PackageManagerService.java revision 509cc13b705f8c488774e7097ab17471c3dacd2e
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, false, 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 // Verify certificates against what was last scanned 3668 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3669 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3670 return null; 3671 } 3672 3673 /* 3674 * A new system app appeared, but we already had a non-system one of the 3675 * same name installed earlier. 3676 */ 3677 boolean shouldHideSystemApp = false; 3678 if (updatedPkg == null && ps != null 3679 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3680 /* 3681 * Check to make sure the signatures match first. If they don't, 3682 * wipe the installed application and its data. 3683 */ 3684 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3685 != PackageManager.SIGNATURE_MATCH) { 3686 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3687 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3688 ps = null; 3689 } else { 3690 /* 3691 * If the newly-added system app is an older version than the 3692 * already installed version, hide it. It will be scanned later 3693 * and re-added like an update. 3694 */ 3695 if (pkg.mVersionCode < ps.versionCode) { 3696 shouldHideSystemApp = true; 3697 } else { 3698 /* 3699 * The newly found system app is a newer version that the 3700 * one previously installed. Simply remove the 3701 * already-installed application and replace it with our own 3702 * while keeping the application data. 3703 */ 3704 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3705 + ps.codePathString + ": new version " + pkg.mVersionCode 3706 + " better than installed " + ps.versionCode); 3707 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3708 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3709 synchronized (mInstallLock) { 3710 args.cleanUpResourcesLI(); 3711 } 3712 } 3713 } 3714 } 3715 3716 // The apk is forward locked (not public) if its code and resources 3717 // are kept in different files. (except for app in either system or 3718 // vendor path). 3719 // TODO grab this value from PackageSettings 3720 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3721 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3722 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3723 } 3724 } 3725 3726 String codePath = null; 3727 String resPath = null; 3728 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0) { 3729 if (ps != null && ps.resourcePathString != null) { 3730 resPath = ps.resourcePathString; 3731 } else { 3732 // Should not happen at all. Just log an error. 3733 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3734 } 3735 } else { 3736 resPath = pkg.mScanPath; 3737 } 3738 3739 codePath = pkg.mScanPath; 3740 // Set application objects path explicitly. 3741 setApplicationInfoPaths(pkg, codePath, resPath); 3742 // Note that we invoke the following method only if we are about to unpack an application 3743 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3744 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3745 3746 /* 3747 * If the system app should be overridden by a previously installed 3748 * data, hide the system app now and let the /data/app scan pick it up 3749 * again. 3750 */ 3751 if (shouldHideSystemApp) { 3752 synchronized (mPackages) { 3753 /* 3754 * We have to grant systems permissions before we hide, because 3755 * grantPermissions will assume the package update is trying to 3756 * expand its permissions. 3757 */ 3758 grantPermissionsLPw(pkg, true); 3759 mSettings.disableSystemPackageLPw(pkg.packageName); 3760 } 3761 } 3762 3763 return scannedPkg; 3764 } 3765 3766 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3767 String destResPath) { 3768 pkg.mPath = pkg.mScanPath = destCodePath; 3769 pkg.applicationInfo.sourceDir = destCodePath; 3770 pkg.applicationInfo.publicSourceDir = destResPath; 3771 } 3772 3773 private static String fixProcessName(String defProcessName, 3774 String processName, int uid) { 3775 if (processName == null) { 3776 return defProcessName; 3777 } 3778 return processName; 3779 } 3780 3781 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3782 PackageParser.Package pkg) { 3783 if (pkgSetting.signatures.mSignatures != null) { 3784 // Already existing package. Make sure signatures match 3785 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3786 PackageManager.SIGNATURE_MATCH) { 3787 Slog.e(TAG, "Package " + pkg.packageName 3788 + " signatures do not match the previously installed version; ignoring!"); 3789 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3790 return false; 3791 } 3792 } 3793 // Check for shared user signatures 3794 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3795 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3796 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3797 Slog.e(TAG, "Package " + pkg.packageName 3798 + " has no signatures that match those in shared user " 3799 + pkgSetting.sharedUser.name + "; ignoring!"); 3800 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3801 return false; 3802 } 3803 } 3804 return true; 3805 } 3806 3807 /** 3808 * Enforces that only the system UID or root's UID can call a method exposed 3809 * via Binder. 3810 * 3811 * @param message used as message if SecurityException is thrown 3812 * @throws SecurityException if the caller is not system or root 3813 */ 3814 private static final void enforceSystemOrRoot(String message) { 3815 final int uid = Binder.getCallingUid(); 3816 if (uid != Process.SYSTEM_UID && uid != 0) { 3817 throw new SecurityException(message); 3818 } 3819 } 3820 3821 public void performBootDexOpt() { 3822 HashSet<PackageParser.Package> pkgs = null; 3823 synchronized (mPackages) { 3824 pkgs = mDeferredDexOpt; 3825 mDeferredDexOpt = null; 3826 } 3827 if (pkgs != null) { 3828 int i = 0; 3829 for (PackageParser.Package pkg : pkgs) { 3830 if (!isFirstBoot()) { 3831 i++; 3832 try { 3833 ActivityManagerNative.getDefault().showBootMessage( 3834 mContext.getResources().getString( 3835 com.android.internal.R.string.android_upgrading_apk, 3836 i, pkgs.size()), true); 3837 } catch (RemoteException e) { 3838 } 3839 } 3840 PackageParser.Package p = pkg; 3841 synchronized (mInstallLock) { 3842 if (!p.mDidDexOpt) { 3843 performDexOptLI(p, false, false, true); 3844 } 3845 } 3846 } 3847 } 3848 } 3849 3850 public boolean performDexOpt(String packageName) { 3851 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3852 3853 if (!mNoDexOpt) { 3854 return false; 3855 } 3856 3857 PackageParser.Package p; 3858 synchronized (mPackages) { 3859 p = mPackages.get(packageName); 3860 if (p == null || p.mDidDexOpt) { 3861 return false; 3862 } 3863 } 3864 synchronized (mInstallLock) { 3865 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 3866 } 3867 } 3868 3869 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 3870 HashSet<String> done) { 3871 for (int i=0; i<libs.size(); i++) { 3872 PackageParser.Package libPkg; 3873 String libName; 3874 synchronized (mPackages) { 3875 libName = libs.get(i); 3876 SharedLibraryEntry lib = mSharedLibraries.get(libName); 3877 if (lib != null && lib.apk != null) { 3878 libPkg = mPackages.get(lib.apk); 3879 } else { 3880 libPkg = null; 3881 } 3882 } 3883 if (libPkg != null && !done.contains(libName)) { 3884 performDexOptLI(libPkg, forceDex, defer, done); 3885 } 3886 } 3887 } 3888 3889 static final int DEX_OPT_SKIPPED = 0; 3890 static final int DEX_OPT_PERFORMED = 1; 3891 static final int DEX_OPT_DEFERRED = 2; 3892 static final int DEX_OPT_FAILED = -1; 3893 3894 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 3895 HashSet<String> done) { 3896 boolean performed = false; 3897 if (done != null) { 3898 done.add(pkg.packageName); 3899 if (pkg.usesLibraries != null) { 3900 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 3901 } 3902 if (pkg.usesOptionalLibraries != null) { 3903 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 3904 } 3905 } 3906 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 3907 String path = pkg.mScanPath; 3908 int ret = 0; 3909 try { 3910 if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { 3911 if (!forceDex && defer) { 3912 if (mDeferredDexOpt == null) { 3913 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 3914 } 3915 mDeferredDexOpt.add(pkg); 3916 return DEX_OPT_DEFERRED; 3917 } else { 3918 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 3919 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3920 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg)); 3921 pkg.mDidDexOpt = true; 3922 performed = true; 3923 } 3924 } 3925 } catch (FileNotFoundException e) { 3926 Slog.w(TAG, "Apk not found for dexopt: " + path); 3927 ret = -1; 3928 } catch (IOException e) { 3929 Slog.w(TAG, "IOException reading apk: " + path, e); 3930 ret = -1; 3931 } catch (dalvik.system.StaleDexCacheError e) { 3932 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 3933 ret = -1; 3934 } catch (Exception e) { 3935 Slog.w(TAG, "Exception when doing dexopt : ", e); 3936 ret = -1; 3937 } 3938 if (ret < 0) { 3939 //error from installer 3940 return DEX_OPT_FAILED; 3941 } 3942 } 3943 3944 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 3945 } 3946 3947 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 3948 boolean inclDependencies) { 3949 HashSet<String> done; 3950 boolean performed = false; 3951 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 3952 done = new HashSet<String>(); 3953 done.add(pkg.packageName); 3954 } else { 3955 done = null; 3956 } 3957 return performDexOptLI(pkg, forceDex, defer, done); 3958 } 3959 3960 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 3961 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 3962 Slog.w(TAG, "Unable to update from " + oldPkg.name 3963 + " to " + newPkg.packageName 3964 + ": old package not in system partition"); 3965 return false; 3966 } else if (mPackages.get(oldPkg.name) != null) { 3967 Slog.w(TAG, "Unable to update from " + oldPkg.name 3968 + " to " + newPkg.packageName 3969 + ": old package still exists"); 3970 return false; 3971 } 3972 return true; 3973 } 3974 3975 File getDataPathForUser(int userId) { 3976 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 3977 } 3978 3979 private File getDataPathForPackage(String packageName, int userId) { 3980 /* 3981 * Until we fully support multiple users, return the directory we 3982 * previously would have. The PackageManagerTests will need to be 3983 * revised when this is changed back.. 3984 */ 3985 if (userId == 0) { 3986 return new File(mAppDataDir, packageName); 3987 } else { 3988 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 3989 + File.separator + packageName); 3990 } 3991 } 3992 3993 private int createDataDirsLI(String packageName, int uid, String seinfo) { 3994 int[] users = sUserManager.getUserIds(); 3995 int res = mInstaller.install(packageName, uid, uid, seinfo); 3996 if (res < 0) { 3997 return res; 3998 } 3999 for (int user : users) { 4000 if (user != 0) { 4001 res = mInstaller.createUserData(packageName, 4002 UserHandle.getUid(user, uid), user, seinfo); 4003 if (res < 0) { 4004 return res; 4005 } 4006 } 4007 } 4008 return res; 4009 } 4010 4011 private int removeDataDirsLI(String packageName) { 4012 int[] users = sUserManager.getUserIds(); 4013 int res = 0; 4014 for (int user : users) { 4015 int resInner = mInstaller.remove(packageName, user); 4016 if (resInner < 0) { 4017 res = resInner; 4018 } 4019 } 4020 4021 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4022 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4023 if (!nativeLibraryFile.delete()) { 4024 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4025 } 4026 4027 return res; 4028 } 4029 4030 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4031 PackageParser.Package changingLib) { 4032 if (file.path != null) { 4033 mTmpSharedLibraries[num] = file.path; 4034 return num+1; 4035 } 4036 PackageParser.Package p = mPackages.get(file.apk); 4037 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4038 // If we are doing this while in the middle of updating a library apk, 4039 // then we need to make sure to use that new apk for determining the 4040 // dependencies here. (We haven't yet finished committing the new apk 4041 // to the package manager state.) 4042 if (p == null || p.packageName.equals(changingLib.packageName)) { 4043 p = changingLib; 4044 } 4045 } 4046 if (p != null) { 4047 String path = p.mPath; 4048 for (int i=0; i<num; i++) { 4049 if (mTmpSharedLibraries[i].equals(path)) { 4050 return num; 4051 } 4052 } 4053 mTmpSharedLibraries[num] = p.mPath; 4054 return num+1; 4055 } 4056 return num; 4057 } 4058 4059 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4060 PackageParser.Package changingLib) { 4061 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4062 if (mTmpSharedLibraries == null || 4063 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4064 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4065 } 4066 int num = 0; 4067 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4068 for (int i=0; i<N; i++) { 4069 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4070 if (file == null) { 4071 Slog.e(TAG, "Package " + pkg.packageName 4072 + " requires unavailable shared library " 4073 + pkg.usesLibraries.get(i) + "; failing!"); 4074 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4075 return false; 4076 } 4077 num = addSharedLibraryLPw(file, num, changingLib); 4078 } 4079 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4080 for (int i=0; i<N; i++) { 4081 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4082 if (file == null) { 4083 Slog.w(TAG, "Package " + pkg.packageName 4084 + " desires unavailable shared library " 4085 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4086 } else { 4087 num = addSharedLibraryLPw(file, num, changingLib); 4088 } 4089 } 4090 if (num > 0) { 4091 pkg.usesLibraryFiles = new String[num]; 4092 System.arraycopy(mTmpSharedLibraries, 0, 4093 pkg.usesLibraryFiles, 0, num); 4094 } else { 4095 pkg.usesLibraryFiles = null; 4096 } 4097 } 4098 return true; 4099 } 4100 4101 private static boolean hasString(List<String> list, List<String> which) { 4102 if (list == null) { 4103 return false; 4104 } 4105 for (int i=list.size()-1; i>=0; i--) { 4106 for (int j=which.size()-1; j>=0; j--) { 4107 if (which.get(j).equals(list.get(i))) { 4108 return true; 4109 } 4110 } 4111 } 4112 return false; 4113 } 4114 4115 private void updateAllSharedLibrariesLPw() { 4116 for (PackageParser.Package pkg : mPackages.values()) { 4117 updateSharedLibrariesLPw(pkg, null); 4118 } 4119 } 4120 4121 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4122 PackageParser.Package changingPkg) { 4123 ArrayList<PackageParser.Package> res = null; 4124 for (PackageParser.Package pkg : mPackages.values()) { 4125 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4126 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4127 if (res == null) { 4128 res = new ArrayList<PackageParser.Package>(); 4129 } 4130 res.add(pkg); 4131 updateSharedLibrariesLPw(pkg, changingPkg); 4132 } 4133 } 4134 return res; 4135 } 4136 4137 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4138 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4139 File scanFile = new File(pkg.mScanPath); 4140 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4141 pkg.applicationInfo.publicSourceDir == null) { 4142 // Bail out. The resource and code paths haven't been set. 4143 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4144 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4145 return null; 4146 } 4147 4148 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4149 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4150 } 4151 4152 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4153 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4154 } 4155 4156 if (mCustomResolverComponentName != null && 4157 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4158 setUpCustomResolverActivity(pkg); 4159 } 4160 4161 if (pkg.packageName.equals("android")) { 4162 synchronized (mPackages) { 4163 if (mAndroidApplication != null) { 4164 Slog.w(TAG, "*************************************************"); 4165 Slog.w(TAG, "Core android package being redefined. Skipping."); 4166 Slog.w(TAG, " file=" + scanFile); 4167 Slog.w(TAG, "*************************************************"); 4168 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4169 return null; 4170 } 4171 4172 // Set up information for our fall-back user intent resolution activity. 4173 mPlatformPackage = pkg; 4174 pkg.mVersionCode = mSdkVersion; 4175 mAndroidApplication = pkg.applicationInfo; 4176 4177 if (!mResolverReplaced) { 4178 mResolveActivity.applicationInfo = mAndroidApplication; 4179 mResolveActivity.name = ResolverActivity.class.getName(); 4180 mResolveActivity.packageName = mAndroidApplication.packageName; 4181 mResolveActivity.processName = "system:ui"; 4182 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4183 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4184 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4185 mResolveActivity.exported = true; 4186 mResolveActivity.enabled = true; 4187 mResolveInfo.activityInfo = mResolveActivity; 4188 mResolveInfo.priority = 0; 4189 mResolveInfo.preferredOrder = 0; 4190 mResolveInfo.match = 0; 4191 mResolveComponentName = new ComponentName( 4192 mAndroidApplication.packageName, mResolveActivity.name); 4193 } 4194 } 4195 } 4196 4197 if (DEBUG_PACKAGE_SCANNING) { 4198 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4199 Log.d(TAG, "Scanning package " + pkg.packageName); 4200 } 4201 4202 if (mPackages.containsKey(pkg.packageName) 4203 || mSharedLibraries.containsKey(pkg.packageName)) { 4204 Slog.w(TAG, "Application package " + pkg.packageName 4205 + " already installed. Skipping duplicate."); 4206 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4207 return null; 4208 } 4209 4210 // Initialize package source and resource directories 4211 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4212 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4213 4214 SharedUserSetting suid = null; 4215 PackageSetting pkgSetting = null; 4216 4217 if (!isSystemApp(pkg)) { 4218 // Only system apps can use these features. 4219 pkg.mOriginalPackages = null; 4220 pkg.mRealPackage = null; 4221 pkg.mAdoptPermissions = null; 4222 } 4223 4224 // writer 4225 synchronized (mPackages) { 4226 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4227 // Check all shared libraries and map to their actual file path. 4228 // We only do this here for apps not on a system dir, because those 4229 // are the only ones that can fail an install due to this. We 4230 // will take care of the system apps by updating all of their 4231 // library paths after the scan is done. 4232 if (!updateSharedLibrariesLPw(pkg, null)) { 4233 return null; 4234 } 4235 } 4236 4237 if (pkg.mSharedUserId != null) { 4238 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4239 if (suid == null) { 4240 Slog.w(TAG, "Creating application package " + pkg.packageName 4241 + " for shared user failed"); 4242 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4243 return null; 4244 } 4245 if (DEBUG_PACKAGE_SCANNING) { 4246 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4247 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4248 + "): packages=" + suid.packages); 4249 } 4250 } 4251 4252 // Check if we are renaming from an original package name. 4253 PackageSetting origPackage = null; 4254 String realName = null; 4255 if (pkg.mOriginalPackages != null) { 4256 // This package may need to be renamed to a previously 4257 // installed name. Let's check on that... 4258 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4259 if (pkg.mOriginalPackages.contains(renamed)) { 4260 // This package had originally been installed as the 4261 // original name, and we have already taken care of 4262 // transitioning to the new one. Just update the new 4263 // one to continue using the old name. 4264 realName = pkg.mRealPackage; 4265 if (!pkg.packageName.equals(renamed)) { 4266 // Callers into this function may have already taken 4267 // care of renaming the package; only do it here if 4268 // it is not already done. 4269 pkg.setPackageName(renamed); 4270 } 4271 4272 } else { 4273 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4274 if ((origPackage = mSettings.peekPackageLPr( 4275 pkg.mOriginalPackages.get(i))) != null) { 4276 // We do have the package already installed under its 4277 // original name... should we use it? 4278 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4279 // New package is not compatible with original. 4280 origPackage = null; 4281 continue; 4282 } else if (origPackage.sharedUser != null) { 4283 // Make sure uid is compatible between packages. 4284 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4285 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4286 + " to " + pkg.packageName + ": old uid " 4287 + origPackage.sharedUser.name 4288 + " differs from " + pkg.mSharedUserId); 4289 origPackage = null; 4290 continue; 4291 } 4292 } else { 4293 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4294 + pkg.packageName + " to old name " + origPackage.name); 4295 } 4296 break; 4297 } 4298 } 4299 } 4300 } 4301 4302 if (mTransferedPackages.contains(pkg.packageName)) { 4303 Slog.w(TAG, "Package " + pkg.packageName 4304 + " was transferred to another, but its .apk remains"); 4305 } 4306 4307 // Just create the setting, don't add it yet. For already existing packages 4308 // the PkgSetting exists already and doesn't have to be created. 4309 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4310 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4311 pkg.applicationInfo.flags, user, false); 4312 if (pkgSetting == null) { 4313 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4314 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4315 return null; 4316 } 4317 4318 if (pkgSetting.origPackage != null) { 4319 // If we are first transitioning from an original package, 4320 // fix up the new package's name now. We need to do this after 4321 // looking up the package under its new name, so getPackageLP 4322 // can take care of fiddling things correctly. 4323 pkg.setPackageName(origPackage.name); 4324 4325 // File a report about this. 4326 String msg = "New package " + pkgSetting.realName 4327 + " renamed to replace old package " + pkgSetting.name; 4328 reportSettingsProblem(Log.WARN, msg); 4329 4330 // Make a note of it. 4331 mTransferedPackages.add(origPackage.name); 4332 4333 // No longer need to retain this. 4334 pkgSetting.origPackage = null; 4335 } 4336 4337 if (realName != null) { 4338 // Make a note of it. 4339 mTransferedPackages.add(pkg.packageName); 4340 } 4341 4342 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4343 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4344 } 4345 4346 if (mFoundPolicyFile) { 4347 SELinuxMMAC.assignSeinfoValue(pkg); 4348 } 4349 4350 pkg.applicationInfo.uid = pkgSetting.appId; 4351 pkg.mExtras = pkgSetting; 4352 4353 if (!verifySignaturesLP(pkgSetting, pkg)) { 4354 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4355 return null; 4356 } 4357 // The signature has changed, but this package is in the system 4358 // image... let's recover! 4359 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4360 // However... if this package is part of a shared user, but it 4361 // doesn't match the signature of the shared user, let's fail. 4362 // What this means is that you can't change the signatures 4363 // associated with an overall shared user, which doesn't seem all 4364 // that unreasonable. 4365 if (pkgSetting.sharedUser != null) { 4366 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4367 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4368 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4369 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4370 return null; 4371 } 4372 } 4373 // File a report about this. 4374 String msg = "System package " + pkg.packageName 4375 + " signature changed; retaining data."; 4376 reportSettingsProblem(Log.WARN, msg); 4377 } 4378 4379 // Verify that this new package doesn't have any content providers 4380 // that conflict with existing packages. Only do this if the 4381 // package isn't already installed, since we don't want to break 4382 // things that are installed. 4383 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4384 final int N = pkg.providers.size(); 4385 int i; 4386 for (i=0; i<N; i++) { 4387 PackageParser.Provider p = pkg.providers.get(i); 4388 if (p.info.authority != null) { 4389 String names[] = p.info.authority.split(";"); 4390 for (int j = 0; j < names.length; j++) { 4391 if (mProvidersByAuthority.containsKey(names[j])) { 4392 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4393 Slog.w(TAG, "Can't install because provider name " + names[j] + 4394 " (in package " + pkg.applicationInfo.packageName + 4395 ") is already used by " 4396 + ((other != null && other.getComponentName() != null) 4397 ? other.getComponentName().getPackageName() : "?")); 4398 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4399 return null; 4400 } 4401 } 4402 } 4403 } 4404 } 4405 4406 if (pkg.mAdoptPermissions != null) { 4407 // This package wants to adopt ownership of permissions from 4408 // another package. 4409 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4410 final String origName = pkg.mAdoptPermissions.get(i); 4411 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4412 if (orig != null) { 4413 if (verifyPackageUpdateLPr(orig, pkg)) { 4414 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4415 + pkg.packageName); 4416 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4417 } 4418 } 4419 } 4420 } 4421 } 4422 4423 final String pkgName = pkg.packageName; 4424 4425 final long scanFileTime = scanFile.lastModified(); 4426 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4427 pkg.applicationInfo.processName = fixProcessName( 4428 pkg.applicationInfo.packageName, 4429 pkg.applicationInfo.processName, 4430 pkg.applicationInfo.uid); 4431 4432 File dataPath; 4433 if (mPlatformPackage == pkg) { 4434 // The system package is special. 4435 dataPath = new File (Environment.getDataDirectory(), "system"); 4436 pkg.applicationInfo.dataDir = dataPath.getPath(); 4437 } else { 4438 // This is a normal package, need to make its data directory. 4439 dataPath = getDataPathForPackage(pkg.packageName, 0); 4440 4441 boolean uidError = false; 4442 4443 if (dataPath.exists()) { 4444 int currentUid = 0; 4445 try { 4446 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4447 currentUid = stat.st_uid; 4448 } catch (ErrnoException e) { 4449 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4450 } 4451 4452 // If we have mismatched owners for the data path, we have a problem. 4453 if (currentUid != pkg.applicationInfo.uid) { 4454 boolean recovered = false; 4455 if (currentUid == 0) { 4456 // The directory somehow became owned by root. Wow. 4457 // This is probably because the system was stopped while 4458 // installd was in the middle of messing with its libs 4459 // directory. Ask installd to fix that. 4460 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4461 pkg.applicationInfo.uid); 4462 if (ret >= 0) { 4463 recovered = true; 4464 String msg = "Package " + pkg.packageName 4465 + " unexpectedly changed to uid 0; recovered to " + 4466 + pkg.applicationInfo.uid; 4467 reportSettingsProblem(Log.WARN, msg); 4468 } 4469 } 4470 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4471 || (scanMode&SCAN_BOOTING) != 0)) { 4472 // If this is a system app, we can at least delete its 4473 // current data so the application will still work. 4474 int ret = removeDataDirsLI(pkgName); 4475 if (ret >= 0) { 4476 // TODO: Kill the processes first 4477 // Old data gone! 4478 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4479 ? "System package " : "Third party package "; 4480 String msg = prefix + pkg.packageName 4481 + " has changed from uid: " 4482 + currentUid + " to " 4483 + pkg.applicationInfo.uid + "; old data erased"; 4484 reportSettingsProblem(Log.WARN, msg); 4485 recovered = true; 4486 4487 // And now re-install the app. 4488 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4489 pkg.applicationInfo.seinfo); 4490 if (ret == -1) { 4491 // Ack should not happen! 4492 msg = prefix + pkg.packageName 4493 + " could not have data directory re-created after delete."; 4494 reportSettingsProblem(Log.WARN, msg); 4495 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4496 return null; 4497 } 4498 } 4499 if (!recovered) { 4500 mHasSystemUidErrors = true; 4501 } 4502 } else if (!recovered) { 4503 // If we allow this install to proceed, we will be broken. 4504 // Abort, abort! 4505 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4506 return null; 4507 } 4508 if (!recovered) { 4509 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4510 + pkg.applicationInfo.uid + "/fs_" 4511 + currentUid; 4512 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4513 String msg = "Package " + pkg.packageName 4514 + " has mismatched uid: " 4515 + currentUid + " on disk, " 4516 + pkg.applicationInfo.uid + " in settings"; 4517 // writer 4518 synchronized (mPackages) { 4519 mSettings.mReadMessages.append(msg); 4520 mSettings.mReadMessages.append('\n'); 4521 uidError = true; 4522 if (!pkgSetting.uidError) { 4523 reportSettingsProblem(Log.ERROR, msg); 4524 } 4525 } 4526 } 4527 } 4528 pkg.applicationInfo.dataDir = dataPath.getPath(); 4529 } else { 4530 if (DEBUG_PACKAGE_SCANNING) { 4531 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4532 Log.v(TAG, "Want this data dir: " + dataPath); 4533 } 4534 //invoke installer to do the actual installation 4535 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4536 pkg.applicationInfo.seinfo); 4537 if (ret < 0) { 4538 // Error from installer 4539 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4540 return null; 4541 } 4542 4543 if (dataPath.exists()) { 4544 pkg.applicationInfo.dataDir = dataPath.getPath(); 4545 } else { 4546 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4547 pkg.applicationInfo.dataDir = null; 4548 } 4549 } 4550 4551 /* 4552 * Set the data dir to the default "/data/data/<package name>/lib" 4553 * if we got here without anyone telling us different (e.g., apps 4554 * stored on SD card have their native libraries stored in the ASEC 4555 * container with the APK). 4556 * 4557 * This happens during an upgrade from a package settings file that 4558 * doesn't have a native library path attribute at all. 4559 */ 4560 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4561 if (pkgSetting.nativeLibraryPathString == null) { 4562 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4563 } else { 4564 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4565 } 4566 } 4567 4568 pkgSetting.uidError = uidError; 4569 } 4570 4571 String path = scanFile.getPath(); 4572 /* Note: We don't want to unpack the native binaries for 4573 * system applications, unless they have been updated 4574 * (the binaries are already under /system/lib). 4575 * Also, don't unpack libs for apps on the external card 4576 * since they should have their libraries in the ASEC 4577 * container already. 4578 * 4579 * In other words, we're going to unpack the binaries 4580 * only for non-system apps and system app upgrades. 4581 */ 4582 if (pkg.applicationInfo.nativeLibraryDir != null) { 4583 try { 4584 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4585 final String dataPathString = dataPath.getCanonicalPath(); 4586 4587 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4588 /* 4589 * Upgrading from a previous version of the OS sometimes 4590 * leaves native libraries in the /data/data/<app>/lib 4591 * directory for system apps even when they shouldn't be. 4592 * Recent changes in the JNI library search path 4593 * necessitates we remove those to match previous behavior. 4594 */ 4595 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4596 Log.i(TAG, "removed obsolete native libraries for system package " 4597 + path); 4598 } 4599 } else { 4600 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4601 /* 4602 * Update native library dir if it starts with 4603 * /data/data 4604 */ 4605 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4606 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4607 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4608 } 4609 4610 try { 4611 if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) { 4612 Slog.e(TAG, "Unable to copy native libraries"); 4613 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4614 return null; 4615 } 4616 } catch (IOException e) { 4617 Slog.e(TAG, "Unable to copy native libraries", e); 4618 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4619 return null; 4620 } 4621 } 4622 4623 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4624 final int[] userIds = sUserManager.getUserIds(); 4625 synchronized (mInstallLock) { 4626 for (int userId : userIds) { 4627 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4628 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4629 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4630 + ")"); 4631 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4632 return null; 4633 } 4634 } 4635 } 4636 } 4637 } catch (IOException ioe) { 4638 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4639 } 4640 } 4641 pkg.mScanPath = path; 4642 4643 if ((scanMode&SCAN_NO_DEX) == 0) { 4644 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4645 == DEX_OPT_FAILED) { 4646 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4647 removeDataDirsLI(pkg.packageName); 4648 } 4649 4650 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4651 return null; 4652 } 4653 } 4654 4655 if (mFactoryTest && pkg.requestedPermissions.contains( 4656 android.Manifest.permission.FACTORY_TEST)) { 4657 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4658 } 4659 4660 ArrayList<PackageParser.Package> clientLibPkgs = null; 4661 4662 // writer 4663 synchronized (mPackages) { 4664 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4665 // Only system apps can add new shared libraries. 