PackageManagerService.java revision 8b3e3ecc3d1a0ab45c02e7cb84bc7db856d21f1d
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static com.android.internal.util.ArrayUtils.appendInt; 27import static com.android.internal.util.ArrayUtils.removeInt; 28import static libcore.io.OsConstants.S_IRWXU; 29import static libcore.io.OsConstants.S_IRGRP; 30import static libcore.io.OsConstants.S_IXGRP; 31import static libcore.io.OsConstants.S_IROTH; 32import static libcore.io.OsConstants.S_IXOTH; 33 34import com.android.internal.app.IMediaContainerService; 35import com.android.internal.app.ResolverActivity; 36import com.android.internal.content.NativeLibraryHelper; 37import com.android.internal.content.PackageHelper; 38import com.android.internal.util.FastPrintWriter; 39import com.android.internal.util.FastXmlSerializer; 40import com.android.internal.util.XmlUtils; 41import com.android.server.EventLogTags; 42import com.android.server.IntentResolver; 43import com.android.server.ServiceThread; 44 45import com.android.server.LocalServices; 46import com.android.server.Watchdog; 47import org.xmlpull.v1.XmlPullParser; 48import org.xmlpull.v1.XmlPullParserException; 49import org.xmlpull.v1.XmlSerializer; 50 51import android.app.ActivityManager; 52import android.app.ActivityManagerNative; 53import android.app.IActivityManager; 54import android.app.admin.IDevicePolicyManager; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.IIntentReceiver; 60import android.content.Intent; 61import android.content.IntentFilter; 62import android.content.IntentSender; 63import android.content.ServiceConnection; 64import android.content.IntentSender.SendIntentException; 65import android.content.pm.ActivityInfo; 66import android.content.pm.ApplicationInfo; 67import android.content.pm.ContainerEncryptionParams; 68import android.content.pm.FeatureInfo; 69import android.content.pm.IPackageDataObserver; 70import android.content.pm.IPackageDeleteObserver; 71import android.content.pm.IPackageInstallObserver; 72import android.content.pm.IPackageManager; 73import android.content.pm.IPackageMoveObserver; 74import android.content.pm.IPackageStatsObserver; 75import android.content.pm.InstrumentationInfo; 76import android.content.pm.PackageCleanItem; 77import android.content.pm.PackageInfo; 78import android.content.pm.PackageInfoLite; 79import android.content.pm.PackageManager; 80import android.content.pm.PackageParser; 81import android.content.pm.PackageUserState; 82import android.content.pm.PackageParser.ActivityIntentInfo; 83import android.content.pm.PackageStats; 84import android.content.pm.ParceledListSlice; 85import android.content.pm.PermissionGroupInfo; 86import android.content.pm.PermissionInfo; 87import android.content.pm.ProviderInfo; 88import android.content.pm.ResolveInfo; 89import android.content.pm.ServiceInfo; 90import android.content.pm.Signature; 91import android.content.pm.ManifestDigest; 92import android.content.pm.VerificationParams; 93import android.content.pm.VerifierDeviceIdentity; 94import android.content.pm.VerifierInfo; 95import android.content.res.Resources; 96import android.hardware.display.DisplayManager; 97import android.net.Uri; 98import android.os.Binder; 99import android.os.Build; 100import android.os.Bundle; 101import android.os.Environment; 102import android.os.FileObserver; 103import android.os.FileUtils; 104import android.os.Handler; 105import android.os.HandlerThread; 106import android.os.IBinder; 107import android.os.Looper; 108import android.os.Message; 109import android.os.Parcel; 110import android.os.ParcelFileDescriptor; 111import android.os.Process; 112import android.os.RemoteException; 113import android.os.SELinux; 114import android.os.ServiceManager; 115import android.os.SystemClock; 116import android.os.SystemProperties; 117import android.os.UserHandle; 118import android.os.Environment.UserEnvironment; 119import android.os.UserManager; 120import android.security.KeyStore; 121import android.security.SystemKeyStore; 122import android.text.TextUtils; 123import android.util.DisplayMetrics; 124import android.util.EventLog; 125import android.util.Log; 126import android.util.LogPrinter; 127import android.util.PrintStreamPrinter; 128import android.util.Slog; 129import android.util.SparseArray; 130import android.util.Xml; 131import android.view.Display; 132 133import java.io.BufferedOutputStream; 134import java.io.File; 135import java.io.FileDescriptor; 136import java.io.FileInputStream; 137import java.io.FileNotFoundException; 138import java.io.FileOutputStream; 139import java.io.FileReader; 140import java.io.FilenameFilter; 141import java.io.IOException; 142import java.io.PrintWriter; 143import java.security.NoSuchAlgorithmException; 144import java.security.PublicKey; 145import java.security.cert.CertificateException; 146import java.text.SimpleDateFormat; 147import java.util.ArrayList; 148import java.util.Arrays; 149import java.util.Collection; 150import java.util.Collections; 151import java.util.Comparator; 152import java.util.Date; 153import java.util.HashMap; 154import java.util.HashSet; 155import java.util.Iterator; 156import java.util.List; 157import java.util.Map; 158import java.util.Set; 159 160import libcore.io.ErrnoException; 161import libcore.io.IoUtils; 162import libcore.io.Libcore; 163import libcore.io.StructStat; 164 165import com.android.internal.R; 166import com.android.server.storage.DeviceStorageMonitorInternal; 167 168/** 169 * Keep track of all those .apks everywhere. 170 * 171 * This is very central to the platform's security; please run the unit 172 * tests whenever making modifications here: 173 * 174mmm frameworks/base/tests/AndroidTests 175adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 176adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 177 * 178 * {@hide} 179 */ 180public class PackageManagerService extends IPackageManager.Stub { 181 static final String TAG = "PackageManager"; 182 static final boolean DEBUG_SETTINGS = false; 183 static final boolean DEBUG_PREFERRED = false; 184 static final boolean DEBUG_UPGRADE = false; 185 private static final boolean DEBUG_INSTALL = false; 186 private static final boolean DEBUG_REMOVE = false; 187 private static final boolean DEBUG_BROADCASTS = false; 188 private static final boolean DEBUG_SHOW_INFO = false; 189 private static final boolean DEBUG_PACKAGE_INFO = false; 190 private static final boolean DEBUG_INTENT_MATCHING = false; 191 private static final boolean DEBUG_PACKAGE_SCANNING = false; 192 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 193 private static final boolean DEBUG_VERIFY = false; 194 195 private static final int RADIO_UID = Process.PHONE_UID; 196 private static final int LOG_UID = Process.LOG_UID; 197 private static final int NFC_UID = Process.NFC_UID; 198 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 199 private static final int SHELL_UID = Process.SHELL_UID; 200 201 private static final boolean GET_CERTIFICATES = true; 202 203 private static final int REMOVE_EVENTS = 204 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 205 private static final int ADD_EVENTS = 206 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 207 208 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 209 // Suffix used during package installation when copying/moving 210 // package apks to install directory. 211 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 212 213 static final int SCAN_MONITOR = 1<<0; 214 static final int SCAN_NO_DEX = 1<<1; 215 static final int SCAN_FORCE_DEX = 1<<2; 216 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 217 static final int SCAN_NEW_INSTALL = 1<<4; 218 static final int SCAN_NO_PATHS = 1<<5; 219 static final int SCAN_UPDATE_TIME = 1<<6; 220 static final int SCAN_DEFER_DEX = 1<<7; 221 static final int SCAN_BOOTING = 1<<8; 222 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<9; 223 224 static final int REMOVE_CHATTY = 1<<16; 225 226 /** 227 * Timeout (in milliseconds) after which the watchdog should declare that 228 * our handler thread is wedged. The usual default for such things is one 229 * minute but we sometimes do very lengthy I/O operations on this thread, 230 * such as installing multi-gigabyte applications, so ours needs to be longer. 231 */ 232 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 233 234 /** 235 * Whether verification is enabled by default. 236 */ 237 private static final boolean DEFAULT_VERIFY_ENABLE = true; 238 239 /** 240 * The default maximum time to wait for the verification agent to return in 241 * milliseconds. 242 */ 243 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 244 245 /** 246 * The default response for package verification timeout. 247 * 248 * This can be either PackageManager.VERIFICATION_ALLOW or 249 * PackageManager.VERIFICATION_REJECT. 250 */ 251 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 252 253 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 254 255 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 256 DEFAULT_CONTAINER_PACKAGE, 257 "com.android.defcontainer.DefaultContainerService"); 258 259 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 260 261 private static final String LIB_DIR_NAME = "lib"; 262 263 static final String mTempContainerPrefix = "smdl2tmp"; 264 265 final ServiceThread mHandlerThread; 266 final PackageHandler mHandler; 267 268 final int mSdkVersion = Build.VERSION.SDK_INT; 269 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 270 ? null : Build.VERSION.CODENAME; 271 272 final Context mContext; 273 final boolean mFactoryTest; 274 final boolean mOnlyCore; 275 final boolean mNoDexOpt; 276 final DisplayMetrics mMetrics; 277 final int mDefParseFlags; 278 final String[] mSeparateProcesses; 279 280 // This is where all application persistent data goes. 281 final File mAppDataDir; 282 283 // This is where all application persistent data goes for secondary users. 284 final File mUserAppDataDir; 285 286 /** The location for ASEC container files on internal storage. */ 287 final String mAsecInternalPath; 288 289 // This is the object monitoring the framework dir. 290 final FileObserver mFrameworkInstallObserver; 291 292 // This is the object monitoring the system app dir. 293 final FileObserver mSystemInstallObserver; 294 295 // This is the object monitoring the privileged system app dir. 296 final FileObserver mPrivilegedInstallObserver; 297 298 // This is the object monitoring the system app dir. 299 final FileObserver mVendorInstallObserver; 300 301 // This is the object monitoring mAppInstallDir. 302 final FileObserver mAppInstallObserver; 303 304 // This is the object monitoring mDrmAppPrivateInstallDir. 305 final FileObserver mDrmAppInstallObserver; 306 307 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 308 // LOCK HELD. Can be called with mInstallLock held. 309 final Installer mInstaller; 310 311 final File mAppInstallDir; 312 313 /** 314 * Directory to which applications installed internally have native 315 * libraries copied. 316 */ 317 private File mAppLibInstallDir; 318 319 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 320 // apps. 321 final File mDrmAppPrivateInstallDir; 322 323 // ---------------------------------------------------------------- 324 325 // Lock for state used when installing and doing other long running 326 // operations. Methods that must be called with this lock held have 327 // the prefix "LI". 328 final Object mInstallLock = new Object(); 329 330 // These are the directories in the 3rd party applications installed dir 331 // that we have currently loaded packages from. Keys are the application's 332 // installed zip file (absolute codePath), and values are Package. 333 final HashMap<String, PackageParser.Package> mAppDirs = 334 new HashMap<String, PackageParser.Package>(); 335 336 // Information for the parser to write more useful error messages. 337 int mLastScanError; 338 339 // ---------------------------------------------------------------- 340 341 // Keys are String (package name), values are Package. This also serves 342 // as the lock for the global state. Methods that must be called with 343 // this lock held have the prefix "LP". 344 final HashMap<String, PackageParser.Package> mPackages = 345 new HashMap<String, PackageParser.Package>(); 346 347 final Settings mSettings; 348 boolean mRestoredSettings; 349 350 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 351 int[] mGlobalGids; 352 353 // These are the built-in uid -> permission mappings that were read from the 354 // etc/permissions.xml file. 355 final SparseArray<HashSet<String>> mSystemPermissions = 356 new SparseArray<HashSet<String>>(); 357 358 static final class SharedLibraryEntry { 359 final String path; 360 final String apk; 361 362 SharedLibraryEntry(String _path, String _apk) { 363 path = _path; 364 apk = _apk; 365 } 366 } 367 368 // These are the built-in shared libraries that were read from the 369 // etc/permissions.xml file. 370 final HashMap<String, SharedLibraryEntry> mSharedLibraries 371 = new HashMap<String, SharedLibraryEntry>(); 372 373 // Temporary for building the final shared libraries for an .apk. 374 String[] mTmpSharedLibraries = null; 375 376 // These are the features this devices supports that were read from the 377 // etc/permissions.xml file. 378 final HashMap<String, FeatureInfo> mAvailableFeatures = 379 new HashMap<String, FeatureInfo>(); 380 381 // If mac_permissions.xml was found for seinfo labeling. 382 boolean mFoundPolicyFile; 383 384 // All available activities, for your resolving pleasure. 385 final ActivityIntentResolver mActivities = 386 new ActivityIntentResolver(); 387 388 // All available receivers, for your resolving pleasure. 389 final ActivityIntentResolver mReceivers = 390 new ActivityIntentResolver(); 391 392 // All available services, for your resolving pleasure. 393 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 394 395 // All available providers, for your resolving pleasure. 396 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 397 398 // Mapping from provider base names (first directory in content URI codePath) 399 // to the provider information. 400 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 401 new HashMap<String, PackageParser.Provider>(); 402 403 // Mapping from instrumentation class names to info about them. 404 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 405 new HashMap<ComponentName, PackageParser.Instrumentation>(); 406 407 // Mapping from permission names to info about them. 408 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 409 new HashMap<String, PackageParser.PermissionGroup>(); 410 411 // Packages whose data we have transfered into another package, thus 412 // should no longer exist. 413 final HashSet<String> mTransferedPackages = new HashSet<String>(); 414 415 // Broadcast actions that are only available to the system. 416 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 417 418 /** List of packages waiting for verification. */ 419 final SparseArray<PackageVerificationState> mPendingVerification 420 = new SparseArray<PackageVerificationState>(); 421 422 HashSet<PackageParser.Package> mDeferredDexOpt = null; 423 424 /** Token for keys in mPendingVerification. */ 425 private int mPendingVerificationToken = 0; 426 427 boolean mSystemReady; 428 boolean mSafeMode; 429 boolean mHasSystemUidErrors; 430 431 ApplicationInfo mAndroidApplication; 432 final ActivityInfo mResolveActivity = new ActivityInfo(); 433 final ResolveInfo mResolveInfo = new ResolveInfo(); 434 ComponentName mResolveComponentName; 435 PackageParser.Package mPlatformPackage; 436 ComponentName mCustomResolverComponentName; 437 438 boolean mResolverReplaced = false; 439 440 // Set of pending broadcasts for aggregating enable/disable of components. 441 static class PendingPackageBroadcasts { 442 // for each user id, a map of <package name -> components within that package> 443 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 444 445 public PendingPackageBroadcasts() { 446 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 447 } 448 449 public ArrayList<String> get(int userId, String packageName) { 450 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 451 return packages.get(packageName); 452 } 453 454 public void put(int userId, String packageName, ArrayList<String> components) { 455 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 456 packages.put(packageName, components); 457 } 458 459 public void remove(int userId, String packageName) { 460 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 461 if (packages != null) { 462 packages.remove(packageName); 463 } 464 } 465 466 public void remove(int userId) { 467 mUidMap.remove(userId); 468 } 469 470 public int userIdCount() { 471 return mUidMap.size(); 472 } 473 474 public int userIdAt(int n) { 475 return mUidMap.keyAt(n); 476 } 477 478 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 479 return mUidMap.get(userId); 480 } 481 482 public int size() { 483 // total number of pending broadcast entries across all userIds 484 int num = 0; 485 for (int i = 0; i< mUidMap.size(); i++) { 486 num += mUidMap.valueAt(i).size(); 487 } 488 return num; 489 } 490 491 public void clear() { 492 mUidMap.clear(); 493 } 494 495 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 496 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 497 if (map == null) { 498 map = new HashMap<String, ArrayList<String>>(); 499 mUidMap.put(userId, map); 500 } 501 return map; 502 } 503 } 504 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 505 506 // Service Connection to remote media container service to copy 507 // package uri's from external media onto secure containers 508 // or internal storage. 509 private IMediaContainerService mContainerService = null; 510 511 static final int SEND_PENDING_BROADCAST = 1; 512 static final int MCS_BOUND = 3; 513 static final int END_COPY = 4; 514 static final int INIT_COPY = 5; 515 static final int MCS_UNBIND = 6; 516 static final int START_CLEANING_PACKAGE = 7; 517 static final int FIND_INSTALL_LOC = 8; 518 static final int POST_INSTALL = 9; 519 static final int MCS_RECONNECT = 10; 520 static final int MCS_GIVE_UP = 11; 521 static final int UPDATED_MEDIA_STATUS = 12; 522 static final int WRITE_SETTINGS = 13; 523 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 524 static final int PACKAGE_VERIFIED = 15; 525 static final int CHECK_PENDING_VERIFICATION = 16; 526 527 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 528 529 // Delay time in millisecs 530 static final int BROADCAST_DELAY = 10 * 1000; 531 532 static UserManagerService sUserManager; 533 534 // Stores a list of users whose package restrictions file needs to be updated 535 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 536 537 final private DefaultContainerConnection mDefContainerConn = 538 new DefaultContainerConnection(); 539 class DefaultContainerConnection implements ServiceConnection { 540 public void onServiceConnected(ComponentName name, IBinder service) { 541 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 542 IMediaContainerService imcs = 543 IMediaContainerService.Stub.asInterface(service); 544 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 545 } 546 547 public void onServiceDisconnected(ComponentName name) { 548 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 549 } 550 }; 551 552 // Recordkeeping of restore-after-install operations that are currently in flight 553 // between the Package Manager and the Backup Manager 554 class PostInstallData { 555 public InstallArgs args; 556 public PackageInstalledInfo res; 557 558 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 559 args = _a; 560 res = _r; 561 } 562 }; 563 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 564 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 565 566 private final String mRequiredVerifierPackage; 567 568 class PackageHandler extends Handler { 569 private boolean mBound = false; 570 final ArrayList<HandlerParams> mPendingInstalls = 571 new ArrayList<HandlerParams>(); 572 573 private boolean connectToService() { 574 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 575 " DefaultContainerService"); 576 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 577 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 578 if (mContext.bindServiceAsUser(service, mDefContainerConn, 579 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 580 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 581 mBound = true; 582 return true; 583 } 584 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 585 return false; 586 } 587 588 private void disconnectService() { 589 mContainerService = null; 590 mBound = false; 591 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 592 mContext.unbindService(mDefContainerConn); 593 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 594 } 595 596 PackageHandler(Looper looper) { 597 super(looper); 598 } 599 600 public void handleMessage(Message msg) { 601 try { 602 doHandleMessage(msg); 603 } finally { 604 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 605 } 606 } 607 608 void doHandleMessage(Message msg) { 609 switch (msg.what) { 610 case INIT_COPY: { 611 HandlerParams params = (HandlerParams) msg.obj; 612 int idx = mPendingInstalls.size(); 613 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 614 // If a bind was already initiated we dont really 615 // need to do anything. The pending install 616 // will be processed later on. 617 if (!mBound) { 618 // If this is the only one pending we might 619 // have to bind to the service again. 620 if (!connectToService()) { 621 Slog.e(TAG, "Failed to bind to media container service"); 622 params.serviceError(); 623 return; 624 } else { 625 // Once we bind to the service, the first 626 // pending request will be processed. 627 mPendingInstalls.add(idx, params); 628 } 629 } else { 630 mPendingInstalls.add(idx, params); 631 // Already bound to the service. Just make 632 // sure we trigger off processing the first request. 633 if (idx == 0) { 634 mHandler.sendEmptyMessage(MCS_BOUND); 635 } 636 } 637 break; 638 } 639 case MCS_BOUND: { 640 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 641 if (msg.obj != null) { 642 mContainerService = (IMediaContainerService) msg.obj; 643 } 644 if (mContainerService == null) { 645 // Something seriously wrong. Bail out 646 Slog.e(TAG, "Cannot bind to media container service"); 647 for (HandlerParams params : mPendingInstalls) { 648 // Indicate service bind error 649 params.serviceError(); 650 } 651 mPendingInstalls.clear(); 652 } else if (mPendingInstalls.size() > 0) { 653 HandlerParams params = mPendingInstalls.get(0); 654 if (params != null) { 655 if (params.startCopy()) { 656 // We are done... look for more work or to 657 // go idle. 658 if (DEBUG_SD_INSTALL) Log.i(TAG, 659 "Checking for more work or unbind..."); 660 // Delete pending install 661 if (mPendingInstalls.size() > 0) { 662 mPendingInstalls.remove(0); 663 } 664 if (mPendingInstalls.size() == 0) { 665 if (mBound) { 666 if (DEBUG_SD_INSTALL) Log.i(TAG, 667 "Posting delayed MCS_UNBIND"); 668 removeMessages(MCS_UNBIND); 669 Message ubmsg = obtainMessage(MCS_UNBIND); 670 // Unbind after a little delay, to avoid 671 // continual thrashing. 672 sendMessageDelayed(ubmsg, 10000); 673 } 674 } else { 675 // There are more pending requests in queue. 676 // Just post MCS_BOUND message to trigger processing 677 // of next pending install. 678 if (DEBUG_SD_INSTALL) Log.i(TAG, 679 "Posting MCS_BOUND for next woek"); 680 mHandler.sendEmptyMessage(MCS_BOUND); 681 } 682 } 683 } 684 } else { 685 // Should never happen ideally. 686 Slog.w(TAG, "Empty queue"); 687 } 688 break; 689 } 690 case MCS_RECONNECT: { 691 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 692 if (mPendingInstalls.size() > 0) { 693 if (mBound) { 694 disconnectService(); 695 } 696 if (!connectToService()) { 697 Slog.e(TAG, "Failed to bind to media container service"); 698 for (HandlerParams params : mPendingInstalls) { 699 // Indicate service bind error 700 params.serviceError(); 701 } 702 mPendingInstalls.clear(); 703 } 704 } 705 break; 706 } 707 case MCS_UNBIND: { 708 // If there is no actual work left, then time to unbind. 709 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 710 711 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 712 if (mBound) { 713 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 714 715 disconnectService(); 716 } 717 } else if (mPendingInstalls.size() > 0) { 718 // There are more pending requests in queue. 719 // Just post MCS_BOUND message to trigger processing 720 // of next pending install. 721 mHandler.sendEmptyMessage(MCS_BOUND); 722 } 723 724 break; 725 } 726 case MCS_GIVE_UP: { 727 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 728 mPendingInstalls.remove(0); 729 break; 730 } 731 case SEND_PENDING_BROADCAST: { 732 String packages[]; 733 ArrayList<String> components[]; 734 int size = 0; 735 int uids[]; 736 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 737 synchronized (mPackages) { 738 if (mPendingBroadcasts == null) { 739 return; 740 } 741 size = mPendingBroadcasts.size(); 742 if (size <= 0) { 743 // Nothing to be done. Just return 744 return; 745 } 746 packages = new String[size]; 747 components = new ArrayList[size]; 748 uids = new int[size]; 749 int i = 0; // filling out the above arrays 750 751 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 752 int packageUserId = mPendingBroadcasts.userIdAt(n); 753 Iterator<Map.Entry<String, ArrayList<String>>> it 754 = mPendingBroadcasts.packagesForUserId(packageUserId) 755 .entrySet().iterator(); 756 while (it.hasNext() && i < size) { 757 Map.Entry<String, ArrayList<String>> ent = it.next(); 758 packages[i] = ent.getKey(); 759 components[i] = ent.getValue(); 760 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 761 uids[i] = (ps != null) 762 ? UserHandle.getUid(packageUserId, ps.appId) 763 : -1; 764 i++; 765 } 766 } 767 size = i; 768 mPendingBroadcasts.clear(); 769 } 770 // Send broadcasts 771 for (int i = 0; i < size; i++) { 772 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 773 } 774 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 775 break; 776 } 777 case START_CLEANING_PACKAGE: { 778 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 779 final String packageName = (String)msg.obj; 780 final int userId = msg.arg1; 781 final boolean andCode = msg.arg2 != 0; 782 synchronized (mPackages) { 783 if (userId == UserHandle.USER_ALL) { 784 int[] users = sUserManager.getUserIds(); 785 for (int user : users) { 786 mSettings.addPackageToCleanLPw( 787 new PackageCleanItem(user, packageName, andCode)); 788 } 789 } else { 790 mSettings.addPackageToCleanLPw( 791 new PackageCleanItem(userId, packageName, andCode)); 792 } 793 } 794 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 795 startCleaningPackages(); 796 } break; 797 case POST_INSTALL: { 798 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 799 PostInstallData data = mRunningInstalls.get(msg.arg1); 800 mRunningInstalls.delete(msg.arg1); 801 boolean deleteOld = false; 802 803 if (data != null) { 804 InstallArgs args = data.args; 805 PackageInstalledInfo res = data.res; 806 807 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 808 res.removedInfo.sendBroadcast(false, true, false); 809 Bundle extras = new Bundle(1); 810 extras.putInt(Intent.EXTRA_UID, res.uid); 811 // Determine the set of users who are adding this 812 // package for the first time vs. those who are seeing 813 // an update. 814 int[] firstUsers; 815 int[] updateUsers = new int[0]; 816 if (res.origUsers == null || res.origUsers.length == 0) { 817 firstUsers = res.newUsers; 818 } else { 819 firstUsers = new int[0]; 820 for (int i=0; i<res.newUsers.length; i++) { 821 int user = res.newUsers[i]; 822 boolean isNew = true; 823 for (int j=0; j<res.origUsers.length; j++) { 824 if (res.origUsers[j] == user) { 825 isNew = false; 826 break; 827 } 828 } 829 if (isNew) { 830 int[] newFirst = new int[firstUsers.length+1]; 831 System.arraycopy(firstUsers, 0, newFirst, 0, 832 firstUsers.length); 833 newFirst[firstUsers.length] = user; 834 firstUsers = newFirst; 835 } else { 836 int[] newUpdate = new int[updateUsers.length+1]; 837 System.arraycopy(updateUsers, 0, newUpdate, 0, 838 updateUsers.length); 839 newUpdate[updateUsers.length] = user; 840 updateUsers = newUpdate; 841 } 842 } 843 } 844 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 845 res.pkg.applicationInfo.packageName, 846 extras, null, null, firstUsers); 847 final boolean update = res.removedInfo.removedPackage != null; 848 if (update) { 849 extras.putBoolean(Intent.EXTRA_REPLACING, true); 850 } 851 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 852 res.pkg.applicationInfo.packageName, 853 extras, null, null, updateUsers); 854 if (update) { 855 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 856 res.pkg.applicationInfo.packageName, 857 extras, null, null, updateUsers); 858 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 859 null, null, 860 res.pkg.applicationInfo.packageName, null, updateUsers); 861 862 // treat asec-hosted packages like removable media on upgrade 863 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 864 if (DEBUG_INSTALL) { 865 Slog.i(TAG, "upgrading pkg " + res.pkg 866 + " is ASEC-hosted -> AVAILABLE"); 867 } 868 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 869 ArrayList<String> pkgList = new ArrayList<String>(1); 870 pkgList.add(res.pkg.applicationInfo.packageName); 871 sendResourcesChangedBroadcast(true, true, 872 pkgList,uidArray, null); 873 } 874 } 875 if (res.removedInfo.args != null) { 876 // Remove the replaced package's older resources safely now 877 deleteOld = true; 878 } 879 880 // Log current value of "unknown sources" setting 881 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 882 getUnknownSourcesSettings()); 883 } 884 // Force a gc to clear up things 885 Runtime.getRuntime().gc(); 886 // We delete after a gc for applications on sdcard. 887 if (deleteOld) { 888 synchronized (mInstallLock) { 889 res.removedInfo.args.doPostDeleteLI(true); 890 } 891 } 892 if (args.observer != null) { 893 try { 894 args.observer.packageInstalled(res.name, res.returnCode); 895 } catch (RemoteException e) { 896 Slog.i(TAG, "Observer no longer exists."); 897 } 898 } 899 } else { 900 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 901 } 902 } break; 903 case UPDATED_MEDIA_STATUS: { 904 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 905 boolean reportStatus = msg.arg1 == 1; 906 boolean doGc = msg.arg2 == 1; 907 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 908 if (doGc) { 909 // Force a gc to clear up stale containers. 910 Runtime.getRuntime().gc(); 911 } 912 if (msg.obj != null) { 913 @SuppressWarnings("unchecked") 914 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 915 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 916 // Unload containers 917 unloadAllContainers(args); 918 } 919 if (reportStatus) { 920 try { 921 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 922 PackageHelper.getMountService().finishMediaUpdate(); 923 } catch (RemoteException e) { 924 Log.e(TAG, "MountService not running?"); 925 } 926 } 927 } break; 928 case WRITE_SETTINGS: { 929 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 930 synchronized (mPackages) { 931 removeMessages(WRITE_SETTINGS); 932 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 933 mSettings.writeLPr(); 934 mDirtyUsers.clear(); 935 } 936 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 937 } break; 938 case WRITE_PACKAGE_RESTRICTIONS: { 939 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 940 synchronized (mPackages) { 941 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 942 for (int userId : mDirtyUsers) { 943 mSettings.writePackageRestrictionsLPr(userId); 944 } 945 mDirtyUsers.clear(); 946 } 947 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 948 } break; 949 case CHECK_PENDING_VERIFICATION: { 950 final int verificationId = msg.arg1; 951 final PackageVerificationState state = mPendingVerification.get(verificationId); 952 953 if ((state != null) && !state.timeoutExtended()) { 954 final InstallArgs args = state.getInstallArgs(); 955 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 956 mPendingVerification.remove(verificationId); 957 958 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 959 960 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 961 Slog.i(TAG, "Continuing with installation of " 962 + args.packageURI.toString()); 963 state.setVerifierResponse(Binder.getCallingUid(), 964 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 965 broadcastPackageVerified(verificationId, args.packageURI, 966 PackageManager.VERIFICATION_ALLOW, 967 state.getInstallArgs().getUser()); 968 try { 969 ret = args.copyApk(mContainerService, true); 970 } catch (RemoteException e) { 971 Slog.e(TAG, "Could not contact the ContainerService"); 972 } 973 } else { 974 broadcastPackageVerified(verificationId, args.packageURI, 975 PackageManager.VERIFICATION_REJECT, 976 state.getInstallArgs().getUser()); 977 } 978 979 processPendingInstall(args, ret); 980 mHandler.sendEmptyMessage(MCS_UNBIND); 981 } 982 break; 983 } 984 case PACKAGE_VERIFIED: { 985 final int verificationId = msg.arg1; 986 987 final PackageVerificationState state = mPendingVerification.get(verificationId); 988 if (state == null) { 989 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 990 break; 991 } 992 993 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 994 995 state.setVerifierResponse(response.callerUid, response.code); 996 997 if (state.isVerificationComplete()) { 998 mPendingVerification.remove(verificationId); 999 1000 final InstallArgs args = state.getInstallArgs(); 1001 1002 int ret; 1003 if (state.isInstallAllowed()) { 1004 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1005 broadcastPackageVerified(verificationId, args.packageURI, 1006 response.code, state.getInstallArgs().getUser()); 1007 try { 1008 ret = args.copyApk(mContainerService, true); 1009 } catch (RemoteException e) { 1010 Slog.e(TAG, "Could not contact the ContainerService"); 1011 } 1012 } else { 1013 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1014 } 1015 1016 processPendingInstall(args, ret); 1017 1018 mHandler.sendEmptyMessage(MCS_UNBIND); 1019 } 1020 1021 break; 1022 } 1023 } 1024 } 1025 } 1026 1027 void scheduleWriteSettingsLocked() { 1028 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1029 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1030 } 1031 } 1032 1033 void scheduleWritePackageRestrictionsLocked(int userId) { 1034 if (!sUserManager.exists(userId)) return; 1035 mDirtyUsers.add(userId); 1036 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1037 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1038 } 1039 } 1040 1041 public static final IPackageManager main(Context context, Installer installer, 1042 boolean factoryTest, boolean onlyCore) { 1043 PackageManagerService m = new PackageManagerService(context, installer, 1044 factoryTest, onlyCore); 1045 ServiceManager.addService("package", m); 1046 return m; 1047 } 1048 1049 static String[] splitString(String str, char sep) { 1050 int count = 1; 1051 int i = 0; 1052 while ((i=str.indexOf(sep, i)) >= 0) { 1053 count++; 1054 i++; 1055 } 1056 1057 String[] res = new String[count]; 1058 i=0; 1059 count = 0; 1060 int lastI=0; 1061 while ((i=str.indexOf(sep, i)) >= 0) { 1062 res[count] = str.substring(lastI, i); 1063 count++; 1064 i++; 1065 lastI = i; 1066 } 1067 res[count] = str.substring(lastI, str.length()); 1068 return res; 1069 } 1070 1071 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1072 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1073 Context.DISPLAY_SERVICE); 1074 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1075 } 1076 1077 public PackageManagerService(Context context, Installer installer, 1078 boolean factoryTest, boolean onlyCore) { 1079 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1080 SystemClock.uptimeMillis()); 1081 1082 if (mSdkVersion <= 0) { 1083 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1084 } 1085 1086 mContext = context; 1087 mFactoryTest = factoryTest; 1088 mOnlyCore = onlyCore; 1089 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1090 mMetrics = new DisplayMetrics(); 1091 mSettings = new Settings(context); 1092 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1093 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1094 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1095 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1096 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1097 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1098 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1099 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1100 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1101 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1102 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1103 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1104 1105 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1106 if (separateProcesses != null && separateProcesses.length() > 0) { 1107 if ("*".equals(separateProcesses)) { 1108 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1109 mSeparateProcesses = null; 1110 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1111 } else { 1112 mDefParseFlags = 0; 1113 mSeparateProcesses = separateProcesses.split(","); 1114 Slog.w(TAG, "Running with debug.separate_processes: " 1115 + separateProcesses); 1116 } 1117 } else { 1118 mDefParseFlags = 0; 1119 mSeparateProcesses = null; 1120 } 1121 1122 mInstaller = installer; 1123 1124 getDefaultDisplayMetrics(context, mMetrics); 1125 1126 synchronized (mInstallLock) { 1127 // writer 1128 synchronized (mPackages) { 1129 mHandlerThread = new ServiceThread(TAG, 1130 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1131 mHandlerThread.start(); 1132 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1133 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1134 1135 File dataDir = Environment.getDataDirectory(); 1136 mAppDataDir = new File(dataDir, "data"); 1137 mAppInstallDir = new File(dataDir, "app"); 1138 mAppLibInstallDir = new File(dataDir, "app-lib"); 1139 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1140 mUserAppDataDir = new File(dataDir, "user"); 1141 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1142 1143 sUserManager = new UserManagerService(context, this, 1144 mInstallLock, mPackages); 1145 1146 readPermissions(); 1147 1148 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1149 1150 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1151 mSdkVersion, mOnlyCore); 1152 1153 String customResolverActivity = Resources.getSystem().getString( 1154 R.string.config_customResolverActivity); 1155 if (TextUtils.isEmpty(customResolverActivity)) { 1156 customResolverActivity = null; 1157 } else { 1158 mCustomResolverComponentName = ComponentName.unflattenFromString( 1159 customResolverActivity); 1160 } 1161 1162 long startTime = SystemClock.uptimeMillis(); 1163 1164 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1165 startTime); 1166 1167 // Set flag to monitor and not change apk file paths when 1168 // scanning install directories. 1169 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1170 if (mNoDexOpt) { 1171 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1172 scanMode |= SCAN_NO_DEX; 1173 } 1174 1175 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1176 1177 /** 1178 * Add everything in the in the boot class path to the 1179 * list of process files because dexopt will have been run 1180 * if necessary during zygote startup. 1181 */ 1182 String bootClassPath = System.getProperty("java.boot.class.path"); 1183 if (bootClassPath != null) { 1184 String[] paths = splitString(bootClassPath, ':'); 1185 for (int i=0; i<paths.length; i++) { 1186 alreadyDexOpted.add(paths[i]); 1187 } 1188 } else { 1189 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1190 } 1191 1192 boolean didDexOpt = false; 1193 1194 /** 1195 * Ensure all external libraries have had dexopt run on them. 1196 */ 1197 if (mSharedLibraries.size() > 0) { 1198 Iterator<SharedLibraryEntry> libs = mSharedLibraries.values().iterator(); 1199 while (libs.hasNext()) { 1200 String lib = libs.next().path; 1201 if (lib == null) { 1202 continue; 1203 } 1204 try { 1205 if (dalvik.system.DexFile.isDexOptNeeded(lib)) { 1206 alreadyDexOpted.add(lib); 1207 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1208 didDexOpt = true; 1209 } 1210 } catch (FileNotFoundException e) { 1211 Slog.w(TAG, "Library not found: " + lib); 1212 } catch (IOException e) { 1213 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1214 + e.getMessage()); 1215 } 1216 } 1217 } 1218 1219 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1220 1221 // Gross hack for now: we know this file doesn't contain any 1222 // code, so don't dexopt it to avoid the resulting log spew. 1223 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1224 1225 // Gross hack for now: we know this file is only part of 1226 // the boot class path for art, so don't dexopt it to 1227 // avoid the resulting log spew. 1228 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1229 1230 /** 1231 * And there are a number of commands implemented in Java, which 1232 * we currently need to do the dexopt on so that they can be 1233 * run from a non-root shell. 1234 */ 1235 String[] frameworkFiles = frameworkDir.list(); 1236 if (frameworkFiles != null) { 1237 for (int i=0; i<frameworkFiles.length; i++) { 1238 File libPath = new File(frameworkDir, frameworkFiles[i]); 1239 String path = libPath.getPath(); 1240 // Skip the file if we alrady did it. 1241 if (alreadyDexOpted.contains(path)) { 1242 continue; 1243 } 1244 // Skip the file if it is not a type we want to dexopt. 1245 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1246 continue; 1247 } 1248 try { 1249 if (dalvik.system.DexFile.isDexOptNeeded(path)) { 1250 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1251 didDexOpt = true; 1252 } 1253 } catch (FileNotFoundException e) { 1254 Slog.w(TAG, "Jar not found: " + path); 1255 } catch (IOException e) { 1256 Slog.w(TAG, "Exception reading jar: " + path, e); 1257 } 1258 } 1259 } 1260 1261 if (didDexOpt) { 1262 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1263 1264 // If we had to do a dexopt of one of the previous 1265 // things, then something on the system has changed. 1266 // Consider this significant, and wipe away all other 1267 // existing dexopt files to ensure we don't leave any 1268 // dangling around. 1269 String[] files = dalvikCacheDir.list(); 1270 if (files != null) { 1271 for (int i=0; i<files.length; i++) { 1272 String fn = files[i]; 1273 if (fn.startsWith("data@app@") 1274 || fn.startsWith("data@app-private@")) { 1275 Slog.i(TAG, "Pruning dalvik file: " + fn); 1276 (new File(dalvikCacheDir, fn)).delete(); 1277 } 1278 } 1279 } 1280 } 1281 1282 // Find base frameworks (resource packages without code). 1283 mFrameworkInstallObserver = new AppDirObserver( 1284 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1285 mFrameworkInstallObserver.startWatching(); 1286 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1287 | PackageParser.PARSE_IS_SYSTEM_DIR 1288 | PackageParser.PARSE_IS_PRIVILEGED, 1289 scanMode | SCAN_NO_DEX, 0); 1290 1291 // Collected privileged system packages. 1292 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1293 mPrivilegedInstallObserver = new AppDirObserver( 1294 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1295 mPrivilegedInstallObserver.startWatching(); 1296 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1297 | PackageParser.PARSE_IS_SYSTEM_DIR 1298 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1299 1300 // Collect ordinary system packages. 1301 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1302 mSystemInstallObserver = new AppDirObserver( 1303 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1304 mSystemInstallObserver.startWatching(); 1305 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1306 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1307 1308 // Collect all vendor packages. 1309 File vendorAppDir = new File("/vendor/app"); 1310 mVendorInstallObserver = new AppDirObserver( 1311 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1312 mVendorInstallObserver.startWatching(); 1313 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1314 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1315 1316 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1317 mInstaller.moveFiles(); 1318 1319 // Prune any system packages that no longer exist. 1320 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1321 if (!mOnlyCore) { 1322 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1323 while (psit.hasNext()) { 1324 PackageSetting ps = psit.next(); 1325 1326 /* 1327 * If this is not a system app, it can't be a 1328 * disable system app. 1329 */ 1330 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1331 continue; 1332 } 1333 1334 /* 1335 * If the package is scanned, it's not erased. 1336 */ 1337 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1338 if (scannedPkg != null) { 1339 /* 1340 * If the system app is both scanned and in the 1341 * disabled packages list, then it must have been 1342 * added via OTA. Remove it from the currently 1343 * scanned package so the previously user-installed 1344 * application can be scanned. 1345 */ 1346 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1347 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1348 + "; removing system app"); 1349 removePackageLI(ps, true); 1350 } 1351 1352 continue; 1353 } 1354 1355 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1356 psit.remove(); 1357 String msg = "System package " + ps.name 1358 + " no longer exists; wiping its data"; 1359 reportSettingsProblem(Log.WARN, msg); 1360 removeDataDirsLI(ps.name); 1361 } else { 1362 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1363 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1364 possiblyDeletedUpdatedSystemApps.add(ps.name); 1365 } 1366 } 1367 } 1368 } 1369 1370 //look for any incomplete package installations 1371 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1372 //clean up list 1373 for(int i = 0; i < deletePkgsList.size(); i++) { 1374 //clean up here 1375 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1376 } 1377 //delete tmp files 1378 deleteTempPackageFiles(); 1379 1380 // Remove any shared userIDs that have no associated packages 1381 mSettings.pruneSharedUsersLPw(); 1382 1383 if (!mOnlyCore) { 1384 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1385 SystemClock.uptimeMillis()); 1386 mAppInstallObserver = new AppDirObserver( 1387 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1388 mAppInstallObserver.startWatching(); 1389 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1390 1391 mDrmAppInstallObserver = new AppDirObserver( 1392 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1393 mDrmAppInstallObserver.startWatching(); 1394 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1395 scanMode, 0); 1396 1397 /** 1398 * Remove disable package settings for any updated system 1399 * apps that were removed via an OTA. If they're not a 1400 * previously-updated app, remove them completely. 1401 * Otherwise, just revoke their system-level permissions. 1402 */ 1403 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1404 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1405 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1406 1407 String msg; 1408 if (deletedPkg == null) { 1409 msg = "Updated system package " + deletedAppName 1410 + " no longer exists; wiping its data"; 1411 removeDataDirsLI(deletedAppName); 1412 } else { 1413 msg = "Updated system app + " + deletedAppName 1414 + " no longer present; removing system privileges for " 1415 + deletedAppName; 1416 1417 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1418 1419 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1420 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1421 } 1422 reportSettingsProblem(Log.WARN, msg); 1423 } 1424 } else { 1425 mAppInstallObserver = null; 1426 mDrmAppInstallObserver = null; 1427 } 1428 1429 // Now that we know all of the shared libraries, update all clients to have 1430 // the correct library paths. 