.serviceInfo.applicationInfo); 5218 return res; 5219 } 5220 5221 @Override 5222 protected void sortResults(List<ResolveInfo> results) { 5223 Collections.sort(results, mResolvePrioritySorter); 5224 } 5225 5226 @Override 5227 protected void dumpFilter(PrintWriter out, String prefix, 5228 PackageParser.ServiceIntentInfo filter) { 5229 out.print(prefix); out.print( 5230 Integer.toHexString(System.identityHashCode(filter.service))); 5231 out.print(' '); 5232 out.print(filter.service.getComponentShortName()); 5233 out.print(" filter "); 5234 out.println(Integer.toHexString(System.identityHashCode(filter))); 5235 } 5236 5237// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 5238// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 5239// final List<ResolveInfo> retList = Lists.newArrayList(); 5240// while (i.hasNext()) { 5241// final ResolveInfo resolveInfo = (ResolveInfo) i; 5242// if (isEnabledLP(resolveInfo.serviceInfo)) { 5243// retList.add(resolveInfo); 5244// } 5245// } 5246// return retList; 5247// } 5248 5249 // Keys are String (activity class name), values are Activity. 5250 private final HashMap<ComponentName, PackageParser.Service> mServices 5251 = new HashMap<ComponentName, PackageParser.Service>(); 5252 private int mFlags; 5253 }; 5254 5255 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 5256 new Comparator<ResolveInfo>() { 5257 public int compare(ResolveInfo r1, ResolveInfo r2) { 5258 int v1 = r1.priority; 5259 int v2 = r2.priority; 5260 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 5261 if (v1 != v2) { 5262 return (v1 > v2) ? -1 : 1; 5263 } 5264 v1 = r1.preferredOrder; 5265 v2 = r2.preferredOrder; 5266 if (v1 != v2) { 5267 return (v1 > v2) ? -1 : 1; 5268 } 5269 if (r1.isDefault != r2.isDefault) { 5270 return r1.isDefault ? -1 : 1; 5271 } 5272 v1 = r1.match; 5273 v2 = r2.match; 5274 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 5275 if (v1 != v2) { 5276 return (v1 > v2) ? -1 : 1; 5277 } 5278 if (r1.system != r2.system) { 5279 return r1.system ? -1 : 1; 5280 } 5281 return 0; 5282 } 5283 }; 5284 5285 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 5286 new Comparator<ProviderInfo>() { 5287 public int compare(ProviderInfo p1, ProviderInfo p2) { 5288 final int v1 = p1.initOrder; 5289 final int v2 = p2.initOrder; 5290 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 5291 } 5292 }; 5293 5294 static final void sendPackageBroadcast(String action, String pkg, 5295 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 5296 int[] userIds) { 5297 IActivityManager am = ActivityManagerNative.getDefault(); 5298 if (am != null) { 5299 try { 5300 if (userIds == null) { 5301 userIds = sUserManager.getUserIds(); 5302 } 5303 for (int id : userIds) { 5304 final Intent intent = new Intent(action, 5305 pkg != null ? Uri.fromParts("package", pkg, null) : null); 5306 if (extras != null) { 5307 intent.putExtras(extras); 5308 } 5309 if (targetPkg != null) { 5310 intent.setPackage(targetPkg); 5311 } 5312 // Modify the UID when posting to other users 5313 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 5314 if (uid > 0 && UserHandle.getUserId(uid) != id) { 5315 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 5316 intent.putExtra(Intent.EXTRA_UID, uid); 5317 } 5318 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 5319 if (DEBUG_BROADCASTS) { 5320 RuntimeException here = new RuntimeException("here"); 5321 here.fillInStackTrace(); 5322 Slog.d(TAG, "Sending to user " + id + ": " 5323 + intent.toShortString(false, true, false, false) 5324 + " " + intent.getExtras(), here); 5325 } 5326 am.broadcastIntent(null, intent, null, finishedReceiver, 5327 0, null, null, null, finishedReceiver != null, false, id); 5328 } 5329 } catch (RemoteException ex) { 5330 } 5331 } 5332 } 5333 5334 /** 5335 * Check if the external storage media is available. This is true if there 5336 * is a mounted external storage medium or if the external storage is 5337 * emulated. 5338 */ 5339 private boolean isExternalMediaAvailable() { 5340 return mMediaMounted || Environment.isExternalStorageEmulated(); 5341 } 5342 5343 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 5344 // writer 5345 final int userId = UserHandle.getCallingUserId(); 5346 synchronized (mPackages) { 5347 if (!isExternalMediaAvailable()) { 5348 // If the external storage is no longer mounted at this point, 5349 // the caller may not have been able to delete all of this 5350 // packages files and can not delete any more. Bail. 5351 return null; 5352 } 5353 ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned.get(userId); 5354 if (pkgs != null) { 5355 if (lastPackage != null) { 5356 pkgs.remove(lastPackage); 5357 } 5358 if (pkgs.size() > 0) { 5359 return pkgs.get(0); 5360 } 5361 } 5362 mSettings.mPackagesToBeCleaned.remove(userId); 5363 } 5364 // Move on to the next user to clean. 5365 long ident = Binder.clearCallingIdentity(); 5366 try { 5367 startCleaningPackages(userId); 5368 } finally { 5369 Binder.restoreCallingIdentity(ident); 5370 } 5371 return null; 5372 } 5373 5374 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 5375 if (false) { 5376 RuntimeException here = new RuntimeException("here"); 5377 here.fillInStackTrace(); 5378 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 5379 + " andCode=" + andCode, here); 5380 } 5381 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 5382 userId, andCode ? 1 : 0, packageName)); 5383 } 5384 5385 void startCleaningPackages(int lastUser) { 5386 // reader 5387 int nextUser = -1; 5388 synchronized (mPackages) { 5389 if (!isExternalMediaAvailable()) { 5390 return; 5391 } 5392 final int N = mSettings.mPackagesToBeCleaned.size(); 5393 if (N <= 0) { 5394 return; 5395 } 5396 for (int i=0; i<N; i++) { 5397 int user = mSettings.mPackagesToBeCleaned.keyAt(i); 5398 if (user > lastUser) { 5399 nextUser = user; 5400 break; 5401 } 5402 } 5403 if (nextUser < 0) { 5404 nextUser = mSettings.mPackagesToBeCleaned.keyAt(0); 5405 } 5406 } 5407 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 5408 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 5409 IActivityManager am = ActivityManagerNative.getDefault(); 5410 if (am != null) { 5411 try { 5412 am.startService(null, intent, null, nextUser); 5413 } catch (RemoteException e) { 5414 } 5415 } 5416 } 5417 5418 private final class AppDirObserver extends FileObserver { 5419 public AppDirObserver(String path, int mask, boolean isrom) { 5420 super(path, mask); 5421 mRootDir = path; 5422 mIsRom = isrom; 5423 } 5424 5425 public void onEvent(int event, String path) { 5426 String removedPackage = null; 5427 int removedUid = -1; 5428 int[] removedUsers = null; 5429 String addedPackage = null; 5430 int addedUid = -1; 5431 int[] addedUsers = null; 5432 5433 // TODO post a message to the handler to obtain serial ordering 5434 synchronized (mInstallLock) { 5435 String fullPathStr = null; 5436 File fullPath = null; 5437 if (path != null) { 5438 fullPath = new File(mRootDir, path); 5439 fullPathStr = fullPath.getPath(); 5440 } 5441 5442 if (DEBUG_APP_DIR_OBSERVER) 5443 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 5444 5445 if (!isPackageFilename(path)) { 5446 if (DEBUG_APP_DIR_OBSERVER) 5447 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 5448 return; 5449 } 5450 5451 // Ignore packages that are being installed or 5452 // have just been installed. 5453 if (ignoreCodePath(fullPathStr)) { 5454 return; 5455 } 5456 PackageParser.Package p = null; 5457 // reader 5458 synchronized (mPackages) { 5459 p = mAppDirs.get(fullPathStr); 5460 if (p != null) { 5461 PackageSetting ps = mSettings.mPackages.get(p.applicationInfo.packageName); 5462 if (ps != null) { 5463 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 5464 } else { 5465 removedUsers = sUserManager.getUserIds(); 5466 } 5467 } 5468 addedUsers = sUserManager.getUserIds(); 5469 } 5470 if ((event&REMOVE_EVENTS) != 0) { 5471 if (p != null) { 5472 removePackageLI(p, true); 5473 removedPackage = p.applicationInfo.packageName; 5474 removedUid = p.applicationInfo.uid; 5475 } 5476 } 5477 5478 if ((event&ADD_EVENTS) != 0) { 5479 if (p == null) { 5480 p = scanPackageLI(fullPath, 5481 (mIsRom ? PackageParser.PARSE_IS_SYSTEM 5482 | PackageParser.PARSE_IS_SYSTEM_DIR: 0) | 5483 PackageParser.PARSE_CHATTY | 5484 PackageParser.PARSE_MUST_BE_APK, 5485 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 5486 System.currentTimeMillis(), UserHandle.ALL); 5487 if (p != null) { 5488 /* 5489 * TODO this seems dangerous as the package may have 5490 * changed since we last acquired the mPackages 5491 * lock. 5492 */ 5493 // writer 5494 synchronized (mPackages) { 5495 updatePermissionsLPw(p.packageName, p, 5496 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 5497 } 5498 addedPackage = p.applicationInfo.packageName; 5499 addedUid = p.applicationInfo.uid; 5500 } 5501 } 5502 } 5503 5504 // reader 5505 synchronized (mPackages) { 5506 mSettings.writeLPr(); 5507 } 5508 } 5509 5510 if (removedPackage != null) { 5511 Bundle extras = new Bundle(1); 5512 extras.putInt(Intent.EXTRA_UID, removedUid); 5513 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 5514 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 5515 extras, null, null, removedUsers); 5516 } 5517 if (addedPackage != null) { 5518 Bundle extras = new Bundle(1); 5519 extras.putInt(Intent.EXTRA_UID, addedUid); 5520 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 5521 extras, null, null, addedUsers); 5522 } 5523 } 5524 5525 private final String mRootDir; 5526 private final boolean mIsRom; 5527 } 5528 5529 /* Called when a downloaded package installation has been confirmed by the user */ 5530 public void installPackage( 5531 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 5532 installPackage(packageURI, observer, flags, null); 5533 } 5534 5535 /* Called when a downloaded package installation has been confirmed by the user */ 5536 public void installPackage( 5537 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 5538 final String installerPackageName) { 5539 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 5540 null, null); 5541 } 5542 5543 @Override 5544 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 5545 int flags, String installerPackageName, Uri verificationURI, 5546 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 5547 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 5548 manifestDigest); 5549 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 5550 installerPackageName, verificationParams, encryptionParams); 5551 } 5552 5553 public void installPackageWithVerificationAndEncryption(Uri packageURI, 5554 IPackageInstallObserver observer, int flags, String installerPackageName, 5555 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 5556 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 5557 null); 5558 5559 final int uid = Binder.getCallingUid(); 5560 UserHandle user; 5561 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 5562 user = UserHandle.ALL; 5563 } else { 5564 user = new UserHandle(UserHandle.getUserId(uid)); 5565 } 5566 5567 final int filteredFlags; 5568 5569 if (uid == Process.SHELL_UID || uid == 0) { 5570 if (DEBUG_INSTALL) { 5571 Slog.v(TAG, "Install from ADB"); 5572 } 5573 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 5574 } else { 5575 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 5576 } 5577 5578 final Message msg = mHandler.obtainMessage(INIT_COPY); 5579 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 5580 verificationParams, encryptionParams, user); 5581 mHandler.sendMessage(msg); 5582 } 5583 5584 /** 5585 * @hide 5586 */ 5587 @Override 5588 public int installExistingPackage(String packageName) { 5589 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 5590 null); 5591 PackageSetting pkgSetting; 5592 final int uid = Binder.getCallingUid(); 5593 final int userId = UserHandle.getUserId(uid); 5594 5595 long callingId = Binder.clearCallingIdentity(); 5596 try { 5597 boolean sendAdded = false; 5598 Bundle extras = new Bundle(1); 5599 5600 // writer 5601 synchronized (mPackages) { 5602 pkgSetting = mSettings.mPackages.get(packageName); 5603 if (pkgSetting == null) { 5604 return PackageManager.INSTALL_FAILED_INVALID_URI; 5605 } 5606 if (!pkgSetting.getInstalled(userId)) { 5607 pkgSetting.setInstalled(true, userId); 5608 mSettings.writePackageRestrictionsLPr(userId); 5609 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 5610 sendAdded = true; 5611 } 5612 } 5613 5614 if (sendAdded) { 5615 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 5616 packageName, extras, null, null, new int[] {userId}); 5617 } 5618 } finally { 5619 Binder.restoreCallingIdentity(callingId); 5620 } 5621 5622 return PackageManager.INSTALL_SUCCEEDED; 5623 } 5624 5625 @Override 5626 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 5627 mContext.enforceCallingOrSelfPermission( 5628 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 5629 "Only package verification agents can verify applications"); 5630 5631 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 5632 final PackageVerificationResponse response = new PackageVerificationResponse( 5633 verificationCode, Binder.getCallingUid()); 5634 msg.arg1 = id; 5635 msg.obj = response; 5636 mHandler.sendMessage(msg); 5637 } 5638 5639 @Override 5640 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 5641 long millisecondsToDelay) { 5642 mContext.enforceCallingOrSelfPermission( 5643 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 5644 "Only package verification agents can extend verification timeouts"); 5645 5646 final PackageVerificationState state = mPendingVerification.get(id); 5647 final PackageVerificationResponse response = new PackageVerificationResponse( 5648 verificationCodeAtTimeout, Binder.getCallingUid()); 5649 5650 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 5651 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 5652 } 5653 if (millisecondsToDelay < 0) { 5654 millisecondsToDelay = 0; 5655 } 5656 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 5657 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 5658 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 5659 } 5660 5661 if ((state != null) && !state.timeoutExtended()) { 5662 state.extendTimeout(); 5663 5664 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 5665 msg.arg1 = id; 5666 msg.obj = response; 5667 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 5668 } 5669 } 5670 5671 private void broadcastPackageVerified(int verificationId, Uri packageUri, 5672 int verificationCode) { 5673 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 5674 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 5675 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 5676 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 5677 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 5678 5679 mContext.sendBroadcast(intent, android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 5680 } 5681 5682 private ComponentName matchComponentForVerifier(String packageName, 5683 List<ResolveInfo> receivers) { 5684 ActivityInfo targetReceiver = null; 5685 5686 final int NR = receivers.size(); 5687 for (int i = 0; i < NR; i++) { 5688 final ResolveInfo info = receivers.get(i); 5689 if (info.activityInfo == null) { 5690 continue; 5691 } 5692 5693 if (packageName.equals(info.activityInfo.packageName)) { 5694 targetReceiver = info.activityInfo; 5695 break; 5696 } 5697 } 5698 5699 if (targetReceiver == null) { 5700 return null; 5701 } 5702 5703 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 5704 } 5705 5706 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 5707 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 5708 if (pkgInfo.verifiers.length == 0) { 5709 return null; 5710 } 5711 5712 final int N = pkgInfo.verifiers.length; 5713 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 5714 for (int i = 0; i < N; i++) { 5715 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 5716 5717 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 5718 receivers); 5719 if (comp == null) { 5720 continue; 5721 } 5722 5723 final int verifierUid = getUidForVerifier(verifierInfo); 5724 if (verifierUid == -1) { 5725 continue; 5726 } 5727 5728 if (DEBUG_VERIFY) { 5729 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 5730 + " with the correct signature"); 5731 } 5732 sufficientVerifiers.add(comp); 5733 verificationState.addSufficientVerifier(verifierUid); 5734 } 5735 5736 return sufficientVerifiers; 5737 } 5738 5739 private int getUidForVerifier(VerifierInfo verifierInfo) { 5740 synchronized (mPackages) { 5741 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 5742 if (pkg == null) { 5743 return -1; 5744 } else if (pkg.mSignatures.length != 1) { 5745 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 5746 + " has more than one signature; ignoring"); 5747 return -1; 5748 } 5749 5750 /* 5751 * If the public key of the package's signature does not match 5752 * our expected public key, then this is a different package and 5753 * we should skip. 5754 */ 5755 5756 final byte[] expectedPublicKey; 5757 try { 5758 final Signature verifierSig = pkg.mSignatures[0]; 5759 final PublicKey publicKey = verifierSig.getPublicKey(); 5760 expectedPublicKey = publicKey.getEncoded(); 5761 } catch (CertificateException e) { 5762 return -1; 5763 } 5764 5765 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 5766 5767 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 5768 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 5769 + " does not have the expected public key; ignoring"); 5770 return -1; 5771 } 5772 5773 return pkg.applicationInfo.uid; 5774 } 5775 } 5776 5777 public void finishPackageInstall(int token) { 5778 enforceSystemOrRoot("Only the system is allowed to finish installs"); 5779 5780 if (DEBUG_INSTALL) { 5781 Slog.v(TAG, "BM finishing package install for " + token); 5782 } 5783 5784 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 5785 mHandler.sendMessage(msg); 5786 } 5787 5788 /** 5789 * Get the verification agent timeout. 5790 * 5791 * @return verification timeout in milliseconds 5792 */ 5793 private long getVerificationTimeout() { 5794 return android.provider.Settings.Secure.getLong(mContext.getContentResolver(), 5795 android.provider.Settings.Secure.PACKAGE_VERIFIER_TIMEOUT, 5796 DEFAULT_VERIFICATION_TIMEOUT); 5797 } 5798 5799 /** 5800 * Get the default verification agent response code. 5801 * 5802 * @return default verification response code 5803 */ 5804 private int getDefaultVerificationResponse() { 5805 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 5806 android.provider.Settings.Secure.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 5807 DEFAULT_VERIFICATION_RESPONSE); 5808 } 5809 5810 /** 5811 * Check whether or not package verification has been enabled. 5812 * 5813 * @return true if verification should be performed 5814 */ 5815 private boolean isVerificationEnabled() { 5816 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 5817 android.provider.Settings.Secure.PACKAGE_VERIFIER_ENABLE, 5818 DEFAULT_VERIFY_ENABLE ? 1 : 0) == 1 ? true : false; 5819 } 5820 5821 /** 5822 * Get the "allow unknown sources" setting. 5823 * 5824 * @return the current "allow unknown sources" setting 5825 */ 5826 private int getUnknownSourcesSettings() { 5827 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 5828 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 5829 -1); 5830 } 5831 5832 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 5833 final int uid = Binder.getCallingUid(); 5834 // writer 5835 synchronized (mPackages) { 5836 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 5837 if (targetPackageSetting == null) { 5838 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 5839 } 5840 5841 PackageSetting installerPackageSetting; 5842 if (installerPackageName != null) { 5843 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 5844 if (installerPackageSetting == null) { 5845 throw new IllegalArgumentException("Unknown installer package: " 5846 + installerPackageName); 5847 } 5848 } else { 5849 installerPackageSetting = null; 5850 } 5851 5852 Signature[] callerSignature; 5853 Object obj = mSettings.getUserIdLPr(uid); 5854 if (obj != null) { 5855 if (obj instanceof SharedUserSetting) { 5856 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 5857 } else if (obj instanceof PackageSetting) { 5858 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 5859 } else { 5860 throw new SecurityException("Bad object " + obj + " for uid " + uid); 5861 } 5862 } else { 5863 throw new SecurityException("Unknown calling uid " + uid); 5864 } 5865 5866 // Verify: can't set installerPackageName to a package that is 5867 // not signed with the same cert as the caller. 