4666 if (pkg.libraryNames != null) { 4667 for (int i=0; i<pkg.libraryNames.size(); i++) { 4668 String name = pkg.libraryNames.get(i); 4669 boolean allowed = false; 4670 if (isUpdatedSystemApp(pkg)) { 4671 // New library entries can only be added through the 4672 // system image. This is important to get rid of a lot 4673 // of nasty edge cases: for example if we allowed a non- 4674 // system update of the app to add a library, then uninstalling 4675 // the update would make the library go away, and assumptions 4676 // we made such as through app install filtering would now 4677 // have allowed apps on the device which aren't compatible 4678 // with it. Better to just have the restriction here, be 4679 // conservative, and create many fewer cases that can negatively 4680 // impact the user experience. 4681 final PackageSetting sysPs = mSettings 4682 .getDisabledSystemPkgLPr(pkg.packageName); 4683 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4684 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4685 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4686 allowed = true; 4687 allowed = true; 4688 break; 4689 } 4690 } 4691 } 4692 } else { 4693 allowed = true; 4694 } 4695 if (allowed) { 4696 if (!mSharedLibraries.containsKey(name)) { 4697 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4698 pkg.packageName)); 4699 } else if (!name.equals(pkg.packageName)) { 4700 Slog.w(TAG, "Package " + pkg.packageName + " library " 4701 + name + " already exists; skipping"); 4702 } 4703 } else { 4704 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4705 + name + " that is not declared on system image; skipping"); 4706 } 4707 } 4708 if ((scanMode&SCAN_BOOTING) == 0) { 4709 // If we are not booting, we need to update any applications 4710 // that are clients of our shared library. If we are booting, 4711 // this will all be done once the scan is complete. 4712 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4713 } 4714 } 4715 } 4716 } 4717 4718 // We also need to dexopt any apps that are dependent on this library. Note that 4719 // if these fail, we should abort the install since installing the library will 4720 // result in some apps being broken. 4721 if (clientLibPkgs != null) { 4722 if ((scanMode&SCAN_NO_DEX) == 0) { 4723 for (int i=0; i<clientLibPkgs.size(); i++) { 4724 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4725 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4726 == DEX_OPT_FAILED) { 4727 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4728 removeDataDirsLI(pkg.packageName); 4729 } 4730 4731 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4732 return null; 4733 } 4734 } 4735 } 4736 } 4737 4738 // Request the ActivityManager to kill the process(only for existing packages) 4739 // so that we do not end up in a confused state while the user is still using the older 4740 // version of the application while the new one gets installed. 4741 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4742 // If the package lives in an asec, tell everyone that the container is going 4743 // away so they can clean up any references to its resources (which would prevent 4744 // vold from being able to unmount the asec) 4745 if (isForwardLocked(pkg) || isExternal(pkg)) { 4746 if (DEBUG_INSTALL) { 4747 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4748 } 4749 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4750 final ArrayList<String> pkgList = new ArrayList<String>(1); 4751 pkgList.add(pkg.applicationInfo.packageName); 4752 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4753 } 4754 4755 // Post the request that it be killed now that the going-away broadcast is en route 4756 killApplication(pkg.applicationInfo.packageName, 4757 pkg.applicationInfo.uid, "update pkg"); 4758 } 4759 4760 // Also need to kill any apps that are dependent on the library. 4761 if (clientLibPkgs != null) { 4762 for (int i=0; i<clientLibPkgs.size(); i++) { 4763 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4764 killApplication(clientPkg.applicationInfo.packageName, 4765 clientPkg.applicationInfo.uid, "update lib"); 4766 } 4767 } 4768 4769 // writer 4770 synchronized (mPackages) { 4771 // We don't expect installation to fail beyond this point, 4772 if ((scanMode&SCAN_MONITOR) != 0) { 4773 mAppDirs.put(pkg.mPath, pkg); 4774 } 4775 // Add the new setting to mSettings 4776 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4777 // Add the new setting to mPackages 4778 mPackages.put(pkg.applicationInfo.packageName, pkg); 4779 // Make sure we don't accidentally delete its data. 4780 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4781 while (iter.hasNext()) { 4782 PackageCleanItem item = iter.next(); 4783 if (pkgName.equals(item.packageName)) { 4784 iter.remove(); 4785 } 4786 } 4787 4788 // Take care of first install / last update times. 4789 if (currentTime != 0) { 4790 if (pkgSetting.firstInstallTime == 0) { 4791 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4792 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4793 pkgSetting.lastUpdateTime = currentTime; 4794 } 4795 } else if (pkgSetting.firstInstallTime == 0) { 4796 // We need *something*. Take time time stamp of the file. 4797 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4798 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4799 if (scanFileTime != pkgSetting.timeStamp) { 4800 // A package on the system image has changed; consider this 4801 // to be an update. 4802 pkgSetting.lastUpdateTime = scanFileTime; 4803 } 4804 } 4805 4806 // Add the package's KeySets to the global KeySetManager 4807 KeySetManager ksm = mSettings.mKeySetManager; 4808 try { 4809 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 4810 if (pkg.mKeySetMapping != null) { 4811 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 4812 if (entry.getValue() != null) { 4813 ksm.addDefinedKeySetToPackage(pkg.packageName, 4814 entry.getValue(), entry.getKey()); 4815 } 4816 } 4817 } 4818 } catch (NullPointerException e) { 4819 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 4820 } catch (IllegalArgumentException e) { 4821 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 4822 } 4823 4824 int N = pkg.providers.size(); 4825 StringBuilder r = null; 4826 int i; 4827 for (i=0; i<N; i++) { 4828 PackageParser.Provider p = pkg.providers.get(i); 4829 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 4830 p.info.processName, pkg.applicationInfo.uid); 4831 mProviders.addProvider(p); 4832 p.syncable = p.info.isSyncable; 4833 if (p.info.authority != null) { 4834 String names[] = p.info.authority.split(";"); 4835 p.info.authority = null; 4836 for (int j = 0; j < names.length; j++) { 4837 if (j == 1 && p.syncable) { 4838 // We only want the first authority for a provider to possibly be 4839 // syncable, so if we already added this provider using a different 4840 // authority clear the syncable flag. We copy the provider before 4841 // changing it because the mProviders object contains a reference 4842 // to a provider that we don't want to change. 4843 // Only do this for the second authority since the resulting provider 4844 // object can be the same for all future authorities for this provider. 4845 p = new PackageParser.Provider(p); 4846 p.syncable = false; 4847 } 4848 if (!mProvidersByAuthority.containsKey(names[j])) { 4849 mProvidersByAuthority.put(names[j], p); 4850 if (p.info.authority == null) { 4851 p.info.authority = names[j]; 4852 } else { 4853 p.info.authority = p.info.authority + ";" + names[j]; 4854 } 4855 if (DEBUG_PACKAGE_SCANNING) { 4856 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4857 Log.d(TAG, "Registered content provider: " + names[j] 4858 + ", className = " + p.info.name + ", isSyncable = " 4859 + p.info.isSyncable); 4860 } 4861 } else { 4862 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4863 Slog.w(TAG, "Skipping provider name " + names[j] + 4864 " (in package " + pkg.applicationInfo.packageName + 4865 "): name already used by " 4866 + ((other != null && other.getComponentName() != null) 4867 ? other.getComponentName().getPackageName() : "?")); 4868 } 4869 } 4870 } 4871 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4872 if (r == null) { 4873 r = new StringBuilder(256); 4874 } else { 4875 r.append(' '); 4876 } 4877 r.append(p.info.name); 4878 } 4879 } 4880 if (r != null) { 4881 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 4882 } 4883 4884 N = pkg.services.size(); 4885 r = null; 4886 for (i=0; i<N; i++) { 4887 PackageParser.Service s = pkg.services.get(i); 4888 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 4889 s.info.processName, pkg.applicationInfo.uid); 4890 mServices.addService(s); 4891 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4892 if (r == null) { 4893 r = new StringBuilder(256); 4894 } else { 4895 r.append(' '); 4896 } 4897 r.append(s.info.name); 4898 } 4899 } 4900 if (r != null) { 4901 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 4902 } 4903 4904 N = pkg.receivers.size(); 4905 r = null; 4906 for (i=0; i<N; i++) { 4907 PackageParser.Activity a = pkg.receivers.get(i); 4908 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4909 a.info.processName, pkg.applicationInfo.uid); 4910 mReceivers.addActivity(a, "receiver"); 4911 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4912 if (r == null) { 4913 r = new StringBuilder(256); 4914 } else { 4915 r.append(' '); 4916 } 4917 r.append(a.info.name); 4918 } 4919 } 4920 if (r != null) { 4921 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 4922 } 4923 4924 N = pkg.activities.size(); 4925 r = null; 4926 for (i=0; i<N; i++) { 4927 PackageParser.Activity a = pkg.activities.get(i); 4928 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4929 a.info.processName, pkg.applicationInfo.uid); 4930 mActivities.addActivity(a, "activity"); 4931 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4932 if (r == null) { 4933 r = new StringBuilder(256); 4934 } else { 4935 r.append(' '); 4936 } 4937 r.append(a.info.name); 4938 } 4939 } 4940 if (r != null) { 4941 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 4942 } 4943 4944 N = pkg.permissionGroups.size(); 4945 r = null; 4946 for (i=0; i<N; i++) { 4947 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 4948 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 4949 if (cur == null) { 4950 mPermissionGroups.put(pg.info.name, pg); 4951 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4952 if (r == null) { 4953 r = new StringBuilder(256); 4954 } else { 4955 r.append(' '); 4956 } 4957 r.append(pg.info.name); 4958 } 4959 } else { 4960 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 4961 + pg.info.packageName + " ignored: original from " 4962 + cur.info.packageName); 4963 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4964 if (r == null) { 4965 r = new StringBuilder(256); 4966 } else { 4967 r.append(' '); 4968 } 4969 r.append("DUP:"); 4970 r.append(pg.info.name); 4971 } 4972 } 4973 } 4974 if (r != null) { 4975 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 4976 } 4977 4978 N = pkg.permissions.size(); 4979 r = null; 4980 for (i=0; i<N; i++) { 4981 PackageParser.Permission p = pkg.permissions.get(i); 4982 HashMap<String, BasePermission> permissionMap = 4983 p.tree ? mSettings.mPermissionTrees 4984 : mSettings.mPermissions; 4985 p.group = mPermissionGroups.get(p.info.group); 4986 if (p.info.group == null || p.group != null) { 4987 BasePermission bp = permissionMap.get(p.info.name); 4988 if (bp == null) { 4989 bp = new BasePermission(p.info.name, p.info.packageName, 4990 BasePermission.TYPE_NORMAL); 4991 permissionMap.put(p.info.name, bp); 4992 } 4993 if (bp.perm == null) { 4994 if (bp.sourcePackage != null 4995 && !bp.sourcePackage.equals(p.info.packageName)) { 4996 // If this is a permission that was formerly defined by a non-system 4997 // app, but is now defined by a system app (following an upgrade), 4998 // discard the previous declaration and consider the system's to be 4999 // canonical. 5000 if (isSystemApp(p.owner)) { 5001 String msg = "New decl " + p.owner + " of permission " 5002 + p.info.name + " is system"; 5003 reportSettingsProblem(Log.WARN, msg); 5004 bp.sourcePackage = null; 5005 } 5006 } 5007 if (bp.sourcePackage == null 5008 || bp.sourcePackage.equals(p.info.packageName)) { 5009 BasePermission tree = findPermissionTreeLP(p.info.name); 5010 if (tree == null 5011 || tree.sourcePackage.equals(p.info.packageName)) { 5012 bp.packageSetting = pkgSetting; 5013 bp.perm = p; 5014 bp.uid = pkg.applicationInfo.uid; 5015 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5016 if (r == null) { 5017 r = new StringBuilder(256); 5018 } else { 5019 r.append(' '); 5020 } 5021 r.append(p.info.name); 5022 } 5023 } else { 5024 Slog.w(TAG, "Permission " + p.info.name + " from package " 5025 + p.info.packageName + " ignored: base tree " 5026 + tree.name + " is from package " 5027 + tree.sourcePackage); 5028 } 5029 } else { 5030 Slog.w(TAG, "Permission " + p.info.name + " from package " 5031 + p.info.packageName + " ignored: original from " 5032 + bp.sourcePackage); 5033 } 5034 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5035 if (r == null) { 5036 r = new StringBuilder(256); 5037 } else { 5038 r.append(' '); 5039 } 5040 r.append("DUP:"); 5041 r.append(p.info.name); 5042 } 5043 if (bp.perm == p) { 5044 bp.protectionLevel = p.info.protectionLevel; 5045 } 5046 } else { 5047 Slog.w(TAG, "Permission " + p.info.name + " from package " 5048 + p.info.packageName + " ignored: no group " 5049 + p.group); 5050 } 5051 } 5052 if (r != null) { 5053 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5054 } 5055 5056 N = pkg.instrumentation.size(); 5057 r = null; 5058 for (i=0; i<N; i++) { 5059 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5060 a.info.packageName = pkg.applicationInfo.packageName; 5061 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5062 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5063 a.info.dataDir = pkg.applicationInfo.dataDir; 5064 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5065 mInstrumentation.put(a.getComponentName(), a); 5066 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5067 if (r == null) { 5068 r = new StringBuilder(256); 5069 } else { 5070 r.append(' '); 5071 } 5072 r.append(a.info.name); 5073 } 5074 } 5075 if (r != null) { 5076 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5077 } 5078 5079 if (pkg.protectedBroadcasts != null) { 5080 N = pkg.protectedBroadcasts.size(); 5081 for (i=0; i<N; i++) { 5082 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5083 } 5084 } 5085 5086 pkgSetting.setTimeStamp(scanFileTime); 5087 } 5088 5089 return pkg; 5090 } 5091 5092 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5093 synchronized (mPackages) { 5094 mResolverReplaced = true; 5095 // Set up information for custom user intent resolution activity. 5096 mResolveActivity.applicationInfo = pkg.applicationInfo; 5097 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5098 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5099 mResolveActivity.processName = null; 5100 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5101 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5102 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5103 mResolveActivity.theme = 0; 5104 mResolveActivity.exported = true; 5105 mResolveActivity.enabled = true; 5106 mResolveInfo.activityInfo = mResolveActivity; 5107 mResolveInfo.priority = 0; 5108 mResolveInfo.preferredOrder = 0; 5109 mResolveInfo.match = 0; 5110 mResolveComponentName = mCustomResolverComponentName; 5111 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5112 mResolveComponentName); 5113 } 5114 } 5115 5116 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5117 PackageSetting pkgSetting) { 5118 final String apkLibPath = getApkName(pkgSetting.codePathString); 5119 final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath(); 5120 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5121 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5122 } 5123 5124 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5125 throws IOException { 5126 if (!nativeLibraryDir.isDirectory()) { 5127 nativeLibraryDir.delete(); 5128 5129 if (!nativeLibraryDir.mkdir()) { 5130 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5131 } 5132 5133 try { 5134 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5135 | S_IXOTH); 5136 } catch (ErrnoException e) { 5137 throw new IOException("Cannot chmod native library directory " 5138 + nativeLibraryDir.getPath(), e); 5139 } 5140 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5141 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5142 } 5143 5144 /* 5145 * If this is an internal application or our nativeLibraryPath points to 5146 * the app-lib directory, unpack the libraries if necessary. 5147 */ 5148 return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 5149 } 5150 5151 private void killApplication(String pkgName, int appId, String reason) { 5152 // Request the ActivityManager to kill the process(only for existing packages) 5153 // so that we do not end up in a confused state while the user is still using the older 5154 // version of the application while the new one gets installed. 5155 IActivityManager am = ActivityManagerNative.getDefault(); 5156 if (am != null) { 5157 try { 5158 am.killApplicationWithAppId(pkgName, appId, reason); 5159 } catch (RemoteException e) { 5160 } 5161 } 5162 } 5163 5164 void removePackageLI(PackageSetting ps, boolean chatty) { 5165 if (DEBUG_INSTALL) { 5166 if (chatty) 5167 Log.d(TAG, "Removing package " + ps.name); 5168 } 5169 5170 // writer 5171 synchronized (mPackages) { 5172 mPackages.remove(ps.name); 5173 if (ps.codePathString != null) { 5174 mAppDirs.remove(ps.codePathString); 5175 } 5176 5177 final PackageParser.Package pkg = ps.pkg; 5178 if (pkg != null) { 5179 cleanPackageDataStructuresLILPw(pkg, chatty); 5180 } 5181 } 5182 } 5183 5184 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5185 if (DEBUG_INSTALL) { 5186 if (chatty) 5187 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5188 } 5189 5190 // writer 5191 synchronized (mPackages) { 5192 mPackages.remove(pkg.applicationInfo.packageName); 5193 if (pkg.mPath != null) { 5194 mAppDirs.remove(pkg.mPath); 5195 } 5196 cleanPackageDataStructuresLILPw(pkg, chatty); 5197 } 5198 } 5199 5200 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5201 int N = pkg.providers.size(); 5202 StringBuilder r = null; 5203 int i; 5204 for (i=0; i<N; i++) { 5205 PackageParser.Provider p = pkg.providers.get(i); 5206 mProviders.removeProvider(p); 5207 if (p.info.authority == null) { 5208 5209 /* There was another ContentProvider with this authority when 5210 * this app was installed so this authority is null, 5211 * Ignore it as we don't have to unregister the provider. 5212 */ 5213 continue; 5214 } 5215 String names[] = p.info.authority.split(";"); 5216 for (int j = 0; j < names.length; j++) { 5217 if (mProvidersByAuthority.get(names[j]) == p) { 5218 mProvidersByAuthority.remove(names[j]); 5219 if (DEBUG_REMOVE) { 5220 if (chatty) 5221 Log.d(TAG, "Unregistered content provider: " + names[j] 5222 + ", className = " + p.info.name + ", isSyncable = " 5223 + p.info.isSyncable); 5224 } 5225 } 5226 } 5227 if (DEBUG_REMOVE && chatty) { 5228 if (r == null) { 5229 r = new StringBuilder(256); 5230 } else { 5231 r.append(' '); 5232 } 5233 r.append(p.info.name); 5234 } 5235 } 5236 if (r != null) { 5237 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5238 } 5239 5240 N = pkg.services.size(); 5241 r = null; 5242 for (i=0; i<N; i++) { 5243 PackageParser.Service s = pkg.services.get(i); 5244 mServices.removeService(s); 5245 if (chatty) { 5246 if (r == null) { 5247 r = new StringBuilder(256); 5248 } else { 5249 r.append(' '); 5250 } 5251 r.append(s.info.name); 5252 } 5253 } 5254 if (r != null) { 5255 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5256 } 5257 5258 N = pkg.receivers.size(); 5259 r = null; 5260 for (i=0; i<N; i++) { 5261 PackageParser.Activity a = pkg.receivers.get(i); 5262 mReceivers.removeActivity(a, "receiver"); 5263 if (DEBUG_REMOVE && chatty) { 5264 if (r == null) { 5265 r = new StringBuilder(256); 5266 } else { 5267 r.append(' '); 5268 } 5269 r.append(a.info.name); 5270 } 5271 } 5272 if (r != null) { 5273 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5274 } 5275 5276 N = pkg.activities.size(); 5277 r = null; 5278 for (i=0; i<N; i++) { 5279 PackageParser.Activity a = pkg.activities.get(i); 5280 mActivities.removeActivity(a, "activity"); 5281 if (DEBUG_REMOVE && chatty) { 5282 if (r == null) { 5283 r = new StringBuilder(256); 5284 } else { 5285 r.append(' '); 5286 } 5287 r.append(a.info.name); 5288 } 5289 } 5290 if (r != null) { 5291 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5292 } 5293 5294 N = pkg.permissions.size(); 5295 r = null; 5296 for (i=0; i<N; i++) { 5297 PackageParser.Permission p = pkg.permissions.get(i); 5298 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5299 if (bp == null) { 5300 bp = mSettings.mPermissionTrees.get(p.info.name); 5301 } 5302 if (bp != null && bp.perm == p) { 5303 bp.perm = null; 5304 if (DEBUG_REMOVE && chatty) { 5305 if (r == null) { 5306 r = new StringBuilder(256); 5307 } else { 5308 r.append(' '); 5309 } 5310 r.append(p.info.name); 5311 } 5312 } 5313 } 5314 if (r != null) { 5315 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5316 } 5317 5318 N = pkg.instrumentation.size(); 5319 r = null; 5320 for (i=0; i<N; i++) { 5321 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5322 mInstrumentation.remove(a.getComponentName()); 5323 if (DEBUG_REMOVE && chatty) { 5324 if (r == null) { 5325 r = new StringBuilder(256); 5326 } else { 5327 r.append(' '); 5328 } 5329 r.append(a.info.name); 5330 } 5331 } 5332 if (r != null) { 5333 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5334 } 5335 5336 r = null; 5337 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5338 // Only system apps can hold shared libraries. 5339 if (pkg.libraryNames != null) { 5340 for (i=0; i<pkg.libraryNames.size(); i++) { 5341 String name = pkg.libraryNames.get(i); 5342 SharedLibraryEntry cur = mSharedLibraries.get(name); 5343 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5344 mSharedLibraries.remove(name); 5345 if (DEBUG_REMOVE && chatty) { 5346 if (r == null) { 5347 r = new StringBuilder(256); 5348 } else { 5349 r.append(' '); 5350 } 5351 r.append(name); 5352 } 5353 } 5354 } 5355 } 5356 } 5357 if (r != null) { 5358 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5359 } 5360 } 5361 5362 private static final boolean isPackageFilename(String name) { 5363 return name != null && name.endsWith(".apk"); 5364 } 5365 5366 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5367 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5368 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5369 return true; 5370 } 5371 } 5372 return false; 5373 } 5374 5375 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5376 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5377 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5378 5379 private void updatePermissionsLPw(String changingPkg, 5380 PackageParser.Package pkgInfo, int flags) { 5381 // Make sure there are no dangling permission trees. 5382 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5383 while (it.hasNext()) { 5384 final BasePermission bp = it.next(); 5385 if (bp.packageSetting == null) { 5386 // We may not yet have parsed the package, so just see if 5387 // we still know about its settings. 5388 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5389 } 5390 if (bp.packageSetting == null) { 5391 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5392 + " from package " + bp.sourcePackage); 5393 it.remove(); 5394 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5395 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5396 Slog.i(TAG, "Removing old permission tree: " + bp.name 5397 + " from package " + bp.sourcePackage); 5398 flags |= UPDATE_PERMISSIONS_ALL; 5399 it.remove(); 5400 } 5401 } 5402 } 5403 5404 // Make sure all dynamic permissions have been assigned to a package, 5405 // and make sure there are no dangling permissions. 5406 it = mSettings.mPermissions.values().iterator(); 5407 while (it.hasNext()) { 5408 final BasePermission bp = it.next(); 5409 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5410 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5411 + bp.name + " pkg=" + bp.sourcePackage 5412 + " info=" + bp.pendingInfo); 5413 if (bp.packageSetting == null && bp.pendingInfo != null) { 5414 final BasePermission tree = findPermissionTreeLP(bp.name); 5415 if (tree != null && tree.perm != null) { 5416 bp.packageSetting = tree.packageSetting; 5417 bp.perm = new PackageParser.Permission(tree.perm.owner, 5418 new PermissionInfo(bp.pendingInfo)); 5419 bp.perm.info.packageName = tree.perm.info.packageName; 5420 bp.perm.info.name = bp.name; 5421 bp.uid = tree.uid; 5422 } 5423 } 5424 } 5425 if (bp.packageSetting == null) { 5426 // We may not yet have parsed the package, so just see if 5427 // we still know about its settings. 5428 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5429 } 5430 if (bp.packageSetting == null) { 5431 Slog.w(TAG, "Removing dangling permission: " + bp.name 5432 + " from package " + bp.sourcePackage); 5433 it.remove(); 5434 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5435 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5436 Slog.i(TAG, "Removing old permission: " + bp.name 5437 + " from package " + bp.sourcePackage); 5438 flags |= UPDATE_PERMISSIONS_ALL; 5439 it.remove(); 5440 } 5441 } 5442 } 5443 5444 // Now update the permissions for all packages, in particular 5445 // replace the granted permissions of the system packages. 5446 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5447 for (PackageParser.Package pkg : mPackages.values()) { 5448 if (pkg != pkgInfo) { 5449 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5450 } 5451 } 5452 } 5453 5454 if (pkgInfo != null) { 5455 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5456 } 5457 } 5458 5459 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5460 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5461 if (ps == null) { 5462 return; 5463 } 5464 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5465 HashSet<String> origPermissions = gp.grantedPermissions; 5466 boolean changedPermission = false; 5467 5468 if (replace) { 5469 ps.permissionsFixed = false; 5470 if (gp == ps) { 5471 origPermissions = new HashSet<String>(gp.grantedPermissions); 5472 gp.grantedPermissions.clear(); 5473 gp.gids = mGlobalGids; 5474 } 5475 } 5476 5477 if (gp.gids == null) { 5478 gp.gids = mGlobalGids; 5479 } 5480 5481 final int N = pkg.requestedPermissions.size(); 5482 for (int i=0; i<N; i++) { 5483 final String name = pkg.requestedPermissions.get(i); 5484 final boolean required = pkg.requestedPermissionsRequired.get(i); 5485 final BasePermission bp = mSettings.mPermissions.get(name); 5486 if (DEBUG_INSTALL) { 5487 if (gp != ps) { 5488 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5489 } 5490 } 5491 5492 if (bp == null || bp.packageSetting == null) { 5493 Slog.w(TAG, "Unknown permission " + name 5494 + " in package " + pkg.packageName); 5495 continue; 5496 } 5497 5498 final String perm = bp.name; 5499 boolean allowed; 5500 boolean allowedSig = false; 5501 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5502 if (level == PermissionInfo.PROTECTION_NORMAL 5503 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5504 // We grant a normal or dangerous permission if any of the following 5505 // are true: 5506 // 1) The permission is required 5507 // 2) The permission is optional, but was granted in the past 5508 // 3) The permission is optional, but was requested by an 5509 // app in /system (not /data) 5510 // 5511 // Otherwise, reject the permission. 5512 allowed = (required || origPermissions.contains(perm) 5513 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5514 } else if (bp.packageSetting == null) { 5515 // This permission is invalid; skip it. 5516 allowed = false; 5517 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5518 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5519 if (allowed) { 5520 allowedSig = true; 5521 } 5522 } else { 5523 allowed = false; 5524 } 5525 if (DEBUG_INSTALL) { 5526 if (gp != ps) { 5527 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5528 } 5529 } 5530 if (allowed) { 5531 if (!isSystemApp(ps) && ps.permissionsFixed) { 5532 // If this is an existing, non-system package, then 5533 // we can't add any new permissions to it. 5534 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5535 // Except... if this is a permission that was added 5536 // to the platform (note: need to only do this when 5537 // updating the platform). 5538 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5539 } 5540 } 5541 if (allowed) { 5542 if (!gp.grantedPermissions.contains(perm)) { 5543 changedPermission = true; 5544 gp.grantedPermissions.add(perm); 5545 gp.gids = appendInts(gp.gids, bp.gids); 5546 } else if (!ps.haveGids) { 5547 gp.gids = appendInts(gp.gids, bp.gids); 5548 } 5549 } else { 5550 Slog.w(TAG, "Not granting permission " + perm 5551 + " to package " + pkg.packageName 5552 + " because it was previously installed without"); 5553 } 5554 } else { 5555 if (gp.grantedPermissions.remove(perm)) { 5556 changedPermission = true; 5557 gp.gids = removeInts(gp.gids, bp.gids); 5558 Slog.i(TAG, "Un-granting permission " + perm 5559 + " from package " + pkg.packageName 5560 + " (protectionLevel=" + bp.protectionLevel 5561 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5562 + ")"); 5563 } else { 5564 Slog.w(TAG, "Not granting permission " + perm 5565 + " to package " + pkg.packageName 5566 + " (protectionLevel=" + bp.protectionLevel 5567 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5568 + ")"); 5569 } 5570 } 5571 } 5572 5573 if ((changedPermission || replace) && !ps.permissionsFixed && 5574 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5575 // This is the first that we have heard about this package, so the 5576 // permissions we have now selected are fixed until explicitly 5577 // changed. 5578 ps.permissionsFixed = true; 5579 } 5580 ps.haveGids = true; 5581 } 5582 5583 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5584 boolean allowed = false; 5585 final int NP = PackageParser.NEW_PERMISSIONS.length; 5586 for (int ip=0; ip<NP; ip++) { 5587 final PackageParser.NewPermissionInfo npi 5588 = PackageParser.NEW_PERMISSIONS[ip]; 5589 if (npi.name.equals(perm) 5590 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5591 allowed = true; 5592 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5593 + pkg.packageName); 5594 break; 5595 } 5596 } 5597 return allowed; 5598 } 5599 5600 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5601 BasePermission bp, HashSet<String> origPermissions) { 5602 boolean allowed; 5603 allowed = (compareSignatures( 5604 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5605 == PackageManager.SIGNATURE_MATCH) 5606 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5607 == PackageManager.SIGNATURE_MATCH); 5608 if (!allowed && (bp.protectionLevel 5609 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5610 if (isSystemApp(pkg)) { 5611 // For updated system applications, a system permission 5612 // is granted only if it had been defined by the original application. 5613 if (isUpdatedSystemApp(pkg)) { 5614 final PackageSetting sysPs = mSettings 5615 .getDisabledSystemPkgLPr(pkg.packageName); 5616 final GrantedPermissions origGp = sysPs.sharedUser != null 5617 ? sysPs.sharedUser : sysPs; 5618 5619 if (origGp.grantedPermissions.contains(perm)) { 5620 // If the original was granted this permission, we take 5621 // that grant decision as read and propagate it to the 5622 // update. 5623 allowed = true; 5624 } else { 5625 // The system apk may have been updated with an older 5626 // version of the one on the data partition, but which 5627 // granted a new system permission that it didn't have 5628 // before. In this case we do want to allow the app to 5629 // now get the new permission if the ancestral apk is 5630 // privileged to get it. 5631 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5632 for (int j=0; 5633 j<sysPs.pkg.requestedPermissions.size(); j++) { 5634 if (perm.equals( 5635 sysPs.pkg.requestedPermissions.get(j))) { 5636 allowed = true; 5637 break; 5638 } 5639 } 5640 } 5641 } 5642 } else { 5643 allowed = isPrivilegedApp(pkg); 5644 } 5645 } 5646 } 5647 if (!allowed && (bp.protectionLevel 5648 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5649 // For development permissions, a development permission 5650 // is granted only if it was already granted. 