PackageManagerService.java revision 46c95dfc1009607184ea023921e1f262f38cd61e
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; 222 223 static final int REMOVE_CHATTY = 1<<16; 224 225 /** 226 * Timeout (in milliseconds) after which the watchdog should declare that 227 * our handler thread is wedged. The usual default for such things is one 228 * minute but we sometimes do very lengthy I/O operations on this thread, 229 * such as installing multi-gigabyte applications, so ours needs to be longer. 230 */ 231 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 232 233 /** 234 * Whether verification is enabled by default. 235 */ 236 private static final boolean DEFAULT_VERIFY_ENABLE = true; 237 238 /** 239 * The default maximum time to wait for the verification agent to return in 240 * milliseconds. 241 */ 242 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 243 244 /** 245 * The default response for package verification timeout. 246 * 247 * This can be either PackageManager.VERIFICATION_ALLOW or 248 * PackageManager.VERIFICATION_REJECT. 249 */ 250 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 251 252 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 253 254 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 255 DEFAULT_CONTAINER_PACKAGE, 256 "com.android.defcontainer.DefaultContainerService"); 257 258 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 259 260 private static final String LIB_DIR_NAME = "lib"; 261 262 static final String mTempContainerPrefix = "smdl2tmp"; 263 264 final ServiceThread mHandlerThread; 265 final PackageHandler mHandler; 266 267 final int mSdkVersion = Build.VERSION.SDK_INT; 268 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 269 ? null : Build.VERSION.CODENAME; 270 271 final Context mContext; 272 final boolean mFactoryTest; 273 final boolean mOnlyCore; 274 final boolean mNoDexOpt; 275 final DisplayMetrics mMetrics; 276 final int mDefParseFlags; 277 final String[] mSeparateProcesses; 278 279 // This is where all application persistent data goes. 280 final File mAppDataDir; 281 282 // This is where all application persistent data goes for secondary users. 283 final File mUserAppDataDir; 284 285 /** The location for ASEC container files on internal storage. */ 286 final String mAsecInternalPath; 287 288 // This is the object monitoring the framework dir. 289 final FileObserver mFrameworkInstallObserver; 290 291 // This is the object monitoring the system app dir. 292 final FileObserver mSystemInstallObserver; 293 294 // This is the object monitoring the privileged system app dir. 295 final FileObserver mPrivilegedInstallObserver; 296 297 // This is the object monitoring the system app dir. 298 final FileObserver mVendorInstallObserver; 299 300 // This is the object monitoring mAppInstallDir. 301 final FileObserver mAppInstallObserver; 302 303 // This is the object monitoring mDrmAppPrivateInstallDir. 304 final FileObserver mDrmAppInstallObserver; 305 306 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 307 // LOCK HELD. Can be called with mInstallLock held. 308 final Installer mInstaller; 309 310 final File mAppInstallDir; 311 312 /** 313 * Directory to which applications installed internally have native 314 * libraries copied. 315 */ 316 private File mAppLibInstallDir; 317 318 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 319 // apps. 320 final File mDrmAppPrivateInstallDir; 321 322 // ---------------------------------------------------------------- 323 324 // Lock for state used when installing and doing other long running 325 // operations. Methods that must be called with this lock held have 326 // the prefix "LI". 327 final Object mInstallLock = new Object(); 328 329 // These are the directories in the 3rd party applications installed dir 330 // that we have currently loaded packages from. Keys are the application's 331 // installed zip file (absolute codePath), and values are Package. 332 final HashMap<String, PackageParser.Package> mAppDirs = 333 new HashMap<String, PackageParser.Package>(); 334 335 // Information for the parser to write more useful error messages. 336 File mScanningPath; 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 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3668 // flag set initially 3669 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3670 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3671 } 3672 } 3673 // Verify certificates against what was last scanned 3674 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3675 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3676 return null; 3677 } 3678 3679 /* 3680 * A new system app appeared, but we already had a non-system one of the 3681 * same name installed earlier. 3682 */ 3683 boolean shouldHideSystemApp = false; 3684 if (updatedPkg == null && ps != null 3685 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3686 /* 3687 * Check to make sure the signatures match first. If they don't, 3688 * wipe the installed application and its data. 3689 */ 3690 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3691 != PackageManager.SIGNATURE_MATCH) { 3692 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3693 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3694 ps = null; 3695 } else { 3696 /* 3697 * If the newly-added system app is an older version than the 3698 * already installed version, hide it. It will be scanned later 3699 * and re-added like an update. 3700 */ 3701 if (pkg.mVersionCode < ps.versionCode) { 3702 shouldHideSystemApp = true; 3703 } else { 3704 /* 3705 * The newly found system app is a newer version that the 3706 * one previously installed. Simply remove the 3707 * already-installed application and replace it with our own 3708 * while keeping the application data. 3709 */ 3710 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3711 + ps.codePathString + ": new version " + pkg.mVersionCode 3712 + " better than installed " + ps.versionCode); 3713 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3714 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3715 synchronized (mInstallLock) { 3716 args.cleanUpResourcesLI(); 3717 } 3718 } 3719 } 3720 } 3721 3722 // The apk is forward locked (not public) if its code and resources 3723 // are kept in different files. (except for app in either system or 3724 // vendor path). 3725 // TODO grab this value from PackageSettings 3726 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3727 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3728 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3729 } 3730 } 3731 3732 String codePath = null; 3733 String resPath = null; 3734 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0) { 3735 if (ps != null && ps.resourcePathString != null) { 3736 resPath = ps.resourcePathString; 3737 } else { 3738 // Should not happen at all. Just log an error. 3739 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3740 } 3741 } else { 3742 resPath = pkg.mScanPath; 3743 } 3744 3745 codePath = pkg.mScanPath; 3746 // Set application objects path explicitly. 