5868 if (installerPackageSetting != null) { 5869 if (compareSignatures(callerSignature, 5870 installerPackageSetting.signatures.mSignatures) 5871 != PackageManager.SIGNATURE_MATCH) { 5872 throw new SecurityException( 5873 "Caller does not have same cert as new installer package " 5874 + installerPackageName); 5875 } 5876 } 5877 5878 // Verify: if target already has an installer package, it must 5879 // be signed with the same cert as the caller. 5880 if (targetPackageSetting.installerPackageName != null) { 5881 PackageSetting setting = mSettings.mPackages.get( 5882 targetPackageSetting.installerPackageName); 5883 // If the currently set package isn't valid, then it's always 5884 // okay to change it. 5885 if (setting != null) { 5886 if (compareSignatures(callerSignature, 5887 setting.signatures.mSignatures) 5888 != PackageManager.SIGNATURE_MATCH) { 5889 throw new SecurityException( 5890 "Caller does not have same cert as old installer package " 5891 + targetPackageSetting.installerPackageName); 5892 } 5893 } 5894 } 5895 5896 // Okay! 5897 targetPackageSetting.installerPackageName = installerPackageName; 5898 scheduleWriteSettingsLocked(); 5899 } 5900 } 5901 5902 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 5903 // Queue up an async operation since the package installation may take a little while. 5904 mHandler.post(new Runnable() { 5905 public void run() { 5906 mHandler.removeCallbacks(this); 5907 // Result object to be returned 5908 PackageInstalledInfo res = new PackageInstalledInfo(); 5909 res.returnCode = currentStatus; 5910 res.uid = -1; 5911 res.pkg = null; 5912 res.removedInfo = new PackageRemovedInfo(); 5913 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 5914 args.doPreInstall(res.returnCode); 5915 synchronized (mInstallLock) { 5916 installPackageLI(args, true, res); 5917 } 5918 args.doPostInstall(res.returnCode, res.uid); 5919 } 5920 5921 // A restore should be performed at this point if (a) the install 5922 // succeeded, (b) the operation is not an update, and (c) the new 5923 // package has a backupAgent defined. 5924 final boolean update = res.removedInfo.removedPackage != null; 5925 boolean doRestore = (!update 5926 && res.pkg != null 5927 && res.pkg.applicationInfo.backupAgentName != null); 5928 5929 // Set up the post-install work request bookkeeping. This will be used 5930 // and cleaned up by the post-install event handling regardless of whether 5931 // there's a restore pass performed. Token values are >= 1. 5932 int token; 5933 if (mNextInstallToken < 0) mNextInstallToken = 1; 5934 token = mNextInstallToken++; 5935 5936 PostInstallData data = new PostInstallData(args, res); 5937 mRunningInstalls.put(token, data); 5938 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 5939 5940 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 5941 // Pass responsibility to the Backup Manager. It will perform a 5942 // restore if appropriate, then pass responsibility back to the 5943 // Package Manager to run the post-install observer callbacks 5944 // and broadcasts. 5945 IBackupManager bm = IBackupManager.Stub.asInterface( 5946 ServiceManager.getService(Context.BACKUP_SERVICE)); 5947 if (bm != null) { 5948 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 5949 + " to BM for possible restore"); 5950 try { 5951 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 5952 } catch (RemoteException e) { 5953 // can't happen; the backup manager is local 5954 } catch (Exception e) { 5955 Slog.e(TAG, "Exception trying to enqueue restore", e); 5956 doRestore = false; 5957 } 5958 } else { 5959 Slog.e(TAG, "Backup Manager not found!"); 5960 doRestore = false; 5961 } 5962 } 5963 5964 if (!doRestore) { 5965 // No restore possible, or the Backup Manager was mysteriously not 5966 // available -- just fire the post-install work request directly. 5967 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 5968 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 5969 mHandler.sendMessage(msg); 5970 } 5971 } 5972 }); 5973 } 5974 5975 private abstract class HandlerParams { 5976 private static final int MAX_RETRIES = 4; 5977 5978 /** 5979 * Number of times startCopy() has been attempted and had a non-fatal 5980 * error. 5981 */ 5982 private int mRetries = 0; 5983 5984 /** User handle for the user requesting the information or installation. */ 5985 private final UserHandle mUser; 5986 5987 HandlerParams(UserHandle user) { 5988 mUser = user; 5989 } 5990 5991 UserHandle getUser() { 5992 return mUser; 5993 } 5994 5995 final boolean startCopy() { 5996 boolean res; 5997 try { 5998 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy"); 5999 6000 if (++mRetries > MAX_RETRIES) { 6001 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 6002 mHandler.sendEmptyMessage(MCS_GIVE_UP); 6003 handleServiceError(); 6004 return false; 6005 } else { 6006 handleStartCopy(); 6007 res = true; 6008 } 6009 } catch (RemoteException e) { 6010 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 6011 mHandler.sendEmptyMessage(MCS_RECONNECT); 6012 res = false; 6013 } 6014 handleReturnCode(); 6015 return res; 6016 } 6017 6018 final void serviceError() { 6019 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 6020 handleServiceError(); 6021 handleReturnCode(); 6022 } 6023 6024 abstract void handleStartCopy() throws RemoteException; 6025 abstract void handleServiceError(); 6026 abstract void handleReturnCode(); 6027 } 6028 6029 class MeasureParams extends HandlerParams { 6030 private final PackageStats mStats; 6031 private boolean mSuccess; 6032 6033 private final IPackageStatsObserver mObserver; 6034 6035 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 6036 super(new UserHandle(stats.userHandle)); 6037 mObserver = observer; 6038 mStats = stats; 6039 } 6040 6041 @Override 6042 void handleStartCopy() throws RemoteException { 6043 synchronized (mInstallLock) { 6044 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 6045 } 6046 6047 final boolean mounted; 6048 if (Environment.isExternalStorageEmulated()) { 6049 mounted = true; 6050 } else { 6051 final String status = Environment.getExternalStorageState(); 6052 6053 mounted = status.equals(Environment.MEDIA_MOUNTED) 6054 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 6055 } 6056 6057 if (mounted) { 6058 final File externalCacheDir = Environment 6059 .getExternalStorageAppCacheDirectory(mStats.packageName); 6060 final long externalCacheSize = mContainerService 6061 .calculateDirectorySize(externalCacheDir.getPath()); 6062 mStats.externalCacheSize = externalCacheSize; 6063 6064 final File externalDataDir = Environment 6065 .getExternalStorageAppDataDirectory(mStats.packageName); 6066 long externalDataSize = mContainerService.calculateDirectorySize(externalDataDir 6067 .getPath()); 6068 6069 if (externalCacheDir.getParentFile().equals(externalDataDir)) { 6070 externalDataSize -= externalCacheSize; 6071 } 6072 mStats.externalDataSize = externalDataSize; 6073 6074 final File externalMediaDir = Environment 6075 .getExternalStorageAppMediaDirectory(mStats.packageName); 6076 mStats.externalMediaSize = mContainerService 6077 .calculateDirectorySize(externalMediaDir.getPath()); 6078 6079 final File externalObbDir = Environment 6080 .getExternalStorageAppObbDirectory(mStats.packageName); 6081 mStats.externalObbSize = mContainerService.calculateDirectorySize(externalObbDir 6082 .getPath()); 6083 } 6084 } 6085 6086 @Override 6087 void handleReturnCode() { 6088 if (mObserver != null) { 6089 try { 6090 mObserver.onGetStatsCompleted(mStats, mSuccess); 6091 } catch (RemoteException e) { 6092 Slog.i(TAG, "Observer no longer exists."); 6093 } 6094 } 6095 } 6096 6097 @Override 6098 void handleServiceError() { 6099 Slog.e(TAG, "Could not measure application " + mStats.packageName 6100 + " external storage"); 6101 } 6102 } 6103 6104 class InstallParams extends HandlerParams { 6105 final IPackageInstallObserver observer; 6106 int flags; 6107 6108 private final Uri mPackageURI; 6109 final String installerPackageName; 6110 final VerificationParams verificationParams; 6111 private InstallArgs mArgs; 6112 private int mRet; 6113 private File mTempPackage; 6114 final ContainerEncryptionParams encryptionParams; 6115 6116 InstallParams(Uri packageURI, 6117 IPackageInstallObserver observer, int flags, 6118 String installerPackageName, VerificationParams verificationParams, 6119 ContainerEncryptionParams encryptionParams, UserHandle user) { 6120 super(user); 6121 this.mPackageURI = packageURI; 6122 this.flags = flags; 6123 this.observer = observer; 6124 this.installerPackageName = installerPackageName; 6125 this.verificationParams = verificationParams; 6126 this.encryptionParams = encryptionParams; 6127 } 6128 6129 public ManifestDigest getManifestDigest() { 6130 if (verificationParams == null) { 6131 return null; 6132 } 6133 return verificationParams.getManifestDigest(); 6134 } 6135 6136 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 6137 String packageName = pkgLite.packageName; 6138 int installLocation = pkgLite.installLocation; 6139 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 6140 // reader 6141 synchronized (mPackages) { 6142 PackageParser.Package pkg = mPackages.get(packageName); 6143 if (pkg != null) { 6144 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 6145 // Check for downgrading. 6146 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 6147 if (pkgLite.versionCode < pkg.mVersionCode) { 6148 Slog.w(TAG, "Can't install update of " + packageName 6149 + " update version " + pkgLite.versionCode 6150 + " is older than installed version " 6151 + pkg.mVersionCode); 6152 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 6153 } 6154 } 6155 // Check for updated system application. 6156 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 6157 if (onSd) { 6158 Slog.w(TAG, "Cannot install update to system app on sdcard"); 6159 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 6160 } 6161 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 6162 } else { 6163 if (onSd) { 6164 // Install flag overrides everything. 6165 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 6166 } 6167 // If current upgrade specifies particular preference 6168 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 6169 // Application explicitly specified internal. 6170 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 6171 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 6172 // App explictly prefers external. Let policy decide 6173 } else { 6174 // Prefer previous location 6175 if (isExternal(pkg)) { 6176 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 6177 } 6178 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 6179 } 6180 } 6181 } else { 6182 // Invalid install. Return error code 6183 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 6184 } 6185 } 6186 } 6187 // All the special cases have been taken care of. 6188 // Return result based on recommended install location. 6189 if (onSd) { 6190 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 6191 } 6192 return pkgLite.recommendedInstallLocation; 6193 } 6194 6195 /* 6196 * Invoke remote method to get package information and install 6197 * location values. Override install location based on default 6198 * policy if needed and then create install arguments based 6199 * on the install location. 6200 */ 6201 public void handleStartCopy() throws RemoteException { 6202 int ret = PackageManager.INSTALL_SUCCEEDED; 6203 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 6204 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 6205 PackageInfoLite pkgLite = null; 6206 6207 if (onInt && onSd) { 6208 // Check if both bits are set. 6209 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 6210 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 6211 } else { 6212 final long lowThreshold; 6213 6214 final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager 6215 .getService(DeviceStorageMonitorService.SERVICE); 6216 if (dsm == null) { 6217 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 6218 lowThreshold = 0L; 6219 } else { 6220 lowThreshold = dsm.getMemoryLowThreshold(); 6221 } 6222 6223 try { 6224 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 6225 Intent.FLAG_GRANT_READ_URI_PERMISSION); 6226 6227 final File packageFile; 6228 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 6229 ParcelFileDescriptor out = null; 6230 6231 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 6232 if (mTempPackage != null) { 6233 try { 6234 out = ParcelFileDescriptor.open(mTempPackage, 6235 ParcelFileDescriptor.MODE_READ_WRITE); 6236 } catch (FileNotFoundException e) { 6237 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 6238 } 6239 6240 // Make a temporary file for decryption. 6241 ret = mContainerService 6242 .copyResource(mPackageURI, encryptionParams, out); 6243 6244 packageFile = mTempPackage; 6245 6246 FileUtils.setPermissions(packageFile.getAbsolutePath(), 6247 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IROTH, 6248 -1, -1); 6249 } else { 6250 packageFile = null; 6251 } 6252 } else { 6253 packageFile = new File(mPackageURI.getPath()); 6254 } 6255 6256 if (packageFile != null) { 6257 // Remote call to find out default install location 6258 pkgLite = mContainerService.getMinimalPackageInfo( 6259 packageFile.getAbsolutePath(), flags, lowThreshold); 6260 } 6261 } finally { 6262 mContext.revokeUriPermission(mPackageURI, 6263 Intent.FLAG_GRANT_READ_URI_PERMISSION); 6264 } 6265 } 6266 6267 if (ret == PackageManager.INSTALL_SUCCEEDED) { 6268 int loc = pkgLite.recommendedInstallLocation; 6269 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 6270 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 6271 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 6272 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 6273 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 6274 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6275 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 6276 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 6277 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 6278 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 6279 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 6280 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 6281 } else if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 6282 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 6283 } else { 6284 // Override with defaults if needed. 6285 loc = installLocationPolicy(pkgLite, flags); 6286 if (!onSd && !onInt) { 6287 // Override install location with flags 6288 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 6289 // Set the flag to install on external media. 6290 flags |= PackageManager.INSTALL_EXTERNAL; 6291 flags &= ~PackageManager.INSTALL_INTERNAL; 6292 } else { 6293 // Make sure the flag for installing on external 6294 // media is unset 6295 flags |= PackageManager.INSTALL_INTERNAL; 6296 flags &= ~PackageManager.INSTALL_EXTERNAL; 6297 } 6298 } 6299 } 6300 } 6301 6302 final InstallArgs args = createInstallArgs(this); 6303 mArgs = args; 6304 6305 if (ret == PackageManager.INSTALL_SUCCEEDED) { 6306 /* 6307 * Determine if we have any installed package verifiers. If we 6308 * do, then we'll defer to them to verify the packages. 6309 */ 6310 final int requiredUid = mRequiredVerifierPackage == null ? -1 6311 : getPackageUid(mRequiredVerifierPackage, 0); 6312 if (requiredUid != -1 && isVerificationEnabled()) { 6313 final Intent verification = new Intent( 6314 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 6315 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 6316 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6317 6318 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 6319 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 6320 0 /* TODO: Which userId? */); 6321 6322 if (DEBUG_VERIFY) { 6323 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 6324 + verification.toString() + " with " + pkgLite.verifiers.length 6325 + " optional verifiers"); 6326 } 6327 6328 final int verificationId = mPendingVerificationToken++; 6329 6330 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 6331 6332 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 6333 installerPackageName); 6334 6335 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 6336 6337 if (verificationParams != null) { 6338 if (verificationParams.getVerificationURI() != null) { 6339 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 6340 verificationParams.getVerificationURI()); 6341 } 6342 if (verificationParams.getOriginatingURI() != null) { 6343 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 6344 verificationParams.getOriginatingURI()); 6345 } 6346 if (verificationParams.getReferrer() != null) { 6347 verification.putExtra(Intent.EXTRA_REFERRER, 6348 verificationParams.getReferrer()); 6349 } 6350 } 6351 6352 final PackageVerificationState verificationState = new PackageVerificationState( 6353 requiredUid, args); 6354 6355 mPendingVerification.append(verificationId, verificationState); 6356 6357 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 6358 receivers, verificationState); 6359 6360 /* 6361 * If any sufficient verifiers were listed in the package 6362 * manifest, attempt to ask them. 6363 */ 6364 if (sufficientVerifiers != null) { 6365 final int N = sufficientVerifiers.size(); 6366 if (N == 0) { 6367 Slog.i(TAG, "Additional verifiers required, but none installed."); 6368 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 6369 } else { 6370 for (int i = 0; i < N; i++) { 6371 final ComponentName verifierComponent = sufficientVerifiers.get(i); 6372 6373 final Intent sufficientIntent = new Intent(verification); 6374 sufficientIntent.setComponent(verifierComponent); 6375 6376 mContext.sendBroadcast(sufficientIntent); 6377 } 6378 } 6379 } 6380 6381 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 6382 mRequiredVerifierPackage, receivers); 6383 if (ret == PackageManager.INSTALL_SUCCEEDED 6384 && mRequiredVerifierPackage != null) { 6385 /* 6386 * Send the intent to the required verification agent, 6387 * but only start the verification timeout after the 6388 * target BroadcastReceivers have run. 6389 */ 6390 verification.setComponent(requiredVerifierComponent); 6391 mContext.sendOrderedBroadcast(verification, 6392 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6393 new BroadcastReceiver() { 6394 @Override 6395 public void onReceive(Context context, Intent intent) { 6396 final Message msg = mHandler 6397 .obtainMessage(CHECK_PENDING_VERIFICATION); 6398 msg.arg1 = verificationId; 6399 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 6400 } 6401 }, null, 0, null, null); 6402 6403 /* 6404 * We don't want the copy to proceed until verification 6405 * succeeds, so null out this field. 6406 */ 6407 mArgs = null; 6408 } 6409 } else { 6410 /* 6411 * No package verification is enabled, so immediately start 6412 * the remote call to initiate copy using temporary file. 6413 */ 6414 ret = args.copyApk(mContainerService, true); 6415 } 6416 } 6417 6418 mRet = ret; 6419 } 6420 6421 @Override 6422 void handleReturnCode() { 6423 // If mArgs is null, then MCS couldn't be reached. When it 6424 // reconnects, it will try again to install. At that point, this 6425 // will succeed. 