5651 allowed = origPermissions.contains(perm); 5652 } 5653 return allowed; 5654 } 5655 5656 final class ActivityIntentResolver 5657 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5658 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5659 boolean defaultOnly, int userId) { 5660 if (!sUserManager.exists(userId)) return null; 5661 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5662 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5663 } 5664 5665 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5666 int userId) { 5667 if (!sUserManager.exists(userId)) return null; 5668 mFlags = flags; 5669 return super.queryIntent(intent, resolvedType, 5670 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5671 } 5672 5673 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5674 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5675 if (!sUserManager.exists(userId)) return null; 5676 if (packageActivities == null) { 5677 return null; 5678 } 5679 mFlags = flags; 5680 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5681 final int N = packageActivities.size(); 5682 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5683 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5684 5685 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5686 for (int i = 0; i < N; ++i) { 5687 intentFilters = packageActivities.get(i).intents; 5688 if (intentFilters != null && intentFilters.size() > 0) { 5689 PackageParser.ActivityIntentInfo[] array = 5690 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5691 intentFilters.toArray(array); 5692 listCut.add(array); 5693 } 5694 } 5695 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5696 } 5697 5698 public final void addActivity(PackageParser.Activity a, String type) { 5699 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5700 mActivities.put(a.getComponentName(), a); 5701 if (DEBUG_SHOW_INFO) 5702 Log.v( 5703 TAG, " " + type + " " + 5704 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5705 if (DEBUG_SHOW_INFO) 5706 Log.v(TAG, " Class=" + a.info.name); 5707 final int NI = a.intents.size(); 5708 for (int j=0; j<NI; j++) { 5709 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5710 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5711 intent.setPriority(0); 5712 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5713 + a.className + " with priority > 0, forcing to 0"); 5714 } 5715 if (DEBUG_SHOW_INFO) { 5716 Log.v(TAG, " IntentFilter:"); 5717 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5718 } 5719 if (!intent.debugCheck()) { 5720 Log.w(TAG, "==> For Activity " + a.info.name); 5721 } 5722 addFilter(intent); 5723 } 5724 } 5725 5726 public final void removeActivity(PackageParser.Activity a, String type) { 5727 mActivities.remove(a.getComponentName()); 5728 if (DEBUG_SHOW_INFO) { 5729 Log.v(TAG, " " + type + " " 5730 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5731 : a.info.name) + ":"); 5732 Log.v(TAG, " Class=" + a.info.name); 5733 } 5734 final int NI = a.intents.size(); 5735 for (int j=0; j<NI; j++) { 5736 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5737 if (DEBUG_SHOW_INFO) { 5738 Log.v(TAG, " IntentFilter:"); 5739 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5740 } 5741 removeFilter(intent); 5742 } 5743 } 5744 5745 @Override 5746 protected boolean allowFilterResult( 5747 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5748 ActivityInfo filterAi = filter.activity.info; 5749 for (int i=dest.size()-1; i>=0; i--) { 5750 ActivityInfo destAi = dest.get(i).activityInfo; 5751 if (destAi.name == filterAi.name 5752 && destAi.packageName == filterAi.packageName) { 5753 return false; 5754 } 5755 } 5756 return true; 5757 } 5758 5759 @Override 5760 protected ActivityIntentInfo[] newArray(int size) { 5761 return new ActivityIntentInfo[size]; 5762 } 5763 5764 @Override 5765 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5766 if (!sUserManager.exists(userId)) return true; 5767 PackageParser.Package p = filter.activity.owner; 5768 if (p != null) { 5769 PackageSetting ps = (PackageSetting)p.mExtras; 5770 if (ps != null) { 5771 // System apps are never considered stopped for purposes of 5772 // filtering, because there may be no way for the user to 5773 // actually re-launch them. 5774 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 5775 && ps.getStopped(userId); 5776 } 5777 } 5778 return false; 5779 } 5780 5781 @Override 5782 protected boolean isPackageForFilter(String packageName, 5783 PackageParser.ActivityIntentInfo info) { 5784 return packageName.equals(info.activity.owner.packageName); 5785 } 5786 5787 @Override 5788 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 5789 int match, int userId) { 5790 if (!sUserManager.exists(userId)) return null; 5791 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 5792 return null; 5793 } 5794 final PackageParser.Activity activity = info.activity; 5795 if (mSafeMode && (activity.info.applicationInfo.flags 5796 &ApplicationInfo.FLAG_SYSTEM) == 0) { 5797 return null; 5798 } 5799 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 5800 if (ps == null) { 5801 return null; 5802 } 5803 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 5804 ps.readUserState(userId), userId); 5805 if (ai == null) { 5806 return null; 5807 } 5808 final ResolveInfo res = new ResolveInfo(); 5809 res.activityInfo = ai; 5810 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 5811 res.filter = info; 5812 } 5813 res.priority = info.getPriority(); 5814 res.preferredOrder = activity.owner.mPreferredOrder; 5815 //System.out.println("Result: " + res.activityInfo.className + 5816 // " = " + res.priority); 5817 res.match = match; 5818 res.isDefault = info.hasDefault; 5819 res.labelRes = info.labelRes; 5820 res.nonLocalizedLabel = info.nonLocalizedLabel; 5821 res.icon = info.icon; 5822 res.system = isSystemApp(res.activityInfo.applicationInfo); 5823 return res; 5824 } 5825 5826 @Override 5827 protected void sortResults(List<ResolveInfo> results) { 5828 Collections.sort(results, mResolvePrioritySorter); 5829 } 5830 5831 @Override 5832 protected void dumpFilter(PrintWriter out, String prefix, 5833 PackageParser.ActivityIntentInfo filter) { 5834 out.print(prefix); out.print( 5835 Integer.toHexString(System.identityHashCode(filter.activity))); 5836 out.print(' '); 5837 filter.activity.printComponentShortName(out); 5838 out.print(" filter "); 5839 out.println(Integer.toHexString(System.identityHashCode(filter))); 5840 } 5841 5842// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 5843// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 5844// final List<ResolveInfo> retList = Lists.newArrayList(); 5845// while (i.hasNext()) { 5846// final ResolveInfo resolveInfo = i.next(); 5847// if (isEnabledLP(resolveInfo.activityInfo)) { 5848// retList.add(resolveInfo); 5849// } 5850// } 5851// return retList; 5852// } 5853 5854 // Keys are String (activity class name), values are Activity. 5855 private final HashMap<ComponentName, PackageParser.Activity> mActivities 5856 = new HashMap<ComponentName, PackageParser.Activity>(); 5857 private int mFlags; 5858 } 5859 5860 private final class ServiceIntentResolver 5861 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 5862 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5863 boolean defaultOnly, int userId) { 5864 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5865 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5866 } 5867 5868 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5869 int userId) { 5870 if (!sUserManager.exists(userId)) return null; 5871 mFlags = flags; 5872 return super.queryIntent(intent, resolvedType, 5873 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5874 } 5875 5876 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5877 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 5878 if (!sUserManager.exists(userId)) return null; 5879 if (packageServices == null) { 5880 return null; 5881 } 5882 mFlags = flags; 5883 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5884 final int N = packageServices.size(); 5885 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 5886 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 5887 5888 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 5889 for (int i = 0; i < N; ++i) { 5890 intentFilters = packageServices.get(i).intents; 5891 if (intentFilters != null && intentFilters.size() > 0) { 5892 PackageParser.ServiceIntentInfo[] array = 5893 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 5894 intentFilters.toArray(array); 5895 listCut.add(array); 5896 } 5897 } 5898 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5899 } 5900 5901 public final void addService(PackageParser.Service s) { 5902 mServices.put(s.getComponentName(), s); 5903 if (DEBUG_SHOW_INFO) { 5904 Log.v(TAG, " " 5905 + (s.info.nonLocalizedLabel != null 5906 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5907 Log.v(TAG, " Class=" + s.info.name); 5908 } 5909 final int NI = s.intents.size(); 5910 int j; 5911 for (j=0; j<NI; j++) { 5912 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5913 if (DEBUG_SHOW_INFO) { 5914 Log.v(TAG, " IntentFilter:"); 5915 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5916 } 5917 if (!intent.debugCheck()) { 5918 Log.w(TAG, "==> For Service " + s.info.name); 5919 } 5920 addFilter(intent); 5921 } 5922 } 5923 5924 public final void removeService(PackageParser.Service s) { 5925 mServices.remove(s.getComponentName()); 5926 if (DEBUG_SHOW_INFO) { 5927 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 5928 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5929 Log.v(TAG, " Class=" + s.info.name); 5930 } 5931 final int NI = s.intents.size(); 5932 int j; 5933 for (j=0; j<NI; j++) { 5934 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5935 if (DEBUG_SHOW_INFO) { 5936 Log.v(TAG, " IntentFilter:"); 5937 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5938 } 5939 removeFilter(intent); 5940 } 5941 } 5942 5943 @Override 5944 protected boolean allowFilterResult( 5945 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 5946 ServiceInfo filterSi = filter.service.info; 5947 for (int i=dest.size()-1; i>=0; i--) { 5948 ServiceInfo destAi = dest.get(i).serviceInfo; 5949 if (destAi.name == filterSi.name 5950 && destAi.packageName == filterSi.packageName) { 5951 return false; 5952 } 5953 } 5954 return true; 5955 } 5956 5957 @Override 5958 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 5959 return new PackageParser.ServiceIntentInfo[size]; 5960 } 5961 5962 @Override 5963 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 5964 if (!sUserManager.exists(userId)) return true; 5965 PackageParser.Package p = filter.service.owner; 5966 if (p != null) { 5967 PackageSetting ps = (PackageSetting)p.mExtras; 5968 if (ps != null) { 5969 // System apps are never considered stopped for purposes of 5970 // filtering, because there may be no way for the user to 5971 // actually re-launch them. 5972 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 5973 && ps.getStopped(userId); 5974 } 5975 } 5976 return false; 5977 } 5978 5979 @Override 5980 protected boolean isPackageForFilter(String packageName, 5981 PackageParser.ServiceIntentInfo info) { 5982 return packageName.equals(info.service.owner.packageName); 5983 } 5984 5985 @Override 5986 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 5987 int match, int userId) { 5988 if (!sUserManager.exists(userId)) return null; 5989 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 5990 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 5991 return null; 5992 } 5993 final PackageParser.Service service = info.service; 5994 if (mSafeMode && (service.info.applicationInfo.flags 5995 &ApplicationInfo.FLAG_SYSTEM) == 0) { 5996 return null; 5997 } 5998 PackageSetting ps = (PackageSetting) service.owner.mExtras; 5999 if (ps == null) { 6000 return null; 6001 } 6002 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6003 ps.readUserState(userId), userId); 6004 if (si == null) { 6005 return null; 6006 } 6007 final ResolveInfo res = new ResolveInfo(); 6008 res.serviceInfo = si; 6009 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6010 res.filter = filter; 6011 } 6012 res.priority = info.getPriority(); 6013 res.preferredOrder = service.owner.mPreferredOrder; 6014 //System.out.println("Result: " + res.activityInfo.className + 6015 // " = " + res.priority); 6016 res.match = match; 6017 res.isDefault = info.hasDefault; 6018 res.labelRes = info.labelRes; 6019 res.nonLocalizedLabel = info.nonLocalizedLabel; 6020 res.icon = info.icon; 6021 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6022 return res; 6023 } 6024 6025 @Override 6026 protected void sortResults(List<ResolveInfo> results) { 6027 Collections.sort(results, mResolvePrioritySorter); 6028 } 6029 6030 @Override 6031 protected void dumpFilter(PrintWriter out, String prefix, 6032 PackageParser.ServiceIntentInfo filter) { 6033 out.print(prefix); out.print( 6034 Integer.toHexString(System.identityHashCode(filter.service))); 6035 out.print(' '); 6036 filter.service.printComponentShortName(out); 6037 out.print(" filter "); 6038 out.println(Integer.toHexString(System.identityHashCode(filter))); 6039 } 6040 6041// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6042// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6043// final List<ResolveInfo> retList = Lists.newArrayList(); 6044// while (i.hasNext()) { 6045// final ResolveInfo resolveInfo = (ResolveInfo) i; 6046// if (isEnabledLP(resolveInfo.serviceInfo)) { 6047// retList.add(resolveInfo); 6048// } 6049// } 6050// return retList; 6051// } 6052 6053 // Keys are String (activity class name), values are Activity. 6054 private final HashMap<ComponentName, PackageParser.Service> mServices 6055 = new HashMap<ComponentName, PackageParser.Service>(); 6056 private int mFlags; 6057 }; 6058 6059 private final class ProviderIntentResolver 6060 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6061 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6062 boolean defaultOnly, int userId) { 6063 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6064 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6065 } 6066 6067 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6068 int userId) { 6069 if (!sUserManager.exists(userId)) 6070 return null; 6071 mFlags = flags; 6072 return super.queryIntent(intent, resolvedType, 6073 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6074 } 6075 6076 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6077 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6078 if (!sUserManager.exists(userId)) 6079 return null; 6080 if (packageProviders == null) { 6081 return null; 6082 } 6083 mFlags = flags; 6084 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6085 final int N = packageProviders.size(); 6086 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6087 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6088 6089 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6090 for (int i = 0; i < N; ++i) { 6091 intentFilters = packageProviders.get(i).intents; 6092 if (intentFilters != null && intentFilters.size() > 0) { 6093 PackageParser.ProviderIntentInfo[] array = 6094 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6095 intentFilters.toArray(array); 6096 listCut.add(array); 6097 } 6098 } 6099 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6100 } 6101 6102 public final void addProvider(PackageParser.Provider p) { 6103 mProviders.put(p.getComponentName(), p); 6104 if (DEBUG_SHOW_INFO) { 6105 Log.v(TAG, " " 6106 + (p.info.nonLocalizedLabel != null 6107 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6108 Log.v(TAG, " Class=" + p.info.name); 6109 } 6110 final int NI = p.intents.size(); 6111 int j; 6112 for (j = 0; j < NI; j++) { 6113 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6114 if (DEBUG_SHOW_INFO) { 6115 Log.v(TAG, " IntentFilter:"); 6116 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6117 } 6118 if (!intent.debugCheck()) { 6119 Log.w(TAG, "==> For Provider " + p.info.name); 6120 } 6121 addFilter(intent); 6122 } 6123 } 6124 6125 public final void removeProvider(PackageParser.Provider p) { 6126 mProviders.remove(p.getComponentName()); 6127 if (DEBUG_SHOW_INFO) { 6128 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6129 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6130 Log.v(TAG, " Class=" + p.info.name); 6131 } 6132 final int NI = p.intents.size(); 6133 int j; 6134 for (j = 0; j < NI; j++) { 6135 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6136 if (DEBUG_SHOW_INFO) { 6137 Log.v(TAG, " IntentFilter:"); 6138 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6139 } 6140 removeFilter(intent); 6141 } 6142 } 6143 6144 @Override 6145 protected boolean allowFilterResult( 6146 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6147 ProviderInfo filterPi = filter.provider.info; 6148 for (int i = dest.size() - 1; i >= 0; i--) { 6149 ProviderInfo destPi = dest.get(i).providerInfo; 6150 if (destPi.name == filterPi.name 6151 && destPi.packageName == filterPi.packageName) { 6152 return false; 6153 } 6154 } 6155 return true; 6156 } 6157 6158 @Override 6159 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6160 return new PackageParser.ProviderIntentInfo[size]; 6161 } 6162 6163 @Override 6164 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6165 if (!sUserManager.exists(userId)) 6166 return true; 6167 PackageParser.Package p = filter.provider.owner; 6168 if (p != null) { 6169 PackageSetting ps = (PackageSetting) p.mExtras; 6170 if (ps != null) { 6171 // System apps are never considered stopped for purposes of 6172 // filtering, because there may be no way for the user to 6173 // actually re-launch them. 6174 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6175 && ps.getStopped(userId); 6176 } 6177 } 6178 return false; 6179 } 6180 6181 @Override 6182 protected boolean isPackageForFilter(String packageName, 6183 PackageParser.ProviderIntentInfo info) { 6184 return packageName.equals(info.provider.owner.packageName); 6185 } 6186 6187 @Override 6188 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6189 int match, int userId) { 6190 if (!sUserManager.exists(userId)) 6191 return null; 6192 final PackageParser.ProviderIntentInfo info = filter; 6193 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6194 return null; 6195 } 6196 final PackageParser.Provider provider = info.provider; 6197 if (mSafeMode && (provider.info.applicationInfo.flags 6198 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6199 return null; 6200 } 6201 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6202 if (ps == null) { 6203 return null; 6204 } 6205 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6206 ps.readUserState(userId), userId); 6207 if (pi == null) { 6208 return null; 6209 } 6210 final ResolveInfo res = new ResolveInfo(); 6211 res.providerInfo = pi; 6212 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6213 res.filter = filter; 6214 } 6215 res.priority = info.getPriority(); 6216 res.preferredOrder = provider.owner.mPreferredOrder; 6217 res.match = match; 6218 res.isDefault = info.hasDefault; 6219 res.labelRes = info.labelRes; 6220 res.nonLocalizedLabel = info.nonLocalizedLabel; 6221 res.icon = info.icon; 6222 res.system = isSystemApp(res.providerInfo.applicationInfo); 6223 return res; 6224 } 6225 6226 @Override 6227 protected void sortResults(List<ResolveInfo> results) { 6228 Collections.sort(results, mResolvePrioritySorter); 6229 } 6230 6231 @Override 6232 protected void dumpFilter(PrintWriter out, String prefix, 6233 PackageParser.ProviderIntentInfo filter) { 6234 out.print(prefix); 6235 out.print( 6236 Integer.toHexString(System.identityHashCode(filter.provider))); 6237 out.print(' '); 6238 filter.provider.printComponentShortName(out); 6239 out.print(" filter "); 6240 out.println(Integer.toHexString(System.identityHashCode(filter))); 6241 } 6242 6243 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6244 = new HashMap<ComponentName, PackageParser.Provider>(); 6245 private int mFlags; 6246 }; 6247 6248 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6249 new Comparator<ResolveInfo>() { 6250 public int compare(ResolveInfo r1, ResolveInfo r2) { 6251 int v1 = r1.priority; 6252 int v2 = r2.priority; 6253 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6254 if (v1 != v2) { 6255 return (v1 > v2) ? -1 : 1; 6256 } 6257 v1 = r1.preferredOrder; 6258 v2 = r2.preferredOrder; 6259 if (v1 != v2) { 6260 return (v1 > v2) ? -1 : 1; 6261 } 6262 if (r1.isDefault != r2.isDefault) { 6263 return r1.isDefault ? -1 : 1; 6264 } 6265 v1 = r1.match; 6266 v2 = r2.match; 6267 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6268 if (v1 != v2) { 6269 return (v1 > v2) ? -1 : 1; 6270 } 6271 if (r1.system != r2.system) { 6272 return r1.system ? -1 : 1; 6273 } 6274 return 0; 6275 } 6276 }; 6277 6278 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6279 new Comparator<ProviderInfo>() { 6280 public int compare(ProviderInfo p1, ProviderInfo p2) { 6281 final int v1 = p1.initOrder; 6282 final int v2 = p2.initOrder; 6283 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6284 } 6285 }; 6286 6287 static final void sendPackageBroadcast(String action, String pkg, 6288 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6289 int[] userIds) { 6290 IActivityManager am = ActivityManagerNative.getDefault(); 6291 if (am != null) { 6292 try { 6293 if (userIds == null) { 6294 userIds = am.getRunningUserIds(); 6295 } 6296 for (int id : userIds) { 6297 final Intent intent = new Intent(action, 6298 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6299 if (extras != null) { 6300 intent.putExtras(extras); 6301 } 6302 if (targetPkg != null) { 6303 intent.setPackage(targetPkg); 6304 } 6305 // Modify the UID when posting to other users 6306 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6307 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6308 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6309 intent.putExtra(Intent.EXTRA_UID, uid); 6310 } 6311 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6312 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6313 if (DEBUG_BROADCASTS) { 6314 RuntimeException here = new RuntimeException("here"); 6315 here.fillInStackTrace(); 6316 Slog.d(TAG, "Sending to user " + id + ": " 6317 + intent.toShortString(false, true, false, false) 6318 + " " + intent.getExtras(), here); 6319 } 6320 am.broadcastIntent(null, intent, null, finishedReceiver, 6321 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6322 finishedReceiver != null, false, id); 6323 } 6324 } catch (RemoteException ex) { 6325 } 6326 } 6327 } 6328 6329 /** 6330 * Check if the external storage media is available. This is true if there 6331 * is a mounted external storage medium or if the external storage is 6332 * emulated. 6333 */ 6334 private boolean isExternalMediaAvailable() { 6335 return mMediaMounted || Environment.isExternalStorageEmulated(); 6336 } 6337 6338 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6339 // writer 6340 synchronized (mPackages) { 6341 if (!isExternalMediaAvailable()) { 6342 // If the external storage is no longer mounted at this point, 6343 // the caller may not have been able to delete all of this 6344 // packages files and can not delete any more. Bail. 6345 return null; 6346 } 6347 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6348 if (lastPackage != null) { 6349 pkgs.remove(lastPackage); 6350 } 6351 if (pkgs.size() > 0) { 6352 return pkgs.get(0); 6353 } 6354 } 6355 return null; 6356 } 6357 6358 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6359 if (false) { 6360 RuntimeException here = new RuntimeException("here"); 6361 here.fillInStackTrace(); 6362 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6363 + " andCode=" + andCode, here); 6364 } 6365 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6366 userId, andCode ? 1 : 0, packageName)); 6367 } 6368 6369 void startCleaningPackages() { 6370 // reader 6371 synchronized (mPackages) { 6372 if (!isExternalMediaAvailable()) { 6373 return; 6374 } 6375 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6376 return; 6377 } 6378 } 6379 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6380 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6381 IActivityManager am = ActivityManagerNative.getDefault(); 6382 if (am != null) { 6383 try { 6384 am.startService(null, intent, null, UserHandle.USER_OWNER); 6385 } catch (RemoteException e) { 6386 } 6387 } 6388 } 6389 6390 private final class AppDirObserver extends FileObserver { 6391 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6392 super(path, mask); 6393 mRootDir = path; 6394 mIsRom = isrom; 6395 mIsPrivileged = isPrivileged; 6396 } 6397 6398 public void onEvent(int event, String path) { 6399 String removedPackage = null; 6400 int removedAppId = -1; 6401 int[] removedUsers = null; 6402 String addedPackage = null; 6403 int addedAppId = -1; 6404 int[] addedUsers = null; 6405 6406 // TODO post a message to the handler to obtain serial ordering 6407 synchronized (mInstallLock) { 6408 String fullPathStr = null; 6409 File fullPath = null; 6410 if (path != null) { 6411 fullPath = new File(mRootDir, path); 6412 fullPathStr = fullPath.getPath(); 6413 } 6414 6415 if (DEBUG_APP_DIR_OBSERVER) 6416 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6417 6418 if (!isPackageFilename(path)) { 6419 if (DEBUG_APP_DIR_OBSERVER) 6420 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6421 return; 6422 } 6423 6424 // Ignore packages that are being installed or 6425 // have just been installed. 6426 if (ignoreCodePath(fullPathStr)) { 6427 return; 6428 } 6429 PackageParser.Package p = null; 6430 PackageSetting ps = null; 6431 // reader 6432 synchronized (mPackages) { 6433 p = mAppDirs.get(fullPathStr); 6434 if (p != null) { 6435 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6436 if (ps != null) { 6437 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6438 } else { 6439 removedUsers = sUserManager.getUserIds(); 6440 } 6441 } 6442 addedUsers = sUserManager.getUserIds(); 6443 } 6444 if ((event&REMOVE_EVENTS) != 0) { 6445 if (ps != null) { 6446 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6447 removePackageLI(ps, true); 6448 removedPackage = ps.name; 6449 removedAppId = ps.appId; 6450 } 6451 } 6452 6453 if ((event&ADD_EVENTS) != 0) { 6454 if (p == null) { 6455 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6456 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6457 if (mIsRom) { 6458 flags |= PackageParser.PARSE_IS_SYSTEM 6459 | PackageParser.PARSE_IS_SYSTEM_DIR; 6460 if (mIsPrivileged) { 6461 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6462 } 6463 } 6464 p = scanPackageLI(fullPath, flags, 6465 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6466 System.currentTimeMillis(), UserHandle.ALL); 6467 if (p != null) { 6468 /* 6469 * TODO this seems dangerous as the package may have 6470 * changed since we last acquired the mPackages 6471 * lock. 6472 */ 6473 // writer 6474 synchronized (mPackages) { 6475 updatePermissionsLPw(p.packageName, p, 6476 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6477 } 6478 addedPackage = p.applicationInfo.packageName; 6479 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6480 } 6481 } 6482 } 6483 6484 // reader 6485 synchronized (mPackages) { 6486 mSettings.writeLPr(); 6487 } 6488 } 6489 6490 if (removedPackage != null) { 6491 Bundle extras = new Bundle(1); 6492 extras.putInt(Intent.EXTRA_UID, removedAppId); 6493 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6494 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6495 extras, null, null, removedUsers); 6496 } 6497 if (addedPackage != null) { 6498 Bundle extras = new Bundle(1); 6499 extras.putInt(Intent.EXTRA_UID, addedAppId); 6500 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6501 extras, null, null, addedUsers); 6502 } 6503 } 6504 6505 private final String mRootDir; 6506 private final boolean mIsRom; 6507 private final boolean mIsPrivileged; 6508 } 6509 6510 /* Called when a downloaded package installation has been confirmed by the user */ 6511 public void installPackage( 6512 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6513 installPackage(packageURI, observer, flags, null); 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 final String installerPackageName) { 6520 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6521 null, null); 6522 } 6523 6524 @Override 6525 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6526 int flags, String installerPackageName, Uri verificationURI, 6527 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6528 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6529 VerificationParams.NO_UID, manifestDigest); 6530 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6531 installerPackageName, verificationParams, encryptionParams); 6532 } 6533 6534 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6535 IPackageInstallObserver observer, int flags, String installerPackageName, 6536 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6537 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6538 null); 6539 6540 final int uid = Binder.getCallingUid(); 6541 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6542 try { 6543 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6544 } catch (RemoteException re) { 6545 } 6546 return; 6547 } 6548 6549 UserHandle user; 6550 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6551 user = UserHandle.ALL; 6552 } else { 6553 user = new UserHandle(UserHandle.getUserId(uid)); 6554 } 6555 6556 final int filteredFlags; 6557 6558 if (uid == Process.SHELL_UID || uid == 0) { 6559 if (DEBUG_INSTALL) { 6560 Slog.v(TAG, "Install from ADB"); 6561 } 6562 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6563 } else { 6564 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6565 } 6566 6567 verificationParams.setInstallerUid(uid); 6568 6569 final Message msg = mHandler.obtainMessage(INIT_COPY); 6570 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6571 verificationParams, encryptionParams, user); 6572 mHandler.sendMessage(msg); 6573 } 6574 6575 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6576 Bundle extras = new Bundle(1); 6577 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6578 6579 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6580 packageName, extras, null, null, new int[] {userId}); 6581 try { 6582 IActivityManager am = ActivityManagerNative.getDefault(); 6583 final boolean isSystem = 6584 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6585 if (isSystem && am.isUserRunning(userId, false)) { 6586 // The just-installed/enabled app is bundled on the system, so presumed 6587 // to be able to run automatically without needing an explicit launch. 