3747 setApplicationInfoPaths(pkg, codePath, resPath); 3748 // Note that we invoke the following method only if we are about to unpack an application 3749 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3750 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3751 3752 /* 3753 * If the system app should be overridden by a previously installed 3754 * data, hide the system app now and let the /data/app scan pick it up 3755 * again. 3756 */ 3757 if (shouldHideSystemApp) { 3758 synchronized (mPackages) { 3759 /* 3760 * We have to grant systems permissions before we hide, because 3761 * grantPermissions will assume the package update is trying to 3762 * expand its permissions. 3763 */ 3764 grantPermissionsLPw(pkg, true); 3765 mSettings.disableSystemPackageLPw(pkg.packageName); 3766 } 3767 } 3768 3769 return scannedPkg; 3770 } 3771 3772 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3773 String destResPath) { 3774 pkg.mPath = pkg.mScanPath = destCodePath; 3775 pkg.applicationInfo.sourceDir = destCodePath; 3776 pkg.applicationInfo.publicSourceDir = destResPath; 3777 } 3778 3779 private static String fixProcessName(String defProcessName, 3780 String processName, int uid) { 3781 if (processName == null) { 3782 return defProcessName; 3783 } 3784 return processName; 3785 } 3786 3787 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3788 PackageParser.Package pkg) { 3789 if (pkgSetting.signatures.mSignatures != null) { 3790 // Already existing package. Make sure signatures match 3791 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3792 PackageManager.SIGNATURE_MATCH) { 3793 Slog.e(TAG, "Package " + pkg.packageName 3794 + " signatures do not match the previously installed version; ignoring!"); 3795 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3796 return false; 3797 } 3798 } 3799 // Check for shared user signatures 3800 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3801 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3802 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3803 Slog.e(TAG, "Package " + pkg.packageName 3804 + " has no signatures that match those in shared user " 3805 + pkgSetting.sharedUser.name + "; ignoring!"); 3806 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3807 return false; 3808 } 3809 } 3810 return true; 3811 } 3812 3813 /** 3814 * Enforces that only the system UID or root's UID can call a method exposed 3815 * via Binder. 3816 * 3817 * @param message used as message if SecurityException is thrown 3818 * @throws SecurityException if the caller is not system or root 3819 */ 3820 private static final void enforceSystemOrRoot(String message) { 3821 final int uid = Binder.getCallingUid(); 3822 if (uid != Process.SYSTEM_UID && uid != 0) { 3823 throw new SecurityException(message); 3824 } 3825 } 3826 3827 public void performBootDexOpt() { 3828 HashSet<PackageParser.Package> pkgs = null; 3829 synchronized (mPackages) { 3830 pkgs = mDeferredDexOpt; 3831 mDeferredDexOpt = null; 3832 } 3833 if (pkgs != null) { 3834 int i = 0; 3835 for (PackageParser.Package pkg : pkgs) { 3836 if (!isFirstBoot()) { 3837 i++; 3838 try { 3839 ActivityManagerNative.getDefault().showBootMessage( 3840 mContext.getResources().getString( 3841 com.android.internal.R.string.android_upgrading_apk, 3842 i, pkgs.size()), true); 3843 } catch (RemoteException e) { 3844 } 3845 } 3846 PackageParser.Package p = pkg; 3847 synchronized (mInstallLock) { 3848 if (!p.mDidDexOpt) { 3849 performDexOptLI(p, false, false, true); 3850 } 3851 } 3852 } 3853 } 3854 } 3855 3856 public boolean performDexOpt(String packageName) { 3857 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3858 3859 if (!mNoDexOpt) { 3860 return false; 3861 } 3862 3863 PackageParser.Package p; 3864 synchronized (mPackages) { 3865 p = mPackages.get(packageName); 3866 if (p == null || p.mDidDexOpt) { 3867 return false; 3868 } 3869 } 3870 synchronized (mInstallLock) { 3871 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 3872 } 3873 } 3874 3875 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 3876 HashSet<String> done) { 3877 for (int i=0; i<libs.size(); i++) { 3878 PackageParser.Package libPkg; 3879 String libName; 3880 synchronized (mPackages) { 3881 libName = libs.get(i); 3882 SharedLibraryEntry lib = mSharedLibraries.get(libName); 3883 if (lib != null && lib.apk != null) { 3884 libPkg = mPackages.get(lib.apk); 3885 } else { 3886 libPkg = null; 3887 } 3888 } 3889 if (libPkg != null && !done.contains(libName)) { 3890 performDexOptLI(libPkg, forceDex, defer, done); 3891 } 3892 } 3893 } 3894 3895 static final int DEX_OPT_SKIPPED = 0; 3896 static final int DEX_OPT_PERFORMED = 1; 3897 static final int DEX_OPT_DEFERRED = 2; 3898 static final int DEX_OPT_FAILED = -1; 3899 3900 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 3901 HashSet<String> done) { 3902 boolean performed = false; 3903 if (done != null) { 3904 done.add(pkg.packageName); 3905 if (pkg.usesLibraries != null) { 3906 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 3907 } 3908 if (pkg.usesOptionalLibraries != null) { 3909 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 3910 } 3911 } 3912 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 3913 String path = pkg.mScanPath; 3914 int ret = 0; 3915 try { 3916 if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { 3917 if (!forceDex && defer) { 3918 if (mDeferredDexOpt == null) { 3919 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 3920 } 3921 mDeferredDexOpt.add(pkg); 3922 return DEX_OPT_DEFERRED; 3923 } else { 3924 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 3925 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3926 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg)); 3927 pkg.mDidDexOpt = true; 3928 performed = true; 3929 } 3930 } 3931 } catch (FileNotFoundException e) { 3932 Slog.w(TAG, "Apk not found for dexopt: " + path); 3933 ret = -1; 3934 } catch (IOException e) { 3935 Slog.w(TAG, "IOException reading apk: " + path, e); 3936 ret = -1; 3937 } catch (dalvik.system.StaleDexCacheError e) { 3938 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 3939 ret = -1; 3940 } catch (Exception e) { 3941 Slog.w(TAG, "Exception when doing dexopt : ", e); 3942 ret = -1; 3943 } 3944 if (ret < 0) { 3945 //error from installer 3946 return DEX_OPT_FAILED; 3947 } 3948 } 3949 3950 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 3951 } 3952 3953 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 3954 boolean inclDependencies) { 3955 HashSet<String> done; 3956 boolean performed = false; 3957 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 3958 done = new HashSet<String>(); 3959 done.add(pkg.packageName); 3960 } else { 3961 done = null; 3962 } 3963 return performDexOptLI(pkg, forceDex, defer, done); 3964 } 3965 3966 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 3967 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 3968 Slog.w(TAG, "Unable to update from " + oldPkg.name 3969 + " to " + newPkg.packageName 3970 + ": old package not in system partition"); 3971 return false; 3972 } else if (mPackages.get(oldPkg.name) != null) { 3973 Slog.w(TAG, "Unable to update from " + oldPkg.name 3974 + " to " + newPkg.packageName 3975 + ": old package still exists"); 3976 return false; 3977 } 3978 return true; 3979 } 3980 3981 File getDataPathForUser(int userId) { 3982 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 3983 } 3984 3985 private File getDataPathForPackage(String packageName, int userId) { 3986 /* 3987 * Until we fully support multiple users, return the directory we 3988 * previously would have. The PackageManagerTests will need to be 3989 * revised when this is changed back.. 3990 */ 3991 if (userId == 0) { 3992 return new File(mAppDataDir, packageName); 3993 } else { 3994 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 3995 + File.separator + packageName); 3996 } 3997 } 3998 3999 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4000 int[] users = sUserManager.getUserIds(); 4001 int res = mInstaller.install(packageName, uid, uid, seinfo); 4002 if (res < 0) { 4003 return res; 4004 } 4005 for (int user : users) { 4006 if (user != 0) { 4007 res = mInstaller.createUserData(packageName, 4008 UserHandle.getUid(user, uid), user, seinfo); 4009 if (res < 0) { 4010 return res; 4011 } 4012 } 4013 } 4014 return res; 4015 } 4016 4017 private int removeDataDirsLI(String packageName) { 4018 int[] users = sUserManager.getUserIds(); 4019 int res = 0; 4020 for (int user : users) { 4021 int resInner = mInstaller.remove(packageName, user); 4022 if (resInner < 0) { 4023 res = resInner; 4024 } 4025 } 4026 4027 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4028 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4029 if (!nativeLibraryFile.delete()) { 4030 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4031 } 4032 4033 return res; 4034 } 4035 4036 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4037 PackageParser.Package changingLib) { 4038 if (file.path != null) { 4039 mTmpSharedLibraries[num] = file.path; 4040 return num+1; 4041 } 4042 PackageParser.Package p = mPackages.get(file.apk); 4043 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4044 // If we are doing this while in the middle of updating a library apk, 4045 // then we need to make sure to use that new apk for determining the 4046 // dependencies here. (We haven't yet finished committing the new apk 4047 // to the package manager state.) 4048 if (p == null || p.packageName.equals(changingLib.packageName)) { 4049 p = changingLib; 4050 } 4051 } 4052 if (p != null) { 4053 String path = p.mPath; 4054 for (int i=0; i<num; i++) { 4055 if (mTmpSharedLibraries[i].equals(path)) { 4056 return num; 4057 } 4058 } 4059 mTmpSharedLibraries[num] = p.mPath; 4060 return num+1; 4061 } 4062 return num; 4063 } 4064 4065 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4066 PackageParser.Package changingLib) { 4067 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4068 if (mTmpSharedLibraries == null || 4069 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4070 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4071 } 4072 int num = 0; 4073 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4074 for (int i=0; i<N; i++) { 4075 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4076 if (file == null) { 4077 Slog.e(TAG, "Package " + pkg.packageName 4078 + " requires unavailable shared library " 4079 + pkg.usesLibraries.get(i) + "; failing!"); 4080 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4081 return false; 4082 } 4083 num = addSharedLibraryLPw(file, num, changingLib); 4084 } 4085 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4086 for (int i=0; i<N; i++) { 4087 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4088 if (file == null) { 4089 Slog.w(TAG, "Package " + pkg.packageName 4090 + " desires unavailable shared library " 4091 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4092 } else { 4093 num = addSharedLibraryLPw(file, num, changingLib); 4094 } 4095 } 4096 if (num > 0) { 4097 pkg.usesLibraryFiles = new String[num]; 4098 System.arraycopy(mTmpSharedLibraries, 0, 4099 pkg.usesLibraryFiles, 0, num); 4100 } else { 4101 pkg.usesLibraryFiles = null; 4102 } 4103 } 4104 return true; 4105 } 4106 4107 private static boolean hasString(List<String> list, List<String> which) { 4108 if (list == null) { 4109 return false; 4110 } 4111 for (int i=list.size()-1; i>=0; i--) { 4112 for (int j=which.size()-1; j>=0; j--) { 4113 if (which.get(j).equals(list.get(i))) { 4114 return true; 4115 } 4116 } 4117 } 4118 return false; 4119 } 4120 4121 private void updateAllSharedLibrariesLPw() { 4122 for (PackageParser.Package pkg : mPackages.values()) { 4123 updateSharedLibrariesLPw(pkg, null); 4124 } 4125 } 4126 4127 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4128 PackageParser.Package changingPkg) { 4129 ArrayList<PackageParser.Package> res = null; 4130 for (PackageParser.Package pkg : mPackages.values()) { 4131 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4132 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4133 if (res == null) { 4134 res = new ArrayList<PackageParser.Package>(); 4135 } 4136 res.add(pkg); 4137 updateSharedLibrariesLPw(pkg, changingPkg); 4138 } 4139 } 4140 return res; 4141 } 4142 4143 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4144 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4145 File scanFile = new File(pkg.mScanPath); 4146 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4147 pkg.applicationInfo.publicSourceDir == null) { 4148 // Bail out. The resource and code paths haven't been set. 4149 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4150 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4151 return null; 4152 } 4153 mScanningPath = scanFile; 4154 4155 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4156 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4157 } 4158 4159 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4160 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4161 } 4162 4163 if (mCustomResolverComponentName != null && 4164 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4165 setUpCustomResolverActivity(pkg); 4166 } 4167 4168 if (pkg.packageName.equals("android")) { 4169 synchronized (mPackages) { 4170 if (mAndroidApplication != null) { 4171 Slog.w(TAG, "*************************************************"); 4172 Slog.w(TAG, "Core android package being redefined. Skipping."); 4173 Slog.w(TAG, " file=" + mScanningPath); 4174 Slog.w(TAG, "*************************************************"); 4175 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4176 return null; 4177 } 4178 4179 // Set up information for our fall-back user intent resolution activity. 