6426 if (mArgs != null) { 6427 processPendingInstall(mArgs, mRet); 6428 } 6429 6430 if (mTempPackage != null) { 6431 if (!mTempPackage.delete()) { 6432 Slog.w(TAG, "Couldn't delete temporary file: " 6433 + mTempPackage.getAbsolutePath()); 6434 } 6435 } 6436 } 6437 6438 @Override 6439 void handleServiceError() { 6440 mArgs = createInstallArgs(this); 6441 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 6442 } 6443 6444 public boolean isForwardLocked() { 6445 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 6446 } 6447 6448 public Uri getPackageUri() { 6449 if (mTempPackage != null) { 6450 return Uri.fromFile(mTempPackage); 6451 } else { 6452 return mPackageURI; 6453 } 6454 } 6455 } 6456 6457 /* 6458 * Utility class used in movePackage api. 6459 * srcArgs and targetArgs are not set for invalid flags and make 6460 * sure to do null checks when invoking methods on them. 6461 * We probably want to return ErrorPrams for both failed installs 6462 * and moves. 6463 */ 6464 class MoveParams extends HandlerParams { 6465 final IPackageMoveObserver observer; 6466 final int flags; 6467 final String packageName; 6468 final InstallArgs srcArgs; 6469 final InstallArgs targetArgs; 6470 int uid; 6471 int mRet; 6472 6473 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 6474 String packageName, String dataDir, int uid, UserHandle user) { 6475 super(user); 6476 this.srcArgs = srcArgs; 6477 this.observer = observer; 6478 this.flags = flags; 6479 this.packageName = packageName; 6480 this.uid = uid; 6481 if (srcArgs != null) { 6482 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 6483 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 6484 } else { 6485 targetArgs = null; 6486 } 6487 } 6488 6489 public void handleStartCopy() throws RemoteException { 6490 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6491 // Check for storage space on target medium 6492 if (!targetArgs.checkFreeStorage(mContainerService)) { 6493 Log.w(TAG, "Insufficient storage to install"); 6494 return; 6495 } 6496 6497 mRet = srcArgs.doPreCopy(); 6498 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 6499 return; 6500 } 6501 6502 mRet = targetArgs.copyApk(mContainerService, false); 6503 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 6504 srcArgs.doPostCopy(uid); 6505 return; 6506 } 6507 6508 mRet = srcArgs.doPostCopy(uid); 6509 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 6510 return; 6511 } 6512 6513 mRet = targetArgs.doPreInstall(mRet); 6514 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 6515 return; 6516 } 6517 6518 if (DEBUG_SD_INSTALL) { 6519 StringBuilder builder = new StringBuilder(); 6520 if (srcArgs != null) { 6521 builder.append("src: "); 6522 builder.append(srcArgs.getCodePath()); 6523 } 6524 if (targetArgs != null) { 6525 builder.append(" target : "); 6526 builder.append(targetArgs.getCodePath()); 6527 } 6528 Log.i(TAG, builder.toString()); 6529 } 6530 } 6531 6532 @Override 6533 void handleReturnCode() { 6534 targetArgs.doPostInstall(mRet, uid); 6535 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 6536 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 6537 currentStatus = PackageManager.MOVE_SUCCEEDED; 6538 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 6539 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 6540 } 6541 processPendingMove(this, currentStatus); 6542 } 6543 6544 @Override 6545 void handleServiceError() { 6546 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 6547 } 6548 } 6549 6550 /** 6551 * Used during creation of InstallArgs 6552 * 6553 * @param flags package installation flags 6554 * @return true if should be installed on external storage 6555 */ 6556 private static boolean installOnSd(int flags) { 6557 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 6558 return false; 6559 } 6560 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 6561 return true; 6562 } 6563 return false; 6564 } 6565 6566 /** 6567 * Used during creation of InstallArgs 6568 * 6569 * @param flags package installation flags 6570 * @return true if should be installed as forward locked 6571 */ 6572 private static boolean installForwardLocked(int flags) { 6573 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 6574 } 6575 6576 private InstallArgs createInstallArgs(InstallParams params) { 6577 if (installOnSd(params.flags) || params.isForwardLocked()) { 6578 return new AsecInstallArgs(params); 6579 } else { 6580 return new FileInstallArgs(params); 6581 } 6582 } 6583 6584 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 6585 String nativeLibraryPath) { 6586 final boolean isInAsec; 6587 if (installOnSd(flags)) { 6588 /* Apps on SD card are always in ASEC containers. */ 6589 isInAsec = true; 6590 } else if (installForwardLocked(flags) 6591 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 6592 /* 6593 * Forward-locked apps are only in ASEC containers if they're the 6594 * new style 6595 */ 6596 isInAsec = true; 6597 } else { 6598 isInAsec = false; 6599 } 6600 6601 if (isInAsec) { 6602 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 6603 installOnSd(flags), installForwardLocked(flags)); 6604 } else { 6605 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 6606 } 6607 } 6608 6609 // Used by package mover 6610 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 6611 if (installOnSd(flags) || installForwardLocked(flags)) { 6612 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 6613 + AsecInstallArgs.RES_FILE_NAME); 6614 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 6615 installForwardLocked(flags)); 6616 } else { 6617 return new FileInstallArgs(packageURI, pkgName, dataDir); 6618 } 6619 } 6620 6621 static abstract class InstallArgs { 6622 final IPackageInstallObserver observer; 6623 // Always refers to PackageManager flags only 6624 final int flags; 6625 final Uri packageURI; 6626 final String installerPackageName; 6627 final ManifestDigest manifestDigest; 6628 final UserHandle user; 6629 6630 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 6631 String installerPackageName, ManifestDigest manifestDigest, 6632 UserHandle user) { 6633 this.packageURI = packageURI; 6634 this.flags = flags; 6635 this.observer = observer; 6636 this.installerPackageName = installerPackageName; 6637 this.manifestDigest = manifestDigest; 6638 this.user = user; 6639 } 6640 6641 abstract void createCopyFile(); 6642 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 6643 abstract int doPreInstall(int status); 6644 abstract boolean doRename(int status, String pkgName, String oldCodePath); 6645 6646 abstract int doPostInstall(int status, int uid); 6647 abstract String getCodePath(); 6648 abstract String getResourcePath(); 6649 abstract String getNativeLibraryPath(); 6650 // Need installer lock especially for dex file removal. 6651 abstract void cleanUpResourcesLI(); 6652 abstract boolean doPostDeleteLI(boolean delete); 6653 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 6654 6655 /** 6656 * Called before the source arguments are copied. This is used mostly 6657 * for MoveParams when it needs to read the source file to put it in the 6658 * destination. 6659 */ 6660 int doPreCopy() { 6661 return PackageManager.INSTALL_SUCCEEDED; 6662 } 6663 6664 /** 6665 * Called after the source arguments are copied. This is used mostly for 6666 * MoveParams when it needs to read the source file to put it in the 6667 * destination. 6668 * 6669 * @return 6670 */ 6671 int doPostCopy(int uid) { 6672 return PackageManager.INSTALL_SUCCEEDED; 6673 } 6674 6675 protected boolean isFwdLocked() { 6676 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 6677 } 6678 } 6679 6680 class FileInstallArgs extends InstallArgs { 6681 File installDir; 6682 String codeFileName; 6683 String resourceFileName; 6684 String libraryPath; 6685 boolean created = false; 6686 6687 FileInstallArgs(InstallParams params) { 6688 super(params.getPackageUri(), params.observer, params.flags, 6689 params.installerPackageName, params.getManifestDigest(), 6690 params.getUser()); 6691 } 6692 6693 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 6694 super(null, null, 0, null, null, null); 6695 File codeFile = new File(fullCodePath); 6696 installDir = codeFile.getParentFile(); 6697 codeFileName = fullCodePath; 6698 resourceFileName = fullResourcePath; 6699 libraryPath = nativeLibraryPath; 6700 } 6701 6702 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 6703 super(packageURI, null, 0, null, null, null); 6704 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 6705 String apkName = getNextCodePath(null, pkgName, ".apk"); 6706 codeFileName = new File(installDir, apkName + ".apk").getPath(); 6707 resourceFileName = getResourcePathFromCodePath(); 6708 libraryPath = new File(dataDir, LIB_DIR_NAME).getPath(); 6709 } 6710 6711 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 6712 final long lowThreshold; 6713 6714 final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager 6715 .getService(DeviceStorageMonitorService.SERVICE); 6716 if (dsm == null) { 6717 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 6718 lowThreshold = 0L; 6719 } else { 6720 if (dsm.isMemoryLow()) { 6721 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 6722 return false; 6723 } 6724 6725 lowThreshold = dsm.getMemoryLowThreshold(); 6726 } 6727 6728 try { 6729 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 6730 Intent.FLAG_GRANT_READ_URI_PERMISSION); 6731 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 6732 } finally { 6733 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 6734 } 6735 } 6736 6737 String getCodePath() { 6738 return codeFileName; 6739 } 6740 6741 void createCopyFile() { 6742 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 6743 codeFileName = createTempPackageFile(installDir).getPath(); 6744 resourceFileName = getResourcePathFromCodePath(); 6745 created = true; 6746 } 6747 6748 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 6749 if (temp) { 6750 // Generate temp file name 6751 createCopyFile(); 6752 } 6753 // Get a ParcelFileDescriptor to write to the output file 6754 File codeFile = new File(codeFileName); 6755 if (!created) { 6756 try { 6757 codeFile.createNewFile(); 6758 // Set permissions 6759 if (!setPermissions()) { 6760 // Failed setting permissions. 6761 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6762 } 6763 } catch (IOException e) { 6764 Slog.w(TAG, "Failed to create file " + codeFile); 6765 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6766 } 6767 } 6768 ParcelFileDescriptor out = null; 6769 try { 6770 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 6771 } catch (FileNotFoundException e) { 6772 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 6773 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6774 } 6775 // Copy the resource now 6776 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6777 try { 6778 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 6779 Intent.FLAG_GRANT_READ_URI_PERMISSION); 6780 ret = imcs.copyResource(packageURI, null, out); 6781 } finally { 6782 IoUtils.closeQuietly(out); 6783 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 6784 } 6785 6786 if (isFwdLocked()) { 6787 final File destResourceFile = new File(getResourcePath()); 6788 6789 // Copy the public files 6790 try { 6791 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 6792 } catch (IOException e) { 6793 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 6794 + " forward-locked app."); 6795 destResourceFile.delete(); 6796 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 6797 } 6798 } 6799 return ret; 6800 } 6801 6802 int doPreInstall(int status) { 6803 if (status != PackageManager.INSTALL_SUCCEEDED) { 6804 cleanUp(); 6805 } 6806 return status; 6807 } 6808 6809 boolean doRename(int status, final String pkgName, String oldCodePath) { 6810 if (status != PackageManager.INSTALL_SUCCEEDED) { 6811 cleanUp(); 6812 return false; 6813 } else { 6814 final File oldCodeFile = new File(getCodePath()); 6815 final File oldResourceFile = new File(getResourcePath()); 6816 6817 // Rename APK file based on packageName 6818 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 6819 final File newCodeFile = new File(installDir, apkName + ".apk"); 6820 if (!oldCodeFile.renameTo(newCodeFile)) { 6821 return false; 6822 } 6823 codeFileName = newCodeFile.getPath(); 6824 6825 // Rename public resource file if it's forward-locked. 6826 final File newResFile = new File(getResourcePathFromCodePath()); 6827 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 6828 return false; 6829 } 6830 resourceFileName = getResourcePathFromCodePath(); 6831 6832 // Attempt to set permissions 6833 if (!setPermissions()) { 6834 return false; 6835 } 6836 6837 if (!SELinux.restorecon(newCodeFile)) { 6838 return false; 6839 } 6840 6841 return true; 6842 } 6843 } 6844 6845 int doPostInstall(int status, int uid) { 6846 if (status != PackageManager.INSTALL_SUCCEEDED) { 6847 cleanUp(); 6848 } 6849 return status; 6850 } 6851 6852 String getResourcePath() { 6853 return resourceFileName; 6854 } 6855 6856 private String getResourcePathFromCodePath() { 6857 final String codePath = getCodePath(); 6858 if (isFwdLocked()) { 6859 final StringBuilder sb = new StringBuilder(); 6860 6861 sb.append(mAppInstallDir.getPath()); 6862 sb.append('/'); 6863 sb.append(getApkName(codePath)); 6864 sb.append(".zip"); 6865 6866 /* 6867 * If our APK is a temporary file, mark the resource as a 6868 * temporary file as well so it can be cleaned up after 6869 * catastrophic failure. 6870 */ 6871 if (codePath.endsWith(".tmp")) { 6872 sb.append(".tmp"); 6873 } 6874 6875 return sb.toString(); 6876 } else { 6877 return codePath; 6878 } 6879 } 6880 6881 @Override 6882 String getNativeLibraryPath() { 6883 return libraryPath; 6884 } 6885 6886 private boolean cleanUp() { 6887 boolean ret = true; 6888 String sourceDir = getCodePath(); 6889 String publicSourceDir = getResourcePath(); 6890 if (sourceDir != null) { 6891 File sourceFile = new File(sourceDir); 6892 if (!sourceFile.exists()) { 6893 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 6894 ret = false; 6895 } 6896 // Delete application's code and resources 6897 sourceFile.delete(); 6898 } 6899 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 6900 final File publicSourceFile = new File(publicSourceDir); 6901 if (!publicSourceFile.exists()) { 6902 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 6903 } 6904 if (publicSourceFile.exists()) { 6905 publicSourceFile.delete(); 6906 } 6907 } 6908 return ret; 6909 } 6910 6911 void cleanUpResourcesLI() { 6912 String sourceDir = getCodePath(); 6913 if (cleanUp()) { 6914 int retCode = mInstaller.rmdex(sourceDir); 6915 if (retCode < 0) { 6916 Slog.w(TAG, "Couldn't remove dex file for package: " 6917 + " at location " 6918 + sourceDir + ", retcode=" + retCode); 6919 // we don't consider this to be a failure of the core package deletion 6920 } 6921 } 6922 } 6923 6924 private boolean setPermissions() { 6925 // TODO Do this in a more elegant way later on. for now just a hack 6926 if (!isFwdLocked()) { 6927 final int filePermissions = 6928 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 6929 |FileUtils.S_IROTH; 6930 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 6931 if (retCode != 0) { 6932 Slog.e(TAG, "Couldn't set new package file permissions for " + 6933 getCodePath() 6934 + ". The return code was: " + retCode); 6935 // TODO Define new internal error 6936 return false; 6937 } 6938 return true; 6939 } 6940 return true; 6941 } 6942 6943 boolean doPostDeleteLI(boolean delete) { 6944 // XXX err, shouldn't we respect the delete flag? 6945 cleanUpResourcesLI(); 6946 return true; 6947 } 6948 } 6949 6950 private boolean isAsecExternal(String cid) { 6951 final String asecPath = PackageHelper.getSdFilesystem(cid); 6952 return !asecPath.startsWith(mAsecInternalPath); 6953 } 6954 6955 /** 6956 * Extract the MountService "container ID" from the full code path of an 6957 * .apk. 6958 */ 6959 static String cidFromCodePath(String fullCodePath) { 6960 int eidx = fullCodePath.lastIndexOf("/"); 6961 String subStr1 = fullCodePath.substring(0, eidx); 6962 int sidx = subStr1.lastIndexOf("/"); 6963 return subStr1.substring(sidx+1, eidx); 6964 } 6965 6966 class AsecInstallArgs extends InstallArgs { 6967 static final String RES_FILE_NAME = "pkg.apk"; 6968 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 6969 6970 String cid; 6971 String packagePath; 6972 String resourcePath; 6973 String libraryPath; 6974 6975 AsecInstallArgs(InstallParams params) { 6976 super(params.getPackageUri(), params.observer, params.flags, 6977 params.installerPackageName, params.getManifestDigest(), 6978 params.getUser()); 6979 } 6980 6981 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 6982 boolean isExternal, boolean isForwardLocked) { 6983 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 6984 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 6985 null, null, null); 6986 // Extract cid from fullCodePath 6987 int eidx = fullCodePath.lastIndexOf("/"); 6988 String subStr1 = fullCodePath.substring(0, eidx); 6989 int sidx = subStr1.lastIndexOf("/"); 6990 cid = subStr1.substring(sidx+1, eidx); 6991 setCachePath(subStr1); 6992 } 6993 6994 AsecInstallArgs(String cid, boolean isForwardLocked) { 6995 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 6996 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 6997 null, null, null); 6998 this.cid = cid; 6999 setCachePath(PackageHelper.getSdDir(cid)); 7000 } 7001 7002 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 7003 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 7004 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 7005 null, null, null); 7006 this.cid = cid; 7007 } 7008 7009 void createCopyFile() { 7010 cid = getTempContainerId(); 7011 } 7012 7013 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 7014 try { 7015 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 7016 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7017 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 7018 } finally { 7019 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 7020 } 7021 } 7022 7023 private final boolean isExternal() { 7024 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7025 } 7026 7027 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 7028 if (temp) { 7029 createCopyFile(); 7030 } else { 7031 /* 7032 * Pre-emptively destroy the container since it's destroyed if 7033 * copying fails due to it existing anyway. 7034 */ 7035 PackageHelper.destroySdDir(cid); 7036 } 7037 7038 final String newCachePath; 7039 try { 7040 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 7041 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7042 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 7043 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 7044 } finally { 7045 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 7046 } 7047 7048 if (newCachePath != null) { 7049 setCachePath(newCachePath); 7050 return PackageManager.INSTALL_SUCCEEDED; 7051 } else { 7052 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 7053 } 7054 } 7055 7056 @Override 7057 String getCodePath() { 7058 return packagePath; 7059 } 7060 7061 @Override 7062 String getResourcePath() { 7063 return resourcePath; 7064 } 7065 7066 @Override 7067 String getNativeLibraryPath() { 7068 return libraryPath; 7069 } 7070 7071 int doPreInstall(int status) { 7072 if (status != PackageManager.INSTALL_SUCCEEDED) { 7073 // Destroy container 7074 PackageHelper.destroySdDir(cid); 7075 } else { 7076 boolean mounted = PackageHelper.isContainerMounted(cid); 7077 if (!mounted) { 7078 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 7079 Process.SYSTEM_UID); 7080 if (newCachePath != null) { 7081 setCachePath(newCachePath); 7082 } else { 7083 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 7084 } 7085 } 7086 } 7087 return status; 7088 } 7089 7090 boolean doRename(int status, final String pkgName, 7091 String oldCodePath) { 7092 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 7093 String newCachePath = null; 7094 if (PackageHelper.isContainerMounted(cid)) { 7095 // Unmount the container 7096 if (!PackageHelper.unMountSdDir(cid)) { 7097 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 7098 return false; 7099 } 7100 } 7101 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 7102 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 7103 " which might be stale. Will try to clean up."); 7104 // Clean up the stale container and proceed to recreate. 