1431 updateAllSharedLibrariesLPw(); 1432 1433 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1434 SystemClock.uptimeMillis()); 1435 Slog.i(TAG, "Time to scan packages: " 1436 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1437 + " seconds"); 1438 1439 // If the platform SDK has changed since the last time we booted, 1440 // we need to re-grant app permission to catch any new ones that 1441 // appear. This is really a hack, and means that apps can in some 1442 // cases get permissions that the user didn't initially explicitly 1443 // allow... it would be nice to have some better way to handle 1444 // this situation. 1445 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1446 != mSdkVersion; 1447 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1448 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1449 + "; regranting permissions for internal storage"); 1450 mSettings.mInternalSdkPlatform = mSdkVersion; 1451 1452 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1453 | (regrantPermissions 1454 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1455 : 0)); 1456 1457 // If this is the first boot, and it is a normal boot, then 1458 // we need to initialize the default preferred apps. 1459 if (!mRestoredSettings && !onlyCore) { 1460 mSettings.readDefaultPreferredAppsLPw(this, 0); 1461 } 1462 1463 // can downgrade to reader 1464 mSettings.writeLPr(); 1465 1466 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1467 SystemClock.uptimeMillis()); 1468 1469 // Now after opening every single application zip, make sure they 1470 // are all flushed. Not really needed, but keeps things nice and 1471 // tidy. 1472 Runtime.getRuntime().gc(); 1473 1474 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1475 } // synchronized (mPackages) 1476 } // synchronized (mInstallLock) 1477 } 1478 1479 public boolean isFirstBoot() { 1480 return !mRestoredSettings; 1481 } 1482 1483 public boolean isOnlyCoreApps() { 1484 return mOnlyCore; 1485 } 1486 1487 private String getRequiredVerifierLPr() { 1488 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1489 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1490 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1491 1492 String requiredVerifier = null; 1493 1494 final int N = receivers.size(); 1495 for (int i = 0; i < N; i++) { 1496 final ResolveInfo info = receivers.get(i); 1497 1498 if (info.activityInfo == null) { 1499 continue; 1500 } 1501 1502 final String packageName = info.activityInfo.packageName; 1503 1504 final PackageSetting ps = mSettings.mPackages.get(packageName); 1505 if (ps == null) { 1506 continue; 1507 } 1508 1509 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1510 if (!gp.grantedPermissions 1511 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1512 continue; 1513 } 1514 1515 if (requiredVerifier != null) { 1516 throw new RuntimeException("There can be only one required verifier"); 1517 } 1518 1519 requiredVerifier = packageName; 1520 } 1521 1522 return requiredVerifier; 1523 } 1524 1525 @Override 1526 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1527 throws RemoteException { 1528 try { 1529 return super.onTransact(code, data, reply, flags); 1530 } catch (RuntimeException e) { 1531 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1532 Slog.wtf(TAG, "Package Manager Crash", e); 1533 } 1534 throw e; 1535 } 1536 } 1537 1538 void cleanupInstallFailedPackage(PackageSetting ps) { 1539 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1540 removeDataDirsLI(ps.name); 1541 if (ps.codePath != null) { 1542 if (!ps.codePath.delete()) { 1543 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1544 } 1545 } 1546 if (ps.resourcePath != null) { 1547 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1548 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1549 } 1550 } 1551 mSettings.removePackageLPw(ps.name); 1552 } 1553 1554 void readPermissions() { 1555 // Read permissions from .../etc/permission directory. 1556 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1557 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1558 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1559 return; 1560 } 1561 if (!libraryDir.canRead()) { 1562 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1563 return; 1564 } 1565 1566 // Iterate over the files in the directory and scan .xml files 1567 for (File f : libraryDir.listFiles()) { 1568 // We'll read platform.xml last 1569 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1570 continue; 1571 } 1572 1573 if (!f.getPath().endsWith(".xml")) { 1574 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1575 continue; 1576 } 1577 if (!f.canRead()) { 1578 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1579 continue; 1580 } 1581 1582 readPermissionsFromXml(f); 1583 } 1584 1585 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1586 final File permFile = new File(Environment.getRootDirectory(), 1587 "etc/permissions/platform.xml"); 1588 readPermissionsFromXml(permFile); 1589 } 1590 1591 private void readPermissionsFromXml(File permFile) { 1592 FileReader permReader = null; 1593 try { 1594 permReader = new FileReader(permFile); 1595 } catch (FileNotFoundException e) { 1596 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1597 return; 1598 } 1599 1600 try { 1601 XmlPullParser parser = Xml.newPullParser(); 1602 parser.setInput(permReader); 1603 1604 XmlUtils.beginDocument(parser, "permissions"); 1605 1606 while (true) { 1607 XmlUtils.nextElement(parser); 1608 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1609 break; 1610 } 1611 1612 String name = parser.getName(); 1613 if ("group".equals(name)) { 1614 String gidStr = parser.getAttributeValue(null, "gid"); 1615 if (gidStr != null) { 1616 int gid = Process.getGidForName(gidStr); 1617 mGlobalGids = appendInt(mGlobalGids, gid); 1618 } else { 1619 Slog.w(TAG, "<group> without gid at " 1620 + parser.getPositionDescription()); 1621 } 1622 1623 XmlUtils.skipCurrentTag(parser); 1624 continue; 1625 } else if ("permission".equals(name)) { 1626 String perm = parser.getAttributeValue(null, "name"); 1627 if (perm == null) { 1628 Slog.w(TAG, "<permission> without name at " 1629 + parser.getPositionDescription()); 1630 XmlUtils.skipCurrentTag(parser); 1631 continue; 1632 } 1633 perm = perm.intern(); 1634 readPermission(parser, perm); 1635 1636 } else if ("assign-permission".equals(name)) { 1637 String perm = parser.getAttributeValue(null, "name"); 1638 if (perm == null) { 1639 Slog.w(TAG, "<assign-permission> without name at " 1640 + parser.getPositionDescription()); 1641 XmlUtils.skipCurrentTag(parser); 1642 continue; 1643 } 1644 String uidStr = parser.getAttributeValue(null, "uid"); 1645 if (uidStr == null) { 1646 Slog.w(TAG, "<assign-permission> without uid at " 1647 + parser.getPositionDescription()); 1648 XmlUtils.skipCurrentTag(parser); 1649 continue; 1650 } 1651 int uid = Process.getUidForName(uidStr); 1652 if (uid < 0) { 1653 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1654 + uidStr + "\" at " 1655 + parser.getPositionDescription()); 1656 XmlUtils.skipCurrentTag(parser); 1657 continue; 1658 } 1659 perm = perm.intern(); 1660 HashSet<String> perms = mSystemPermissions.get(uid); 1661 if (perms == null) { 1662 perms = new HashSet<String>(); 1663 mSystemPermissions.put(uid, perms); 1664 } 1665 perms.add(perm); 1666 XmlUtils.skipCurrentTag(parser); 1667 1668 } else if ("library".equals(name)) { 1669 String lname = parser.getAttributeValue(null, "name"); 1670 String lfile = parser.getAttributeValue(null, "file"); 1671 if (lname == null) { 1672 Slog.w(TAG, "<library> without name at " 1673 + parser.getPositionDescription()); 1674 } else if (lfile == null) { 1675 Slog.w(TAG, "<library> without file at " 1676 + parser.getPositionDescription()); 1677 } else { 1678 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1679 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1680 } 1681 XmlUtils.skipCurrentTag(parser); 1682 continue; 1683 1684 } else if ("feature".equals(name)) { 1685 String fname = parser.getAttributeValue(null, "name"); 1686 if (fname == null) { 1687 Slog.w(TAG, "<feature> without name at " 1688 + parser.getPositionDescription()); 1689 } else { 1690 //Log.i(TAG, "Got feature " + fname); 1691 FeatureInfo fi = new FeatureInfo(); 1692 fi.name = fname; 1693 mAvailableFeatures.put(fname, fi); 1694 } 1695 XmlUtils.skipCurrentTag(parser); 1696 continue; 1697 1698 } else { 1699 XmlUtils.skipCurrentTag(parser); 1700 continue; 1701 } 1702 1703 } 1704 permReader.close(); 1705 } catch (XmlPullParserException e) { 1706 Slog.w(TAG, "Got execption parsing permissions.", e); 1707 } catch (IOException e) { 1708 Slog.w(TAG, "Got execption parsing permissions.", e); 1709 } 1710 } 1711 1712 void readPermission(XmlPullParser parser, String name) 1713 throws IOException, XmlPullParserException { 1714 1715 name = name.intern(); 1716 1717 BasePermission bp = mSettings.mPermissions.get(name); 1718 if (bp == null) { 1719 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1720 mSettings.mPermissions.put(name, bp); 1721 } 1722 int outerDepth = parser.getDepth(); 1723 int type; 1724 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1725 && (type != XmlPullParser.END_TAG 1726 || parser.getDepth() > outerDepth)) { 1727 if (type == XmlPullParser.END_TAG 1728 || type == XmlPullParser.TEXT) { 1729 continue; 1730 } 1731 1732 String tagName = parser.getName(); 1733 if ("group".equals(tagName)) { 1734 String gidStr = parser.getAttributeValue(null, "gid"); 1735 if (gidStr != null) { 1736 int gid = Process.getGidForName(gidStr); 1737 bp.gids = appendInt(bp.gids, gid); 1738 } else { 1739 Slog.w(TAG, "<group> without gid at " 1740 + parser.getPositionDescription()); 1741 } 1742 } 1743 XmlUtils.skipCurrentTag(parser); 1744 } 1745 } 1746 1747 static int[] appendInts(int[] cur, int[] add) { 1748 if (add == null) return cur; 1749 if (cur == null) return add; 1750 final int N = add.length; 1751 for (int i=0; i<N; i++) { 1752 cur = appendInt(cur, add[i]); 1753 } 1754 return cur; 1755 } 1756 1757 static int[] removeInts(int[] cur, int[] rem) { 1758 if (rem == null) return cur; 1759 if (cur == null) return cur; 1760 final int N = rem.length; 1761 for (int i=0; i<N; i++) { 1762 cur = removeInt(cur, rem[i]); 1763 } 1764 return cur; 1765 } 1766 1767 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1768 if (!sUserManager.exists(userId)) return null; 1769 PackageInfo pi; 1770 final PackageSetting ps = (PackageSetting) p.mExtras; 1771 if (ps == null) { 1772 return null; 1773 } 1774 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1775 final PackageUserState state = ps.readUserState(userId); 1776 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1777 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1778 state, userId); 1779 } 1780 1781 public boolean isPackageAvailable(String packageName, int userId) { 1782 if (!sUserManager.exists(userId)) return false; 1783 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1784 synchronized (mPackages) { 1785 PackageParser.Package p = mPackages.get(packageName); 1786 if (p != null) { 1787 final PackageSetting ps = (PackageSetting) p.mExtras; 1788 if (ps != null) { 1789 final PackageUserState state = ps.readUserState(userId); 1790 if (state != null) { 1791 return PackageParser.isAvailable(state); 1792 } 1793 } 1794 } 1795 } 1796 return false; 1797 } 1798 1799 @Override 1800 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1801 if (!sUserManager.exists(userId)) return null; 1802 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1803 // reader 1804 synchronized (mPackages) { 1805 PackageParser.Package p = mPackages.get(packageName); 1806 if (DEBUG_PACKAGE_INFO) 1807 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1808 if (p != null) { 1809 return generatePackageInfo(p, flags, userId); 1810 } 1811 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1812 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1813 } 1814 } 1815 return null; 1816 } 1817 1818 public String[] currentToCanonicalPackageNames(String[] names) { 1819 String[] out = new String[names.length]; 1820 // reader 1821 synchronized (mPackages) { 1822 for (int i=names.length-1; i>=0; i--) { 1823 PackageSetting ps = mSettings.mPackages.get(names[i]); 1824 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1825 } 1826 } 1827 return out; 1828 } 1829 1830 public String[] canonicalToCurrentPackageNames(String[] names) { 1831 String[] out = new String[names.length]; 1832 // reader 1833 synchronized (mPackages) { 1834 for (int i=names.length-1; i>=0; i--) { 1835 String cur = mSettings.mRenamedPackages.get(names[i]); 1836 out[i] = cur != null ? cur : names[i]; 1837 } 1838 } 1839 return out; 1840 } 1841 1842 @Override 1843 public int getPackageUid(String packageName, int userId) { 1844 if (!sUserManager.exists(userId)) return -1; 1845 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1846 // reader 1847 synchronized (mPackages) { 1848 PackageParser.Package p = mPackages.get(packageName); 1849 if(p != null) { 1850 return UserHandle.getUid(userId, p.applicationInfo.uid); 1851 } 1852 PackageSetting ps = mSettings.mPackages.get(packageName); 1853 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1854 return -1; 1855 } 1856 p = ps.pkg; 1857 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1858 } 1859 } 1860 1861 @Override 1862 public int[] getPackageGids(String packageName) { 1863 // reader 1864 synchronized (mPackages) { 1865 PackageParser.Package p = mPackages.get(packageName); 1866 if (DEBUG_PACKAGE_INFO) 1867 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1868 if (p != null) { 1869 final PackageSetting ps = (PackageSetting)p.mExtras; 1870 return ps.getGids(); 1871 } 1872 } 1873 // stupid thing to indicate an error. 1874 return new int[0]; 1875 } 1876 1877 static final PermissionInfo generatePermissionInfo( 1878 BasePermission bp, int flags) { 1879 if (bp.perm != null) { 1880 return PackageParser.generatePermissionInfo(bp.perm, flags); 1881 } 1882 PermissionInfo pi = new PermissionInfo(); 1883 pi.name = bp.name; 1884 pi.packageName = bp.sourcePackage; 1885 pi.nonLocalizedLabel = bp.name; 1886 pi.protectionLevel = bp.protectionLevel; 1887 return pi; 1888 } 1889 1890 public PermissionInfo getPermissionInfo(String name, int flags) { 1891 // reader 1892 synchronized (mPackages) { 1893 final BasePermission p = mSettings.mPermissions.get(name); 1894 if (p != null) { 1895 return generatePermissionInfo(p, flags); 1896 } 1897 return null; 1898 } 1899 } 1900 1901 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1902 // reader 1903 synchronized (mPackages) { 1904 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1905 for (BasePermission p : mSettings.mPermissions.values()) { 1906 if (group == null) { 1907 if (p.perm == null || p.perm.info.group == null) { 1908 out.add(generatePermissionInfo(p, flags)); 1909 } 1910 } else { 1911 if (p.perm != null && group.equals(p.perm.info.group)) { 1912 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1913 } 1914 } 1915 } 1916 1917 if (out.size() > 0) { 1918 return out; 1919 } 1920 return mPermissionGroups.containsKey(group) ? out : null; 1921 } 1922 } 1923 1924 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1925 // reader 1926 synchronized (mPackages) { 1927 return PackageParser.generatePermissionGroupInfo( 1928 mPermissionGroups.get(name), flags); 1929 } 1930 } 1931 1932 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1933 // reader 1934 synchronized (mPackages) { 1935 final int N = mPermissionGroups.size(); 1936 ArrayList<PermissionGroupInfo> out 1937 = new ArrayList<PermissionGroupInfo>(N); 1938 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 1939 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 1940 } 1941 return out; 1942 } 1943 } 1944 1945 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 1946 int userId) { 1947 if (!sUserManager.exists(userId)) return null; 1948 PackageSetting ps = mSettings.mPackages.get(packageName); 1949 if (ps != null) { 1950 if (ps.pkg == null) { 1951 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 1952 flags, userId); 1953 if (pInfo != null) { 1954 return pInfo.applicationInfo; 1955 } 1956 return null; 1957 } 1958 return PackageParser.generateApplicationInfo(ps.pkg, flags, 1959 ps.readUserState(userId), userId); 1960 } 1961 return null; 1962 } 1963 1964 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 1965 int userId) { 1966 if (!sUserManager.exists(userId)) return null; 1967 PackageSetting ps = mSettings.mPackages.get(packageName); 1968 if (ps != null) { 1969 PackageParser.Package pkg = ps.pkg; 1970 if (pkg == null) { 1971 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 1972 return null; 1973 } 1974 pkg = new PackageParser.Package(packageName); 1975 pkg.applicationInfo.packageName = packageName; 1976 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 1977 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 1978 pkg.applicationInfo.sourceDir = ps.codePathString; 1979 pkg.applicationInfo.dataDir = 1980 getDataPathForPackage(packageName, 0).getPath(); 1981 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 1982 } 1983 return generatePackageInfo(pkg, flags, userId); 1984 } 1985 return null; 1986 } 1987 1988 @Override 1989 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 1990 if (!sUserManager.exists(userId)) return null; 1991 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 1992 // writer 1993 synchronized (mPackages) { 1994 PackageParser.Package p = mPackages.get(packageName); 1995 if (DEBUG_PACKAGE_INFO) Log.v( 1996 TAG, "getApplicationInfo " + packageName 1997 + ": " + p); 1998 if (p != null) { 1999 PackageSetting ps = mSettings.mPackages.get(packageName); 2000 if (ps == null) return null; 2001 // Note: isEnabledLP() does not apply here - always return info 2002 return PackageParser.generateApplicationInfo( 2003 p, flags, ps.readUserState(userId), userId); 2004 } 2005 if ("android".equals(packageName)||"system".equals(packageName)) { 2006 return mAndroidApplication; 2007 } 2008 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2009 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2010 } 2011 } 2012 return null; 2013 } 2014 2015 2016 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2017 mContext.enforceCallingOrSelfPermission( 2018 android.Manifest.permission.CLEAR_APP_CACHE, null); 2019 // Queue up an async operation since clearing cache may take a little while. 2020 mHandler.post(new Runnable() { 2021 public void run() { 2022 mHandler.removeCallbacks(this); 2023 int retCode = -1; 2024 synchronized (mInstallLock) { 2025 retCode = mInstaller.freeCache(freeStorageSize); 2026 if (retCode < 0) { 2027 Slog.w(TAG, "Couldn't clear application caches"); 2028 } 2029 } 2030 if (observer != null) { 2031 try { 2032 observer.onRemoveCompleted(null, (retCode >= 0)); 2033 } catch (RemoteException e) { 2034 Slog.w(TAG, "RemoveException when invoking call back"); 2035 } 2036 } 2037 } 2038 }); 2039 } 2040 2041 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2042 mContext.enforceCallingOrSelfPermission( 2043 android.Manifest.permission.CLEAR_APP_CACHE, null); 2044 // Queue up an async operation since clearing cache may take a little while. 2045 mHandler.post(new Runnable() { 2046 public void run() { 2047 mHandler.removeCallbacks(this); 2048 int retCode = -1; 2049 synchronized (mInstallLock) { 2050 retCode = mInstaller.freeCache(freeStorageSize); 2051 if (retCode < 0) { 2052 Slog.w(TAG, "Couldn't clear application caches"); 2053 } 2054 } 2055 if(pi != null) { 2056 try { 2057 // Callback via pending intent 2058 int code = (retCode >= 0) ? 1 : 0; 2059 pi.sendIntent(null, code, null, 2060 null, null); 2061 } catch (SendIntentException e1) { 2062 Slog.i(TAG, "Failed to send pending intent"); 2063 } 2064 } 2065 } 2066 }); 2067 } 2068 2069 @Override 2070 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2071 if (!sUserManager.exists(userId)) return null; 2072 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2073 synchronized (mPackages) { 2074 PackageParser.Activity a = mActivities.mActivities.get(component); 2075 2076 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2077 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2078 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2079 if (ps == null) return null; 2080 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2081 userId); 2082 } 2083 if (mResolveComponentName.equals(component)) { 2084 return mResolveActivity; 2085 } 2086 } 2087 return null; 2088 } 2089 2090 @Override 2091 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2092 if (!sUserManager.exists(userId)) return null; 2093 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2094 synchronized (mPackages) { 2095 PackageParser.Activity a = mReceivers.mActivities.get(component); 2096 if (DEBUG_PACKAGE_INFO) Log.v( 2097 TAG, "getReceiverInfo " + component + ": " + a); 2098 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2099 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2100 if (ps == null) return null; 2101 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2102 userId); 2103 } 2104 } 2105 return null; 2106 } 2107 2108 @Override 2109 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2110 if (!sUserManager.exists(userId)) return null; 2111 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2112 synchronized (mPackages) { 2113 PackageParser.Service s = mServices.mServices.get(component); 2114 if (DEBUG_PACKAGE_INFO) Log.v( 2115 TAG, "getServiceInfo " + component + ": " + s); 2116 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2117 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2118 if (ps == null) return null; 2119 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2120 userId); 2121 } 2122 } 2123 return null; 2124 } 2125 2126 @Override 2127 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2128 if (!sUserManager.exists(userId)) return null; 2129 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2130 synchronized (mPackages) { 2131 PackageParser.Provider p = mProviders.mProviders.get(component); 2132 if (DEBUG_PACKAGE_INFO) Log.v( 2133 TAG, "getProviderInfo " + component + ": " + p); 2134 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2135 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2136 if (ps == null) return null; 2137 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2138 userId); 2139 } 2140 } 2141 return null; 2142 } 2143 2144 public String[] getSystemSharedLibraryNames() { 2145 Set<String> libSet; 2146 synchronized (mPackages) { 2147 libSet = mSharedLibraries.keySet(); 2148 int size = libSet.size(); 2149 if (size > 0) { 2150 String[] libs = new String[size]; 2151 libSet.toArray(libs); 2152 return libs; 2153 } 2154 } 2155 return null; 2156 } 2157 2158 public FeatureInfo[] getSystemAvailableFeatures() { 2159 Collection<FeatureInfo> featSet; 2160 synchronized (mPackages) { 2161 featSet = mAvailableFeatures.values(); 2162 int size = featSet.size(); 2163 if (size > 0) { 2164 FeatureInfo[] features = new FeatureInfo[size+1]; 2165 featSet.toArray(features); 2166 FeatureInfo fi = new FeatureInfo(); 2167 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2168 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2169 features[size] = fi; 2170 return features; 2171 } 2172 } 2173 return null; 2174 } 2175 2176 public boolean hasSystemFeature(String name) { 2177 synchronized (mPackages) { 2178 return mAvailableFeatures.containsKey(name); 2179 } 2180 } 2181 2182 private void checkValidCaller(int uid, int userId) { 2183 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2184 return; 2185 2186 throw new SecurityException("Caller uid=" + uid 2187 + " is not privileged to communicate with user=" + userId); 2188 } 2189 2190 public int checkPermission(String permName, String pkgName) { 2191 synchronized (mPackages) { 2192 PackageParser.Package p = mPackages.get(pkgName); 2193 if (p != null && p.mExtras != null) { 2194 PackageSetting ps = (PackageSetting)p.mExtras; 2195 if (ps.sharedUser != null) { 2196 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2197 return PackageManager.PERMISSION_GRANTED; 2198 } 2199 } else if (ps.grantedPermissions.contains(permName)) { 2200 return PackageManager.PERMISSION_GRANTED; 2201 } 2202 } 2203 } 2204 return PackageManager.PERMISSION_DENIED; 2205 } 2206 2207 public int checkUidPermission(String permName, int uid) { 2208 synchronized (mPackages) { 2209 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2210 if (obj != null) { 2211 GrantedPermissions gp = (GrantedPermissions)obj; 2212 if (gp.grantedPermissions.contains(permName)) { 2213 return PackageManager.PERMISSION_GRANTED; 2214 } 2215 } else { 2216 HashSet<String> perms = mSystemPermissions.get(uid); 2217 if (perms != null && perms.contains(permName)) { 2218 return PackageManager.PERMISSION_GRANTED; 2219 } 2220 } 2221 } 2222 return PackageManager.PERMISSION_DENIED; 2223 } 2224 2225 /** 2226 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2227 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2228 * @param message the message to log on security exception 2229 * @return 2230 */ 2231 private void enforceCrossUserPermission(int callingUid, int userId, 2232 boolean requireFullPermission, String message) { 2233 if (userId < 0) { 2234 throw new IllegalArgumentException("Invalid userId " + userId); 2235 } 2236 if (userId == UserHandle.getUserId(callingUid)) return; 2237 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2238 if (requireFullPermission) { 2239 mContext.enforceCallingOrSelfPermission( 2240 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2241 } else { 2242 try { 2243 mContext.enforceCallingOrSelfPermission( 2244 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2245 } catch (SecurityException se) { 2246 mContext.enforceCallingOrSelfPermission( 2247 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2248 } 2249 } 2250 } 2251 } 2252 2253 private BasePermission findPermissionTreeLP(String permName) { 2254 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2255 if (permName.startsWith(bp.name) && 2256 permName.length() > bp.name.length() && 2257 permName.charAt(bp.name.length()) == '.') { 2258 return bp; 2259 } 2260 } 2261 return null; 2262 } 2263 2264 private BasePermission checkPermissionTreeLP(String permName) { 2265 if (permName != null) { 2266 BasePermission bp = findPermissionTreeLP(permName); 2267 if (bp != null) { 2268 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2269 return bp; 2270 } 2271 throw new SecurityException("Calling uid " 2272 + Binder.getCallingUid() 2273 + " is not allowed to add to permission tree " 2274 + bp.name + " owned by uid " + bp.uid); 2275 } 2276 } 2277 throw new SecurityException("No permission tree found for " + permName); 2278 } 2279 2280 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2281 if (s1 == null) { 2282 return s2 == null; 2283 } 2284 if (s2 == null) { 2285 return false; 2286 } 2287 if (s1.getClass() != s2.getClass()) { 2288 return false; 2289 } 2290 return s1.equals(s2); 2291 } 2292 2293 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2294 if (pi1.icon != pi2.icon) return false; 2295 if (pi1.logo != pi2.logo) return false; 2296 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2297 if (!compareStrings(pi1.name, pi2.name)) return false; 2298 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2299 // We'll take care of setting this one. 2300 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2301 // These are not currently stored in settings. 2302 //if (!compareStrings(pi1.group, pi2.group)) return false; 2303 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2304 //if (pi1.labelRes != pi2.labelRes) return false; 2305 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2306 return true; 2307 } 2308 2309 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2310 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2311 throw new SecurityException("Label must be specified in permission"); 2312 } 2313 BasePermission tree = checkPermissionTreeLP(info.name); 2314 BasePermission bp = mSettings.mPermissions.get(info.name); 2315 boolean added = bp == null; 2316 boolean changed = true; 2317 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2318 if (added) { 2319 bp = new BasePermission(info.name, tree.sourcePackage, 2320 BasePermission.TYPE_DYNAMIC); 2321 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2322 throw new SecurityException( 2323 "Not allowed to modify non-dynamic permission " 2324 + info.name); 2325 } else { 2326 if (bp.protectionLevel == fixedLevel 2327 && bp.perm.owner.equals(tree.perm.owner) 2328 && bp.uid == tree.uid 2329 && comparePermissionInfos(bp.perm.info, info)) { 2330 changed = false; 2331 } 2332 } 2333 bp.protectionLevel = fixedLevel; 2334 info = new PermissionInfo(info); 2335 info.protectionLevel = fixedLevel; 2336 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2337 bp.perm.info.packageName = tree.perm.info.packageName; 2338 bp.uid = tree.uid; 2339 if (added) { 2340 mSettings.mPermissions.put(info.name, bp); 2341 } 2342 if (changed) { 2343 if (!async) { 2344 mSettings.writeLPr(); 2345 } else { 2346 scheduleWriteSettingsLocked(); 2347 } 2348 } 2349 return added; 2350 } 2351 2352 public boolean addPermission(PermissionInfo info) { 2353 synchronized (mPackages) { 2354 return addPermissionLocked(info, false); 2355 } 2356 } 2357 2358 public boolean addPermissionAsync(PermissionInfo info) { 2359 synchronized (mPackages) { 2360 return addPermissionLocked(info, true); 2361 } 2362 } 2363 2364 public void removePermission(String name) { 2365 synchronized (mPackages) { 2366 checkPermissionTreeLP(name); 2367 BasePermission bp = mSettings.mPermissions.get(name); 2368 if (bp != null) { 2369 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2370 throw new SecurityException( 2371 "Not allowed to modify non-dynamic permission " 2372 + name); 2373 } 2374 mSettings.mPermissions.remove(name); 2375 mSettings.writeLPr(); 2376 } 2377 } 2378 } 2379 2380 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2381 int index = pkg.requestedPermissions.indexOf(bp.name); 2382 if (index == -1) { 2383 throw new SecurityException("Package " + pkg.packageName 2384 + " has not requested permission " + bp.name); 2385 } 2386 boolean isNormal = 2387 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2388 == PermissionInfo.PROTECTION_NORMAL); 2389 boolean isDangerous = 2390 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2391 == PermissionInfo.PROTECTION_DANGEROUS); 2392 boolean isDevelopment = 2393 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2394 2395 if (!isNormal && !isDangerous && !isDevelopment) { 2396 throw new SecurityException("Permission " + bp.name 2397 + " is not a changeable permission type"); 2398 } 2399 2400 if (isNormal || isDangerous) { 2401 if (pkg.requestedPermissionsRequired.get(index)) { 2402 throw new SecurityException("Can't change " + bp.name 2403 + ". It is required by the application"); 2404 } 2405 } 2406 } 2407 2408 public void grantPermission(String packageName, String permissionName) { 2409 mContext.enforceCallingOrSelfPermission( 2410 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2411 synchronized (mPackages) { 2412 final PackageParser.Package pkg = mPackages.get(packageName); 2413 if (pkg == null) { 2414 throw new IllegalArgumentException("Unknown package: " + packageName); 2415 } 2416 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2417 if (bp == null) { 2418 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2419 } 2420 2421 checkGrantRevokePermissions(pkg, bp); 2422 2423 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2424 if (ps == null) { 2425 return; 2426 } 2427 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2428 if (gp.grantedPermissions.add(permissionName)) { 2429 if (ps.haveGids) { 2430 gp.gids = appendInts(gp.gids, bp.gids); 2431 } 2432 mSettings.writeLPr(); 2433 } 2434 } 2435 } 2436 2437 public void revokePermission(String packageName, String permissionName) { 2438 int changedAppId = -1; 2439 2440 synchronized (mPackages) { 2441 final PackageParser.Package pkg = mPackages.get(packageName); 2442 if (pkg == null) { 2443 throw new IllegalArgumentException("Unknown package: " + packageName); 2444 } 2445 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2446 mContext.enforceCallingOrSelfPermission( 2447 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2448 } 2449 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2450 if (bp == null) { 2451 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2452 } 2453 2454 checkGrantRevokePermissions(pkg, bp); 2455 2456 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2457 if (ps == null) { 2458 return; 2459 } 2460 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2461 if (gp.grantedPermissions.remove(permissionName)) { 2462 gp.grantedPermissions.remove(permissionName); 2463 if (ps.haveGids) { 2464 gp.gids = removeInts(gp.gids, bp.gids); 2465 } 2466 mSettings.writeLPr(); 2467 changedAppId = ps.appId; 2468 } 2469 } 2470 2471 if (changedAppId >= 0) { 2472 // We changed the perm on someone, kill its processes. 2473 IActivityManager am = ActivityManagerNative.getDefault(); 2474 if (am != null) { 2475 final int callingUserId = UserHandle.getCallingUserId(); 2476 final long ident = Binder.clearCallingIdentity(); 2477 try { 2478 //XXX we should only revoke for the calling user's app permissions, 2479 // but for now we impact all users. 2480 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2481 // "revoke " + permissionName); 2482 int[] users = sUserManager.getUserIds(); 2483 for (int user : users) { 2484 am.killUid(UserHandle.getUid(user, changedAppId), 2485 "revoke " + permissionName); 2486 } 2487 } catch (RemoteException e) { 2488 } finally { 2489 Binder.restoreCallingIdentity(ident); 2490 } 2491 } 2492 } 2493 } 2494 2495 public boolean isProtectedBroadcast(String actionName) { 2496 synchronized (mPackages) { 2497 return mProtectedBroadcasts.contains(actionName); 2498 } 2499 } 2500 2501 public int checkSignatures(String pkg1, String pkg2) { 2502 synchronized (mPackages) { 2503 final PackageParser.Package p1 = mPackages.get(pkg1); 2504 final PackageParser.Package p2 = mPackages.get(pkg2); 2505 if (p1 == null || p1.mExtras == null 2506 || p2 == null || p2.mExtras == null) { 2507 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2508 } 2509 return compareSignatures(p1.mSignatures, p2.mSignatures); 2510 } 2511 } 2512 2513 public int checkUidSignatures(int uid1, int uid2) { 2514 // Map to base uids. 2515 uid1 = UserHandle.getAppId(uid1); 2516 uid2 = UserHandle.getAppId(uid2); 2517 // reader 2518 synchronized (mPackages) { 2519 Signature[] s1; 2520 Signature[] s2; 2521 Object obj = mSettings.getUserIdLPr(uid1); 2522 if (obj != null) { 2523 if (obj instanceof SharedUserSetting) { 2524 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2525 } else if (obj instanceof PackageSetting) { 2526 s1 = ((PackageSetting)obj).signatures.mSignatures; 2527 } else { 2528 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2529 } 2530 } else { 2531 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2532 } 2533 obj = mSettings.getUserIdLPr(uid2); 2534 if (obj != null) { 2535 if (obj instanceof SharedUserSetting) { 2536 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2537 } else if (obj instanceof PackageSetting) { 2538 s2 = ((PackageSetting)obj).signatures.mSignatures; 2539 } else { 2540 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2541 } 2542 } else { 2543 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2544 } 2545 return compareSignatures(s1, s2); 2546 } 2547 } 2548 2549 static int compareSignatures(Signature[] s1, Signature[] s2) { 2550 if (s1 == null) { 2551 return s2 == null 2552 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2553 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2554 } 2555 if (s2 == null) { 2556 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2557 } 2558 HashSet<Signature> set1 = new HashSet<Signature>(); 2559 for (Signature sig : s1) { 2560 set1.add(sig); 2561 } 2562 HashSet<Signature> set2 = new HashSet<Signature>(); 2563 for (Signature sig : s2) { 2564 set2.add(sig); 2565 } 2566 // Make sure s2 contains all signatures in s1. 2567 if (set1.equals(set2)) { 2568 return PackageManager.SIGNATURE_MATCH; 2569 } 2570 return PackageManager.SIGNATURE_NO_MATCH; 2571 } 2572 2573 public String[] getPackagesForUid(int uid) { 2574 uid = UserHandle.getAppId(uid); 2575 // reader 2576 synchronized (mPackages) { 2577 Object obj = mSettings.getUserIdLPr(uid); 2578 if (obj instanceof SharedUserSetting) { 2579 final SharedUserSetting sus = (SharedUserSetting) obj; 2580 final int N = sus.packages.size(); 2581 final String[] res = new String[N]; 2582 final Iterator<PackageSetting> it = sus.packages.iterator(); 2583 int i = 0; 2584 while (it.hasNext()) { 2585 res[i++] = it.next().name; 2586 } 2587 return res; 2588 } else if (obj instanceof PackageSetting) { 2589 final PackageSetting ps = (PackageSetting) obj; 2590 return new String[] { ps.name }; 2591 } 2592 } 2593 return null; 2594 } 2595 2596 public String getNameForUid(int uid) { 2597 // reader 2598 synchronized (mPackages) { 2599 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2600 if (obj instanceof SharedUserSetting) { 2601 final SharedUserSetting sus = (SharedUserSetting) obj; 2602 return sus.name + ":" + sus.userId; 2603 } else if (obj instanceof PackageSetting) { 2604 final PackageSetting ps = (PackageSetting) obj; 2605 return ps.name; 2606 } 2607 } 2608 return null; 2609 } 2610 2611 public int getUidForSharedUser(String sharedUserName) { 2612 if(sharedUserName == null) { 2613 return -1; 2614 } 2615 // reader 2616 synchronized (mPackages) { 2617 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2618 if (suid == null) { 2619 return -1; 2620 } 2621 return suid.userId; 2622 } 2623 } 2624 2625 public int getFlagsForUid(int uid) { 2626 synchronized (mPackages) { 2627 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2628 if (obj instanceof SharedUserSetting) { 2629 final SharedUserSetting sus = (SharedUserSetting) obj; 2630 return sus.pkgFlags; 2631 } else if (obj instanceof PackageSetting) { 2632 final PackageSetting ps = (PackageSetting) obj; 2633 return ps.pkgFlags; 2634 } 2635 } 2636 return 0; 2637 } 2638 2639 @Override 2640 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2641 int flags, int userId) { 2642 if (!sUserManager.exists(userId)) return null; 2643 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2644 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2645 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2646 } 2647 2648 @Override 2649 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2650 IntentFilter filter, int match, ComponentName activity) { 2651 final int userId = UserHandle.getCallingUserId(); 2652 if (DEBUG_PREFERRED) { 2653 Log.v(TAG, "setLastChosenActivity intent=" + intent 2654 + " resolvedType=" + resolvedType 2655 + " flags=" + flags 2656 + " filter=" + filter 2657 + " match=" + match 2658 + " activity=" + activity); 2659 filter.dump(new PrintStreamPrinter(System.out), " "); 2660 } 2661 intent.setComponent(null); 2662 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2663 // Find any earlier preferred or last chosen entries and nuke them 2664 findPreferredActivity(intent, resolvedType, 2665 flags, query, 0, false, true, false, userId); 2666 // Add the new activity as the last chosen for this filter 2667 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2668 } 2669 2670 @Override 2671 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2672 final int userId = UserHandle.getCallingUserId(); 2673 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2674 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2675 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2676 false, false, false, userId); 2677 } 2678 2679 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2680 int flags, List<ResolveInfo> query, int userId) { 2681 if (query != null) { 2682 final int N = query.size(); 2683 if (N == 1) { 2684 return query.get(0); 2685 } else if (N > 1) { 2686 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2687 // If there is more than one activity with the same priority, 2688 // then let the user decide between them. 2689 ResolveInfo r0 = query.get(0); 2690 ResolveInfo r1 = query.get(1); 2691 if (DEBUG_INTENT_MATCHING || debug) { 2692 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2693 + r1.activityInfo.name + "=" + r1.priority); 2694 } 2695 // If the first activity has a higher priority, or a different 2696 // default, then it is always desireable to pick it. 2697 if (r0.priority != r1.priority 2698 || r0.preferredOrder != r1.preferredOrder 2699 || r0.isDefault != r1.isDefault) { 2700 return query.get(0); 2701 } 2702 // If we have saved a preference for a preferred activity for 2703 // this Intent, use that. 2704 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2705 flags, query, r0.priority, true, false, debug, userId); 2706 if (ri != null) { 2707 return ri; 2708 } 2709 if (userId != 0) { 2710 ri = new ResolveInfo(mResolveInfo); 2711 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2712 ri.activityInfo.applicationInfo = new ApplicationInfo( 2713 ri.activityInfo.applicationInfo); 2714 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2715 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2716 return ri; 2717 } 2718 return mResolveInfo; 2719 } 2720 } 2721 return null; 2722 } 2723 2724 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2725 List<ResolveInfo> query, int priority, boolean always, 2726 boolean removeMatches, boolean debug, int userId) { 2727 if (!sUserManager.exists(userId)) return null; 2728 // writer 2729 synchronized (mPackages) { 2730 if (intent.getSelector() != null) { 2731 intent = intent.getSelector(); 2732 } 2733 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2734 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2735 // Get the list of preferred activities that handle the intent 2736 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2737 List<PreferredActivity> prefs = pir != null 2738 ? pir.queryIntent(intent, resolvedType, 2739 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2740 : null; 2741 if (prefs != null && prefs.size() > 0) { 2742 // First figure out how good the original match set is. 2743 // We will only allow preferred activities that came 2744 // from the same match quality. 2745 int match = 0; 2746 2747 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2748 2749 final int N = query.size(); 2750 for (int j=0; j<N; j++) { 2751 final ResolveInfo ri = query.get(j); 2752 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2753 + ": 0x" + Integer.toHexString(match)); 2754 if (ri.match > match) { 2755 match = ri.match; 2756 } 2757 } 2758 2759 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 2760 + Integer.toHexString(match)); 2761 2762 match &= IntentFilter.MATCH_CATEGORY_MASK; 2763 final int M = prefs.size(); 2764 for (int i=0; i<M; i++) { 2765 final PreferredActivity pa = prefs.get(i); 2766 if (DEBUG_PREFERRED || debug) { 2767 Slog.v(TAG, "Checking PreferredActivity ds=" 2768 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 2769 + "\n component=" + pa.mPref.mComponent); 2770 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2771 } 2772 if (pa.mPref.mMatch != match) { 2773 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 2774 + Integer.toHexString(pa.mPref.mMatch)); 2775 continue; 2776 } 2777 // If it's not an "always" type preferred activity and that's what we're 2778 // looking for, skip it. 2779 if (always && !pa.mPref.mAlways) { 2780 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 2781 continue; 2782 } 2783 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 2784 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2785 if (DEBUG_PREFERRED || debug) { 2786 Slog.v(TAG, "Found preferred activity:"); 2787 if (ai != null) { 2788 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2789 } else { 2790 Slog.v(TAG, " null"); 2791 } 2792 } 2793 if (ai == null) { 2794 // This previously registered preferred activity 2795 // component is no longer known. Most likely an update 2796 // to the app was installed and in the new version this 2797 // component no longer exists. Clean it up by removing 2798 // it from the preferred activities list, and skip it. 2799 Slog.w(TAG, "Removing dangling preferred activity: " 2800 + pa.mPref.mComponent); 2801 pir.removeFilter(pa); 2802 continue; 2803 } 2804 for (int j=0; j<N; j++) { 2805 final ResolveInfo ri = query.get(j); 2806 if (!ri.activityInfo.applicationInfo.packageName 2807 .equals(ai.applicationInfo.packageName)) { 2808 continue; 2809 } 2810 if (!ri.activityInfo.name.equals(ai.name)) { 2811 continue; 2812 } 2813 2814 if (removeMatches) { 2815 pir.removeFilter(pa); 2816 if (DEBUG_PREFERRED) { 2817 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 2818 } 2819 break; 2820 } 2821 2822 // Okay we found a previously set preferred or last chosen app. 2823 // If the result set is different from when this 2824 // was created, we need to clear it and re-ask the 2825 // user their preference, if we're looking for an "always" type entry. 2826 if (always && !pa.mPref.sameSet(query, priority)) { 2827 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2828 + intent + " type " + resolvedType); 2829 if (DEBUG_PREFERRED) { 2830 Slog.v(TAG, "Removing preferred activity since set changed " 2831 + pa.mPref.mComponent); 2832 } 2833 pir.removeFilter(pa); 2834 // Re-add the filter as a "last chosen" entry (!always) 2835 PreferredActivity lastChosen = new PreferredActivity( 2836 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 2837 pir.addFilter(lastChosen); 2838 mSettings.writePackageRestrictionsLPr(userId); 2839 return null; 2840 } 2841 2842 // Yay! Either the set matched or we're looking for the last chosen 2843 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 2844 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2845 mSettings.writePackageRestrictionsLPr(userId); 2846 return ri; 2847 } 2848 } 2849 } 2850 mSettings.writePackageRestrictionsLPr(userId); 2851 } 2852 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 2853 return null; 2854 } 2855 2856 @Override 2857 public List<ResolveInfo> queryIntentActivities(Intent intent, 2858 String resolvedType, int flags, int userId) { 2859 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2860 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 2861 ComponentName comp = intent.getComponent(); 2862 if (comp == null) { 2863 if (intent.getSelector() != null) { 2864 intent = intent.getSelector(); 2865 comp = intent.getComponent(); 2866 } 2867 } 2868 2869 if (comp != null) { 2870 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2871 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 2872 if (ai != null) { 2873 final ResolveInfo ri = new ResolveInfo(); 2874 ri.activityInfo = ai; 2875 list.add(ri); 2876 } 2877 return list; 2878 } 2879 2880 // reader 2881 synchronized (mPackages) { 2882 final String pkgName = intent.getPackage(); 2883 if (pkgName == null) { 2884 return mActivities.queryIntent(intent, resolvedType, flags, userId); 2885 } 2886 final PackageParser.Package pkg = mPackages.get(pkgName); 2887 if (pkg != null) { 2888 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 2889 pkg.activities, userId); 2890 } 2891 return new ArrayList<ResolveInfo>(); 2892 } 2893 } 2894 2895 @Override 2896 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 2897 Intent[] specifics, String[] specificTypes, Intent intent, 2898 String resolvedType, int flags, int userId) { 2899 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2900 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 2901 "query intent activity options"); 2902 final String resultsAction = intent.getAction(); 2903 2904 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 2905 | PackageManager.GET_RESOLVED_FILTER, userId); 2906 2907 if (DEBUG_INTENT_MATCHING) { 2908 Log.v(TAG, "Query " + intent + ": " + results); 2909 } 2910 2911 int specificsPos = 0; 2912 int N; 2913 2914 // todo: note that the algorithm used here is O(N^2). This 2915 // isn't a problem in our current environment, but if we start running 2916 // into situations where we have more than 5 or 10 matches then this 2917 // should probably be changed to something smarter... 