4180 mPlatformPackage = pkg; 4181 pkg.mVersionCode = mSdkVersion; 4182 mAndroidApplication = pkg.applicationInfo; 4183 4184 if (!mResolverReplaced) { 4185 mResolveActivity.applicationInfo = mAndroidApplication; 4186 mResolveActivity.name = ResolverActivity.class.getName(); 4187 mResolveActivity.packageName = mAndroidApplication.packageName; 4188 mResolveActivity.processName = "system:ui"; 4189 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4190 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4191 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4192 mResolveActivity.exported = true; 4193 mResolveActivity.enabled = true; 4194 mResolveInfo.activityInfo = mResolveActivity; 4195 mResolveInfo.priority = 0; 4196 mResolveInfo.preferredOrder = 0; 4197 mResolveInfo.match = 0; 4198 mResolveComponentName = new ComponentName( 4199 mAndroidApplication.packageName, mResolveActivity.name); 4200 } 4201 } 4202 } 4203 4204 if (DEBUG_PACKAGE_SCANNING) { 4205 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4206 Log.d(TAG, "Scanning package " + pkg.packageName); 4207 } 4208 4209 if (mPackages.containsKey(pkg.packageName) 4210 || mSharedLibraries.containsKey(pkg.packageName)) { 4211 Slog.w(TAG, "Application package " + pkg.packageName 4212 + " already installed. Skipping duplicate."); 4213 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4214 return null; 4215 } 4216 4217 // Initialize package source and resource directories 4218 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4219 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4220 4221 SharedUserSetting suid = null; 4222 PackageSetting pkgSetting = null; 4223 4224 if (!isSystemApp(pkg)) { 4225 // Only system apps can use these features. 4226 pkg.mOriginalPackages = null; 4227 pkg.mRealPackage = null; 4228 pkg.mAdoptPermissions = null; 4229 } 4230 4231 // writer 4232 synchronized (mPackages) { 4233 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4234 // Check all shared libraries and map to their actual file path. 4235 // We only do this here for apps not on a system dir, because those 4236 // are the only ones that can fail an install due to this. We 4237 // will take care of the system apps by updating all of their 4238 // library paths after the scan is done. 4239 if (!updateSharedLibrariesLPw(pkg, null)) { 4240 return null; 4241 } 4242 } 4243 4244 if (pkg.mSharedUserId != null) { 4245 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4246 if (suid == null) { 4247 Slog.w(TAG, "Creating application package " + pkg.packageName 4248 + " for shared user failed"); 4249 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4250 return null; 4251 } 4252 if (DEBUG_PACKAGE_SCANNING) { 4253 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4254 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4255 + "): packages=" + suid.packages); 4256 } 4257 } 4258 4259 // Check if we are renaming from an original package name. 4260 PackageSetting origPackage = null; 4261 String realName = null; 4262 if (pkg.mOriginalPackages != null) { 4263 // This package may need to be renamed to a previously 4264 // installed name. Let's check on that... 4265 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4266 if (pkg.mOriginalPackages.contains(renamed)) { 4267 // This package had originally been installed as the 4268 // original name, and we have already taken care of 4269 // transitioning to the new one. Just update the new 4270 // one to continue using the old name. 4271 realName = pkg.mRealPackage; 4272 if (!pkg.packageName.equals(renamed)) { 4273 // Callers into this function may have already taken 4274 // care of renaming the package; only do it here if 4275 // it is not already done. 4276 pkg.setPackageName(renamed); 4277 } 4278 4279 } else { 4280 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4281 if ((origPackage = mSettings.peekPackageLPr( 4282 pkg.mOriginalPackages.get(i))) != null) { 4283 // We do have the package already installed under its 4284 // original name... should we use it? 4285 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4286 // New package is not compatible with original. 4287 origPackage = null; 4288 continue; 4289 } else if (origPackage.sharedUser != null) { 4290 // Make sure uid is compatible between packages. 4291 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4292 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4293 + " to " + pkg.packageName + ": old uid " 4294 + origPackage.sharedUser.name 4295 + " differs from " + pkg.mSharedUserId); 4296 origPackage = null; 4297 continue; 4298 } 4299 } else { 4300 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4301 + pkg.packageName + " to old name " + origPackage.name); 4302 } 4303 break; 4304 } 4305 } 4306 } 4307 } 4308 4309 if (mTransferedPackages.contains(pkg.packageName)) { 4310 Slog.w(TAG, "Package " + pkg.packageName 4311 + " was transferred to another, but its .apk remains"); 4312 } 4313 4314 // Just create the setting, don't add it yet. For already existing packages 4315 // the PkgSetting exists already and doesn't have to be created. 4316 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4317 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4318 pkg.applicationInfo.flags, user, false); 4319 if (pkgSetting == null) { 4320 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4321 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4322 return null; 4323 } 4324 4325 if (pkgSetting.origPackage != null) { 4326 // If we are first transitioning from an original package, 4327 // fix up the new package's name now. We need to do this after 4328 // looking up the package under its new name, so getPackageLP 4329 // can take care of fiddling things correctly. 4330 pkg.setPackageName(origPackage.name); 4331 4332 // File a report about this. 4333 String msg = "New package " + pkgSetting.realName 4334 + " renamed to replace old package " + pkgSetting.name; 4335 reportSettingsProblem(Log.WARN, msg); 4336 4337 // Make a note of it. 4338 mTransferedPackages.add(origPackage.name); 4339 4340 // No longer need to retain this. 4341 pkgSetting.origPackage = null; 4342 } 4343 4344 if (realName != null) { 4345 // Make a note of it. 4346 mTransferedPackages.add(pkg.packageName); 4347 } 4348 4349 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4350 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4351 } 4352 4353 if (mFoundPolicyFile) { 4354 SELinuxMMAC.assignSeinfoValue(pkg); 4355 } 4356 4357 pkg.applicationInfo.uid = pkgSetting.appId; 4358 pkg.mExtras = pkgSetting; 4359 4360 if (!verifySignaturesLP(pkgSetting, pkg)) { 4361 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4362 return null; 4363 } 4364 // The signature has changed, but this package is in the system 4365 // image... let's recover! 4366 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4367 // However... if this package is part of a shared user, but it 4368 // doesn't match the signature of the shared user, let's fail. 4369 // What this means is that you can't change the signatures 4370 // associated with an overall shared user, which doesn't seem all 4371 // that unreasonable. 4372 if (pkgSetting.sharedUser != null) { 4373 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4374 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4375 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4376 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4377 return null; 4378 } 4379 } 4380 // File a report about this. 4381 String msg = "System package " + pkg.packageName 4382 + " signature changed; retaining data."; 4383 reportSettingsProblem(Log.WARN, msg); 4384 } 4385 4386 // Verify that this new package doesn't have any content providers 4387 // that conflict with existing packages. Only do this if the 4388 // package isn't already installed, since we don't want to break 4389 // things that are installed. 