7105 if (!PackageHelper.destroySdDir(newCacheId)) { 7106 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 7107 return false; 7108 } 7109 // Successfully cleaned up stale container. Try to rename again. 7110 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 7111 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 7112 + " inspite of cleaning it up."); 7113 return false; 7114 } 7115 } 7116 if (!PackageHelper.isContainerMounted(newCacheId)) { 7117 Slog.w(TAG, "Mounting container " + newCacheId); 7118 newCachePath = PackageHelper.mountSdDir(newCacheId, 7119 getEncryptKey(), Process.SYSTEM_UID); 7120 } else { 7121 newCachePath = PackageHelper.getSdDir(newCacheId); 7122 } 7123 if (newCachePath == null) { 7124 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 7125 return false; 7126 } 7127 Log.i(TAG, "Succesfully renamed " + cid + 7128 " to " + newCacheId + 7129 " at new path: " + newCachePath); 7130 cid = newCacheId; 7131 setCachePath(newCachePath); 7132 return true; 7133 } 7134 7135 private void setCachePath(String newCachePath) { 7136 File cachePath = new File(newCachePath); 7137 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 7138 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 7139 7140 if (isFwdLocked()) { 7141 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 7142 } else { 7143 resourcePath = packagePath; 7144 } 7145 } 7146 7147 int doPostInstall(int status, int uid) { 7148 if (status != PackageManager.INSTALL_SUCCEEDED) { 7149 cleanUp(); 7150 } else { 7151 final int groupOwner; 7152 final String protectedFile; 7153 if (isFwdLocked()) { 7154 groupOwner = uid; 7155 protectedFile = RES_FILE_NAME; 7156 } else { 7157 groupOwner = -1; 7158 protectedFile = null; 7159 } 7160 7161 if (uid < Process.FIRST_APPLICATION_UID 7162 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 7163 Slog.e(TAG, "Failed to finalize " + cid); 7164 PackageHelper.destroySdDir(cid); 7165 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 7166 } 7167 7168 boolean mounted = PackageHelper.isContainerMounted(cid); 7169 if (!mounted) { 7170 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 7171 } 7172 } 7173 return status; 7174 } 7175 7176 private void cleanUp() { 7177 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 7178 7179 // Destroy secure container 7180 PackageHelper.destroySdDir(cid); 7181 } 7182 7183 void cleanUpResourcesLI() { 7184 String sourceFile = getCodePath(); 7185 // Remove dex file 7186 int retCode = mInstaller.rmdex(sourceFile); 7187 if (retCode < 0) { 7188 Slog.w(TAG, "Couldn't remove dex file for package: " 7189 + " at location " 7190 + sourceFile.toString() + ", retcode=" + retCode); 7191 // we don't consider this to be a failure of the core package deletion 7192 } 7193 cleanUp(); 7194 } 7195 7196 boolean matchContainer(String app) { 7197 if (cid.startsWith(app)) { 7198 return true; 7199 } 7200 return false; 7201 } 7202 7203 String getPackageName() { 7204 return getAsecPackageName(cid); 7205 } 7206 7207 boolean doPostDeleteLI(boolean delete) { 7208 boolean ret = false; 7209 boolean mounted = PackageHelper.isContainerMounted(cid); 7210 if (mounted) { 7211 // Unmount first 7212 ret = PackageHelper.unMountSdDir(cid); 7213 } 7214 if (ret && delete) { 7215 cleanUpResourcesLI(); 7216 } 7217 return ret; 7218 } 7219 7220 @Override 7221 int doPreCopy() { 7222 if (isFwdLocked()) { 7223 if (!PackageHelper.fixSdPermissions(cid, 7224 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 7225 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 7226 } 7227 } 7228 7229 return PackageManager.INSTALL_SUCCEEDED; 7230 } 7231 7232 @Override 7233 int doPostCopy(int uid) { 7234 if (isFwdLocked()) { 7235 if (uid < Process.FIRST_APPLICATION_UID 7236 || !PackageHelper.fixSdPermissions(cid, uid, RES_FILE_NAME)) { 7237 Slog.e(TAG, "Failed to finalize " + cid); 7238 PackageHelper.destroySdDir(cid); 7239 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 7240 } 7241 } 7242 7243 return PackageManager.INSTALL_SUCCEEDED; 7244 } 7245 }; 7246 7247 static String getAsecPackageName(String packageCid) { 7248 int idx = packageCid.lastIndexOf("-"); 7249 if (idx == -1) { 7250 return packageCid; 7251 } 7252 return packageCid.substring(0, idx); 7253 } 7254 7255 // Utility method used to create code paths based on package name and available index. 7256 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 7257 String idxStr = ""; 7258 int idx = 1; 7259 // Fall back to default value of idx=1 if prefix is not 7260 // part of oldCodePath 7261 if (oldCodePath != null) { 7262 String subStr = oldCodePath; 7263 // Drop the suffix right away 7264 if (subStr.endsWith(suffix)) { 7265 subStr = subStr.substring(0, subStr.length() - suffix.length()); 7266 } 7267 // If oldCodePath already contains prefix find out the 7268 // ending index to either increment or decrement. 7269 int sidx = subStr.lastIndexOf(prefix); 7270 if (sidx != -1) { 7271 subStr = subStr.substring(sidx + prefix.length()); 7272 if (subStr != null) { 7273 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 7274 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 7275 } 7276 try { 7277 idx = Integer.parseInt(subStr); 7278 if (idx <= 1) { 7279 idx++; 7280 } else { 7281 idx--; 7282 } 7283 } catch(NumberFormatException e) { 7284 } 7285 } 7286 } 7287 } 7288 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 7289 return prefix + idxStr; 7290 } 7291 7292 // Utility method used to ignore ADD/REMOVE events 7293 // by directory observer. 7294 private static boolean ignoreCodePath(String fullPathStr) { 7295 String apkName = getApkName(fullPathStr); 7296 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 7297 if (idx != -1 && ((idx+1) < apkName.length())) { 7298 // Make sure the package ends with a numeral 7299 String version = apkName.substring(idx+1); 7300 try { 7301 Integer.parseInt(version); 7302 return true; 7303 } catch (NumberFormatException e) {} 7304 } 7305 return false; 7306 } 7307 7308 // Utility method that returns the relative package path with respect 7309 // to the installation directory. Like say for /data/data/com.test-1.apk 7310 // string com.test-1 is returned. 7311 static String getApkName(String codePath) { 7312 if (codePath == null) { 7313 return null; 7314 } 7315 int sidx = codePath.lastIndexOf("/"); 7316 int eidx = codePath.lastIndexOf("."); 7317 if (eidx == -1) { 7318 eidx = codePath.length(); 7319 } else if (eidx == 0) { 7320 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 7321 return null; 7322 } 7323 return codePath.substring(sidx+1, eidx); 7324 } 7325 7326 class PackageInstalledInfo { 7327 String name; 7328 int uid; 7329 // The set of users that originally had this package installed. 7330 int[] origUsers; 7331 // The set of users that now have this package installed. 7332 int[] newUsers; 7333 PackageParser.Package pkg; 7334 int returnCode; 7335 PackageRemovedInfo removedInfo; 7336 } 7337 7338 /* 7339 * Install a non-existing package. 7340 */ 7341 private void installNewPackageLI(PackageParser.Package pkg, 7342 int parseFlags, int scanMode, UserHandle user, 7343 String installerPackageName, PackageInstalledInfo res) { 7344 // Remember this for later, in case we need to rollback this install 7345 String pkgName = pkg.packageName; 7346 7347 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 7348 synchronized(mPackages) { 7349 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 7350 // A package with the same name is already installed, though 7351 // it has been renamed to an older name. The package we 7352 // are trying to install should be installed as an update to 7353 // the existing one, but that has not been requested, so bail. 7354 Slog.w(TAG, "Attempt to re-install " + pkgName 7355 + " without first uninstalling package running as " 7356 + mSettings.mRenamedPackages.get(pkgName)); 7357 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7358 return; 7359 } 7360 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 7361 // Don't allow installation over an existing package with the same name. 7362 Slog.w(TAG, "Attempt to re-install " + pkgName 7363 + " without first uninstalling."); 7364 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7365 return; 7366 } 7367 } 7368 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 7369 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 7370 System.currentTimeMillis(), user); 7371 if (newPackage == null) { 7372 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 7373 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 7374 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 7375 } 7376 } else { 7377 updateSettingsLI(newPackage, 7378 installerPackageName, 7379 res); 7380 // delete the partially installed application. the data directory will have to be 7381 // restored if it was already existing 7382 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 7383 // remove package from internal structures. Note that we want deletePackageX to 7384 // delete the package data and cache directories that it created in 7385 // scanPackageLocked, unless those directories existed before we even tried to 7386 // install. 7387 deletePackageLI(pkgName, UserHandle.ALL, false, 7388 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 7389 res.removedInfo, true); 7390 } 7391 } 7392 } 7393 7394 private void replacePackageLI(PackageParser.Package pkg, 7395 int parseFlags, int scanMode, UserHandle user, 7396 String installerPackageName, PackageInstalledInfo res) { 7397 7398 PackageParser.Package oldPackage; 7399 String pkgName = pkg.packageName; 7400 // First find the old package info and check signatures 7401 synchronized(mPackages) { 7402 oldPackage = mPackages.get(pkgName); 7403 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 7404 != PackageManager.SIGNATURE_MATCH) { 7405 Slog.w(TAG, "New package has a different signature: " + pkgName); 7406 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 7407 return; 7408 } 7409 } 7410 boolean sysPkg = (isSystemApp(oldPackage)); 7411 if (sysPkg) { 7412 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 7413 user, installerPackageName, res); 7414 } else { 7415 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 7416 user, installerPackageName, res); 7417 } 7418 } 7419 7420 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 7421 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 7422 String installerPackageName, PackageInstalledInfo res) { 7423 PackageParser.Package newPackage = null; 7424 String pkgName = deletedPackage.packageName; 7425 boolean deletedPkg = true; 7426 boolean updatedSettings = false; 7427 7428 long origUpdateTime; 7429 if (pkg.mExtras != null) { 7430 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 7431 } else { 7432 origUpdateTime = 0; 7433 } 7434 7435 // First delete the existing package while retaining the data directory 7436 if (!deletePackageLI(pkgName, null, true, PackageManager.DELETE_KEEP_DATA, 7437 res.removedInfo, true)) { 7438 // If the existing package wasn't successfully deleted 7439 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 7440 deletedPkg = false; 7441 } else { 7442 // Successfully deleted the old package. Now proceed with re-installation 7443 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 7444 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 7445 System.currentTimeMillis(), user); 7446 if (newPackage == null) { 7447 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 7448 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 7449 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 7450 } 7451 } else { 7452 updateSettingsLI(newPackage, 7453 installerPackageName, 7454 res); 7455 updatedSettings = true; 7456 } 7457 } 7458 7459 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 7460 // remove package from internal structures. Note that we want deletePackageX to 7461 // delete the package data and cache directories that it created in 7462 // scanPackageLocked, unless those directories existed before we even tried to 7463 // install. 7464 if(updatedSettings) { 7465 deletePackageLI( 7466 pkgName, null, true, 7467 PackageManager.DELETE_KEEP_DATA, 7468 res.removedInfo, true); 7469 } 7470 // Since we failed to install the new package we need to restore the old 7471 // package that we deleted. 7472 if(deletedPkg) { 7473 File restoreFile = new File(deletedPackage.mPath); 7474 // Parse old package 7475 boolean oldOnSd = isExternal(deletedPackage); 7476 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 7477 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 7478 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 7479 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 7480 | SCAN_UPDATE_TIME; 7481 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 7482 origUpdateTime, null) == null) { 7483 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 7484 return; 7485 } 7486 // Restore of old package succeeded. Update permissions. 7487 // writer 7488 synchronized (mPackages) { 7489 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 7490 UPDATE_PERMISSIONS_ALL); 7491 // can downgrade to reader 7492 mSettings.writeLPr(); 7493 } 7494 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 7495 } 7496 } 7497 } 7498 7499 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 7500 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 7501 String installerPackageName, PackageInstalledInfo res) { 7502 PackageParser.Package newPackage = null; 7503 boolean updatedSettings = false; 7504 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 7505 PackageParser.PARSE_IS_SYSTEM; 7506 String packageName = deletedPackage.packageName; 7507 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 7508 if (packageName == null) { 7509 Slog.w(TAG, "Attempt to delete null packageName."); 7510 return; 7511 } 7512 PackageParser.Package oldPkg; 7513 PackageSetting oldPkgSetting; 7514 // reader 7515 synchronized (mPackages) { 7516 oldPkg = mPackages.get(packageName); 7517 oldPkgSetting = mSettings.mPackages.get(packageName); 7518 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 7519 (oldPkgSetting == null)) { 7520 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 7521 return; 7522 } 7523 } 7524 7525 killApplication(packageName, oldPkg.applicationInfo.uid); 7526 7527 res.removedInfo.uid = oldPkg.applicationInfo.uid; 7528 res.removedInfo.removedPackage = packageName; 7529 // Remove existing system package 7530 removePackageLI(oldPkg, true); 7531 // writer 7532 synchronized (mPackages) { 7533 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 7534 // We didn't need to disable the .apk as a current system package, 7535 // which means we are replacing another update that is already 7536 // installed. We need to make sure to delete the older one's .apk. 7537 res.removedInfo.args = createInstallArgs(0, 7538 deletedPackage.applicationInfo.sourceDir, 7539 deletedPackage.applicationInfo.publicSourceDir, 7540 deletedPackage.applicationInfo.nativeLibraryDir); 7541 } else { 7542 res.removedInfo.args = null; 7543 } 7544 } 7545 7546 // Successfully disabled the old package. Now proceed with re-installation 7547 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 7548 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7549 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 7550 if (newPackage == null) { 7551 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 7552 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 7553 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 7554 } 7555 } else { 7556 if (newPackage.mExtras != null) { 7557 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 7558 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 7559 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 7560 } 7561 updateSettingsLI(newPackage, installerPackageName, res); 7562 updatedSettings = true; 7563 } 7564 7565 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 7566 // Re installation failed. Restore old information 7567 // Remove new pkg information 7568 if (newPackage != null) { 7569 removePackageLI(newPackage, true); 7570 } 7571 // Add back the old system package 7572 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 7573 // Restore the old system information in Settings 7574 synchronized(mPackages) { 7575 if (updatedSettings) { 7576 mSettings.enableSystemPackageLPw(packageName); 7577 mSettings.setInstallerPackageName(packageName, 7578 oldPkgSetting.installerPackageName); 7579 } 7580 mSettings.writeLPr(); 7581 } 7582 } 7583 } 7584 7585 // Utility method used to move dex files during install. 7586 private int moveDexFilesLI(PackageParser.Package newPackage) { 7587 int retCode; 7588 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 7589 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 7590 if (retCode != 0) { 7591 if (mNoDexOpt) { 7592 /* 7593 * If we're in an engineering build, programs are lazily run 7594 * through dexopt. If the .dex file doesn't exist yet, it 7595 * will be created when the program is run next. 7596 */ 7597 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 7598 } else { 7599 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 7600 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7601 } 7602 } 7603 } 7604 return PackageManager.INSTALL_SUCCEEDED; 7605 } 7606 7607 private void updateSettingsLI(PackageParser.Package newPackage, 7608 String installerPackageName, PackageInstalledInfo res) { 7609 String pkgName = newPackage.packageName; 7610 synchronized (mPackages) { 7611 //write settings. the installStatus will be incomplete at this stage. 7612 //note that the new package setting would have already been 7613 //added to mPackages. It hasn't been persisted yet. 7614 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 7615 mSettings.writeLPr(); 7616 } 7617 7618 if ((res.returnCode = moveDexFilesLI(newPackage)) 7619 != PackageManager.INSTALL_SUCCEEDED) { 7620 // Discontinue if moving dex files failed. 7621 return; 7622 } 7623 7624 Log.d(TAG, "New package installed in " + newPackage.mPath); 7625 7626 synchronized (mPackages) { 7627 updatePermissionsLPw(newPackage.packageName, newPackage, 7628 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 7629 ? UPDATE_PERMISSIONS_ALL : 0)); 7630 res.name = pkgName; 7631 res.uid = newPackage.applicationInfo.uid; 7632 res.pkg = newPackage; 7633 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 7634 mSettings.setInstallerPackageName(pkgName, installerPackageName); 7635 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 7636 //to update install status 7637 mSettings.writeLPr(); 7638 } 7639 } 7640 7641 private void installPackageLI(InstallArgs args, 7642 boolean newInstall, PackageInstalledInfo res) { 7643 int pFlags = args.flags; 7644 String installerPackageName = args.installerPackageName; 7645 File tmpPackageFile = new File(args.getCodePath()); 7646 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 7647 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 7648 boolean replace = false; 7649 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 7650 | (newInstall ? SCAN_NEW_INSTALL : 0); 7651 // Result object to be returned 7652 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 7653 7654 // Retrieve PackageSettings and parse package 7655 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 7656 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 7657 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 7658 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 7659 pp.setSeparateProcesses(mSeparateProcesses); 7660 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 7661 null, mMetrics, parseFlags); 7662 if (pkg == null) { 7663 res.returnCode = pp.getParseError(); 7664 return; 7665 } 7666 String pkgName = res.name = pkg.packageName; 7667 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 7668 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 7669 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 7670 return; 7671 } 7672 } 7673 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 7674 res.returnCode = pp.getParseError(); 7675 return; 7676 } 7677 7678 /* If the installer passed in a manifest digest, compare it now. */ 7679 if (args.manifestDigest != null) { 7680 if (DEBUG_INSTALL) { 7681 final String parsedManifest = pkg.manifestDigest == null ? "null" 7682 : pkg.manifestDigest.toString(); 7683 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 7684 + parsedManifest); 7685 } 7686 7687 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 7688 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 7689 return; 7690 } 7691 } else if (DEBUG_INSTALL) { 7692 final String parsedManifest = pkg.manifestDigest == null 7693 ? "null" : pkg.manifestDigest.toString(); 7694 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 7695 } 7696 7697 // Get rid of all references to package scan path via parser. 