6588 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6589 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6590 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6591 .setPackage(packageName); 6592 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6593 android.app.AppOpsManager.OP_NONE, false, false, userId); 6594 } 6595 } catch (RemoteException e) { 6596 // shouldn't happen 6597 Slog.w(TAG, "Unable to bootstrap installed package", e); 6598 } 6599 } 6600 6601 @Override 6602 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6603 int userId) { 6604 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6605 PackageSetting pkgSetting; 6606 final int uid = Binder.getCallingUid(); 6607 if (UserHandle.getUserId(uid) != userId) { 6608 mContext.enforceCallingOrSelfPermission( 6609 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6610 "setApplicationBlockedSetting for user " + userId); 6611 } 6612 6613 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6614 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6615 return false; 6616 } 6617 6618 long callingId = Binder.clearCallingIdentity(); 6619 try { 6620 boolean sendAdded = false; 6621 boolean sendRemoved = false; 6622 // writer 6623 synchronized (mPackages) { 6624 pkgSetting = mSettings.mPackages.get(packageName); 6625 if (pkgSetting == null) { 6626 return false; 6627 } 6628 if (pkgSetting.getBlocked(userId) != blocked) { 6629 pkgSetting.setBlocked(blocked, userId); 6630 mSettings.writePackageRestrictionsLPr(userId); 6631 if (blocked) { 6632 sendRemoved = true; 6633 } else { 6634 sendAdded = true; 6635 } 6636 } 6637 } 6638 if (sendAdded) { 6639 sendPackageAddedForUser(packageName, pkgSetting, userId); 6640 return true; 6641 } 6642 if (sendRemoved) { 6643 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6644 "blocking pkg"); 6645 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6646 } 6647 } finally { 6648 Binder.restoreCallingIdentity(callingId); 6649 } 6650 return false; 6651 } 6652 6653 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6654 int userId) { 6655 final PackageRemovedInfo info = new PackageRemovedInfo(); 6656 info.removedPackage = packageName; 6657 info.removedUsers = new int[] {userId}; 6658 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6659 info.sendBroadcast(false, false, false); 6660 } 6661 6662 /** 6663 * Returns true if application is not found or there was an error. Otherwise it returns 6664 * the blocked state of the package for the given user. 6665 */ 6666 @Override 6667 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6668 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6669 PackageSetting pkgSetting; 6670 final int uid = Binder.getCallingUid(); 6671 if (UserHandle.getUserId(uid) != userId) { 6672 mContext.enforceCallingPermission( 6673 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6674 "getApplicationBlocked for user " + userId); 6675 } 6676 long callingId = Binder.clearCallingIdentity(); 6677 try { 6678 // writer 6679 synchronized (mPackages) { 6680 pkgSetting = mSettings.mPackages.get(packageName); 6681 if (pkgSetting == null) { 6682 return true; 6683 } 6684 return pkgSetting.getBlocked(userId); 6685 } 6686 } finally { 6687 Binder.restoreCallingIdentity(callingId); 6688 } 6689 } 6690 6691 /** 6692 * @hide 6693 */ 6694 @Override 6695 public int installExistingPackageAsUser(String packageName, int userId) { 6696 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6697 null); 6698 PackageSetting pkgSetting; 6699 final int uid = Binder.getCallingUid(); 6700 if (UserHandle.getUserId(uid) != userId) { 6701 mContext.enforceCallingPermission( 6702 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6703 "installExistingPackage for user " + userId); 6704 } 6705 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6706 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6707 } 6708 6709 long callingId = Binder.clearCallingIdentity(); 6710 try { 6711 boolean sendAdded = false; 6712 Bundle extras = new Bundle(1); 6713 6714 // writer 6715 synchronized (mPackages) { 6716 pkgSetting = mSettings.mPackages.get(packageName); 6717 if (pkgSetting == null) { 6718 return PackageManager.INSTALL_FAILED_INVALID_URI; 6719 } 6720 if (!pkgSetting.getInstalled(userId)) { 6721 pkgSetting.setInstalled(true, userId); 6722 pkgSetting.setBlocked(false, userId); 6723 mSettings.writePackageRestrictionsLPr(userId); 6724 sendAdded = true; 6725 } 6726 } 6727 6728 if (sendAdded) { 6729 sendPackageAddedForUser(packageName, pkgSetting, userId); 6730 } 6731 } finally { 6732 Binder.restoreCallingIdentity(callingId); 6733 } 6734 6735 return PackageManager.INSTALL_SUCCEEDED; 6736 } 6737 6738 private boolean isUserRestricted(int userId, String restrictionKey) { 6739 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6740 if (restrictions.getBoolean(restrictionKey, false)) { 6741 Log.w(TAG, "User is restricted: " + restrictionKey); 6742 return true; 6743 } 6744 return false; 6745 } 6746 6747 @Override 6748 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6749 mContext.enforceCallingOrSelfPermission( 6750 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6751 "Only package verification agents can verify applications"); 6752 6753 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6754 final PackageVerificationResponse response = new PackageVerificationResponse( 6755 verificationCode, Binder.getCallingUid()); 6756 msg.arg1 = id; 6757 msg.obj = response; 6758 mHandler.sendMessage(msg); 6759 } 6760 6761 @Override 6762 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6763 long millisecondsToDelay) { 6764 mContext.enforceCallingOrSelfPermission( 6765 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6766 "Only package verification agents can extend verification timeouts"); 6767 6768 final PackageVerificationState state = mPendingVerification.get(id); 6769 final PackageVerificationResponse response = new PackageVerificationResponse( 6770 verificationCodeAtTimeout, Binder.getCallingUid()); 6771 6772 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 6773 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 6774 } 6775 if (millisecondsToDelay < 0) { 6776 millisecondsToDelay = 0; 6777 } 6778 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 6779 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 6780 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 6781 } 6782 6783 if ((state != null) && !state.timeoutExtended()) { 6784 state.extendTimeout(); 6785 6786 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6787 msg.arg1 = id; 6788 msg.obj = response; 6789 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 6790 } 6791 } 6792 6793 private void broadcastPackageVerified(int verificationId, Uri packageUri, 6794 int verificationCode, UserHandle user) { 6795 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 6796 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 6797 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6798 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 6799 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 6800 6801 mContext.sendBroadcastAsUser(intent, user, 6802 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 6803 } 6804 6805 private ComponentName matchComponentForVerifier(String packageName, 6806 List<ResolveInfo> receivers) { 6807 ActivityInfo targetReceiver = null; 6808 6809 final int NR = receivers.size(); 6810 for (int i = 0; i < NR; i++) { 6811 final ResolveInfo info = receivers.get(i); 6812 if (info.activityInfo == null) { 6813 continue; 6814 } 6815 6816 if (packageName.equals(info.activityInfo.packageName)) { 6817 targetReceiver = info.activityInfo; 6818 break; 6819 } 6820 } 6821 6822 if (targetReceiver == null) { 6823 return null; 6824 } 6825 6826 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 6827 } 6828 6829 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 6830 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 6831 if (pkgInfo.verifiers.length == 0) { 6832 return null; 6833 } 6834 6835 final int N = pkgInfo.verifiers.length; 6836 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 6837 for (int i = 0; i < N; i++) { 6838 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 6839 6840 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 6841 receivers); 6842 if (comp == null) { 6843 continue; 6844 } 6845 6846 final int verifierUid = getUidForVerifier(verifierInfo); 6847 if (verifierUid == -1) { 6848 continue; 6849 } 6850 6851 if (DEBUG_VERIFY) { 6852 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 6853 + " with the correct signature"); 6854 } 6855 sufficientVerifiers.add(comp); 6856 verificationState.addSufficientVerifier(verifierUid); 6857 } 6858 6859 return sufficientVerifiers; 6860 } 6861 6862 private int getUidForVerifier(VerifierInfo verifierInfo) { 6863 synchronized (mPackages) { 6864 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 6865 if (pkg == null) { 6866 return -1; 6867 } else if (pkg.mSignatures.length != 1) { 6868 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 6869 + " has more than one signature; ignoring"); 6870 return -1; 6871 } 6872 6873 /* 6874 * If the public key of the package's signature does not match 6875 * our expected public key, then this is a different package and 6876 * we should skip. 6877 */ 6878 6879 final byte[] expectedPublicKey; 6880 try { 6881 final Signature verifierSig = pkg.mSignatures[0]; 6882 final PublicKey publicKey = verifierSig.getPublicKey(); 6883 expectedPublicKey = publicKey.getEncoded(); 6884 } catch (CertificateException e) { 6885 return -1; 6886 } 6887 6888 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 6889 6890 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 6891 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 6892 + " does not have the expected public key; ignoring"); 6893 return -1; 6894 } 6895 6896 return pkg.applicationInfo.uid; 6897 } 6898 } 6899 6900 public void finishPackageInstall(int token) { 6901 enforceSystemOrRoot("Only the system is allowed to finish installs"); 6902 6903 if (DEBUG_INSTALL) { 6904 Slog.v(TAG, "BM finishing package install for " + token); 6905 } 6906 6907 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 6908 mHandler.sendMessage(msg); 6909 } 6910 6911 /** 6912 * Get the verification agent timeout. 6913 * 6914 * @return verification timeout in milliseconds 6915 */ 6916 private long getVerificationTimeout() { 6917 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 6918 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 6919 DEFAULT_VERIFICATION_TIMEOUT); 6920 } 6921 6922 /** 6923 * Get the default verification agent response code. 6924 * 6925 * @return default verification response code 6926 */ 6927 private int getDefaultVerificationResponse() { 6928 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6929 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 6930 DEFAULT_VERIFICATION_RESPONSE); 6931 } 6932 6933 /** 6934 * Check whether or not package verification has been enabled. 6935 * 6936 * @return true if verification should be performed 6937 */ 6938 private boolean isVerificationEnabled(int flags) { 6939 if (!DEFAULT_VERIFY_ENABLE) { 6940 return false; 6941 } 6942 6943 // Check if installing from ADB 6944 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 6945 // Do not run verification in a test harness environment 6946 if (ActivityManager.isRunningInTestHarness()) { 6947 return false; 6948 } 6949 // Check if the developer does not want package verification for ADB installs 6950 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6951 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 6952 return false; 6953 } 6954 } 6955 6956 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6957 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 6958 } 6959 6960 /** 6961 * Get the "allow unknown sources" setting. 6962 * 6963 * @return the current "allow unknown sources" setting 6964 */ 6965 private int getUnknownSourcesSettings() { 6966 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6967 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 6968 -1); 6969 } 6970 6971 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 6972 final int uid = Binder.getCallingUid(); 6973 // writer 6974 synchronized (mPackages) { 6975 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 6976 if (targetPackageSetting == null) { 6977 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 6978 } 6979 6980 PackageSetting installerPackageSetting; 6981 if (installerPackageName != null) { 6982 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 6983 if (installerPackageSetting == null) { 6984 throw new IllegalArgumentException("Unknown installer package: " 6985 + installerPackageName); 6986 } 6987 } else { 6988 installerPackageSetting = null; 6989 } 6990 6991 Signature[] callerSignature; 6992 Object obj = mSettings.getUserIdLPr(uid); 6993 if (obj != null) { 6994 if (obj instanceof SharedUserSetting) { 6995 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 6996 } else if (obj instanceof PackageSetting) { 6997 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 6998 } else { 6999 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7000 } 7001 } else { 7002 throw new SecurityException("Unknown calling uid " + uid); 7003 } 7004 7005 // Verify: can't set installerPackageName to a package that is 7006 // not signed with the same cert as the caller. 7007 if (installerPackageSetting != null) { 7008 if (compareSignatures(callerSignature, 7009 installerPackageSetting.signatures.mSignatures) 7010 != PackageManager.SIGNATURE_MATCH) { 7011 throw new SecurityException( 7012 "Caller does not have same cert as new installer package " 7013 + installerPackageName); 7014 } 7015 } 7016 7017 // Verify: if target already has an installer package, it must 7018 // be signed with the same cert as the caller. 7019 if (targetPackageSetting.installerPackageName != null) { 7020 PackageSetting setting = mSettings.mPackages.get( 7021 targetPackageSetting.installerPackageName); 7022 // If the currently set package isn't valid, then it's always 7023 // okay to change it. 7024 if (setting != null) { 7025 if (compareSignatures(callerSignature, 7026 setting.signatures.mSignatures) 7027 != PackageManager.SIGNATURE_MATCH) { 7028 throw new SecurityException( 7029 "Caller does not have same cert as old installer package " 7030 + targetPackageSetting.installerPackageName); 7031 } 7032 } 7033 } 7034 7035 // Okay! 7036 targetPackageSetting.installerPackageName = installerPackageName; 7037 scheduleWriteSettingsLocked(); 7038 } 7039 } 7040 7041 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7042 // Queue up an async operation since the package installation may take a little while. 7043 mHandler.post(new Runnable() { 7044 public void run() { 7045 mHandler.removeCallbacks(this); 7046 // Result object to be returned 7047 PackageInstalledInfo res = new PackageInstalledInfo(); 7048 res.returnCode = currentStatus; 7049 res.uid = -1; 7050 res.pkg = null; 7051 res.removedInfo = new PackageRemovedInfo(); 7052 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7053 args.doPreInstall(res.returnCode); 7054 synchronized (mInstallLock) { 7055 installPackageLI(args, true, res); 7056 } 7057 args.doPostInstall(res.returnCode, res.uid); 7058 } 7059 7060 // A restore should be performed at this point if (a) the install 7061 // succeeded, (b) the operation is not an update, and (c) the new 7062 // package has a backupAgent defined. 7063 final boolean update = res.removedInfo.removedPackage != null; 7064 boolean doRestore = (!update 7065 && res.pkg != null 7066 && res.pkg.applicationInfo.backupAgentName != null); 7067 7068 // Set up the post-install work request bookkeeping. This will be used 7069 // and cleaned up by the post-install event handling regardless of whether 7070 // there's a restore pass performed. Token values are >= 1. 7071 int token; 7072 if (mNextInstallToken < 0) mNextInstallToken = 1; 7073 token = mNextInstallToken++; 7074 7075 PostInstallData data = new PostInstallData(args, res); 7076 mRunningInstalls.put(token, data); 7077 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7078 7079 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7080 // Pass responsibility to the Backup Manager. It will perform a 7081 // restore if appropriate, then pass responsibility back to the 7082 // Package Manager to run the post-install observer callbacks 7083 // and broadcasts. 7084 IBackupManager bm = IBackupManager.Stub.asInterface( 7085 ServiceManager.getService(Context.BACKUP_SERVICE)); 7086 if (bm != null) { 7087 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7088 + " to BM for possible restore"); 7089 try { 7090 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7091 } catch (RemoteException e) { 7092 // can't happen; the backup manager is local 7093 } catch (Exception e) { 7094 Slog.e(TAG, "Exception trying to enqueue restore", e); 7095 doRestore = false; 7096 } 7097 } else { 7098 Slog.e(TAG, "Backup Manager not found!"); 7099 doRestore = false; 7100 } 7101 } 7102 7103 if (!doRestore) { 7104 // No restore possible, or the Backup Manager was mysteriously not 7105 // available -- just fire the post-install work request directly. 7106 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7107 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7108 mHandler.sendMessage(msg); 7109 } 7110 } 7111 }); 7112 } 7113 7114 private abstract class HandlerParams { 7115 private static final int MAX_RETRIES = 4; 7116 7117 /** 7118 * Number of times startCopy() has been attempted and had a non-fatal 7119 * error. 7120 */ 7121 private int mRetries = 0; 7122 7123 /** User handle for the user requesting the information or installation. */ 7124 private final UserHandle mUser; 7125 7126 HandlerParams(UserHandle user) { 7127 mUser = user; 7128 } 7129 7130 UserHandle getUser() { 7131 return mUser; 7132 } 7133 7134 final boolean startCopy() { 7135 boolean res; 7136 try { 7137 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7138 7139 if (++mRetries > MAX_RETRIES) { 7140 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7141 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7142 handleServiceError(); 7143 return false; 7144 } else { 7145 handleStartCopy(); 7146 res = true; 7147 } 7148 } catch (RemoteException e) { 7149 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7150 mHandler.sendEmptyMessage(MCS_RECONNECT); 7151 res = false; 7152 } 7153 handleReturnCode(); 7154 return res; 7155 } 7156 7157 final void serviceError() { 7158 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7159 handleServiceError(); 7160 handleReturnCode(); 7161 } 7162 7163 abstract void handleStartCopy() throws RemoteException; 7164 abstract void handleServiceError(); 7165 abstract void handleReturnCode(); 7166 } 7167 7168 class MeasureParams extends HandlerParams { 7169 private final PackageStats mStats; 7170 private boolean mSuccess; 7171 7172 private final IPackageStatsObserver mObserver; 7173 7174 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7175 super(new UserHandle(stats.userHandle)); 7176 mObserver = observer; 7177 mStats = stats; 7178 } 7179 7180 @Override 7181 public String toString() { 7182 return "MeasureParams{" 7183 + Integer.toHexString(System.identityHashCode(this)) 7184 + " " + mStats.packageName + "}"; 7185 } 7186 7187 @Override 7188 void handleStartCopy() throws RemoteException { 7189 synchronized (mInstallLock) { 7190 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7191 } 7192 7193 final boolean mounted; 7194 if (Environment.isExternalStorageEmulated()) { 7195 mounted = true; 7196 } else { 7197 final String status = Environment.getExternalStorageState(); 7198 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7199 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7200 } 7201 7202 if (mounted) { 7203 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7204 7205 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7206 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7207 7208 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7209 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7210 7211 // Always subtract cache size, since it's a subdirectory 7212 mStats.externalDataSize -= mStats.externalCacheSize; 7213 7214 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7215 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7216 7217 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7218 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7219 } 7220 } 7221 7222 @Override 7223 void handleReturnCode() { 7224 if (mObserver != null) { 7225 try { 7226 mObserver.onGetStatsCompleted(mStats, mSuccess); 7227 } catch (RemoteException e) { 7228 Slog.i(TAG, "Observer no longer exists."); 7229 } 7230 } 7231 } 7232 7233 @Override 7234 void handleServiceError() { 7235 Slog.e(TAG, "Could not measure application " + mStats.packageName 7236 + " external storage"); 7237 } 7238 } 7239 7240 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7241 throws RemoteException { 7242 long result = 0; 7243 for (File path : paths) { 7244 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7245 } 7246 return result; 7247 } 7248 7249 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7250 for (File path : paths) { 7251 try { 7252 mcs.clearDirectory(path.getAbsolutePath()); 7253 } catch (RemoteException e) { 7254 } 7255 } 7256 } 7257 7258 class InstallParams extends HandlerParams { 7259 final IPackageInstallObserver observer; 7260 int flags; 7261 7262 private final Uri mPackageURI; 7263 final String installerPackageName; 7264 final VerificationParams verificationParams; 7265 private InstallArgs mArgs; 7266 private int mRet; 7267 private File mTempPackage; 7268 final ContainerEncryptionParams encryptionParams; 7269 7270 InstallParams(Uri packageURI, 7271 IPackageInstallObserver observer, int flags, 7272 String installerPackageName, VerificationParams verificationParams, 7273 ContainerEncryptionParams encryptionParams, UserHandle user) { 7274 super(user); 7275 this.mPackageURI = packageURI; 7276 this.flags = flags; 7277 this.observer = observer; 7278 this.installerPackageName = installerPackageName; 7279 this.verificationParams = verificationParams; 7280 this.encryptionParams = encryptionParams; 7281 } 7282 7283 @Override 7284 public String toString() { 7285 return "InstallParams{" 7286 + Integer.toHexString(System.identityHashCode(this)) 7287 + " " + mPackageURI + "}"; 7288 } 7289 7290 public ManifestDigest getManifestDigest() { 7291 if (verificationParams == null) { 7292 return null; 7293 } 7294 return verificationParams.getManifestDigest(); 7295 } 7296 7297 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7298 String packageName = pkgLite.packageName; 7299 int installLocation = pkgLite.installLocation; 7300 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7301 // reader 7302 synchronized (mPackages) { 7303 PackageParser.Package pkg = mPackages.get(packageName); 7304 if (pkg != null) { 7305 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7306 // Check for downgrading. 7307 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7308 if (pkgLite.versionCode < pkg.mVersionCode) { 7309 Slog.w(TAG, "Can't install update of " + packageName 7310 + " update version " + pkgLite.versionCode 7311 + " is older than installed version " 7312 + pkg.mVersionCode); 7313 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7314 } 7315 } 7316 // Check for updated system application. 7317 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7318 if (onSd) { 7319 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7320 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7321 } 7322 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7323 } else { 7324 if (onSd) { 7325 // Install flag overrides everything. 7326 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7327 } 7328 // If current upgrade specifies particular preference 7329 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7330 // Application explicitly specified internal. 7331 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7332 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7333 // App explictly prefers external. Let policy decide 7334 } else { 7335 // Prefer previous location 7336 if (isExternal(pkg)) { 7337 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7338 } 7339 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7340 } 7341 } 7342 } else { 7343 // Invalid install. Return error code 7344 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7345 } 7346 } 7347 } 7348 // All the special cases have been taken care of. 7349 // Return result based on recommended install location. 7350 if (onSd) { 7351 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7352 } 7353 return pkgLite.recommendedInstallLocation; 7354 } 7355 7356 private long getMemoryLowThreshold() { 7357 final DeviceStorageMonitorInternal 7358 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7359 if (dsm == null) { 7360 return 0L; 7361 } 7362 return dsm.getMemoryLowThreshold(); 7363 } 7364 7365 /* 7366 * Invoke remote method to get package information and install 7367 * location values. Override install location based on default 7368 * policy if needed and then create install arguments based 7369 * on the install location. 7370 */ 7371 public void handleStartCopy() throws RemoteException { 7372 int ret = PackageManager.INSTALL_SUCCEEDED; 7373 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7374 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7375 PackageInfoLite pkgLite = null; 7376 7377 if (onInt && onSd) { 7378 // Check if both bits are set. 7379 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7380 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7381 } else { 7382 final long lowThreshold = getMemoryLowThreshold(); 7383 if (lowThreshold == 0L) { 7384 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7385 } 7386 7387 try { 7388 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7389 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7390 7391 final File packageFile; 7392 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7393 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7394 if (mTempPackage != null) { 7395 ParcelFileDescriptor out; 7396 try { 7397 out = ParcelFileDescriptor.open(mTempPackage, 7398 ParcelFileDescriptor.MODE_READ_WRITE); 7399 } catch (FileNotFoundException e) { 7400 out = null; 7401 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7402 } 7403 7404 // Make a temporary file for decryption. 7405 ret = mContainerService 7406 .copyResource(mPackageURI, encryptionParams, out); 7407 IoUtils.closeQuietly(out); 7408 7409 packageFile = mTempPackage; 7410 7411 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7412 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7413 | FileUtils.S_IROTH, 7414 -1, -1); 7415 } else { 7416 packageFile = null; 7417 } 7418 } else { 7419 packageFile = new File(mPackageURI.getPath()); 7420 } 7421 7422 if (packageFile != null) { 7423 // Remote call to find out default install location 7424 final String packageFilePath = packageFile.getAbsolutePath(); 7425 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7426 lowThreshold); 7427 7428 /* 7429 * If we have too little free space, try to free cache 7430 * before giving up. 7431 */ 7432 if (pkgLite.recommendedInstallLocation 7433 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7434 final long size = mContainerService.calculateInstalledSize( 7435 packageFilePath, isForwardLocked()); 7436 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7437 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7438 flags, lowThreshold); 7439 } 7440 /* 7441 * The cache free must have deleted the file we 7442 * downloaded to install. 7443 * 7444 * TODO: fix the "freeCache" call to not delete 7445 * the file we care about. 7446 */ 7447 if (pkgLite.recommendedInstallLocation 7448 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7449 pkgLite.recommendedInstallLocation 7450 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7451 } 7452 } 7453 } 7454 } finally { 7455 mContext.revokeUriPermission(mPackageURI, 7456 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7457 } 7458 } 7459 7460 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7461 int loc = pkgLite.recommendedInstallLocation; 7462 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7463 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7464 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7465 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7466 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7467 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7468 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7469 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7470 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7471 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7472 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7473 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7474 } else { 7475 // Override with defaults if needed. 7476 loc = installLocationPolicy(pkgLite, flags); 7477 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7478 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7479 } else if (!onSd && !onInt) { 7480 // Override install location with flags 7481 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7482 // Set the flag to install on external media. 7483 flags |= PackageManager.INSTALL_EXTERNAL; 7484 flags &= ~PackageManager.INSTALL_INTERNAL; 7485 } else { 7486 // Make sure the flag for installing on external 7487 // media is unset 7488 flags |= PackageManager.INSTALL_INTERNAL; 7489 flags &= ~PackageManager.INSTALL_EXTERNAL; 7490 } 7491 } 7492 } 7493 } 7494 7495 final InstallArgs args = createInstallArgs(this); 7496 mArgs = args; 7497 7498 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7499 /* 7500 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7501 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7502 */ 7503 int userIdentifier = getUser().getIdentifier(); 7504 if (userIdentifier == UserHandle.USER_ALL 7505 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7506 userIdentifier = UserHandle.USER_OWNER; 7507 } 7508 7509 /* 7510 * Determine if we have any installed package verifiers. If we 7511 * do, then we'll defer to them to verify the packages. 7512 */ 7513 final int requiredUid = mRequiredVerifierPackage == null ? -1 7514 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7515 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7516 final Intent verification = new Intent( 7517 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7518 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7519 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7520 7521 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7522 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7523 0 /* TODO: Which userId? */); 7524 7525 if (DEBUG_VERIFY) { 7526 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7527 + verification.toString() + " with " + pkgLite.verifiers.length 7528 + " optional verifiers"); 7529 } 7530 7531 final int verificationId = mPendingVerificationToken++; 7532 7533 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7534 7535 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7536 installerPackageName); 7537 7538 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7539 7540 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7541 pkgLite.packageName); 7542 7543 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7544 pkgLite.versionCode); 7545 7546 if (verificationParams != null) { 7547 if (verificationParams.getVerificationURI() != null) { 7548 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7549 verificationParams.getVerificationURI()); 7550 } 7551 if (verificationParams.getOriginatingURI() != null) { 7552 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7553 verificationParams.getOriginatingURI()); 7554 } 7555 if (verificationParams.getReferrer() != null) { 7556 verification.putExtra(Intent.EXTRA_REFERRER, 7557 verificationParams.getReferrer()); 7558 } 7559 if (verificationParams.getOriginatingUid() >= 0) { 7560 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7561 verificationParams.getOriginatingUid()); 7562 } 7563 if (verificationParams.getInstallerUid() >= 0) { 7564 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7565 verificationParams.getInstallerUid()); 7566 } 7567 } 7568 7569 final PackageVerificationState verificationState = new PackageVerificationState( 7570 requiredUid, args); 7571 7572 mPendingVerification.append(verificationId, verificationState); 7573 7574 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7575 receivers, verificationState); 7576 7577 /* 7578 * If any sufficient verifiers were listed in the package 7579 * manifest, attempt to ask them. 7580 */ 7581 if (sufficientVerifiers != null) { 7582 final int N = sufficientVerifiers.size(); 7583 if (N == 0) { 7584 Slog.i(TAG, "Additional verifiers required, but none installed."); 7585 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7586 } else { 7587 for (int i = 0; i < N; i++) { 7588 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7589 7590 final Intent sufficientIntent = new Intent(verification); 7591 sufficientIntent.setComponent(verifierComponent); 7592 7593 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7594 } 7595 } 7596 } 7597 7598 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7599 mRequiredVerifierPackage, receivers); 7600 if (ret == PackageManager.INSTALL_SUCCEEDED 7601 && mRequiredVerifierPackage != null) { 7602 /* 7603 * Send the intent to the required verification agent, 7604 * but only start the verification timeout after the 7605 * target BroadcastReceivers have run. 7606 */ 7607 verification.setComponent(requiredVerifierComponent); 7608 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7609 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7610 new BroadcastReceiver() { 7611 @Override 7612 public void onReceive(Context context, Intent intent) { 7613 final Message msg = mHandler 7614 .obtainMessage(CHECK_PENDING_VERIFICATION); 7615 msg.arg1 = verificationId; 7616 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7617 } 7618 }, null, 0, null, null); 7619 7620 /* 7621 * We don't want the copy to proceed until verification 7622 * succeeds, so null out this field. 7623 */ 7624 mArgs = null; 7625 } 7626 } else { 7627 /* 7628 * No package verification is enabled, so immediately start 7629 * the remote call to initiate copy using temporary file. 7630 */ 7631 ret = args.copyApk(mContainerService, true); 7632 } 7633 } 7634 7635 mRet = ret; 7636 } 7637 7638 @Override 7639 void handleReturnCode() { 7640 // If mArgs is null, then MCS couldn't be reached. When it 7641 // reconnects, it will try again to install. At that point, this 7642 // will succeed. 7643 if (mArgs != null) { 7644 processPendingInstall(mArgs, mRet); 7645 7646 if (mTempPackage != null) { 7647 if (!mTempPackage.delete()) { 7648 Slog.w(TAG, "Couldn't delete temporary file: " + 7649 mTempPackage.getAbsolutePath()); 7650 } 7651 } 7652 } 7653 } 7654 7655 @Override 7656 void handleServiceError() { 7657 mArgs = createInstallArgs(this); 7658 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7659 } 7660 7661 public boolean isForwardLocked() { 7662 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7663 } 7664 7665 public Uri getPackageUri() { 7666 if (mTempPackage != null) { 7667 return Uri.fromFile(mTempPackage); 7668 } else { 7669 return mPackageURI; 7670 } 7671 } 7672 } 7673 7674 /* 7675 * Utility class used in movePackage api. 7676 * srcArgs and targetArgs are not set for invalid flags and make 7677 * sure to do null checks when invoking methods on them. 7678 * We probably want to return ErrorPrams for both failed installs 7679 * and moves. 