2918 2919 // First we go through and resolve each of the specific items 2920 // that were supplied, taking care of removing any corresponding 2921 // duplicate items in the generic resolve list. 2922 if (specifics != null) { 2923 for (int i=0; i<specifics.length; i++) { 2924 final Intent sintent = specifics[i]; 2925 if (sintent == null) { 2926 continue; 2927 } 2928 2929 if (DEBUG_INTENT_MATCHING) { 2930 Log.v(TAG, "Specific #" + i + ": " + sintent); 2931 } 2932 2933 String action = sintent.getAction(); 2934 if (resultsAction != null && resultsAction.equals(action)) { 2935 // If this action was explicitly requested, then don't 2936 // remove things that have it. 2937 action = null; 2938 } 2939 2940 ResolveInfo ri = null; 2941 ActivityInfo ai = null; 2942 2943 ComponentName comp = sintent.getComponent(); 2944 if (comp == null) { 2945 ri = resolveIntent( 2946 sintent, 2947 specificTypes != null ? specificTypes[i] : null, 2948 flags, userId); 2949 if (ri == null) { 2950 continue; 2951 } 2952 if (ri == mResolveInfo) { 2953 // ACK! Must do something better with this. 2954 } 2955 ai = ri.activityInfo; 2956 comp = new ComponentName(ai.applicationInfo.packageName, 2957 ai.name); 2958 } else { 2959 ai = getActivityInfo(comp, flags, userId); 2960 if (ai == null) { 2961 continue; 2962 } 2963 } 2964 2965 // Look for any generic query activities that are duplicates 2966 // of this specific one, and remove them from the results. 2967 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 2968 N = results.size(); 2969 int j; 2970 for (j=specificsPos; j<N; j++) { 2971 ResolveInfo sri = results.get(j); 2972 if ((sri.activityInfo.name.equals(comp.getClassName()) 2973 && sri.activityInfo.applicationInfo.packageName.equals( 2974 comp.getPackageName())) 2975 || (action != null && sri.filter.matchAction(action))) { 2976 results.remove(j); 2977 if (DEBUG_INTENT_MATCHING) Log.v( 2978 TAG, "Removing duplicate item from " + j 2979 + " due to specific " + specificsPos); 2980 if (ri == null) { 2981 ri = sri; 2982 } 2983 j--; 2984 N--; 2985 } 2986 } 2987 2988 // Add this specific item to its proper place. 2989 if (ri == null) { 2990 ri = new ResolveInfo(); 2991 ri.activityInfo = ai; 2992 } 2993 results.add(specificsPos, ri); 2994 ri.specificIndex = i; 2995 specificsPos++; 2996 } 2997 } 2998 2999 // Now we go through the remaining generic results and remove any 3000 // duplicate actions that are found here. 3001 N = results.size(); 3002 for (int i=specificsPos; i<N-1; i++) { 3003 final ResolveInfo rii = results.get(i); 3004 if (rii.filter == null) { 3005 continue; 3006 } 3007 3008 // Iterate over all of the actions of this result's intent 3009 // filter... typically this should be just one. 3010 final Iterator<String> it = rii.filter.actionsIterator(); 3011 if (it == null) { 3012 continue; 3013 } 3014 while (it.hasNext()) { 3015 final String action = it.next(); 3016 if (resultsAction != null && resultsAction.equals(action)) { 3017 // If this action was explicitly requested, then don't 3018 // remove things that have it. 3019 continue; 3020 } 3021 for (int j=i+1; j<N; j++) { 3022 final ResolveInfo rij = results.get(j); 3023 if (rij.filter != null && rij.filter.hasAction(action)) { 3024 results.remove(j); 3025 if (DEBUG_INTENT_MATCHING) Log.v( 3026 TAG, "Removing duplicate item from " + j 3027 + " due to action " + action + " at " + i); 3028 j--; 3029 N--; 3030 } 3031 } 3032 } 3033 3034 // If the caller didn't request filter information, drop it now 3035 // so we don't have to marshall/unmarshall it. 3036 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3037 rii.filter = null; 3038 } 3039 } 3040 3041 // Filter out the caller activity if so requested. 3042 if (caller != null) { 3043 N = results.size(); 3044 for (int i=0; i<N; i++) { 3045 ActivityInfo ainfo = results.get(i).activityInfo; 3046 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3047 && caller.getClassName().equals(ainfo.name)) { 3048 results.remove(i); 3049 break; 3050 } 3051 } 3052 } 3053 3054 // If the caller didn't request filter information, 3055 // drop them now so we don't have to 3056 // marshall/unmarshall it. 3057 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3058 N = results.size(); 3059 for (int i=0; i<N; i++) { 3060 results.get(i).filter = null; 3061 } 3062 } 3063 3064 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3065 return results; 3066 } 3067 3068 @Override 3069 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3070 int userId) { 3071 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3072 ComponentName comp = intent.getComponent(); 3073 if (comp == null) { 3074 if (intent.getSelector() != null) { 3075 intent = intent.getSelector(); 3076 comp = intent.getComponent(); 3077 } 3078 } 3079 if (comp != null) { 3080 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3081 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3082 if (ai != null) { 3083 ResolveInfo ri = new ResolveInfo(); 3084 ri.activityInfo = ai; 3085 list.add(ri); 3086 } 3087 return list; 3088 } 3089 3090 // reader 3091 synchronized (mPackages) { 3092 String pkgName = intent.getPackage(); 3093 if (pkgName == null) { 3094 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3095 } 3096 final PackageParser.Package pkg = mPackages.get(pkgName); 3097 if (pkg != null) { 3098 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3099 userId); 3100 } 3101 return null; 3102 } 3103 } 3104 3105 @Override 3106 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3107 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3108 if (!sUserManager.exists(userId)) return null; 3109 if (query != null) { 3110 if (query.size() >= 1) { 3111 // If there is more than one service with the same priority, 3112 // just arbitrarily pick the first one. 3113 return query.get(0); 3114 } 3115 } 3116 return null; 3117 } 3118 3119 @Override 3120 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3121 int userId) { 3122 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3123 ComponentName comp = intent.getComponent(); 3124 if (comp == null) { 3125 if (intent.getSelector() != null) { 3126 intent = intent.getSelector(); 3127 comp = intent.getComponent(); 3128 } 3129 } 3130 if (comp != null) { 3131 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3132 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3133 if (si != null) { 3134 final ResolveInfo ri = new ResolveInfo(); 3135 ri.serviceInfo = si; 3136 list.add(ri); 3137 } 3138 return list; 3139 } 3140 3141 // reader 3142 synchronized (mPackages) { 3143 String pkgName = intent.getPackage(); 3144 if (pkgName == null) { 3145 return mServices.queryIntent(intent, resolvedType, flags, userId); 3146 } 3147 final PackageParser.Package pkg = mPackages.get(pkgName); 3148 if (pkg != null) { 3149 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3150 userId); 3151 } 3152 return null; 3153 } 3154 } 3155 3156 @Override 3157 public List<ResolveInfo> queryIntentContentProviders( 3158 Intent intent, String resolvedType, int flags, int userId) { 3159 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3160 ComponentName comp = intent.getComponent(); 3161 if (comp == null) { 3162 if (intent.getSelector() != null) { 3163 intent = intent.getSelector(); 3164 comp = intent.getComponent(); 3165 } 3166 } 3167 if (comp != null) { 3168 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3169 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3170 if (pi != null) { 3171 final ResolveInfo ri = new ResolveInfo(); 3172 ri.providerInfo = pi; 3173 list.add(ri); 3174 } 3175 return list; 3176 } 3177 3178 // reader 3179 synchronized (mPackages) { 3180 String pkgName = intent.getPackage(); 3181 if (pkgName == null) { 3182 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3183 } 3184 final PackageParser.Package pkg = mPackages.get(pkgName); 3185 if (pkg != null) { 3186 return mProviders.queryIntentForPackage( 3187 intent, resolvedType, flags, pkg.providers, userId); 3188 } 3189 return null; 3190 } 3191 } 3192 3193 @Override 3194 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3195 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3196 3197 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3198 3199 // writer 3200 synchronized (mPackages) { 3201 ArrayList<PackageInfo> list; 3202 if (listUninstalled) { 3203 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3204 for (PackageSetting ps : mSettings.mPackages.values()) { 3205 PackageInfo pi; 3206 if (ps.pkg != null) { 3207 pi = generatePackageInfo(ps.pkg, flags, userId); 3208 } else { 3209 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3210 } 3211 if (pi != null) { 3212 list.add(pi); 3213 } 3214 } 3215 } else { 3216 list = new ArrayList<PackageInfo>(mPackages.size()); 3217 for (PackageParser.Package p : mPackages.values()) { 3218 PackageInfo pi = generatePackageInfo(p, flags, userId); 3219 if (pi != null) { 3220 list.add(pi); 3221 } 3222 } 3223 } 3224 3225 return new ParceledListSlice<PackageInfo>(list); 3226 } 3227 } 3228 3229 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3230 String[] permissions, boolean[] tmp, int flags, int userId) { 3231 int numMatch = 0; 3232 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3233 for (int i=0; i<permissions.length; i++) { 3234 if (gp.grantedPermissions.contains(permissions[i])) { 3235 tmp[i] = true; 3236 numMatch++; 3237 } else { 3238 tmp[i] = false; 3239 } 3240 } 3241 if (numMatch == 0) { 3242 return; 3243 } 3244 PackageInfo pi; 3245 if (ps.pkg != null) { 3246 pi = generatePackageInfo(ps.pkg, flags, userId); 3247 } else { 3248 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3249 } 3250 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3251 if (numMatch == permissions.length) { 3252 pi.requestedPermissions = permissions; 3253 } else { 3254 pi.requestedPermissions = new String[numMatch]; 3255 numMatch = 0; 3256 for (int i=0; i<permissions.length; i++) { 3257 if (tmp[i]) { 3258 pi.requestedPermissions[numMatch] = permissions[i]; 3259 numMatch++; 3260 } 3261 } 3262 } 3263 } 3264 list.add(pi); 3265 } 3266 3267 @Override 3268 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3269 String[] permissions, int flags, int userId) { 3270 if (!sUserManager.exists(userId)) return null; 3271 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3272 3273 // writer 3274 synchronized (mPackages) { 3275 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3276 boolean[] tmpBools = new boolean[permissions.length]; 3277 if (listUninstalled) { 3278 for (PackageSetting ps : mSettings.mPackages.values()) { 3279 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3280 } 3281 } else { 3282 for (PackageParser.Package pkg : mPackages.values()) { 3283 PackageSetting ps = (PackageSetting)pkg.mExtras; 3284 if (ps != null) { 3285 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3286 userId); 3287 } 3288 } 3289 } 3290 3291 return new ParceledListSlice<PackageInfo>(list); 3292 } 3293 } 3294 3295 @Override 3296 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3297 if (!sUserManager.exists(userId)) return null; 3298 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3299 3300 // writer 3301 synchronized (mPackages) { 3302 ArrayList<ApplicationInfo> list; 3303 if (listUninstalled) { 3304 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3305 for (PackageSetting ps : mSettings.mPackages.values()) { 3306 ApplicationInfo ai; 3307 if (ps.pkg != null) { 3308 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3309 ps.readUserState(userId), userId); 3310 } else { 3311 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3312 } 3313 if (ai != null) { 3314 list.add(ai); 3315 } 3316 } 3317 } else { 3318 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3319 for (PackageParser.Package p : mPackages.values()) { 3320 if (p.mExtras != null) { 3321 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3322 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3323 if (ai != null) { 3324 list.add(ai); 3325 } 3326 } 3327 } 3328 } 3329 3330 return new ParceledListSlice<ApplicationInfo>(list); 3331 } 3332 } 3333 3334 public List<ApplicationInfo> getPersistentApplications(int flags) { 3335 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3336 3337 // reader 3338 synchronized (mPackages) { 3339 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3340 final int userId = UserHandle.getCallingUserId(); 3341 while (i.hasNext()) { 3342 final PackageParser.Package p = i.next(); 3343 if (p.applicationInfo != null 3344 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3345 && (!mSafeMode || isSystemApp(p))) { 3346 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3347 if (ps != null) { 3348 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3349 ps.readUserState(userId), userId); 3350 if (ai != null) { 3351 finalList.add(ai); 3352 } 3353 } 3354 } 3355 } 3356 } 3357 3358 return finalList; 3359 } 3360 3361 @Override 3362 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3363 if (!sUserManager.exists(userId)) return null; 3364 // reader 3365 synchronized (mPackages) { 3366 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3367 PackageSetting ps = provider != null 3368 ? mSettings.mPackages.get(provider.owner.packageName) 3369 : null; 3370 return ps != null 3371 && mSettings.isEnabledLPr(provider.info, flags, userId) 3372 && (!mSafeMode || (provider.info.applicationInfo.flags 3373 &ApplicationInfo.FLAG_SYSTEM) != 0) 3374 ? PackageParser.generateProviderInfo(provider, flags, 3375 ps.readUserState(userId), userId) 3376 : null; 3377 } 3378 } 3379 3380 /** 3381 * @deprecated 3382 */ 3383 @Deprecated 3384 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3385 // reader 3386 synchronized (mPackages) { 3387 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3388 .entrySet().iterator(); 3389 final int userId = UserHandle.getCallingUserId(); 3390 while (i.hasNext()) { 3391 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3392 PackageParser.Provider p = entry.getValue(); 3393 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3394 3395 if (ps != null && p.syncable 3396 && (!mSafeMode || (p.info.applicationInfo.flags 3397 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3398 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3399 ps.readUserState(userId), userId); 3400 if (info != null) { 3401 outNames.add(entry.getKey()); 3402 outInfo.add(info); 3403 } 3404 } 3405 } 3406 } 3407 } 3408 3409 public List<ProviderInfo> queryContentProviders(String processName, 3410 int uid, int flags) { 3411 ArrayList<ProviderInfo> finalList = null; 3412 // reader 3413 synchronized (mPackages) { 3414 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3415 final int userId = processName != null ? 3416 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3417 while (i.hasNext()) { 3418 final PackageParser.Provider p = i.next(); 3419 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3420 if (ps != null && p.info.authority != null 3421 && (processName == null 3422 || (p.info.processName.equals(processName) 3423 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3424 && mSettings.isEnabledLPr(p.info, flags, userId) 3425 && (!mSafeMode 3426 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3427 if (finalList == null) { 3428 finalList = new ArrayList<ProviderInfo>(3); 3429 } 3430 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3431 ps.readUserState(userId), userId); 3432 if (info != null) { 3433 finalList.add(info); 3434 } 3435 } 3436 } 3437 } 3438 3439 if (finalList != null) { 3440 Collections.sort(finalList, mProviderInitOrderSorter); 3441 } 3442 3443 return finalList; 3444 } 3445 3446 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3447 int flags) { 3448 // reader 3449 synchronized (mPackages) { 3450 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3451 return PackageParser.generateInstrumentationInfo(i, flags); 3452 } 3453 } 3454 3455 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3456 int flags) { 3457 ArrayList<InstrumentationInfo> finalList = 3458 new ArrayList<InstrumentationInfo>(); 3459 3460 // reader 3461 synchronized (mPackages) { 3462 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3463 while (i.hasNext()) { 3464 final PackageParser.Instrumentation p = i.next(); 3465 if (targetPackage == null 3466 || targetPackage.equals(p.info.targetPackage)) { 3467 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3468 flags); 3469 if (ii != null) { 3470 finalList.add(ii); 3471 } 3472 } 3473 } 3474 } 3475 3476 return finalList; 3477 } 3478 3479 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3480 String[] files = dir.list(); 3481 if (files == null) { 3482 Log.d(TAG, "No files in app dir " + dir); 3483 return; 3484 } 3485 3486 if (DEBUG_PACKAGE_SCANNING) { 3487 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3488 + " flags=0x" + Integer.toHexString(flags)); 3489 } 3490 3491 int i; 3492 for (i=0; i<files.length; i++) { 3493 File file = new File(dir, files[i]); 3494 if (!isPackageFilename(files[i])) { 3495 // Ignore entries which are not apk's 3496 continue; 3497 } 3498 PackageParser.Package pkg = scanPackageLI(file, 3499 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3500 // Don't mess around with apps in system partition. 3501 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3502 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3503 // Delete the apk 3504 Slog.w(TAG, "Cleaning up failed install of " + file); 3505 file.delete(); 3506 } 3507 } 3508 } 3509 3510 private static File getSettingsProblemFile() { 3511 File dataDir = Environment.getDataDirectory(); 3512 File systemDir = new File(dataDir, "system"); 3513 File fname = new File(systemDir, "uiderrors.txt"); 3514 return fname; 3515 } 3516 3517 static void reportSettingsProblem(int priority, String msg) { 3518 try { 3519 File fname = getSettingsProblemFile(); 3520 FileOutputStream out = new FileOutputStream(fname, true); 3521 PrintWriter pw = new FastPrintWriter(out); 3522 SimpleDateFormat formatter = new SimpleDateFormat(); 3523 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3524 pw.println(dateString + ": " + msg); 3525 pw.close(); 3526 FileUtils.setPermissions( 3527 fname.toString(), 3528 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3529 -1, -1); 3530 } catch (java.io.IOException e) { 3531 } 3532 Slog.println(priority, TAG, msg); 3533 } 3534 3535 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3536 PackageParser.Package pkg, File srcFile, int parseFlags) { 3537 if (GET_CERTIFICATES) { 3538 if (ps != null 3539 && ps.codePath.equals(srcFile) 3540 && ps.timeStamp == srcFile.lastModified()) { 3541 if (ps.signatures.mSignatures != null 3542 && ps.signatures.mSignatures.length != 0) { 3543 // Optimization: reuse the existing cached certificates 3544 // if the package appears to be unchanged. 3545 pkg.mSignatures = ps.signatures.mSignatures; 3546 return true; 3547 } 3548 3549 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3550 } else { 3551 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3552 } 3553 3554 if (!pp.collectCertificates(pkg, parseFlags)) { 3555 mLastScanError = pp.getParseError(); 3556 return false; 3557 } 3558 } 3559 return true; 3560 } 3561 3562 /* 3563 * Scan a package and return the newly parsed package. 3564 * Returns null in case of errors and the error code is stored in mLastScanError 3565 */ 3566 private PackageParser.Package scanPackageLI(File scanFile, 3567 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3568 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3569 String scanPath = scanFile.getPath(); 3570 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3571 parseFlags |= mDefParseFlags; 3572 PackageParser pp = new PackageParser(scanPath); 3573 pp.setSeparateProcesses(mSeparateProcesses); 3574 pp.setOnlyCoreApps(mOnlyCore); 3575 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3576 scanPath, mMetrics, parseFlags); 3577 3578 if (pkg == null) { 3579 mLastScanError = pp.getParseError(); 3580 return null; 3581 } 3582 3583 PackageSetting ps = null; 3584 PackageSetting updatedPkg; 3585 // reader 3586 synchronized (mPackages) { 3587 // Look to see if we already know about this package. 3588 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3589 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3590 // This package has been renamed to its original name. Let's 3591 // use that. 3592 ps = mSettings.peekPackageLPr(oldName); 3593 } 3594 // If there was no original package, see one for the real package name. 3595 if (ps == null) { 3596 ps = mSettings.peekPackageLPr(pkg.packageName); 3597 } 3598 // Check to see if this package could be hiding/updating a system 3599 // package. Must look for it either under the original or real 3600 // package name depending on our state. 3601 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3602 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3603 } 3604 // First check if this is a system package that may involve an update 3605 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3606 if (ps != null && !ps.codePath.equals(scanFile)) { 3607 // The path has changed from what was last scanned... check the 3608 // version of the new path against what we have stored to determine 3609 // what to do. 3610 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3611 if (pkg.mVersionCode < ps.versionCode) { 3612 // The system package has been updated and the code path does not match 3613 // Ignore entry. Skip it. 3614 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3615 + " ignored: updated version " + ps.versionCode 3616 + " better than this " + pkg.mVersionCode); 3617 if (!updatedPkg.codePath.equals(scanFile)) { 3618 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3619 + ps.name + " changing from " + updatedPkg.codePathString 3620 + " to " + scanFile); 3621 updatedPkg.codePath = scanFile; 3622 updatedPkg.codePathString = scanFile.toString(); 3623 // This is the point at which we know that the system-disk APK 3624 // for this package has moved during a reboot (e.g. due to an OTA), 3625 // so we need to reevaluate it for privilege policy. 3626 if (locationIsPrivileged(scanFile)) { 3627 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3628 } 3629 } 3630 updatedPkg.pkg = pkg; 3631 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3632 return null; 3633 } else { 3634 // The current app on the system partion is better than 3635 // what we have updated to on the data partition; switch 3636 // back to the system partition version. 3637 // At this point, its safely assumed that package installation for 3638 // apps in system partition will go through. If not there won't be a working 3639 // version of the app 3640 // writer 3641 synchronized (mPackages) { 3642 // Just remove the loaded entries from package lists. 3643 mPackages.remove(ps.name); 3644 } 3645 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3646 + "reverting from " + ps.codePathString 3647 + ": new version " + pkg.mVersionCode 3648 + " better than installed " + ps.versionCode); 3649 3650 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3651 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3652 synchronized (mInstallLock) { 3653 args.cleanUpResourcesLI(); 3654 } 3655 synchronized (mPackages) { 3656 mSettings.enableSystemPackageLPw(ps.name); 3657 } 3658 } 3659 } 3660 } 3661 3662 if (updatedPkg != null) { 3663 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3664 // initially 3665 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3666 3667 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3668 // flag set initially 3669 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3670 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3671 } 3672 } 3673 // Verify certificates against what was last scanned 3674 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3675 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3676 return null; 3677 } 3678 3679 /* 3680 * A new system app appeared, but we already had a non-system one of the 3681 * same name installed earlier. 3682 */ 3683 boolean shouldHideSystemApp = false; 3684 if (updatedPkg == null && ps != null 3685 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3686 /* 3687 * Check to make sure the signatures match first. If they don't, 3688 * wipe the installed application and its data. 3689 */ 3690 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3691 != PackageManager.SIGNATURE_MATCH) { 3692 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3693 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3694 ps = null; 3695 } else { 3696 /* 3697 * If the newly-added system app is an older version than the 3698 * already installed version, hide it. It will be scanned later 3699 * and re-added like an update. 3700 */ 3701 if (pkg.mVersionCode < ps.versionCode) { 3702 shouldHideSystemApp = true; 3703 } else { 3704 /* 3705 * The newly found system app is a newer version that the 3706 * one previously installed. Simply remove the 3707 * already-installed application and replace it with our own 3708 * while keeping the application data. 3709 */ 3710 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3711 + ps.codePathString + ": new version " + pkg.mVersionCode 3712 + " better than installed " + ps.versionCode); 3713 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3714 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3715 synchronized (mInstallLock) { 3716 args.cleanUpResourcesLI(); 3717 } 3718 } 3719 } 3720 } 3721 3722 // The apk is forward locked (not public) if its code and resources 3723 // are kept in different files. (except for app in either system or 3724 // vendor path). 3725 // TODO grab this value from PackageSettings 3726 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3727 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3728 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3729 } 3730 } 3731 3732 String codePath = null; 3733 String resPath = null; 3734 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0) { 3735 if (ps != null && ps.resourcePathString != null) { 3736 resPath = ps.resourcePathString; 3737 } else { 3738 // Should not happen at all. Just log an error. 3739 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3740 } 3741 } else { 3742 resPath = pkg.mScanPath; 3743 } 3744 3745 codePath = pkg.mScanPath; 3746 // Set application objects path explicitly. 3747 setApplicationInfoPaths(pkg, codePath, resPath); 3748 // Note that we invoke the following method only if we are about to unpack an application 3749 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3750 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3751 3752 /* 3753 * If the system app should be overridden by a previously installed 3754 * data, hide the system app now and let the /data/app scan pick it up 3755 * again. 3756 */ 3757 if (shouldHideSystemApp) { 3758 synchronized (mPackages) { 3759 /* 3760 * We have to grant systems permissions before we hide, because 3761 * grantPermissions will assume the package update is trying to 3762 * expand its permissions. 3763 */ 3764 grantPermissionsLPw(pkg, true); 3765 mSettings.disableSystemPackageLPw(pkg.packageName); 3766 } 3767 } 3768 3769 return scannedPkg; 3770 } 3771 3772 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3773 String destResPath) { 3774 pkg.mPath = pkg.mScanPath = destCodePath; 3775 pkg.applicationInfo.sourceDir = destCodePath; 3776 pkg.applicationInfo.publicSourceDir = destResPath; 3777 } 3778 3779 private static String fixProcessName(String defProcessName, 3780 String processName, int uid) { 3781 if (processName == null) { 3782 return defProcessName; 3783 } 3784 return processName; 3785 } 3786 3787 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3788 PackageParser.Package pkg) { 3789 if (pkgSetting.signatures.mSignatures != null) { 3790 // Already existing package. Make sure signatures match 3791 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3792 PackageManager.SIGNATURE_MATCH) { 3793 Slog.e(TAG, "Package " + pkg.packageName 3794 + " signatures do not match the previously installed version; ignoring!"); 3795 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3796 return false; 3797 } 3798 } 3799 // Check for shared user signatures 3800 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3801 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3802 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3803 Slog.e(TAG, "Package " + pkg.packageName 3804 + " has no signatures that match those in shared user " 3805 + pkgSetting.sharedUser.name + "; ignoring!"); 3806 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3807 return false; 3808 } 3809 } 3810 return true; 3811 } 3812 3813 /** 3814 * Enforces that only the system UID or root's UID can call a method exposed 3815 * via Binder. 3816 * 3817 * @param message used as message if SecurityException is thrown 3818 * @throws SecurityException if the caller is not system or root 3819 */ 3820 private static final void enforceSystemOrRoot(String message) { 3821 final int uid = Binder.getCallingUid(); 3822 if (uid != Process.SYSTEM_UID && uid != 0) { 3823 throw new SecurityException(message); 3824 } 3825 } 3826 3827 public void performBootDexOpt() { 3828 HashSet<PackageParser.Package> pkgs = null; 3829 synchronized (mPackages) { 3830 pkgs = mDeferredDexOpt; 3831 mDeferredDexOpt = null; 3832 } 3833 if (pkgs != null) { 3834 int i = 0; 3835 for (PackageParser.Package pkg : pkgs) { 3836 if (!isFirstBoot()) { 3837 i++; 3838 try { 3839 ActivityManagerNative.getDefault().showBootMessage( 3840 mContext.getResources().getString( 3841 com.android.internal.R.string.android_upgrading_apk, 3842 i, pkgs.size()), true); 3843 } catch (RemoteException e) { 3844 } 3845 } 3846 PackageParser.Package p = pkg; 3847 synchronized (mInstallLock) { 3848 if (!p.mDidDexOpt) { 3849 performDexOptLI(p, false, false, true); 3850 } 3851 } 3852 } 3853 } 3854 } 3855 3856 public boolean performDexOpt(String packageName) { 3857 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3858 3859 if (!mNoDexOpt) { 3860 return false; 3861 } 3862 3863 PackageParser.Package p; 3864 synchronized (mPackages) { 3865 p = mPackages.get(packageName); 3866 if (p == null || p.mDidDexOpt) { 3867 return false; 3868 } 3869 } 3870 synchronized (mInstallLock) { 3871 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 3872 } 3873 } 3874 3875 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 3876 HashSet<String> done) { 3877 for (int i=0; i<libs.size(); i++) { 3878 PackageParser.Package libPkg; 3879 String libName; 3880 synchronized (mPackages) { 3881 libName = libs.get(i); 3882 SharedLibraryEntry lib = mSharedLibraries.get(libName); 3883 if (lib != null && lib.apk != null) { 3884 libPkg = mPackages.get(lib.apk); 3885 } else { 3886 libPkg = null; 3887 } 3888 } 3889 if (libPkg != null && !done.contains(libName)) { 3890 performDexOptLI(libPkg, forceDex, defer, done); 3891 } 3892 } 3893 } 3894 3895 static final int DEX_OPT_SKIPPED = 0; 3896 static final int DEX_OPT_PERFORMED = 1; 3897 static final int DEX_OPT_DEFERRED = 2; 3898 static final int DEX_OPT_FAILED = -1; 3899 3900 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 3901 HashSet<String> done) { 3902 boolean performed = false; 3903 if (done != null) { 3904 done.add(pkg.packageName); 3905 if (pkg.usesLibraries != null) { 3906 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 3907 } 3908 if (pkg.usesOptionalLibraries != null) { 3909 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 3910 } 3911 } 3912 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 3913 String path = pkg.mScanPath; 3914 int ret = 0; 3915 try { 3916 if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { 3917 if (!forceDex && defer) { 3918 if (mDeferredDexOpt == null) { 3919 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 3920 } 3921 mDeferredDexOpt.add(pkg); 3922 return DEX_OPT_DEFERRED; 3923 } else { 3924 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 3925 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3926 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg)); 3927 pkg.mDidDexOpt = true; 3928 performed = true; 3929 } 3930 } 3931 } catch (FileNotFoundException e) { 3932 Slog.w(TAG, "Apk not found for dexopt: " + path); 3933 ret = -1; 3934 } catch (IOException e) { 3935 Slog.w(TAG, "IOException reading apk: " + path, e); 3936 ret = -1; 3937 } catch (dalvik.system.StaleDexCacheError e) { 3938 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 3939 ret = -1; 3940 } catch (Exception e) { 3941 Slog.w(TAG, "Exception when doing dexopt : ", e); 3942 ret = -1; 3943 } 3944 if (ret < 0) { 3945 //error from installer 3946 return DEX_OPT_FAILED; 3947 } 3948 } 3949 3950 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 3951 } 3952 3953 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 3954 boolean inclDependencies) { 3955 HashSet<String> done; 3956 boolean performed = false; 3957 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 3958 done = new HashSet<String>(); 3959 done.add(pkg.packageName); 3960 } else { 3961 done = null; 3962 } 3963 return performDexOptLI(pkg, forceDex, defer, done); 3964 } 3965 3966 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 3967 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 3968 Slog.w(TAG, "Unable to update from " + oldPkg.name 3969 + " to " + newPkg.packageName 3970 + ": old package not in system partition"); 3971 return false; 3972 } else if (mPackages.get(oldPkg.name) != null) { 3973 Slog.w(TAG, "Unable to update from " + oldPkg.name 3974 + " to " + newPkg.packageName 3975 + ": old package still exists"); 3976 return false; 3977 } 3978 return true; 3979 } 3980 3981 File getDataPathForUser(int userId) { 3982 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 3983 } 3984 3985 private File getDataPathForPackage(String packageName, int userId) { 3986 /* 3987 * Until we fully support multiple users, return the directory we 3988 * previously would have. The PackageManagerTests will need to be 3989 * revised when this is changed back.. 3990 */ 3991 if (userId == 0) { 3992 return new File(mAppDataDir, packageName); 3993 } else { 3994 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 3995 + File.separator + packageName); 3996 } 3997 } 3998 3999 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4000 int[] users = sUserManager.getUserIds(); 4001 int res = mInstaller.install(packageName, uid, uid, seinfo); 4002 if (res < 0) { 4003 return res; 4004 } 4005 for (int user : users) { 4006 if (user != 0) { 4007 res = mInstaller.createUserData(packageName, 4008 UserHandle.getUid(user, uid), user, seinfo); 4009 if (res < 0) { 4010 return res; 4011 } 4012 } 4013 } 4014 return res; 4015 } 4016 4017 private int removeDataDirsLI(String packageName) { 4018 int[] users = sUserManager.getUserIds(); 4019 int res = 0; 4020 for (int user : users) { 4021 int resInner = mInstaller.remove(packageName, user); 4022 if (resInner < 0) { 4023 res = resInner; 4024 } 4025 } 4026 4027 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4028 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4029 if (!nativeLibraryFile.delete()) { 4030 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4031 } 4032 4033 return res; 4034 } 4035 4036 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4037 PackageParser.Package changingLib) { 4038 if (file.path != null) { 4039 mTmpSharedLibraries[num] = file.path; 4040 return num+1; 4041 } 4042 PackageParser.Package p = mPackages.get(file.apk); 4043 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4044 // If we are doing this while in the middle of updating a library apk, 4045 // then we need to make sure to use that new apk for determining the 4046 // dependencies here. (We haven't yet finished committing the new apk 4047 // to the package manager state.) 4048 if (p == null || p.packageName.equals(changingLib.packageName)) { 4049 p = changingLib; 4050 } 4051 } 4052 if (p != null) { 4053 String path = p.mPath; 4054 for (int i=0; i<num; i++) { 4055 if (mTmpSharedLibraries[i].equals(path)) { 4056 return num; 4057 } 4058 } 4059 mTmpSharedLibraries[num] = p.mPath; 4060 return num+1; 4061 } 4062 return num; 4063 } 4064 4065 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4066 PackageParser.Package changingLib) { 4067 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4068 if (mTmpSharedLibraries == null || 4069 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4070 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4071 } 4072 int num = 0; 4073 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4074 for (int i=0; i<N; i++) { 4075 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4076 if (file == null) { 4077 Slog.e(TAG, "Package " + pkg.packageName 4078 + " requires unavailable shared library " 4079 + pkg.usesLibraries.get(i) + "; failing!"); 4080 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4081 return false; 4082 } 4083 num = addSharedLibraryLPw(file, num, changingLib); 4084 } 4085 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4086 for (int i=0; i<N; i++) { 4087 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4088 if (file == null) { 4089 Slog.w(TAG, "Package " + pkg.packageName 4090 + " desires unavailable shared library " 4091 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4092 } else { 4093 num = addSharedLibraryLPw(file, num, changingLib); 4094 } 4095 } 4096 if (num > 0) { 4097 pkg.usesLibraryFiles = new String[num]; 4098 System.arraycopy(mTmpSharedLibraries, 0, 4099 pkg.usesLibraryFiles, 0, num); 4100 } else { 4101 pkg.usesLibraryFiles = null; 4102 } 4103 } 4104 return true; 4105 } 4106 4107 private static boolean hasString(List<String> list, List<String> which) { 4108 if (list == null) { 4109 return false; 4110 } 4111 for (int i=list.size()-1; i>=0; i--) { 4112 for (int j=which.size()-1; j>=0; j--) { 4113 if (which.get(j).equals(list.get(i))) { 4114 return true; 4115 } 4116 } 4117 } 4118 return false; 4119 } 4120 4121 private void updateAllSharedLibrariesLPw() { 4122 for (PackageParser.Package pkg : mPackages.values()) { 4123 updateSharedLibrariesLPw(pkg, null); 4124 } 4125 } 4126 4127 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4128 PackageParser.Package changingPkg) { 4129 ArrayList<PackageParser.Package> res = null; 4130 for (PackageParser.Package pkg : mPackages.values()) { 4131 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4132 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4133 if (res == null) { 4134 res = new ArrayList<PackageParser.Package>(); 4135 } 4136 res.add(pkg); 4137 updateSharedLibrariesLPw(pkg, changingPkg); 4138 } 4139 } 4140 return res; 4141 } 4142 4143 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4144 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4145 File scanFile = new File(pkg.mScanPath); 4146 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4147 pkg.applicationInfo.publicSourceDir == null) { 4148 // Bail out. The resource and code paths haven't been set. 4149 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4150 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4151 return null; 4152 } 4153 4154 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4155 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4156 } 4157 4158 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4159 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4160 } 4161 4162 if (mCustomResolverComponentName != null && 4163 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4164 setUpCustomResolverActivity(pkg); 4165 } 4166 4167 if (pkg.packageName.equals("android")) { 4168 synchronized (mPackages) { 4169 if (mAndroidApplication != null) { 4170 Slog.w(TAG, "*************************************************"); 4171 Slog.w(TAG, "Core android package being redefined. Skipping."); 4172 Slog.w(TAG, " file=" + scanFile); 4173 Slog.w(TAG, "*************************************************"); 4174 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4175 return null; 4176 } 4177 4178 // Set up information for our fall-back user intent resolution activity. 4179 mPlatformPackage = pkg; 4180 pkg.mVersionCode = mSdkVersion; 4181 mAndroidApplication = pkg.applicationInfo; 4182 4183 if (!mResolverReplaced) { 4184 mResolveActivity.applicationInfo = mAndroidApplication; 4185 mResolveActivity.name = ResolverActivity.class.getName(); 4186 mResolveActivity.packageName = mAndroidApplication.packageName; 4187 mResolveActivity.processName = "system:ui"; 4188 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4189 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4190 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4191 mResolveActivity.exported = true; 4192 mResolveActivity.enabled = true; 4193 mResolveInfo.activityInfo = mResolveActivity; 4194 mResolveInfo.priority = 0; 4195 mResolveInfo.preferredOrder = 0; 4196 mResolveInfo.match = 0; 4197 mResolveComponentName = new ComponentName( 4198 mAndroidApplication.packageName, mResolveActivity.name); 4199 } 4200 } 4201 } 4202 4203 if (DEBUG_PACKAGE_SCANNING) { 4204 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4205 Log.d(TAG, "Scanning package " + pkg.packageName); 4206 } 4207 4208 if (mPackages.containsKey(pkg.packageName) 4209 || mSharedLibraries.containsKey(pkg.packageName)) { 4210 Slog.w(TAG, "Application package " + pkg.packageName 4211 + " already installed. Skipping duplicate."); 4212 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4213 return null; 4214 } 4215 4216 // Initialize package source and resource directories 4217 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4218 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4219 4220 SharedUserSetting suid = null; 4221 PackageSetting pkgSetting = null; 4222 4223 if (!isSystemApp(pkg)) { 4224 // Only system apps can use these features. 4225 pkg.mOriginalPackages = null; 4226 pkg.mRealPackage = null; 4227 pkg.mAdoptPermissions = null; 4228 } 4229 4230 // writer 4231 synchronized (mPackages) { 4232 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4233 // Check all shared libraries and map to their actual file path. 4234 // We only do this here for apps not on a system dir, because those 4235 // are the only ones that can fail an install due to this. We 4236 // will take care of the system apps by updating all of their 4237 // library paths after the scan is done. 4238 if (!updateSharedLibrariesLPw(pkg, null)) { 4239 return null; 4240 } 4241 } 4242 4243 if (pkg.mSharedUserId != null) { 4244 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4245 if (suid == null) { 4246 Slog.w(TAG, "Creating application package " + pkg.packageName 4247 + " for shared user failed"); 4248 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4249 return null; 4250 } 4251 if (DEBUG_PACKAGE_SCANNING) { 4252 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4253 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4254 + "): packages=" + suid.packages); 4255 } 4256 } 4257 4258 // Check if we are renaming from an original package name. 4259 PackageSetting origPackage = null; 4260 String realName = null; 4261 if (pkg.mOriginalPackages != null) { 4262 // This package may need to be renamed to a previously 4263 // installed name. Let's check on that... 4264 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4265 if (pkg.mOriginalPackages.contains(renamed)) { 4266 // This package had originally been installed as the 4267 // original name, and we have already taken care of 4268 // transitioning to the new one. Just update the new 4269 // one to continue using the old name. 4270 realName = pkg.mRealPackage; 4271 if (!pkg.packageName.equals(renamed)) { 4272 // Callers into this function may have already taken 4273 // care of renaming the package; only do it here if 4274 // it is not already done. 4275 pkg.setPackageName(renamed); 4276 } 4277 4278 } else { 4279 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4280 if ((origPackage = mSettings.peekPackageLPr( 4281 pkg.mOriginalPackages.get(i))) != null) { 4282 // We do have the package already installed under its 4283 // original name... should we use it? 4284 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4285 // New package is not compatible with original. 4286 origPackage = null; 4287 continue; 4288 } else if (origPackage.sharedUser != null) { 4289 // Make sure uid is compatible between packages. 4290 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4291 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4292 + " to " + pkg.packageName + ": old uid " 4293 + origPackage.sharedUser.name 4294 + " differs from " + pkg.mSharedUserId); 4295 origPackage = null; 4296 continue; 4297 } 4298 } else { 4299 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4300 + pkg.packageName + " to old name " + origPackage.name); 4301 } 4302 break; 4303 } 4304 } 4305 } 4306 } 4307 4308 if (mTransferedPackages.contains(pkg.packageName)) { 4309 Slog.w(TAG, "Package " + pkg.packageName 4310 + " was transferred to another, but its .apk remains"); 4311 } 4312 4313 // Just create the setting, don't add it yet. For already existing packages 4314 // the PkgSetting exists already and doesn't have to be created. 4315 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4316 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4317 pkg.applicationInfo.flags, user, false); 4318 if (pkgSetting == null) { 4319 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4320 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4321 return null; 4322 } 4323 4324 if (pkgSetting.origPackage != null) { 4325 // If we are first transitioning from an original package, 4326 // fix up the new package's name now. We need to do this after 4327 // looking up the package under its new name, so getPackageLP 4328 // can take care of fiddling things correctly. 4329 pkg.setPackageName(origPackage.name); 4330 4331 // File a report about this. 4332 String msg = "New package " + pkgSetting.realName 4333 + " renamed to replace old package " + pkgSetting.name; 4334 reportSettingsProblem(Log.WARN, msg); 4335 4336 // Make a note of it. 4337 mTransferedPackages.add(origPackage.name); 4338 4339 // No longer need to retain this. 4340 pkgSetting.origPackage = null; 4341 } 4342 4343 if (realName != null) { 4344 // Make a note of it. 4345 mTransferedPackages.add(pkg.packageName); 4346 } 4347 4348 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4349 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4350 } 4351 4352 if (mFoundPolicyFile) { 4353 SELinuxMMAC.assignSeinfoValue(pkg); 4354 } 4355 4356 pkg.applicationInfo.uid = pkgSetting.appId; 4357 pkg.mExtras = pkgSetting; 4358 4359 if (!verifySignaturesLP(pkgSetting, pkg)) { 4360 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4361 return null; 4362 } 4363 // The signature has changed, but this package is in the system 4364 // image... let's recover! 4365 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4366 // However... if this package is part of a shared user, but it 4367 // doesn't match the signature of the shared user, let's fail. 4368 // What this means is that you can't change the signatures 4369 // associated with an overall shared user, which doesn't seem all 4370 // that unreasonable. 4371 if (pkgSetting.sharedUser != null) { 4372 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4373 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4374 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4375 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4376 return null; 4377 } 4378 } 4379 // File a report about this. 4380 String msg = "System package " + pkg.packageName 4381 + " signature changed; retaining data."; 4382 reportSettingsProblem(Log.WARN, msg); 4383 } 4384 4385 // Verify that this new package doesn't have any content providers 4386 // that conflict with existing packages. Only do this if the 4387 // package isn't already installed, since we don't want to break 4388 // things that are installed. 4389 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4390 final int N = pkg.providers.size(); 4391 int i; 4392 for (i=0; i<N; i++) { 4393 PackageParser.Provider p = pkg.providers.get(i); 4394 if (p.info.authority != null) { 4395 String names[] = p.info.authority.split(";"); 4396 for (int j = 0; j < names.length; j++) { 4397 if (mProvidersByAuthority.containsKey(names[j])) { 4398 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4399 Slog.w(TAG, "Can't install because provider name " + names[j] + 4400 " (in package " + pkg.applicationInfo.packageName + 4401 ") is already used by " 4402 + ((other != null && other.getComponentName() != null) 4403 ? other.getComponentName().getPackageName() : "?")); 4404 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4405 return null; 4406 } 4407 } 4408 } 4409 } 4410 } 4411 4412 if (pkg.mAdoptPermissions != null) { 4413 // This package wants to adopt ownership of permissions from 4414 // another package. 