7698 pp = null; 7699 String oldCodePath = null; 7700 boolean systemApp = false; 7701 synchronized (mPackages) { 7702 // Check if installing already existing package 7703 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7704 String oldName = mSettings.mRenamedPackages.get(pkgName); 7705 if (pkg.mOriginalPackages != null 7706 && pkg.mOriginalPackages.contains(oldName) 7707 && mPackages.containsKey(oldName)) { 7708 // This package is derived from an original package, 7709 // and this device has been updating from that original 7710 // name. We must continue using the original name, so 7711 // rename the new package here. 7712 pkg.setPackageName(oldName); 7713 pkgName = pkg.packageName; 7714 replace = true; 7715 } else if (mPackages.containsKey(pkgName)) { 7716 // This package, under its official name, already exists 7717 // on the device; we should replace it. 7718 replace = true; 7719 } 7720 } 7721 PackageSetting ps = mSettings.mPackages.get(pkgName); 7722 if (ps != null) { 7723 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 7724 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7725 systemApp = (ps.pkg.applicationInfo.flags & 7726 ApplicationInfo.FLAG_SYSTEM) != 0; 7727 } 7728 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7729 } 7730 } 7731 7732 if (systemApp && onSd) { 7733 // Disable updates to system apps on sdcard 7734 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 7735 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7736 return; 7737 } 7738 7739 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 7740 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7741 return; 7742 } 7743 // Set application objects path explicitly after the rename 7744 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 7745 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 7746 if (replace) { 7747 replacePackageLI(pkg, parseFlags, scanMode, args.user, 7748 installerPackageName, res); 7749 } else { 7750 installNewPackageLI(pkg, parseFlags, scanMode, args.user, 7751 installerPackageName, res); 7752 } 7753 synchronized (mPackages) { 7754 final PackageSetting ps = mSettings.mPackages.get(pkgName); 7755 if (ps != null) { 7756 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7757 } 7758 } 7759 } 7760 7761 private static boolean isForwardLocked(PackageParser.Package pkg) { 7762 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 7763 } 7764 7765 7766 private boolean isForwardLocked(PackageSetting ps) { 7767 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 7768 } 7769 7770 private static boolean isExternal(PackageParser.Package pkg) { 7771 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 7772 } 7773 7774 private static boolean isExternal(PackageSetting ps) { 7775 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 7776 } 7777 7778 private static boolean isSystemApp(PackageParser.Package pkg) { 7779 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7780 } 7781 7782 private static boolean isSystemApp(ApplicationInfo info) { 7783 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 7784 } 7785 7786 private static boolean isSystemApp(PackageSetting ps) { 7787 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 7788 } 7789 7790 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 7791 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 7792 } 7793 7794 private int packageFlagsToInstallFlags(PackageSetting ps) { 7795 int installFlags = 0; 7796 if (isExternal(ps)) { 7797 installFlags |= PackageManager.INSTALL_EXTERNAL; 7798 } 7799 if (isForwardLocked(ps)) { 7800 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 7801 } 7802 return installFlags; 7803 } 7804 7805 private void deleteTempPackageFiles() { 7806 FilenameFilter filter = new FilenameFilter() { 7807 public boolean accept(File dir, String name) { 7808 return name.startsWith("vmdl") && name.endsWith(".tmp"); 7809 } 7810 }; 7811 String tmpFilesList[] = mAppInstallDir.list(filter); 7812 if(tmpFilesList == null) { 7813 return; 7814 } 7815 for(int i = 0; i < tmpFilesList.length; i++) { 7816 File tmpFile = new File(mAppInstallDir, tmpFilesList[i]); 7817 tmpFile.delete(); 7818 } 7819 } 7820 7821 private File createTempPackageFile(File installDir) { 7822 File tmpPackageFile; 7823 try { 7824 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 7825 } catch (IOException e) { 7826 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 7827 return null; 7828 } 7829 try { 7830 FileUtils.setPermissions( 7831 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 7832 -1, -1); 7833 if (!SELinux.restorecon(tmpPackageFile)) { 7834 return null; 7835 } 7836 } catch (IOException e) { 7837 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 7838 return null; 7839 } 7840 return tmpPackageFile; 7841 } 7842 7843 public void deletePackage(final String packageName, 7844 final IPackageDeleteObserver observer, 7845 final int flags) { 7846 mContext.enforceCallingOrSelfPermission( 7847 android.Manifest.permission.DELETE_PACKAGES, null); 7848 // Queue up an async operation since the package deletion may take a little while. 7849 final int uid = Binder.getCallingUid(); 7850 mHandler.post(new Runnable() { 7851 public void run() { 7852 mHandler.removeCallbacks(this); 7853 final int returnCode = deletePackageX(packageName, uid, flags); 7854 if (observer != null) { 7855 try { 7856 observer.packageDeleted(packageName, returnCode); 7857 } catch (RemoteException e) { 7858 Log.i(TAG, "Observer no longer exists."); 7859 } //end catch 7860 } //end if 7861 } //end run 7862 }); 7863 } 7864 7865 /** 7866 * This method is an internal method that could be get invoked either 7867 * to delete an installed package or to clean up a failed installation. 7868 * After deleting an installed package, a broadcast is sent to notify any 7869 * listeners that the package has been installed. For cleaning up a failed 7870 * installation, the broadcast is not necessary since the package's 7871 * installation wouldn't have sent the initial broadcast either 7872 * The key steps in deleting a package are 7873 * deleting the package information in internal structures like mPackages, 7874 * deleting the packages base directories through installd 7875 * updating mSettings to reflect current status 7876 * persisting settings for later use 7877 * sending a broadcast if necessary 7878 */ 7879 private int deletePackageX(String packageName, int uid, int flags) { 7880 final PackageRemovedInfo info = new PackageRemovedInfo(); 7881 final boolean res; 7882 7883 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 7884 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 7885 try { 7886 if (dpm != null && dpm.packageHasActiveAdmins(packageName)) { 7887 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 7888 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 7889 } 7890 } catch (RemoteException e) { 7891 } 7892 7893 synchronized (mInstallLock) { 7894 res = deletePackageLI(packageName, 7895 (flags & PackageManager.DELETE_ALL_USERS) != 0 7896 ? UserHandle.ALL : new UserHandle(UserHandle.getUserId(uid)), 7897 true, flags | REMOVE_CHATTY, info, true); 7898 } 7899 7900 if (res) { 7901 boolean systemUpdate = info.isRemovedPackageSystemUpdate; 7902 info.sendBroadcast(true, systemUpdate); 7903 7904 // If the removed package was a system update, the old system packaged 7905 // was re-enabled; we need to broadcast this information 7906 if (systemUpdate) { 7907 Bundle extras = new Bundle(1); 7908 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 7909 ? info.removedAppId : info.uid); 7910 extras.putBoolean(Intent.EXTRA_REPLACING, true); 7911 7912 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 7913 extras, null, null, null); 7914 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 7915 extras, null, null, null); 7916 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 7917 null, packageName, null, null); 7918 } 7919 } 7920 // Force a gc here. 7921 Runtime.getRuntime().gc(); 7922 // Delete the resources here after sending the broadcast to let 7923 // other processes clean up before deleting resources. 7924 if (info.args != null) { 7925 synchronized (mInstallLock) { 7926 info.args.doPostDeleteLI(true); 7927 } 7928 } 7929 7930 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 7931 } 7932 7933 static class PackageRemovedInfo { 7934 String removedPackage; 7935 int uid = -1; 7936 int removedAppId = -1; 7937 int[] removedUsers = null; 7938 boolean isRemovedPackageSystemUpdate = false; 7939 // Clean up resources deleted packages. 7940 InstallArgs args = null; 7941 7942 void sendBroadcast(boolean fullRemove, boolean replacing) { 7943 Bundle extras = new Bundle(1); 7944 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 7945 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 7946 if (replacing) { 7947 extras.putBoolean(Intent.EXTRA_REPLACING, true); 7948 } 7949 if (removedPackage != null) { 7950 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7951 extras, null, null, removedUsers); 7952 if (fullRemove && !replacing) { 7953 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 7954 extras, null, null, removedUsers); 7955 } 7956 } 7957 if (removedAppId >= 0) { 7958 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 7959 removedUsers); 7960 } 7961 } 7962 } 7963 7964 /* 7965 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 7966 * flag is not set, the data directory is removed as well. 7967 * make sure this flag is set for partially installed apps. If not its meaningless to 7968 * delete a partially installed application. 7969 */ 7970 private void removePackageDataLI(PackageParser.Package p, PackageRemovedInfo outInfo, 7971 int flags, boolean writeSettings) { 7972 String packageName = p.packageName; 7973 removePackageLI(p, (flags&REMOVE_CHATTY) != 0); 7974 // Retrieve object to delete permissions for shared user later on 7975 final PackageSetting deletedPs; 7976 // reader 7977 synchronized (mPackages) { 7978 deletedPs = mSettings.mPackages.get(packageName); 7979 if (outInfo != null) { 7980 outInfo.removedPackage = packageName; 7981 outInfo.removedUsers = deletedPs != null 7982 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 7983 : null; 7984 } 7985 } 7986 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 7987 removeDataDirsLI(packageName); 7988 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 7989 } 7990 // writer 7991 synchronized (mPackages) { 7992 if (deletedPs != null) { 7993 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 7994 if (outInfo != null) { 7995 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 7996 } 7997 if (deletedPs != null) { 7998 updatePermissionsLPw(deletedPs.name, null, 0); 7999 if (deletedPs.sharedUser != null) { 8000 // remove permissions associated with package 8001 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 8002 } 8003 } 8004 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 8005 } 8006 } 8007 // can downgrade to reader 8008 if (writeSettings) { 8009 // Save settings now 8010 mSettings.writeLPr(); 8011 } 8012 } 8013 } 8014 8015 /* 8016 * Tries to delete system package. 8017 */ 8018 private boolean deleteSystemPackageLI(PackageParser.Package p, 8019 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 8020 ApplicationInfo applicationInfo = p.applicationInfo; 8021 //applicable for non-partially installed applications only 8022 if (applicationInfo == null) { 8023 Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); 8024 return false; 8025 } 8026 PackageSetting ps = null; 8027 // Confirm if the system package has been updated 8028 // An updated system app can be deleted. This will also have to restore 8029 // the system pkg from system partition 8030 // reader 8031 synchronized (mPackages) { 8032 ps = mSettings.getDisabledSystemPkgLPr(p.packageName); 8033 } 8034 if (ps == null) { 8035 Slog.w(TAG, "Attempt to delete unknown system package "+ p.packageName); 8036 return false; 8037 } else { 8038 Log.i(TAG, "Deleting system pkg from data partition"); 8039 } 8040 // Delete the updated package 8041 outInfo.isRemovedPackageSystemUpdate = true; 8042 if (ps.versionCode < p.mVersionCode) { 8043 // Delete data for downgrades 8044 flags &= ~PackageManager.DELETE_KEEP_DATA; 8045 } else { 8046 // Preserve data by setting flag 8047 flags |= PackageManager.DELETE_KEEP_DATA; 8048 } 8049 boolean ret = deleteInstalledPackageLI(p, true, flags, outInfo, 8050 writeSettings); 8051 if (!ret) { 8052 return false; 8053 } 8054 // writer 8055 synchronized (mPackages) { 8056 // Reinstate the old system package 8057 mSettings.enableSystemPackageLPw(p.packageName); 8058 // Remove any native libraries from the upgraded package. 8059 NativeLibraryHelper.removeNativeBinariesLI(p.applicationInfo.nativeLibraryDir); 8060 } 8061 // Install the system package 8062 PackageParser.Package newPkg = scanPackageLI(ps.codePath, 8063 PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM, 8064 SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 8065 8066 if (newPkg == null) { 8067 Slog.w(TAG, "Failed to restore system package:"+p.packageName+" with error:" + mLastScanError); 8068 return false; 8069 } 8070 // writer 8071 synchronized (mPackages) { 8072 updatePermissionsLPw(newPkg.packageName, newPkg, 8073 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 8074 // can downgrade to reader here 8075 if (writeSettings) { 8076 mSettings.writeLPr(); 8077 } 8078 } 8079 return true; 8080 } 8081 8082 private boolean deleteInstalledPackageLI(PackageParser.Package p, 8083 boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo, 8084 boolean writeSettings) { 8085 ApplicationInfo applicationInfo = p.applicationInfo; 8086 if (applicationInfo == null) { 8087 Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); 8088 return false; 8089 } 8090 if (outInfo != null) { 8091 outInfo.uid = applicationInfo.uid; 8092 } 8093 8094 // Delete package data from internal structures and also remove data if flag is set 8095 removePackageDataLI(p, outInfo, flags, writeSettings); 8096 8097 // Delete application code and resources 8098 if (deleteCodeAndResources) { 8099 // TODO can pick up from PackageSettings as well 8100 int installFlags = isExternal(p) ? PackageManager.INSTALL_EXTERNAL : 0; 8101 installFlags |= isForwardLocked(p) ? PackageManager.INSTALL_FORWARD_LOCK : 0; 8102 outInfo.args = createInstallArgs(installFlags, applicationInfo.sourceDir, 8103 applicationInfo.publicSourceDir, applicationInfo.nativeLibraryDir); 8104 } 8105 return true; 8106 } 8107 8108 /* 8109 * This method handles package deletion in general 8110 */ 8111 private boolean deletePackageLI(String packageName, UserHandle user, 8112 boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo, 8113 boolean writeSettings) { 8114 if (packageName == null) { 8115 Slog.w(TAG, "Attempt to delete null packageName."); 8116 return false; 8117 } 8118 PackageParser.Package p; 8119 boolean dataOnly = false; 8120 int removeUser = -1; 8121 int appId = -1; 8122 synchronized (mPackages) { 8123 p = mPackages.get(packageName); 8124 if (p == null) { 8125 //this retrieves partially installed apps 8126 dataOnly = true; 8127 PackageSetting ps = mSettings.mPackages.get(packageName); 8128 if (ps == null) { 8129 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 8130 return false; 8131 } 8132 p = ps.pkg; 8133 } 8134 if (p == null) { 8135 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 8136 return false; 8137 } 8138 final PackageSetting ps = (PackageSetting)p.mExtras; 8139 if (!isSystemApp(p) && ps != null && user != null 8140 && user.getIdentifier() != UserHandle.USER_ALL) { 8141 // The caller is asking that the package only be deleted for a single 8142 // user. To do this, we just mark its uninstalled state and delete 8143 // its data. 8144 ps.setUserState(user.getIdentifier(), 8145 COMPONENT_ENABLED_STATE_DEFAULT, 8146 false, //installed 8147 true, //stopped 8148 true, //notLaunched 8149 null, null); 8150 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 8151 // Other user still have this package installed, so all 8152 // we need to do is clear this user's data and save that 8153 // it is uninstalled. 8154 removeUser = user.getIdentifier(); 8155 appId = ps.appId; 8156 mSettings.writePackageRestrictionsLPr(removeUser); 8157 } else { 8158 // We need to set it back to 'installed' so the uninstall 8159 // broadcasts will be sent correctly. 8160 ps.setInstalled(true, user.getIdentifier()); 8161 } 8162 } 8163 } 8164 8165 if (removeUser >= 0) { 8166 // From above, we determined that we are deleting this only 8167 // for a single user. Continue the work here. 8168 if (outInfo != null) { 8169 outInfo.removedPackage = packageName; 8170 outInfo.removedAppId = appId; 8171 outInfo.removedUsers = new int[] {removeUser}; 8172 } 8173 mInstaller.clearUserData(packageName, removeUser); 8174 schedulePackageCleaning(packageName, removeUser, false); 8175 return true; 8176 } 8177 8178 if (dataOnly) { 8179 // Delete application data first 8180 removePackageDataLI(p, outInfo, flags, writeSettings); 8181 return true; 8182 } 8183 // At this point the package should have ApplicationInfo associated with it 8184 if (p.applicationInfo == null) { 8185 Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); 8186 return false; 8187 } 8188 boolean ret = false; 8189 if (isSystemApp(p)) { 8190 Log.i(TAG, "Removing system package:"+p.packageName); 8191 // When an updated system application is deleted we delete the existing resources as well and 8192 // fall back to existing code in system partition 8193 ret = deleteSystemPackageLI(p, flags, outInfo, writeSettings); 8194 } else { 8195 Log.i(TAG, "Removing non-system package:"+p.packageName); 8196 // Kill application pre-emptively especially for apps on sd. 8197 killApplication(packageName, p.applicationInfo.uid); 8198 ret = deleteInstalledPackageLI(p, deleteCodeAndResources, flags, outInfo, 8199 writeSettings); 8200 } 8201 return ret; 8202 } 8203 8204 private final class ClearStorageConnection implements ServiceConnection { 8205 IMediaContainerService mContainerService; 8206 8207 @Override 8208 public void onServiceConnected(ComponentName name, IBinder service) { 8209 synchronized (this) { 8210 mContainerService = IMediaContainerService.Stub.asInterface(service); 8211 notifyAll(); 8212 } 8213 } 8214 8215 @Override 8216 public void onServiceDisconnected(ComponentName name) { 8217 } 8218 } 8219 8220 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 8221 final boolean mounted; 8222 if (Environment.isExternalStorageEmulated()) { 8223 mounted = true; 8224 } else { 8225 final String status = Environment.getExternalStorageState(); 8226 8227 mounted = status.equals(Environment.MEDIA_MOUNTED) 8228 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 8229 } 8230 8231 if (!mounted) { 8232 return; 8233 } 8234 8235 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 8236 int[] users; 8237 if (userId == UserHandle.USER_ALL) { 8238 users = sUserManager.getUserIds(); 8239 } else { 8240 users = new int[] { userId }; 8241 } 8242 for (int curUser : users) { 8243 ClearStorageConnection conn = new ClearStorageConnection(); 8244 if (mContext.bindService(containerIntent, conn, Context.BIND_AUTO_CREATE, curUser)) { 8245 try { 8246 long timeout = SystemClock.uptimeMillis() + 5000; 8247 synchronized (conn) { 8248 long now = SystemClock.uptimeMillis(); 8249 while (conn.mContainerService == null && now < timeout) { 8250 try { 8251 conn.wait(timeout - now); 8252 } catch (InterruptedException e) { 8253 } 8254 } 8255 } 8256 if (conn.mContainerService == null) { 8257 return; 8258 } 8259 final File externalCacheDir = Environment 8260 .getExternalStorageAppCacheDirectory(packageName); 8261 try { 8262 conn.mContainerService.clearDirectory(externalCacheDir.toString()); 8263 } catch (RemoteException e) { 8264 } 8265 if (allData) { 8266 final File externalDataDir = Environment 8267 .getExternalStorageAppDataDirectory(packageName); 8268 try { 8269 conn.mContainerService.clearDirectory(externalDataDir.toString()); 8270 } catch (RemoteException e) { 8271 } 8272 final File externalMediaDir = Environment 8273 .getExternalStorageAppMediaDirectory(packageName); 8274 try { 8275 conn.mContainerService.clearDirectory(externalMediaDir.toString()); 8276 } catch (RemoteException e) { 8277 } 8278 } 8279 } finally { 8280 mContext.unbindService(conn); 8281 } 8282 } 8283 } 8284 } 8285 8286 @Override 8287 public void clearApplicationUserData(final String packageName, 8288 final IPackageDataObserver observer, final int userId) { 8289 mContext.enforceCallingOrSelfPermission( 8290 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 8291 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 8292 // Queue up an async operation since the package deletion may take a little while. 