7680 */ 7681 class MoveParams extends HandlerParams { 7682 final IPackageMoveObserver observer; 7683 final int flags; 7684 final String packageName; 7685 final InstallArgs srcArgs; 7686 final InstallArgs targetArgs; 7687 int uid; 7688 int mRet; 7689 7690 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7691 String packageName, String dataDir, int uid, UserHandle user) { 7692 super(user); 7693 this.srcArgs = srcArgs; 7694 this.observer = observer; 7695 this.flags = flags; 7696 this.packageName = packageName; 7697 this.uid = uid; 7698 if (srcArgs != null) { 7699 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7700 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7701 } else { 7702 targetArgs = null; 7703 } 7704 } 7705 7706 @Override 7707 public String toString() { 7708 return "MoveParams{" 7709 + Integer.toHexString(System.identityHashCode(this)) 7710 + " " + packageName + "}"; 7711 } 7712 7713 public void handleStartCopy() throws RemoteException { 7714 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7715 // Check for storage space on target medium 7716 if (!targetArgs.checkFreeStorage(mContainerService)) { 7717 Log.w(TAG, "Insufficient storage to install"); 7718 return; 7719 } 7720 7721 mRet = srcArgs.doPreCopy(); 7722 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7723 return; 7724 } 7725 7726 mRet = targetArgs.copyApk(mContainerService, false); 7727 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7728 srcArgs.doPostCopy(uid); 7729 return; 7730 } 7731 7732 mRet = srcArgs.doPostCopy(uid); 7733 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7734 return; 7735 } 7736 7737 mRet = targetArgs.doPreInstall(mRet); 7738 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7739 return; 7740 } 7741 7742 if (DEBUG_SD_INSTALL) { 7743 StringBuilder builder = new StringBuilder(); 7744 if (srcArgs != null) { 7745 builder.append("src: "); 7746 builder.append(srcArgs.getCodePath()); 7747 } 7748 if (targetArgs != null) { 7749 builder.append(" target : "); 7750 builder.append(targetArgs.getCodePath()); 7751 } 7752 Log.i(TAG, builder.toString()); 7753 } 7754 } 7755 7756 @Override 7757 void handleReturnCode() { 7758 targetArgs.doPostInstall(mRet, uid); 7759 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7760 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7761 currentStatus = PackageManager.MOVE_SUCCEEDED; 7762 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7763 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7764 } 7765 processPendingMove(this, currentStatus); 7766 } 7767 7768 @Override 7769 void handleServiceError() { 7770 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7771 } 7772 } 7773 7774 /** 7775 * Used during creation of InstallArgs 7776 * 7777 * @param flags package installation flags 7778 * @return true if should be installed on external storage 7779 */ 7780 private static boolean installOnSd(int flags) { 7781 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 7782 return false; 7783 } 7784 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 7785 return true; 7786 } 7787 return false; 7788 } 7789 7790 /** 7791 * Used during creation of InstallArgs 7792 * 7793 * @param flags package installation flags 7794 * @return true if should be installed as forward locked 7795 */ 7796 private static boolean installForwardLocked(int flags) { 7797 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7798 } 7799 7800 private InstallArgs createInstallArgs(InstallParams params) { 7801 if (installOnSd(params.flags) || params.isForwardLocked()) { 7802 return new AsecInstallArgs(params); 7803 } else { 7804 return new FileInstallArgs(params); 7805 } 7806 } 7807 7808 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 7809 String nativeLibraryPath) { 7810 final boolean isInAsec; 7811 if (installOnSd(flags)) { 7812 /* Apps on SD card are always in ASEC containers. */ 7813 isInAsec = true; 7814 } else if (installForwardLocked(flags) 7815 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 7816 /* 7817 * Forward-locked apps are only in ASEC containers if they're the 7818 * new style 7819 */ 7820 isInAsec = true; 7821 } else { 7822 isInAsec = false; 7823 } 7824 7825 if (isInAsec) { 7826 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 7827 installOnSd(flags), installForwardLocked(flags)); 7828 } else { 7829 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 7830 } 7831 } 7832 7833 // Used by package mover 7834 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 7835 if (installOnSd(flags) || installForwardLocked(flags)) { 7836 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 7837 + AsecInstallArgs.RES_FILE_NAME); 7838 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 7839 installForwardLocked(flags)); 7840 } else { 7841 return new FileInstallArgs(packageURI, pkgName, dataDir); 7842 } 7843 } 7844 7845 static abstract class InstallArgs { 7846 final IPackageInstallObserver observer; 7847 // Always refers to PackageManager flags only 7848 final int flags; 7849 final Uri packageURI; 7850 final String installerPackageName; 7851 final ManifestDigest manifestDigest; 7852 final UserHandle user; 7853 7854 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 7855 String installerPackageName, ManifestDigest manifestDigest, 7856 UserHandle user) { 7857 this.packageURI = packageURI; 7858 this.flags = flags; 7859 this.observer = observer; 7860 this.installerPackageName = installerPackageName; 7861 this.manifestDigest = manifestDigest; 7862 this.user = user; 7863 } 7864 7865 abstract void createCopyFile(); 7866 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 7867 abstract int doPreInstall(int status); 7868 abstract boolean doRename(int status, String pkgName, String oldCodePath); 7869 7870 abstract int doPostInstall(int status, int uid); 7871 abstract String getCodePath(); 7872 abstract String getResourcePath(); 7873 abstract String getNativeLibraryPath(); 7874 // Need installer lock especially for dex file removal. 7875 abstract void cleanUpResourcesLI(); 7876 abstract boolean doPostDeleteLI(boolean delete); 7877 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 7878 7879 /** 7880 * Called before the source arguments are copied. This is used mostly 7881 * for MoveParams when it needs to read the source file to put it in the 7882 * destination. 7883 */ 7884 int doPreCopy() { 7885 return PackageManager.INSTALL_SUCCEEDED; 7886 } 7887 7888 /** 7889 * Called after the source arguments are copied. This is used mostly for 7890 * MoveParams when it needs to read the source file to put it in the 7891 * destination. 7892 * 7893 * @return 7894 */ 7895 int doPostCopy(int uid) { 7896 return PackageManager.INSTALL_SUCCEEDED; 7897 } 7898 7899 protected boolean isFwdLocked() { 7900 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7901 } 7902 7903 UserHandle getUser() { 7904 return user; 7905 } 7906 } 7907 7908 class FileInstallArgs extends InstallArgs { 7909 File installDir; 7910 String codeFileName; 7911 String resourceFileName; 7912 String libraryPath; 7913 boolean created = false; 7914 7915 FileInstallArgs(InstallParams params) { 7916 super(params.getPackageUri(), params.observer, params.flags, 7917 params.installerPackageName, params.getManifestDigest(), 7918 params.getUser()); 7919 } 7920 7921 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 7922 super(null, null, 0, null, null, null); 7923 File codeFile = new File(fullCodePath); 7924 installDir = codeFile.getParentFile(); 7925 codeFileName = fullCodePath; 7926 resourceFileName = fullResourcePath; 7927 libraryPath = nativeLibraryPath; 7928 } 7929 7930 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 7931 super(packageURI, null, 0, null, null, null); 7932 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 7933 String apkName = getNextCodePath(null, pkgName, ".apk"); 7934 codeFileName = new File(installDir, apkName + ".apk").getPath(); 7935 resourceFileName = getResourcePathFromCodePath(); 7936 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 7937 } 7938 7939 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 7940 final long lowThreshold; 7941 7942 final DeviceStorageMonitorInternal 7943 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7944 if (dsm == null) { 7945 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7946 lowThreshold = 0L; 7947 } else { 7948 if (dsm.isMemoryLow()) { 7949 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 7950 return false; 7951 } 7952 7953 lowThreshold = dsm.getMemoryLowThreshold(); 7954 } 7955 7956 try { 7957 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 7958 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7959 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 7960 } finally { 7961 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 7962 } 7963 } 7964 7965 String getCodePath() { 7966 return codeFileName; 7967 } 7968 7969 void createCopyFile() { 7970 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 7971 codeFileName = createTempPackageFile(installDir).getPath(); 7972 resourceFileName = getResourcePathFromCodePath(); 7973 libraryPath = getLibraryPathFromCodePath(); 7974 created = true; 7975 } 7976 7977 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 7978 if (temp) { 7979 // Generate temp file name 7980 createCopyFile(); 7981 } 7982 // Get a ParcelFileDescriptor to write to the output file 7983 File codeFile = new File(codeFileName); 7984 if (!created) { 7985 try { 7986 codeFile.createNewFile(); 7987 // Set permissions 7988 if (!setPermissions()) { 7989 // Failed setting permissions. 7990 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7991 } 7992 } catch (IOException e) { 7993 Slog.w(TAG, "Failed to create file " + codeFile); 7994 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7995 } 7996 } 7997 ParcelFileDescriptor out = null; 7998 try { 7999 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8000 } catch (FileNotFoundException e) { 8001 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8002 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8003 } 8004 // Copy the resource now 8005 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8006 try { 8007 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8008 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8009 ret = imcs.copyResource(packageURI, null, out); 8010 } finally { 8011 IoUtils.closeQuietly(out); 8012 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8013 } 8014 8015 if (isFwdLocked()) { 8016 final File destResourceFile = new File(getResourcePath()); 8017 8018 // Copy the public files 8019 try { 8020 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8021 } catch (IOException e) { 8022 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8023 + " forward-locked app."); 8024 destResourceFile.delete(); 8025 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8026 } 8027 } 8028 8029 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8030 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8031 if (nativeLibraryFile.exists()) { 8032 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8033 nativeLibraryFile.delete(); 8034 } 8035 try { 8036 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8037 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 8038 return copyRet; 8039 } 8040 } catch (IOException e) { 8041 Slog.e(TAG, "Copying native libraries failed", e); 8042 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8043 } 8044 8045 return ret; 8046 } 8047 8048 int doPreInstall(int status) { 8049 if (status != PackageManager.INSTALL_SUCCEEDED) { 8050 cleanUp(); 8051 } 8052 return status; 8053 } 8054 8055 boolean doRename(int status, final String pkgName, String oldCodePath) { 8056 if (status != PackageManager.INSTALL_SUCCEEDED) { 8057 cleanUp(); 8058 return false; 8059 } else { 8060 final File oldCodeFile = new File(getCodePath()); 8061 final File oldResourceFile = new File(getResourcePath()); 8062 final File oldLibraryFile = new File(getNativeLibraryPath()); 8063 8064 // Rename APK file based on packageName 8065 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8066 final File newCodeFile = new File(installDir, apkName + ".apk"); 8067 if (!oldCodeFile.renameTo(newCodeFile)) { 8068 return false; 8069 } 8070 codeFileName = newCodeFile.getPath(); 8071 8072 // Rename public resource file if it's forward-locked. 8073 final File newResFile = new File(getResourcePathFromCodePath()); 8074 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8075 return false; 8076 } 8077 resourceFileName = newResFile.getPath(); 8078 8079 // Rename library path 8080 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8081 if (newLibraryFile.exists()) { 8082 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8083 newLibraryFile.delete(); 8084 } 8085 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8086 Slog.e(TAG, "Cannot rename native library directory " 8087 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8088 return false; 8089 } 8090 libraryPath = newLibraryFile.getPath(); 8091 8092 // Attempt to set permissions 8093 if (!setPermissions()) { 8094 return false; 8095 } 8096 8097 if (!SELinux.restorecon(newCodeFile)) { 8098 return false; 8099 } 8100 8101 return true; 8102 } 8103 } 8104 8105 int doPostInstall(int status, int uid) { 8106 if (status != PackageManager.INSTALL_SUCCEEDED) { 8107 cleanUp(); 8108 } 8109 return status; 8110 } 8111 8112 String getResourcePath() { 8113 return resourceFileName; 8114 } 8115 8116 private String getResourcePathFromCodePath() { 8117 final String codePath = getCodePath(); 8118 if (isFwdLocked()) { 8119 final StringBuilder sb = new StringBuilder(); 8120 8121 sb.append(mAppInstallDir.getPath()); 8122 sb.append('/'); 8123 sb.append(getApkName(codePath)); 8124 sb.append(".zip"); 8125 8126 /* 8127 * If our APK is a temporary file, mark the resource as a 8128 * temporary file as well so it can be cleaned up after 8129 * catastrophic failure. 8130 */ 8131 if (codePath.endsWith(".tmp")) { 8132 sb.append(".tmp"); 8133 } 8134 8135 return sb.toString(); 8136 } else { 8137 return codePath; 8138 } 8139 } 8140 8141 private String getLibraryPathFromCodePath() { 8142 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8143 } 8144 8145 @Override 8146 String getNativeLibraryPath() { 8147 if (libraryPath == null) { 8148 libraryPath = getLibraryPathFromCodePath(); 8149 } 8150 return libraryPath; 8151 } 8152 8153 private boolean cleanUp() { 8154 boolean ret = true; 8155 String sourceDir = getCodePath(); 8156 String publicSourceDir = getResourcePath(); 8157 if (sourceDir != null) { 8158 File sourceFile = new File(sourceDir); 8159 if (!sourceFile.exists()) { 8160 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8161 ret = false; 8162 } 8163 // Delete application's code and resources 8164 sourceFile.delete(); 8165 } 8166 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8167 final File publicSourceFile = new File(publicSourceDir); 8168 if (!publicSourceFile.exists()) { 8169 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8170 } 8171 if (publicSourceFile.exists()) { 8172 publicSourceFile.delete(); 8173 } 8174 } 8175 8176 if (libraryPath != null) { 8177 File nativeLibraryFile = new File(libraryPath); 8178 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8179 if (!nativeLibraryFile.delete()) { 8180 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8181 } 8182 } 8183 8184 return ret; 8185 } 8186 8187 void cleanUpResourcesLI() { 8188 String sourceDir = getCodePath(); 8189 if (cleanUp()) { 8190 int retCode = mInstaller.rmdex(sourceDir); 8191 if (retCode < 0) { 8192 Slog.w(TAG, "Couldn't remove dex file for package: " 8193 + " at location " 8194 + sourceDir + ", retcode=" + retCode); 8195 // we don't consider this to be a failure of the core package deletion 8196 } 8197 } 8198 } 8199 8200 private boolean setPermissions() { 8201 // TODO Do this in a more elegant way later on. for now just a hack 8202 if (!isFwdLocked()) { 8203 final int filePermissions = 8204 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8205 |FileUtils.S_IROTH; 8206 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8207 if (retCode != 0) { 8208 Slog.e(TAG, "Couldn't set new package file permissions for " + 8209 getCodePath() 8210 + ". The return code was: " + retCode); 8211 // TODO Define new internal error 8212 return false; 8213 } 8214 return true; 8215 } 8216 return true; 8217 } 8218 8219 boolean doPostDeleteLI(boolean delete) { 8220 // XXX err, shouldn't we respect the delete flag? 8221 cleanUpResourcesLI(); 8222 return true; 8223 } 8224 } 8225 8226 private boolean isAsecExternal(String cid) { 8227 final String asecPath = PackageHelper.getSdFilesystem(cid); 8228 return !asecPath.startsWith(mAsecInternalPath); 8229 } 8230 8231 /** 8232 * Extract the MountService "container ID" from the full code path of an 8233 * .apk. 8234 */ 8235 static String cidFromCodePath(String fullCodePath) { 8236 int eidx = fullCodePath.lastIndexOf("/"); 8237 String subStr1 = fullCodePath.substring(0, eidx); 8238 int sidx = subStr1.lastIndexOf("/"); 8239 return subStr1.substring(sidx+1, eidx); 8240 } 8241 8242 class AsecInstallArgs extends InstallArgs { 8243 static final String RES_FILE_NAME = "pkg.apk"; 8244 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8245 8246 String cid; 8247 String packagePath; 8248 String resourcePath; 8249 String libraryPath; 8250 8251 AsecInstallArgs(InstallParams params) { 8252 super(params.getPackageUri(), params.observer, params.flags, 8253 params.installerPackageName, params.getManifestDigest(), 8254 params.getUser()); 8255 } 8256 8257 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8258 boolean isExternal, boolean isForwardLocked) { 8259 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8260 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8261 null, null, null); 8262 // Extract cid from fullCodePath 8263 int eidx = fullCodePath.lastIndexOf("/"); 8264 String subStr1 = fullCodePath.substring(0, eidx); 8265 int sidx = subStr1.lastIndexOf("/"); 8266 cid = subStr1.substring(sidx+1, eidx); 8267 setCachePath(subStr1); 8268 } 8269 8270 AsecInstallArgs(String cid, boolean isForwardLocked) { 8271 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8272 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8273 null, null, null); 8274 this.cid = cid; 8275 setCachePath(PackageHelper.getSdDir(cid)); 8276 } 8277 8278 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8279 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8280 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8281 null, null, null); 8282 this.cid = cid; 8283 } 8284 8285 void createCopyFile() { 8286 cid = getTempContainerId(); 8287 } 8288 8289 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8290 try { 8291 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8292 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8293 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8294 } finally { 8295 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8296 } 8297 } 8298 8299 private final boolean isExternal() { 8300 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8301 } 8302 8303 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8304 if (temp) { 8305 createCopyFile(); 8306 } else { 8307 /* 8308 * Pre-emptively destroy the container since it's destroyed if 8309 * copying fails due to it existing anyway. 8310 */ 8311 PackageHelper.destroySdDir(cid); 8312 } 8313 8314 final String newCachePath; 8315 try { 8316 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8317 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8318 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8319 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8320 } finally { 8321 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8322 } 8323 8324 if (newCachePath != null) { 8325 setCachePath(newCachePath); 8326 return PackageManager.INSTALL_SUCCEEDED; 8327 } else { 8328 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8329 } 8330 } 8331 8332 @Override 8333 String getCodePath() { 8334 return packagePath; 8335 } 8336 8337 @Override 8338 String getResourcePath() { 8339 return resourcePath; 8340 } 8341 8342 @Override 8343 String getNativeLibraryPath() { 8344 return libraryPath; 8345 } 8346 8347 int doPreInstall(int status) { 8348 if (status != PackageManager.INSTALL_SUCCEEDED) { 8349 // Destroy container 8350 PackageHelper.destroySdDir(cid); 8351 } else { 8352 boolean mounted = PackageHelper.isContainerMounted(cid); 8353 if (!mounted) { 8354 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8355 Process.SYSTEM_UID); 8356 if (newCachePath != null) { 8357 setCachePath(newCachePath); 8358 } else { 8359 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8360 } 8361 } 8362 } 8363 return status; 8364 } 8365 8366 boolean doRename(int status, final String pkgName, 8367 String oldCodePath) { 8368 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8369 String newCachePath = null; 8370 if (PackageHelper.isContainerMounted(cid)) { 8371 // Unmount the container 8372 if (!PackageHelper.unMountSdDir(cid)) { 8373 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8374 return false; 8375 } 8376 } 8377 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8378 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8379 " which might be stale. Will try to clean up."); 8380 // Clean up the stale container and proceed to recreate. 8381 if (!PackageHelper.destroySdDir(newCacheId)) { 8382 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8383 return false; 8384 } 8385 // Successfully cleaned up stale container. Try to rename again. 8386 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8387 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8388 + " inspite of cleaning it up."); 8389 return false; 8390 } 8391 } 8392 if (!PackageHelper.isContainerMounted(newCacheId)) { 8393 Slog.w(TAG, "Mounting container " + newCacheId); 8394 newCachePath = PackageHelper.mountSdDir(newCacheId, 8395 getEncryptKey(), Process.SYSTEM_UID); 8396 } else { 8397 newCachePath = PackageHelper.getSdDir(newCacheId); 8398 } 8399 if (newCachePath == null) { 8400 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8401 return false; 8402 } 8403 Log.i(TAG, "Succesfully renamed " + cid + 8404 " to " + newCacheId + 8405 " at new path: " + newCachePath); 8406 cid = newCacheId; 8407 setCachePath(newCachePath); 8408 return true; 8409 } 8410 8411 private void setCachePath(String newCachePath) { 8412 File cachePath = new File(newCachePath); 8413 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8414 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8415 8416 if (isFwdLocked()) { 8417 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8418 } else { 8419 resourcePath = packagePath; 8420 } 8421 } 8422 8423 int doPostInstall(int status, int uid) { 8424 if (status != PackageManager.INSTALL_SUCCEEDED) { 8425 cleanUp(); 8426 } else { 8427 final int groupOwner; 8428 final String protectedFile; 8429 if (isFwdLocked()) { 8430 groupOwner = UserHandle.getSharedAppGid(uid); 8431 protectedFile = RES_FILE_NAME; 8432 } else { 8433 groupOwner = -1; 8434 protectedFile = null; 8435 } 8436 8437 if (uid < Process.FIRST_APPLICATION_UID 8438 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8439 Slog.e(TAG, "Failed to finalize " + cid); 8440 PackageHelper.destroySdDir(cid); 8441 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8442 } 8443 8444 boolean mounted = PackageHelper.isContainerMounted(cid); 8445 if (!mounted) { 8446 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8447 } 8448 } 8449 return status; 8450 } 8451 8452 private void cleanUp() { 8453 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8454 8455 // Destroy secure container 8456 PackageHelper.destroySdDir(cid); 8457 } 8458 8459 void cleanUpResourcesLI() { 8460 String sourceFile = getCodePath(); 8461 // Remove dex file 8462 int retCode = mInstaller.rmdex(sourceFile); 8463 if (retCode < 0) { 8464 Slog.w(TAG, "Couldn't remove dex file for package: " 8465 + " at location " 8466 + sourceFile.toString() + ", retcode=" + retCode); 8467 // we don't consider this to be a failure of the core package deletion 8468 } 8469 cleanUp(); 8470 } 8471 8472 boolean matchContainer(String app) { 8473 if (cid.startsWith(app)) { 8474 return true; 8475 } 8476 return false; 8477 } 8478 8479 String getPackageName() { 8480 return getAsecPackageName(cid); 8481 } 8482 8483 boolean doPostDeleteLI(boolean delete) { 8484 boolean ret = false; 8485 boolean mounted = PackageHelper.isContainerMounted(cid); 8486 if (mounted) { 8487 // Unmount first 8488 ret = PackageHelper.unMountSdDir(cid); 8489 } 8490 if (ret && delete) { 8491 cleanUpResourcesLI(); 8492 } 8493 return ret; 8494 } 8495 8496 @Override 8497 int doPreCopy() { 8498 if (isFwdLocked()) { 8499 if (!PackageHelper.fixSdPermissions(cid, 8500 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8501 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8502 } 8503 } 8504 8505 return PackageManager.INSTALL_SUCCEEDED; 8506 } 8507 8508 @Override 8509 int doPostCopy(int uid) { 8510 if (isFwdLocked()) { 8511 if (uid < Process.FIRST_APPLICATION_UID 8512 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8513 RES_FILE_NAME)) { 8514 Slog.e(TAG, "Failed to finalize " + cid); 8515 PackageHelper.destroySdDir(cid); 8516 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8517 } 8518 } 8519 8520 return PackageManager.INSTALL_SUCCEEDED; 8521 } 8522 }; 8523 8524 static String getAsecPackageName(String packageCid) { 8525 int idx = packageCid.lastIndexOf("-"); 8526 if (idx == -1) { 8527 return packageCid; 8528 } 8529 return packageCid.substring(0, idx); 8530 } 8531 8532 // Utility method used to create code paths based on package name and available index. 8533 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8534 String idxStr = ""; 8535 int idx = 1; 8536 // Fall back to default value of idx=1 if prefix is not 8537 // part of oldCodePath 8538 if (oldCodePath != null) { 8539 String subStr = oldCodePath; 8540 // Drop the suffix right away 8541 if (subStr.endsWith(suffix)) { 8542 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8543 } 8544 // If oldCodePath already contains prefix find out the 8545 // ending index to either increment or decrement. 8546 int sidx = subStr.lastIndexOf(prefix); 8547 if (sidx != -1) { 8548 subStr = subStr.substring(sidx + prefix.length()); 8549 if (subStr != null) { 8550 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8551 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8552 } 8553 try { 8554 idx = Integer.parseInt(subStr); 8555 if (idx <= 1) { 8556 idx++; 8557 } else { 8558 idx--; 8559 } 8560 } catch(NumberFormatException e) { 8561 } 8562 } 8563 } 8564 } 8565 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8566 return prefix + idxStr; 8567 } 8568 8569 // Utility method used to ignore ADD/REMOVE events 8570 // by directory observer. 8571 private static boolean ignoreCodePath(String fullPathStr) { 8572 String apkName = getApkName(fullPathStr); 8573 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8574 if (idx != -1 && ((idx+1) < apkName.length())) { 8575 // Make sure the package ends with a numeral 8576 String version = apkName.substring(idx+1); 8577 try { 8578 Integer.parseInt(version); 8579 return true; 8580 } catch (NumberFormatException e) {} 8581 } 8582 return false; 8583 } 8584 8585 // Utility method that returns the relative package path with respect 8586 // to the installation directory. Like say for /data/data/com.test-1.apk 8587 // string com.test-1 is returned. 8588 static String getApkName(String codePath) { 8589 if (codePath == null) { 8590 return null; 8591 } 8592 int sidx = codePath.lastIndexOf("/"); 8593 int eidx = codePath.lastIndexOf("."); 8594 if (eidx == -1) { 8595 eidx = codePath.length(); 8596 } else if (eidx == 0) { 8597 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8598 return null; 8599 } 8600 return codePath.substring(sidx+1, eidx); 8601 } 8602 8603 class PackageInstalledInfo { 8604 String name; 8605 int uid; 8606 // The set of users that originally had this package installed. 8607 int[] origUsers; 8608 // The set of users that now have this package installed. 8609 int[] newUsers; 8610 PackageParser.Package pkg; 8611 int returnCode; 8612 PackageRemovedInfo removedInfo; 8613 } 8614 8615 /* 8616 * Install a non-existing package. 8617 */ 8618 private void installNewPackageLI(PackageParser.Package pkg, 8619 int parseFlags, int scanMode, UserHandle user, 8620 String installerPackageName, PackageInstalledInfo res) { 8621 // Remember this for later, in case we need to rollback this install 8622 String pkgName = pkg.packageName; 8623 8624 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8625 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8626 synchronized(mPackages) { 8627 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8628 // A package with the same name is already installed, though 8629 // it has been renamed to an older name. The package we 8630 // are trying to install should be installed as an update to 8631 // the existing one, but that has not been requested, so bail. 8632 Slog.w(TAG, "Attempt to re-install " + pkgName 8633 + " without first uninstalling package running as " 8634 + mSettings.mRenamedPackages.get(pkgName)); 8635 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8636 return; 8637 } 8638 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8639 // Don't allow installation over an existing package with the same name. 8640 Slog.w(TAG, "Attempt to re-install " + pkgName 8641 + " without first uninstalling."); 8642 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8643 return; 8644 } 8645 } 8646 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8647 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8648 System.currentTimeMillis(), user); 8649 if (newPackage == null) { 8650 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8651 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8652 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8653 } 8654 } else { 8655 updateSettingsLI(newPackage, 8656 installerPackageName, 8657 null, null, 8658 res); 8659 // delete the partially installed application. the data directory will have to be 8660 // restored if it was already existing 8661 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8662 // remove package from internal structures. Note that we want deletePackageX to 8663 // delete the package data and cache directories that it created in 8664 // scanPackageLocked, unless those directories existed before we even tried to 8665 // install. 8666 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8667 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8668 res.removedInfo, true); 8669 } 8670 } 8671 } 8672 8673 private void replacePackageLI(PackageParser.Package pkg, 8674 int parseFlags, int scanMode, UserHandle user, 8675 String installerPackageName, PackageInstalledInfo res) { 8676 8677 PackageParser.Package oldPackage; 8678 String pkgName = pkg.packageName; 8679 int[] allUsers; 8680 boolean[] perUserInstalled; 8681 8682 // First find the old package info and check signatures 8683 synchronized(mPackages) { 8684 oldPackage = mPackages.get(pkgName); 8685 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8686 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8687 != PackageManager.SIGNATURE_MATCH) { 8688 Slog.w(TAG, "New package has a different signature: " + pkgName); 8689 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8690 return; 8691 } 8692 8693 // In case of rollback, remember per-user/profile install state 8694 PackageSetting ps = mSettings.mPackages.get(pkgName); 8695 allUsers = sUserManager.getUserIds(); 8696 perUserInstalled = new boolean[allUsers.length]; 8697 for (int i = 0; i < allUsers.length; i++) { 8698 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8699 } 8700 } 8701 boolean sysPkg = (isSystemApp(oldPackage)); 8702 if (sysPkg) { 8703 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8704 user, allUsers, perUserInstalled, installerPackageName, res); 8705 } else { 8706 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8707 user, allUsers, perUserInstalled, installerPackageName, res); 8708 } 8709 } 8710 8711 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8712 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8713 int[] allUsers, boolean[] perUserInstalled, 8714 String installerPackageName, PackageInstalledInfo res) { 8715 PackageParser.Package newPackage = null; 8716 String pkgName = deletedPackage.packageName; 8717 boolean deletedPkg = true; 8718 boolean updatedSettings = false; 8719 8720 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8721 + deletedPackage); 8722 long origUpdateTime; 8723 if (pkg.mExtras != null) { 8724 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8725 } else { 8726 origUpdateTime = 0; 8727 } 8728 8729 // First delete the existing package while retaining the data directory 8730 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8731 res.removedInfo, true)) { 8732 // If the existing package wasn't successfully deleted 8733 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8734 deletedPkg = false; 8735 } else { 8736 // Successfully deleted the old package. Now proceed with re-installation 8737 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8738 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8739 System.currentTimeMillis(), user); 8740 if (newPackage == null) { 8741 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8742 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8743 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8744 } 8745 } else { 8746 updateSettingsLI(newPackage, 8747 installerPackageName, 8748 allUsers, perUserInstalled, 8749 res); 8750 updatedSettings = true; 8751 } 8752 } 8753 8754 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8755 // remove package from internal structures. Note that we want deletePackageX to 8756 // delete the package data and cache directories that it created in 8757 // scanPackageLocked, unless those directories existed before we even tried to 8758 // install. 