4415 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4416 final String origName = pkg.mAdoptPermissions.get(i); 4417 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4418 if (orig != null) { 4419 if (verifyPackageUpdateLPr(orig, pkg)) { 4420 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4421 + pkg.packageName); 4422 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4423 } 4424 } 4425 } 4426 } 4427 } 4428 4429 final String pkgName = pkg.packageName; 4430 4431 final long scanFileTime = scanFile.lastModified(); 4432 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4433 pkg.applicationInfo.processName = fixProcessName( 4434 pkg.applicationInfo.packageName, 4435 pkg.applicationInfo.processName, 4436 pkg.applicationInfo.uid); 4437 4438 File dataPath; 4439 if (mPlatformPackage == pkg) { 4440 // The system package is special. 4441 dataPath = new File (Environment.getDataDirectory(), "system"); 4442 pkg.applicationInfo.dataDir = dataPath.getPath(); 4443 } else { 4444 // This is a normal package, need to make its data directory. 4445 dataPath = getDataPathForPackage(pkg.packageName, 0); 4446 4447 boolean uidError = false; 4448 4449 if (dataPath.exists()) { 4450 int currentUid = 0; 4451 try { 4452 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4453 currentUid = stat.st_uid; 4454 } catch (ErrnoException e) { 4455 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4456 } 4457 4458 // If we have mismatched owners for the data path, we have a problem. 4459 if (currentUid != pkg.applicationInfo.uid) { 4460 boolean recovered = false; 4461 if (currentUid == 0) { 4462 // The directory somehow became owned by root. Wow. 4463 // This is probably because the system was stopped while 4464 // installd was in the middle of messing with its libs 4465 // directory. Ask installd to fix that. 4466 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4467 pkg.applicationInfo.uid); 4468 if (ret >= 0) { 4469 recovered = true; 4470 String msg = "Package " + pkg.packageName 4471 + " unexpectedly changed to uid 0; recovered to " + 4472 + pkg.applicationInfo.uid; 4473 reportSettingsProblem(Log.WARN, msg); 4474 } 4475 } 4476 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4477 || (scanMode&SCAN_BOOTING) != 0)) { 4478 // If this is a system app, we can at least delete its 4479 // current data so the application will still work. 4480 int ret = removeDataDirsLI(pkgName); 4481 if (ret >= 0) { 4482 // TODO: Kill the processes first 4483 // Old data gone! 4484 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4485 ? "System package " : "Third party package "; 4486 String msg = prefix + pkg.packageName 4487 + " has changed from uid: " 4488 + currentUid + " to " 4489 + pkg.applicationInfo.uid + "; old data erased"; 4490 reportSettingsProblem(Log.WARN, msg); 4491 recovered = true; 4492 4493 // And now re-install the app. 4494 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4495 pkg.applicationInfo.seinfo); 4496 if (ret == -1) { 4497 // Ack should not happen! 4498 msg = prefix + pkg.packageName 4499 + " could not have data directory re-created after delete."; 4500 reportSettingsProblem(Log.WARN, msg); 4501 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4502 return null; 4503 } 4504 } 4505 if (!recovered) { 4506 mHasSystemUidErrors = true; 4507 } 4508 } else if (!recovered) { 4509 // If we allow this install to proceed, we will be broken. 4510 // Abort, abort! 4511 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4512 return null; 4513 } 4514 if (!recovered) { 4515 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4516 + pkg.applicationInfo.uid + "/fs_" 4517 + currentUid; 4518 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4519 String msg = "Package " + pkg.packageName 4520 + " has mismatched uid: " 4521 + currentUid + " on disk, " 4522 + pkg.applicationInfo.uid + " in settings"; 4523 // writer 4524 synchronized (mPackages) { 4525 mSettings.mReadMessages.append(msg); 4526 mSettings.mReadMessages.append('\n'); 4527 uidError = true; 4528 if (!pkgSetting.uidError) { 4529 reportSettingsProblem(Log.ERROR, msg); 4530 } 4531 } 4532 } 4533 } 4534 pkg.applicationInfo.dataDir = dataPath.getPath(); 4535 } else { 4536 if (DEBUG_PACKAGE_SCANNING) { 4537 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4538 Log.v(TAG, "Want this data dir: " + dataPath); 4539 } 4540 //invoke installer to do the actual installation 4541 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4542 pkg.applicationInfo.seinfo); 4543 if (ret < 0) { 4544 // Error from installer 4545 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4546 return null; 4547 } 4548 4549 if (dataPath.exists()) { 4550 pkg.applicationInfo.dataDir = dataPath.getPath(); 4551 } else { 4552 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4553 pkg.applicationInfo.dataDir = null; 4554 } 4555 } 4556 4557 /* 4558 * Set the data dir to the default "/data/data/<package name>/lib" 4559 * if we got here without anyone telling us different (e.g., apps 4560 * stored on SD card have their native libraries stored in the ASEC 4561 * container with the APK). 4562 * 4563 * This happens during an upgrade from a package settings file that 4564 * doesn't have a native library path attribute at all. 4565 */ 4566 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4567 if (pkgSetting.nativeLibraryPathString == null) { 4568 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4569 } else { 4570 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4571 } 4572 } 4573 4574 pkgSetting.uidError = uidError; 4575 } 4576 4577 String path = scanFile.getPath(); 4578 /* Note: We don't want to unpack the native binaries for 4579 * system applications, unless they have been updated 4580 * (the binaries are already under /system/lib). 4581 * Also, don't unpack libs for apps on the external card 4582 * since they should have their libraries in the ASEC 4583 * container already. 4584 * 4585 * In other words, we're going to unpack the binaries 4586 * only for non-system apps and system app upgrades. 4587 */ 4588 if (pkg.applicationInfo.nativeLibraryDir != null) { 4589 try { 4590 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4591 final String dataPathString = dataPath.getCanonicalPath(); 4592 4593 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4594 /* 4595 * Upgrading from a previous version of the OS sometimes 4596 * leaves native libraries in the /data/data/<app>/lib 4597 * directory for system apps even when they shouldn't be. 4598 * Recent changes in the JNI library search path 4599 * necessitates we remove those to match previous behavior. 4600 */ 4601 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4602 Log.i(TAG, "removed obsolete native libraries for system package " 4603 + path); 4604 } 4605 } else { 4606 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4607 /* 4608 * Update native library dir if it starts with 4609 * /data/data 4610 */ 4611 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4612 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4613 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4614 } 4615 4616 try { 4617 if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) { 4618 Slog.e(TAG, "Unable to copy native libraries"); 4619 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4620 return null; 4621 } 4622 } catch (IOException e) { 4623 Slog.e(TAG, "Unable to copy native libraries", e); 4624 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4625 return null; 4626 } 4627 } 4628 4629 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4630 final int[] userIds = sUserManager.getUserIds(); 4631 synchronized (mInstallLock) { 4632 for (int userId : userIds) { 4633 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4634 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4635 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4636 + ")"); 4637 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4638 return null; 4639 } 4640 } 4641 } 4642 } 4643 } catch (IOException ioe) { 4644 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4645 } 4646 } 4647 pkg.mScanPath = path; 4648 4649 if ((scanMode&SCAN_NO_DEX) == 0) { 4650 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4651 == DEX_OPT_FAILED) { 4652 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4653 removeDataDirsLI(pkg.packageName); 4654 } 4655 4656 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4657 return null; 4658 } 4659 } 4660 4661 if (mFactoryTest && pkg.requestedPermissions.contains( 4662 android.Manifest.permission.FACTORY_TEST)) { 4663 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4664 } 4665 4666 ArrayList<PackageParser.Package> clientLibPkgs = null; 4667 4668 // writer 4669 synchronized (mPackages) { 4670 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4671 // Only system apps can add new shared libraries. 4672 if (pkg.libraryNames != null) { 4673 for (int i=0; i<pkg.libraryNames.size(); i++) { 4674 String name = pkg.libraryNames.get(i); 4675 boolean allowed = false; 4676 if (isUpdatedSystemApp(pkg)) { 4677 // New library entries can only be added through the 4678 // system image. This is important to get rid of a lot 4679 // of nasty edge cases: for example if we allowed a non- 4680 // system update of the app to add a library, then uninstalling 4681 // the update would make the library go away, and assumptions 4682 // we made such as through app install filtering would now 4683 // have allowed apps on the device which aren't compatible 4684 // with it. Better to just have the restriction here, be 4685 // conservative, and create many fewer cases that can negatively 4686 // impact the user experience. 4687 final PackageSetting sysPs = mSettings 4688 .getDisabledSystemPkgLPr(pkg.packageName); 4689 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4690 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4691 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4692 allowed = true; 4693 allowed = true; 4694 break; 4695 } 4696 } 4697 } 4698 } else { 4699 allowed = true; 4700 } 4701 if (allowed) { 4702 if (!mSharedLibraries.containsKey(name)) { 4703 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4704 pkg.packageName)); 4705 } else if (!name.equals(pkg.packageName)) { 4706 Slog.w(TAG, "Package " + pkg.packageName + " library " 4707 + name + " already exists; skipping"); 4708 } 4709 } else { 4710 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4711 + name + " that is not declared on system image; skipping"); 4712 } 4713 } 4714 if ((scanMode&SCAN_BOOTING) == 0) { 4715 // If we are not booting, we need to update any applications 4716 // that are clients of our shared library. If we are booting, 4717 // this will all be done once the scan is complete. 4718 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4719 } 4720 } 4721 } 4722 } 4723 4724 // We also need to dexopt any apps that are dependent on this library. Note that 4725 // if these fail, we should abort the install since installing the library will 4726 // result in some apps being broken. 4727 if (clientLibPkgs != null) { 4728 if ((scanMode&SCAN_NO_DEX) == 0) { 4729 for (int i=0; i<clientLibPkgs.size(); i++) { 4730 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4731 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4732 == DEX_OPT_FAILED) { 4733 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4734 removeDataDirsLI(pkg.packageName); 4735 } 4736 4737 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4738 return null; 4739 } 4740 } 4741 } 4742 } 4743 4744 // Request the ActivityManager to kill the process(only for existing packages) 4745 // so that we do not end up in a confused state while the user is still using the older 4746 // version of the application while the new one gets installed. 4747 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4748 // If the package lives in an asec, tell everyone that the container is going 4749 // away so they can clean up any references to its resources (which would prevent 4750 // vold from being able to unmount the asec) 4751 if (isForwardLocked(pkg) || isExternal(pkg)) { 4752 if (DEBUG_INSTALL) { 4753 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4754 } 4755 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4756 final ArrayList<String> pkgList = new ArrayList<String>(1); 4757 pkgList.add(pkg.applicationInfo.packageName); 4758 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4759 } 4760 4761 // Post the request that it be killed now that the going-away broadcast is en route 4762 killApplication(pkg.applicationInfo.packageName, 4763 pkg.applicationInfo.uid, "update pkg"); 4764 } 4765 4766 // Also need to kill any apps that are dependent on the library. 4767 if (clientLibPkgs != null) { 4768 for (int i=0; i<clientLibPkgs.size(); i++) { 4769 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4770 killApplication(clientPkg.applicationInfo.packageName, 4771 clientPkg.applicationInfo.uid, "update lib"); 4772 } 4773 } 4774 4775 // writer 4776 synchronized (mPackages) { 4777 // We don't expect installation to fail beyond this point, 4778 if ((scanMode&SCAN_MONITOR) != 0) { 4779 mAppDirs.put(pkg.mPath, pkg); 4780 } 4781 // Add the new setting to mSettings 4782 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4783 // Add the new setting to mPackages 4784 mPackages.put(pkg.applicationInfo.packageName, pkg); 4785 // Make sure we don't accidentally delete its data. 4786 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4787 while (iter.hasNext()) { 4788 PackageCleanItem item = iter.next(); 4789 if (pkgName.equals(item.packageName)) { 4790 iter.remove(); 4791 } 4792 } 4793 4794 // Take care of first install / last update times. 4795 if (currentTime != 0) { 4796 if (pkgSetting.firstInstallTime == 0) { 4797 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4798 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4799 pkgSetting.lastUpdateTime = currentTime; 4800 } 4801 } else if (pkgSetting.firstInstallTime == 0) { 4802 // We need *something*. Take time time stamp of the file. 4803 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4804 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4805 if (scanFileTime != pkgSetting.timeStamp) { 4806 // A package on the system image has changed; consider this 4807 // to be an update. 4808 pkgSetting.lastUpdateTime = scanFileTime; 4809 } 4810 } 4811 4812 // Add the package's KeySets to the global KeySetManager 4813 KeySetManager ksm = mSettings.mKeySetManager; 4814 try { 4815 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 4816 if (pkg.mKeySetMapping != null) { 4817 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 4818 if (entry.getValue() != null) { 4819 ksm.addDefinedKeySetToPackage(pkg.packageName, 4820 entry.getValue(), entry.getKey()); 4821 } 4822 } 4823 } 4824 } catch (NullPointerException e) { 4825 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 4826 } catch (IllegalArgumentException e) { 4827 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 4828 } 4829 4830 int N = pkg.providers.size(); 4831 StringBuilder r = null; 4832 int i; 4833 for (i=0; i<N; i++) { 4834 PackageParser.Provider p = pkg.providers.get(i); 4835 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 4836 p.info.processName, pkg.applicationInfo.uid); 4837 mProviders.addProvider(p); 4838 p.syncable = p.info.isSyncable; 4839 if (p.info.authority != null) { 4840 String names[] = p.info.authority.split(";"); 4841 p.info.authority = null; 4842 for (int j = 0; j < names.length; j++) { 4843 if (j == 1 && p.syncable) { 4844 // We only want the first authority for a provider to possibly be 4845 // syncable, so if we already added this provider using a different 4846 // authority clear the syncable flag. We copy the provider before 4847 // changing it because the mProviders object contains a reference 4848 // to a provider that we don't want to change. 4849 // Only do this for the second authority since the resulting provider 4850 // object can be the same for all future authorities for this provider. 4851 p = new PackageParser.Provider(p); 4852 p.syncable = false; 4853 } 4854 if (!mProvidersByAuthority.containsKey(names[j])) { 4855 mProvidersByAuthority.put(names[j], p); 4856 if (p.info.authority == null) { 4857 p.info.authority = names[j]; 4858 } else { 4859 p.info.authority = p.info.authority + ";" + names[j]; 4860 } 4861 if (DEBUG_PACKAGE_SCANNING) { 4862 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4863 Log.d(TAG, "Registered content provider: " + names[j] 4864 + ", className = " + p.info.name + ", isSyncable = " 4865 + p.info.isSyncable); 4866 } 4867 } else { 4868 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4869 Slog.w(TAG, "Skipping provider name " + names[j] + 4870 " (in package " + pkg.applicationInfo.packageName + 4871 "): name already used by " 4872 + ((other != null && other.getComponentName() != null) 4873 ? other.getComponentName().getPackageName() : "?")); 4874 } 4875 } 4876 } 4877 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4878 if (r == null) { 4879 r = new StringBuilder(256); 4880 } else { 4881 r.append(' '); 4882 } 4883 r.append(p.info.name); 4884 } 4885 } 4886 if (r != null) { 4887 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 4888 } 4889 4890 N = pkg.services.size(); 4891 r = null; 4892 for (i=0; i<N; i++) { 4893 PackageParser.Service s = pkg.services.get(i); 4894 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 4895 s.info.processName, pkg.applicationInfo.uid); 4896 mServices.addService(s); 4897 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4898 if (r == null) { 4899 r = new StringBuilder(256); 4900 } else { 4901 r.append(' '); 4902 } 4903 r.append(s.info.name); 4904 } 4905 } 4906 if (r != null) { 4907 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 4908 } 4909 4910 N = pkg.receivers.size(); 4911 r = null; 4912 for (i=0; i<N; i++) { 4913 PackageParser.Activity a = pkg.receivers.get(i); 4914 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4915 a.info.processName, pkg.applicationInfo.uid); 4916 mReceivers.addActivity(a, "receiver"); 4917 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4918 if (r == null) { 4919 r = new StringBuilder(256); 4920 } else { 4921 r.append(' '); 4922 } 4923 r.append(a.info.name); 4924 } 4925 } 4926 if (r != null) { 4927 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 4928 } 4929 4930 N = pkg.activities.size(); 4931 r = null; 4932 for (i=0; i<N; i++) { 4933 PackageParser.Activity a = pkg.activities.get(i); 4934 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4935 a.info.processName, pkg.applicationInfo.uid); 4936 mActivities.addActivity(a, "activity"); 4937 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4938 if (r == null) { 4939 r = new StringBuilder(256); 4940 } else { 4941 r.append(' '); 4942 } 4943 r.append(a.info.name); 4944 } 4945 } 4946 if (r != null) { 4947 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 4948 } 4949 4950 N = pkg.permissionGroups.size(); 4951 r = null; 4952 for (i=0; i<N; i++) { 4953 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 4954 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 4955 if (cur == null) { 4956 mPermissionGroups.put(pg.info.name, pg); 4957 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4958 if (r == null) { 4959 r = new StringBuilder(256); 4960 } else { 4961 r.append(' '); 4962 } 4963 r.append(pg.info.name); 4964 } 4965 } else { 4966 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 4967 + pg.info.packageName + " ignored: original from " 4968 + cur.info.packageName); 4969 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4970 if (r == null) { 4971 r = new StringBuilder(256); 4972 } else { 4973 r.append(' '); 4974 } 4975 r.append("DUP:"); 4976 r.append(pg.info.name); 4977 } 4978 } 4979 } 4980 if (r != null) { 4981 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 4982 } 4983 4984 N = pkg.permissions.size(); 4985 r = null; 4986 for (i=0; i<N; i++) { 4987 PackageParser.Permission p = pkg.permissions.get(i); 4988 HashMap<String, BasePermission> permissionMap = 4989 p.tree ? mSettings.mPermissionTrees 4990 : mSettings.mPermissions; 4991 p.group = mPermissionGroups.get(p.info.group); 4992 if (p.info.group == null || p.group != null) { 4993 BasePermission bp = permissionMap.get(p.info.name); 4994 if (bp == null) { 4995 bp = new BasePermission(p.info.name, p.info.packageName, 4996 BasePermission.TYPE_NORMAL); 4997 permissionMap.put(p.info.name, bp); 4998 } 4999 if (bp.perm == null) { 5000 if (bp.sourcePackage != null 5001 && !bp.sourcePackage.equals(p.info.packageName)) { 5002 // If this is a permission that was formerly defined by a non-system 5003 // app, but is now defined by a system app (following an upgrade), 5004 // discard the previous declaration and consider the system's to be 5005 // canonical. 5006 if (isSystemApp(p.owner)) { 5007 String msg = "New decl " + p.owner + " of permission " 5008 + p.info.name + " is system"; 5009 reportSettingsProblem(Log.WARN, msg); 5010 bp.sourcePackage = null; 5011 } 5012 } 5013 if (bp.sourcePackage == null 5014 || bp.sourcePackage.equals(p.info.packageName)) { 5015 BasePermission tree = findPermissionTreeLP(p.info.name); 5016 if (tree == null 5017 || tree.sourcePackage.equals(p.info.packageName)) { 5018 bp.packageSetting = pkgSetting; 5019 bp.perm = p; 5020 bp.uid = pkg.applicationInfo.uid; 5021 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5022 if (r == null) { 5023 r = new StringBuilder(256); 5024 } else { 5025 r.append(' '); 5026 } 5027 r.append(p.info.name); 5028 } 5029 } else { 5030 Slog.w(TAG, "Permission " + p.info.name + " from package " 5031 + p.info.packageName + " ignored: base tree " 5032 + tree.name + " is from package " 5033 + tree.sourcePackage); 5034 } 5035 } else { 5036 Slog.w(TAG, "Permission " + p.info.name + " from package " 5037 + p.info.packageName + " ignored: original from " 5038 + bp.sourcePackage); 5039 } 5040 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5041 if (r == null) { 5042 r = new StringBuilder(256); 5043 } else { 5044 r.append(' '); 5045 } 5046 r.append("DUP:"); 5047 r.append(p.info.name); 5048 } 5049 if (bp.perm == p) { 5050 bp.protectionLevel = p.info.protectionLevel; 5051 } 5052 } else { 5053 Slog.w(TAG, "Permission " + p.info.name + " from package " 5054 + p.info.packageName + " ignored: no group " 5055 + p.group); 5056 } 5057 } 5058 if (r != null) { 5059 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5060 } 5061 5062 N = pkg.instrumentation.size(); 5063 r = null; 5064 for (i=0; i<N; i++) { 5065 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5066 a.info.packageName = pkg.applicationInfo.packageName; 5067 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5068 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5069 a.info.dataDir = pkg.applicationInfo.dataDir; 5070 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5071 mInstrumentation.put(a.getComponentName(), a); 5072 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5073 if (r == null) { 5074 r = new StringBuilder(256); 5075 } else { 5076 r.append(' '); 5077 } 5078 r.append(a.info.name); 5079 } 5080 } 5081 if (r != null) { 5082 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5083 } 5084 5085 if (pkg.protectedBroadcasts != null) { 5086 N = pkg.protectedBroadcasts.size(); 5087 for (i=0; i<N; i++) { 5088 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5089 } 5090 } 5091 5092 pkgSetting.setTimeStamp(scanFileTime); 5093 } 5094 5095 return pkg; 5096 } 5097 5098 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5099 synchronized (mPackages) { 5100 mResolverReplaced = true; 5101 // Set up information for custom user intent resolution activity. 5102 mResolveActivity.applicationInfo = pkg.applicationInfo; 5103 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5104 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5105 mResolveActivity.processName = null; 5106 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5107 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5108 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5109 mResolveActivity.theme = 0; 5110 mResolveActivity.exported = true; 5111 mResolveActivity.enabled = true; 5112 mResolveInfo.activityInfo = mResolveActivity; 5113 mResolveInfo.priority = 0; 5114 mResolveInfo.preferredOrder = 0; 5115 mResolveInfo.match = 0; 5116 mResolveComponentName = mCustomResolverComponentName; 5117 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5118 mResolveComponentName); 5119 } 5120 } 5121 5122 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5123 PackageSetting pkgSetting) { 5124 final String apkLibPath = getApkName(pkgSetting.codePathString); 5125 final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath(); 5126 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5127 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5128 } 5129 5130 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5131 throws IOException { 5132 if (!nativeLibraryDir.isDirectory()) { 5133 nativeLibraryDir.delete(); 5134 5135 if (!nativeLibraryDir.mkdir()) { 5136 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5137 } 5138 5139 try { 5140 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5141 | S_IXOTH); 5142 } catch (ErrnoException e) { 5143 throw new IOException("Cannot chmod native library directory " 5144 + nativeLibraryDir.getPath(), e); 5145 } 5146 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5147 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5148 } 5149 5150 /* 5151 * If this is an internal application or our nativeLibraryPath points to 5152 * the app-lib directory, unpack the libraries if necessary. 5153 */ 5154 return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 5155 } 5156 5157 private void killApplication(String pkgName, int appId, String reason) { 5158 // Request the ActivityManager to kill the process(only for existing packages) 5159 // so that we do not end up in a confused state while the user is still using the older 5160 // version of the application while the new one gets installed. 5161 IActivityManager am = ActivityManagerNative.getDefault(); 5162 if (am != null) { 5163 try { 5164 am.killApplicationWithAppId(pkgName, appId, reason); 5165 } catch (RemoteException e) { 5166 } 5167 } 5168 } 5169 5170 void removePackageLI(PackageSetting ps, boolean chatty) { 5171 if (DEBUG_INSTALL) { 5172 if (chatty) 5173 Log.d(TAG, "Removing package " + ps.name); 5174 } 5175 5176 // writer 5177 synchronized (mPackages) { 5178 mPackages.remove(ps.name); 5179 if (ps.codePathString != null) { 5180 mAppDirs.remove(ps.codePathString); 5181 } 5182 5183 final PackageParser.Package pkg = ps.pkg; 5184 if (pkg != null) { 5185 cleanPackageDataStructuresLILPw(pkg, chatty); 5186 } 5187 } 5188 } 5189 5190 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5191 if (DEBUG_INSTALL) { 5192 if (chatty) 5193 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5194 } 5195 5196 // writer 5197 synchronized (mPackages) { 5198 mPackages.remove(pkg.applicationInfo.packageName); 5199 if (pkg.mPath != null) { 5200 mAppDirs.remove(pkg.mPath); 5201 } 5202 cleanPackageDataStructuresLILPw(pkg, chatty); 5203 } 5204 } 5205 5206 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5207 int N = pkg.providers.size(); 5208 StringBuilder r = null; 5209 int i; 5210 for (i=0; i<N; i++) { 5211 PackageParser.Provider p = pkg.providers.get(i); 5212 mProviders.removeProvider(p); 5213 if (p.info.authority == null) { 5214 5215 /* There was another ContentProvider with this authority when 5216 * this app was installed so this authority is null, 5217 * Ignore it as we don't have to unregister the provider. 5218 */ 5219 continue; 5220 } 5221 String names[] = p.info.authority.split(";"); 5222 for (int j = 0; j < names.length; j++) { 5223 if (mProvidersByAuthority.get(names[j]) == p) { 5224 mProvidersByAuthority.remove(names[j]); 5225 if (DEBUG_REMOVE) { 5226 if (chatty) 5227 Log.d(TAG, "Unregistered content provider: " + names[j] 5228 + ", className = " + p.info.name + ", isSyncable = " 5229 + p.info.isSyncable); 5230 } 5231 } 5232 } 5233 if (DEBUG_REMOVE && chatty) { 5234 if (r == null) { 5235 r = new StringBuilder(256); 5236 } else { 5237 r.append(' '); 5238 } 5239 r.append(p.info.name); 5240 } 5241 } 5242 if (r != null) { 5243 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5244 } 5245 5246 N = pkg.services.size(); 5247 r = null; 5248 for (i=0; i<N; i++) { 5249 PackageParser.Service s = pkg.services.get(i); 5250 mServices.removeService(s); 5251 if (chatty) { 5252 if (r == null) { 5253 r = new StringBuilder(256); 5254 } else { 5255 r.append(' '); 5256 } 5257 r.append(s.info.name); 5258 } 5259 } 5260 if (r != null) { 5261 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5262 } 5263 5264 N = pkg.receivers.size(); 5265 r = null; 5266 for (i=0; i<N; i++) { 5267 PackageParser.Activity a = pkg.receivers.get(i); 5268 mReceivers.removeActivity(a, "receiver"); 5269 if (DEBUG_REMOVE && chatty) { 5270 if (r == null) { 5271 r = new StringBuilder(256); 5272 } else { 5273 r.append(' '); 5274 } 5275 r.append(a.info.name); 5276 } 5277 } 5278 if (r != null) { 5279 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5280 } 5281 5282 N = pkg.activities.size(); 5283 r = null; 5284 for (i=0; i<N; i++) { 5285 PackageParser.Activity a = pkg.activities.get(i); 5286 mActivities.removeActivity(a, "activity"); 5287 if (DEBUG_REMOVE && chatty) { 5288 if (r == null) { 5289 r = new StringBuilder(256); 5290 } else { 5291 r.append(' '); 5292 } 5293 r.append(a.info.name); 5294 } 5295 } 5296 if (r != null) { 5297 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5298 } 5299 5300 N = pkg.permissions.size(); 5301 r = null; 5302 for (i=0; i<N; i++) { 5303 PackageParser.Permission p = pkg.permissions.get(i); 5304 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5305 if (bp == null) { 5306 bp = mSettings.mPermissionTrees.get(p.info.name); 5307 } 5308 if (bp != null && bp.perm == p) { 5309 bp.perm = null; 5310 if (DEBUG_REMOVE && chatty) { 5311 if (r == null) { 5312 r = new StringBuilder(256); 5313 } else { 5314 r.append(' '); 5315 } 5316 r.append(p.info.name); 5317 } 5318 } 5319 } 5320 if (r != null) { 5321 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5322 } 5323 5324 N = pkg.instrumentation.size(); 5325 r = null; 5326 for (i=0; i<N; i++) { 5327 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5328 mInstrumentation.remove(a.getComponentName()); 5329 if (DEBUG_REMOVE && chatty) { 5330 if (r == null) { 5331 r = new StringBuilder(256); 5332 } else { 5333 r.append(' '); 5334 } 5335 r.append(a.info.name); 5336 } 5337 } 5338 if (r != null) { 5339 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5340 } 5341 5342 r = null; 5343 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5344 // Only system apps can hold shared libraries. 5345 if (pkg.libraryNames != null) { 5346 for (i=0; i<pkg.libraryNames.size(); i++) { 5347 String name = pkg.libraryNames.get(i); 5348 SharedLibraryEntry cur = mSharedLibraries.get(name); 5349 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5350 mSharedLibraries.remove(name); 5351 if (DEBUG_REMOVE && chatty) { 5352 if (r == null) { 5353 r = new StringBuilder(256); 5354 } else { 5355 r.append(' '); 5356 } 5357 r.append(name); 5358 } 5359 } 5360 } 5361 } 5362 } 5363 if (r != null) { 5364 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5365 } 5366 } 5367 5368 private static final boolean isPackageFilename(String name) { 5369 return name != null && name.endsWith(".apk"); 5370 } 5371 5372 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5373 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5374 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5375 return true; 5376 } 5377 } 5378 return false; 5379 } 5380 5381 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5382 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5383 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5384 5385 private void updatePermissionsLPw(String changingPkg, 5386 PackageParser.Package pkgInfo, int flags) { 5387 // Make sure there are no dangling permission trees. 5388 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5389 while (it.hasNext()) { 5390 final BasePermission bp = it.next(); 5391 if (bp.packageSetting == null) { 5392 // We may not yet have parsed the package, so just see if 5393 // we still know about its settings. 5394 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5395 } 5396 if (bp.packageSetting == null) { 5397 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5398 + " from package " + bp.sourcePackage); 5399 it.remove(); 5400 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5401 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5402 Slog.i(TAG, "Removing old permission tree: " + bp.name 5403 + " from package " + bp.sourcePackage); 5404 flags |= UPDATE_PERMISSIONS_ALL; 5405 it.remove(); 5406 } 5407 } 5408 } 5409 5410 // Make sure all dynamic permissions have been assigned to a package, 5411 // and make sure there are no dangling permissions. 5412 it = mSettings.mPermissions.values().iterator(); 5413 while (it.hasNext()) { 5414 final BasePermission bp = it.next(); 5415 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5416 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5417 + bp.name + " pkg=" + bp.sourcePackage 5418 + " info=" + bp.pendingInfo); 5419 if (bp.packageSetting == null && bp.pendingInfo != null) { 5420 final BasePermission tree = findPermissionTreeLP(bp.name); 5421 if (tree != null && tree.perm != null) { 5422 bp.packageSetting = tree.packageSetting; 5423 bp.perm = new PackageParser.Permission(tree.perm.owner, 5424 new PermissionInfo(bp.pendingInfo)); 5425 bp.perm.info.packageName = tree.perm.info.packageName; 5426 bp.perm.info.name = bp.name; 5427 bp.uid = tree.uid; 5428 } 5429 } 5430 } 5431 if (bp.packageSetting == null) { 5432 // We may not yet have parsed the package, so just see if 5433 // we still know about its settings. 5434 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5435 } 5436 if (bp.packageSetting == null) { 5437 Slog.w(TAG, "Removing dangling permission: " + bp.name 5438 + " from package " + bp.sourcePackage); 5439 it.remove(); 5440 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5441 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5442 Slog.i(TAG, "Removing old permission: " + bp.name 5443 + " from package " + bp.sourcePackage); 5444 flags |= UPDATE_PERMISSIONS_ALL; 5445 it.remove(); 5446 } 5447 } 5448 } 5449 5450 // Now update the permissions for all packages, in particular 5451 // replace the granted permissions of the system packages. 5452 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5453 for (PackageParser.Package pkg : mPackages.values()) { 5454 if (pkg != pkgInfo) { 5455 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5456 } 5457 } 5458 } 5459 5460 if (pkgInfo != null) { 5461 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5462 } 5463 } 5464 5465 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5466 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5467 if (ps == null) { 5468 return; 5469 } 5470 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5471 HashSet<String> origPermissions = gp.grantedPermissions; 5472 boolean changedPermission = false; 5473 5474 if (replace) { 5475 ps.permissionsFixed = false; 5476 if (gp == ps) { 5477 origPermissions = new HashSet<String>(gp.grantedPermissions); 5478 gp.grantedPermissions.clear(); 5479 gp.gids = mGlobalGids; 5480 } 5481 } 5482 5483 if (gp.gids == null) { 5484 gp.gids = mGlobalGids; 5485 } 5486 5487 final int N = pkg.requestedPermissions.size(); 5488 for (int i=0; i<N; i++) { 5489 final String name = pkg.requestedPermissions.get(i); 5490 final boolean required = pkg.requestedPermissionsRequired.get(i); 5491 final BasePermission bp = mSettings.mPermissions.get(name); 5492 if (DEBUG_INSTALL) { 5493 if (gp != ps) { 5494 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5495 } 5496 } 5497 5498 if (bp == null || bp.packageSetting == null) { 5499 Slog.w(TAG, "Unknown permission " + name 5500 + " in package " + pkg.packageName); 5501 continue; 5502 } 5503 5504 final String perm = bp.name; 5505 boolean allowed; 5506 boolean allowedSig = false; 5507 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5508 if (level == PermissionInfo.PROTECTION_NORMAL 5509 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5510 // We grant a normal or dangerous permission if any of the following 5511 // are true: 5512 // 1) The permission is required 5513 // 2) The permission is optional, but was granted in the past 5514 // 3) The permission is optional, but was requested by an 5515 // app in /system (not /data) 5516 // 5517 // Otherwise, reject the permission. 5518 allowed = (required || origPermissions.contains(perm) 5519 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5520 } else if (bp.packageSetting == null) { 5521 // This permission is invalid; skip it. 5522 allowed = false; 5523 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5524 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5525 if (allowed) { 5526 allowedSig = true; 5527 } 5528 } else { 5529 allowed = false; 5530 } 5531 if (DEBUG_INSTALL) { 5532 if (gp != ps) { 5533 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5534 } 5535 } 5536 if (allowed) { 5537 if (!isSystemApp(ps) && ps.permissionsFixed) { 5538 // If this is an existing, non-system package, then 5539 // we can't add any new permissions to it. 5540 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5541 // Except... if this is a permission that was added 5542 // to the platform (note: need to only do this when 5543 // updating the platform). 5544 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5545 } 5546 } 5547 if (allowed) { 5548 if (!gp.grantedPermissions.contains(perm)) { 5549 changedPermission = true; 5550 gp.grantedPermissions.add(perm); 5551 gp.gids = appendInts(gp.gids, bp.gids); 5552 } else if (!ps.haveGids) { 5553 gp.gids = appendInts(gp.gids, bp.gids); 5554 } 5555 } else { 5556 Slog.w(TAG, "Not granting permission " + perm 5557 + " to package " + pkg.packageName 5558 + " because it was previously installed without"); 5559 } 5560 } else { 5561 if (gp.grantedPermissions.remove(perm)) { 5562 changedPermission = true; 5563 gp.gids = removeInts(gp.gids, bp.gids); 5564 Slog.i(TAG, "Un-granting permission " + perm 5565 + " from package " + pkg.packageName 5566 + " (protectionLevel=" + bp.protectionLevel 5567 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5568 + ")"); 5569 } else { 5570 Slog.w(TAG, "Not granting permission " + perm 5571 + " to package " + pkg.packageName 5572 + " (protectionLevel=" + bp.protectionLevel 5573 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5574 + ")"); 5575 } 5576 } 5577 } 5578 5579 if ((changedPermission || replace) && !ps.permissionsFixed && 5580 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5581 // This is the first that we have heard about this package, so the 5582 // permissions we have now selected are fixed until explicitly 5583 // changed. 5584 ps.permissionsFixed = true; 5585 } 5586 ps.haveGids = true; 5587 } 5588 5589 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5590 boolean allowed = false; 5591 final int NP = PackageParser.NEW_PERMISSIONS.length; 5592 for (int ip=0; ip<NP; ip++) { 5593 final PackageParser.NewPermissionInfo npi 5594 = PackageParser.NEW_PERMISSIONS[ip]; 5595 if (npi.name.equals(perm) 5596 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5597 allowed = true; 5598 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5599 + pkg.packageName); 5600 break; 5601 } 5602 } 5603 return allowed; 5604 } 5605 5606 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5607 BasePermission bp, HashSet<String> origPermissions) { 5608 boolean allowed; 5609 allowed = (compareSignatures( 5610 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5611 == PackageManager.SIGNATURE_MATCH) 5612 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5613 == PackageManager.SIGNATURE_MATCH); 5614 if (!allowed && (bp.protectionLevel 5615 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5616 if (isSystemApp(pkg)) { 5617 // For updated system applications, a system permission 5618 // is granted only if it had been defined by the original application. 5619 if (isUpdatedSystemApp(pkg)) { 5620 final PackageSetting sysPs = mSettings 5621 .getDisabledSystemPkgLPr(pkg.packageName); 5622 final GrantedPermissions origGp = sysPs.sharedUser != null 5623 ? sysPs.sharedUser : sysPs; 5624 5625 if (origGp.grantedPermissions.contains(perm)) { 5626 // If the original was granted this permission, we take 5627 // that grant decision as read and propagate it to the 5628 // update. 5629 allowed = true; 5630 } else { 5631 // The system apk may have been updated with an older 5632 // version of the one on the data partition, but which 5633 // granted a new system permission that it didn't have 5634 // before. In this case we do want to allow the app to 5635 // now get the new permission if the ancestral apk is 5636 // privileged to get it. 5637 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5638 for (int j=0; 5639 j<sysPs.pkg.requestedPermissions.size(); j++) { 5640 if (perm.equals( 5641 sysPs.pkg.requestedPermissions.get(j))) { 5642 allowed = true; 5643 break; 5644 } 5645 } 5646 } 5647 } 5648 } else { 5649 allowed = isPrivilegedApp(pkg); 5650 } 5651 } 5652 } 5653 if (!allowed && (bp.protectionLevel 5654 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5655 // For development permissions, a development permission 5656 // is granted only if it was already granted. 5657 allowed = origPermissions.contains(perm); 5658 } 5659 return allowed; 5660 } 5661 5662 final class ActivityIntentResolver 5663 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5664 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5665 boolean defaultOnly, int userId) { 5666 if (!sUserManager.exists(userId)) return null; 5667 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5668 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5669 } 5670 5671 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5672 int userId) { 5673 if (!sUserManager.exists(userId)) return null; 5674 mFlags = flags; 5675 return super.queryIntent(intent, resolvedType, 5676 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5677 } 5678 5679 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5680 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5681 if (!sUserManager.exists(userId)) return null; 5682 if (packageActivities == null) { 5683 return null; 5684 } 5685 mFlags = flags; 5686 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5687 final int N = packageActivities.size(); 5688 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5689 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5690 5691 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5692 for (int i = 0; i < N; ++i) { 5693 intentFilters = packageActivities.get(i).intents; 5694 if (intentFilters != null && intentFilters.size() > 0) { 5695 PackageParser.ActivityIntentInfo[] array = 5696 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5697 intentFilters.toArray(array); 5698 listCut.add(array); 5699 } 5700 } 5701 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5702 } 5703 5704 public final void addActivity(PackageParser.Activity a, String type) { 5705 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5706 mActivities.put(a.getComponentName(), a); 5707 if (DEBUG_SHOW_INFO) 5708 Log.v( 5709 TAG, " " + type + " " + 5710 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5711 if (DEBUG_SHOW_INFO) 5712 Log.v(TAG, " Class=" + a.info.name); 5713 final int NI = a.intents.size(); 5714 for (int j=0; j<NI; j++) { 5715 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5716 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5717 intent.setPriority(0); 5718 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5719 + a.className + " with priority > 0, forcing to 0"); 5720 } 5721 if (DEBUG_SHOW_INFO) { 5722 Log.v(TAG, " IntentFilter:"); 5723 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5724 } 5725 if (!intent.debugCheck()) { 5726 Log.w(TAG, "==> For Activity " + a.info.name); 5727 } 5728 addFilter(intent); 5729 } 5730 } 5731 5732 public final void removeActivity(PackageParser.Activity a, String type) { 5733 mActivities.remove(a.getComponentName()); 5734 if (DEBUG_SHOW_INFO) { 5735 Log.v(TAG, " " + type + " " 5736 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5737 : a.info.name) + ":"); 5738 Log.v(TAG, " Class=" + a.info.name); 5739 } 5740 final int NI = a.intents.size(); 5741 for (int j=0; j<NI; j++) { 5742 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5743 if (DEBUG_SHOW_INFO) { 5744 Log.v(TAG, " IntentFilter:"); 5745 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5746 } 5747 removeFilter(intent); 5748 } 5749 } 5750 5751 @Override 5752 protected boolean allowFilterResult( 5753 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5754 ActivityInfo filterAi = filter.activity.info; 5755 for (int i=dest.size()-1; i>=0; i--) { 5756 ActivityInfo destAi = dest.get(i).activityInfo; 5757 if (destAi.name == filterAi.name 5758 && destAi.packageName == filterAi.packageName) { 5759 return false; 5760 } 5761 } 5762 return true; 5763 } 5764 5765 @Override 5766 protected ActivityIntentInfo[] newArray(int size) { 5767 return new ActivityIntentInfo[size]; 5768 } 5769 5770 @Override 5771 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5772 if (!sUserManager.exists(userId)) return true; 5773 PackageParser.Package p = filter.activity.owner; 5774 if (p != null) { 5775 PackageSetting ps = (PackageSetting)p.mExtras; 5776 if (ps != null) { 5777 // System apps are never considered stopped for purposes of 5778 // filtering, because there may be no way for the user to 5779 // actually re-launch them. 5780 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 5781 && ps.getStopped(userId); 5782 } 5783 } 5784 return false; 5785 } 5786 5787 @Override 5788 protected boolean isPackageForFilter(String packageName, 5789 PackageParser.ActivityIntentInfo info) { 5790 return packageName.equals(info.activity.owner.packageName); 5791 } 5792 5793 @Override 5794 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 5795 int match, int userId) { 5796 if (!sUserManager.exists(userId)) return null; 5797 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 5798 return null; 5799 } 5800 final PackageParser.Activity activity = info.activity; 5801 if (mSafeMode && (activity.info.applicationInfo.flags 5802 &ApplicationInfo.FLAG_SYSTEM) == 0) { 5803 return null; 5804 } 5805 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 5806 if (ps == null) { 5807 return null; 5808 } 5809 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 5810 ps.readUserState(userId), userId); 5811 if (ai == null) { 5812 return null; 5813 } 5814 final ResolveInfo res = new ResolveInfo(); 5815 res.activityInfo = ai; 5816 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 5817 res.filter = info; 5818 } 5819 res.priority = info.getPriority(); 5820 res.preferredOrder = activity.owner.mPreferredOrder; 5821 //System.out.println("Result: " + res.activityInfo.className + 5822 // " = " + res.priority); 5823 res.match = match; 5824 res.isDefault = info.hasDefault; 5825 res.labelRes = info.labelRes; 5826 res.nonLocalizedLabel = info.nonLocalizedLabel; 5827 res.icon = info.icon; 5828 res.system = isSystemApp(res.activityInfo.applicationInfo); 5829 return res; 5830 } 5831 5832 @Override 5833 protected void sortResults(List<ResolveInfo> results) { 5834 Collections.sort(results, mResolvePrioritySorter); 5835 } 5836 5837 @Override 5838 protected void dumpFilter(PrintWriter out, String prefix, 5839 PackageParser.ActivityIntentInfo filter) { 5840 out.print(prefix); out.print( 5841 Integer.toHexString(System.identityHashCode(filter.activity))); 5842 out.print(' '); 5843 filter.activity.printComponentShortName(out); 5844 out.print(" filter "); 5845 out.println(Integer.toHexString(System.identityHashCode(filter))); 5846 } 5847 5848// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 5849// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 5850// final List<ResolveInfo> retList = Lists.newArrayList(); 5851// while (i.hasNext()) { 5852// final ResolveInfo resolveInfo = i.next(); 5853// if (isEnabledLP(resolveInfo.activityInfo)) { 5854// retList.add(resolveInfo); 5855// } 5856// } 5857// return retList; 5858// } 5859 5860 // Keys are String (activity class name), values are Activity. 