8293 mHandler.post(new Runnable() { 8294 public void run() { 8295 mHandler.removeCallbacks(this); 8296 final boolean succeeded; 8297 synchronized (mInstallLock) { 8298 succeeded = clearApplicationUserDataLI(packageName, userId); 8299 } 8300 clearExternalStorageDataSync(packageName, userId, true); 8301 if (succeeded) { 8302 // invoke DeviceStorageMonitor's update method to clear any notifications 8303 DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) 8304 ServiceManager.getService(DeviceStorageMonitorService.SERVICE); 8305 if (dsm != null) { 8306 dsm.updateMemory(); 8307 } 8308 } 8309 if(observer != null) { 8310 try { 8311 observer.onRemoveCompleted(packageName, succeeded); 8312 } catch (RemoteException e) { 8313 Log.i(TAG, "Observer no longer exists."); 8314 } 8315 } //end if observer 8316 } //end run 8317 }); 8318 } 8319 8320 private boolean clearApplicationUserDataLI(String packageName, int userId) { 8321 if (packageName == null) { 8322 Slog.w(TAG, "Attempt to delete null packageName."); 8323 return false; 8324 } 8325 PackageParser.Package p; 8326 boolean dataOnly = false; 8327 synchronized (mPackages) { 8328 p = mPackages.get(packageName); 8329 if(p == null) { 8330 dataOnly = true; 8331 PackageSetting ps = mSettings.mPackages.get(packageName); 8332 if((ps == null) || (ps.pkg == null)) { 8333 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 8334 return false; 8335 } 8336 p = ps.pkg; 8337 } 8338 } 8339 8340 if (!dataOnly) { 8341 //need to check this only for fully installed applications 8342 if (p == null) { 8343 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 8344 return false; 8345 } 8346 final ApplicationInfo applicationInfo = p.applicationInfo; 8347 if (applicationInfo == null) { 8348 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 8349 return false; 8350 } 8351 } 8352 int retCode = mInstaller.clearUserData(packageName, userId); 8353 if (retCode < 0) { 8354 Slog.w(TAG, "Couldn't remove cache files for package: " 8355 + packageName); 8356 return false; 8357 } 8358 return true; 8359 } 8360 8361 public void deleteApplicationCacheFiles(final String packageName, 8362 final IPackageDataObserver observer) { 8363 mContext.enforceCallingOrSelfPermission( 8364 android.Manifest.permission.DELETE_CACHE_FILES, null); 8365 // Queue up an async operation since the package deletion may take a little while. 8366 final int userId = UserHandle.getCallingUserId(); 8367 mHandler.post(new Runnable() { 8368 public void run() { 8369 mHandler.removeCallbacks(this); 8370 final boolean succeded; 8371 synchronized (mInstallLock) { 8372 succeded = deleteApplicationCacheFilesLI(packageName, userId); 8373 } 8374 clearExternalStorageDataSync(packageName, userId, false); 8375 if(observer != null) { 8376 try { 8377 observer.onRemoveCompleted(packageName, succeded); 8378 } catch (RemoteException e) { 8379 Log.i(TAG, "Observer no longer exists."); 8380 } 8381 } //end if observer 8382 } //end run 8383 }); 8384 } 8385 8386 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 8387 if (packageName == null) { 8388 Slog.w(TAG, "Attempt to delete null packageName."); 8389 return false; 8390 } 8391 PackageParser.Package p; 8392 synchronized (mPackages) { 8393 p = mPackages.get(packageName); 8394 } 8395 if (p == null) { 8396 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 8397 return false; 8398 } 8399 final ApplicationInfo applicationInfo = p.applicationInfo; 8400 if (applicationInfo == null) { 8401 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 8402 return false; 8403 } 8404 // TODO: Pass userId to deleteCacheFiles 8405 int retCode = mInstaller.deleteCacheFiles(packageName); 8406 if (retCode < 0) { 8407 Slog.w(TAG, "Couldn't remove cache files for package: " 8408 + packageName); 8409 return false; 8410 } 8411 return true; 8412 } 8413 8414 public void getPackageSizeInfo(final String packageName, int userHandle, 8415 final IPackageStatsObserver observer) { 8416 mContext.enforceCallingOrSelfPermission( 8417 android.Manifest.permission.GET_PACKAGE_SIZE, null); 8418 8419 PackageStats stats = new PackageStats(packageName, userHandle); 8420 8421 /* 8422 * Queue up an async operation since the package measurement may take a 8423 * little while. 8424 */ 8425 Message msg = mHandler.obtainMessage(INIT_COPY); 8426 msg.obj = new MeasureParams(stats, observer); 8427 mHandler.sendMessage(msg); 8428 } 8429 8430 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 8431 PackageStats pStats) { 8432 if (packageName == null) { 8433 Slog.w(TAG, "Attempt to get size of null packageName."); 8434 return false; 8435 } 8436 PackageParser.Package p; 8437 boolean dataOnly = false; 8438 String asecPath = null; 8439 synchronized (mPackages) { 8440 p = mPackages.get(packageName); 8441 if(p == null) { 8442 dataOnly = true; 8443 PackageSetting ps = mSettings.mPackages.get(packageName); 8444 if((ps == null) || (ps.pkg == null)) { 8445 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 8446 return false; 8447 } 8448 p = ps.pkg; 8449 } 8450 if (p != null && (isExternal(p) || isForwardLocked(p))) { 8451 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 8452 if (secureContainerId != null) { 8453 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 8454 } 8455 } 8456 } 8457 String publicSrcDir = null; 8458 if(!dataOnly) { 8459 final ApplicationInfo applicationInfo = p.applicationInfo; 8460 if (applicationInfo == null) { 8461 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 8462 return false; 8463 } 8464 if (isForwardLocked(p)) { 8465 publicSrcDir = applicationInfo.publicSourceDir; 8466 } 8467 } 8468 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, publicSrcDir, 8469 asecPath, pStats); 8470 if (res < 0) { 8471 return false; 8472 } 8473 8474 // Fix-up for forward-locked applications in ASEC containers. 8475 if (!isExternal(p)) { 8476 pStats.codeSize += pStats.externalCodeSize; 8477 pStats.externalCodeSize = 0L; 8478 } 8479 8480 return true; 8481 } 8482 8483 8484 public void addPackageToPreferred(String packageName) { 8485 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 8486 } 8487 8488 public void removePackageFromPreferred(String packageName) { 8489 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 8490 } 8491 8492 public List<PackageInfo> getPreferredPackages(int flags) { 8493 return new ArrayList<PackageInfo>(); 8494 } 8495 8496 private int getUidTargetSdkVersionLockedLPr(int uid) { 8497 Object obj = mSettings.getUserIdLPr(uid); 8498 if (obj instanceof SharedUserSetting) { 8499 final SharedUserSetting sus = (SharedUserSetting) obj; 8500 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 8501 final Iterator<PackageSetting> it = sus.packages.iterator(); 8502 while (it.hasNext()) { 8503 final PackageSetting ps = it.next(); 8504 if (ps.pkg != null) { 8505 int v = ps.pkg.applicationInfo.targetSdkVersion; 8506 if (v < vers) vers = v; 8507 } 8508 } 8509 return vers; 8510 } else if (obj instanceof PackageSetting) { 8511 final PackageSetting ps = (PackageSetting) obj; 8512 if (ps.pkg != null) { 8513 return ps.pkg.applicationInfo.targetSdkVersion; 8514 } 8515 } 8516 return Build.VERSION_CODES.CUR_DEVELOPMENT; 8517 } 8518 8519 public void addPreferredActivity(IntentFilter filter, int match, 8520 ComponentName[] set, ComponentName activity, int userId) { 8521 // writer 8522 int callingUid = Binder.getCallingUid(); 8523 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 8524 synchronized (mPackages) { 8525 if (mContext.checkCallingOrSelfPermission( 8526 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 8527 != PackageManager.PERMISSION_GRANTED) { 8528 if (getUidTargetSdkVersionLockedLPr(callingUid) 8529 < Build.VERSION_CODES.FROYO) { 8530 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 8531 + callingUid); 8532 return; 8533 } 8534 mContext.enforceCallingOrSelfPermission( 8535 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 8536 } 8537 8538 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 8539 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 8540 mSettings.mPreferredActivities.addFilter( 8541 new PreferredActivity(filter, match, set, activity, userId)); 8542 scheduleWriteSettingsLocked(); 8543 } 8544 } 8545 8546 public void replacePreferredActivity(IntentFilter filter, int match, 8547 ComponentName[] set, ComponentName activity) { 8548 if (filter.countActions() != 1) { 8549 throw new IllegalArgumentException( 8550 "replacePreferredActivity expects filter to have only 1 action."); 8551 } 8552 if (filter.countCategories() != 1) { 8553 throw new IllegalArgumentException( 8554 "replacePreferredActivity expects filter to have only 1 category."); 8555 } 8556 if (filter.countDataAuthorities() != 0 8557 || filter.countDataPaths() != 0 8558 || filter.countDataSchemes() != 0 8559 || filter.countDataTypes() != 0) { 8560 throw new IllegalArgumentException( 8561 "replacePreferredActivity expects filter to have no data authorities, " + 8562 "paths, schemes or types."); 8563 } 8564 synchronized (mPackages) { 8565 if (mContext.checkCallingOrSelfPermission( 8566 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 8567 != PackageManager.PERMISSION_GRANTED) { 8568 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 8569 < Build.VERSION_CODES.FROYO) { 8570 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 8571 + Binder.getCallingUid()); 8572 return; 8573 } 8574 mContext.enforceCallingOrSelfPermission( 8575 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 8576 } 8577 8578 final int callingUserId = UserHandle.getCallingUserId(); 8579 ArrayList<PreferredActivity> removed = null; 8580 Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); 8581 String action = filter.getAction(0); 8582 String category = filter.getCategory(0); 8583 while (it.hasNext()) { 8584 PreferredActivity pa = it.next(); 8585 if (pa.mUserId != callingUserId) continue; 8586 if (pa.getAction(0).equals(action) && pa.getCategory(0).equals(category)) { 8587 if (removed == null) { 8588 removed = new ArrayList<PreferredActivity>(); 8589 } 8590 removed.add(pa); 8591 Log.i(TAG, "Removing preferred activity " + pa.mPref.mComponent + ":"); 8592 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 8593 } 8594 } 8595 if (removed != null) { 8596 for (int i=0; i<removed.size(); i++) { 8597 PreferredActivity pa = removed.get(i); 8598 mSettings.mPreferredActivities.removeFilter(pa); 8599 } 8600 } 8601 addPreferredActivity(filter, match, set, activity, callingUserId); 8602 } 8603 } 8604 8605 public void clearPackagePreferredActivities(String packageName) { 8606 final int uid = Binder.getCallingUid(); 8607 // writer 8608 synchronized (mPackages) { 8609 PackageParser.Package pkg = mPackages.get(packageName); 8610 if (pkg == null || pkg.applicationInfo.uid != uid) { 8611 if (mContext.checkCallingOrSelfPermission( 8612 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 8613 != PackageManager.PERMISSION_GRANTED) { 8614 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 8615 < Build.VERSION_CODES.FROYO) { 8616 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 8617 + Binder.getCallingUid()); 8618 return; 8619 } 8620 mContext.enforceCallingOrSelfPermission( 8621 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 8622 } 8623 } 8624 8625 if (clearPackagePreferredActivitiesLPw(packageName, UserHandle.getCallingUserId())) { 8626 scheduleWriteSettingsLocked(); 8627 } 8628 } 8629 } 8630 8631 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 8632 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 8633 ArrayList<PreferredActivity> removed = null; 8634 Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); 8635 while (it.hasNext()) { 8636 PreferredActivity pa = it.next(); 8637 if (userId != UserHandle.USER_ALL && pa.mUserId != userId) { 8638 continue; 8639 } 8640 if (pa.mPref.mComponent.getPackageName().equals(packageName)) { 8641 if (removed == null) { 8642 removed = new ArrayList<PreferredActivity>(); 8643 } 8644 removed.add(pa); 8645 } 8646 } 8647 if (removed != null) { 8648 for (int i=0; i<removed.size(); i++) { 8649 PreferredActivity pa = removed.get(i); 8650 mSettings.mPreferredActivities.removeFilter(pa); 8651 } 8652 return true; 8653 } 8654 return false; 8655 } 8656 8657 public int getPreferredActivities(List<IntentFilter> outFilters, 8658 List<ComponentName> outActivities, String packageName) { 8659 8660 int num = 0; 8661 final int userId = UserHandle.getCallingUserId(); 8662 // reader 8663 synchronized (mPackages) { 8664 final Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); 8665 while (it.hasNext()) { 8666 final PreferredActivity pa = it.next(); 8667 if (pa.mUserId != userId) { 8668 continue; 8669 } 8670 if (packageName == null 8671 || pa.mPref.mComponent.getPackageName().equals(packageName)) { 8672 if (outFilters != null) { 8673 outFilters.add(new IntentFilter(pa)); 8674 } 8675 if (outActivities != null) { 8676 outActivities.add(pa.mPref.mComponent); 8677 } 8678 } 8679 } 8680 } 8681 8682 return num; 8683 } 8684 8685 @Override 8686 public void setApplicationEnabledSetting(String appPackageName, 8687 int newState, int flags, int userId) { 8688 if (!sUserManager.exists(userId)) return; 8689 setEnabledSetting(appPackageName, null, newState, flags, userId); 8690 } 8691 8692 @Override 8693 public void setComponentEnabledSetting(ComponentName componentName, 8694 int newState, int flags, int userId) { 8695 if (!sUserManager.exists(userId)) return; 8696 setEnabledSetting(componentName.getPackageName(), 8697 componentName.getClassName(), newState, flags, userId); 8698 } 8699 8700 private void setEnabledSetting( 8701 final String packageName, String className, int newState, final int flags, int userId) { 8702 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 8703 || newState == COMPONENT_ENABLED_STATE_ENABLED 8704 || newState == COMPONENT_ENABLED_STATE_DISABLED 8705 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER)) { 8706 throw new IllegalArgumentException("Invalid new component state: " 8707 + newState); 8708 } 8709 PackageSetting pkgSetting; 8710 final int uid = Binder.getCallingUid(); 8711 final int permission = mContext.checkCallingPermission( 8712 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 8713 enforceCrossUserPermission(uid, userId, false, "set enabled"); 8714 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 8715 boolean sendNow = false; 8716 boolean isApp = (className == null); 8717 String componentName = isApp ? packageName : className; 8718 int packageUid = -1; 8719 ArrayList<String> components; 8720 8721 // writer 8722 synchronized (mPackages) { 8723 pkgSetting = mSettings.mPackages.get(packageName); 8724 if (pkgSetting == null) { 8725 if (className == null) { 8726 throw new IllegalArgumentException( 8727 "Unknown package: " + packageName); 8728 } 8729 throw new IllegalArgumentException( 8730 "Unknown component: " + packageName 8731 + "/" + className); 8732 } 8733 // Allow root and verify that userId is not being specified by a different user 8734 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 8735 throw new SecurityException( 8736 "Permission Denial: attempt to change component state from pid=" 8737 + Binder.getCallingPid() 8738 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 8739 } 8740 if (className == null) { 8741 // We're dealing with an application/package level state change 8742 if (pkgSetting.getEnabled(userId) == newState) { 8743 // Nothing to do 8744 return; 8745 } 8746 pkgSetting.setEnabled(newState, userId); 8747 // pkgSetting.pkg.mSetEnabled = newState; 8748 } else { 8749 // We're dealing with a component level state change 8750 // First, verify that this is a valid class name. 8751 PackageParser.Package pkg = pkgSetting.pkg; 8752 if (pkg == null || !pkg.hasComponentClassName(className)) { 8753 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 8754 throw new IllegalArgumentException("Component class " + className 8755 + " does not exist in " + packageName); 8756 } else { 8757 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 8758 + className + " does not exist in " + packageName); 8759 } 8760 } 8761 switch (newState) { 8762 case COMPONENT_ENABLED_STATE_ENABLED: 8763 if (!pkgSetting.enableComponentLPw(className, userId)) { 8764 return; 8765 } 8766 break; 8767 case COMPONENT_ENABLED_STATE_DISABLED: 8768 if (!pkgSetting.disableComponentLPw(className, userId)) { 8769 return; 8770 } 8771 break; 8772 case COMPONENT_ENABLED_STATE_DEFAULT: 8773 if (!pkgSetting.restoreComponentLPw(className, userId)) { 8774 return; 8775 } 8776 break; 8777 default: 8778 Slog.e(TAG, "Invalid new component state: " + newState); 8779 return; 8780 } 8781 } 8782 mSettings.writePackageRestrictionsLPr(userId); 8783 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 8784 components = mPendingBroadcasts.get(packageName); 8785 final boolean newPackage = components == null; 8786 if (newPackage) { 8787 components = new ArrayList<String>(); 8788 } 8789 if (!components.contains(componentName)) { 8790 components.add(componentName); 8791 } 8792 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 8793 sendNow = true; 8794 // Purge entry from pending broadcast list if another one exists already 8795 // since we are sending one right away. 8796 mPendingBroadcasts.remove(packageName); 8797 } else { 8798 if (newPackage) { 8799 mPendingBroadcasts.put(packageName, components); 8800 } 8801 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 8802 // Schedule a message 8803 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 8804 } 8805 } 8806 } 8807 8808 long callingId = Binder.clearCallingIdentity(); 8809 try { 8810 if (sendNow) { 8811 sendPackageChangedBroadcast(packageName, 8812 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 8813 } 8814 } finally { 8815 Binder.restoreCallingIdentity(callingId); 8816 } 8817 } 8818 8819 private void sendPackageChangedBroadcast(String packageName, 8820 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 8821 if (DEBUG_INSTALL) 8822 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 8823 + componentNames); 8824 Bundle extras = new Bundle(4); 8825 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 8826 String nameList[] = new String[componentNames.size()]; 8827 componentNames.toArray(nameList); 8828 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 8829 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 8830 extras.putInt(Intent.EXTRA_UID, packageUid); 8831 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 8832 new int[] {UserHandle.getUserId(packageUid)}); 8833 } 8834 8835 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 8836 if (!sUserManager.exists(userId)) return; 8837 final int uid = Binder.getCallingUid(); 8838 final int permission = mContext.checkCallingOrSelfPermission( 8839 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 8840 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 8841 enforceCrossUserPermission(uid, userId, true, "stop package"); 8842 // writer 8843 synchronized (mPackages) { 8844 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 8845 uid, userId)) { 8846 scheduleWritePackageRestrictionsLocked(userId); 8847 } 8848 } 8849 } 8850 8851 public String getInstallerPackageName(String packageName) { 8852 // reader 8853 synchronized (mPackages) { 8854 return mSettings.getInstallerPackageNameLPr(packageName); 8855 } 8856 } 8857 8858 @Override 8859 public int getApplicationEnabledSetting(String packageName, int userId) { 8860 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 8861 int uid = Binder.getCallingUid(); 8862 enforceCrossUserPermission(uid, userId, false, "get enabled"); 8863 // reader 8864 synchronized (mPackages) { 8865 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 8866 } 8867 } 8868 8869 @Override 8870 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 8871 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 8872 int uid = Binder.getCallingUid(); 8873 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 8874 // reader 8875 synchronized (mPackages) { 8876 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 8877 } 8878 } 8879 8880 public void enterSafeMode() { 8881 enforceSystemOrRoot("Only the system can request entering safe mode"); 8882 8883 if (!mSystemReady) { 8884 mSafeMode = true; 8885 } 8886 } 8887 8888 public void systemReady() { 8889 mSystemReady = true; 8890 8891 // Read the compatibilty setting when the system is ready. 