8759 if(updatedSettings) { 8760 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8761 deletePackageLI( 8762 pkgName, null, true, allUsers, perUserInstalled, 8763 PackageManager.DELETE_KEEP_DATA, 8764 res.removedInfo, true); 8765 } 8766 // Since we failed to install the new package we need to restore the old 8767 // package that we deleted. 8768 if(deletedPkg) { 8769 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 8770 File restoreFile = new File(deletedPackage.mPath); 8771 // Parse old package 8772 boolean oldOnSd = isExternal(deletedPackage); 8773 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 8774 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 8775 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 8776 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 8777 | SCAN_UPDATE_TIME; 8778 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 8779 origUpdateTime, null) == null) { 8780 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 8781 return; 8782 } 8783 // Restore of old package succeeded. Update permissions. 8784 // writer 8785 synchronized (mPackages) { 8786 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 8787 UPDATE_PERMISSIONS_ALL); 8788 // can downgrade to reader 8789 mSettings.writeLPr(); 8790 } 8791 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 8792 } 8793 } 8794 } 8795 8796 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 8797 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8798 int[] allUsers, boolean[] perUserInstalled, 8799 String installerPackageName, PackageInstalledInfo res) { 8800 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 8801 + ", old=" + deletedPackage); 8802 PackageParser.Package newPackage = null; 8803 boolean updatedSettings = false; 8804 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 8805 PackageParser.PARSE_IS_SYSTEM; 8806 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 8807 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8808 } 8809 String packageName = deletedPackage.packageName; 8810 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8811 if (packageName == null) { 8812 Slog.w(TAG, "Attempt to delete null packageName."); 8813 return; 8814 } 8815 PackageParser.Package oldPkg; 8816 PackageSetting oldPkgSetting; 8817 // reader 8818 synchronized (mPackages) { 8819 oldPkg = mPackages.get(packageName); 8820 oldPkgSetting = mSettings.mPackages.get(packageName); 8821 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 8822 (oldPkgSetting == null)) { 8823 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 8824 return; 8825 } 8826 } 8827 8828 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 8829 8830 res.removedInfo.uid = oldPkg.applicationInfo.uid; 8831 res.removedInfo.removedPackage = packageName; 8832 // Remove existing system package 8833 removePackageLI(oldPkgSetting, true); 8834 // writer 8835 synchronized (mPackages) { 8836 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 8837 // We didn't need to disable the .apk as a current system package, 8838 // which means we are replacing another update that is already 8839 // installed. We need to make sure to delete the older one's .apk. 8840 res.removedInfo.args = createInstallArgs(0, 8841 deletedPackage.applicationInfo.sourceDir, 8842 deletedPackage.applicationInfo.publicSourceDir, 8843 deletedPackage.applicationInfo.nativeLibraryDir); 8844 } else { 8845 res.removedInfo.args = null; 8846 } 8847 } 8848 8849 // Successfully disabled the old package. Now proceed with re-installation 8850 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8851 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8852 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 8853 if (newPackage == null) { 8854 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8855 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8856 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8857 } 8858 } else { 8859 if (newPackage.mExtras != null) { 8860 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 8861 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 8862 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 8863 } 8864 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 8865 updatedSettings = true; 8866 } 8867 8868 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8869 // Re installation failed. Restore old information 8870 // Remove new pkg information 8871 if (newPackage != null) { 8872 removeInstalledPackageLI(newPackage, true); 8873 } 8874 // Add back the old system package 8875 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 8876 // Restore the old system information in Settings 8877 synchronized(mPackages) { 8878 if (updatedSettings) { 8879 mSettings.enableSystemPackageLPw(packageName); 8880 mSettings.setInstallerPackageName(packageName, 8881 oldPkgSetting.installerPackageName); 8882 } 8883 mSettings.writeLPr(); 8884 } 8885 } 8886 } 8887 8888 // Utility method used to move dex files during install. 8889 private int moveDexFilesLI(PackageParser.Package newPackage) { 8890 int retCode; 8891 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 8892 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 8893 if (retCode != 0) { 8894 if (mNoDexOpt) { 8895 /* 8896 * If we're in an engineering build, programs are lazily run 8897 * through dexopt. If the .dex file doesn't exist yet, it 8898 * will be created when the program is run next. 8899 */ 8900 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 8901 } else { 8902 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 8903 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8904 } 8905 } 8906 } 8907 return PackageManager.INSTALL_SUCCEEDED; 8908 } 8909 8910 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 8911 int[] allUsers, boolean[] perUserInstalled, 8912 PackageInstalledInfo res) { 8913 String pkgName = newPackage.packageName; 8914 synchronized (mPackages) { 8915 //write settings. the installStatus will be incomplete at this stage. 8916 //note that the new package setting would have already been 8917 //added to mPackages. It hasn't been persisted yet. 8918 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 8919 mSettings.writeLPr(); 8920 } 8921 8922 if ((res.returnCode = moveDexFilesLI(newPackage)) 8923 != PackageManager.INSTALL_SUCCEEDED) { 8924 // Discontinue if moving dex files failed. 8925 return; 8926 } 8927 8928 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 8929 8930 synchronized (mPackages) { 8931 updatePermissionsLPw(newPackage.packageName, newPackage, 8932 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 8933 ? UPDATE_PERMISSIONS_ALL : 0)); 8934 // For system-bundled packages, we assume that installing an upgraded version 8935 // of the package implies that the user actually wants to run that new code, 8936 // so we enable the package. 8937 if (isSystemApp(newPackage)) { 8938 // NB: implicit assumption that system package upgrades apply to all users 8939 if (DEBUG_INSTALL) { 8940 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 8941 } 8942 PackageSetting ps = mSettings.mPackages.get(pkgName); 8943 if (ps != null) { 8944 if (res.origUsers != null) { 8945 for (int userHandle : res.origUsers) { 8946 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 8947 userHandle, installerPackageName); 8948 } 8949 } 8950 // Also convey the prior install/uninstall state 8951 if (allUsers != null && perUserInstalled != null) { 8952 for (int i = 0; i < allUsers.length; i++) { 8953 if (DEBUG_INSTALL) { 8954 Slog.d(TAG, " user " + allUsers[i] 8955 + " => " + perUserInstalled[i]); 8956 } 8957 ps.setInstalled(perUserInstalled[i], allUsers[i]); 8958 } 8959 // these install state changes will be persisted in the 8960 // upcoming call to mSettings.writeLPr(). 8961 } 8962 } 8963 } 8964 res.name = pkgName; 8965 res.uid = newPackage.applicationInfo.uid; 8966 res.pkg = newPackage; 8967 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 8968 mSettings.setInstallerPackageName(pkgName, installerPackageName); 8969 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 8970 //to update install status 8971 mSettings.writeLPr(); 8972 } 8973 } 8974 8975 private void installPackageLI(InstallArgs args, 8976 boolean newInstall, PackageInstalledInfo res) { 8977 int pFlags = args.flags; 8978 String installerPackageName = args.installerPackageName; 8979 File tmpPackageFile = new File(args.getCodePath()); 8980 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 8981 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 8982 boolean replace = false; 8983 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 8984 | (newInstall ? SCAN_NEW_INSTALL : 0); 8985 // Result object to be returned 8986 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 8987 8988 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 8989 // Retrieve PackageSettings and parse package 8990 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 8991 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 8992 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 8993 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 8994 pp.setSeparateProcesses(mSeparateProcesses); 8995 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 8996 null, mMetrics, parseFlags); 8997 if (pkg == null) { 8998 res.returnCode = pp.getParseError(); 8999 return; 9000 } 9001 String pkgName = res.name = pkg.packageName; 9002 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9003 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9004 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9005 return; 9006 } 9007 } 9008 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9009 res.returnCode = pp.getParseError(); 9010 return; 9011 } 9012 9013 /* If the installer passed in a manifest digest, compare it now. */ 9014 if (args.manifestDigest != null) { 9015 if (DEBUG_INSTALL) { 9016 final String parsedManifest = pkg.manifestDigest == null ? "null" 9017 : pkg.manifestDigest.toString(); 9018 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9019 + parsedManifest); 9020 } 9021 9022 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9023 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9024 return; 9025 } 9026 } else if (DEBUG_INSTALL) { 9027 final String parsedManifest = pkg.manifestDigest == null 9028 ? "null" : pkg.manifestDigest.toString(); 9029 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9030 } 9031 9032 // Get rid of all references to package scan path via parser. 9033 pp = null; 9034 String oldCodePath = null; 9035 boolean systemApp = false; 9036 synchronized (mPackages) { 9037 // Check if installing already existing package 9038 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9039 String oldName = mSettings.mRenamedPackages.get(pkgName); 9040 if (pkg.mOriginalPackages != null 9041 && pkg.mOriginalPackages.contains(oldName) 9042 && mPackages.containsKey(oldName)) { 9043 // This package is derived from an original package, 9044 // and this device has been updating from that original 9045 // name. We must continue using the original name, so 9046 // rename the new package here. 9047 pkg.setPackageName(oldName); 9048 pkgName = pkg.packageName; 9049 replace = true; 9050 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9051 + oldName + " pkgName=" + pkgName); 9052 } else if (mPackages.containsKey(pkgName)) { 9053 // This package, under its official name, already exists 9054 // on the device; we should replace it. 9055 replace = true; 9056 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9057 } 9058 } 9059 PackageSetting ps = mSettings.mPackages.get(pkgName); 9060 if (ps != null) { 9061 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9062 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9063 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9064 systemApp = (ps.pkg.applicationInfo.flags & 9065 ApplicationInfo.FLAG_SYSTEM) != 0; 9066 } 9067 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9068 } 9069 } 9070 9071 if (systemApp && onSd) { 9072 // Disable updates to system apps on sdcard 9073 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9074 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9075 return; 9076 } 9077 9078 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9079 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9080 return; 9081 } 9082 // Set application objects path explicitly after the rename 9083 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9084 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9085 if (replace) { 9086 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9087 installerPackageName, res); 9088 } else { 9089 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9090 installerPackageName, res); 9091 } 9092 synchronized (mPackages) { 9093 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9094 if (ps != null) { 9095 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9096 } 9097 } 9098 } 9099 9100 private static boolean isForwardLocked(PackageParser.Package pkg) { 9101 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9102 } 9103 9104 9105 private boolean isForwardLocked(PackageSetting ps) { 9106 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9107 } 9108 9109 private static boolean isExternal(PackageParser.Package pkg) { 9110 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9111 } 9112 9113 private static boolean isExternal(PackageSetting ps) { 9114 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9115 } 9116 9117 private static boolean isSystemApp(PackageParser.Package pkg) { 9118 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9119 } 9120 9121 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9122 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9123 } 9124 9125 private static boolean isSystemApp(ApplicationInfo info) { 9126 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9127 } 9128 9129 private static boolean isSystemApp(PackageSetting ps) { 9130 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9131 } 9132 9133 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9134 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9135 } 9136 9137 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9138 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9139 } 9140 9141 private int packageFlagsToInstallFlags(PackageSetting ps) { 9142 int installFlags = 0; 9143 if (isExternal(ps)) { 9144 installFlags |= PackageManager.INSTALL_EXTERNAL; 9145 } 9146 if (isForwardLocked(ps)) { 9147 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9148 } 9149 return installFlags; 9150 } 9151 9152 private void deleteTempPackageFiles() { 9153 final FilenameFilter filter = new FilenameFilter() { 9154 public boolean accept(File dir, String name) { 9155 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9156 } 9157 }; 9158 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9159 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9160 } 9161 9162 private static final void deleteTempPackageFilesInDirectory(File directory, 9163 FilenameFilter filter) { 9164 final String[] tmpFilesList = directory.list(filter); 9165 if (tmpFilesList == null) { 9166 return; 9167 } 9168 for (int i = 0; i < tmpFilesList.length; i++) { 9169 final File tmpFile = new File(directory, tmpFilesList[i]); 9170 tmpFile.delete(); 9171 } 9172 } 9173 9174 private File createTempPackageFile(File installDir) { 9175 File tmpPackageFile; 9176 try { 9177 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9178 } catch (IOException e) { 9179 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9180 return null; 9181 } 9182 try { 9183 FileUtils.setPermissions( 9184 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9185 -1, -1); 9186 if (!SELinux.restorecon(tmpPackageFile)) { 9187 return null; 9188 } 9189 } catch (IOException e) { 9190 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9191 return null; 9192 } 9193 return tmpPackageFile; 9194 } 9195 9196 @Override 9197 public void deletePackageAsUser(final String packageName, 9198 final IPackageDeleteObserver observer, 9199 final int userId, final int flags) { 9200 mContext.enforceCallingOrSelfPermission( 9201 android.Manifest.permission.DELETE_PACKAGES, null); 9202 final int uid = Binder.getCallingUid(); 9203 if (UserHandle.getUserId(uid) != userId) { 9204 mContext.enforceCallingPermission( 9205 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9206 "deletePackage for user " + userId); 9207 } 9208 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9209 try { 9210 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9211 } catch (RemoteException re) { 9212 } 9213 return; 9214 } 9215 9216 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9217 // Queue up an async operation since the package deletion may take a little while. 9218 mHandler.post(new Runnable() { 9219 public void run() { 9220 mHandler.removeCallbacks(this); 9221 final int returnCode = deletePackageX(packageName, userId, flags); 9222 if (observer != null) { 9223 try { 9224 observer.packageDeleted(packageName, returnCode); 9225 } catch (RemoteException e) { 9226 Log.i(TAG, "Observer no longer exists."); 9227 } //end catch 9228 } //end if 9229 } //end run 9230 }); 9231 } 9232 9233 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9234 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9235 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9236 try { 9237 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9238 || dpm.isDeviceOwner(packageName))) { 9239 return true; 9240 } 9241 } catch (RemoteException e) { 9242 } 9243 return false; 9244 } 9245 9246 /** 9247 * This method is an internal method that could be get invoked either 9248 * to delete an installed package or to clean up a failed installation. 9249 * After deleting an installed package, a broadcast is sent to notify any 9250 * listeners that the package has been installed. For cleaning up a failed 9251 * installation, the broadcast is not necessary since the package's 9252 * installation wouldn't have sent the initial broadcast either 9253 * The key steps in deleting a package are 9254 * deleting the package information in internal structures like mPackages, 9255 * deleting the packages base directories through installd 9256 * updating mSettings to reflect current status 9257 * persisting settings for later use 9258 * sending a broadcast if necessary 9259 */ 9260 private int deletePackageX(String packageName, int userId, int flags) { 9261 final PackageRemovedInfo info = new PackageRemovedInfo(); 9262 final boolean res; 9263 9264 if (isPackageDeviceAdmin(packageName, userId)) { 9265 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9266 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9267 } 9268 9269 boolean removedForAllUsers = false; 9270 boolean systemUpdate = false; 9271 9272 // for the uninstall-updates case and restricted profiles, remember the per- 9273 // userhandle installed state 9274 int[] allUsers; 9275 boolean[] perUserInstalled; 9276 synchronized (mPackages) { 9277 PackageSetting ps = mSettings.mPackages.get(packageName); 9278 allUsers = sUserManager.getUserIds(); 9279 perUserInstalled = new boolean[allUsers.length]; 9280 for (int i = 0; i < allUsers.length; i++) { 9281 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9282 } 9283 } 9284 9285 synchronized (mInstallLock) { 9286 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9287 res = deletePackageLI(packageName, 9288 (flags & PackageManager.DELETE_ALL_USERS) != 0 9289 ? UserHandle.ALL : new UserHandle(userId), 9290 true, allUsers, perUserInstalled, 9291 flags | REMOVE_CHATTY, info, true); 9292 systemUpdate = info.isRemovedPackageSystemUpdate; 9293 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9294 removedForAllUsers = true; 9295 } 9296 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9297 + " removedForAllUsers=" + removedForAllUsers); 9298 } 9299 9300 if (res) { 9301 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9302 9303 // If the removed package was a system update, the old system package 9304 // was re-enabled; we need to broadcast this information 9305 if (systemUpdate) { 9306 Bundle extras = new Bundle(1); 9307 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9308 ? info.removedAppId : info.uid); 9309 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9310 9311 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9312 extras, null, null, null); 9313 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9314 extras, null, null, null); 9315 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9316 null, packageName, null, null); 9317 } 9318 } 9319 // Force a gc here. 9320 Runtime.getRuntime().gc(); 9321 // Delete the resources here after sending the broadcast to let 9322 // other processes clean up before deleting resources. 9323 if (info.args != null) { 9324 synchronized (mInstallLock) { 9325 info.args.doPostDeleteLI(true); 9326 } 9327 } 9328 9329 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9330 } 9331 9332 static class PackageRemovedInfo { 9333 String removedPackage; 9334 int uid = -1; 9335 int removedAppId = -1; 9336 int[] removedUsers = null; 9337 boolean isRemovedPackageSystemUpdate = false; 9338 // Clean up resources deleted packages. 9339 InstallArgs args = null; 9340 9341 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9342 Bundle extras = new Bundle(1); 9343 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9344 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9345 if (replacing) { 9346 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9347 } 9348 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9349 if (removedPackage != null) { 9350 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9351 extras, null, null, removedUsers); 9352 if (fullRemove && !replacing) { 9353 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9354 extras, null, null, removedUsers); 9355 } 9356 } 9357 if (removedAppId >= 0) { 9358 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9359 removedUsers); 9360 } 9361 } 9362 } 9363 9364 /* 9365 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9366 * flag is not set, the data directory is removed as well. 9367 * make sure this flag is set for partially installed apps. If not its meaningless to 9368 * delete a partially installed application. 9369 */ 9370 private void removePackageDataLI(PackageSetting ps, 9371 int[] allUserHandles, boolean[] perUserInstalled, 9372 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9373 String packageName = ps.name; 9374 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9375 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9376 // Retrieve object to delete permissions for shared user later on 9377 final PackageSetting deletedPs; 9378 // reader 9379 synchronized (mPackages) { 9380 deletedPs = mSettings.mPackages.get(packageName); 9381 if (outInfo != null) { 9382 outInfo.removedPackage = packageName; 9383 outInfo.removedUsers = deletedPs != null 9384 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9385 : null; 9386 } 9387 } 9388 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9389 removeDataDirsLI(packageName); 9390 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9391 } 9392 // writer 9393 synchronized (mPackages) { 9394 if (deletedPs != null) { 9395 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9396 if (outInfo != null) { 9397 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9398 } 9399 if (deletedPs != null) { 9400 updatePermissionsLPw(deletedPs.name, null, 0); 9401 if (deletedPs.sharedUser != null) { 9402 // remove permissions associated with package 9403 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9404 } 9405 } 9406 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9407 } 9408 // make sure to preserve per-user disabled state if this removal was just 9409 // a downgrade of a system app to the factory package 9410 if (allUserHandles != null && perUserInstalled != null) { 9411 if (DEBUG_REMOVE) { 9412 Slog.d(TAG, "Propagating install state across downgrade"); 9413 } 9414 for (int i = 0; i < allUserHandles.length; i++) { 9415 if (DEBUG_REMOVE) { 9416 Slog.d(TAG, " user " + allUserHandles[i] 9417 + " => " + perUserInstalled[i]); 9418 } 9419 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9420 } 9421 } 9422 } 9423 // can downgrade to reader 9424 if (writeSettings) { 9425 // Save settings now 9426 mSettings.writeLPr(); 9427 } 9428 } 9429 if (outInfo != null) { 9430 // A user ID was deleted here. Go through all users and remove it 9431 // from KeyStore. 9432 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9433 } 9434 } 9435 9436 static boolean locationIsPrivileged(File path) { 9437 try { 9438 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9439 .getCanonicalPath(); 9440 return path.getCanonicalPath().startsWith(privilegedAppDir); 9441 } catch (IOException e) { 9442 Slog.e(TAG, "Unable to access code path " + path); 9443 } 9444 return false; 9445 } 9446 9447 /* 9448 * Tries to delete system package. 9449 */ 9450 private boolean deleteSystemPackageLI(PackageSetting newPs, 9451 int[] allUserHandles, boolean[] perUserInstalled, 9452 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9453 final boolean applyUserRestrictions 9454 = (allUserHandles != null) && (perUserInstalled != null); 9455 PackageSetting disabledPs = null; 9456 // Confirm if the system package has been updated 9457 // An updated system app can be deleted. This will also have to restore 9458 // the system pkg from system partition 9459 // reader 9460 synchronized (mPackages) { 9461 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9462 } 9463 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9464 + " disabledPs=" + disabledPs); 9465 if (disabledPs == null) { 9466 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9467 return false; 9468 } else if (DEBUG_REMOVE) { 9469 Slog.d(TAG, "Deleting system pkg from data partition"); 9470 } 9471 if (DEBUG_REMOVE) { 9472 if (applyUserRestrictions) { 9473 Slog.d(TAG, "Remembering install states:"); 9474 for (int i = 0; i < allUserHandles.length; i++) { 9475 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9476 } 9477 } 9478 } 9479 // Delete the updated package 9480 outInfo.isRemovedPackageSystemUpdate = true; 9481 if (disabledPs.versionCode < newPs.versionCode) { 9482 // Delete data for downgrades 9483 flags &= ~PackageManager.DELETE_KEEP_DATA; 9484 } else { 9485 // Preserve data by setting flag 9486 flags |= PackageManager.DELETE_KEEP_DATA; 9487 } 9488 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9489 allUserHandles, perUserInstalled, outInfo, writeSettings); 9490 if (!ret) { 9491 return false; 9492 } 9493 // writer 9494 synchronized (mPackages) { 9495 // Reinstate the old system package 9496 mSettings.enableSystemPackageLPw(newPs.name); 9497 // Remove any native libraries from the upgraded package. 9498 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9499 } 9500 // Install the system package 9501 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9502 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9503 if (locationIsPrivileged(disabledPs.codePath)) { 9504 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9505 } 9506 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9507 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9508 9509 if (newPkg == null) { 9510 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9511 + " with error:" + mLastScanError); 9512 return false; 9513 } 9514 // writer 9515 synchronized (mPackages) { 9516 updatePermissionsLPw(newPkg.packageName, newPkg, 9517 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9518 if (applyUserRestrictions) { 9519 if (DEBUG_REMOVE) { 9520 Slog.d(TAG, "Propagating install state across reinstall"); 9521 } 9522 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9523 for (int i = 0; i < allUserHandles.length; i++) { 9524 if (DEBUG_REMOVE) { 9525 Slog.d(TAG, " user " + allUserHandles[i] 9526 + " => " + perUserInstalled[i]); 9527 } 9528 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9529 } 9530 // Regardless of writeSettings we need to ensure that this restriction 9531 // state propagation is persisted 9532 mSettings.writeAllUsersPackageRestrictionsLPr(); 9533 } 9534 // can downgrade to reader here 9535 if (writeSettings) { 9536 mSettings.writeLPr(); 9537 } 9538 } 9539 return true; 9540 } 9541 9542 private boolean deleteInstalledPackageLI(PackageSetting ps, 9543 boolean deleteCodeAndResources, int flags, 9544 int[] allUserHandles, boolean[] perUserInstalled, 9545 PackageRemovedInfo outInfo, boolean writeSettings) { 9546 if (outInfo != null) { 9547 outInfo.uid = ps.appId; 9548 } 9549 9550 // Delete package data from internal structures and also remove data if flag is set 9551 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9552 9553 // Delete application code and resources 9554 if (deleteCodeAndResources && (outInfo != null)) { 9555 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9556 ps.resourcePathString, ps.nativeLibraryPathString); 9557 } 9558 return true; 9559 } 9560 9561 /* 9562 * This method handles package deletion in general 9563 */ 9564 private boolean deletePackageLI(String packageName, UserHandle user, 9565 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9566 int flags, PackageRemovedInfo outInfo, 9567 boolean writeSettings) { 9568 if (packageName == null) { 9569 Slog.w(TAG, "Attempt to delete null packageName."); 9570 return false; 9571 } 9572 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9573 PackageSetting ps; 9574 boolean dataOnly = false; 9575 int removeUser = -1; 9576 int appId = -1; 9577 synchronized (mPackages) { 9578 ps = mSettings.mPackages.get(packageName); 9579 if (ps == null) { 9580 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9581 return false; 9582 } 9583 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9584 && user.getIdentifier() != UserHandle.USER_ALL) { 9585 // The caller is asking that the package only be deleted for a single 9586 // user. To do this, we just mark its uninstalled state and delete 9587 // its data. If this is a system app, we only allow this to happen if 9588 // they have set the special DELETE_SYSTEM_APP which requests different 9589 // semantics than normal for uninstalling system apps. 9590 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9591 ps.setUserState(user.getIdentifier(), 9592 COMPONENT_ENABLED_STATE_DEFAULT, 9593 false, //installed 9594 true, //stopped 9595 true, //notLaunched 9596 false, //blocked 9597 null, null, null); 9598 if (!isSystemApp(ps)) { 9599 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9600 // Other user still have this package installed, so all 9601 // we need to do is clear this user's data and save that 9602 // it is uninstalled. 9603 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9604 removeUser = user.getIdentifier(); 9605 appId = ps.appId; 9606 mSettings.writePackageRestrictionsLPr(removeUser); 9607 } else { 9608 // We need to set it back to 'installed' so the uninstall 9609 // broadcasts will be sent correctly. 9610 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9611 ps.setInstalled(true, user.getIdentifier()); 9612 } 9613 } else { 9614 // This is a system app, so we assume that the 9615 // other users still have this package installed, so all 9616 // we need to do is clear this user's data and save that 9617 // it is uninstalled. 9618 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9619 removeUser = user.getIdentifier(); 9620 appId = ps.appId; 9621 mSettings.writePackageRestrictionsLPr(removeUser); 9622 } 9623 } 9624 } 9625 9626 if (removeUser >= 0) { 9627 // From above, we determined that we are deleting this only 9628 // for a single user. Continue the work here. 9629 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9630 if (outInfo != null) { 9631 outInfo.removedPackage = packageName; 9632 outInfo.removedAppId = appId; 9633 outInfo.removedUsers = new int[] {removeUser}; 9634 } 9635 mInstaller.clearUserData(packageName, removeUser); 9636 removeKeystoreDataIfNeeded(removeUser, appId); 9637 schedulePackageCleaning(packageName, removeUser, false); 9638 return true; 9639 } 9640 9641 if (dataOnly) { 9642 // Delete application data first 9643 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9644 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9645 return true; 9646 } 9647 9648 boolean ret = false; 9649 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9650 if (isSystemApp(ps)) { 9651 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9652 // When an updated system application is deleted we delete the existing resources as well and 9653 // fall back to existing code in system partition 9654 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9655 flags, outInfo, writeSettings); 9656 } else { 9657 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9658 // Kill application pre-emptively especially for apps on sd. 9659 killApplication(packageName, ps.appId, "uninstall pkg"); 9660 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9661 allUserHandles, perUserInstalled, 9662 outInfo, writeSettings); 9663 } 9664 9665 return ret; 9666 } 9667 9668 private final class ClearStorageConnection implements ServiceConnection { 9669 IMediaContainerService mContainerService; 9670 9671 @Override 9672 public void onServiceConnected(ComponentName name, IBinder service) { 9673 synchronized (this) { 9674 mContainerService = IMediaContainerService.Stub.asInterface(service); 9675 notifyAll(); 9676 } 9677 } 9678 9679 @Override 9680 public void onServiceDisconnected(ComponentName name) { 9681 } 9682 } 9683 9684 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9685 final boolean mounted; 9686 if (Environment.isExternalStorageEmulated()) { 9687 mounted = true; 9688 } else { 9689 final String status = Environment.getExternalStorageState(); 9690 9691 mounted = status.equals(Environment.MEDIA_MOUNTED) 9692 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9693 } 9694 9695 if (!mounted) { 9696 return; 9697 } 9698 9699 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9700 int[] users; 9701 if (userId == UserHandle.USER_ALL) { 9702 users = sUserManager.getUserIds(); 9703 } else { 9704 users = new int[] { userId }; 9705 } 9706 final ClearStorageConnection conn = new ClearStorageConnection(); 9707 if (mContext.bindServiceAsUser( 9708 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9709 try { 9710 for (int curUser : users) { 9711 long timeout = SystemClock.uptimeMillis() + 5000; 9712 synchronized (conn) { 9713 long now = SystemClock.uptimeMillis(); 9714 while (conn.mContainerService == null && now < timeout) { 9715 try { 9716 conn.wait(timeout - now); 9717 } catch (InterruptedException e) { 9718 } 9719 } 9720 } 9721 if (conn.mContainerService == null) { 9722 return; 9723 } 9724 9725 final UserEnvironment userEnv = new UserEnvironment(curUser); 9726 clearDirectory(conn.mContainerService, 9727 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9728 if (allData) { 9729 clearDirectory(conn.mContainerService, 9730 userEnv.buildExternalStorageAppDataDirs(packageName)); 9731 clearDirectory(conn.mContainerService, 9732 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9733 } 9734 } 9735 } finally { 9736 mContext.unbindService(conn); 9737 } 9738 } 9739 } 9740 9741 @Override 9742 public void clearApplicationUserData(final String packageName, 9743 final IPackageDataObserver observer, final int userId) { 9744 mContext.enforceCallingOrSelfPermission( 9745 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9746 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9747 // Queue up an async operation since the package deletion may take a little while. 