5861 private final HashMap<ComponentName, PackageParser.Activity> mActivities 5862 = new HashMap<ComponentName, PackageParser.Activity>(); 5863 private int mFlags; 5864 } 5865 5866 private final class ServiceIntentResolver 5867 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 5868 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5869 boolean defaultOnly, int userId) { 5870 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5871 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5872 } 5873 5874 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5875 int userId) { 5876 if (!sUserManager.exists(userId)) return null; 5877 mFlags = flags; 5878 return super.queryIntent(intent, resolvedType, 5879 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5880 } 5881 5882 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5883 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 5884 if (!sUserManager.exists(userId)) return null; 5885 if (packageServices == null) { 5886 return null; 5887 } 5888 mFlags = flags; 5889 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5890 final int N = packageServices.size(); 5891 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 5892 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 5893 5894 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 5895 for (int i = 0; i < N; ++i) { 5896 intentFilters = packageServices.get(i).intents; 5897 if (intentFilters != null && intentFilters.size() > 0) { 5898 PackageParser.ServiceIntentInfo[] array = 5899 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 5900 intentFilters.toArray(array); 5901 listCut.add(array); 5902 } 5903 } 5904 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5905 } 5906 5907 public final void addService(PackageParser.Service s) { 5908 mServices.put(s.getComponentName(), s); 5909 if (DEBUG_SHOW_INFO) { 5910 Log.v(TAG, " " 5911 + (s.info.nonLocalizedLabel != null 5912 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5913 Log.v(TAG, " Class=" + s.info.name); 5914 } 5915 final int NI = s.intents.size(); 5916 int j; 5917 for (j=0; j<NI; j++) { 5918 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5919 if (DEBUG_SHOW_INFO) { 5920 Log.v(TAG, " IntentFilter:"); 5921 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5922 } 5923 if (!intent.debugCheck()) { 5924 Log.w(TAG, "==> For Service " + s.info.name); 5925 } 5926 addFilter(intent); 5927 } 5928 } 5929 5930 public final void removeService(PackageParser.Service s) { 5931 mServices.remove(s.getComponentName()); 5932 if (DEBUG_SHOW_INFO) { 5933 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 5934 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5935 Log.v(TAG, " Class=" + s.info.name); 5936 } 5937 final int NI = s.intents.size(); 5938 int j; 5939 for (j=0; j<NI; j++) { 5940 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5941 if (DEBUG_SHOW_INFO) { 5942 Log.v(TAG, " IntentFilter:"); 5943 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5944 } 5945 removeFilter(intent); 5946 } 5947 } 5948 5949 @Override 5950 protected boolean allowFilterResult( 5951 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 5952 ServiceInfo filterSi = filter.service.info; 5953 for (int i=dest.size()-1; i>=0; i--) { 5954 ServiceInfo destAi = dest.get(i).serviceInfo; 5955 if (destAi.name == filterSi.name 5956 && destAi.packageName == filterSi.packageName) { 5957 return false; 5958 } 5959 } 5960 return true; 5961 } 5962 5963 @Override 5964 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 5965 return new PackageParser.ServiceIntentInfo[size]; 5966 } 5967 5968 @Override 5969 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 5970 if (!sUserManager.exists(userId)) return true; 5971 PackageParser.Package p = filter.service.owner; 5972 if (p != null) { 5973 PackageSetting ps = (PackageSetting)p.mExtras; 5974 if (ps != null) { 5975 // System apps are never considered stopped for purposes of 5976 // filtering, because there may be no way for the user to 5977 // actually re-launch them. 5978 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 5979 && ps.getStopped(userId); 5980 } 5981 } 5982 return false; 5983 } 5984 5985 @Override 5986 protected boolean isPackageForFilter(String packageName, 5987 PackageParser.ServiceIntentInfo info) { 5988 return packageName.equals(info.service.owner.packageName); 5989 } 5990 5991 @Override 5992 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 5993 int match, int userId) { 5994 if (!sUserManager.exists(userId)) return null; 5995 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 5996 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 5997 return null; 5998 } 5999 final PackageParser.Service service = info.service; 6000 if (mSafeMode && (service.info.applicationInfo.flags 6001 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6002 return null; 6003 } 6004 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6005 if (ps == null) { 6006 return null; 6007 } 6008 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6009 ps.readUserState(userId), userId); 6010 if (si == null) { 6011 return null; 6012 } 6013 final ResolveInfo res = new ResolveInfo(); 6014 res.serviceInfo = si; 6015 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6016 res.filter = filter; 6017 } 6018 res.priority = info.getPriority(); 6019 res.preferredOrder = service.owner.mPreferredOrder; 6020 //System.out.println("Result: " + res.activityInfo.className + 6021 // " = " + res.priority); 6022 res.match = match; 6023 res.isDefault = info.hasDefault; 6024 res.labelRes = info.labelRes; 6025 res.nonLocalizedLabel = info.nonLocalizedLabel; 6026 res.icon = info.icon; 6027 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6028 return res; 6029 } 6030 6031 @Override 6032 protected void sortResults(List<ResolveInfo> results) { 6033 Collections.sort(results, mResolvePrioritySorter); 6034 } 6035 6036 @Override 6037 protected void dumpFilter(PrintWriter out, String prefix, 6038 PackageParser.ServiceIntentInfo filter) { 6039 out.print(prefix); out.print( 6040 Integer.toHexString(System.identityHashCode(filter.service))); 6041 out.print(' '); 6042 filter.service.printComponentShortName(out); 6043 out.print(" filter "); 6044 out.println(Integer.toHexString(System.identityHashCode(filter))); 6045 } 6046 6047// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6048// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6049// final List<ResolveInfo> retList = Lists.newArrayList(); 6050// while (i.hasNext()) { 6051// final ResolveInfo resolveInfo = (ResolveInfo) i; 6052// if (isEnabledLP(resolveInfo.serviceInfo)) { 6053// retList.add(resolveInfo); 6054// } 6055// } 6056// return retList; 6057// } 6058 6059 // Keys are String (activity class name), values are Activity. 6060 private final HashMap<ComponentName, PackageParser.Service> mServices 6061 = new HashMap<ComponentName, PackageParser.Service>(); 6062 private int mFlags; 6063 }; 6064 6065 private final class ProviderIntentResolver 6066 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6067 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6068 boolean defaultOnly, int userId) { 6069 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6070 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6071 } 6072 6073 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6074 int userId) { 6075 if (!sUserManager.exists(userId)) 6076 return null; 6077 mFlags = flags; 6078 return super.queryIntent(intent, resolvedType, 6079 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6080 } 6081 6082 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6083 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6084 if (!sUserManager.exists(userId)) 6085 return null; 6086 if (packageProviders == null) { 6087 return null; 6088 } 6089 mFlags = flags; 6090 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6091 final int N = packageProviders.size(); 6092 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6093 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6094 6095 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6096 for (int i = 0; i < N; ++i) { 6097 intentFilters = packageProviders.get(i).intents; 6098 if (intentFilters != null && intentFilters.size() > 0) { 6099 PackageParser.ProviderIntentInfo[] array = 6100 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6101 intentFilters.toArray(array); 6102 listCut.add(array); 6103 } 6104 } 6105 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6106 } 6107 6108 public final void addProvider(PackageParser.Provider p) { 6109 mProviders.put(p.getComponentName(), p); 6110 if (DEBUG_SHOW_INFO) { 6111 Log.v(TAG, " " 6112 + (p.info.nonLocalizedLabel != null 6113 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6114 Log.v(TAG, " Class=" + p.info.name); 6115 } 6116 final int NI = p.intents.size(); 6117 int j; 6118 for (j = 0; j < NI; j++) { 6119 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6120 if (DEBUG_SHOW_INFO) { 6121 Log.v(TAG, " IntentFilter:"); 6122 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6123 } 6124 if (!intent.debugCheck()) { 6125 Log.w(TAG, "==> For Provider " + p.info.name); 6126 } 6127 addFilter(intent); 6128 } 6129 } 6130 6131 public final void removeProvider(PackageParser.Provider p) { 6132 mProviders.remove(p.getComponentName()); 6133 if (DEBUG_SHOW_INFO) { 6134 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6135 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6136 Log.v(TAG, " Class=" + p.info.name); 6137 } 6138 final int NI = p.intents.size(); 6139 int j; 6140 for (j = 0; j < NI; j++) { 6141 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6142 if (DEBUG_SHOW_INFO) { 6143 Log.v(TAG, " IntentFilter:"); 6144 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6145 } 6146 removeFilter(intent); 6147 } 6148 } 6149 6150 @Override 6151 protected boolean allowFilterResult( 6152 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6153 ProviderInfo filterPi = filter.provider.info; 6154 for (int i = dest.size() - 1; i >= 0; i--) { 6155 ProviderInfo destPi = dest.get(i).providerInfo; 6156 if (destPi.name == filterPi.name 6157 && destPi.packageName == filterPi.packageName) { 6158 return false; 6159 } 6160 } 6161 return true; 6162 } 6163 6164 @Override 6165 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6166 return new PackageParser.ProviderIntentInfo[size]; 6167 } 6168 6169 @Override 6170 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6171 if (!sUserManager.exists(userId)) 6172 return true; 6173 PackageParser.Package p = filter.provider.owner; 6174 if (p != null) { 6175 PackageSetting ps = (PackageSetting) p.mExtras; 6176 if (ps != null) { 6177 // System apps are never considered stopped for purposes of 6178 // filtering, because there may be no way for the user to 6179 // actually re-launch them. 6180 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6181 && ps.getStopped(userId); 6182 } 6183 } 6184 return false; 6185 } 6186 6187 @Override 6188 protected boolean isPackageForFilter(String packageName, 6189 PackageParser.ProviderIntentInfo info) { 6190 return packageName.equals(info.provider.owner.packageName); 6191 } 6192 6193 @Override 6194 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6195 int match, int userId) { 6196 if (!sUserManager.exists(userId)) 6197 return null; 6198 final PackageParser.ProviderIntentInfo info = filter; 6199 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6200 return null; 6201 } 6202 final PackageParser.Provider provider = info.provider; 6203 if (mSafeMode && (provider.info.applicationInfo.flags 6204 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6205 return null; 6206 } 6207 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6208 if (ps == null) { 6209 return null; 6210 } 6211 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6212 ps.readUserState(userId), userId); 6213 if (pi == null) { 6214 return null; 6215 } 6216 final ResolveInfo res = new ResolveInfo(); 6217 res.providerInfo = pi; 6218 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6219 res.filter = filter; 6220 } 6221 res.priority = info.getPriority(); 6222 res.preferredOrder = provider.owner.mPreferredOrder; 6223 res.match = match; 6224 res.isDefault = info.hasDefault; 6225 res.labelRes = info.labelRes; 6226 res.nonLocalizedLabel = info.nonLocalizedLabel; 6227 res.icon = info.icon; 6228 res.system = isSystemApp(res.providerInfo.applicationInfo); 6229 return res; 6230 } 6231 6232 @Override 6233 protected void sortResults(List<ResolveInfo> results) { 6234 Collections.sort(results, mResolvePrioritySorter); 6235 } 6236 6237 @Override 6238 protected void dumpFilter(PrintWriter out, String prefix, 6239 PackageParser.ProviderIntentInfo filter) { 6240 out.print(prefix); 6241 out.print( 6242 Integer.toHexString(System.identityHashCode(filter.provider))); 6243 out.print(' '); 6244 filter.provider.printComponentShortName(out); 6245 out.print(" filter "); 6246 out.println(Integer.toHexString(System.identityHashCode(filter))); 6247 } 6248 6249 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6250 = new HashMap<ComponentName, PackageParser.Provider>(); 6251 private int mFlags; 6252 }; 6253 6254 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6255 new Comparator<ResolveInfo>() { 6256 public int compare(ResolveInfo r1, ResolveInfo r2) { 6257 int v1 = r1.priority; 6258 int v2 = r2.priority; 6259 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6260 if (v1 != v2) { 6261 return (v1 > v2) ? -1 : 1; 6262 } 6263 v1 = r1.preferredOrder; 6264 v2 = r2.preferredOrder; 6265 if (v1 != v2) { 6266 return (v1 > v2) ? -1 : 1; 6267 } 6268 if (r1.isDefault != r2.isDefault) { 6269 return r1.isDefault ? -1 : 1; 6270 } 6271 v1 = r1.match; 6272 v2 = r2.match; 6273 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6274 if (v1 != v2) { 6275 return (v1 > v2) ? -1 : 1; 6276 } 6277 if (r1.system != r2.system) { 6278 return r1.system ? -1 : 1; 6279 } 6280 return 0; 6281 } 6282 }; 6283 6284 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6285 new Comparator<ProviderInfo>() { 6286 public int compare(ProviderInfo p1, ProviderInfo p2) { 6287 final int v1 = p1.initOrder; 6288 final int v2 = p2.initOrder; 6289 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6290 } 6291 }; 6292 6293 static final void sendPackageBroadcast(String action, String pkg, 6294 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6295 int[] userIds) { 6296 IActivityManager am = ActivityManagerNative.getDefault(); 6297 if (am != null) { 6298 try { 6299 if (userIds == null) { 6300 userIds = am.getRunningUserIds(); 6301 } 6302 for (int id : userIds) { 6303 final Intent intent = new Intent(action, 6304 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6305 if (extras != null) { 6306 intent.putExtras(extras); 6307 } 6308 if (targetPkg != null) { 6309 intent.setPackage(targetPkg); 6310 } 6311 // Modify the UID when posting to other users 6312 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6313 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6314 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6315 intent.putExtra(Intent.EXTRA_UID, uid); 6316 } 6317 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6318 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6319 if (DEBUG_BROADCASTS) { 6320 RuntimeException here = new RuntimeException("here"); 6321 here.fillInStackTrace(); 6322 Slog.d(TAG, "Sending to user " + id + ": " 6323 + intent.toShortString(false, true, false, false) 6324 + " " + intent.getExtras(), here); 6325 } 6326 am.broadcastIntent(null, intent, null, finishedReceiver, 6327 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6328 finishedReceiver != null, false, id); 6329 } 6330 } catch (RemoteException ex) { 6331 } 6332 } 6333 } 6334 6335 /** 6336 * Check if the external storage media is available. This is true if there 6337 * is a mounted external storage medium or if the external storage is 6338 * emulated. 6339 */ 6340 private boolean isExternalMediaAvailable() { 6341 return mMediaMounted || Environment.isExternalStorageEmulated(); 6342 } 6343 6344 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6345 // writer 6346 synchronized (mPackages) { 6347 if (!isExternalMediaAvailable()) { 6348 // If the external storage is no longer mounted at this point, 6349 // the caller may not have been able to delete all of this 6350 // packages files and can not delete any more. Bail. 6351 return null; 6352 } 6353 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6354 if (lastPackage != null) { 6355 pkgs.remove(lastPackage); 6356 } 6357 if (pkgs.size() > 0) { 6358 return pkgs.get(0); 6359 } 6360 } 6361 return null; 6362 } 6363 6364 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6365 if (false) { 6366 RuntimeException here = new RuntimeException("here"); 6367 here.fillInStackTrace(); 6368 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6369 + " andCode=" + andCode, here); 6370 } 6371 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6372 userId, andCode ? 1 : 0, packageName)); 6373 } 6374 6375 void startCleaningPackages() { 6376 // reader 6377 synchronized (mPackages) { 6378 if (!isExternalMediaAvailable()) { 6379 return; 6380 } 6381 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6382 return; 6383 } 6384 } 6385 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6386 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6387 IActivityManager am = ActivityManagerNative.getDefault(); 6388 if (am != null) { 6389 try { 6390 am.startService(null, intent, null, UserHandle.USER_OWNER); 6391 } catch (RemoteException e) { 6392 } 6393 } 6394 } 6395 6396 private final class AppDirObserver extends FileObserver { 6397 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6398 super(path, mask); 6399 mRootDir = path; 6400 mIsRom = isrom; 6401 mIsPrivileged = isPrivileged; 6402 } 6403 6404 public void onEvent(int event, String path) { 6405 String removedPackage = null; 6406 int removedAppId = -1; 6407 int[] removedUsers = null; 6408 String addedPackage = null; 6409 int addedAppId = -1; 6410 int[] addedUsers = null; 6411 6412 // TODO post a message to the handler to obtain serial ordering 6413 synchronized (mInstallLock) { 6414 String fullPathStr = null; 6415 File fullPath = null; 6416 if (path != null) { 6417 fullPath = new File(mRootDir, path); 6418 fullPathStr = fullPath.getPath(); 6419 } 6420 6421 if (DEBUG_APP_DIR_OBSERVER) 6422 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6423 6424 if (!isPackageFilename(path)) { 6425 if (DEBUG_APP_DIR_OBSERVER) 6426 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6427 return; 6428 } 6429 6430 // Ignore packages that are being installed or 6431 // have just been installed. 6432 if (ignoreCodePath(fullPathStr)) { 6433 return; 6434 } 6435 PackageParser.Package p = null; 6436 PackageSetting ps = null; 6437 // reader 6438 synchronized (mPackages) { 6439 p = mAppDirs.get(fullPathStr); 6440 if (p != null) { 6441 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6442 if (ps != null) { 6443 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6444 } else { 6445 removedUsers = sUserManager.getUserIds(); 6446 } 6447 } 6448 addedUsers = sUserManager.getUserIds(); 6449 } 6450 if ((event&REMOVE_EVENTS) != 0) { 6451 if (ps != null) { 6452 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6453 removePackageLI(ps, true); 6454 removedPackage = ps.name; 6455 removedAppId = ps.appId; 6456 } 6457 } 6458 6459 if ((event&ADD_EVENTS) != 0) { 6460 if (p == null) { 6461 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6462 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6463 if (mIsRom) { 6464 flags |= PackageParser.PARSE_IS_SYSTEM 6465 | PackageParser.PARSE_IS_SYSTEM_DIR; 6466 if (mIsPrivileged) { 6467 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6468 } 6469 } 6470 p = scanPackageLI(fullPath, flags, 6471 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6472 System.currentTimeMillis(), UserHandle.ALL); 6473 if (p != null) { 6474 /* 6475 * TODO this seems dangerous as the package may have 6476 * changed since we last acquired the mPackages 6477 * lock. 6478 */ 6479 // writer 6480 synchronized (mPackages) { 6481 updatePermissionsLPw(p.packageName, p, 6482 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6483 } 6484 addedPackage = p.applicationInfo.packageName; 6485 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6486 } 6487 } 6488 } 6489 6490 // reader 6491 synchronized (mPackages) { 6492 mSettings.writeLPr(); 6493 } 6494 } 6495 6496 if (removedPackage != null) { 6497 Bundle extras = new Bundle(1); 6498 extras.putInt(Intent.EXTRA_UID, removedAppId); 6499 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6500 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6501 extras, null, null, removedUsers); 6502 } 6503 if (addedPackage != null) { 6504 Bundle extras = new Bundle(1); 6505 extras.putInt(Intent.EXTRA_UID, addedAppId); 6506 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6507 extras, null, null, addedUsers); 6508 } 6509 } 6510 6511 private final String mRootDir; 6512 private final boolean mIsRom; 6513 private final boolean mIsPrivileged; 6514 } 6515 6516 /* Called when a downloaded package installation has been confirmed by the user */ 6517 public void installPackage( 6518 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6519 installPackage(packageURI, observer, flags, null); 6520 } 6521 6522 /* Called when a downloaded package installation has been confirmed by the user */ 6523 public void installPackage( 6524 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6525 final String installerPackageName) { 6526 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6527 null, null); 6528 } 6529 6530 @Override 6531 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6532 int flags, String installerPackageName, Uri verificationURI, 6533 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6534 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6535 VerificationParams.NO_UID, manifestDigest); 6536 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6537 installerPackageName, verificationParams, encryptionParams); 6538 } 6539 6540 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6541 IPackageInstallObserver observer, int flags, String installerPackageName, 6542 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6543 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6544 null); 6545 6546 final int uid = Binder.getCallingUid(); 6547 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6548 try { 6549 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6550 } catch (RemoteException re) { 6551 } 6552 return; 6553 } 6554 6555 UserHandle user; 6556 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6557 user = UserHandle.ALL; 6558 } else { 6559 user = new UserHandle(UserHandle.getUserId(uid)); 6560 } 6561 6562 final int filteredFlags; 6563 6564 if (uid == Process.SHELL_UID || uid == 0) { 6565 if (DEBUG_INSTALL) { 6566 Slog.v(TAG, "Install from ADB"); 6567 } 6568 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6569 } else { 6570 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6571 } 6572 6573 verificationParams.setInstallerUid(uid); 6574 6575 final Message msg = mHandler.obtainMessage(INIT_COPY); 6576 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6577 verificationParams, encryptionParams, user); 6578 mHandler.sendMessage(msg); 6579 } 6580 6581 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6582 Bundle extras = new Bundle(1); 6583 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6584 6585 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6586 packageName, extras, null, null, new int[] {userId}); 6587 try { 6588 IActivityManager am = ActivityManagerNative.getDefault(); 6589 final boolean isSystem = 6590 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6591 if (isSystem && am.isUserRunning(userId, false)) { 6592 // The just-installed/enabled app is bundled on the system, so presumed 6593 // to be able to run automatically without needing an explicit launch. 6594 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6595 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6596 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6597 .setPackage(packageName); 6598 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6599 android.app.AppOpsManager.OP_NONE, false, false, userId); 6600 } 6601 } catch (RemoteException e) { 6602 // shouldn't happen 6603 Slog.w(TAG, "Unable to bootstrap installed package", e); 6604 } 6605 } 6606 6607 @Override 6608 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6609 int userId) { 6610 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6611 PackageSetting pkgSetting; 6612 final int uid = Binder.getCallingUid(); 6613 if (UserHandle.getUserId(uid) != userId) { 6614 mContext.enforceCallingOrSelfPermission( 6615 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6616 "setApplicationBlockedSetting for user " + userId); 6617 } 6618 6619 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6620 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6621 return false; 6622 } 6623 6624 long callingId = Binder.clearCallingIdentity(); 6625 try { 6626 boolean sendAdded = false; 6627 boolean sendRemoved = false; 6628 // writer 6629 synchronized (mPackages) { 6630 pkgSetting = mSettings.mPackages.get(packageName); 6631 if (pkgSetting == null) { 6632 return false; 6633 } 6634 if (pkgSetting.getBlocked(userId) != blocked) { 6635 pkgSetting.setBlocked(blocked, userId); 6636 mSettings.writePackageRestrictionsLPr(userId); 6637 if (blocked) { 6638 sendRemoved = true; 6639 } else { 6640 sendAdded = true; 6641 } 6642 } 6643 } 6644 if (sendAdded) { 6645 sendPackageAddedForUser(packageName, pkgSetting, userId); 6646 return true; 6647 } 6648 if (sendRemoved) { 6649 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6650 "blocking pkg"); 6651 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6652 } 6653 } finally { 6654 Binder.restoreCallingIdentity(callingId); 6655 } 6656 return false; 6657 } 6658 6659 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6660 int userId) { 6661 final PackageRemovedInfo info = new PackageRemovedInfo(); 6662 info.removedPackage = packageName; 6663 info.removedUsers = new int[] {userId}; 6664 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6665 info.sendBroadcast(false, false, false); 6666 } 6667 6668 /** 6669 * Returns true if application is not found or there was an error. Otherwise it returns 6670 * the blocked state of the package for the given user. 6671 */ 6672 @Override 6673 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6674 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6675 PackageSetting pkgSetting; 6676 final int uid = Binder.getCallingUid(); 6677 if (UserHandle.getUserId(uid) != userId) { 6678 mContext.enforceCallingPermission( 6679 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6680 "getApplicationBlocked for user " + userId); 6681 } 6682 long callingId = Binder.clearCallingIdentity(); 6683 try { 6684 // writer 6685 synchronized (mPackages) { 6686 pkgSetting = mSettings.mPackages.get(packageName); 6687 if (pkgSetting == null) { 6688 return true; 6689 } 6690 return pkgSetting.getBlocked(userId); 6691 } 6692 } finally { 6693 Binder.restoreCallingIdentity(callingId); 6694 } 6695 } 6696 6697 /** 6698 * @hide 6699 */ 6700 @Override 6701 public int installExistingPackageAsUser(String packageName, int userId) { 6702 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6703 null); 6704 PackageSetting pkgSetting; 6705 final int uid = Binder.getCallingUid(); 6706 if (UserHandle.getUserId(uid) != userId) { 6707 mContext.enforceCallingPermission( 6708 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6709 "installExistingPackage for user " + userId); 6710 } 6711 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6712 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6713 } 6714 6715 long callingId = Binder.clearCallingIdentity(); 6716 try { 6717 boolean sendAdded = false; 6718 Bundle extras = new Bundle(1); 6719 6720 // writer 6721 synchronized (mPackages) { 6722 pkgSetting = mSettings.mPackages.get(packageName); 6723 if (pkgSetting == null) { 6724 return PackageManager.INSTALL_FAILED_INVALID_URI; 6725 } 6726 if (!pkgSetting.getInstalled(userId)) { 6727 pkgSetting.setInstalled(true, userId); 6728 pkgSetting.setBlocked(false, userId); 6729 mSettings.writePackageRestrictionsLPr(userId); 6730 sendAdded = true; 6731 } 6732 } 6733 6734 if (sendAdded) { 6735 sendPackageAddedForUser(packageName, pkgSetting, userId); 6736 } 6737 } finally { 6738 Binder.restoreCallingIdentity(callingId); 6739 } 6740 6741 return PackageManager.INSTALL_SUCCEEDED; 6742 } 6743 6744 private boolean isUserRestricted(int userId, String restrictionKey) { 6745 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6746 if (restrictions.getBoolean(restrictionKey, false)) { 6747 Log.w(TAG, "User is restricted: " + restrictionKey); 6748 return true; 6749 } 6750 return false; 6751 } 6752 6753 @Override 6754 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6755 mContext.enforceCallingOrSelfPermission( 6756 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6757 "Only package verification agents can verify applications"); 6758 6759 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6760 final PackageVerificationResponse response = new PackageVerificationResponse( 6761 verificationCode, Binder.getCallingUid()); 6762 msg.arg1 = id; 6763 msg.obj = response; 6764 mHandler.sendMessage(msg); 6765 } 6766 6767 @Override 6768 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6769 long millisecondsToDelay) { 6770 mContext.enforceCallingOrSelfPermission( 6771 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6772 "Only package verification agents can extend verification timeouts"); 6773 6774 final PackageVerificationState state = mPendingVerification.get(id); 6775 final PackageVerificationResponse response = new PackageVerificationResponse( 6776 verificationCodeAtTimeout, Binder.getCallingUid()); 6777 6778 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 6779 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 6780 } 6781 if (millisecondsToDelay < 0) { 6782 millisecondsToDelay = 0; 6783 } 6784 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 6785 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 6786 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 6787 } 6788 6789 if ((state != null) && !state.timeoutExtended()) { 6790 state.extendTimeout(); 6791 6792 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6793 msg.arg1 = id; 6794 msg.obj = response; 6795 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 6796 } 6797 } 6798 6799 private void broadcastPackageVerified(int verificationId, Uri packageUri, 6800 int verificationCode, UserHandle user) { 6801 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 6802 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 6803 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6804 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 6805 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 6806 6807 mContext.sendBroadcastAsUser(intent, user, 6808 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 6809 } 6810 6811 private ComponentName matchComponentForVerifier(String packageName, 6812 List<ResolveInfo> receivers) { 6813 ActivityInfo targetReceiver = null; 6814 6815 final int NR = receivers.size(); 6816 for (int i = 0; i < NR; i++) { 6817 final ResolveInfo info = receivers.get(i); 6818 if (info.activityInfo == null) { 6819 continue; 6820 } 6821 6822 if (packageName.equals(info.activityInfo.packageName)) { 6823 targetReceiver = info.activityInfo; 6824 break; 6825 } 6826 } 6827 6828 if (targetReceiver == null) { 6829 return null; 6830 } 6831 6832 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 6833 } 6834 6835 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 6836 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 6837 if (pkgInfo.verifiers.length == 0) { 6838 return null; 6839 } 6840 6841 final int N = pkgInfo.verifiers.length; 6842 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 6843 for (int i = 0; i < N; i++) { 6844 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 6845 6846 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 6847 receivers); 6848 if (comp == null) { 6849 continue; 6850 } 6851 6852 final int verifierUid = getUidForVerifier(verifierInfo); 6853 if (verifierUid == -1) { 6854 continue; 6855 } 6856 6857 if (DEBUG_VERIFY) { 6858 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 6859 + " with the correct signature"); 6860 } 6861 sufficientVerifiers.add(comp); 6862 verificationState.addSufficientVerifier(verifierUid); 6863 } 6864 6865 return sufficientVerifiers; 6866 } 6867 6868 private int getUidForVerifier(VerifierInfo verifierInfo) { 6869 synchronized (mPackages) { 6870 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 6871 if (pkg == null) { 6872 return -1; 6873 } else if (pkg.mSignatures.length != 1) { 6874 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 6875 + " has more than one signature; ignoring"); 6876 return -1; 6877 } 6878 6879 /* 6880 * If the public key of the package's signature does not match 6881 * our expected public key, then this is a different package and 6882 * we should skip. 6883 */ 6884 6885 final byte[] expectedPublicKey; 6886 try { 6887 final Signature verifierSig = pkg.mSignatures[0]; 6888 final PublicKey publicKey = verifierSig.getPublicKey(); 6889 expectedPublicKey = publicKey.getEncoded(); 6890 } catch (CertificateException e) { 6891 return -1; 6892 } 6893 6894 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 6895 6896 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 6897 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 6898 + " does not have the expected public key; ignoring"); 6899 return -1; 6900 } 6901 6902 return pkg.applicationInfo.uid; 6903 } 6904 } 6905 6906 public void finishPackageInstall(int token) { 6907 enforceSystemOrRoot("Only the system is allowed to finish installs"); 6908 6909 if (DEBUG_INSTALL) { 6910 Slog.v(TAG, "BM finishing package install for " + token); 6911 } 6912 6913 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 6914 mHandler.sendMessage(msg); 6915 } 6916 6917 /** 6918 * Get the verification agent timeout. 6919 * 6920 * @return verification timeout in milliseconds 6921 */ 6922 private long getVerificationTimeout() { 6923 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 6924 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 6925 DEFAULT_VERIFICATION_TIMEOUT); 6926 } 6927 6928 /** 6929 * Get the default verification agent response code. 6930 * 6931 * @return default verification response code 6932 */ 6933 private int getDefaultVerificationResponse() { 6934 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6935 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 6936 DEFAULT_VERIFICATION_RESPONSE); 6937 } 6938 6939 /** 6940 * Check whether or not package verification has been enabled. 6941 * 6942 * @return true if verification should be performed 6943 */ 6944 private boolean isVerificationEnabled(int flags) { 6945 if (!DEFAULT_VERIFY_ENABLE) { 6946 return false; 6947 } 6948 6949 // Check if installing from ADB 6950 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 6951 // Do not run verification in a test harness environment 6952 if (ActivityManager.isRunningInTestHarness()) { 6953 return false; 6954 } 6955 // Check if the developer does not want package verification for ADB installs 6956 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6957 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 6958 return false; 6959 } 6960 } 6961 6962 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6963 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 6964 } 6965 6966 /** 6967 * Get the "allow unknown sources" setting. 6968 * 6969 * @return the current "allow unknown sources" setting 6970 */ 6971 private int getUnknownSourcesSettings() { 6972 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6973 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 6974 -1); 6975 } 6976 6977 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 6978 final int uid = Binder.getCallingUid(); 6979 // writer 6980 synchronized (mPackages) { 6981 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 6982 if (targetPackageSetting == null) { 6983 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 6984 } 6985 6986 PackageSetting installerPackageSetting; 6987 if (installerPackageName != null) { 6988 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 6989 if (installerPackageSetting == null) { 6990 throw new IllegalArgumentException("Unknown installer package: " 6991 + installerPackageName); 6992 } 6993 } else { 6994 installerPackageSetting = null; 6995 } 6996 6997 Signature[] callerSignature; 6998 Object obj = mSettings.getUserIdLPr(uid); 6999 if (obj != null) { 7000 if (obj instanceof SharedUserSetting) { 7001 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7002 } else if (obj instanceof PackageSetting) { 7003 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7004 } else { 7005 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7006 } 7007 } else { 7008 throw new SecurityException("Unknown calling uid " + uid); 7009 } 7010 7011 // Verify: can't set installerPackageName to a package that is 7012 // not signed with the same cert as the caller. 7013 if (installerPackageSetting != null) { 7014 if (compareSignatures(callerSignature, 7015 installerPackageSetting.signatures.mSignatures) 7016 != PackageManager.SIGNATURE_MATCH) { 7017 throw new SecurityException( 7018 "Caller does not have same cert as new installer package " 7019 + installerPackageName); 7020 } 7021 } 7022 7023 // Verify: if target already has an installer package, it must 7024 // be signed with the same cert as the caller. 7025 if (targetPackageSetting.installerPackageName != null) { 7026 PackageSetting setting = mSettings.mPackages.get( 7027 targetPackageSetting.installerPackageName); 7028 // If the currently set package isn't valid, then it's always 7029 // okay to change it. 7030 if (setting != null) { 7031 if (compareSignatures(callerSignature, 7032 setting.signatures.mSignatures) 7033 != PackageManager.SIGNATURE_MATCH) { 7034 throw new SecurityException( 7035 "Caller does not have same cert as old installer package " 7036 + targetPackageSetting.installerPackageName); 7037 } 7038 } 7039 } 7040 7041 // Okay! 7042 targetPackageSetting.installerPackageName = installerPackageName; 7043 scheduleWriteSettingsLocked(); 7044 } 7045 } 7046 7047 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7048 // Queue up an async operation since the package installation may take a little while. 7049 mHandler.post(new Runnable() { 7050 public void run() { 7051 mHandler.removeCallbacks(this); 7052 // Result object to be returned 7053 PackageInstalledInfo res = new PackageInstalledInfo(); 7054 res.returnCode = currentStatus; 7055 res.uid = -1; 7056 res.pkg = null; 7057 res.removedInfo = new PackageRemovedInfo(); 7058 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7059 args.doPreInstall(res.returnCode); 7060 synchronized (mInstallLock) { 7061 installPackageLI(args, true, res); 7062 } 7063 args.doPostInstall(res.returnCode, res.uid); 7064 } 7065 7066 // A restore should be performed at this point if (a) the install 7067 // succeeded, (b) the operation is not an update, and (c) the new 7068 // package has a backupAgent defined. 7069 final boolean update = res.removedInfo.removedPackage != null; 7070 boolean doRestore = (!update 7071 && res.pkg != null 7072 && res.pkg.applicationInfo.backupAgentName != null); 7073 7074 // Set up the post-install work request bookkeeping. This will be used 7075 // and cleaned up by the post-install event handling regardless of whether 7076 // there's a restore pass performed. Token values are >= 1. 7077 int token; 7078 if (mNextInstallToken < 0) mNextInstallToken = 1; 7079 token = mNextInstallToken++; 7080 7081 PostInstallData data = new PostInstallData(args, res); 7082 mRunningInstalls.put(token, data); 7083 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7084 7085 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7086 // Pass responsibility to the Backup Manager. It will perform a 7087 // restore if appropriate, then pass responsibility back to the 7088 // Package Manager to run the post-install observer callbacks 7089 // and broadcasts. 7090 IBackupManager bm = IBackupManager.Stub.asInterface( 7091 ServiceManager.getService(Context.BACKUP_SERVICE)); 7092 if (bm != null) { 7093 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7094 + " to BM for possible restore"); 7095 try { 7096 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7097 } catch (RemoteException e) { 7098 // can't happen; the backup manager is local 7099 } catch (Exception e) { 7100 Slog.e(TAG, "Exception trying to enqueue restore", e); 7101 doRestore = false; 7102 } 7103 } else { 7104 Slog.e(TAG, "Backup Manager not found!"); 7105 doRestore = false; 7106 } 7107 } 7108 7109 if (!doRestore) { 7110 // No restore possible, or the Backup Manager was mysteriously not 7111 // available -- just fire the post-install work request directly. 7112 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7113 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7114 mHandler.sendMessage(msg); 7115 } 7116 } 7117 }); 7118 } 7119 7120 private abstract class HandlerParams { 7121 private static final int MAX_RETRIES = 4; 7122 7123 /** 7124 * Number of times startCopy() has been attempted and had a non-fatal 7125 * error. 7126 */ 7127 private int mRetries = 0; 7128 7129 /** User handle for the user requesting the information or installation. */ 7130 private final UserHandle mUser; 7131 7132 HandlerParams(UserHandle user) { 7133 mUser = user; 7134 } 7135 7136 UserHandle getUser() { 7137 return mUser; 7138 } 7139 7140 final boolean startCopy() { 7141 boolean res; 7142 try { 7143 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7144 7145 if (++mRetries > MAX_RETRIES) { 7146 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7147 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7148 handleServiceError(); 7149 return false; 7150 } else { 7151 handleStartCopy(); 7152 res = true; 7153 } 7154 } catch (RemoteException e) { 7155 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7156 mHandler.sendEmptyMessage(MCS_RECONNECT); 7157 res = false; 7158 } 7159 handleReturnCode(); 7160 return res; 7161 } 7162 7163 final void serviceError() { 7164 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7165 handleServiceError(); 7166 handleReturnCode(); 7167 } 7168 7169 abstract void handleStartCopy() throws RemoteException; 7170 abstract void handleServiceError(); 7171 abstract void handleReturnCode(); 7172 } 7173 7174 class MeasureParams extends HandlerParams { 7175 private final PackageStats mStats; 7176 private boolean mSuccess; 7177 7178 private final IPackageStatsObserver mObserver; 7179 7180 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7181 super(new UserHandle(stats.userHandle)); 7182 mObserver = observer; 7183 mStats = stats; 7184 } 7185 7186 @Override 7187 public String toString() { 7188 return "MeasureParams{" 7189 + Integer.toHexString(System.identityHashCode(this)) 7190 + " " + mStats.packageName + "}"; 7191 } 7192 7193 @Override 7194 void handleStartCopy() throws RemoteException { 7195 synchronized (mInstallLock) { 7196 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7197 } 7198 7199 final boolean mounted; 7200 if (Environment.isExternalStorageEmulated()) { 7201 mounted = true; 7202 } else { 7203 final String status = Environment.getExternalStorageState(); 7204 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7205 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7206 } 7207 7208 if (mounted) { 7209 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7210 7211 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7212 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7213 7214 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7215 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7216 7217 // Always subtract cache size, since it's a subdirectory 7218 mStats.externalDataSize -= mStats.externalCacheSize; 7219 7220 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7221 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7222 7223 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7224 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7225 } 7226 } 7227 7228 @Override 7229 void handleReturnCode() { 7230 if (mObserver != null) { 7231 try { 7232 mObserver.onGetStatsCompleted(mStats, mSuccess); 7233 } catch (RemoteException e) { 7234 Slog.i(TAG, "Observer no longer exists."); 7235 } 7236 } 7237 } 7238 7239 @Override 7240 void handleServiceError() { 7241 Slog.e(TAG, "Could not measure application " + mStats.packageName 7242 + " external storage"); 7243 } 7244 } 7245 7246 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7247 throws RemoteException { 7248 long result = 0; 7249 for (File path : paths) { 7250 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7251 } 7252 return result; 7253 } 7254 7255 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7256 for (File path : paths) { 7257 try { 7258 mcs.clearDirectory(path.getAbsolutePath()); 7259 } catch (RemoteException e) { 7260 } 7261 } 7262 } 7263 7264 class InstallParams extends HandlerParams { 7265 final IPackageInstallObserver observer; 7266 int flags; 7267 7268 private final Uri mPackageURI; 7269 final String installerPackageName; 7270 final VerificationParams verificationParams; 7271 private InstallArgs mArgs; 7272 private int mRet; 7273 private File mTempPackage; 7274 final ContainerEncryptionParams encryptionParams; 7275 7276 InstallParams(Uri packageURI, 7277 IPackageInstallObserver observer, int flags, 7278 String installerPackageName, VerificationParams verificationParams, 7279 ContainerEncryptionParams encryptionParams, UserHandle user) { 7280 super(user); 7281 this.mPackageURI = packageURI; 7282 this.flags = flags; 7283 this.observer = observer; 7284 this.installerPackageName = installerPackageName; 7285 this.verificationParams = verificationParams; 7286 this.encryptionParams = encryptionParams; 7287 } 7288 7289 @Override 7290 public String toString() { 7291 return "InstallParams{" 7292 + Integer.toHexString(System.identityHashCode(this)) 7293 + " " + mPackageURI + "}"; 7294 } 7295 7296 public ManifestDigest getManifestDigest() { 7297 if (verificationParams == null) { 7298 return null; 7299 } 7300 return verificationParams.getManifestDigest(); 7301 } 7302 7303 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7304 String packageName = pkgLite.packageName; 7305 int installLocation = pkgLite.installLocation; 7306 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7307 // reader 7308 synchronized (mPackages) { 7309 PackageParser.Package pkg = mPackages.get(packageName); 7310 if (pkg != null) { 7311 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7312 // Check for downgrading. 7313 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7314 if (pkgLite.versionCode < pkg.mVersionCode) { 7315 Slog.w(TAG, "Can't install update of " + packageName 7316 + " update version " + pkgLite.versionCode 7317 + " is older than installed version " 7318 + pkg.mVersionCode); 7319 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7320 } 7321 } 7322 // Check for updated system application. 7323 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7324 if (onSd) { 7325 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7326 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7327 } 7328 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7329 } else { 7330 if (onSd) { 7331 // Install flag overrides everything. 7332 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7333 } 7334 // If current upgrade specifies particular preference 7335 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7336 // Application explicitly specified internal. 7337 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7338 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7339 // App explictly prefers external. Let policy decide 7340 } else { 7341 // Prefer previous location 7342 if (isExternal(pkg)) { 7343 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7344 } 7345 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7346 } 7347 } 7348 } else { 7349 // Invalid install. Return error code 7350 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7351 } 7352 } 7353 } 7354 // All the special cases have been taken care of. 7355 // Return result based on recommended install location. 