4390 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4391 final int N = pkg.providers.size(); 4392 int i; 4393 for (i=0; i<N; i++) { 4394 PackageParser.Provider p = pkg.providers.get(i); 4395 if (p.info.authority != null) { 4396 String names[] = p.info.authority.split(";"); 4397 for (int j = 0; j < names.length; j++) { 4398 if (mProvidersByAuthority.containsKey(names[j])) { 4399 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4400 Slog.w(TAG, "Can't install because provider name " + names[j] + 4401 " (in package " + pkg.applicationInfo.packageName + 4402 ") is already used by " 4403 + ((other != null && other.getComponentName() != null) 4404 ? other.getComponentName().getPackageName() : "?")); 4405 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4406 return null; 4407 } 4408 } 4409 } 4410 } 4411 } 4412 4413 if (pkg.mAdoptPermissions != null) { 4414 // This package wants to adopt ownership of permissions from 4415 // another package. 4416 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4417 final String origName = pkg.mAdoptPermissions.get(i); 4418 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4419 if (orig != null) { 4420 if (verifyPackageUpdateLPr(orig, pkg)) { 4421 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4422 + pkg.packageName); 4423 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4424 } 4425 } 4426 } 4427 } 4428 } 4429 4430 final String pkgName = pkg.packageName; 4431 4432 final long scanFileTime = scanFile.lastModified(); 4433 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4434 pkg.applicationInfo.processName = fixProcessName( 4435 pkg.applicationInfo.packageName, 4436 pkg.applicationInfo.processName, 4437 pkg.applicationInfo.uid); 4438 4439 File dataPath; 4440 if (mPlatformPackage == pkg) { 4441 // The system package is special. 4442 dataPath = new File (Environment.getDataDirectory(), "system"); 4443 pkg.applicationInfo.dataDir = dataPath.getPath(); 4444 } else { 4445 // This is a normal package, need to make its data directory. 4446 dataPath = getDataPathForPackage(pkg.packageName, 0); 4447 4448 boolean uidError = false; 4449 4450 if (dataPath.exists()) { 4451 int currentUid = 0; 4452 try { 4453 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4454 currentUid = stat.st_uid; 4455 } catch (ErrnoException e) { 4456 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4457 } 4458 4459 // If we have mismatched owners for the data path, we have a problem. 4460 if (currentUid != pkg.applicationInfo.uid) { 4461 boolean recovered = false; 4462 if (currentUid == 0) { 4463 // The directory somehow became owned by root. Wow. 4464 // This is probably because the system was stopped while 4465 // installd was in the middle of messing with its libs 4466 // directory. Ask installd to fix that. 4467 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4468 pkg.applicationInfo.uid); 4469 if (ret >= 0) { 4470 recovered = true; 4471 String msg = "Package " + pkg.packageName 4472 + " unexpectedly changed to uid 0; recovered to " + 4473 + pkg.applicationInfo.uid; 4474 reportSettingsProblem(Log.WARN, msg); 4475 } 4476 } 4477 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4478 || (scanMode&SCAN_BOOTING) != 0)) { 4479 // If this is a system app, we can at least delete its 4480 // current data so the application will still work. 4481 int ret = removeDataDirsLI(pkgName); 4482 if (ret >= 0) { 4483 // TODO: Kill the processes first 4484 // Old data gone! 4485 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4486 ? "System package " : "Third party package "; 4487 String msg = prefix + pkg.packageName 4488 + " has changed from uid: " 4489 + currentUid + " to " 4490 + pkg.applicationInfo.uid + "; old data erased"; 4491 reportSettingsProblem(Log.WARN, msg); 4492 recovered = true; 4493 4494 // And now re-install the app. 4495 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4496 pkg.applicationInfo.seinfo); 4497 if (ret == -1) { 4498 // Ack should not happen! 4499 msg = prefix + pkg.packageName 4500 + " could not have data directory re-created after delete."; 4501 reportSettingsProblem(Log.WARN, msg); 4502 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4503 return null; 4504 } 4505 } 4506 if (!recovered) { 4507 mHasSystemUidErrors = true; 4508 } 4509 } else if (!recovered) { 4510 // If we allow this install to proceed, we will be broken. 4511 // Abort, abort! 4512 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4513 return null; 4514 } 4515 if (!recovered) { 4516 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4517 + pkg.applicationInfo.uid + "/fs_" 4518 + currentUid; 4519 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4520 String msg = "Package " + pkg.packageName 4521 + " has mismatched uid: " 4522 + currentUid + " on disk, " 4523 + pkg.applicationInfo.uid + " in settings"; 4524 // writer 4525 synchronized (mPackages) { 4526 mSettings.mReadMessages.append(msg); 4527 mSettings.mReadMessages.append('\n'); 4528 uidError = true; 4529 if (!pkgSetting.uidError) { 4530 reportSettingsProblem(Log.ERROR, msg); 4531 } 4532 } 4533 } 4534 } 4535 pkg.applicationInfo.dataDir = dataPath.getPath(); 4536 } else { 4537 if (DEBUG_PACKAGE_SCANNING) { 4538 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4539 Log.v(TAG, "Want this data dir: " + dataPath); 4540 } 4541 //invoke installer to do the actual installation 4542 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4543 pkg.applicationInfo.seinfo); 4544 if (ret < 0) { 4545 // Error from installer 4546 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4547 return null; 4548 } 4549 4550 if (dataPath.exists()) { 4551 pkg.applicationInfo.dataDir = dataPath.getPath(); 4552 } else { 4553 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4554 pkg.applicationInfo.dataDir = null; 4555 } 4556 } 4557 4558 /* 4559 * Set the data dir to the default "/data/data/<package name>/lib" 4560 * if we got here without anyone telling us different (e.g., apps 4561 * stored on SD card have their native libraries stored in the ASEC 4562 * container with the APK). 4563 * 4564 * This happens during an upgrade from a package settings file that 4565 * doesn't have a native library path attribute at all. 4566 */ 4567 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4568 if (pkgSetting.nativeLibraryPathString == null) { 4569 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4570 } else { 4571 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4572 } 4573 } 4574 4575 pkgSetting.uidError = uidError; 4576 } 4577 4578 String path = scanFile.getPath(); 4579 /* Note: We don't want to unpack the native binaries for 4580 * system applications, unless they have been updated 4581 * (the binaries are already under /system/lib). 4582 * Also, don't unpack libs for apps on the external card 4583 * since they should have their libraries in the ASEC 4584 * container already. 4585 * 4586 * In other words, we're going to unpack the binaries 4587 * only for non-system apps and system app upgrades. 