9748 mHandler.post(new Runnable() { 9749 public void run() { 9750 mHandler.removeCallbacks(this); 9751 final boolean succeeded; 9752 synchronized (mInstallLock) { 9753 succeeded = clearApplicationUserDataLI(packageName, userId); 9754 } 9755 clearExternalStorageDataSync(packageName, userId, true); 9756 if (succeeded) { 9757 // invoke DeviceStorageMonitor's update method to clear any notifications 9758 DeviceStorageMonitorInternal 9759 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9760 if (dsm != null) { 9761 dsm.checkMemory(); 9762 } 9763 } 9764 if(observer != null) { 9765 try { 9766 observer.onRemoveCompleted(packageName, succeeded); 9767 } catch (RemoteException e) { 9768 Log.i(TAG, "Observer no longer exists."); 9769 } 9770 } //end if observer 9771 } //end run 9772 }); 9773 } 9774 9775 private boolean clearApplicationUserDataLI(String packageName, int userId) { 9776 if (packageName == null) { 9777 Slog.w(TAG, "Attempt to delete null packageName."); 9778 return false; 9779 } 9780 PackageParser.Package p; 9781 boolean dataOnly = false; 9782 final int appId; 9783 synchronized (mPackages) { 9784 p = mPackages.get(packageName); 9785 if (p == null) { 9786 dataOnly = true; 9787 PackageSetting ps = mSettings.mPackages.get(packageName); 9788 if ((ps == null) || (ps.pkg == null)) { 9789 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9790 return false; 9791 } 9792 p = ps.pkg; 9793 } 9794 if (!dataOnly) { 9795 // need to check this only for fully installed applications 9796 if (p == null) { 9797 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9798 return false; 9799 } 9800 final ApplicationInfo applicationInfo = p.applicationInfo; 9801 if (applicationInfo == null) { 9802 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9803 return false; 9804 } 9805 } 9806 if (p != null && p.applicationInfo != null) { 9807 appId = p.applicationInfo.uid; 9808 } else { 9809 appId = -1; 9810 } 9811 } 9812 int retCode = mInstaller.clearUserData(packageName, userId); 9813 if (retCode < 0) { 9814 Slog.w(TAG, "Couldn't remove cache files for package: " 9815 + packageName); 9816 return false; 9817 } 9818 removeKeystoreDataIfNeeded(userId, appId); 9819 return true; 9820 } 9821 9822 /** 9823 * Remove entries from the keystore daemon. Will only remove it if the 9824 * {@code appId} is valid. 9825 */ 9826 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 9827 if (appId < 0) { 9828 return; 9829 } 9830 9831 final KeyStore keyStore = KeyStore.getInstance(); 9832 if (keyStore != null) { 9833 if (userId == UserHandle.USER_ALL) { 9834 for (final int individual : sUserManager.getUserIds()) { 9835 keyStore.clearUid(UserHandle.getUid(individual, appId)); 9836 } 9837 } else { 9838 keyStore.clearUid(UserHandle.getUid(userId, appId)); 9839 } 9840 } else { 9841 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 9842 } 9843 } 9844 9845 public void deleteApplicationCacheFiles(final String packageName, 9846 final IPackageDataObserver observer) { 9847 mContext.enforceCallingOrSelfPermission( 9848 android.Manifest.permission.DELETE_CACHE_FILES, null); 9849 // Queue up an async operation since the package deletion may take a little while. 9850 final int userId = UserHandle.getCallingUserId(); 9851 mHandler.post(new Runnable() { 9852 public void run() { 9853 mHandler.removeCallbacks(this); 9854 final boolean succeded; 9855 synchronized (mInstallLock) { 9856 succeded = deleteApplicationCacheFilesLI(packageName, userId); 9857 } 9858 clearExternalStorageDataSync(packageName, userId, false); 9859 if(observer != null) { 9860 try { 9861 observer.onRemoveCompleted(packageName, succeded); 9862 } catch (RemoteException e) { 9863 Log.i(TAG, "Observer no longer exists."); 9864 } 9865 } //end if observer 9866 } //end run 9867 }); 9868 } 9869 9870 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 9871 if (packageName == null) { 9872 Slog.w(TAG, "Attempt to delete null packageName."); 9873 return false; 9874 } 9875 PackageParser.Package p; 9876 synchronized (mPackages) { 9877 p = mPackages.get(packageName); 9878 } 9879 if (p == null) { 9880 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 9881 return false; 9882 } 9883 final ApplicationInfo applicationInfo = p.applicationInfo; 9884 if (applicationInfo == null) { 9885 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9886 return false; 9887 } 9888 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 9889 if (retCode < 0) { 9890 Slog.w(TAG, "Couldn't remove cache files for package: " 9891 + packageName + " u" + userId); 9892 return false; 9893 } 9894 return true; 9895 } 9896 9897 public void getPackageSizeInfo(final String packageName, int userHandle, 9898 final IPackageStatsObserver observer) { 9899 mContext.enforceCallingOrSelfPermission( 9900 android.Manifest.permission.GET_PACKAGE_SIZE, null); 9901 9902 PackageStats stats = new PackageStats(packageName, userHandle); 9903 9904 /* 9905 * Queue up an async operation since the package measurement may take a 9906 * little while. 9907 */ 9908 Message msg = mHandler.obtainMessage(INIT_COPY); 9909 msg.obj = new MeasureParams(stats, observer); 9910 mHandler.sendMessage(msg); 9911 } 9912 9913 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 9914 PackageStats pStats) { 9915 if (packageName == null) { 9916 Slog.w(TAG, "Attempt to get size of null packageName."); 9917 return false; 9918 } 9919 PackageParser.Package p; 9920 boolean dataOnly = false; 9921 String libDirPath = null; 9922 String asecPath = null; 9923 synchronized (mPackages) { 9924 p = mPackages.get(packageName); 9925 PackageSetting ps = mSettings.mPackages.get(packageName); 9926 if(p == null) { 9927 dataOnly = true; 9928 if((ps == null) || (ps.pkg == null)) { 9929 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 9930 return false; 9931 } 9932 p = ps.pkg; 9933 } 9934 if (ps != null) { 9935 libDirPath = ps.nativeLibraryPathString; 9936 } 9937 if (p != null && (isExternal(p) || isForwardLocked(p))) { 9938 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 9939 if (secureContainerId != null) { 9940 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 9941 } 9942 } 9943 } 9944 String publicSrcDir = null; 9945 if(!dataOnly) { 9946 final ApplicationInfo applicationInfo = p.applicationInfo; 9947 if (applicationInfo == null) { 9948 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9949 return false; 9950 } 9951 if (isForwardLocked(p)) { 9952 publicSrcDir = applicationInfo.publicSourceDir; 9953 } 9954 } 9955 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 9956 publicSrcDir, asecPath, pStats); 9957 if (res < 0) { 9958 return false; 9959 } 9960 9961 // Fix-up for forward-locked applications in ASEC containers. 9962 if (!isExternal(p)) { 9963 pStats.codeSize += pStats.externalCodeSize; 9964 pStats.externalCodeSize = 0L; 9965 } 9966 9967 return true; 9968 } 9969 9970 9971 public void addPackageToPreferred(String packageName) { 9972 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 9973 } 9974 9975 public void removePackageFromPreferred(String packageName) { 9976 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 9977 } 9978 9979 public List<PackageInfo> getPreferredPackages(int flags) { 9980 return new ArrayList<PackageInfo>(); 9981 } 9982 9983 private int getUidTargetSdkVersionLockedLPr(int uid) { 9984 Object obj = mSettings.getUserIdLPr(uid); 9985 if (obj instanceof SharedUserSetting) { 9986 final SharedUserSetting sus = (SharedUserSetting) obj; 9987 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 9988 final Iterator<PackageSetting> it = sus.packages.iterator(); 9989 while (it.hasNext()) { 9990 final PackageSetting ps = it.next(); 9991 if (ps.pkg != null) { 9992 int v = ps.pkg.applicationInfo.targetSdkVersion; 9993 if (v < vers) vers = v; 9994 } 9995 } 9996 return vers; 9997 } else if (obj instanceof PackageSetting) { 9998 final PackageSetting ps = (PackageSetting) obj; 9999 if (ps.pkg != null) { 10000 return ps.pkg.applicationInfo.targetSdkVersion; 10001 } 10002 } 10003 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10004 } 10005 10006 public void addPreferredActivity(IntentFilter filter, int match, 10007 ComponentName[] set, ComponentName activity, int userId) { 10008 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10009 } 10010 10011 private void addPreferredActivityInternal(IntentFilter filter, int match, 10012 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10013 // writer 10014 int callingUid = Binder.getCallingUid(); 10015 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10016 if (filter.countActions() == 0) { 10017 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10018 return; 10019 } 10020 synchronized (mPackages) { 10021 if (mContext.checkCallingOrSelfPermission( 10022 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10023 != PackageManager.PERMISSION_GRANTED) { 10024 if (getUidTargetSdkVersionLockedLPr(callingUid) 10025 < Build.VERSION_CODES.FROYO) { 10026 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10027 + callingUid); 10028 return; 10029 } 10030 mContext.enforceCallingOrSelfPermission( 10031 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10032 } 10033 10034 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10035 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10036 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10037 new PreferredActivity(filter, match, set, activity, always)); 10038 mSettings.writePackageRestrictionsLPr(userId); 10039 } 10040 } 10041 10042 public void replacePreferredActivity(IntentFilter filter, int match, 10043 ComponentName[] set, ComponentName activity) { 10044 if (filter.countActions() != 1) { 10045 throw new IllegalArgumentException( 10046 "replacePreferredActivity expects filter to have only 1 action."); 10047 } 10048 if (filter.countDataAuthorities() != 0 10049 || filter.countDataPaths() != 0 10050 || filter.countDataSchemes() > 1 10051 || filter.countDataTypes() != 0) { 10052 throw new IllegalArgumentException( 10053 "replacePreferredActivity expects filter to have no data authorities, " + 10054 "paths, or types; and at most one scheme."); 10055 } 10056 synchronized (mPackages) { 10057 if (mContext.checkCallingOrSelfPermission( 10058 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10059 != PackageManager.PERMISSION_GRANTED) { 10060 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10061 < Build.VERSION_CODES.FROYO) { 10062 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10063 + Binder.getCallingUid()); 10064 return; 10065 } 10066 mContext.enforceCallingOrSelfPermission( 10067 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10068 } 10069 10070 final int callingUserId = UserHandle.getCallingUserId(); 10071 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10072 if (pir != null) { 10073 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10074 if (filter.countDataSchemes() == 1) { 10075 Uri.Builder builder = new Uri.Builder(); 10076 builder.scheme(filter.getDataScheme(0)); 10077 intent.setData(builder.build()); 10078 } 10079 List<PreferredActivity> matches = pir.queryIntent( 10080 intent, null, true, callingUserId); 10081 if (DEBUG_PREFERRED) { 10082 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10083 } 10084 for (int i = 0; i < matches.size(); i++) { 10085 PreferredActivity pa = matches.get(i); 10086 if (DEBUG_PREFERRED) { 10087 Slog.i(TAG, "Removing preferred activity " 10088 + pa.mPref.mComponent + ":"); 10089 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10090 } 10091 pir.removeFilter(pa); 10092 } 10093 } 10094 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10095 } 10096 } 10097 10098 public void clearPackagePreferredActivities(String packageName) { 10099 final int uid = Binder.getCallingUid(); 10100 // writer 10101 synchronized (mPackages) { 10102 PackageParser.Package pkg = mPackages.get(packageName); 10103 if (pkg == null || pkg.applicationInfo.uid != uid) { 10104 if (mContext.checkCallingOrSelfPermission( 10105 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10106 != PackageManager.PERMISSION_GRANTED) { 10107 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10108 < Build.VERSION_CODES.FROYO) { 10109 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10110 + Binder.getCallingUid()); 10111 return; 10112 } 10113 mContext.enforceCallingOrSelfPermission( 10114 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10115 } 10116 } 10117 10118 int user = UserHandle.getCallingUserId(); 10119 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10120 mSettings.writePackageRestrictionsLPr(user); 10121 scheduleWriteSettingsLocked(); 10122 } 10123 } 10124 } 10125 10126 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10127 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10128 ArrayList<PreferredActivity> removed = null; 10129 boolean changed = false; 10130 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10131 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10132 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10133 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10134 continue; 10135 } 10136 Iterator<PreferredActivity> it = pir.filterIterator(); 10137 while (it.hasNext()) { 10138 PreferredActivity pa = it.next(); 10139 // Mark entry for removal only if it matches the package name 10140 // and the entry is of type "always". 10141 if (packageName == null || 10142 (pa.mPref.mComponent.getPackageName().equals(packageName) 10143 && pa.mPref.mAlways)) { 10144 if (removed == null) { 10145 removed = new ArrayList<PreferredActivity>(); 10146 } 10147 removed.add(pa); 10148 } 10149 } 10150 if (removed != null) { 10151 for (int j=0; j<removed.size(); j++) { 10152 PreferredActivity pa = removed.get(j); 10153 pir.removeFilter(pa); 10154 } 10155 changed = true; 10156 } 10157 } 10158 return changed; 10159 } 10160 10161 public void resetPreferredActivities(int userId) { 10162 mContext.enforceCallingOrSelfPermission( 10163 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10164 // writer 10165 synchronized (mPackages) { 10166 int user = UserHandle.getCallingUserId(); 10167 clearPackagePreferredActivitiesLPw(null, user); 10168 mSettings.readDefaultPreferredAppsLPw(this, user); 10169 mSettings.writePackageRestrictionsLPr(user); 10170 scheduleWriteSettingsLocked(); 10171 } 10172 } 10173 10174 public int getPreferredActivities(List<IntentFilter> outFilters, 10175 List<ComponentName> outActivities, String packageName) { 10176 10177 int num = 0; 10178 final int userId = UserHandle.getCallingUserId(); 10179 // reader 10180 synchronized (mPackages) { 10181 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10182 if (pir != null) { 10183 final Iterator<PreferredActivity> it = pir.filterIterator(); 10184 while (it.hasNext()) { 10185 final PreferredActivity pa = it.next(); 10186 if (packageName == null 10187 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10188 && pa.mPref.mAlways)) { 10189 if (outFilters != null) { 10190 outFilters.add(new IntentFilter(pa)); 10191 } 10192 if (outActivities != null) { 10193 outActivities.add(pa.mPref.mComponent); 10194 } 10195 } 10196 } 10197 } 10198 } 10199 10200 return num; 10201 } 10202 10203 @Override 10204 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10205 Intent intent = new Intent(Intent.ACTION_MAIN); 10206 intent.addCategory(Intent.CATEGORY_HOME); 10207 10208 final int callingUserId = UserHandle.getCallingUserId(); 10209 List<ResolveInfo> list = queryIntentActivities(intent, null, 10210 PackageManager.GET_META_DATA, callingUserId); 10211 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10212 true, false, false, callingUserId); 10213 10214 allHomeCandidates.clear(); 10215 if (list != null) { 10216 for (ResolveInfo ri : list) { 10217 allHomeCandidates.add(ri); 10218 } 10219 } 10220 return (preferred == null || preferred.activityInfo == null) 10221 ? null 10222 : new ComponentName(preferred.activityInfo.packageName, 10223 preferred.activityInfo.name); 10224 } 10225 10226 @Override 10227 public void setApplicationEnabledSetting(String appPackageName, 10228 int newState, int flags, int userId, String callingPackage) { 10229 if (!sUserManager.exists(userId)) return; 10230 if (callingPackage == null) { 10231 callingPackage = Integer.toString(Binder.getCallingUid()); 10232 } 10233 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10234 } 10235 10236 @Override 10237 public void setComponentEnabledSetting(ComponentName componentName, 10238 int newState, int flags, int userId) { 10239 if (!sUserManager.exists(userId)) return; 10240 setEnabledSetting(componentName.getPackageName(), 10241 componentName.getClassName(), newState, flags, userId, null); 10242 } 10243 10244 private void setEnabledSetting(final String packageName, String className, int newState, 10245 final int flags, int userId, String callingPackage) { 10246 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10247 || newState == COMPONENT_ENABLED_STATE_ENABLED 10248 || newState == COMPONENT_ENABLED_STATE_DISABLED 10249 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10250 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10251 throw new IllegalArgumentException("Invalid new component state: " 10252 + newState); 10253 } 10254 PackageSetting pkgSetting; 10255 final int uid = Binder.getCallingUid(); 10256 final int permission = mContext.checkCallingOrSelfPermission( 10257 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10258 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10259 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10260 boolean sendNow = false; 10261 boolean isApp = (className == null); 10262 String componentName = isApp ? packageName : className; 10263 int packageUid = -1; 10264 ArrayList<String> components; 10265 10266 // writer 10267 synchronized (mPackages) { 10268 pkgSetting = mSettings.mPackages.get(packageName); 10269 if (pkgSetting == null) { 10270 if (className == null) { 10271 throw new IllegalArgumentException( 10272 "Unknown package: " + packageName); 10273 } 10274 throw new IllegalArgumentException( 10275 "Unknown component: " + packageName 10276 + "/" + className); 10277 } 10278 // Allow root and verify that userId is not being specified by a different user 10279 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10280 throw new SecurityException( 10281 "Permission Denial: attempt to change component state from pid=" 10282 + Binder.getCallingPid() 10283 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10284 } 10285 if (className == null) { 10286 // We're dealing with an application/package level state change 10287 if (pkgSetting.getEnabled(userId) == newState) { 10288 // Nothing to do 10289 return; 10290 } 10291 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10292 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10293 // Don't care about who enables an app. 10294 callingPackage = null; 10295 } 10296 pkgSetting.setEnabled(newState, userId, callingPackage); 10297 // pkgSetting.pkg.mSetEnabled = newState; 10298 } else { 10299 // We're dealing with a component level state change 10300 // First, verify that this is a valid class name. 10301 PackageParser.Package pkg = pkgSetting.pkg; 10302 if (pkg == null || !pkg.hasComponentClassName(className)) { 10303 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10304 throw new IllegalArgumentException("Component class " + className 10305 + " does not exist in " + packageName); 10306 } else { 10307 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10308 + className + " does not exist in " + packageName); 10309 } 10310 } 10311 switch (newState) { 10312 case COMPONENT_ENABLED_STATE_ENABLED: 10313 if (!pkgSetting.enableComponentLPw(className, userId)) { 10314 return; 10315 } 10316 break; 10317 case COMPONENT_ENABLED_STATE_DISABLED: 10318 if (!pkgSetting.disableComponentLPw(className, userId)) { 10319 return; 10320 } 10321 break; 10322 case COMPONENT_ENABLED_STATE_DEFAULT: 10323 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10324 return; 10325 } 10326 break; 10327 default: 10328 Slog.e(TAG, "Invalid new component state: " + newState); 10329 return; 10330 } 10331 } 10332 mSettings.writePackageRestrictionsLPr(userId); 10333 components = mPendingBroadcasts.get(userId, packageName); 10334 final boolean newPackage = components == null; 10335 if (newPackage) { 10336 components = new ArrayList<String>(); 10337 } 10338 if (!components.contains(componentName)) { 10339 components.add(componentName); 10340 } 10341 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10342 sendNow = true; 10343 // Purge entry from pending broadcast list if another one exists already 10344 // since we are sending one right away. 10345 mPendingBroadcasts.remove(userId, packageName); 10346 } else { 10347 if (newPackage) { 10348 mPendingBroadcasts.put(userId, packageName, components); 10349 } 10350 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10351 // Schedule a message 10352 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10353 } 10354 } 10355 } 10356 10357 long callingId = Binder.clearCallingIdentity(); 10358 try { 10359 if (sendNow) { 10360 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10361 sendPackageChangedBroadcast(packageName, 10362 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10363 } 10364 } finally { 10365 Binder.restoreCallingIdentity(callingId); 10366 } 10367 } 10368 10369 private void sendPackageChangedBroadcast(String packageName, 10370 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10371 if (DEBUG_INSTALL) 10372 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10373 + componentNames); 10374 Bundle extras = new Bundle(4); 10375 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10376 String nameList[] = new String[componentNames.size()]; 10377 componentNames.toArray(nameList); 10378 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10379 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10380 extras.putInt(Intent.EXTRA_UID, packageUid); 10381 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10382 new int[] {UserHandle.getUserId(packageUid)}); 10383 } 10384 10385 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10386 if (!sUserManager.exists(userId)) return; 10387 final int uid = Binder.getCallingUid(); 10388 final int permission = mContext.checkCallingOrSelfPermission( 10389 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10390 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10391 enforceCrossUserPermission(uid, userId, true, "stop package"); 10392 // writer 10393 synchronized (mPackages) { 10394 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10395 uid, userId)) { 10396 scheduleWritePackageRestrictionsLocked(userId); 10397 } 10398 } 10399 } 10400 10401 public String getInstallerPackageName(String packageName) { 10402 // reader 10403 synchronized (mPackages) { 10404 return mSettings.getInstallerPackageNameLPr(packageName); 10405 } 10406 } 10407 10408 @Override 10409 public int getApplicationEnabledSetting(String packageName, int userId) { 10410 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10411 int uid = Binder.getCallingUid(); 10412 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10413 // reader 10414 synchronized (mPackages) { 10415 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10416 } 10417 } 10418 10419 @Override 10420 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10421 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10422 int uid = Binder.getCallingUid(); 10423 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10424 // reader 10425 synchronized (mPackages) { 10426 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10427 } 10428 } 10429 10430 public void enterSafeMode() { 10431 enforceSystemOrRoot("Only the system can request entering safe mode"); 10432 10433 if (!mSystemReady) { 10434 mSafeMode = true; 10435 } 10436 } 10437 10438 public void systemReady() { 10439 mSystemReady = true; 10440 10441 // Read the compatibilty setting when the system is ready. 10442 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10443 mContext.getContentResolver(), 10444 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10445 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10446 if (DEBUG_SETTINGS) { 10447 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10448 } 10449 10450 synchronized (mPackages) { 10451 // Verify that all of the preferred activity components actually 10452 // exist. It is possible for applications to be updated and at 10453 // that point remove a previously declared activity component that 10454 // had been set as a preferred activity. We try to clean this up 10455 // the next time we encounter that preferred activity, but it is 10456 // possible for the user flow to never be able to return to that 10457 // situation so here we do a sanity check to make sure we haven't 10458 // left any junk around. 10459 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10460 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10461 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10462 removed.clear(); 10463 for (PreferredActivity pa : pir.filterSet()) { 10464 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10465 removed.add(pa); 10466 } 10467 } 10468 if (removed.size() > 0) { 10469 for (int j=0; j<removed.size(); j++) { 10470 PreferredActivity pa = removed.get(i); 10471 Slog.w(TAG, "Removing dangling preferred activity: " 10472 + pa.mPref.mComponent); 10473 pir.removeFilter(pa); 10474 } 10475 mSettings.writePackageRestrictionsLPr( 10476 mSettings.mPreferredActivities.keyAt(i)); 10477 } 10478 } 10479 } 10480 sUserManager.systemReady(); 10481 } 10482 10483 public boolean isSafeMode() { 10484 return mSafeMode; 10485 } 10486 10487 public boolean hasSystemUidErrors() { 10488 return mHasSystemUidErrors; 10489 } 10490 10491 static String arrayToString(int[] array) { 10492 StringBuffer buf = new StringBuffer(128); 10493 buf.append('['); 10494 if (array != null) { 10495 for (int i=0; i<array.length; i++) { 10496 if (i > 0) buf.append(", "); 10497 buf.append(array[i]); 10498 } 10499 } 10500 buf.append(']'); 10501 return buf.toString(); 10502 } 10503 10504 static class DumpState { 10505 public static final int DUMP_LIBS = 1 << 0; 10506 10507 public static final int DUMP_FEATURES = 1 << 1; 10508 10509 public static final int DUMP_RESOLVERS = 1 << 2; 10510 10511 public static final int DUMP_PERMISSIONS = 1 << 3; 10512 10513 public static final int DUMP_PACKAGES = 1 << 4; 10514 10515 public static final int DUMP_SHARED_USERS = 1 << 5; 10516 10517 public static final int DUMP_MESSAGES = 1 << 6; 10518 10519 public static final int DUMP_PROVIDERS = 1 << 7; 10520 10521 public static final int DUMP_VERIFIERS = 1 << 8; 10522 10523 public static final int DUMP_PREFERRED = 1 << 9; 10524 10525 public static final int DUMP_PREFERRED_XML = 1 << 10; 10526 10527 public static final int DUMP_KEYSETS = 1 << 11; 10528 10529 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10530 10531 private int mTypes; 10532 10533 private int mOptions; 10534 10535 private boolean mTitlePrinted; 10536 10537 private SharedUserSetting mSharedUser; 10538 10539 public boolean isDumping(int type) { 10540 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10541 return true; 10542 } 10543 10544 return (mTypes & type) != 0; 10545 } 10546 10547 public void setDump(int type) { 10548 mTypes |= type; 10549 } 10550 10551 public boolean isOptionEnabled(int option) { 10552 return (mOptions & option) != 0; 10553 } 10554 10555 public void setOptionEnabled(int option) { 10556 mOptions |= option; 10557 } 10558 10559 public boolean onTitlePrinted() { 10560 final boolean printed = mTitlePrinted; 10561 mTitlePrinted = true; 10562 return printed; 10563 } 10564 10565 public boolean getTitlePrinted() { 10566 return mTitlePrinted; 10567 } 10568 10569 public void setTitlePrinted(boolean enabled) { 10570 mTitlePrinted = enabled; 10571 } 10572 10573 public SharedUserSetting getSharedUser() { 10574 return mSharedUser; 10575 } 10576 10577 public void setSharedUser(SharedUserSetting user) { 10578 mSharedUser = user; 10579 } 10580 } 10581 10582 @Override 10583 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10584 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10585 != PackageManager.PERMISSION_GRANTED) { 10586 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10587 + Binder.getCallingPid() 10588 + ", uid=" + Binder.getCallingUid() 10589 + " without permission " 10590 + android.Manifest.permission.DUMP); 10591 return; 10592 } 10593 10594 DumpState dumpState = new DumpState(); 10595 boolean fullPreferred = false; 10596 boolean checkin = false; 10597 10598 String packageName = null; 10599 10600 int opti = 0; 10601 while (opti < args.length) { 10602 String opt = args[opti]; 10603 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10604 break; 10605 } 10606 opti++; 10607 if ("-a".equals(opt)) { 10608 // Right now we only know how to print all. 10609 } else if ("-h".equals(opt)) { 10610 pw.println("Package manager dump options:"); 10611 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 10612 pw.println(" --checkin: dump for a checkin"); 10613 pw.println(" -f: print details of intent filters"); 10614 pw.println(" -h: print this help"); 10615 pw.println(" cmd may be one of:"); 10616 pw.println(" l[ibraries]: list known shared libraries"); 10617 pw.println(" f[ibraries]: list device features"); 10618 pw.println(" r[esolvers]: dump intent resolvers"); 10619 pw.println(" perm[issions]: dump permissions"); 10620 pw.println(" pref[erred]: print preferred package settings"); 10621 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10622 pw.println(" prov[iders]: dump content providers"); 10623 pw.println(" p[ackages]: dump installed packages"); 10624 pw.println(" s[hared-users]: dump shared user IDs"); 10625 pw.println(" m[essages]: print collected runtime messages"); 10626 pw.println(" v[erifiers]: print package verifier info"); 10627 pw.println(" <package.name>: info about given package"); 10628 pw.println(" k[eysets]: print known keysets"); 10629 return; 10630 } else if ("--checkin".equals(opt)) { 10631 checkin = true; 10632 } else if ("-f".equals(opt)) { 10633 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10634 } else { 10635 pw.println("Unknown argument: " + opt + "; use -h for help"); 10636 } 10637 } 10638 10639 // Is the caller requesting to dump a particular piece of data? 10640 if (opti < args.length) { 10641 String cmd = args[opti]; 10642 opti++; 10643 // Is this a package name? 10644 if ("android".equals(cmd) || cmd.contains(".")) { 10645 packageName = cmd; 10646 // When dumping a single package, we always dump all of its 10647 // filter information since the amount of data will be reasonable. 