7356 if (onSd) { 7357 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7358 } 7359 return pkgLite.recommendedInstallLocation; 7360 } 7361 7362 private long getMemoryLowThreshold() { 7363 final DeviceStorageMonitorInternal 7364 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7365 if (dsm == null) { 7366 return 0L; 7367 } 7368 return dsm.getMemoryLowThreshold(); 7369 } 7370 7371 /* 7372 * Invoke remote method to get package information and install 7373 * location values. Override install location based on default 7374 * policy if needed and then create install arguments based 7375 * on the install location. 7376 */ 7377 public void handleStartCopy() throws RemoteException { 7378 int ret = PackageManager.INSTALL_SUCCEEDED; 7379 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7380 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7381 PackageInfoLite pkgLite = null; 7382 7383 if (onInt && onSd) { 7384 // Check if both bits are set. 7385 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7386 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7387 } else { 7388 final long lowThreshold = getMemoryLowThreshold(); 7389 if (lowThreshold == 0L) { 7390 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7391 } 7392 7393 try { 7394 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7395 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7396 7397 final File packageFile; 7398 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7399 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7400 if (mTempPackage != null) { 7401 ParcelFileDescriptor out; 7402 try { 7403 out = ParcelFileDescriptor.open(mTempPackage, 7404 ParcelFileDescriptor.MODE_READ_WRITE); 7405 } catch (FileNotFoundException e) { 7406 out = null; 7407 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7408 } 7409 7410 // Make a temporary file for decryption. 7411 ret = mContainerService 7412 .copyResource(mPackageURI, encryptionParams, out); 7413 IoUtils.closeQuietly(out); 7414 7415 packageFile = mTempPackage; 7416 7417 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7418 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7419 | FileUtils.S_IROTH, 7420 -1, -1); 7421 } else { 7422 packageFile = null; 7423 } 7424 } else { 7425 packageFile = new File(mPackageURI.getPath()); 7426 } 7427 7428 if (packageFile != null) { 7429 // Remote call to find out default install location 7430 final String packageFilePath = packageFile.getAbsolutePath(); 7431 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7432 lowThreshold); 7433 7434 /* 7435 * If we have too little free space, try to free cache 7436 * before giving up. 7437 */ 7438 if (pkgLite.recommendedInstallLocation 7439 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7440 final long size = mContainerService.calculateInstalledSize( 7441 packageFilePath, isForwardLocked()); 7442 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7443 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7444 flags, lowThreshold); 7445 } 7446 /* 7447 * The cache free must have deleted the file we 7448 * downloaded to install. 7449 * 7450 * TODO: fix the "freeCache" call to not delete 7451 * the file we care about. 7452 */ 7453 if (pkgLite.recommendedInstallLocation 7454 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7455 pkgLite.recommendedInstallLocation 7456 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7457 } 7458 } 7459 } 7460 } finally { 7461 mContext.revokeUriPermission(mPackageURI, 7462 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7463 } 7464 } 7465 7466 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7467 int loc = pkgLite.recommendedInstallLocation; 7468 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7469 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7470 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7471 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7472 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7473 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7474 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7475 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7476 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7477 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7478 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7479 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7480 } else { 7481 // Override with defaults if needed. 7482 loc = installLocationPolicy(pkgLite, flags); 7483 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7484 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7485 } else if (!onSd && !onInt) { 7486 // Override install location with flags 7487 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7488 // Set the flag to install on external media. 7489 flags |= PackageManager.INSTALL_EXTERNAL; 7490 flags &= ~PackageManager.INSTALL_INTERNAL; 7491 } else { 7492 // Make sure the flag for installing on external 7493 // media is unset 7494 flags |= PackageManager.INSTALL_INTERNAL; 7495 flags &= ~PackageManager.INSTALL_EXTERNAL; 7496 } 7497 } 7498 } 7499 } 7500 7501 final InstallArgs args = createInstallArgs(this); 7502 mArgs = args; 7503 7504 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7505 /* 7506 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7507 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7508 */ 7509 int userIdentifier = getUser().getIdentifier(); 7510 if (userIdentifier == UserHandle.USER_ALL 7511 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7512 userIdentifier = UserHandle.USER_OWNER; 7513 } 7514 7515 /* 7516 * Determine if we have any installed package verifiers. If we 7517 * do, then we'll defer to them to verify the packages. 7518 */ 7519 final int requiredUid = mRequiredVerifierPackage == null ? -1 7520 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7521 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7522 final Intent verification = new Intent( 7523 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7524 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7525 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7526 7527 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7528 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7529 0 /* TODO: Which userId? */); 7530 7531 if (DEBUG_VERIFY) { 7532 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7533 + verification.toString() + " with " + pkgLite.verifiers.length 7534 + " optional verifiers"); 7535 } 7536 7537 final int verificationId = mPendingVerificationToken++; 7538 7539 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7540 7541 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7542 installerPackageName); 7543 7544 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7545 7546 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7547 pkgLite.packageName); 7548 7549 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7550 pkgLite.versionCode); 7551 7552 if (verificationParams != null) { 7553 if (verificationParams.getVerificationURI() != null) { 7554 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7555 verificationParams.getVerificationURI()); 7556 } 7557 if (verificationParams.getOriginatingURI() != null) { 7558 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7559 verificationParams.getOriginatingURI()); 7560 } 7561 if (verificationParams.getReferrer() != null) { 7562 verification.putExtra(Intent.EXTRA_REFERRER, 7563 verificationParams.getReferrer()); 7564 } 7565 if (verificationParams.getOriginatingUid() >= 0) { 7566 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7567 verificationParams.getOriginatingUid()); 7568 } 7569 if (verificationParams.getInstallerUid() >= 0) { 7570 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7571 verificationParams.getInstallerUid()); 7572 } 7573 } 7574 7575 final PackageVerificationState verificationState = new PackageVerificationState( 7576 requiredUid, args); 7577 7578 mPendingVerification.append(verificationId, verificationState); 7579 7580 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7581 receivers, verificationState); 7582 7583 /* 7584 * If any sufficient verifiers were listed in the package 7585 * manifest, attempt to ask them. 7586 */ 7587 if (sufficientVerifiers != null) { 7588 final int N = sufficientVerifiers.size(); 7589 if (N == 0) { 7590 Slog.i(TAG, "Additional verifiers required, but none installed."); 7591 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7592 } else { 7593 for (int i = 0; i < N; i++) { 7594 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7595 7596 final Intent sufficientIntent = new Intent(verification); 7597 sufficientIntent.setComponent(verifierComponent); 7598 7599 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7600 } 7601 } 7602 } 7603 7604 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7605 mRequiredVerifierPackage, receivers); 7606 if (ret == PackageManager.INSTALL_SUCCEEDED 7607 && mRequiredVerifierPackage != null) { 7608 /* 7609 * Send the intent to the required verification agent, 7610 * but only start the verification timeout after the 7611 * target BroadcastReceivers have run. 7612 */ 7613 verification.setComponent(requiredVerifierComponent); 7614 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7615 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7616 new BroadcastReceiver() { 7617 @Override 7618 public void onReceive(Context context, Intent intent) { 7619 final Message msg = mHandler 7620 .obtainMessage(CHECK_PENDING_VERIFICATION); 7621 msg.arg1 = verificationId; 7622 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7623 } 7624 }, null, 0, null, null); 7625 7626 /* 7627 * We don't want the copy to proceed until verification 7628 * succeeds, so null out this field. 7629 */ 7630 mArgs = null; 7631 } 7632 } else { 7633 /* 7634 * No package verification is enabled, so immediately start 7635 * the remote call to initiate copy using temporary file. 7636 */ 7637 ret = args.copyApk(mContainerService, true); 7638 } 7639 } 7640 7641 mRet = ret; 7642 } 7643 7644 @Override 7645 void handleReturnCode() { 7646 // If mArgs is null, then MCS couldn't be reached. When it 7647 // reconnects, it will try again to install. At that point, this 7648 // will succeed. 7649 if (mArgs != null) { 7650 processPendingInstall(mArgs, mRet); 7651 7652 if (mTempPackage != null) { 7653 if (!mTempPackage.delete()) { 7654 Slog.w(TAG, "Couldn't delete temporary file: " + 7655 mTempPackage.getAbsolutePath()); 7656 } 7657 } 7658 } 7659 } 7660 7661 @Override 7662 void handleServiceError() { 7663 mArgs = createInstallArgs(this); 7664 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7665 } 7666 7667 public boolean isForwardLocked() { 7668 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7669 } 7670 7671 public Uri getPackageUri() { 7672 if (mTempPackage != null) { 7673 return Uri.fromFile(mTempPackage); 7674 } else { 7675 return mPackageURI; 7676 } 7677 } 7678 } 7679 7680 /* 7681 * Utility class used in movePackage api. 7682 * srcArgs and targetArgs are not set for invalid flags and make 7683 * sure to do null checks when invoking methods on them. 7684 * We probably want to return ErrorPrams for both failed installs 7685 * and moves. 7686 */ 7687 class MoveParams extends HandlerParams { 7688 final IPackageMoveObserver observer; 7689 final int flags; 7690 final String packageName; 7691 final InstallArgs srcArgs; 7692 final InstallArgs targetArgs; 7693 int uid; 7694 int mRet; 7695 7696 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7697 String packageName, String dataDir, int uid, UserHandle user) { 7698 super(user); 7699 this.srcArgs = srcArgs; 7700 this.observer = observer; 7701 this.flags = flags; 7702 this.packageName = packageName; 7703 this.uid = uid; 7704 if (srcArgs != null) { 7705 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7706 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7707 } else { 7708 targetArgs = null; 7709 } 7710 } 7711 7712 @Override 7713 public String toString() { 7714 return "MoveParams{" 7715 + Integer.toHexString(System.identityHashCode(this)) 7716 + " " + packageName + "}"; 7717 } 7718 7719 public void handleStartCopy() throws RemoteException { 7720 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7721 // Check for storage space on target medium 7722 if (!targetArgs.checkFreeStorage(mContainerService)) { 7723 Log.w(TAG, "Insufficient storage to install"); 7724 return; 7725 } 7726 7727 mRet = srcArgs.doPreCopy(); 7728 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7729 return; 7730 } 7731 7732 mRet = targetArgs.copyApk(mContainerService, false); 7733 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7734 srcArgs.doPostCopy(uid); 7735 return; 7736 } 7737 7738 mRet = srcArgs.doPostCopy(uid); 7739 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7740 return; 7741 } 7742 7743 mRet = targetArgs.doPreInstall(mRet); 7744 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7745 return; 7746 } 7747 7748 if (DEBUG_SD_INSTALL) { 7749 StringBuilder builder = new StringBuilder(); 7750 if (srcArgs != null) { 7751 builder.append("src: "); 7752 builder.append(srcArgs.getCodePath()); 7753 } 7754 if (targetArgs != null) { 7755 builder.append(" target : "); 7756 builder.append(targetArgs.getCodePath()); 7757 } 7758 Log.i(TAG, builder.toString()); 7759 } 7760 } 7761 7762 @Override 7763 void handleReturnCode() { 7764 targetArgs.doPostInstall(mRet, uid); 7765 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7766 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7767 currentStatus = PackageManager.MOVE_SUCCEEDED; 7768 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7769 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7770 } 7771 processPendingMove(this, currentStatus); 7772 } 7773 7774 @Override 7775 void handleServiceError() { 7776 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7777 } 7778 } 7779 7780 /** 7781 * Used during creation of InstallArgs 7782 * 7783 * @param flags package installation flags 7784 * @return true if should be installed on external storage 7785 */ 7786 private static boolean installOnSd(int flags) { 7787 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 7788 return false; 7789 } 7790 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 7791 return true; 7792 } 7793 return false; 7794 } 7795 7796 /** 7797 * Used during creation of InstallArgs 7798 * 7799 * @param flags package installation flags 7800 * @return true if should be installed as forward locked 7801 */ 7802 private static boolean installForwardLocked(int flags) { 7803 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7804 } 7805 7806 private InstallArgs createInstallArgs(InstallParams params) { 7807 if (installOnSd(params.flags) || params.isForwardLocked()) { 7808 return new AsecInstallArgs(params); 7809 } else { 7810 return new FileInstallArgs(params); 7811 } 7812 } 7813 7814 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 7815 String nativeLibraryPath) { 7816 final boolean isInAsec; 7817 if (installOnSd(flags)) { 7818 /* Apps on SD card are always in ASEC containers. */ 7819 isInAsec = true; 7820 } else if (installForwardLocked(flags) 7821 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 7822 /* 7823 * Forward-locked apps are only in ASEC containers if they're the 7824 * new style 7825 */ 7826 isInAsec = true; 7827 } else { 7828 isInAsec = false; 7829 } 7830 7831 if (isInAsec) { 7832 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 7833 installOnSd(flags), installForwardLocked(flags)); 7834 } else { 7835 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 7836 } 7837 } 7838 7839 // Used by package mover 7840 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 7841 if (installOnSd(flags) || installForwardLocked(flags)) { 7842 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 7843 + AsecInstallArgs.RES_FILE_NAME); 7844 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 7845 installForwardLocked(flags)); 7846 } else { 7847 return new FileInstallArgs(packageURI, pkgName, dataDir); 7848 } 7849 } 7850 7851 static abstract class InstallArgs { 7852 final IPackageInstallObserver observer; 7853 // Always refers to PackageManager flags only 7854 final int flags; 7855 final Uri packageURI; 7856 final String installerPackageName; 7857 final ManifestDigest manifestDigest; 7858 final UserHandle user; 7859 7860 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 7861 String installerPackageName, ManifestDigest manifestDigest, 7862 UserHandle user) { 7863 this.packageURI = packageURI; 7864 this.flags = flags; 7865 this.observer = observer; 7866 this.installerPackageName = installerPackageName; 7867 this.manifestDigest = manifestDigest; 7868 this.user = user; 7869 } 7870 7871 abstract void createCopyFile(); 7872 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 7873 abstract int doPreInstall(int status); 7874 abstract boolean doRename(int status, String pkgName, String oldCodePath); 7875 7876 abstract int doPostInstall(int status, int uid); 7877 abstract String getCodePath(); 7878 abstract String getResourcePath(); 7879 abstract String getNativeLibraryPath(); 7880 // Need installer lock especially for dex file removal. 7881 abstract void cleanUpResourcesLI(); 7882 abstract boolean doPostDeleteLI(boolean delete); 7883 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 7884 7885 /** 7886 * Called before the source arguments are copied. This is used mostly 7887 * for MoveParams when it needs to read the source file to put it in the 7888 * destination. 7889 */ 7890 int doPreCopy() { 7891 return PackageManager.INSTALL_SUCCEEDED; 7892 } 7893 7894 /** 7895 * Called after the source arguments are copied. This is used mostly for 7896 * MoveParams when it needs to read the source file to put it in the 7897 * destination. 7898 * 7899 * @return 7900 */ 7901 int doPostCopy(int uid) { 7902 return PackageManager.INSTALL_SUCCEEDED; 7903 } 7904 7905 protected boolean isFwdLocked() { 7906 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7907 } 7908 7909 UserHandle getUser() { 7910 return user; 7911 } 7912 } 7913 7914 class FileInstallArgs extends InstallArgs { 7915 File installDir; 7916 String codeFileName; 7917 String resourceFileName; 7918 String libraryPath; 7919 boolean created = false; 7920 7921 FileInstallArgs(InstallParams params) { 7922 super(params.getPackageUri(), params.observer, params.flags, 7923 params.installerPackageName, params.getManifestDigest(), 7924 params.getUser()); 7925 } 7926 7927 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 7928 super(null, null, 0, null, null, null); 7929 File codeFile = new File(fullCodePath); 7930 installDir = codeFile.getParentFile(); 7931 codeFileName = fullCodePath; 7932 resourceFileName = fullResourcePath; 7933 libraryPath = nativeLibraryPath; 7934 } 7935 7936 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 7937 super(packageURI, null, 0, null, null, null); 7938 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 7939 String apkName = getNextCodePath(null, pkgName, ".apk"); 7940 codeFileName = new File(installDir, apkName + ".apk").getPath(); 7941 resourceFileName = getResourcePathFromCodePath(); 7942 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 7943 } 7944 7945 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 7946 final long lowThreshold; 7947 7948 final DeviceStorageMonitorInternal 7949 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7950 if (dsm == null) { 7951 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7952 lowThreshold = 0L; 7953 } else { 7954 if (dsm.isMemoryLow()) { 7955 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 7956 return false; 7957 } 7958 7959 lowThreshold = dsm.getMemoryLowThreshold(); 7960 } 7961 7962 try { 7963 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 7964 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7965 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 7966 } finally { 7967 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 7968 } 7969 } 7970 7971 String getCodePath() { 7972 return codeFileName; 7973 } 7974 7975 void createCopyFile() { 7976 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 7977 codeFileName = createTempPackageFile(installDir).getPath(); 7978 resourceFileName = getResourcePathFromCodePath(); 7979 libraryPath = getLibraryPathFromCodePath(); 7980 created = true; 7981 } 7982 7983 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 7984 if (temp) { 7985 // Generate temp file name 7986 createCopyFile(); 7987 } 7988 // Get a ParcelFileDescriptor to write to the output file 7989 File codeFile = new File(codeFileName); 7990 if (!created) { 7991 try { 7992 codeFile.createNewFile(); 7993 // Set permissions 7994 if (!setPermissions()) { 7995 // Failed setting permissions. 7996 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7997 } 7998 } catch (IOException e) { 7999 Slog.w(TAG, "Failed to create file " + codeFile); 8000 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8001 } 8002 } 8003 ParcelFileDescriptor out = null; 8004 try { 8005 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8006 } catch (FileNotFoundException e) { 8007 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8008 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8009 } 8010 // Copy the resource now 8011 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8012 try { 8013 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8014 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8015 ret = imcs.copyResource(packageURI, null, out); 8016 } finally { 8017 IoUtils.closeQuietly(out); 8018 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8019 } 8020 8021 if (isFwdLocked()) { 8022 final File destResourceFile = new File(getResourcePath()); 8023 8024 // Copy the public files 8025 try { 8026 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8027 } catch (IOException e) { 8028 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8029 + " forward-locked app."); 8030 destResourceFile.delete(); 8031 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8032 } 8033 } 8034 8035 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8036 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8037 if (nativeLibraryFile.exists()) { 8038 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8039 nativeLibraryFile.delete(); 8040 } 8041 try { 8042 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8043 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 8044 return copyRet; 8045 } 8046 } catch (IOException e) { 8047 Slog.e(TAG, "Copying native libraries failed", e); 8048 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8049 } 8050 8051 return ret; 8052 } 8053 8054 int doPreInstall(int status) { 8055 if (status != PackageManager.INSTALL_SUCCEEDED) { 8056 cleanUp(); 8057 } 8058 return status; 8059 } 8060 8061 boolean doRename(int status, final String pkgName, String oldCodePath) { 8062 if (status != PackageManager.INSTALL_SUCCEEDED) { 8063 cleanUp(); 8064 return false; 8065 } else { 8066 final File oldCodeFile = new File(getCodePath()); 8067 final File oldResourceFile = new File(getResourcePath()); 8068 final File oldLibraryFile = new File(getNativeLibraryPath()); 8069 8070 // Rename APK file based on packageName 8071 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8072 final File newCodeFile = new File(installDir, apkName + ".apk"); 8073 if (!oldCodeFile.renameTo(newCodeFile)) { 8074 return false; 8075 } 8076 codeFileName = newCodeFile.getPath(); 8077 8078 // Rename public resource file if it's forward-locked. 8079 final File newResFile = new File(getResourcePathFromCodePath()); 8080 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8081 return false; 8082 } 8083 resourceFileName = newResFile.getPath(); 8084 8085 // Rename library path 8086 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8087 if (newLibraryFile.exists()) { 8088 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8089 newLibraryFile.delete(); 8090 } 8091 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8092 Slog.e(TAG, "Cannot rename native library directory " 8093 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8094 return false; 8095 } 8096 libraryPath = newLibraryFile.getPath(); 8097 8098 // Attempt to set permissions 8099 if (!setPermissions()) { 8100 return false; 8101 } 8102 8103 if (!SELinux.restorecon(newCodeFile)) { 8104 return false; 8105 } 8106 8107 return true; 8108 } 8109 } 8110 8111 int doPostInstall(int status, int uid) { 8112 if (status != PackageManager.INSTALL_SUCCEEDED) { 8113 cleanUp(); 8114 } 8115 return status; 8116 } 8117 8118 String getResourcePath() { 8119 return resourceFileName; 8120 } 8121 8122 private String getResourcePathFromCodePath() { 8123 final String codePath = getCodePath(); 8124 if (isFwdLocked()) { 8125 final StringBuilder sb = new StringBuilder(); 8126 8127 sb.append(mAppInstallDir.getPath()); 8128 sb.append('/'); 8129 sb.append(getApkName(codePath)); 8130 sb.append(".zip"); 8131 8132 /* 8133 * If our APK is a temporary file, mark the resource as a 8134 * temporary file as well so it can be cleaned up after 8135 * catastrophic failure. 8136 */ 8137 if (codePath.endsWith(".tmp")) { 8138 sb.append(".tmp"); 8139 } 8140 8141 return sb.toString(); 8142 } else { 8143 return codePath; 8144 } 8145 } 8146 8147 private String getLibraryPathFromCodePath() { 8148 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8149 } 8150 8151 @Override 8152 String getNativeLibraryPath() { 8153 if (libraryPath == null) { 8154 libraryPath = getLibraryPathFromCodePath(); 8155 } 8156 return libraryPath; 8157 } 8158 8159 private boolean cleanUp() { 8160 boolean ret = true; 8161 String sourceDir = getCodePath(); 8162 String publicSourceDir = getResourcePath(); 8163 if (sourceDir != null) { 8164 File sourceFile = new File(sourceDir); 8165 if (!sourceFile.exists()) { 8166 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8167 ret = false; 8168 } 8169 // Delete application's code and resources 8170 sourceFile.delete(); 8171 } 8172 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8173 final File publicSourceFile = new File(publicSourceDir); 8174 if (!publicSourceFile.exists()) { 8175 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8176 } 8177 if (publicSourceFile.exists()) { 8178 publicSourceFile.delete(); 8179 } 8180 } 8181 8182 if (libraryPath != null) { 8183 File nativeLibraryFile = new File(libraryPath); 8184 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8185 if (!nativeLibraryFile.delete()) { 8186 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8187 } 8188 } 8189 8190 return ret; 8191 } 8192 8193 void cleanUpResourcesLI() { 8194 String sourceDir = getCodePath(); 8195 if (cleanUp()) { 8196 int retCode = mInstaller.rmdex(sourceDir); 8197 if (retCode < 0) { 8198 Slog.w(TAG, "Couldn't remove dex file for package: " 8199 + " at location " 8200 + sourceDir + ", retcode=" + retCode); 8201 // we don't consider this to be a failure of the core package deletion 8202 } 8203 } 8204 } 8205 8206 private boolean setPermissions() { 8207 // TODO Do this in a more elegant way later on. for now just a hack 8208 if (!isFwdLocked()) { 8209 final int filePermissions = 8210 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8211 |FileUtils.S_IROTH; 8212 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8213 if (retCode != 0) { 8214 Slog.e(TAG, "Couldn't set new package file permissions for " + 8215 getCodePath() 8216 + ". The return code was: " + retCode); 8217 // TODO Define new internal error 8218 return false; 8219 } 8220 return true; 8221 } 8222 return true; 8223 } 8224 8225 boolean doPostDeleteLI(boolean delete) { 8226 // XXX err, shouldn't we respect the delete flag? 8227 cleanUpResourcesLI(); 8228 return true; 8229 } 8230 } 8231 8232 private boolean isAsecExternal(String cid) { 8233 final String asecPath = PackageHelper.getSdFilesystem(cid); 8234 return !asecPath.startsWith(mAsecInternalPath); 8235 } 8236 8237 /** 8238 * Extract the MountService "container ID" from the full code path of an 8239 * .apk. 8240 */ 8241 static String cidFromCodePath(String fullCodePath) { 8242 int eidx = fullCodePath.lastIndexOf("/"); 8243 String subStr1 = fullCodePath.substring(0, eidx); 8244 int sidx = subStr1.lastIndexOf("/"); 8245 return subStr1.substring(sidx+1, eidx); 8246 } 8247 8248 class AsecInstallArgs extends InstallArgs { 8249 static final String RES_FILE_NAME = "pkg.apk"; 8250 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8251 8252 String cid; 8253 String packagePath; 8254 String resourcePath; 8255 String libraryPath; 8256 8257 AsecInstallArgs(InstallParams params) { 8258 super(params.getPackageUri(), params.observer, params.flags, 8259 params.installerPackageName, params.getManifestDigest(), 8260 params.getUser()); 8261 } 8262 8263 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8264 boolean isExternal, boolean isForwardLocked) { 8265 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8266 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8267 null, null, null); 8268 // Extract cid from fullCodePath 8269 int eidx = fullCodePath.lastIndexOf("/"); 8270 String subStr1 = fullCodePath.substring(0, eidx); 8271 int sidx = subStr1.lastIndexOf("/"); 8272 cid = subStr1.substring(sidx+1, eidx); 8273 setCachePath(subStr1); 8274 } 8275 8276 AsecInstallArgs(String cid, boolean isForwardLocked) { 8277 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8278 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8279 null, null, null); 8280 this.cid = cid; 8281 setCachePath(PackageHelper.getSdDir(cid)); 8282 } 8283 8284 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8285 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8286 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8287 null, null, null); 8288 this.cid = cid; 8289 } 8290 8291 void createCopyFile() { 8292 cid = getTempContainerId(); 8293 } 8294 8295 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8296 try { 8297 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8298 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8299 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8300 } finally { 8301 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8302 } 8303 } 8304 8305 private final boolean isExternal() { 8306 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8307 } 8308 8309 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8310 if (temp) { 8311 createCopyFile(); 8312 } else { 8313 /* 8314 * Pre-emptively destroy the container since it's destroyed if 8315 * copying fails due to it existing anyway. 8316 */ 8317 PackageHelper.destroySdDir(cid); 8318 } 8319 8320 final String newCachePath; 8321 try { 8322 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8323 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8324 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8325 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8326 } finally { 8327 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8328 } 8329 8330 if (newCachePath != null) { 8331 setCachePath(newCachePath); 8332 return PackageManager.INSTALL_SUCCEEDED; 8333 } else { 8334 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8335 } 8336 } 8337 8338 @Override 8339 String getCodePath() { 8340 return packagePath; 8341 } 8342 8343 @Override 8344 String getResourcePath() { 8345 return resourcePath; 8346 } 8347 8348 @Override 8349 String getNativeLibraryPath() { 8350 return libraryPath; 8351 } 8352 8353 int doPreInstall(int status) { 8354 if (status != PackageManager.INSTALL_SUCCEEDED) { 8355 // Destroy container 8356 PackageHelper.destroySdDir(cid); 8357 } else { 8358 boolean mounted = PackageHelper.isContainerMounted(cid); 8359 if (!mounted) { 8360 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8361 Process.SYSTEM_UID); 8362 if (newCachePath != null) { 8363 setCachePath(newCachePath); 8364 } else { 8365 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8366 } 8367 } 8368 } 8369 return status; 8370 } 8371 8372 boolean doRename(int status, final String pkgName, 8373 String oldCodePath) { 8374 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8375 String newCachePath = null; 8376 if (PackageHelper.isContainerMounted(cid)) { 8377 // Unmount the container 8378 if (!PackageHelper.unMountSdDir(cid)) { 8379 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8380 return false; 8381 } 8382 } 8383 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8384 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8385 " which might be stale. Will try to clean up."); 8386 // Clean up the stale container and proceed to recreate. 8387 if (!PackageHelper.destroySdDir(newCacheId)) { 8388 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8389 return false; 8390 } 8391 // Successfully cleaned up stale container. Try to rename again. 8392 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8393 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8394 + " inspite of cleaning it up."); 8395 return false; 8396 } 8397 } 8398 if (!PackageHelper.isContainerMounted(newCacheId)) { 8399 Slog.w(TAG, "Mounting container " + newCacheId); 8400 newCachePath = PackageHelper.mountSdDir(newCacheId, 8401 getEncryptKey(), Process.SYSTEM_UID); 8402 } else { 8403 newCachePath = PackageHelper.getSdDir(newCacheId); 8404 } 8405 if (newCachePath == null) { 8406 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8407 return false; 8408 } 8409 Log.i(TAG, "Succesfully renamed " + cid + 8410 " to " + newCacheId + 8411 " at new path: " + newCachePath); 8412 cid = newCacheId; 8413 setCachePath(newCachePath); 8414 return true; 8415 } 8416 8417 private void setCachePath(String newCachePath) { 8418 File cachePath = new File(newCachePath); 8419 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8420 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8421 8422 if (isFwdLocked()) { 8423 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8424 } else { 8425 resourcePath = packagePath; 8426 } 8427 } 8428 8429 int doPostInstall(int status, int uid) { 8430 if (status != PackageManager.INSTALL_SUCCEEDED) { 8431 cleanUp(); 8432 } else { 8433 final int groupOwner; 8434 final String protectedFile; 8435 if (isFwdLocked()) { 8436 groupOwner = UserHandle.getSharedAppGid(uid); 8437 protectedFile = RES_FILE_NAME; 8438 } else { 8439 groupOwner = -1; 8440 protectedFile = null; 8441 } 8442 8443 if (uid < Process.FIRST_APPLICATION_UID 8444 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8445 Slog.e(TAG, "Failed to finalize " + cid); 8446 PackageHelper.destroySdDir(cid); 8447 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8448 } 8449 8450 boolean mounted = PackageHelper.isContainerMounted(cid); 8451 if (!mounted) { 8452 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8453 } 8454 } 8455 return status; 8456 } 8457 8458 private void cleanUp() { 8459 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8460 8461 // Destroy secure container 8462 PackageHelper.destroySdDir(cid); 8463 } 8464 8465 void cleanUpResourcesLI() { 8466 String sourceFile = getCodePath(); 8467 // Remove dex file 8468 int retCode = mInstaller.rmdex(sourceFile); 8469 if (retCode < 0) { 8470 Slog.w(TAG, "Couldn't remove dex file for package: " 8471 + " at location " 8472 + sourceFile.toString() + ", retcode=" + retCode); 8473 // we don't consider this to be a failure of the core package deletion 8474 } 8475 cleanUp(); 8476 } 8477 8478 boolean matchContainer(String app) { 8479 if (cid.startsWith(app)) { 8480 return true; 8481 } 8482 return false; 8483 } 8484 8485 String getPackageName() { 8486 return getAsecPackageName(cid); 8487 } 8488 8489 boolean doPostDeleteLI(boolean delete) { 8490 boolean ret = false; 8491 boolean mounted = PackageHelper.isContainerMounted(cid); 8492 if (mounted) { 8493 // Unmount first 8494 ret = PackageHelper.unMountSdDir(cid); 8495 } 8496 if (ret && delete) { 8497 cleanUpResourcesLI(); 8498 } 8499 return ret; 8500 } 8501 8502 @Override 8503 int doPreCopy() { 8504 if (isFwdLocked()) { 8505 if (!PackageHelper.fixSdPermissions(cid, 8506 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8507 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8508 } 8509 } 8510 8511 return PackageManager.INSTALL_SUCCEEDED; 8512 } 8513 8514 @Override 8515 int doPostCopy(int uid) { 8516 if (isFwdLocked()) { 8517 if (uid < Process.FIRST_APPLICATION_UID 8518 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8519 RES_FILE_NAME)) { 8520 Slog.e(TAG, "Failed to finalize " + cid); 8521 PackageHelper.destroySdDir(cid); 8522 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8523 } 8524 } 8525 8526 return PackageManager.INSTALL_SUCCEEDED; 8527 } 8528 }; 8529 8530 static String getAsecPackageName(String packageCid) { 8531 int idx = packageCid.lastIndexOf("-"); 8532 if (idx == -1) { 8533 return packageCid; 8534 } 8535 return packageCid.substring(0, idx); 8536 } 8537 8538 // Utility method used to create code paths based on package name and available index. 8539 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8540 String idxStr = ""; 8541 int idx = 1; 8542 // Fall back to default value of idx=1 if prefix is not 8543 // part of oldCodePath 8544 if (oldCodePath != null) { 8545 String subStr = oldCodePath; 8546 // Drop the suffix right away 8547 if (subStr.endsWith(suffix)) { 8548 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8549 } 8550 // If oldCodePath already contains prefix find out the 8551 // ending index to either increment or decrement. 8552 int sidx = subStr.lastIndexOf(prefix); 8553 if (sidx != -1) { 8554 subStr = subStr.substring(sidx + prefix.length()); 8555 if (subStr != null) { 8556 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8557 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8558 } 8559 try { 8560 idx = Integer.parseInt(subStr); 8561 if (idx <= 1) { 8562 idx++; 8563 } else { 8564 idx--; 8565 } 8566 } catch(NumberFormatException e) { 8567 } 8568 } 8569 } 8570 } 8571 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8572 return prefix + idxStr; 8573 } 8574 8575 // Utility method used to ignore ADD/REMOVE events 8576 // by directory observer. 8577 private static boolean ignoreCodePath(String fullPathStr) { 8578 String apkName = getApkName(fullPathStr); 8579 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8580 if (idx != -1 && ((idx+1) < apkName.length())) { 8581 // Make sure the package ends with a numeral 8582 String version = apkName.substring(idx+1); 8583 try { 8584 Integer.parseInt(version); 8585 return true; 8586 } catch (NumberFormatException e) {} 8587 } 8588 return false; 8589 } 8590 8591 // Utility method that returns the relative package path with respect 8592 // to the installation directory. Like say for /data/data/com.test-1.apk 8593 // string com.test-1 is returned. 8594 static String getApkName(String codePath) { 8595 if (codePath == null) { 8596 return null; 8597 } 8598 int sidx = codePath.lastIndexOf("/"); 8599 int eidx = codePath.lastIndexOf("."); 8600 if (eidx == -1) { 8601 eidx = codePath.length(); 8602 } else if (eidx == 0) { 8603 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8604 return null; 8605 } 8606 return codePath.substring(sidx+1, eidx); 8607 } 8608 8609 class PackageInstalledInfo { 8610 String name; 8611 int uid; 8612 // The set of users that originally had this package installed. 8613 int[] origUsers; 8614 // The set of users that now have this package installed. 8615 int[] newUsers; 8616 PackageParser.Package pkg; 8617 int returnCode; 8618 PackageRemovedInfo removedInfo; 8619 } 8620 8621 /* 8622 * Install a non-existing package. 8623 */ 8624 private void installNewPackageLI(PackageParser.Package pkg, 8625 int parseFlags, int scanMode, UserHandle user, 8626 String installerPackageName, PackageInstalledInfo res) { 8627 // Remember this for later, in case we need to rollback this install 8628 String pkgName = pkg.packageName; 8629 8630 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8631 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8632 synchronized(mPackages) { 8633 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8634 // A package with the same name is already installed, though 8635 // it has been renamed to an older name. The package we 8636 // are trying to install should be installed as an update to 8637 // the existing one, but that has not been requested, so bail. 8638 Slog.w(TAG, "Attempt to re-install " + pkgName 8639 + " without first uninstalling package running as " 8640 + mSettings.mRenamedPackages.get(pkgName)); 8641 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8642 return; 8643 } 8644 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8645 // Don't allow installation over an existing package with the same name. 8646 Slog.w(TAG, "Attempt to re-install " + pkgName 8647 + " without first uninstalling."); 8648 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8649 return; 8650 } 8651 } 8652 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8653 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8654 System.currentTimeMillis(), user); 8655 if (newPackage == null) { 8656 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8657 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8658 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8659 } 8660 } else { 8661 updateSettingsLI(newPackage, 8662 installerPackageName, 8663 null, null, 8664 res); 8665 // delete the partially installed application. the data directory will have to be 8666 // restored if it was already existing 8667 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8668 // remove package from internal structures. Note that we want deletePackageX to 8669 // delete the package data and cache directories that it created in 8670 // scanPackageLocked, unless those directories existed before we even tried to 8671 // install. 8672 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8673 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8674 res.removedInfo, true); 8675 } 8676 } 8677 } 8678 8679 private void replacePackageLI(PackageParser.Package pkg, 8680 int parseFlags, int scanMode, UserHandle user, 8681 String installerPackageName, PackageInstalledInfo res) { 8682 8683 PackageParser.Package oldPackage; 8684 String pkgName = pkg.packageName; 8685 int[] allUsers; 8686 boolean[] perUserInstalled; 8687 8688 // First find the old package info and check signatures 8689 synchronized(mPackages) { 8690 oldPackage = mPackages.get(pkgName); 8691 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8692 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8693 != PackageManager.SIGNATURE_MATCH) { 8694 Slog.w(TAG, "New package has a different signature: " + pkgName); 8695 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8696 return; 8697 } 8698 8699 // In case of rollback, remember per-user/profile install state 8700 PackageSetting ps = mSettings.mPackages.get(pkgName); 8701 allUsers = sUserManager.getUserIds(); 8702 perUserInstalled = new boolean[allUsers.length]; 8703 for (int i = 0; i < allUsers.length; i++) { 8704 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8705 } 8706 } 8707 boolean sysPkg = (isSystemApp(oldPackage)); 8708 if (sysPkg) { 8709 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8710 user, allUsers, perUserInstalled, installerPackageName, res); 8711 } else { 8712 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8713 user, allUsers, perUserInstalled, installerPackageName, res); 8714 } 8715 } 8716 8717 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8718 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8719 int[] allUsers, boolean[] perUserInstalled, 8720 String installerPackageName, PackageInstalledInfo res) { 8721 PackageParser.Package newPackage = null; 8722 String pkgName = deletedPackage.packageName; 8723 boolean deletedPkg = true; 8724 boolean updatedSettings = false; 8725 8726 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8727 + deletedPackage); 8728 long origUpdateTime; 8729 if (pkg.mExtras != null) { 8730 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8731 } else { 8732 origUpdateTime = 0; 8733 } 8734 8735 // First delete the existing package while retaining the data directory 8736 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8737 res.removedInfo, true)) { 8738 // If the existing package wasn't successfully deleted 8739 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8740 deletedPkg = false; 8741 } else { 8742 // Successfully deleted the old package. Now proceed with re-installation 8743 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8744 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8745 System.currentTimeMillis(), user); 8746 if (newPackage == null) { 8747 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8748 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8749 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8750 } 8751 } else { 8752 updateSettingsLI(newPackage, 8753 installerPackageName, 8754 allUsers, perUserInstalled, 8755 res); 8756 updatedSettings = true; 8757 } 8758 } 8759 8760 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8761 // remove package from internal structures. Note that we want deletePackageX to 8762 // delete the package data and cache directories that it created in 8763 // scanPackageLocked, unless those directories existed before we even tried to 8764 // install. 8765 if(updatedSettings) { 8766 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8767 deletePackageLI( 8768 pkgName, null, true, allUsers, perUserInstalled, 8769 PackageManager.DELETE_KEEP_DATA, 8770 res.removedInfo, true); 8771 } 8772 // Since we failed to install the new package we need to restore the old 8773 // package that we deleted. 8774 if(deletedPkg) { 8775 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 8776 File restoreFile = new File(deletedPackage.mPath); 8777 // Parse old package 8778 boolean oldOnSd = isExternal(deletedPackage); 8779 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 8780 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 8781 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 8782 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 8783 | SCAN_UPDATE_TIME; 8784 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 8785 origUpdateTime, null) == null) { 8786 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 8787 return; 8788 } 8789 // Restore of old package succeeded. Update permissions. 8790 // writer 8791 synchronized (mPackages) { 8792 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 8793 UPDATE_PERMISSIONS_ALL); 8794 // can downgrade to reader 8795 mSettings.writeLPr(); 8796 } 8797 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 8798 } 8799 } 8800 } 8801 8802 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 8803 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8804 int[] allUsers, boolean[] perUserInstalled, 8805 String installerPackageName, PackageInstalledInfo res) { 8806 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 8807 + ", old=" + deletedPackage); 8808 PackageParser.Package newPackage = null; 8809 boolean updatedSettings = false; 8810 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 8811 PackageParser.PARSE_IS_SYSTEM; 8812 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 8813 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8814 } 8815 String packageName = deletedPackage.packageName; 8816 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8817 if (packageName == null) { 8818 Slog.w(TAG, "Attempt to delete null packageName."); 8819 return; 8820 } 8821 PackageParser.Package oldPkg; 8822 PackageSetting oldPkgSetting; 8823 // reader 8824 synchronized (mPackages) { 8825 oldPkg = mPackages.get(packageName); 8826 oldPkgSetting = mSettings.mPackages.get(packageName); 8827 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 8828 (oldPkgSetting == null)) { 8829 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 8830 return; 8831 } 8832 } 8833 8834 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 8835 8836 res.removedInfo.uid = oldPkg.applicationInfo.uid; 8837 res.removedInfo.removedPackage = packageName; 8838 // Remove existing system package 8839 removePackageLI(oldPkgSetting, true); 8840 // writer 8841 synchronized (mPackages) { 8842 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 8843 // We didn't need to disable the .apk as a current system package, 8844 // which means we are replacing another update that is already 8845 // installed. We need to make sure to delete the older one's .apk. 8846 res.removedInfo.args = createInstallArgs(0, 8847 deletedPackage.applicationInfo.sourceDir, 8848 deletedPackage.applicationInfo.publicSourceDir, 8849 deletedPackage.applicationInfo.nativeLibraryDir); 8850 } else { 8851 res.removedInfo.args = null; 8852 } 8853 } 8854 8855 // Successfully disabled the old package. Now proceed with re-installation 8856 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8857 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8858 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 8859 if (newPackage == null) { 8860 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8861 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8862 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8863 } 8864 } else { 8865 if (newPackage.mExtras != null) { 8866 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 8867 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 8868 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 8869 } 8870 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 8871 updatedSettings = true; 8872 } 8873 8874 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8875 // Re installation failed. Restore old information 8876 // Remove new pkg information 8877 if (newPackage != null) { 8878 removeInstalledPackageLI(newPackage, true); 8879 } 8880 // Add back the old system package 8881 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 8882 // Restore the old system information in Settings 8883 synchronized(mPackages) { 8884 if (updatedSettings) { 8885 mSettings.enableSystemPackageLPw(packageName); 8886 mSettings.setInstallerPackageName(packageName, 8887 oldPkgSetting.installerPackageName); 8888 } 8889 mSettings.writeLPr(); 8890 } 8891 } 8892 } 8893 8894 // Utility method used to move dex files during install. 