4588 */ 4589 if (pkg.applicationInfo.nativeLibraryDir != null) { 4590 try { 4591 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4592 final String dataPathString = dataPath.getCanonicalPath(); 4593 4594 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4595 /* 4596 * Upgrading from a previous version of the OS sometimes 4597 * leaves native libraries in the /data/data/<app>/lib 4598 * directory for system apps even when they shouldn't be. 4599 * Recent changes in the JNI library search path 4600 * necessitates we remove those to match previous behavior. 4601 */ 4602 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4603 Log.i(TAG, "removed obsolete native libraries for system package " 4604 + path); 4605 } 4606 } else { 4607 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4608 /* 4609 * Update native library dir if it starts with 4610 * /data/data 4611 */ 4612 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4613 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4614 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4615 } 4616 4617 try { 4618 if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) { 4619 Slog.e(TAG, "Unable to copy native libraries"); 4620 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4621 return null; 4622 } 4623 } catch (IOException e) { 4624 Slog.e(TAG, "Unable to copy native libraries", e); 4625 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4626 return null; 4627 } 4628 } 4629 4630 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4631 final int[] userIds = sUserManager.getUserIds(); 4632 synchronized (mInstallLock) { 4633 for (int userId : userIds) { 4634 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4635 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4636 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4637 + ")"); 4638 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4639 return null; 4640 } 4641 } 4642 } 4643 } 4644 } catch (IOException ioe) { 4645 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4646 } 4647 } 4648 pkg.mScanPath = path; 4649 4650 if ((scanMode&SCAN_NO_DEX) == 0) { 4651 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4652 == DEX_OPT_FAILED) { 4653 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4654 return null; 4655 } 4656 } 4657 4658 if (mFactoryTest && pkg.requestedPermissions.contains( 4659 android.Manifest.permission.FACTORY_TEST)) { 4660 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4661 } 4662 4663 ArrayList<PackageParser.Package> clientLibPkgs = null; 4664 4665 // writer 4666 synchronized (mPackages) { 4667 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4668 // Only system apps can add new shared libraries. 4669 if (pkg.libraryNames != null) { 4670 for (int i=0; i<pkg.libraryNames.size(); i++) { 4671 String name = pkg.libraryNames.get(i); 4672 boolean allowed = false; 4673 if (isUpdatedSystemApp(pkg)) { 4674 // New library entries can only be added through the 4675 // system image. This is important to get rid of a lot 4676 // of nasty edge cases: for example if we allowed a non- 4677 // system update of the app to add a library, then uninstalling 4678 // the update would make the library go away, and assumptions 4679 // we made such as through app install filtering would now 4680 // have allowed apps on the device which aren't compatible 4681 // with it. Better to just have the restriction here, be 4682 // conservative, and create many fewer cases that can negatively 4683 // impact the user experience. 4684 final PackageSetting sysPs = mSettings 4685 .getDisabledSystemPkgLPr(pkg.packageName); 4686 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4687 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4688 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4689 allowed = true; 4690 allowed = true; 4691 break; 4692 } 4693 } 4694 } 4695 } else { 4696 allowed = true; 4697 } 4698 if (allowed) { 4699 if (!mSharedLibraries.containsKey(name)) { 4700 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4701 pkg.packageName)); 4702 } else if (!name.equals(pkg.packageName)) { 4703 Slog.w(TAG, "Package " + pkg.packageName + " library " 4704 + name + " already exists; skipping"); 4705 } 4706 } else { 4707 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4708 + name + " that is not declared on system image; skipping"); 4709 } 4710 } 4711 if ((scanMode&SCAN_BOOTING) == 0) { 4712 // If we are not booting, we need to update any applications 4713 // that are clients of our shared library. If we are booting, 4714 // this will all be done once the scan is complete. 4715 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4716 } 4717 } 4718 } 4719 } 4720 4721 // We also need to dexopt any apps that are dependent on this library. Note that 4722 // if these fail, we should abort the install since installing the library will 4723 // result in some apps being broken. 4724 if (clientLibPkgs != null) { 4725 if ((scanMode&SCAN_NO_DEX) == 0) { 4726 for (int i=0; i<clientLibPkgs.size(); i++) { 4727 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4728 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4729 == DEX_OPT_FAILED) { 4730 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4731 return null; 4732 } 4733 } 4734 } 4735 } 4736 4737 // Request the ActivityManager to kill the process(only for existing packages) 4738 // so that we do not end up in a confused state while the user is still using the older 4739 // version of the application while the new one gets installed. 4740 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4741 // If the package lives in an asec, tell everyone that the container is going 4742 // away so they can clean up any references to its resources (which would prevent 4743 // vold from being able to unmount the asec) 4744 if (isForwardLocked(pkg) || isExternal(pkg)) { 4745 if (DEBUG_INSTALL) { 4746 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4747 } 4748 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4749 final ArrayList<String> pkgList = new ArrayList<String>(1); 4750 pkgList.add(pkg.applicationInfo.packageName); 4751 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4752 } 4753 4754 // Post the request that it be killed now that the going-away broadcast is en route 4755 killApplication(pkg.applicationInfo.packageName, 4756 pkg.applicationInfo.uid, "update pkg"); 4757 } 4758 4759 // Also need to kill any apps that are dependent on the library. 4760 if (clientLibPkgs != null) { 4761 for (int i=0; i<clientLibPkgs.size(); i++) { 4762 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4763 killApplication(clientPkg.applicationInfo.packageName, 4764 clientPkg.applicationInfo.uid, "update lib"); 4765 } 4766 } 4767 4768 // writer 4769 synchronized (mPackages) { 4770 // We don't expect installation to fail beyond this point, 4771 if ((scanMode&SCAN_MONITOR) != 0) { 4772 mAppDirs.put(pkg.mPath, pkg); 4773 } 4774 // Add the new setting to mSettings 4775 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4776 // Add the new setting to mPackages 4777 mPackages.put(pkg.applicationInfo.packageName, pkg); 4778 // Make sure we don't accidentally delete its data. 4779 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4780 while (iter.hasNext()) { 4781 PackageCleanItem item = iter.next(); 4782 if (pkgName.equals(item.packageName)) { 4783 iter.remove(); 4784 } 4785 } 4786 4787 // Take care of first install / last update times. 