10648 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10649 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10650 dumpState.setDump(DumpState.DUMP_LIBS); 10651 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10652 dumpState.setDump(DumpState.DUMP_FEATURES); 10653 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10654 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10655 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10656 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10657 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10658 dumpState.setDump(DumpState.DUMP_PREFERRED); 10659 } else if ("preferred-xml".equals(cmd)) { 10660 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10661 if (opti < args.length && "--full".equals(args[opti])) { 10662 fullPreferred = true; 10663 opti++; 10664 } 10665 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10666 dumpState.setDump(DumpState.DUMP_PACKAGES); 10667 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10668 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10669 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10670 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10671 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10672 dumpState.setDump(DumpState.DUMP_MESSAGES); 10673 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10674 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10675 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10676 dumpState.setDump(DumpState.DUMP_KEYSETS); 10677 } 10678 } 10679 10680 if (checkin) { 10681 pw.println("vers,1"); 10682 } 10683 10684 // reader 10685 synchronized (mPackages) { 10686 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10687 if (!checkin) { 10688 if (dumpState.onTitlePrinted()) 10689 pw.println(); 10690 pw.println("Verifiers:"); 10691 pw.print(" Required: "); 10692 pw.print(mRequiredVerifierPackage); 10693 pw.print(" (uid="); 10694 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10695 pw.println(")"); 10696 } else if (mRequiredVerifierPackage != null) { 10697 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 10698 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 10699 } 10700 } 10701 10702 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 10703 boolean printedHeader = false; 10704 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 10705 while (it.hasNext()) { 10706 String name = it.next(); 10707 SharedLibraryEntry ent = mSharedLibraries.get(name); 10708 if (!checkin) { 10709 if (!printedHeader) { 10710 if (dumpState.onTitlePrinted()) 10711 pw.println(); 10712 pw.println("Libraries:"); 10713 printedHeader = true; 10714 } 10715 pw.print(" "); 10716 } else { 10717 pw.print("lib,"); 10718 } 10719 pw.print(name); 10720 if (!checkin) { 10721 pw.print(" -> "); 10722 } 10723 if (ent.path != null) { 10724 if (!checkin) { 10725 pw.print("(jar) "); 10726 pw.print(ent.path); 10727 } else { 10728 pw.print(",jar,"); 10729 pw.print(ent.path); 10730 } 10731 } else { 10732 if (!checkin) { 10733 pw.print("(apk) "); 10734 pw.print(ent.apk); 10735 } else { 10736 pw.print(",apk,"); 10737 pw.print(ent.apk); 10738 } 10739 } 10740 pw.println(); 10741 } 10742 } 10743 10744 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 10745 if (dumpState.onTitlePrinted()) 10746 pw.println(); 10747 if (!checkin) { 10748 pw.println("Features:"); 10749 } 10750 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 10751 while (it.hasNext()) { 10752 String name = it.next(); 10753 if (!checkin) { 10754 pw.print(" "); 10755 } else { 10756 pw.print("feat,"); 10757 } 10758 pw.println(name); 10759 } 10760 } 10761 10762 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 10763 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 10764 : "Activity Resolver Table:", " ", packageName, 10765 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10766 dumpState.setTitlePrinted(true); 10767 } 10768 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 10769 : "Receiver Resolver Table:", " ", packageName, 10770 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10771 dumpState.setTitlePrinted(true); 10772 } 10773 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 10774 : "Service Resolver Table:", " ", packageName, 10775 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10776 dumpState.setTitlePrinted(true); 10777 } 10778 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 10779 : "Provider Resolver Table:", " ", packageName, 10780 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10781 dumpState.setTitlePrinted(true); 10782 } 10783 } 10784 10785 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 10786 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10787 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10788 int user = mSettings.mPreferredActivities.keyAt(i); 10789 if (pir.dump(pw, 10790 dumpState.getTitlePrinted() 10791 ? "\nPreferred Activities User " + user + ":" 10792 : "Preferred Activities User " + user + ":", " ", 10793 packageName, true)) { 10794 dumpState.setTitlePrinted(true); 10795 } 10796 } 10797 } 10798 10799 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 10800 pw.flush(); 10801 FileOutputStream fout = new FileOutputStream(fd); 10802 BufferedOutputStream str = new BufferedOutputStream(fout); 10803 XmlSerializer serializer = new FastXmlSerializer(); 10804 try { 10805 serializer.setOutput(str, "utf-8"); 10806 serializer.startDocument(null, true); 10807 serializer.setFeature( 10808 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 10809 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 10810 serializer.endDocument(); 10811 serializer.flush(); 10812 } catch (IllegalArgumentException e) { 10813 pw.println("Failed writing: " + e); 10814 } catch (IllegalStateException e) { 10815 pw.println("Failed writing: " + e); 10816 } catch (IOException e) { 10817 pw.println("Failed writing: " + e); 10818 } 10819 } 10820 10821 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 10822 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 10823 } 10824 10825 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 10826 boolean printedSomething = false; 10827 for (PackageParser.Provider p : mProviders.mProviders.values()) { 10828 if (packageName != null && !packageName.equals(p.info.packageName)) { 10829 continue; 10830 } 10831 if (!printedSomething) { 10832 if (dumpState.onTitlePrinted()) 10833 pw.println(); 10834 pw.println("Registered ContentProviders:"); 10835 printedSomething = true; 10836 } 10837 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 10838 pw.print(" "); pw.println(p.toString()); 10839 } 10840 printedSomething = false; 10841 for (Map.Entry<String, PackageParser.Provider> entry : 10842 mProvidersByAuthority.entrySet()) { 10843 PackageParser.Provider p = entry.getValue(); 10844 if (packageName != null && !packageName.equals(p.info.packageName)) { 10845 continue; 10846 } 10847 if (!printedSomething) { 10848 if (dumpState.onTitlePrinted()) 10849 pw.println(); 10850 pw.println("ContentProvider Authorities:"); 10851 printedSomething = true; 10852 } 10853 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 10854 pw.print(" "); pw.println(p.toString()); 10855 if (p.info != null && p.info.applicationInfo != null) { 10856 final String appInfo = p.info.applicationInfo.toString(); 10857 pw.print(" applicationInfo="); pw.println(appInfo); 10858 } 10859 } 10860 } 10861 10862 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 10863 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 10864 } 10865 10866 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 10867 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 10868 } 10869 10870 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 10871 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 10872 } 10873 10874 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 10875 if (dumpState.onTitlePrinted()) 10876 pw.println(); 10877 mSettings.dumpReadMessagesLPr(pw, dumpState); 10878 10879 pw.println(); 10880 pw.println("Package warning messages:"); 10881 final File fname = getSettingsProblemFile(); 10882 FileInputStream in = null; 10883 try { 10884 in = new FileInputStream(fname); 10885 final int avail = in.available(); 10886 final byte[] data = new byte[avail]; 10887 in.read(data); 10888 pw.print(new String(data)); 10889 } catch (FileNotFoundException e) { 10890 } catch (IOException e) { 10891 } finally { 10892 if (in != null) { 10893 try { 10894 in.close(); 10895 } catch (IOException e) { 10896 } 10897 } 10898 } 10899 } 10900 } 10901 } 10902 10903 // ------- apps on sdcard specific code ------- 10904 static final boolean DEBUG_SD_INSTALL = false; 10905 10906 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 10907 10908 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 10909 10910 private boolean mMediaMounted = false; 10911 10912 private String getEncryptKey() { 10913 try { 10914 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 10915 SD_ENCRYPTION_KEYSTORE_NAME); 10916 if (sdEncKey == null) { 10917 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 10918 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 10919 if (sdEncKey == null) { 10920 Slog.e(TAG, "Failed to create encryption keys"); 10921 return null; 10922 } 10923 } 10924 return sdEncKey; 10925 } catch (NoSuchAlgorithmException nsae) { 10926 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 10927 return null; 10928 } catch (IOException ioe) { 10929 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 10930 return null; 10931 } 10932 10933 } 10934 10935 /* package */static String getTempContainerId() { 10936 int tmpIdx = 1; 10937 String list[] = PackageHelper.getSecureContainerList(); 10938 if (list != null) { 10939 for (final String name : list) { 10940 // Ignore null and non-temporary container entries 10941 if (name == null || !name.startsWith(mTempContainerPrefix)) { 10942 continue; 10943 } 10944 10945 String subStr = name.substring(mTempContainerPrefix.length()); 10946 try { 10947 int cid = Integer.parseInt(subStr); 10948 if (cid >= tmpIdx) { 10949 tmpIdx = cid + 1; 10950 } 10951 } catch (NumberFormatException e) { 10952 } 10953 } 10954 } 10955 return mTempContainerPrefix + tmpIdx; 10956 } 10957 10958 /* 10959 * Update media status on PackageManager. 10960 */ 10961 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 10962 int callingUid = Binder.getCallingUid(); 10963 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 10964 throw new SecurityException("Media status can only be updated by the system"); 10965 } 10966 // reader; this apparently protects mMediaMounted, but should probably 10967 // be a different lock in that case. 10968 synchronized (mPackages) { 10969 Log.i(TAG, "Updating external media status from " 10970 + (mMediaMounted ? "mounted" : "unmounted") + " to " 10971 + (mediaStatus ? "mounted" : "unmounted")); 10972 if (DEBUG_SD_INSTALL) 10973 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 10974 + ", mMediaMounted=" + mMediaMounted); 10975 if (mediaStatus == mMediaMounted) { 10976 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 10977 : 0, -1); 10978 mHandler.sendMessage(msg); 10979 return; 10980 } 10981 mMediaMounted = mediaStatus; 10982 } 10983 // Queue up an async operation since the package installation may take a 10984 // little while. 10985 mHandler.post(new Runnable() { 10986 public void run() { 10987 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 10988 } 10989 }); 10990 } 10991 10992 /** 10993 * Called by MountService when the initial ASECs to scan are available. 10994 * Should block until all the ASEC containers are finished being scanned. 10995 */ 10996 public void scanAvailableAsecs() { 10997 updateExternalMediaStatusInner(true, false, false); 10998 } 10999 11000 /* 11001 * Collect information of applications on external media, map them against 11002 * existing containers and update information based on current mount status. 11003 * Please note that we always have to report status if reportStatus has been 11004 * set to true especially when unloading packages. 11005 */ 11006 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11007 boolean externalStorage) { 11008 // Collection of uids 11009 int uidArr[] = null; 11010 // Collection of stale containers 11011 HashSet<String> removeCids = new HashSet<String>(); 11012 // Collection of packages on external media with valid containers. 11013 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11014 // Get list of secure containers. 11015 final String list[] = PackageHelper.getSecureContainerList(); 11016 if (list == null || list.length == 0) { 11017 Log.i(TAG, "No secure containers on sdcard"); 11018 } else { 11019 // Process list of secure containers and categorize them 11020 // as active or stale based on their package internal state. 11021 int uidList[] = new int[list.length]; 11022 int num = 0; 11023 // reader 11024 synchronized (mPackages) { 11025 for (String cid : list) { 11026 if (DEBUG_SD_INSTALL) 11027 Log.i(TAG, "Processing container " + cid); 11028 String pkgName = getAsecPackageName(cid); 11029 if (pkgName == null) { 11030 if (DEBUG_SD_INSTALL) 11031 Log.i(TAG, "Container : " + cid + " stale"); 11032 removeCids.add(cid); 11033 continue; 11034 } 11035 if (DEBUG_SD_INSTALL) 11036 Log.i(TAG, "Looking for pkg : " + pkgName); 11037 11038 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11039 if (ps == null) { 11040 Log.i(TAG, "Deleting container with no matching settings " + cid); 11041 removeCids.add(cid); 11042 continue; 11043 } 11044 11045 /* 11046 * Skip packages that are not external if we're unmounting 11047 * external storage. 11048 */ 11049 if (externalStorage && !isMounted && !isExternal(ps)) { 11050 continue; 11051 } 11052 11053 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11054 // The package status is changed only if the code path 11055 // matches between settings and the container id. 11056 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11057 if (DEBUG_SD_INSTALL) { 11058 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11059 + " at code path: " + ps.codePathString); 11060 } 11061 11062 // We do have a valid package installed on sdcard 11063 processCids.put(args, ps.codePathString); 11064 final int uid = ps.appId; 11065 if (uid != -1) { 11066 uidList[num++] = uid; 11067 } 11068 } else { 11069 Log.i(TAG, "Deleting stale container for " + cid); 11070 removeCids.add(cid); 11071 } 11072 } 11073 } 11074 11075 if (num > 0) { 11076 // Sort uid list 11077 Arrays.sort(uidList, 0, num); 11078 // Throw away duplicates 11079 uidArr = new int[num]; 11080 uidArr[0] = uidList[0]; 11081 int di = 0; 11082 for (int i = 1; i < num; i++) { 11083 if (uidList[i - 1] != uidList[i]) { 11084 uidArr[di++] = uidList[i]; 11085 } 11086 } 11087 } 11088 } 11089 // Process packages with valid entries. 11090 if (isMounted) { 11091 if (DEBUG_SD_INSTALL) 11092 Log.i(TAG, "Loading packages"); 11093 loadMediaPackages(processCids, uidArr, removeCids); 11094 startCleaningPackages(); 11095 } else { 11096 if (DEBUG_SD_INSTALL) 11097 Log.i(TAG, "Unloading packages"); 11098 unloadMediaPackages(processCids, uidArr, reportStatus); 11099 } 11100 } 11101 11102 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11103 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11104 int size = pkgList.size(); 11105 if (size > 0) { 11106 // Send broadcasts here 11107 Bundle extras = new Bundle(); 11108 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11109 .toArray(new String[size])); 11110 if (uidArr != null) { 11111 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11112 } 11113 if (replacing && !mediaStatus) { 11114 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11115 } 11116 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11117 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11118 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11119 } 11120 } 11121 11122 /* 11123 * Look at potentially valid container ids from processCids If package 11124 * information doesn't match the one on record or package scanning fails, 11125 * the cid is added to list of removeCids. We currently don't delete stale 11126 * containers. 11127 */ 11128 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11129 HashSet<String> removeCids) { 11130 ArrayList<String> pkgList = new ArrayList<String>(); 11131 Set<AsecInstallArgs> keys = processCids.keySet(); 11132 boolean doGc = false; 11133 for (AsecInstallArgs args : keys) { 11134 String codePath = processCids.get(args); 11135 if (DEBUG_SD_INSTALL) 11136 Log.i(TAG, "Loading container : " + args.cid); 11137 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11138 try { 11139 // Make sure there are no container errors first. 11140 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11141 Slog.e(TAG, "Failed to mount cid : " + args.cid 11142 + " when installing from sdcard"); 11143 continue; 11144 } 11145 // Check code path here. 11146 if (codePath == null || !codePath.equals(args.getCodePath())) { 11147 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11148 + " does not match one in settings " + codePath); 11149 continue; 11150 } 11151 // Parse package 11152 int parseFlags = mDefParseFlags; 11153 if (args.isExternal()) { 11154 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11155 } 11156 if (args.isFwdLocked()) { 11157 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11158 } 11159 11160 doGc = true; 11161 synchronized (mInstallLock) { 11162 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11163 0, 0, null); 11164 // Scan the package 11165 if (pkg != null) { 11166 /* 11167 * TODO why is the lock being held? doPostInstall is 11168 * called in other places without the lock. This needs 11169 * to be straightened out. 11170 */ 11171 // writer 11172 synchronized (mPackages) { 11173 retCode = PackageManager.INSTALL_SUCCEEDED; 11174 pkgList.add(pkg.packageName); 11175 // Post process args 11176 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11177 pkg.applicationInfo.uid); 11178 } 11179 } else { 11180 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11181 } 11182 } 11183 11184 } finally { 11185 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11186 // Don't destroy container here. Wait till gc clears things 11187 // up. 11188 removeCids.add(args.cid); 11189 } 11190 } 11191 } 11192 // writer 11193 synchronized (mPackages) { 11194 // If the platform SDK has changed since the last time we booted, 11195 // we need to re-grant app permission to catch any new ones that 11196 // appear. This is really a hack, and means that apps can in some 11197 // cases get permissions that the user didn't initially explicitly 11198 // allow... it would be nice to have some better way to handle 11199 // this situation. 11200 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11201 if (regrantPermissions) 11202 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11203 + mSdkVersion + "; regranting permissions for external storage"); 11204 mSettings.mExternalSdkPlatform = mSdkVersion; 11205 11206 // Make sure group IDs have been assigned, and any permission 11207 // changes in other apps are accounted for 11208 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11209 | (regrantPermissions 11210 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11211 : 0)); 11212 // can downgrade to reader 11213 // Persist settings 11214 mSettings.writeLPr(); 11215 } 11216 // Send a broadcast to let everyone know we are done processing 11217 if (pkgList.size() > 0) { 11218 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11219 } 11220 // Force gc to avoid any stale parser references that we might have. 11221 if (doGc) { 11222 Runtime.getRuntime().gc(); 11223 } 11224 // List stale containers and destroy stale temporary containers. 11225 if (removeCids != null) { 11226 for (String cid : removeCids) { 11227 if (cid.startsWith(mTempContainerPrefix)) { 11228 Log.i(TAG, "Destroying stale temporary container " + cid); 11229 PackageHelper.destroySdDir(cid); 11230 } else { 11231 Log.w(TAG, "Container " + cid + " is stale"); 11232 } 11233 } 11234 } 11235 } 11236 11237 /* 11238 * Utility method to unload a list of specified containers 11239 */ 11240 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11241 // Just unmount all valid containers. 11242 for (AsecInstallArgs arg : cidArgs) { 11243 synchronized (mInstallLock) { 11244 arg.doPostDeleteLI(false); 11245 } 11246 } 11247 } 11248 11249 /* 11250 * Unload packages mounted on external media. This involves deleting package 11251 * data from internal structures, sending broadcasts about diabled packages, 11252 * gc'ing to free up references, unmounting all secure containers 11253 * corresponding to packages on external media, and posting a 11254 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11255 * that we always have to post this message if status has been requested no 11256 * matter what. 11257 */ 11258 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11259 final boolean reportStatus) { 11260 if (DEBUG_SD_INSTALL) 11261 Log.i(TAG, "unloading media packages"); 11262 ArrayList<String> pkgList = new ArrayList<String>(); 11263 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11264 final Set<AsecInstallArgs> keys = processCids.keySet(); 11265 for (AsecInstallArgs args : keys) { 11266 String pkgName = args.getPackageName(); 11267 if (DEBUG_SD_INSTALL) 11268 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11269 // Delete package internally 11270 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11271 synchronized (mInstallLock) { 11272 boolean res = deletePackageLI(pkgName, null, false, null, null, 11273 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11274 if (res) { 11275 pkgList.add(pkgName); 11276 } else { 11277 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11278 failedList.add(args); 11279 } 11280 } 11281 } 11282 11283 // reader 11284 synchronized (mPackages) { 11285 // We didn't update the settings after removing each package; 11286 // write them now for all packages. 11287 mSettings.writeLPr(); 11288 } 11289 11290 // We have to absolutely send UPDATED_MEDIA_STATUS only 11291 // after confirming that all the receivers processed the ordered 11292 // broadcast when packages get disabled, force a gc to clean things up. 11293 // and unload all the containers. 11294 if (pkgList.size() > 0) { 11295 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11296 new IIntentReceiver.Stub() { 11297 public void performReceive(Intent intent, int resultCode, String data, 11298 Bundle extras, boolean ordered, boolean sticky, 11299 int sendingUser) throws RemoteException { 11300 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11301 reportStatus ? 1 : 0, 1, keys); 11302 mHandler.sendMessage(msg); 11303 } 11304 }); 11305 } else { 11306 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11307 keys); 11308 mHandler.sendMessage(msg); 11309 } 11310 } 11311 11312 /** Binder call */ 11313 @Override 11314 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11315 final int flags) { 11316 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11317 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11318 int returnCode = PackageManager.MOVE_SUCCEEDED; 11319 int currFlags = 0; 11320 int newFlags = 0; 11321 // reader 11322 synchronized (mPackages) { 11323 PackageParser.Package pkg = mPackages.get(packageName); 11324 if (pkg == null) { 11325 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11326 } else { 11327 // Disable moving fwd locked apps and system packages 11328 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11329 Slog.w(TAG, "Cannot move system application"); 11330 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11331 } else if (pkg.mOperationPending) { 11332 Slog.w(TAG, "Attempt to move package which has pending operations"); 11333 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11334 } else { 11335 // Find install location first 11336 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11337 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11338 Slog.w(TAG, "Ambigous flags specified for move location."); 11339 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11340 } else { 11341 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11342 : PackageManager.INSTALL_INTERNAL; 11343 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11344 : PackageManager.INSTALL_INTERNAL; 11345 11346 if (newFlags == currFlags) { 11347 Slog.w(TAG, "No move required. Trying to move to same location"); 11348 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11349 } else { 11350 if (isForwardLocked(pkg)) { 11351 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11352 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11353 } 11354 } 11355 } 11356 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11357 pkg.mOperationPending = true; 11358 } 11359 } 11360 } 11361 11362 /* 11363 * TODO this next block probably shouldn't be inside the lock. We 11364 * can't guarantee these won't change after this is fired off 11365 * anyway. 11366 */ 11367 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11368 processPendingMove(new MoveParams(null, observer, 0, packageName, 11369 null, -1, user), 11370 returnCode); 11371 } else { 11372 Message msg = mHandler.obtainMessage(INIT_COPY); 11373 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11374 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11375 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11376 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11377 msg.obj = mp; 11378 mHandler.sendMessage(msg); 11379 } 11380 } 11381 } 11382 11383 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11384 // Queue up an async operation since the package deletion may take a 11385 // little while. 11386 mHandler.post(new Runnable() { 11387 public void run() { 11388 // TODO fix this; this does nothing. 11389 mHandler.removeCallbacks(this); 11390 int returnCode = currentStatus; 11391 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11392 int uidArr[] = null; 11393 ArrayList<String> pkgList = null; 11394 synchronized (mPackages) { 11395 PackageParser.Package pkg = mPackages.get(mp.packageName); 11396 if (pkg == null) { 11397 Slog.w(TAG, " Package " + mp.packageName 11398 + " doesn't exist. Aborting move"); 11399 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11400 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11401 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11402 + mp.srcArgs.getCodePath() + " to " 11403 + pkg.applicationInfo.sourceDir 11404 + " Aborting move and returning error"); 11405 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11406 } else { 11407 uidArr = new int[] { 11408 pkg.applicationInfo.uid 11409 }; 11410 pkgList = new ArrayList<String>(); 11411 pkgList.add(mp.packageName); 11412 } 11413 } 11414 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11415 // Send resources unavailable broadcast 11416 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11417 // Update package code and resource paths 11418 synchronized (mInstallLock) { 11419 synchronized (mPackages) { 11420 PackageParser.Package pkg = mPackages.get(mp.packageName); 11421 // Recheck for package again. 11422 if (pkg == null) { 11423 Slog.w(TAG, " Package " + mp.packageName 11424 + " doesn't exist. Aborting move"); 11425 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11426 } else if (!mp.srcArgs.getCodePath().equals( 11427 pkg.applicationInfo.sourceDir)) { 11428 Slog.w(TAG, "Package " + mp.packageName 11429 + " code path changed from " + mp.srcArgs.getCodePath() 11430 + " to " + pkg.applicationInfo.sourceDir 11431 + " Aborting move and returning error"); 11432 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11433 } else { 11434 final String oldCodePath = pkg.mPath; 11435 final String newCodePath = mp.targetArgs.getCodePath(); 11436 final String newResPath = mp.targetArgs.getResourcePath(); 11437 final String newNativePath = mp.targetArgs 11438 .getNativeLibraryPath(); 11439 11440 final File newNativeDir = new File(newNativePath); 11441 11442 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11443 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11444 new File(newCodePath), newNativeDir); 11445 } 11446 final int[] users = sUserManager.getUserIds(); 11447 for (int user : users) { 11448 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11449 newNativePath, user) < 0) { 11450 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11451 } 11452 } 11453 11454 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11455 pkg.mPath = newCodePath; 11456 // Move dex files around 11457 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11458 // Moving of dex files failed. Set 11459 // error code and abort move. 11460 pkg.mPath = pkg.mScanPath; 11461 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11462 } 11463 } 11464 11465 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11466 pkg.mScanPath = newCodePath; 11467 pkg.applicationInfo.sourceDir = newCodePath; 11468 pkg.applicationInfo.publicSourceDir = newResPath; 11469 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11470 PackageSetting ps = (PackageSetting) pkg.mExtras; 11471 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11472 ps.codePathString = ps.codePath.getPath(); 11473 ps.resourcePath = new File( 11474 pkg.applicationInfo.publicSourceDir); 11475 ps.resourcePathString = ps.resourcePath.getPath(); 11476 ps.nativeLibraryPathString = newNativePath; 11477 // Set the application info flag 11478 // correctly. 11479 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11480 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11481 } else { 11482 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11483 } 11484 ps.setFlags(pkg.applicationInfo.flags); 11485 mAppDirs.remove(oldCodePath); 11486 mAppDirs.put(newCodePath, pkg); 11487 // Persist settings 11488 mSettings.writeLPr(); 11489 } 11490 } 11491 } 11492 } 11493 // Send resources available broadcast 11494 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11495 } 11496 } 11497 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11498 // Clean up failed installation 11499 if (mp.targetArgs != null) { 11500 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11501 -1); 11502 } 11503 } else { 11504 // Force a gc to clear things up. 11505 Runtime.getRuntime().gc(); 11506 // Delete older code 11507 synchronized (mInstallLock) { 11508 mp.srcArgs.doPostDeleteLI(true); 11509 } 11510 } 11511 11512 // Allow more operations on this file if we didn't fail because 11513 // an operation was already pending for this package. 11514 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11515 synchronized (mPackages) { 11516 PackageParser.Package pkg = mPackages.get(mp.packageName); 11517 if (pkg != null) { 11518 pkg.mOperationPending = false; 11519 } 11520 } 11521 } 11522 11523 IPackageMoveObserver observer = mp.observer; 11524 if (observer != null) { 11525 try { 11526 observer.packageMoved(mp.packageName, returnCode); 11527 } catch (RemoteException e) { 11528 Log.i(TAG, "Observer no longer exists."); 11529 } 11530 } 11531 } 11532 }); 11533 } 11534 11535 public boolean setInstallLocation(int loc) { 11536 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11537 null); 11538 if (getInstallLocation() == loc) { 11539 return true; 11540 } 11541 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11542 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11543 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11544 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11545 return true; 11546 } 11547 return false; 11548 } 11549 11550 public int getInstallLocation() { 11551 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11552 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11553 PackageHelper.APP_INSTALL_AUTO); 11554 } 11555 11556 /** Called by UserManagerService */ 11557 void cleanUpUserLILPw(int userHandle) { 11558 mDirtyUsers.remove(userHandle); 11559 mSettings.removeUserLPr(userHandle); 11560 mPendingBroadcasts.remove(userHandle); 11561 if (mInstaller != null) { 11562 // Technically, we shouldn't be doing this with the package lock 11563 // held. However, this is very rare, and there is already so much 11564 // other disk I/O going on, that we'll let it slide for now. 11565 mInstaller.removeUserDataDirs(userHandle); 11566 } 11567 } 11568 11569 /** Called by UserManagerService */ 11570 void createNewUserLILPw(int userHandle, File path) { 11571 if (mInstaller != null) { 11572 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11573 } 11574 } 11575 11576 @Override 11577 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11578 mContext.enforceCallingOrSelfPermission( 11579 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11580 "Only package verification agents can read the verifier device identity"); 11581 11582 synchronized (mPackages) { 11583 return mSettings.getVerifierDeviceIdentityLPw(); 11584 } 11585 } 11586 11587 @Override 11588 public void setPermissionEnforced(String permission, boolean enforced) { 11589 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11590 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11591 synchronized (mPackages) { 11592 if (mSettings.mReadExternalStorageEnforced == null 11593 || mSettings.mReadExternalStorageEnforced != enforced) { 11594 mSettings.mReadExternalStorageEnforced = enforced; 11595 mSettings.writeLPr(); 11596 } 11597 } 11598 // kill any non-foreground processes so we restart them and 11599 // grant/revoke the GID. 11600 final IActivityManager am = ActivityManagerNative.getDefault(); 11601 if (am != null) { 11602 final long token = Binder.clearCallingIdentity(); 11603 try { 11604 am.killProcessesBelowForeground("setPermissionEnforcement"); 11605 } catch (RemoteException e) { 11606 } finally { 11607 Binder.restoreCallingIdentity(token); 11608 } 11609 } 11610 } else { 11611 throw new IllegalArgumentException("No selective enforcement for " + permission); 11612 } 11613 } 11614 11615 @Override 11616 @Deprecated 11617 public boolean isPermissionEnforced(String permission) { 11618 return true; 11619 } 11620 11621 @Override 11622 public boolean isStorageLow() { 11623 final long token = Binder.clearCallingIdentity(); 11624 try { 11625 final DeviceStorageMonitorInternal 11626 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11627 if (dsm != null) { 11628 return dsm.isMemoryLow(); 11629 } else { 11630 return false; 11631 } 11632 } finally { 11633 Binder.restoreCallingIdentity(token); 11634 } 11635 } 11636} 11637