8892 boolean compatibilityModeEnabled = android.provider.Settings.System.getInt( 8893 mContext.getContentResolver(), 8894 android.provider.Settings.System.COMPATIBILITY_MODE, 1) == 1; 8895 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 8896 if (DEBUG_SETTINGS) { 8897 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 8898 } 8899 } 8900 8901 public boolean isSafeMode() { 8902 return mSafeMode; 8903 } 8904 8905 public boolean hasSystemUidErrors() { 8906 return mHasSystemUidErrors; 8907 } 8908 8909 static String arrayToString(int[] array) { 8910 StringBuffer buf = new StringBuffer(128); 8911 buf.append('['); 8912 if (array != null) { 8913 for (int i=0; i<array.length; i++) { 8914 if (i > 0) buf.append(", "); 8915 buf.append(array[i]); 8916 } 8917 } 8918 buf.append(']'); 8919 return buf.toString(); 8920 } 8921 8922 static class DumpState { 8923 public static final int DUMP_LIBS = 1 << 0; 8924 8925 public static final int DUMP_FEATURES = 1 << 1; 8926 8927 public static final int DUMP_RESOLVERS = 1 << 2; 8928 8929 public static final int DUMP_PERMISSIONS = 1 << 3; 8930 8931 public static final int DUMP_PACKAGES = 1 << 4; 8932 8933 public static final int DUMP_SHARED_USERS = 1 << 5; 8934 8935 public static final int DUMP_MESSAGES = 1 << 6; 8936 8937 public static final int DUMP_PROVIDERS = 1 << 7; 8938 8939 public static final int DUMP_VERIFIERS = 1 << 8; 8940 8941 public static final int DUMP_PREFERRED = 1 << 9; 8942 8943 public static final int DUMP_PREFERRED_XML = 1 << 10; 8944 8945 public static final int OPTION_SHOW_FILTERS = 1 << 0; 8946 8947 private int mTypes; 8948 8949 private int mOptions; 8950 8951 private boolean mTitlePrinted; 8952 8953 private SharedUserSetting mSharedUser; 8954 8955 public boolean isDumping(int type) { 8956 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 8957 return true; 8958 } 8959 8960 return (mTypes & type) != 0; 8961 } 8962 8963 public void setDump(int type) { 8964 mTypes |= type; 8965 } 8966 8967 public boolean isOptionEnabled(int option) { 8968 return (mOptions & option) != 0; 8969 } 8970 8971 public void setOptionEnabled(int option) { 8972 mOptions |= option; 8973 } 8974 8975 public boolean onTitlePrinted() { 8976 final boolean printed = mTitlePrinted; 8977 mTitlePrinted = true; 8978 return printed; 8979 } 8980 8981 public boolean getTitlePrinted() { 8982 return mTitlePrinted; 8983 } 8984 8985 public void setTitlePrinted(boolean enabled) { 8986 mTitlePrinted = enabled; 8987 } 8988 8989 public SharedUserSetting getSharedUser() { 8990 return mSharedUser; 8991 } 8992 8993 public void setSharedUser(SharedUserSetting user) { 8994 mSharedUser = user; 8995 } 8996 } 8997 8998 @Override 8999 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 9000 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 9001 != PackageManager.PERMISSION_GRANTED) { 9002 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 9003 + Binder.getCallingPid() 9004 + ", uid=" + Binder.getCallingUid() 9005 + " without permission " 9006 + android.Manifest.permission.DUMP); 9007 return; 9008 } 9009 9010 DumpState dumpState = new DumpState(); 9011 9012 String packageName = null; 9013 9014 int opti = 0; 9015 while (opti < args.length) { 9016 String opt = args[opti]; 9017 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 9018 break; 9019 } 9020 opti++; 9021 if ("-a".equals(opt)) { 9022 // Right now we only know how to print all. 9023 } else if ("-h".equals(opt)) { 9024 pw.println("Package manager dump options:"); 9025 pw.println(" [-h] [-f] [cmd] ..."); 9026 pw.println(" -f: print details of intent filters"); 9027 pw.println(" -h: print this help"); 9028 pw.println(" cmd may be one of:"); 9029 pw.println(" l[ibraries]: list known shared libraries"); 9030 pw.println(" f[ibraries]: list device features"); 9031 pw.println(" r[esolvers]: dump intent resolvers"); 9032 pw.println(" perm[issions]: dump permissions"); 9033 pw.println(" pref[erred]: print preferred package settings"); 9034 pw.println(" preferred-xml: print preferred package settings as xml"); 9035 pw.println(" prov[iders]: dump content providers"); 9036 pw.println(" p[ackages]: dump installed packages"); 9037 pw.println(" s[hared-users]: dump shared user IDs"); 9038 pw.println(" m[essages]: print collected runtime messages"); 9039 pw.println(" v[erifiers]: print package verifier info"); 9040 pw.println(" <package.name>: info about given package"); 9041 return; 9042 } else if ("-f".equals(opt)) { 9043 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 9044 } else { 9045 pw.println("Unknown argument: " + opt + "; use -h for help"); 9046 } 9047 } 9048 9049 // Is the caller requesting to dump a particular piece of data? 9050 if (opti < args.length) { 9051 String cmd = args[opti]; 9052 opti++; 9053 // Is this a package name? 9054 if ("android".equals(cmd) || cmd.contains(".")) { 9055 packageName = cmd; 9056 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 9057 dumpState.setDump(DumpState.DUMP_LIBS); 9058 } else if ("f".equals(cmd) || "features".equals(cmd)) { 9059 dumpState.setDump(DumpState.DUMP_FEATURES); 9060 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 9061 dumpState.setDump(DumpState.DUMP_RESOLVERS); 9062 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 9063 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 9064 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 9065 dumpState.setDump(DumpState.DUMP_PREFERRED); 9066 } else if ("preferred-xml".equals(cmd)) { 9067 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 9068 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 9069 dumpState.setDump(DumpState.DUMP_PACKAGES); 9070 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 9071 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 9072 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 9073 dumpState.setDump(DumpState.DUMP_PROVIDERS); 9074 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 9075 dumpState.setDump(DumpState.DUMP_MESSAGES); 9076 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 9077 dumpState.setDump(DumpState.DUMP_VERIFIERS); 9078 } 9079 } 9080 9081 // reader 9082 synchronized (mPackages) { 9083 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 9084 if (dumpState.onTitlePrinted()) 9085 pw.println(" "); 9086 pw.println("Verifiers:"); 9087 pw.print(" Required: "); 9088 pw.print(mRequiredVerifierPackage); 9089 pw.print(" (uid="); 9090 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 9091 pw.println(")"); 9092 } 9093 9094 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 9095 if (dumpState.onTitlePrinted()) 9096 pw.println(" "); 9097 pw.println("Libraries:"); 9098 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 9099 while (it.hasNext()) { 9100 String name = it.next(); 9101 pw.print(" "); 9102 pw.print(name); 9103 pw.print(" -> "); 9104 pw.println(mSharedLibraries.get(name)); 9105 } 9106 } 9107 9108 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 9109 if (dumpState.onTitlePrinted()) 9110 pw.println(" "); 9111 pw.println("Features:"); 9112 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 9113 while (it.hasNext()) { 9114 String name = it.next(); 9115 pw.print(" "); 9116 pw.println(name); 9117 } 9118 } 9119 9120 if (dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 9121 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 9122 : "Activity Resolver Table:", " ", packageName, 9123 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 9124 dumpState.setTitlePrinted(true); 9125 } 9126 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 9127 : "Receiver Resolver Table:", " ", packageName, 9128 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 9129 dumpState.setTitlePrinted(true); 9130 } 9131 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 9132 : "Service Resolver Table:", " ", packageName, 9133 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 9134 dumpState.setTitlePrinted(true); 9135 } 9136 } 9137 9138 if (dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 9139 if (mSettings.mPreferredActivities.dump(pw, 9140 dumpState.getTitlePrinted() ? "\nPreferred Activities:" 9141 : "Preferred Activities:", " ", 9142 packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 9143 dumpState.setTitlePrinted(true); 9144 } 9145 } 9146 9147 if (dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 9148 pw.flush(); 9149 FileOutputStream fout = new FileOutputStream(fd); 9150 BufferedOutputStream str = new BufferedOutputStream(fout); 9151 XmlSerializer serializer = new FastXmlSerializer(); 9152 try { 9153 serializer.setOutput(str, "utf-8"); 9154 serializer.startDocument(null, true); 9155 serializer.setFeature( 9156 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 9157 mSettings.writePreferredActivitiesLPr(serializer); 9158 serializer.endDocument(); 9159 serializer.flush(); 9160 } catch (IllegalArgumentException e) { 9161 pw.println("Failed writing: " + e); 9162 } catch (IllegalStateException e) { 9163 pw.println("Failed writing: " + e); 9164 } catch (IOException e) { 9165 pw.println("Failed writing: " + e); 9166 } 9167 } 9168 9169 if (dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 9170 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 9171 } 9172 9173 if (dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 9174 boolean printedSomething = false; 9175 for (PackageParser.Provider p : mProvidersByComponent.values()) { 9176 if (packageName != null && !packageName.equals(p.info.packageName)) { 9177 continue; 9178 } 9179 if (!printedSomething) { 9180 if (dumpState.onTitlePrinted()) 9181 pw.println(" "); 9182 pw.println("Registered ContentProviders:"); 9183 printedSomething = true; 9184 } 9185 pw.print(" "); pw.print(p.getComponentShortName()); pw.println(":"); 9186 pw.print(" "); pw.println(p.toString()); 9187 } 9188 printedSomething = false; 9189 for (Map.Entry<String, PackageParser.Provider> entry : mProviders.entrySet()) { 9190 PackageParser.Provider p = entry.getValue(); 9191 if (packageName != null && !packageName.equals(p.info.packageName)) { 9192 continue; 9193 } 9194 if (!printedSomething) { 9195 if (dumpState.onTitlePrinted()) 9196 pw.println(" "); 9197 pw.println("ContentProvider Authorities:"); 9198 printedSomething = true; 9199 } 9200 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 9201 pw.print(" "); pw.println(p.toString()); 9202 if (p.info != null && p.info.applicationInfo != null) { 9203 final String appInfo = p.info.applicationInfo.toString(); 9204 pw.print(" applicationInfo="); pw.println(appInfo); 9205 } 9206 } 9207 } 9208 9209 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 9210 mSettings.dumpPackagesLPr(pw, packageName, dumpState); 9211 } 9212 9213 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 9214 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 9215 } 9216 9217 if (dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 9218 if (dumpState.onTitlePrinted()) 9219 pw.println(" "); 9220 mSettings.dumpReadMessagesLPr(pw, dumpState); 9221 9222 pw.println(" "); 9223 pw.println("Package warning messages:"); 9224 final File fname = getSettingsProblemFile(); 9225 FileInputStream in = null; 9226 try { 9227 in = new FileInputStream(fname); 9228 final int avail = in.available(); 9229 final byte[] data = new byte[avail]; 9230 in.read(data); 9231 pw.print(new String(data)); 9232 } catch (FileNotFoundException e) { 9233 } catch (IOException e) { 9234 } finally { 9235 if (in != null) { 9236 try { 9237 in.close(); 9238 } catch (IOException e) { 9239 } 9240 } 9241 } 9242 } 9243 } 9244 } 9245 9246 // ------- apps on sdcard specific code ------- 9247 static final boolean DEBUG_SD_INSTALL = false; 9248 9249 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 9250 9251 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 9252 9253 private boolean mMediaMounted = false; 9254 9255 private String getEncryptKey() { 9256 try { 9257 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 9258 SD_ENCRYPTION_KEYSTORE_NAME); 9259 if (sdEncKey == null) { 9260 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 9261 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 9262 if (sdEncKey == null) { 9263 Slog.e(TAG, "Failed to create encryption keys"); 9264 return null; 9265 } 9266 } 9267 return sdEncKey; 9268 } catch (NoSuchAlgorithmException nsae) { 9269 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 9270 return null; 9271 } catch (IOException ioe) { 9272 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 9273 return null; 9274 } 9275 9276 } 9277 9278 /* package */static String getTempContainerId() { 9279 int tmpIdx = 1; 9280 String list[] = PackageHelper.getSecureContainerList(); 9281 if (list != null) { 9282 for (final String name : list) { 9283 // Ignore null and non-temporary container entries 9284 if (name == null || !name.startsWith(mTempContainerPrefix)) { 9285 continue; 9286 } 9287 9288 String subStr = name.substring(mTempContainerPrefix.length()); 9289 try { 9290 int cid = Integer.parseInt(subStr); 9291 if (cid >= tmpIdx) { 9292 tmpIdx = cid + 1; 9293 } 9294 } catch (NumberFormatException e) { 9295 } 9296 } 9297 } 9298 return mTempContainerPrefix + tmpIdx; 9299 } 9300 9301 /* 9302 * Update media status on PackageManager. 9303 */ 9304 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 9305 int callingUid = Binder.getCallingUid(); 9306 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 9307 throw new SecurityException("Media status can only be updated by the system"); 9308 } 9309 // reader; this apparently protects mMediaMounted, but should probably 9310 // be a different lock in that case. 9311 synchronized (mPackages) { 9312 Log.i(TAG, "Updating external media status from " 9313 + (mMediaMounted ? "mounted" : "unmounted") + " to " 9314 + (mediaStatus ? "mounted" : "unmounted")); 9315 if (DEBUG_SD_INSTALL) 9316 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 9317 + ", mMediaMounted=" + mMediaMounted); 9318 if (mediaStatus == mMediaMounted) { 9319 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 9320 : 0, -1); 9321 mHandler.sendMessage(msg); 9322 return; 9323 } 9324 mMediaMounted = mediaStatus; 9325 } 9326 // Queue up an async operation since the package installation may take a 9327 // little while. 9328 mHandler.post(new Runnable() { 9329 public void run() { 9330 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 9331 } 9332 }); 9333 } 9334 9335 /** 9336 * Called by MountService when the initial ASECs to scan are available. 9337 * Should block until all the ASEC containers are finished being scanned. 9338 */ 9339 public void scanAvailableAsecs() { 9340 updateExternalMediaStatusInner(true, false, false); 9341 } 9342 9343 /* 9344 * Collect information of applications on external media, map them against 9345 * existing containers and update information based on current mount status. 9346 * Please note that we always have to report status if reportStatus has been 9347 * set to true especially when unloading packages. 9348 */ 9349 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 9350 boolean externalStorage) { 9351 // Collection of uids 9352 int uidArr[] = null; 9353 // Collection of stale containers 9354 HashSet<String> removeCids = new HashSet<String>(); 9355 // Collection of packages on external media with valid containers. 9356 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 9357 // Get list of secure containers. 9358 final String list[] = PackageHelper.getSecureContainerList(); 9359 if (list == null || list.length == 0) { 9360 Log.i(TAG, "No secure containers on sdcard"); 9361 } else { 9362 // Process list of secure containers and categorize them 9363 // as active or stale based on their package internal state. 9364 int uidList[] = new int[list.length]; 9365 int num = 0; 9366 // reader 9367 synchronized (mPackages) { 9368 for (String cid : list) { 9369 if (DEBUG_SD_INSTALL) 9370 Log.i(TAG, "Processing container " + cid); 9371 String pkgName = getAsecPackageName(cid); 9372 if (pkgName == null) { 9373 if (DEBUG_SD_INSTALL) 9374 Log.i(TAG, "Container : " + cid + " stale"); 9375 removeCids.add(cid); 9376 continue; 9377 } 9378 if (DEBUG_SD_INSTALL) 9379 Log.i(TAG, "Looking for pkg : " + pkgName); 9380 9381 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9382 if (ps == null) { 9383 Log.i(TAG, "Deleting container with no matching settings " + cid); 9384 removeCids.add(cid); 9385 continue; 9386 } 9387 9388 /* 9389 * Skip packages that are not external if we're unmounting 9390 * external storage. 9391 */ 9392 if (externalStorage && !isMounted && !isExternal(ps)) { 9393 continue; 9394 } 9395 9396 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 9397 // The package status is changed only if the code path 9398 // matches between settings and the container id. 9399 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 9400 if (DEBUG_SD_INSTALL) { 9401 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 9402 + " at code path: " + ps.codePathString); 9403 } 9404 9405 // We do have a valid package installed on sdcard 9406 processCids.put(args, ps.codePathString); 9407 final int uid = ps.appId; 9408 if (uid != -1) { 9409 uidList[num++] = uid; 9410 } 9411 } else { 9412 Log.i(TAG, "Deleting stale container for " + cid); 9413 removeCids.add(cid); 9414 } 9415 } 9416 } 9417 9418 if (num > 0) { 9419 // Sort uid list 9420 Arrays.sort(uidList, 0, num); 9421 // Throw away duplicates 9422 uidArr = new int[num]; 9423 uidArr[0] = uidList[0]; 9424 int di = 0; 9425 for (int i = 1; i < num; i++) { 9426 if (uidList[i - 1] != uidList[i]) { 9427 uidArr[di++] = uidList[i]; 9428 } 9429 } 9430 } 9431 } 9432 // Process packages with valid entries. 9433 if (isMounted) { 9434 if (DEBUG_SD_INSTALL) 9435 Log.i(TAG, "Loading packages"); 9436 loadMediaPackages(processCids, uidArr, removeCids); 9437 startCleaningPackages(-1); 9438 } else { 9439 if (DEBUG_SD_INSTALL) 9440 Log.i(TAG, "Unloading packages"); 9441 unloadMediaPackages(processCids, uidArr, reportStatus); 9442 } 9443 } 9444 9445 private void sendResourcesChangedBroadcast(boolean mediaStatus, ArrayList<String> pkgList, 9446 int uidArr[], IIntentReceiver finishedReceiver) { 9447 int size = pkgList.size(); 9448 if (size > 0) { 9449 // Send broadcasts here 9450 Bundle extras = new Bundle(); 9451 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 9452 .toArray(new String[size])); 9453 if (uidArr != null) { 9454 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 9455 } 9456 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 9457 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 9458 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 9459 } 9460 } 9461 9462 /* 9463 * Look at potentially valid container ids from processCids If package 9464 * information doesn't match the one on record or package scanning fails, 9465 * the cid is added to list of removeCids. We currently don't delete stale 9466 * containers. 