4788 if (currentTime != 0) { 4789 if (pkgSetting.firstInstallTime == 0) { 4790 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4791 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4792 pkgSetting.lastUpdateTime = currentTime; 4793 } 4794 } else if (pkgSetting.firstInstallTime == 0) { 4795 // We need *something*. Take time time stamp of the file. 4796 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4797 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4798 if (scanFileTime != pkgSetting.timeStamp) { 4799 // A package on the system image has changed; consider this 4800 // to be an update. 4801 pkgSetting.lastUpdateTime = scanFileTime; 4802 } 4803 } 4804 4805 // Add the package's KeySets to the global KeySetManager 4806 KeySetManager ksm = mSettings.mKeySetManager; 4807 try { 4808 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 4809 if (pkg.mKeySetMapping != null) { 4810 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 4811 if (entry.getValue() != null) { 4812 ksm.addDefinedKeySetToPackage(pkg.packageName, 4813 entry.getValue(), entry.getKey()); 4814 } 4815 } 4816 } 4817 } catch (NullPointerException e) { 4818 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 4819 } catch (IllegalArgumentException e) { 4820 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 4821 } 4822 4823 int N = pkg.providers.size(); 4824 StringBuilder r = null; 4825 int i; 4826 for (i=0; i<N; i++) { 4827 PackageParser.Provider p = pkg.providers.get(i); 4828 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 4829 p.info.processName, pkg.applicationInfo.uid); 4830 mProviders.addProvider(p); 4831 p.syncable = p.info.isSyncable; 4832 if (p.info.authority != null) { 4833 String names[] = p.info.authority.split(";"); 4834 p.info.authority = null; 4835 for (int j = 0; j < names.length; j++) { 4836 if (j == 1 && p.syncable) { 4837 // We only want the first authority for a provider to possibly be 4838 // syncable, so if we already added this provider using a different 4839 // authority clear the syncable flag. We copy the provider before 4840 // changing it because the mProviders object contains a reference 4841 // to a provider that we don't want to change. 4842 // Only do this for the second authority since the resulting provider 4843 // object can be the same for all future authorities for this provider. 4844 p = new PackageParser.Provider(p); 4845 p.syncable = false; 4846 } 4847 if (!mProvidersByAuthority.containsKey(names[j])) { 4848 mProvidersByAuthority.put(names[j], p); 4849 if (p.info.authority == null) { 4850 p.info.authority = names[j]; 4851 } else { 4852 p.info.authority = p.info.authority + ";" + names[j]; 4853 } 4854 if (DEBUG_PACKAGE_SCANNING) { 4855 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4856 Log.d(TAG, "Registered content provider: " + names[j] 4857 + ", className = " + p.info.name + ", isSyncable = " 4858 + p.info.isSyncable); 4859 } 4860 } else { 4861 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4862 Slog.w(TAG, "Skipping provider name " + names[j] + 4863 " (in package " + pkg.applicationInfo.packageName + 4864 "): name already used by " 4865 + ((other != null && other.getComponentName() != null) 4866 ? other.getComponentName().getPackageName() : "?")); 4867 } 4868 } 4869 } 4870 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4871 if (r == null) { 4872 r = new StringBuilder(256); 4873 } else { 4874 r.append(' '); 4875 } 4876 r.append(p.info.name); 4877 } 4878 } 4879 if (r != null) { 4880 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 4881 } 4882 4883 N = pkg.services.size(); 4884 r = null; 4885 for (i=0; i<N; i++) { 4886 PackageParser.Service s = pkg.services.get(i); 4887 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 4888 s.info.processName, pkg.applicationInfo.uid); 4889 mServices.addService(s); 4890 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4891 if (r == null) { 4892 r = new StringBuilder(256); 4893 } else { 4894 r.append(' '); 4895 } 4896 r.append(s.info.name); 4897 } 4898 } 4899 if (r != null) { 4900 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 4901 } 4902 4903 N = pkg.receivers.size(); 4904 r = null; 4905 for (i=0; i<N; i++) { 4906 PackageParser.Activity a = pkg.receivers.get(i); 4907 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4908 a.info.processName, pkg.applicationInfo.uid); 4909 mReceivers.addActivity(a, "receiver"); 4910 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4911 if (r == null) { 4912 r = new StringBuilder(256); 4913 } else { 4914 r.append(' '); 4915 } 4916 r.append(a.info.name); 4917 } 4918 } 4919 if (r != null) { 4920 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 4921 } 4922 4923 N = pkg.activities.size(); 4924 r = null; 4925 for (i=0; i<N; i++) { 4926 PackageParser.Activity a = pkg.activities.get(i); 4927 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4928 a.info.processName, pkg.applicationInfo.uid); 4929 mActivities.addActivity(a, "activity"); 4930 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4931 if (r == null) { 4932 r = new StringBuilder(256); 4933 } else { 4934 r.append(' '); 4935 } 4936 r.append(a.info.name); 4937 } 4938 } 4939 if (r != null) { 4940 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 4941 } 4942 4943 N = pkg.permissionGroups.size(); 4944 r = null; 4945 for (i=0; i<N; i++) { 4946 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 4947 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 4948 if (cur == null) { 4949 mPermissionGroups.put(pg.info.name, pg); 4950 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4951 if (r == null) { 4952 r = new StringBuilder(256); 4953 } else { 4954 r.append(' '); 4955 } 4956 r.append(pg.info.name); 4957 } 4958 } else { 4959 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 4960 + pg.info.packageName + " ignored: original from " 4961 + cur.info.packageName); 4962 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4963 if (r == null) { 4964 r = new StringBuilder(256); 4965 } else { 4966 r.append(' '); 4967 } 4968 r.append("DUP:"); 4969 r.append(pg.info.name); 4970 } 4971 } 4972 } 4973 if (r != null) { 4974 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 4975 } 4976 4977 N = pkg.permissions.size(); 4978 r = null; 4979 for (i=0; i<N; i++) { 4980 PackageParser.Permission p = pkg.permissions.get(i); 4981 HashMap<String, BasePermission> permissionMap = 4982 p.tree ? mSettings.mPermissionTrees 4983 : mSettings.mPermissions; 4984 p.group = mPermissionGroups.get(p.info.group); 4985 if (p.info.group == null || p.group != null) { 4986 BasePermission bp = permissionMap.get(p.info.name); 4987 if (bp == null) { 4988 bp = new BasePermission(p.info.name, p.info.packageName, 4989 BasePermission.TYPE_NORMAL); 4990 permissionMap.put(p.info.name, bp); 4991 } 4992 if (bp.perm == null) { 4993 if (bp.sourcePackage != null 4994 && !bp.sourcePackage.equals(p.info.packageName)) { 4995 // If this is a permission that was formerly defined by a non-system 4996 // app, but is now defined by a system app (following an upgrade), 4997 // discard the previous declaration and consider the system's to be 4998 // canonical. 