8895 private int moveDexFilesLI(PackageParser.Package newPackage) { 8896 int retCode; 8897 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 8898 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 8899 if (retCode != 0) { 8900 if (mNoDexOpt) { 8901 /* 8902 * If we're in an engineering build, programs are lazily run 8903 * through dexopt. If the .dex file doesn't exist yet, it 8904 * will be created when the program is run next. 8905 */ 8906 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 8907 } else { 8908 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 8909 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8910 } 8911 } 8912 } 8913 return PackageManager.INSTALL_SUCCEEDED; 8914 } 8915 8916 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 8917 int[] allUsers, boolean[] perUserInstalled, 8918 PackageInstalledInfo res) { 8919 String pkgName = newPackage.packageName; 8920 synchronized (mPackages) { 8921 //write settings. the installStatus will be incomplete at this stage. 8922 //note that the new package setting would have already been 8923 //added to mPackages. It hasn't been persisted yet. 8924 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 8925 mSettings.writeLPr(); 8926 } 8927 8928 if ((res.returnCode = moveDexFilesLI(newPackage)) 8929 != PackageManager.INSTALL_SUCCEEDED) { 8930 // Discontinue if moving dex files failed. 8931 return; 8932 } 8933 8934 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 8935 8936 synchronized (mPackages) { 8937 updatePermissionsLPw(newPackage.packageName, newPackage, 8938 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 8939 ? UPDATE_PERMISSIONS_ALL : 0)); 8940 // For system-bundled packages, we assume that installing an upgraded version 8941 // of the package implies that the user actually wants to run that new code, 8942 // so we enable the package. 8943 if (isSystemApp(newPackage)) { 8944 // NB: implicit assumption that system package upgrades apply to all users 8945 if (DEBUG_INSTALL) { 8946 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 8947 } 8948 PackageSetting ps = mSettings.mPackages.get(pkgName); 8949 if (ps != null) { 8950 if (res.origUsers != null) { 8951 for (int userHandle : res.origUsers) { 8952 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 8953 userHandle, installerPackageName); 8954 } 8955 } 8956 // Also convey the prior install/uninstall state 8957 if (allUsers != null && perUserInstalled != null) { 8958 for (int i = 0; i < allUsers.length; i++) { 8959 if (DEBUG_INSTALL) { 8960 Slog.d(TAG, " user " + allUsers[i] 8961 + " => " + perUserInstalled[i]); 8962 } 8963 ps.setInstalled(perUserInstalled[i], allUsers[i]); 8964 } 8965 // these install state changes will be persisted in the 8966 // upcoming call to mSettings.writeLPr(). 8967 } 8968 } 8969 } 8970 res.name = pkgName; 8971 res.uid = newPackage.applicationInfo.uid; 8972 res.pkg = newPackage; 8973 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 8974 mSettings.setInstallerPackageName(pkgName, installerPackageName); 8975 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 8976 //to update install status 8977 mSettings.writeLPr(); 8978 } 8979 } 8980 8981 private void installPackageLI(InstallArgs args, 8982 boolean newInstall, PackageInstalledInfo res) { 8983 int pFlags = args.flags; 8984 String installerPackageName = args.installerPackageName; 8985 File tmpPackageFile = new File(args.getCodePath()); 8986 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 8987 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 8988 boolean replace = false; 8989 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 8990 | (newInstall ? SCAN_NEW_INSTALL : 0); 8991 // Result object to be returned 8992 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 8993 8994 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 8995 // Retrieve PackageSettings and parse package 8996 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 8997 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 8998 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 8999 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9000 pp.setSeparateProcesses(mSeparateProcesses); 9001 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9002 null, mMetrics, parseFlags); 9003 if (pkg == null) { 9004 res.returnCode = pp.getParseError(); 9005 return; 9006 } 9007 String pkgName = res.name = pkg.packageName; 9008 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9009 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9010 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9011 return; 9012 } 9013 } 9014 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9015 res.returnCode = pp.getParseError(); 9016 return; 9017 } 9018 9019 /* If the installer passed in a manifest digest, compare it now. */ 9020 if (args.manifestDigest != null) { 9021 if (DEBUG_INSTALL) { 9022 final String parsedManifest = pkg.manifestDigest == null ? "null" 9023 : pkg.manifestDigest.toString(); 9024 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9025 + parsedManifest); 9026 } 9027 9028 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9029 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9030 return; 9031 } 9032 } else if (DEBUG_INSTALL) { 9033 final String parsedManifest = pkg.manifestDigest == null 9034 ? "null" : pkg.manifestDigest.toString(); 9035 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9036 } 9037 9038 // Get rid of all references to package scan path via parser. 9039 pp = null; 9040 String oldCodePath = null; 9041 boolean systemApp = false; 9042 synchronized (mPackages) { 9043 // Check if installing already existing package 9044 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9045 String oldName = mSettings.mRenamedPackages.get(pkgName); 9046 if (pkg.mOriginalPackages != null 9047 && pkg.mOriginalPackages.contains(oldName) 9048 && mPackages.containsKey(oldName)) { 9049 // This package is derived from an original package, 9050 // and this device has been updating from that original 9051 // name. We must continue using the original name, so 9052 // rename the new package here. 9053 pkg.setPackageName(oldName); 9054 pkgName = pkg.packageName; 9055 replace = true; 9056 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9057 + oldName + " pkgName=" + pkgName); 9058 } else if (mPackages.containsKey(pkgName)) { 9059 // This package, under its official name, already exists 9060 // on the device; we should replace it. 9061 replace = true; 9062 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9063 } 9064 } 9065 PackageSetting ps = mSettings.mPackages.get(pkgName); 9066 if (ps != null) { 9067 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9068 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9069 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9070 systemApp = (ps.pkg.applicationInfo.flags & 9071 ApplicationInfo.FLAG_SYSTEM) != 0; 9072 } 9073 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9074 } 9075 } 9076 9077 if (systemApp && onSd) { 9078 // Disable updates to system apps on sdcard 9079 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9080 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9081 return; 9082 } 9083 9084 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9085 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9086 return; 9087 } 9088 // Set application objects path explicitly after the rename 9089 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9090 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9091 if (replace) { 9092 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9093 installerPackageName, res); 9094 } else { 9095 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9096 installerPackageName, res); 9097 } 9098 synchronized (mPackages) { 9099 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9100 if (ps != null) { 9101 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9102 } 9103 } 9104 } 9105 9106 private static boolean isForwardLocked(PackageParser.Package pkg) { 9107 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9108 } 9109 9110 9111 private boolean isForwardLocked(PackageSetting ps) { 9112 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9113 } 9114 9115 private static boolean isExternal(PackageParser.Package pkg) { 9116 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9117 } 9118 9119 private static boolean isExternal(PackageSetting ps) { 9120 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9121 } 9122 9123 private static boolean isSystemApp(PackageParser.Package pkg) { 9124 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9125 } 9126 9127 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9128 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9129 } 9130 9131 private static boolean isSystemApp(ApplicationInfo info) { 9132 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9133 } 9134 9135 private static boolean isSystemApp(PackageSetting ps) { 9136 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9137 } 9138 9139 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9140 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9141 } 9142 9143 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9144 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9145 } 9146 9147 private int packageFlagsToInstallFlags(PackageSetting ps) { 9148 int installFlags = 0; 9149 if (isExternal(ps)) { 9150 installFlags |= PackageManager.INSTALL_EXTERNAL; 9151 } 9152 if (isForwardLocked(ps)) { 9153 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9154 } 9155 return installFlags; 9156 } 9157 9158 private void deleteTempPackageFiles() { 9159 final FilenameFilter filter = new FilenameFilter() { 9160 public boolean accept(File dir, String name) { 9161 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9162 } 9163 }; 9164 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9165 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9166 } 9167 9168 private static final void deleteTempPackageFilesInDirectory(File directory, 9169 FilenameFilter filter) { 9170 final String[] tmpFilesList = directory.list(filter); 9171 if (tmpFilesList == null) { 9172 return; 9173 } 9174 for (int i = 0; i < tmpFilesList.length; i++) { 9175 final File tmpFile = new File(directory, tmpFilesList[i]); 9176 tmpFile.delete(); 9177 } 9178 } 9179 9180 private File createTempPackageFile(File installDir) { 9181 File tmpPackageFile; 9182 try { 9183 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9184 } catch (IOException e) { 9185 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9186 return null; 9187 } 9188 try { 9189 FileUtils.setPermissions( 9190 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9191 -1, -1); 9192 if (!SELinux.restorecon(tmpPackageFile)) { 9193 return null; 9194 } 9195 } catch (IOException e) { 9196 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9197 return null; 9198 } 9199 return tmpPackageFile; 9200 } 9201 9202 @Override 9203 public void deletePackageAsUser(final String packageName, 9204 final IPackageDeleteObserver observer, 9205 final int userId, final int flags) { 9206 mContext.enforceCallingOrSelfPermission( 9207 android.Manifest.permission.DELETE_PACKAGES, null); 9208 final int uid = Binder.getCallingUid(); 9209 if (UserHandle.getUserId(uid) != userId) { 9210 mContext.enforceCallingPermission( 9211 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9212 "deletePackage for user " + userId); 9213 } 9214 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9215 try { 9216 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9217 } catch (RemoteException re) { 9218 } 9219 return; 9220 } 9221 9222 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9223 // Queue up an async operation since the package deletion may take a little while. 9224 mHandler.post(new Runnable() { 9225 public void run() { 9226 mHandler.removeCallbacks(this); 9227 final int returnCode = deletePackageX(packageName, userId, flags); 9228 if (observer != null) { 9229 try { 9230 observer.packageDeleted(packageName, returnCode); 9231 } catch (RemoteException e) { 9232 Log.i(TAG, "Observer no longer exists."); 9233 } //end catch 9234 } //end if 9235 } //end run 9236 }); 9237 } 9238 9239 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9240 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9241 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9242 try { 9243 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9244 || dpm.isDeviceOwner(packageName))) { 9245 return true; 9246 } 9247 } catch (RemoteException e) { 9248 } 9249 return false; 9250 } 9251 9252 /** 9253 * This method is an internal method that could be get invoked either 9254 * to delete an installed package or to clean up a failed installation. 9255 * After deleting an installed package, a broadcast is sent to notify any 9256 * listeners that the package has been installed. For cleaning up a failed 9257 * installation, the broadcast is not necessary since the package's 9258 * installation wouldn't have sent the initial broadcast either 9259 * The key steps in deleting a package are 9260 * deleting the package information in internal structures like mPackages, 9261 * deleting the packages base directories through installd 9262 * updating mSettings to reflect current status 9263 * persisting settings for later use 9264 * sending a broadcast if necessary 9265 */ 9266 private int deletePackageX(String packageName, int userId, int flags) { 9267 final PackageRemovedInfo info = new PackageRemovedInfo(); 9268 final boolean res; 9269 9270 if (isPackageDeviceAdmin(packageName, userId)) { 9271 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9272 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9273 } 9274 9275 boolean removedForAllUsers = false; 9276 boolean systemUpdate = false; 9277 9278 // for the uninstall-updates case and restricted profiles, remember the per- 9279 // userhandle installed state 9280 int[] allUsers; 9281 boolean[] perUserInstalled; 9282 synchronized (mPackages) { 9283 PackageSetting ps = mSettings.mPackages.get(packageName); 9284 allUsers = sUserManager.getUserIds(); 9285 perUserInstalled = new boolean[allUsers.length]; 9286 for (int i = 0; i < allUsers.length; i++) { 9287 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9288 } 9289 } 9290 9291 synchronized (mInstallLock) { 9292 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9293 res = deletePackageLI(packageName, 9294 (flags & PackageManager.DELETE_ALL_USERS) != 0 9295 ? UserHandle.ALL : new UserHandle(userId), 9296 true, allUsers, perUserInstalled, 9297 flags | REMOVE_CHATTY, info, true); 9298 systemUpdate = info.isRemovedPackageSystemUpdate; 9299 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9300 removedForAllUsers = true; 9301 } 9302 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9303 + " removedForAllUsers=" + removedForAllUsers); 9304 } 9305 9306 if (res) { 9307 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9308 9309 // If the removed package was a system update, the old system package 9310 // was re-enabled; we need to broadcast this information 9311 if (systemUpdate) { 9312 Bundle extras = new Bundle(1); 9313 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9314 ? info.removedAppId : info.uid); 9315 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9316 9317 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9318 extras, null, null, null); 9319 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9320 extras, null, null, null); 9321 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9322 null, packageName, null, null); 9323 } 9324 } 9325 // Force a gc here. 9326 Runtime.getRuntime().gc(); 9327 // Delete the resources here after sending the broadcast to let 9328 // other processes clean up before deleting resources. 9329 if (info.args != null) { 9330 synchronized (mInstallLock) { 9331 info.args.doPostDeleteLI(true); 9332 } 9333 } 9334 9335 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9336 } 9337 9338 static class PackageRemovedInfo { 9339 String removedPackage; 9340 int uid = -1; 9341 int removedAppId = -1; 9342 int[] removedUsers = null; 9343 boolean isRemovedPackageSystemUpdate = false; 9344 // Clean up resources deleted packages. 9345 InstallArgs args = null; 9346 9347 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9348 Bundle extras = new Bundle(1); 9349 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9350 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9351 if (replacing) { 9352 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9353 } 9354 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9355 if (removedPackage != null) { 9356 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9357 extras, null, null, removedUsers); 9358 if (fullRemove && !replacing) { 9359 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9360 extras, null, null, removedUsers); 9361 } 9362 } 9363 if (removedAppId >= 0) { 9364 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9365 removedUsers); 9366 } 9367 } 9368 } 9369 9370 /* 9371 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9372 * flag is not set, the data directory is removed as well. 9373 * make sure this flag is set for partially installed apps. If not its meaningless to 9374 * delete a partially installed application. 9375 */ 9376 private void removePackageDataLI(PackageSetting ps, 9377 int[] allUserHandles, boolean[] perUserInstalled, 9378 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9379 String packageName = ps.name; 9380 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9381 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9382 // Retrieve object to delete permissions for shared user later on 9383 final PackageSetting deletedPs; 9384 // reader 9385 synchronized (mPackages) { 9386 deletedPs = mSettings.mPackages.get(packageName); 9387 if (outInfo != null) { 9388 outInfo.removedPackage = packageName; 9389 outInfo.removedUsers = deletedPs != null 9390 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9391 : null; 9392 } 9393 } 9394 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9395 removeDataDirsLI(packageName); 9396 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9397 } 9398 // writer 9399 synchronized (mPackages) { 9400 if (deletedPs != null) { 9401 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9402 if (outInfo != null) { 9403 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9404 } 9405 if (deletedPs != null) { 9406 updatePermissionsLPw(deletedPs.name, null, 0); 9407 if (deletedPs.sharedUser != null) { 9408 // remove permissions associated with package 9409 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9410 } 9411 } 9412 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9413 } 9414 // make sure to preserve per-user disabled state if this removal was just 9415 // a downgrade of a system app to the factory package 9416 if (allUserHandles != null && perUserInstalled != null) { 9417 if (DEBUG_REMOVE) { 9418 Slog.d(TAG, "Propagating install state across downgrade"); 9419 } 9420 for (int i = 0; i < allUserHandles.length; i++) { 9421 if (DEBUG_REMOVE) { 9422 Slog.d(TAG, " user " + allUserHandles[i] 9423 + " => " + perUserInstalled[i]); 9424 } 9425 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9426 } 9427 } 9428 } 9429 // can downgrade to reader 9430 if (writeSettings) { 9431 // Save settings now 9432 mSettings.writeLPr(); 9433 } 9434 } 9435 if (outInfo != null) { 9436 // A user ID was deleted here. Go through all users and remove it 9437 // from KeyStore. 9438 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9439 } 9440 } 9441 9442 static boolean locationIsPrivileged(File path) { 9443 try { 9444 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9445 .getCanonicalPath(); 9446 return path.getCanonicalPath().startsWith(privilegedAppDir); 9447 } catch (IOException e) { 9448 Slog.e(TAG, "Unable to access code path " + path); 9449 } 9450 return false; 9451 } 9452 9453 /* 9454 * Tries to delete system package. 9455 */ 9456 private boolean deleteSystemPackageLI(PackageSetting newPs, 9457 int[] allUserHandles, boolean[] perUserInstalled, 9458 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9459 final boolean applyUserRestrictions 9460 = (allUserHandles != null) && (perUserInstalled != null); 9461 PackageSetting disabledPs = null; 9462 // Confirm if the system package has been updated 9463 // An updated system app can be deleted. This will also have to restore 9464 // the system pkg from system partition 9465 // reader 9466 synchronized (mPackages) { 9467 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9468 } 9469 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9470 + " disabledPs=" + disabledPs); 9471 if (disabledPs == null) { 9472 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9473 return false; 9474 } else if (DEBUG_REMOVE) { 9475 Slog.d(TAG, "Deleting system pkg from data partition"); 9476 } 9477 if (DEBUG_REMOVE) { 9478 if (applyUserRestrictions) { 9479 Slog.d(TAG, "Remembering install states:"); 9480 for (int i = 0; i < allUserHandles.length; i++) { 9481 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9482 } 9483 } 9484 } 9485 // Delete the updated package 9486 outInfo.isRemovedPackageSystemUpdate = true; 9487 if (disabledPs.versionCode < newPs.versionCode) { 9488 // Delete data for downgrades 9489 flags &= ~PackageManager.DELETE_KEEP_DATA; 9490 } else { 9491 // Preserve data by setting flag 9492 flags |= PackageManager.DELETE_KEEP_DATA; 9493 } 9494 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9495 allUserHandles, perUserInstalled, outInfo, writeSettings); 9496 if (!ret) { 9497 return false; 9498 } 9499 // writer 9500 synchronized (mPackages) { 9501 // Reinstate the old system package 9502 mSettings.enableSystemPackageLPw(newPs.name); 9503 // Remove any native libraries from the upgraded package. 9504 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9505 } 9506 // Install the system package 9507 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9508 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9509 if (locationIsPrivileged(disabledPs.codePath)) { 9510 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9511 } 9512 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9513 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9514 9515 if (newPkg == null) { 9516 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9517 + " with error:" + mLastScanError); 9518 return false; 9519 } 9520 // writer 9521 synchronized (mPackages) { 9522 updatePermissionsLPw(newPkg.packageName, newPkg, 9523 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9524 if (applyUserRestrictions) { 9525 if (DEBUG_REMOVE) { 9526 Slog.d(TAG, "Propagating install state across reinstall"); 9527 } 9528 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9529 for (int i = 0; i < allUserHandles.length; i++) { 9530 if (DEBUG_REMOVE) { 9531 Slog.d(TAG, " user " + allUserHandles[i] 9532 + " => " + perUserInstalled[i]); 9533 } 9534 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9535 } 9536 // Regardless of writeSettings we need to ensure that this restriction 9537 // state propagation is persisted 9538 mSettings.writeAllUsersPackageRestrictionsLPr(); 9539 } 9540 // can downgrade to reader here 9541 if (writeSettings) { 9542 mSettings.writeLPr(); 9543 } 9544 } 9545 return true; 9546 } 9547 9548 private boolean deleteInstalledPackageLI(PackageSetting ps, 9549 boolean deleteCodeAndResources, int flags, 9550 int[] allUserHandles, boolean[] perUserInstalled, 9551 PackageRemovedInfo outInfo, boolean writeSettings) { 9552 if (outInfo != null) { 9553 outInfo.uid = ps.appId; 9554 } 9555 9556 // Delete package data from internal structures and also remove data if flag is set 9557 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9558 9559 // Delete application code and resources 9560 if (deleteCodeAndResources && (outInfo != null)) { 9561 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9562 ps.resourcePathString, ps.nativeLibraryPathString); 9563 } 9564 return true; 9565 } 9566 9567 /* 9568 * This method handles package deletion in general 9569 */ 9570 private boolean deletePackageLI(String packageName, UserHandle user, 9571 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9572 int flags, PackageRemovedInfo outInfo, 9573 boolean writeSettings) { 9574 if (packageName == null) { 9575 Slog.w(TAG, "Attempt to delete null packageName."); 9576 return false; 9577 } 9578 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9579 PackageSetting ps; 9580 boolean dataOnly = false; 9581 int removeUser = -1; 9582 int appId = -1; 9583 synchronized (mPackages) { 9584 ps = mSettings.mPackages.get(packageName); 9585 if (ps == null) { 9586 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9587 return false; 9588 } 9589 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9590 && user.getIdentifier() != UserHandle.USER_ALL) { 9591 // The caller is asking that the package only be deleted for a single 9592 // user. To do this, we just mark its uninstalled state and delete 9593 // its data. If this is a system app, we only allow this to happen if 9594 // they have set the special DELETE_SYSTEM_APP which requests different 9595 // semantics than normal for uninstalling system apps. 9596 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9597 ps.setUserState(user.getIdentifier(), 9598 COMPONENT_ENABLED_STATE_DEFAULT, 9599 false, //installed 9600 true, //stopped 9601 true, //notLaunched 9602 false, //blocked 9603 null, null, null); 9604 if (!isSystemApp(ps)) { 9605 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9606 // Other user still have this package installed, so all 9607 // we need to do is clear this user's data and save that 9608 // it is uninstalled. 9609 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9610 removeUser = user.getIdentifier(); 9611 appId = ps.appId; 9612 mSettings.writePackageRestrictionsLPr(removeUser); 9613 } else { 9614 // We need to set it back to 'installed' so the uninstall 9615 // broadcasts will be sent correctly. 9616 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9617 ps.setInstalled(true, user.getIdentifier()); 9618 } 9619 } else { 9620 // This is a system app, so we assume that the 9621 // other users still have this package installed, so all 9622 // we need to do is clear this user's data and save that 9623 // it is uninstalled. 9624 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9625 removeUser = user.getIdentifier(); 9626 appId = ps.appId; 9627 mSettings.writePackageRestrictionsLPr(removeUser); 9628 } 9629 } 9630 } 9631 9632 if (removeUser >= 0) { 9633 // From above, we determined that we are deleting this only 9634 // for a single user. Continue the work here. 9635 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9636 if (outInfo != null) { 9637 outInfo.removedPackage = packageName; 9638 outInfo.removedAppId = appId; 9639 outInfo.removedUsers = new int[] {removeUser}; 9640 } 9641 mInstaller.clearUserData(packageName, removeUser); 9642 removeKeystoreDataIfNeeded(removeUser, appId); 9643 schedulePackageCleaning(packageName, removeUser, false); 9644 return true; 9645 } 9646 9647 if (dataOnly) { 9648 // Delete application data first 9649 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9650 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9651 return true; 9652 } 9653 9654 boolean ret = false; 9655 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9656 if (isSystemApp(ps)) { 9657 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9658 // When an updated system application is deleted we delete the existing resources as well and 9659 // fall back to existing code in system partition 9660 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9661 flags, outInfo, writeSettings); 9662 } else { 9663 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9664 // Kill application pre-emptively especially for apps on sd. 9665 killApplication(packageName, ps.appId, "uninstall pkg"); 9666 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9667 allUserHandles, perUserInstalled, 9668 outInfo, writeSettings); 9669 } 9670 9671 return ret; 9672 } 9673 9674 private final class ClearStorageConnection implements ServiceConnection { 9675 IMediaContainerService mContainerService; 9676 9677 @Override 9678 public void onServiceConnected(ComponentName name, IBinder service) { 9679 synchronized (this) { 9680 mContainerService = IMediaContainerService.Stub.asInterface(service); 9681 notifyAll(); 9682 } 9683 } 9684 9685 @Override 9686 public void onServiceDisconnected(ComponentName name) { 9687 } 9688 } 9689 9690 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9691 final boolean mounted; 9692 if (Environment.isExternalStorageEmulated()) { 9693 mounted = true; 9694 } else { 9695 final String status = Environment.getExternalStorageState(); 9696 9697 mounted = status.equals(Environment.MEDIA_MOUNTED) 9698 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9699 } 9700 9701 if (!mounted) { 9702 return; 9703 } 9704 9705 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9706 int[] users; 9707 if (userId == UserHandle.USER_ALL) { 9708 users = sUserManager.getUserIds(); 9709 } else { 9710 users = new int[] { userId }; 9711 } 9712 final ClearStorageConnection conn = new ClearStorageConnection(); 9713 if (mContext.bindServiceAsUser( 9714 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9715 try { 9716 for (int curUser : users) { 9717 long timeout = SystemClock.uptimeMillis() + 5000; 9718 synchronized (conn) { 9719 long now = SystemClock.uptimeMillis(); 9720 while (conn.mContainerService == null && now < timeout) { 9721 try { 9722 conn.wait(timeout - now); 9723 } catch (InterruptedException e) { 9724 } 9725 } 9726 } 9727 if (conn.mContainerService == null) { 9728 return; 9729 } 9730 9731 final UserEnvironment userEnv = new UserEnvironment(curUser); 9732 clearDirectory(conn.mContainerService, 9733 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9734 if (allData) { 9735 clearDirectory(conn.mContainerService, 9736 userEnv.buildExternalStorageAppDataDirs(packageName)); 9737 clearDirectory(conn.mContainerService, 9738 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9739 } 9740 } 9741 } finally { 9742 mContext.unbindService(conn); 9743 } 9744 } 9745 } 9746 9747 @Override 9748 public void clearApplicationUserData(final String packageName, 9749 final IPackageDataObserver observer, final int userId) { 9750 mContext.enforceCallingOrSelfPermission( 9751 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9752 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9753 // Queue up an async operation since the package deletion may take a little while. 9754 mHandler.post(new Runnable() { 9755 public void run() { 9756 mHandler.removeCallbacks(this); 9757 final boolean succeeded; 9758 synchronized (mInstallLock) { 9759 succeeded = clearApplicationUserDataLI(packageName, userId); 9760 } 9761 clearExternalStorageDataSync(packageName, userId, true); 9762 if (succeeded) { 9763 // invoke DeviceStorageMonitor's update method to clear any notifications 9764 DeviceStorageMonitorInternal 9765 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9766 if (dsm != null) { 9767 dsm.checkMemory(); 9768 } 9769 } 9770 if(observer != null) { 9771 try { 9772 observer.onRemoveCompleted(packageName, succeeded); 9773 } catch (RemoteException e) { 9774 Log.i(TAG, "Observer no longer exists."); 9775 } 9776 } //end if observer 9777 } //end run 9778 }); 9779 } 9780 9781 private boolean clearApplicationUserDataLI(String packageName, int userId) { 9782 if (packageName == null) { 9783 Slog.w(TAG, "Attempt to delete null packageName."); 9784 return false; 9785 } 9786 PackageParser.Package p; 9787 boolean dataOnly = false; 9788 final int appId; 9789 synchronized (mPackages) { 9790 p = mPackages.get(packageName); 9791 if (p == null) { 9792 dataOnly = true; 9793 PackageSetting ps = mSettings.mPackages.get(packageName); 9794 if ((ps == null) || (ps.pkg == null)) { 9795 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9796 return false; 9797 } 9798 p = ps.pkg; 9799 } 9800 if (!dataOnly) { 9801 // need to check this only for fully installed applications 9802 if (p == null) { 9803 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9804 return false; 9805 } 9806 final ApplicationInfo applicationInfo = p.applicationInfo; 9807 if (applicationInfo == null) { 9808 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9809 return false; 9810 } 9811 } 9812 if (p != null && p.applicationInfo != null) { 9813 appId = p.applicationInfo.uid; 9814 } else { 9815 appId = -1; 9816 } 9817 } 9818 int retCode = mInstaller.clearUserData(packageName, userId); 9819 if (retCode < 0) { 9820 Slog.w(TAG, "Couldn't remove cache files for package: " 9821 + packageName); 9822 return false; 9823 } 9824 removeKeystoreDataIfNeeded(userId, appId); 9825 return true; 9826 } 9827 9828 /** 9829 * Remove entries from the keystore daemon. Will only remove it if the 9830 * {@code appId} is valid. 9831 */ 9832 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 9833 if (appId < 0) { 9834 return; 9835 } 9836 9837 final KeyStore keyStore = KeyStore.getInstance(); 9838 if (keyStore != null) { 9839 if (userId == UserHandle.USER_ALL) { 9840 for (final int individual : sUserManager.getUserIds()) { 9841 keyStore.clearUid(UserHandle.getUid(individual, appId)); 9842 } 9843 } else { 9844 keyStore.clearUid(UserHandle.getUid(userId, appId)); 9845 } 9846 } else { 9847 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 9848 } 9849 } 9850 9851 public void deleteApplicationCacheFiles(final String packageName, 9852 final IPackageDataObserver observer) { 9853 mContext.enforceCallingOrSelfPermission( 9854 android.Manifest.permission.DELETE_CACHE_FILES, null); 9855 // Queue up an async operation since the package deletion may take a little while. 9856 final int userId = UserHandle.getCallingUserId(); 9857 mHandler.post(new Runnable() { 9858 public void run() { 9859 mHandler.removeCallbacks(this); 9860 final boolean succeded; 9861 synchronized (mInstallLock) { 9862 succeded = deleteApplicationCacheFilesLI(packageName, userId); 9863 } 9864 clearExternalStorageDataSync(packageName, userId, false); 9865 if(observer != null) { 9866 try { 9867 observer.onRemoveCompleted(packageName, succeded); 9868 } catch (RemoteException e) { 9869 Log.i(TAG, "Observer no longer exists."); 9870 } 9871 } //end if observer 9872 } //end run 9873 }); 9874 } 9875 9876 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 9877 if (packageName == null) { 9878 Slog.w(TAG, "Attempt to delete null packageName."); 9879 return false; 9880 } 9881 PackageParser.Package p; 9882 synchronized (mPackages) { 9883 p = mPackages.get(packageName); 9884 } 9885 if (p == null) { 9886 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 9887 return false; 9888 } 9889 final ApplicationInfo applicationInfo = p.applicationInfo; 9890 if (applicationInfo == null) { 9891 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9892 return false; 9893 } 9894 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 9895 if (retCode < 0) { 9896 Slog.w(TAG, "Couldn't remove cache files for package: " 9897 + packageName + " u" + userId); 9898 return false; 9899 } 9900 return true; 9901 } 9902 9903 public void getPackageSizeInfo(final String packageName, int userHandle, 9904 final IPackageStatsObserver observer) { 9905 mContext.enforceCallingOrSelfPermission( 9906 android.Manifest.permission.GET_PACKAGE_SIZE, null); 9907 9908 PackageStats stats = new PackageStats(packageName, userHandle); 9909 9910 /* 9911 * Queue up an async operation since the package measurement may take a 9912 * little while. 9913 */ 9914 Message msg = mHandler.obtainMessage(INIT_COPY); 9915 msg.obj = new MeasureParams(stats, observer); 9916 mHandler.sendMessage(msg); 9917 } 9918 9919 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 9920 PackageStats pStats) { 9921 if (packageName == null) { 9922 Slog.w(TAG, "Attempt to get size of null packageName."); 9923 return false; 9924 } 9925 PackageParser.Package p; 9926 boolean dataOnly = false; 9927 String libDirPath = null; 9928 String asecPath = null; 9929 synchronized (mPackages) { 9930 p = mPackages.get(packageName); 9931 PackageSetting ps = mSettings.mPackages.get(packageName); 9932 if(p == null) { 9933 dataOnly = true; 9934 if((ps == null) || (ps.pkg == null)) { 9935 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 9936 return false; 9937 } 9938 p = ps.pkg; 9939 } 9940 if (ps != null) { 9941 libDirPath = ps.nativeLibraryPathString; 9942 } 9943 if (p != null && (isExternal(p) || isForwardLocked(p))) { 9944 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 9945 if (secureContainerId != null) { 9946 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 9947 } 9948 } 9949 } 9950 String publicSrcDir = null; 9951 if(!dataOnly) { 9952 final ApplicationInfo applicationInfo = p.applicationInfo; 9953 if (applicationInfo == null) { 9954 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9955 return false; 9956 } 9957 if (isForwardLocked(p)) { 9958 publicSrcDir = applicationInfo.publicSourceDir; 9959 } 9960 } 9961 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 9962 publicSrcDir, asecPath, pStats); 9963 if (res < 0) { 9964 return false; 9965 } 9966 9967 // Fix-up for forward-locked applications in ASEC containers. 9968 if (!isExternal(p)) { 9969 pStats.codeSize += pStats.externalCodeSize; 9970 pStats.externalCodeSize = 0L; 9971 } 9972 9973 return true; 9974 } 9975 9976 9977 public void addPackageToPreferred(String packageName) { 9978 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 9979 } 9980 9981 public void removePackageFromPreferred(String packageName) { 9982 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 9983 } 9984 9985 public List<PackageInfo> getPreferredPackages(int flags) { 9986 return new ArrayList<PackageInfo>(); 9987 } 9988 9989 private int getUidTargetSdkVersionLockedLPr(int uid) { 9990 Object obj = mSettings.getUserIdLPr(uid); 9991 if (obj instanceof SharedUserSetting) { 9992 final SharedUserSetting sus = (SharedUserSetting) obj; 9993 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 9994 final Iterator<PackageSetting> it = sus.packages.iterator(); 9995 while (it.hasNext()) { 9996 final PackageSetting ps = it.next(); 9997 if (ps.pkg != null) { 9998 int v = ps.pkg.applicationInfo.targetSdkVersion; 9999 if (v < vers) vers = v; 10000 } 10001 } 10002 return vers; 10003 } else if (obj instanceof PackageSetting) { 10004 final PackageSetting ps = (PackageSetting) obj; 10005 if (ps.pkg != null) { 10006 return ps.pkg.applicationInfo.targetSdkVersion; 10007 } 10008 } 10009 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10010 } 10011 10012 public void addPreferredActivity(IntentFilter filter, int match, 10013 ComponentName[] set, ComponentName activity, int userId) { 10014 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10015 } 10016 10017 private void addPreferredActivityInternal(IntentFilter filter, int match, 10018 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10019 // writer 10020 int callingUid = Binder.getCallingUid(); 10021 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10022 if (filter.countActions() == 0) { 10023 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10024 return; 10025 } 10026 synchronized (mPackages) { 10027 if (mContext.checkCallingOrSelfPermission( 10028 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10029 != PackageManager.PERMISSION_GRANTED) { 10030 if (getUidTargetSdkVersionLockedLPr(callingUid) 10031 < Build.VERSION_CODES.FROYO) { 10032 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10033 + callingUid); 10034 return; 10035 } 10036 mContext.enforceCallingOrSelfPermission( 10037 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10038 } 10039 10040 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10041 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10042 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10043 new PreferredActivity(filter, match, set, activity, always)); 10044 mSettings.writePackageRestrictionsLPr(userId); 10045 } 10046 } 10047 10048 public void replacePreferredActivity(IntentFilter filter, int match, 10049 ComponentName[] set, ComponentName activity) { 10050 if (filter.countActions() != 1) { 10051 throw new IllegalArgumentException( 10052 "replacePreferredActivity expects filter to have only 1 action."); 10053 } 10054 if (filter.countDataAuthorities() != 0 10055 || filter.countDataPaths() != 0 10056 || filter.countDataSchemes() > 1 10057 || filter.countDataTypes() != 0) { 10058 throw new IllegalArgumentException( 10059 "replacePreferredActivity expects filter to have no data authorities, " + 10060 "paths, or types; and at most one scheme."); 10061 } 10062 synchronized (mPackages) { 10063 if (mContext.checkCallingOrSelfPermission( 10064 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10065 != PackageManager.PERMISSION_GRANTED) { 10066 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10067 < Build.VERSION_CODES.FROYO) { 10068 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10069 + Binder.getCallingUid()); 10070 return; 10071 } 10072 mContext.enforceCallingOrSelfPermission( 10073 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10074 } 10075 10076 final int callingUserId = UserHandle.getCallingUserId(); 10077 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10078 if (pir != null) { 10079 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10080 if (filter.countDataSchemes() == 1) { 10081 Uri.Builder builder = new Uri.Builder(); 10082 builder.scheme(filter.getDataScheme(0)); 10083 intent.setData(builder.build()); 10084 } 10085 List<PreferredActivity> matches = pir.queryIntent( 10086 intent, null, true, callingUserId); 10087 if (DEBUG_PREFERRED) { 10088 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10089 } 10090 for (int i = 0; i < matches.size(); i++) { 10091 PreferredActivity pa = matches.get(i); 10092 if (DEBUG_PREFERRED) { 10093 Slog.i(TAG, "Removing preferred activity " 10094 + pa.mPref.mComponent + ":"); 10095 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10096 } 10097 pir.removeFilter(pa); 10098 } 10099 } 10100 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10101 } 10102 } 10103 10104 public void clearPackagePreferredActivities(String packageName) { 10105 final int uid = Binder.getCallingUid(); 10106 // writer 10107 synchronized (mPackages) { 10108 PackageParser.Package pkg = mPackages.get(packageName); 10109 if (pkg == null || pkg.applicationInfo.uid != uid) { 10110 if (mContext.checkCallingOrSelfPermission( 10111 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10112 != PackageManager.PERMISSION_GRANTED) { 10113 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10114 < Build.VERSION_CODES.FROYO) { 10115 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10116 + Binder.getCallingUid()); 10117 return; 10118 } 10119 mContext.enforceCallingOrSelfPermission( 10120 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10121 } 10122 } 10123 10124 int user = UserHandle.getCallingUserId(); 10125 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10126 mSettings.writePackageRestrictionsLPr(user); 10127 scheduleWriteSettingsLocked(); 10128 } 10129 } 10130 } 10131 10132 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10133 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10134 ArrayList<PreferredActivity> removed = null; 10135 boolean changed = false; 10136 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10137 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10138 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10139 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10140 continue; 10141 } 10142 Iterator<PreferredActivity> it = pir.filterIterator(); 10143 while (it.hasNext()) { 10144 PreferredActivity pa = it.next(); 10145 // Mark entry for removal only if it matches the package name 10146 // and the entry is of type "always". 