9467 */ 9468 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 9469 HashSet<String> removeCids) { 9470 ArrayList<String> pkgList = new ArrayList<String>(); 9471 Set<AsecInstallArgs> keys = processCids.keySet(); 9472 boolean doGc = false; 9473 for (AsecInstallArgs args : keys) { 9474 String codePath = processCids.get(args); 9475 if (DEBUG_SD_INSTALL) 9476 Log.i(TAG, "Loading container : " + args.cid); 9477 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9478 try { 9479 // Make sure there are no container errors first. 9480 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 9481 Slog.e(TAG, "Failed to mount cid : " + args.cid 9482 + " when installing from sdcard"); 9483 continue; 9484 } 9485 // Check code path here. 9486 if (codePath == null || !codePath.equals(args.getCodePath())) { 9487 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 9488 + " does not match one in settings " + codePath); 9489 continue; 9490 } 9491 // Parse package 9492 int parseFlags = mDefParseFlags; 9493 if (args.isExternal()) { 9494 parseFlags |= PackageParser.PARSE_ON_SDCARD; 9495 } 9496 if (args.isFwdLocked()) { 9497 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 9498 } 9499 9500 doGc = true; 9501 synchronized (mInstallLock) { 9502 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 9503 0, 0, null); 9504 // Scan the package 9505 if (pkg != null) { 9506 /* 9507 * TODO why is the lock being held? doPostInstall is 9508 * called in other places without the lock. This needs 9509 * to be straightened out. 9510 */ 9511 // writer 9512 synchronized (mPackages) { 9513 retCode = PackageManager.INSTALL_SUCCEEDED; 9514 pkgList.add(pkg.packageName); 9515 // Post process args 9516 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 9517 pkg.applicationInfo.uid); 9518 } 9519 } else { 9520 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 9521 } 9522 } 9523 9524 } finally { 9525 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 9526 // Don't destroy container here. Wait till gc clears things 9527 // up. 9528 removeCids.add(args.cid); 9529 } 9530 } 9531 } 9532 // writer 9533 synchronized (mPackages) { 9534 // If the platform SDK has changed since the last time we booted, 9535 // we need to re-grant app permission to catch any new ones that 9536 // appear. This is really a hack, and means that apps can in some 9537 // cases get permissions that the user didn't initially explicitly 9538 // allow... it would be nice to have some better way to handle 9539 // this situation. 9540 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 9541 if (regrantPermissions) 9542 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 9543 + mSdkVersion + "; regranting permissions for external storage"); 9544 mSettings.mExternalSdkPlatform = mSdkVersion; 9545 9546 // Make sure group IDs have been assigned, and any permission 9547 // changes in other apps are accounted for 9548 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 9549 | (regrantPermissions 9550 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 9551 : 0)); 9552 // can downgrade to reader 9553 // Persist settings 9554 mSettings.writeLPr(); 9555 } 9556 // Send a broadcast to let everyone know we are done processing 9557 if (pkgList.size() > 0) { 9558 sendResourcesChangedBroadcast(true, pkgList, uidArr, null); 9559 } 9560 // Force gc to avoid any stale parser references that we might have. 9561 if (doGc) { 9562 Runtime.getRuntime().gc(); 9563 } 9564 // List stale containers and destroy stale temporary containers. 9565 if (removeCids != null) { 9566 for (String cid : removeCids) { 9567 if (cid.startsWith(mTempContainerPrefix)) { 9568 Log.i(TAG, "Destroying stale temporary container " + cid); 9569 PackageHelper.destroySdDir(cid); 9570 } else { 9571 Log.w(TAG, "Container " + cid + " is stale"); 9572 } 9573 } 9574 } 9575 } 9576 9577 /* 9578 * Utility method to unload a list of specified containers 9579 */ 9580 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 9581 // Just unmount all valid containers. 9582 for (AsecInstallArgs arg : cidArgs) { 9583 synchronized (mInstallLock) { 9584 arg.doPostDeleteLI(false); 9585 } 9586 } 9587 } 9588 9589 /* 9590 * Unload packages mounted on external media. This involves deleting package 9591 * data from internal structures, sending broadcasts about diabled packages, 9592 * gc'ing to free up references, unmounting all secure containers 9593 * corresponding to packages on external media, and posting a 9594 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 9595 * that we always have to post this message if status has been requested no 9596 * matter what. 9597 */ 9598 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 9599 final boolean reportStatus) { 9600 if (DEBUG_SD_INSTALL) 9601 Log.i(TAG, "unloading media packages"); 9602 ArrayList<String> pkgList = new ArrayList<String>(); 9603 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 9604 final Set<AsecInstallArgs> keys = processCids.keySet(); 9605 for (AsecInstallArgs args : keys) { 9606 String pkgName = args.getPackageName(); 9607 if (DEBUG_SD_INSTALL) 9608 Log.i(TAG, "Trying to unload pkg : " + pkgName); 9609 // Delete package internally 9610 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 9611 synchronized (mInstallLock) { 9612 boolean res = deletePackageLI(pkgName, null, false, 9613 PackageManager.DELETE_KEEP_DATA, outInfo, false); 9614 if (res) { 9615 pkgList.add(pkgName); 9616 } else { 9617 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 9618 failedList.add(args); 9619 } 9620 } 9621 } 9622 9623 // reader 9624 synchronized (mPackages) { 9625 // We didn't update the settings after removing each package; 9626 // write them now for all packages. 9627 mSettings.writeLPr(); 9628 } 9629 9630 // We have to absolutely send UPDATED_MEDIA_STATUS only 9631 // after confirming that all the receivers processed the ordered 9632 // broadcast when packages get disabled, force a gc to clean things up. 9633 // and unload all the containers. 9634 if (pkgList.size() > 0) { 9635 sendResourcesChangedBroadcast(false, pkgList, uidArr, new IIntentReceiver.Stub() { 9636 public void performReceive(Intent intent, int resultCode, String data, 9637 Bundle extras, boolean ordered, boolean sticky, 9638 int sendingUser) throws RemoteException { 9639 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 9640 reportStatus ? 1 : 0, 1, keys); 9641 mHandler.sendMessage(msg); 9642 } 9643 }); 9644 } else { 9645 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 9646 keys); 9647 mHandler.sendMessage(msg); 9648 } 9649 } 9650 9651 /** Binder call */ 9652 @Override 9653 public void movePackage(final String packageName, final IPackageMoveObserver observer, 9654 final int flags) { 9655 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 9656 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 9657 int returnCode = PackageManager.MOVE_SUCCEEDED; 9658 int currFlags = 0; 9659 int newFlags = 0; 9660 // reader 9661 synchronized (mPackages) { 9662 PackageParser.Package pkg = mPackages.get(packageName); 9663 if (pkg == null) { 9664 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 9665 } else { 9666 // Disable moving fwd locked apps and system packages 9667 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 9668 Slog.w(TAG, "Cannot move system application"); 9669 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 9670 } else if (pkg.mOperationPending) { 9671 Slog.w(TAG, "Attempt to move package which has pending operations"); 9672 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 9673 } else { 9674 // Find install location first 9675 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 9676 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 9677 Slog.w(TAG, "Ambigous flags specified for move location."); 9678 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 9679 } else { 9680 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 9681 : PackageManager.INSTALL_INTERNAL; 9682 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 9683 : PackageManager.INSTALL_INTERNAL; 9684 9685 if (newFlags == currFlags) { 9686 Slog.w(TAG, "No move required. Trying to move to same location"); 9687 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 9688 } else { 9689 if (isForwardLocked(pkg)) { 9690 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9691 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9692 } 9693 } 9694 } 9695 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 9696 pkg.mOperationPending = true; 9697 } 9698 } 9699 } 9700 9701 /* 9702 * TODO this next block probably shouldn't be inside the lock. We 9703 * can't guarantee these won't change after this is fired off 9704 * anyway. 9705 */ 9706 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 9707 processPendingMove(new MoveParams(null, observer, 0, packageName, 9708 null, -1, user), 9709 returnCode); 9710 } else { 9711 Message msg = mHandler.obtainMessage(INIT_COPY); 9712 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 9713 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 9714 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 9715 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 9716 msg.obj = mp; 9717 mHandler.sendMessage(msg); 9718 } 9719 } 9720 } 9721 9722 private void processPendingMove(final MoveParams mp, final int currentStatus) { 9723 // Queue up an async operation since the package deletion may take a 9724 // little while. 9725 mHandler.post(new Runnable() { 9726 public void run() { 9727 // TODO fix this; this does nothing. 9728 mHandler.removeCallbacks(this); 9729 int returnCode = currentStatus; 9730 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 9731 int uidArr[] = null; 9732 ArrayList<String> pkgList = null; 9733 synchronized (mPackages) { 9734 PackageParser.Package pkg = mPackages.get(mp.packageName); 9735 if (pkg == null) { 9736 Slog.w(TAG, " Package " + mp.packageName 9737 + " doesn't exist. Aborting move"); 9738 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 9739 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 9740 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 9741 + mp.srcArgs.getCodePath() + " to " 9742 + pkg.applicationInfo.sourceDir 9743 + " Aborting move and returning error"); 9744 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 9745 } else { 9746 uidArr = new int[] { 9747 pkg.applicationInfo.uid 9748 }; 9749 pkgList = new ArrayList<String>(); 9750 pkgList.add(mp.packageName); 9751 } 9752 } 9753 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 9754 // Send resources unavailable broadcast 9755 sendResourcesChangedBroadcast(false, pkgList, uidArr, null); 9756 // Update package code and resource paths 9757 synchronized (mInstallLock) { 9758 synchronized (mPackages) { 9759 PackageParser.Package pkg = mPackages.get(mp.packageName); 9760 // Recheck for package again. 9761 if (pkg == null) { 9762 Slog.w(TAG, " Package " + mp.packageName 9763 + " doesn't exist. Aborting move"); 9764 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 9765 } else if (!mp.srcArgs.getCodePath().equals( 9766 pkg.applicationInfo.sourceDir)) { 9767 Slog.w(TAG, "Package " + mp.packageName 9768 + " code path changed from " + mp.srcArgs.getCodePath() 9769 + " to " + pkg.applicationInfo.sourceDir 9770 + " Aborting move and returning error"); 9771 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 9772 } else { 9773 final String oldCodePath = pkg.mPath; 9774 final String newCodePath = mp.targetArgs.getCodePath(); 9775 final String newResPath = mp.targetArgs.getResourcePath(); 9776 final String newNativePath = mp.targetArgs 9777 .getNativeLibraryPath(); 9778 9779 try { 9780 final File newNativeDir = new File(newNativePath); 9781 9782 final String libParentDir = newNativeDir.getParentFile() 9783 .getCanonicalPath(); 9784 if (newNativeDir.getParentFile().getCanonicalPath() 9785 .equals(pkg.applicationInfo.dataDir)) { 9786 if (mInstaller 9787 .unlinkNativeLibraryDirectory(pkg.applicationInfo.dataDir) < 0) { 9788 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9789 } else { 9790 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 9791 new File(newCodePath), newNativeDir); 9792 } 9793 } else { 9794 if (mInstaller.linkNativeLibraryDirectory( 9795 pkg.applicationInfo.dataDir, newNativePath) < 0) { 9796 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9797 } 9798 } 9799 } catch (IOException e) { 9800 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 9801 } 9802 9803 9804 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 9805 pkg.mPath = newCodePath; 9806 // Move dex files around 9807 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 9808 // Moving of dex files failed. Set 9809 // error code and abort move. 9810 pkg.mPath = pkg.mScanPath; 9811 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 9812 } 9813 } 9814 9815 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 9816 pkg.mScanPath = newCodePath; 9817 pkg.applicationInfo.sourceDir = newCodePath; 9818 pkg.applicationInfo.publicSourceDir = newResPath; 9819 pkg.applicationInfo.nativeLibraryDir = newNativePath; 9820 PackageSetting ps = (PackageSetting) pkg.mExtras; 9821 ps.codePath = new File(pkg.applicationInfo.sourceDir); 9822 ps.codePathString = ps.codePath.getPath(); 9823 ps.resourcePath = new File( 9824 pkg.applicationInfo.publicSourceDir); 9825 ps.resourcePathString = ps.resourcePath.getPath(); 9826 ps.nativeLibraryPathString = newNativePath; 9827 // Set the application info flag 9828 // correctly. 9829 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 9830 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 9831 } else { 9832 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 9833 } 9834 ps.setFlags(pkg.applicationInfo.flags); 9835 mAppDirs.remove(oldCodePath); 9836 mAppDirs.put(newCodePath, pkg); 9837 // Persist settings 9838 mSettings.writeLPr(); 9839 } 9840 } 9841 } 9842 } 9843 // Send resources available broadcast 9844 sendResourcesChangedBroadcast(true, pkgList, uidArr, null); 9845 } 9846 } 9847 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 9848 // Clean up failed installation 9849 if (mp.targetArgs != null) { 9850 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 9851 -1); 9852 } 9853 } else { 9854 // Force a gc to clear things up. 9855 Runtime.getRuntime().gc(); 9856 // Delete older code 9857 synchronized (mInstallLock) { 9858 mp.srcArgs.doPostDeleteLI(true); 9859 } 9860 } 9861 9862 // Allow more operations on this file if we didn't fail because 9863 // an operation was already pending for this package. 9864 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 9865 synchronized (mPackages) { 9866 PackageParser.Package pkg = mPackages.get(mp.packageName); 9867 if (pkg != null) { 9868 pkg.mOperationPending = false; 9869 } 9870 } 9871 } 9872 9873 IPackageMoveObserver observer = mp.observer; 9874 if (observer != null) { 9875 try { 9876 observer.packageMoved(mp.packageName, returnCode); 9877 } catch (RemoteException e) { 9878 Log.i(TAG, "Observer no longer exists."); 9879 } 9880 } 9881 } 9882 }); 9883 } 9884 9885 public boolean setInstallLocation(int loc) { 9886 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 9887 null); 9888 if (getInstallLocation() == loc) { 9889 return true; 9890 } 9891 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 9892 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 9893 android.provider.Settings.System.putInt(mContext.getContentResolver(), 9894 android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, loc); 9895 return true; 9896 } 9897 return false; 9898 } 9899 9900 public int getInstallLocation() { 9901 return android.provider.Settings.System.getInt(mContext.getContentResolver(), 9902 android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, 9903 PackageHelper.APP_INSTALL_AUTO); 9904 } 9905 9906 /** Called by UserManagerService */ 9907 void cleanUpUserLILPw(int userHandle) { 9908 // Disable all the packages for the user first 9909 Set<Entry<String, PackageSetting>> entries = mSettings.mPackages.entrySet(); 9910 for (Entry<String, PackageSetting> entry : entries) { 9911 entry.getValue().removeUser(userHandle); 9912 } 9913 if (mDirtyUsers.remove(userHandle)); 9914 mSettings.removeUserLPr(userHandle); 9915 if (mInstaller != null) { 9916 // Technically, we shouldn't be doing this with the package lock 9917 // held. However, this is very rare, and there is already so much 9918 // other disk I/O going on, that we'll let it slide for now. 9919 mInstaller.removeUserDataDirs(userHandle); 9920 } 9921 } 9922 9923 /** Called by UserManagerService */ 9924 void createNewUserLILPw(int userHandle, File path) { 9925 if (mInstaller != null) { 9926 path.mkdir(); 9927 FileUtils.setPermissions(path.toString(), FileUtils.S_IRWXU | FileUtils.S_IRWXG 9928 | FileUtils.S_IXOTH, -1, -1); 9929 for (PackageSetting ps : mSettings.mPackages.values()) { 9930 // Only system apps are initially installed. 9931 ps.setInstalled((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0, userHandle); 9932 // Need to create a data directory for all apps under this user. 9933 mInstaller.createUserData(ps.name, 9934 UserHandle.getUid(userHandle, ps.appId), userHandle); 9935 } 9936 mSettings.writePackageRestrictionsLPr(userHandle); 9937 } 9938 } 9939 9940 @Override 9941 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 9942 mContext.enforceCallingOrSelfPermission( 9943 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9944 "Only package verification agents can read the verifier device identity"); 9945 9946 synchronized (mPackages) { 9947 return mSettings.getVerifierDeviceIdentityLPw(); 9948 } 9949 } 9950 9951 @Override 9952 public void setPermissionEnforced(String permission, boolean enforced) { 9953 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 9954 if (READ_EXTERNAL_STORAGE.equals(permission)) { 9955 synchronized (mPackages) { 9956 if (mSettings.mReadExternalStorageEnforced == null 9957 || mSettings.mReadExternalStorageEnforced != enforced) { 9958 mSettings.mReadExternalStorageEnforced = enforced; 9959 mSettings.writeLPr(); 9960 9961 // kill any non-foreground processes so we restart them and 9962 // grant/revoke the GID. 9963 final IActivityManager am = ActivityManagerNative.getDefault(); 9964 if (am != null) { 9965 final long token = Binder.clearCallingIdentity(); 9966 try { 9967 am.killProcessesBelowForeground("setPermissionEnforcement"); 9968 } catch (RemoteException e) { 9969 } finally { 9970 Binder.restoreCallingIdentity(token); 9971 } 9972 } 9973 } 9974 } 9975 } else { 9976 throw new IllegalArgumentException("No selective enforcement for " + permission); 9977 } 9978 } 9979 9980 @Override 9981 public boolean isPermissionEnforced(String permission) { 9982 synchronized (mPackages) { 9983 return isPermissionEnforcedLocked(permission); 9984 } 9985 } 9986 9987 private boolean isPermissionEnforcedLocked(String permission) { 9988 if (READ_EXTERNAL_STORAGE.equals(permission)) { 9989 if (mSettings.mReadExternalStorageEnforced != null) { 9990 return mSettings.mReadExternalStorageEnforced; 9991 } else { 9992 // if user hasn't defined, fall back to secure default 9993 return Secure.getInt(mContext.getContentResolver(), 9994 Secure.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT, 0) != 0; 9995 } 9996 } else { 9997 return true; 9998 } 9999 } 10000 10001 public boolean isStorageLow() { 10002 final long token = Binder.clearCallingIdentity(); 10003 try { 10004 final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager 10005 .getService(DeviceStorageMonitorService.SERVICE); 10006 return dsm.isMemoryLow(); 10007 } finally { 10008 Binder.restoreCallingIdentity(token); 10009 } 10010 } 10011} 10012