10147 if (packageName == null || 10148 (pa.mPref.mComponent.getPackageName().equals(packageName) 10149 && pa.mPref.mAlways)) { 10150 if (removed == null) { 10151 removed = new ArrayList<PreferredActivity>(); 10152 } 10153 removed.add(pa); 10154 } 10155 } 10156 if (removed != null) { 10157 for (int j=0; j<removed.size(); j++) { 10158 PreferredActivity pa = removed.get(j); 10159 pir.removeFilter(pa); 10160 } 10161 changed = true; 10162 } 10163 } 10164 return changed; 10165 } 10166 10167 public void resetPreferredActivities(int userId) { 10168 mContext.enforceCallingOrSelfPermission( 10169 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10170 // writer 10171 synchronized (mPackages) { 10172 int user = UserHandle.getCallingUserId(); 10173 clearPackagePreferredActivitiesLPw(null, user); 10174 mSettings.readDefaultPreferredAppsLPw(this, user); 10175 mSettings.writePackageRestrictionsLPr(user); 10176 scheduleWriteSettingsLocked(); 10177 } 10178 } 10179 10180 public int getPreferredActivities(List<IntentFilter> outFilters, 10181 List<ComponentName> outActivities, String packageName) { 10182 10183 int num = 0; 10184 final int userId = UserHandle.getCallingUserId(); 10185 // reader 10186 synchronized (mPackages) { 10187 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10188 if (pir != null) { 10189 final Iterator<PreferredActivity> it = pir.filterIterator(); 10190 while (it.hasNext()) { 10191 final PreferredActivity pa = it.next(); 10192 if (packageName == null 10193 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10194 && pa.mPref.mAlways)) { 10195 if (outFilters != null) { 10196 outFilters.add(new IntentFilter(pa)); 10197 } 10198 if (outActivities != null) { 10199 outActivities.add(pa.mPref.mComponent); 10200 } 10201 } 10202 } 10203 } 10204 } 10205 10206 return num; 10207 } 10208 10209 @Override 10210 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10211 Intent intent = new Intent(Intent.ACTION_MAIN); 10212 intent.addCategory(Intent.CATEGORY_HOME); 10213 10214 final int callingUserId = UserHandle.getCallingUserId(); 10215 List<ResolveInfo> list = queryIntentActivities(intent, null, 10216 PackageManager.GET_META_DATA, callingUserId); 10217 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10218 true, false, false, callingUserId); 10219 10220 allHomeCandidates.clear(); 10221 if (list != null) { 10222 for (ResolveInfo ri : list) { 10223 allHomeCandidates.add(ri); 10224 } 10225 } 10226 return (preferred == null || preferred.activityInfo == null) 10227 ? null 10228 : new ComponentName(preferred.activityInfo.packageName, 10229 preferred.activityInfo.name); 10230 } 10231 10232 @Override 10233 public void setApplicationEnabledSetting(String appPackageName, 10234 int newState, int flags, int userId, String callingPackage) { 10235 if (!sUserManager.exists(userId)) return; 10236 if (callingPackage == null) { 10237 callingPackage = Integer.toString(Binder.getCallingUid()); 10238 } 10239 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10240 } 10241 10242 @Override 10243 public void setComponentEnabledSetting(ComponentName componentName, 10244 int newState, int flags, int userId) { 10245 if (!sUserManager.exists(userId)) return; 10246 setEnabledSetting(componentName.getPackageName(), 10247 componentName.getClassName(), newState, flags, userId, null); 10248 } 10249 10250 private void setEnabledSetting(final String packageName, String className, int newState, 10251 final int flags, int userId, String callingPackage) { 10252 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10253 || newState == COMPONENT_ENABLED_STATE_ENABLED 10254 || newState == COMPONENT_ENABLED_STATE_DISABLED 10255 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10256 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10257 throw new IllegalArgumentException("Invalid new component state: " 10258 + newState); 10259 } 10260 PackageSetting pkgSetting; 10261 final int uid = Binder.getCallingUid(); 10262 final int permission = mContext.checkCallingOrSelfPermission( 10263 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10264 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10265 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10266 boolean sendNow = false; 10267 boolean isApp = (className == null); 10268 String componentName = isApp ? packageName : className; 10269 int packageUid = -1; 10270 ArrayList<String> components; 10271 10272 // writer 10273 synchronized (mPackages) { 10274 pkgSetting = mSettings.mPackages.get(packageName); 10275 if (pkgSetting == null) { 10276 if (className == null) { 10277 throw new IllegalArgumentException( 10278 "Unknown package: " + packageName); 10279 } 10280 throw new IllegalArgumentException( 10281 "Unknown component: " + packageName 10282 + "/" + className); 10283 } 10284 // Allow root and verify that userId is not being specified by a different user 10285 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10286 throw new SecurityException( 10287 "Permission Denial: attempt to change component state from pid=" 10288 + Binder.getCallingPid() 10289 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10290 } 10291 if (className == null) { 10292 // We're dealing with an application/package level state change 10293 if (pkgSetting.getEnabled(userId) == newState) { 10294 // Nothing to do 10295 return; 10296 } 10297 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10298 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10299 // Don't care about who enables an app. 10300 callingPackage = null; 10301 } 10302 pkgSetting.setEnabled(newState, userId, callingPackage); 10303 // pkgSetting.pkg.mSetEnabled = newState; 10304 } else { 10305 // We're dealing with a component level state change 10306 // First, verify that this is a valid class name. 10307 PackageParser.Package pkg = pkgSetting.pkg; 10308 if (pkg == null || !pkg.hasComponentClassName(className)) { 10309 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10310 throw new IllegalArgumentException("Component class " + className 10311 + " does not exist in " + packageName); 10312 } else { 10313 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10314 + className + " does not exist in " + packageName); 10315 } 10316 } 10317 switch (newState) { 10318 case COMPONENT_ENABLED_STATE_ENABLED: 10319 if (!pkgSetting.enableComponentLPw(className, userId)) { 10320 return; 10321 } 10322 break; 10323 case COMPONENT_ENABLED_STATE_DISABLED: 10324 if (!pkgSetting.disableComponentLPw(className, userId)) { 10325 return; 10326 } 10327 break; 10328 case COMPONENT_ENABLED_STATE_DEFAULT: 10329 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10330 return; 10331 } 10332 break; 10333 default: 10334 Slog.e(TAG, "Invalid new component state: " + newState); 10335 return; 10336 } 10337 } 10338 mSettings.writePackageRestrictionsLPr(userId); 10339 components = mPendingBroadcasts.get(userId, packageName); 10340 final boolean newPackage = components == null; 10341 if (newPackage) { 10342 components = new ArrayList<String>(); 10343 } 10344 if (!components.contains(componentName)) { 10345 components.add(componentName); 10346 } 10347 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10348 sendNow = true; 10349 // Purge entry from pending broadcast list if another one exists already 10350 // since we are sending one right away. 10351 mPendingBroadcasts.remove(userId, packageName); 10352 } else { 10353 if (newPackage) { 10354 mPendingBroadcasts.put(userId, packageName, components); 10355 } 10356 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10357 // Schedule a message 10358 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10359 } 10360 } 10361 } 10362 10363 long callingId = Binder.clearCallingIdentity(); 10364 try { 10365 if (sendNow) { 10366 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10367 sendPackageChangedBroadcast(packageName, 10368 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10369 } 10370 } finally { 10371 Binder.restoreCallingIdentity(callingId); 10372 } 10373 } 10374 10375 private void sendPackageChangedBroadcast(String packageName, 10376 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10377 if (DEBUG_INSTALL) 10378 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10379 + componentNames); 10380 Bundle extras = new Bundle(4); 10381 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10382 String nameList[] = new String[componentNames.size()]; 10383 componentNames.toArray(nameList); 10384 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10385 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10386 extras.putInt(Intent.EXTRA_UID, packageUid); 10387 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10388 new int[] {UserHandle.getUserId(packageUid)}); 10389 } 10390 10391 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10392 if (!sUserManager.exists(userId)) return; 10393 final int uid = Binder.getCallingUid(); 10394 final int permission = mContext.checkCallingOrSelfPermission( 10395 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10396 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10397 enforceCrossUserPermission(uid, userId, true, "stop package"); 10398 // writer 10399 synchronized (mPackages) { 10400 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10401 uid, userId)) { 10402 scheduleWritePackageRestrictionsLocked(userId); 10403 } 10404 } 10405 } 10406 10407 public String getInstallerPackageName(String packageName) { 10408 // reader 10409 synchronized (mPackages) { 10410 return mSettings.getInstallerPackageNameLPr(packageName); 10411 } 10412 } 10413 10414 @Override 10415 public int getApplicationEnabledSetting(String packageName, int userId) { 10416 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10417 int uid = Binder.getCallingUid(); 10418 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10419 // reader 10420 synchronized (mPackages) { 10421 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10422 } 10423 } 10424 10425 @Override 10426 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10427 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10428 int uid = Binder.getCallingUid(); 10429 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10430 // reader 10431 synchronized (mPackages) { 10432 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10433 } 10434 } 10435 10436 public void enterSafeMode() { 10437 enforceSystemOrRoot("Only the system can request entering safe mode"); 10438 10439 if (!mSystemReady) { 10440 mSafeMode = true; 10441 } 10442 } 10443 10444 public void systemReady() { 10445 mSystemReady = true; 10446 10447 // Read the compatibilty setting when the system is ready. 10448 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10449 mContext.getContentResolver(), 10450 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10451 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10452 if (DEBUG_SETTINGS) { 10453 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10454 } 10455 10456 synchronized (mPackages) { 10457 // Verify that all of the preferred activity components actually 10458 // exist. It is possible for applications to be updated and at 10459 // that point remove a previously declared activity component that 10460 // had been set as a preferred activity. We try to clean this up 10461 // the next time we encounter that preferred activity, but it is 10462 // possible for the user flow to never be able to return to that 10463 // situation so here we do a sanity check to make sure we haven't 10464 // left any junk around. 10465 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10466 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10467 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10468 removed.clear(); 10469 for (PreferredActivity pa : pir.filterSet()) { 10470 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10471 removed.add(pa); 10472 } 10473 } 10474 if (removed.size() > 0) { 10475 for (int j=0; j<removed.size(); j++) { 10476 PreferredActivity pa = removed.get(i); 10477 Slog.w(TAG, "Removing dangling preferred activity: " 10478 + pa.mPref.mComponent); 10479 pir.removeFilter(pa); 10480 } 10481 mSettings.writePackageRestrictionsLPr( 10482 mSettings.mPreferredActivities.keyAt(i)); 10483 } 10484 } 10485 } 10486 sUserManager.systemReady(); 10487 } 10488 10489 public boolean isSafeMode() { 10490 return mSafeMode; 10491 } 10492 10493 public boolean hasSystemUidErrors() { 10494 return mHasSystemUidErrors; 10495 } 10496 10497 static String arrayToString(int[] array) { 10498 StringBuffer buf = new StringBuffer(128); 10499 buf.append('['); 10500 if (array != null) { 10501 for (int i=0; i<array.length; i++) { 10502 if (i > 0) buf.append(", "); 10503 buf.append(array[i]); 10504 } 10505 } 10506 buf.append(']'); 10507 return buf.toString(); 10508 } 10509 10510 static class DumpState { 10511 public static final int DUMP_LIBS = 1 << 0; 10512 10513 public static final int DUMP_FEATURES = 1 << 1; 10514 10515 public static final int DUMP_RESOLVERS = 1 << 2; 10516 10517 public static final int DUMP_PERMISSIONS = 1 << 3; 10518 10519 public static final int DUMP_PACKAGES = 1 << 4; 10520 10521 public static final int DUMP_SHARED_USERS = 1 << 5; 10522 10523 public static final int DUMP_MESSAGES = 1 << 6; 10524 10525 public static final int DUMP_PROVIDERS = 1 << 7; 10526 10527 public static final int DUMP_VERIFIERS = 1 << 8; 10528 10529 public static final int DUMP_PREFERRED = 1 << 9; 10530 10531 public static final int DUMP_PREFERRED_XML = 1 << 10; 10532 10533 public static final int DUMP_KEYSETS = 1 << 11; 10534 10535 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10536 10537 private int mTypes; 10538 10539 private int mOptions; 10540 10541 private boolean mTitlePrinted; 10542 10543 private SharedUserSetting mSharedUser; 10544 10545 public boolean isDumping(int type) { 10546 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10547 return true; 10548 } 10549 10550 return (mTypes & type) != 0; 10551 } 10552 10553 public void setDump(int type) { 10554 mTypes |= type; 10555 } 10556 10557 public boolean isOptionEnabled(int option) { 10558 return (mOptions & option) != 0; 10559 } 10560 10561 public void setOptionEnabled(int option) { 10562 mOptions |= option; 10563 } 10564 10565 public boolean onTitlePrinted() { 10566 final boolean printed = mTitlePrinted; 10567 mTitlePrinted = true; 10568 return printed; 10569 } 10570 10571 public boolean getTitlePrinted() { 10572 return mTitlePrinted; 10573 } 10574 10575 public void setTitlePrinted(boolean enabled) { 10576 mTitlePrinted = enabled; 10577 } 10578 10579 public SharedUserSetting getSharedUser() { 10580 return mSharedUser; 10581 } 10582 10583 public void setSharedUser(SharedUserSetting user) { 10584 mSharedUser = user; 10585 } 10586 } 10587 10588 @Override 10589 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10590 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10591 != PackageManager.PERMISSION_GRANTED) { 10592 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10593 + Binder.getCallingPid() 10594 + ", uid=" + Binder.getCallingUid() 10595 + " without permission " 10596 + android.Manifest.permission.DUMP); 10597 return; 10598 } 10599 10600 DumpState dumpState = new DumpState(); 10601 boolean fullPreferred = false; 10602 boolean checkin = false; 10603 10604 String packageName = null; 10605 10606 int opti = 0; 10607 while (opti < args.length) { 10608 String opt = args[opti]; 10609 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10610 break; 10611 } 10612 opti++; 10613 if ("-a".equals(opt)) { 10614 // Right now we only know how to print all. 10615 } else if ("-h".equals(opt)) { 10616 pw.println("Package manager dump options:"); 10617 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 10618 pw.println(" --checkin: dump for a checkin"); 10619 pw.println(" -f: print details of intent filters"); 10620 pw.println(" -h: print this help"); 10621 pw.println(" cmd may be one of:"); 10622 pw.println(" l[ibraries]: list known shared libraries"); 10623 pw.println(" f[ibraries]: list device features"); 10624 pw.println(" r[esolvers]: dump intent resolvers"); 10625 pw.println(" perm[issions]: dump permissions"); 10626 pw.println(" pref[erred]: print preferred package settings"); 10627 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10628 pw.println(" prov[iders]: dump content providers"); 10629 pw.println(" p[ackages]: dump installed packages"); 10630 pw.println(" s[hared-users]: dump shared user IDs"); 10631 pw.println(" m[essages]: print collected runtime messages"); 10632 pw.println(" v[erifiers]: print package verifier info"); 10633 pw.println(" <package.name>: info about given package"); 10634 pw.println(" k[eysets]: print known keysets"); 10635 return; 10636 } else if ("--checkin".equals(opt)) { 10637 checkin = true; 10638 } else if ("-f".equals(opt)) { 10639 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10640 } else { 10641 pw.println("Unknown argument: " + opt + "; use -h for help"); 10642 } 10643 } 10644 10645 // Is the caller requesting to dump a particular piece of data? 10646 if (opti < args.length) { 10647 String cmd = args[opti]; 10648 opti++; 10649 // Is this a package name? 10650 if ("android".equals(cmd) || cmd.contains(".")) { 10651 packageName = cmd; 10652 // When dumping a single package, we always dump all of its 10653 // filter information since the amount of data will be reasonable. 10654 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10655 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10656 dumpState.setDump(DumpState.DUMP_LIBS); 10657 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10658 dumpState.setDump(DumpState.DUMP_FEATURES); 10659 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10660 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10661 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10662 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10663 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10664 dumpState.setDump(DumpState.DUMP_PREFERRED); 10665 } else if ("preferred-xml".equals(cmd)) { 10666 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10667 if (opti < args.length && "--full".equals(args[opti])) { 10668 fullPreferred = true; 10669 opti++; 10670 } 10671 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10672 dumpState.setDump(DumpState.DUMP_PACKAGES); 10673 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10674 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10675 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10676 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10677 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10678 dumpState.setDump(DumpState.DUMP_MESSAGES); 10679 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10680 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10681 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10682 dumpState.setDump(DumpState.DUMP_KEYSETS); 10683 } 10684 } 10685 10686 if (checkin) { 10687 pw.println("vers,1"); 10688 } 10689 10690 // reader 10691 synchronized (mPackages) { 10692 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10693 if (!checkin) { 10694 if (dumpState.onTitlePrinted()) 10695 pw.println(); 10696 pw.println("Verifiers:"); 10697 pw.print(" Required: "); 10698 pw.print(mRequiredVerifierPackage); 10699 pw.print(" (uid="); 10700 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10701 pw.println(")"); 10702 } else if (mRequiredVerifierPackage != null) { 10703 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 10704 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 10705 } 10706 } 10707 10708 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 10709 boolean printedHeader = false; 10710 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 10711 while (it.hasNext()) { 10712 String name = it.next(); 10713 SharedLibraryEntry ent = mSharedLibraries.get(name); 10714 if (!checkin) { 10715 if (!printedHeader) { 10716 if (dumpState.onTitlePrinted()) 10717 pw.println(); 10718 pw.println("Libraries:"); 10719 printedHeader = true; 10720 } 10721 pw.print(" "); 10722 } else { 10723 pw.print("lib,"); 10724 } 10725 pw.print(name); 10726 if (!checkin) { 10727 pw.print(" -> "); 10728 } 10729 if (ent.path != null) { 10730 if (!checkin) { 10731 pw.print("(jar) "); 10732 pw.print(ent.path); 10733 } else { 10734 pw.print(",jar,"); 10735 pw.print(ent.path); 10736 } 10737 } else { 10738 if (!checkin) { 10739 pw.print("(apk) "); 10740 pw.print(ent.apk); 10741 } else { 10742 pw.print(",apk,"); 10743 pw.print(ent.apk); 10744 } 10745 } 10746 pw.println(); 10747 } 10748 } 10749 10750 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 10751 if (dumpState.onTitlePrinted()) 10752 pw.println(); 10753 if (!checkin) { 10754 pw.println("Features:"); 10755 } 10756 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 10757 while (it.hasNext()) { 10758 String name = it.next(); 10759 if (!checkin) { 10760 pw.print(" "); 10761 } else { 10762 pw.print("feat,"); 10763 } 10764 pw.println(name); 10765 } 10766 } 10767 10768 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 10769 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 10770 : "Activity Resolver Table:", " ", packageName, 10771 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10772 dumpState.setTitlePrinted(true); 10773 } 10774 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 10775 : "Receiver Resolver Table:", " ", packageName, 10776 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10777 dumpState.setTitlePrinted(true); 10778 } 10779 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 10780 : "Service Resolver Table:", " ", packageName, 10781 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10782 dumpState.setTitlePrinted(true); 10783 } 10784 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 10785 : "Provider Resolver Table:", " ", packageName, 10786 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10787 dumpState.setTitlePrinted(true); 10788 } 10789 } 10790 10791 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 10792 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10793 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10794 int user = mSettings.mPreferredActivities.keyAt(i); 10795 if (pir.dump(pw, 10796 dumpState.getTitlePrinted() 10797 ? "\nPreferred Activities User " + user + ":" 10798 : "Preferred Activities User " + user + ":", " ", 10799 packageName, true)) { 10800 dumpState.setTitlePrinted(true); 10801 } 10802 } 10803 } 10804 10805 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 10806 pw.flush(); 10807 FileOutputStream fout = new FileOutputStream(fd); 10808 BufferedOutputStream str = new BufferedOutputStream(fout); 10809 XmlSerializer serializer = new FastXmlSerializer(); 10810 try { 10811 serializer.setOutput(str, "utf-8"); 10812 serializer.startDocument(null, true); 10813 serializer.setFeature( 10814 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 10815 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 10816 serializer.endDocument(); 10817 serializer.flush(); 10818 } catch (IllegalArgumentException e) { 10819 pw.println("Failed writing: " + e); 10820 } catch (IllegalStateException e) { 10821 pw.println("Failed writing: " + e); 10822 } catch (IOException e) { 10823 pw.println("Failed writing: " + e); 10824 } 10825 } 10826 10827 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 10828 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 10829 } 10830 10831 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 10832 boolean printedSomething = false; 10833 for (PackageParser.Provider p : mProviders.mProviders.values()) { 10834 if (packageName != null && !packageName.equals(p.info.packageName)) { 10835 continue; 10836 } 10837 if (!printedSomething) { 10838 if (dumpState.onTitlePrinted()) 10839 pw.println(); 10840 pw.println("Registered ContentProviders:"); 10841 printedSomething = true; 10842 } 10843 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 10844 pw.print(" "); pw.println(p.toString()); 10845 } 10846 printedSomething = false; 10847 for (Map.Entry<String, PackageParser.Provider> entry : 10848 mProvidersByAuthority.entrySet()) { 10849 PackageParser.Provider p = entry.getValue(); 10850 if (packageName != null && !packageName.equals(p.info.packageName)) { 10851 continue; 10852 } 10853 if (!printedSomething) { 10854 if (dumpState.onTitlePrinted()) 10855 pw.println(); 10856 pw.println("ContentProvider Authorities:"); 10857 printedSomething = true; 10858 } 10859 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 10860 pw.print(" "); pw.println(p.toString()); 10861 if (p.info != null && p.info.applicationInfo != null) { 10862 final String appInfo = p.info.applicationInfo.toString(); 10863 pw.print(" applicationInfo="); pw.println(appInfo); 10864 } 10865 } 10866 } 10867 10868 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 10869 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 10870 } 10871 10872 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 10873 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 10874 } 10875 10876 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 10877 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 10878 } 10879 10880 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 10881 if (dumpState.onTitlePrinted()) 10882 pw.println(); 10883 mSettings.dumpReadMessagesLPr(pw, dumpState); 10884 10885 pw.println(); 10886 pw.println("Package warning messages:"); 10887 final File fname = getSettingsProblemFile(); 10888 FileInputStream in = null; 10889 try { 10890 in = new FileInputStream(fname); 10891 final int avail = in.available(); 10892 final byte[] data = new byte[avail]; 10893 in.read(data); 10894 pw.print(new String(data)); 10895 } catch (FileNotFoundException e) { 10896 } catch (IOException e) { 10897 } finally { 10898 if (in != null) { 10899 try { 10900 in.close(); 10901 } catch (IOException e) { 10902 } 10903 } 10904 } 10905 } 10906 } 10907 } 10908 10909 // ------- apps on sdcard specific code ------- 10910 static final boolean DEBUG_SD_INSTALL = false; 10911 10912 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 10913 10914 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 10915 10916 private boolean mMediaMounted = false; 10917 10918 private String getEncryptKey() { 10919 try { 10920 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 10921 SD_ENCRYPTION_KEYSTORE_NAME); 10922 if (sdEncKey == null) { 10923 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 10924 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 10925 if (sdEncKey == null) { 10926 Slog.e(TAG, "Failed to create encryption keys"); 10927 return null; 10928 } 10929 } 10930 return sdEncKey; 10931 } catch (NoSuchAlgorithmException nsae) { 10932 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 10933 return null; 10934 } catch (IOException ioe) { 10935 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 10936 return null; 10937 } 10938 10939 } 10940 10941 /* package */static String getTempContainerId() { 10942 int tmpIdx = 1; 10943 String list[] = PackageHelper.getSecureContainerList(); 10944 if (list != null) { 10945 for (final String name : list) { 10946 // Ignore null and non-temporary container entries 10947 if (name == null || !name.startsWith(mTempContainerPrefix)) { 10948 continue; 10949 } 10950 10951 String subStr = name.substring(mTempContainerPrefix.length()); 10952 try { 10953 int cid = Integer.parseInt(subStr); 10954 if (cid >= tmpIdx) { 10955 tmpIdx = cid + 1; 10956 } 10957 } catch (NumberFormatException e) { 10958 } 10959 } 10960 } 10961 return mTempContainerPrefix + tmpIdx; 10962 } 10963 10964 /* 10965 * Update media status on PackageManager. 10966 */ 10967 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 10968 int callingUid = Binder.getCallingUid(); 10969 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 10970 throw new SecurityException("Media status can only be updated by the system"); 10971 } 10972 // reader; this apparently protects mMediaMounted, but should probably 10973 // be a different lock in that case. 10974 synchronized (mPackages) { 10975 Log.i(TAG, "Updating external media status from " 10976 + (mMediaMounted ? "mounted" : "unmounted") + " to " 10977 + (mediaStatus ? "mounted" : "unmounted")); 10978 if (DEBUG_SD_INSTALL) 10979 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 10980 + ", mMediaMounted=" + mMediaMounted); 10981 if (mediaStatus == mMediaMounted) { 10982 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 10983 : 0, -1); 10984 mHandler.sendMessage(msg); 10985 return; 10986 } 10987 mMediaMounted = mediaStatus; 10988 } 10989 // Queue up an async operation since the package installation may take a 10990 // little while. 10991 mHandler.post(new Runnable() { 10992 public void run() { 10993 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 10994 } 10995 }); 10996 } 10997 10998 /** 10999 * Called by MountService when the initial ASECs to scan are available. 11000 * Should block until all the ASEC containers are finished being scanned. 11001 */ 11002 public void scanAvailableAsecs() { 11003 updateExternalMediaStatusInner(true, false, false); 11004 } 11005 11006 /* 11007 * Collect information of applications on external media, map them against 11008 * existing containers and update information based on current mount status. 11009 * Please note that we always have to report status if reportStatus has been 11010 * set to true especially when unloading packages. 11011 */ 11012 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11013 boolean externalStorage) { 11014 // Collection of uids 11015 int uidArr[] = null; 11016 // Collection of stale containers 11017 HashSet<String> removeCids = new HashSet<String>(); 11018 // Collection of packages on external media with valid containers. 11019 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11020 // Get list of secure containers. 11021 final String list[] = PackageHelper.getSecureContainerList(); 11022 if (list == null || list.length == 0) { 11023 Log.i(TAG, "No secure containers on sdcard"); 11024 } else { 11025 // Process list of secure containers and categorize them 11026 // as active or stale based on their package internal state. 11027 int uidList[] = new int[list.length]; 11028 int num = 0; 11029 // reader 11030 synchronized (mPackages) { 11031 for (String cid : list) { 11032 if (DEBUG_SD_INSTALL) 11033 Log.i(TAG, "Processing container " + cid); 11034 String pkgName = getAsecPackageName(cid); 11035 if (pkgName == null) { 11036 if (DEBUG_SD_INSTALL) 11037 Log.i(TAG, "Container : " + cid + " stale"); 11038 removeCids.add(cid); 11039 continue; 11040 } 11041 if (DEBUG_SD_INSTALL) 11042 Log.i(TAG, "Looking for pkg : " + pkgName); 11043 11044 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11045 if (ps == null) { 11046 Log.i(TAG, "Deleting container with no matching settings " + cid); 11047 removeCids.add(cid); 11048 continue; 11049 } 11050 11051 /* 11052 * Skip packages that are not external if we're unmounting 11053 * external storage. 11054 */ 11055 if (externalStorage && !isMounted && !isExternal(ps)) { 11056 continue; 11057 } 11058 11059 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11060 // The package status is changed only if the code path 11061 // matches between settings and the container id. 11062 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11063 if (DEBUG_SD_INSTALL) { 11064 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11065 + " at code path: " + ps.codePathString); 11066 } 11067 11068 // We do have a valid package installed on sdcard 11069 processCids.put(args, ps.codePathString); 11070 final int uid = ps.appId; 11071 if (uid != -1) { 11072 uidList[num++] = uid; 11073 } 11074 } else { 11075 Log.i(TAG, "Deleting stale container for " + cid); 11076 removeCids.add(cid); 11077 } 11078 } 11079 } 11080 11081 if (num > 0) { 11082 // Sort uid list 11083 Arrays.sort(uidList, 0, num); 11084 // Throw away duplicates 11085 uidArr = new int[num]; 11086 uidArr[0] = uidList[0]; 11087 int di = 0; 11088 for (int i = 1; i < num; i++) { 11089 if (uidList[i - 1] != uidList[i]) { 11090 uidArr[di++] = uidList[i]; 11091 } 11092 } 11093 } 11094 } 11095 // Process packages with valid entries. 11096 if (isMounted) { 11097 if (DEBUG_SD_INSTALL) 11098 Log.i(TAG, "Loading packages"); 11099 loadMediaPackages(processCids, uidArr, removeCids); 11100 startCleaningPackages(); 11101 } else { 11102 if (DEBUG_SD_INSTALL) 11103 Log.i(TAG, "Unloading packages"); 11104 unloadMediaPackages(processCids, uidArr, reportStatus); 11105 } 11106 } 11107 11108 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11109 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11110 int size = pkgList.size(); 11111 if (size > 0) { 11112 // Send broadcasts here 11113 Bundle extras = new Bundle(); 11114 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11115 .toArray(new String[size])); 11116 if (uidArr != null) { 11117 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11118 } 11119 if (replacing) { 11120 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11121 } 11122 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11123 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11124 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11125 } 11126 } 11127 11128 /* 11129 * Look at potentially valid container ids from processCids If package 11130 * information doesn't match the one on record or package scanning fails, 11131 * the cid is added to list of removeCids. We currently don't delete stale 11132 * containers. 11133 */ 11134 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11135 HashSet<String> removeCids) { 11136 ArrayList<String> pkgList = new ArrayList<String>(); 11137 Set<AsecInstallArgs> keys = processCids.keySet(); 11138 boolean doGc = false; 11139 for (AsecInstallArgs args : keys) { 11140 String codePath = processCids.get(args); 11141 if (DEBUG_SD_INSTALL) 11142 Log.i(TAG, "Loading container : " + args.cid); 11143 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11144 try { 11145 // Make sure there are no container errors first. 11146 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11147 Slog.e(TAG, "Failed to mount cid : " + args.cid 11148 + " when installing from sdcard"); 11149 continue; 11150 } 11151 // Check code path here. 11152 if (codePath == null || !codePath.equals(args.getCodePath())) { 11153 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11154 + " does not match one in settings " + codePath); 11155 continue; 11156 } 11157 // Parse package 11158 int parseFlags = mDefParseFlags; 11159 if (args.isExternal()) { 11160 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11161 } 11162 if (args.isFwdLocked()) { 11163 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11164 } 11165 11166 doGc = true; 11167 synchronized (mInstallLock) { 11168 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11169 0, 0, null); 11170 // Scan the package 11171 if (pkg != null) { 11172 /* 11173 * TODO why is the lock being held? doPostInstall is 11174 * called in other places without the lock. This needs 11175 * to be straightened out. 11176 */ 11177 // writer 11178 synchronized (mPackages) { 11179 retCode = PackageManager.INSTALL_SUCCEEDED; 11180 pkgList.add(pkg.packageName); 11181 // Post process args 11182 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11183 pkg.applicationInfo.uid); 11184 } 11185 } else { 11186 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11187 } 11188 } 11189 11190 } finally { 11191 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11192 // Don't destroy container here. Wait till gc clears things 11193 // up. 11194 removeCids.add(args.cid); 11195 } 11196 } 11197 } 11198 // writer 11199 synchronized (mPackages) { 11200 // If the platform SDK has changed since the last time we booted, 11201 // we need to re-grant app permission to catch any new ones that 11202 // appear. This is really a hack, and means that apps can in some 11203 // cases get permissions that the user didn't initially explicitly 11204 // allow... it would be nice to have some better way to handle 11205 // this situation. 11206 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11207 if (regrantPermissions) 11208 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11209 + mSdkVersion + "; regranting permissions for external storage"); 11210 mSettings.mExternalSdkPlatform = mSdkVersion; 11211 11212 // Make sure group IDs have been assigned, and any permission 11213 // changes in other apps are accounted for 11214 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11215 | (regrantPermissions 11216 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11217 : 0)); 11218 // can downgrade to reader 11219 // Persist settings 11220 mSettings.writeLPr(); 11221 } 11222 // Send a broadcast to let everyone know we are done processing 11223 if (pkgList.size() > 0) { 11224 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11225 } 11226 // Force gc to avoid any stale parser references that we might have. 11227 if (doGc) { 11228 Runtime.getRuntime().gc(); 11229 } 11230 // List stale containers and destroy stale temporary containers. 11231 if (removeCids != null) { 11232 for (String cid : removeCids) { 11233 if (cid.startsWith(mTempContainerPrefix)) { 11234 Log.i(TAG, "Destroying stale temporary container " + cid); 11235 PackageHelper.destroySdDir(cid); 11236 } else { 11237 Log.w(TAG, "Container " + cid + " is stale"); 11238 } 11239 } 11240 } 11241 } 11242 11243 /* 11244 * Utility method to unload a list of specified containers 11245 */ 11246 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11247 // Just unmount all valid containers. 11248 for (AsecInstallArgs arg : cidArgs) { 11249 synchronized (mInstallLock) { 11250 arg.doPostDeleteLI(false); 11251 } 11252 } 11253 } 11254 11255 /* 11256 * Unload packages mounted on external media. This involves deleting package 11257 * data from internal structures, sending broadcasts about diabled packages, 11258 * gc'ing to free up references, unmounting all secure containers 11259 * corresponding to packages on external media, and posting a 11260 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11261 * that we always have to post this message if status has been requested no 11262 * matter what. 11263 */ 11264 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11265 final boolean reportStatus) { 11266 if (DEBUG_SD_INSTALL) 11267 Log.i(TAG, "unloading media packages"); 11268 ArrayList<String> pkgList = new ArrayList<String>(); 11269 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11270 final Set<AsecInstallArgs> keys = processCids.keySet(); 11271 for (AsecInstallArgs args : keys) { 11272 String pkgName = args.getPackageName(); 11273 if (DEBUG_SD_INSTALL) 11274 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11275 // Delete package internally 11276 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11277 synchronized (mInstallLock) { 11278 boolean res = deletePackageLI(pkgName, null, false, null, null, 11279 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11280 if (res) { 11281 pkgList.add(pkgName); 11282 } else { 11283 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11284 failedList.add(args); 11285 } 11286 } 11287 } 11288 11289 // reader 11290 synchronized (mPackages) { 11291 // We didn't update the settings after removing each package; 11292 // write them now for all packages. 11293 mSettings.writeLPr(); 11294 } 11295 11296 // We have to absolutely send UPDATED_MEDIA_STATUS only 11297 // after confirming that all the receivers processed the ordered 11298 // broadcast when packages get disabled, force a gc to clean things up. 11299 // and unload all the containers. 11300 if (pkgList.size() > 0) { 11301 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11302 new IIntentReceiver.Stub() { 11303 public void performReceive(Intent intent, int resultCode, String data, 11304 Bundle extras, boolean ordered, boolean sticky, 11305 int sendingUser) throws RemoteException { 11306 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11307 reportStatus ? 1 : 0, 1, keys); 11308 mHandler.sendMessage(msg); 11309 } 11310 }); 11311 } else { 11312 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11313 keys); 11314 mHandler.sendMessage(msg); 11315 } 11316 } 11317 11318 /** Binder call */ 11319 @Override 11320 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11321 final int flags) { 11322 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11323 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11324 int returnCode = PackageManager.MOVE_SUCCEEDED; 11325 int currFlags = 0; 11326 int newFlags = 0; 11327 // reader 11328 synchronized (mPackages) { 11329 PackageParser.Package pkg = mPackages.get(packageName); 11330 if (pkg == null) { 11331 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11332 } else { 11333 // Disable moving fwd locked apps and system packages 11334 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11335 Slog.w(TAG, "Cannot move system application"); 11336 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11337 } else if (pkg.mOperationPending) { 11338 Slog.w(TAG, "Attempt to move package which has pending operations"); 11339 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11340 } else { 11341 // Find install location first 11342 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11343 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11344 Slog.w(TAG, "Ambigous flags specified for move location."); 11345 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11346 } else { 11347 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11348 : PackageManager.INSTALL_INTERNAL; 11349 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11350 : PackageManager.INSTALL_INTERNAL; 11351 11352 if (newFlags == currFlags) { 11353 Slog.w(TAG, "No move required. Trying to move to same location"); 11354 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11355 } else { 11356 if (isForwardLocked(pkg)) { 11357 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11358 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11359 } 11360 } 11361 } 11362 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11363 pkg.mOperationPending = true; 11364 } 11365 } 11366 } 11367 11368 /* 11369 * TODO this next block probably shouldn't be inside the lock. We 11370 * can't guarantee these won't change after this is fired off 11371 * anyway. 11372 */ 11373 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11374 processPendingMove(new MoveParams(null, observer, 0, packageName, 11375 null, -1, user), 11376 returnCode); 11377 } else { 11378 Message msg = mHandler.obtainMessage(INIT_COPY); 11379 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11380 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11381 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11382 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11383 msg.obj = mp; 11384 mHandler.sendMessage(msg); 11385 } 11386 } 11387 } 11388 11389 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11390 // Queue up an async operation since the package deletion may take a 11391 // little while. 11392 mHandler.post(new Runnable() { 11393 public void run() { 11394 // TODO fix this; this does nothing. 11395 mHandler.removeCallbacks(this); 11396 int returnCode = currentStatus; 11397 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11398 int uidArr[] = null; 11399 ArrayList<String> pkgList = null; 11400 synchronized (mPackages) { 11401 PackageParser.Package pkg = mPackages.get(mp.packageName); 11402 if (pkg == null) { 11403 Slog.w(TAG, " Package " + mp.packageName 11404 + " doesn't exist. Aborting move"); 11405 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11406 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11407 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11408 + mp.srcArgs.getCodePath() + " to " 11409 + pkg.applicationInfo.sourceDir 11410 + " Aborting move and returning error"); 11411 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11412 } else { 11413 uidArr = new int[] { 11414 pkg.applicationInfo.uid 11415 }; 11416 pkgList = new ArrayList<String>(); 11417 pkgList.add(mp.packageName); 11418 } 11419 } 11420 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11421 // Send resources unavailable broadcast 11422 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11423 // Update package code and resource paths 11424 synchronized (mInstallLock) { 11425 synchronized (mPackages) { 11426 PackageParser.Package pkg = mPackages.get(mp.packageName); 11427 // Recheck for package again. 11428 if (pkg == null) { 11429 Slog.w(TAG, " Package " + mp.packageName 11430 + " doesn't exist. Aborting move"); 11431 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11432 } else if (!mp.srcArgs.getCodePath().equals( 11433 pkg.applicationInfo.sourceDir)) { 11434 Slog.w(TAG, "Package " + mp.packageName 11435 + " code path changed from " + mp.srcArgs.getCodePath() 11436 + " to " + pkg.applicationInfo.sourceDir 11437 + " Aborting move and returning error"); 11438 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11439 } else { 11440 final String oldCodePath = pkg.mPath; 11441 final String newCodePath = mp.targetArgs.getCodePath(); 11442 final String newResPath = mp.targetArgs.getResourcePath(); 11443 final String newNativePath = mp.targetArgs 11444 .getNativeLibraryPath(); 11445 11446 final File newNativeDir = new File(newNativePath); 11447 11448 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11449 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11450 new File(newCodePath), newNativeDir); 11451 } 11452 final int[] users = sUserManager.getUserIds(); 11453 for (int user : users) { 11454 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11455 newNativePath, user) < 0) { 11456 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11457 } 11458 } 11459 11460 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11461 pkg.mPath = newCodePath; 11462 // Move dex files around 11463 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11464 // Moving of dex files failed. Set 11465 // error code and abort move. 11466 pkg.mPath = pkg.mScanPath; 11467 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11468 } 11469 } 11470 11471 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11472 pkg.mScanPath = newCodePath; 11473 pkg.applicationInfo.sourceDir = newCodePath; 11474 pkg.applicationInfo.publicSourceDir = newResPath; 11475 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11476 PackageSetting ps = (PackageSetting) pkg.mExtras; 11477 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11478 ps.codePathString = ps.codePath.getPath(); 11479 ps.resourcePath = new File( 11480 pkg.applicationInfo.publicSourceDir); 11481 ps.resourcePathString = ps.resourcePath.getPath(); 11482 ps.nativeLibraryPathString = newNativePath; 11483 // Set the application info flag 11484 // correctly. 11485 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11486 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11487 } else { 11488 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11489 } 11490 ps.setFlags(pkg.applicationInfo.flags); 11491 mAppDirs.remove(oldCodePath); 11492 mAppDirs.put(newCodePath, pkg); 11493 // Persist settings 11494 mSettings.writeLPr(); 11495 } 11496 } 11497 } 11498 } 11499 // Send resources available broadcast 11500 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11501 } 11502 } 11503 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11504 // Clean up failed installation 11505 if (mp.targetArgs != null) { 11506 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11507 -1); 11508 } 11509 } else { 11510 // Force a gc to clear things up. 11511 Runtime.getRuntime().gc(); 11512 // Delete older code 11513 synchronized (mInstallLock) { 11514 mp.srcArgs.doPostDeleteLI(true); 11515 } 11516 } 11517 11518 // Allow more operations on this file if we didn't fail because 11519 // an operation was already pending for this package. 11520 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11521 synchronized (mPackages) { 11522 PackageParser.Package pkg = mPackages.get(mp.packageName); 11523 if (pkg != null) { 11524 pkg.mOperationPending = false; 11525 } 11526 } 11527 } 11528 11529 IPackageMoveObserver observer = mp.observer; 11530 if (observer != null) { 11531 try { 11532 observer.packageMoved(mp.packageName, returnCode); 11533 } catch (RemoteException e) { 11534 Log.i(TAG, "Observer no longer exists."); 11535 } 11536 } 11537 } 11538 }); 11539 } 11540 11541 public boolean setInstallLocation(int loc) { 11542 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11543 null); 11544 if (getInstallLocation() == loc) { 11545 return true; 11546 } 11547 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11548 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11549 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11550 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11551 return true; 11552 } 11553 return false; 11554 } 11555 11556 public int getInstallLocation() { 11557 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11558 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11559 PackageHelper.APP_INSTALL_AUTO); 11560 } 11561 11562 /** Called by UserManagerService */ 11563 void cleanUpUserLILPw(int userHandle) { 11564 mDirtyUsers.remove(userHandle); 11565 mSettings.removeUserLPr(userHandle); 11566 mPendingBroadcasts.remove(userHandle); 11567 if (mInstaller != null) { 11568 // Technically, we shouldn't be doing this with the package lock 11569 // held. However, this is very rare, and there is already so much 11570 // other disk I/O going on, that we'll let it slide for now. 11571 mInstaller.removeUserDataDirs(userHandle); 11572 } 11573 } 11574 11575 /** Called by UserManagerService */ 11576 void createNewUserLILPw(int userHandle, File path) { 11577 if (mInstaller != null) { 11578 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11579 } 11580 } 11581 11582 @Override 11583 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11584 mContext.enforceCallingOrSelfPermission( 11585 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11586 "Only package verification agents can read the verifier device identity"); 11587 11588 synchronized (mPackages) { 11589 return mSettings.getVerifierDeviceIdentityLPw(); 11590 } 11591 } 11592 11593 @Override 11594 public void setPermissionEnforced(String permission, boolean enforced) { 11595 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11596 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11597 synchronized (mPackages) { 11598 if (mSettings.mReadExternalStorageEnforced == null 11599 || mSettings.mReadExternalStorageEnforced != enforced) { 11600 mSettings.mReadExternalStorageEnforced = enforced; 11601 mSettings.writeLPr(); 11602 } 11603 } 11604 // kill any non-foreground processes so we restart them and 11605 // grant/revoke the GID. 11606 final IActivityManager am = ActivityManagerNative.getDefault(); 11607 if (am != null) { 11608 final long token = Binder.clearCallingIdentity(); 11609 try { 11610 am.killProcessesBelowForeground("setPermissionEnforcement"); 11611 } catch (RemoteException e) { 11612 } finally { 11613 Binder.restoreCallingIdentity(token); 11614 } 11615 } 11616 } else { 11617 throw new IllegalArgumentException("No selective enforcement for " + permission); 11618 } 11619 } 11620 11621 @Override 11622 @Deprecated 11623 public boolean isPermissionEnforced(String permission) { 11624 return true; 11625 } 11626 11627 @Override 11628 public boolean isStorageLow() { 11629 final long token = Binder.clearCallingIdentity(); 11630 try { 11631 final DeviceStorageMonitorInternal 11632 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11633 if (dsm != null) { 11634 return dsm.isMemoryLow(); 11635 } else { 11636 return false; 11637 } 11638 } finally { 11639 Binder.restoreCallingIdentity(token); 11640 } 11641 } 11642} 11643