4999 if (isSystemApp(p.owner)) { 5000 Slog.i(TAG, "New decl " + p.owner + " of permission " 5001 + p.info.name + " is system"); 5002 bp.sourcePackage = null; 5003 } 5004 } 5005 if (bp.sourcePackage == null 5006 || bp.sourcePackage.equals(p.info.packageName)) { 5007 BasePermission tree = findPermissionTreeLP(p.info.name); 5008 if (tree == null 5009 || tree.sourcePackage.equals(p.info.packageName)) { 5010 bp.packageSetting = pkgSetting; 5011 bp.perm = p; 5012 bp.uid = pkg.applicationInfo.uid; 5013 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5014 if (r == null) { 5015 r = new StringBuilder(256); 5016 } else { 5017 r.append(' '); 5018 } 5019 r.append(p.info.name); 5020 } 5021 } else { 5022 Slog.w(TAG, "Permission " + p.info.name + " from package " 5023 + p.info.packageName + " ignored: base tree " 5024 + tree.name + " is from package " 5025 + tree.sourcePackage); 5026 } 5027 } else { 5028 Slog.w(TAG, "Permission " + p.info.name + " from package " 5029 + p.info.packageName + " ignored: original from " 5030 + bp.sourcePackage); 5031 } 5032 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5033 if (r == null) { 5034 r = new StringBuilder(256); 5035 } else { 5036 r.append(' '); 5037 } 5038 r.append("DUP:"); 5039 r.append(p.info.name); 5040 } 5041 if (bp.perm == p) { 5042 bp.protectionLevel = p.info.protectionLevel; 5043 } 5044 } else { 5045 Slog.w(TAG, "Permission " + p.info.name + " from package " 5046 + p.info.packageName + " ignored: no group " 5047 + p.group); 5048 } 5049 } 5050 if (r != null) { 5051 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5052 } 5053 5054 N = pkg.instrumentation.size(); 5055 r = null; 5056 for (i=0; i<N; i++) { 5057 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5058 a.info.packageName = pkg.applicationInfo.packageName; 5059 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5060 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5061 a.info.dataDir = pkg.applicationInfo.dataDir; 5062 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5063 mInstrumentation.put(a.getComponentName(), a); 5064 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5065 if (r == null) { 5066 r = new StringBuilder(256); 5067 } else { 5068 r.append(' '); 5069 } 5070 r.append(a.info.name); 5071 } 5072 } 5073 if (r != null) { 5074 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5075 } 5076 5077 if (pkg.protectedBroadcasts != null) { 5078 N = pkg.protectedBroadcasts.size(); 5079 for (i=0; i<N; i++) { 5080 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5081 } 5082 } 5083 5084 pkgSetting.setTimeStamp(scanFileTime); 5085 } 5086 5087 return pkg; 5088 } 5089 5090 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5091 synchronized (mPackages) { 5092 mResolverReplaced = true; 5093 // Set up information for custom user intent resolution activity. 5094 mResolveActivity.applicationInfo = pkg.applicationInfo; 5095 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5096 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5097 mResolveActivity.processName = null; 5098 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5099 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5100 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5101 mResolveActivity.theme = 0; 5102 mResolveActivity.exported = true; 5103 mResolveActivity.enabled = true; 5104 mResolveInfo.activityInfo = mResolveActivity; 5105 mResolveInfo.priority = 0; 5106 mResolveInfo.preferredOrder = 0; 5107 mResolveInfo.match = 0; 5108 mResolveComponentName = mCustomResolverComponentName; 5109 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5110 mResolveComponentName); 5111 } 5112 } 5113 5114 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5115 PackageSetting pkgSetting) { 5116 final String apkLibPath = getApkName(pkgSetting.codePathString); 5117 final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath(); 5118 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5119 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5120 } 5121 5122 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5123 throws IOException { 5124 if (!nativeLibraryDir.isDirectory()) { 5125 nativeLibraryDir.delete(); 5126 5127 if (!nativeLibraryDir.mkdir()) { 5128 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5129 } 5130 5131 try { 5132 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5133 | S_IXOTH); 5134 } catch (ErrnoException e) { 5135 throw new IOException("Cannot chmod native library directory " 5136 + nativeLibraryDir.getPath(), e); 5137 } 5138 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5139 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5140 } 5141 5142 /* 5143 * If this is an internal application or our nativeLibraryPath points to 5144 * the app-lib directory, unpack the libraries if necessary. 5145 */ 5146 return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 5147 } 5148 5149 private void killApplication(String pkgName, int appId, String reason) { 5150 // Request the ActivityManager to kill the process(only for existing packages) 5151 // so that we do not end up in a confused state while the user is still using the older 5152 // version of the application while the new one gets installed. 5153 IActivityManager am = ActivityManagerNative.getDefault(); 5154 if (am != null) { 5155 try { 5156 am.killApplicationWithAppId(pkgName, appId, reason); 5157 } catch (RemoteException e) { 5158 } 5159 } 5160 } 5161 5162 void removePackageLI(PackageSetting ps, boolean chatty) { 5163 if (DEBUG_INSTALL) { 5164 if (chatty) 5165 Log.d(TAG, "Removing package " + ps.name); 5166 } 5167 5168 // writer 5169 synchronized (mPackages) { 5170 mPackages.remove(ps.name); 5171 if (ps.codePathString != null) { 5172 mAppDirs.remove(ps.codePathString); 5173 } 5174 5175 final PackageParser.Package pkg = ps.pkg; 5176 if (pkg != null) { 5177 cleanPackageDataStructuresLILPw(pkg, chatty); 5178 } 5179 } 5180 } 5181 5182 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5183 if (DEBUG_INSTALL) { 5184 if (chatty) 5185 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5186 } 5187 5188 // writer 5189 synchronized (mPackages) { 5190 mPackages.remove(pkg.applicationInfo.packageName); 5191 if (pkg.mPath != null) { 5192 mAppDirs.remove(pkg.mPath); 5193 } 5194 cleanPackageDataStructuresLILPw(pkg, chatty); 5195 } 5196 } 5197 5198 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5199 int N = pkg.providers.size(); 5200 StringBuilder r = null; 5201 int i; 5202 for (i=0; i<N; i++) { 5203 PackageParser.Provider p = pkg.providers.get(i); 5204 mProviders.removeProvider(p); 5205 if (p.info.authority == null) { 5206 5207 /* There was another ContentProvider with this authority when 5208 * this app was installed so this authority is null, 5209 * Ignore it as we don't have to unregister the provider. 5210 */ 5211 continue; 5212 } 5213 String names[] = p.info.authority.split(";"); 5214 for (int j = 0; j < names.length; j++) { 5215 if (mProvidersByAuthority.get(names[j]) == p) { 5216 mProvidersByAuthority.remove(names[j]); 5217 if (DEBUG_REMOVE) { 5218 if (chatty) 5219 Log.d(TAG, "Unregistered content provider: " + names[j] 5220 + ", className = " + p.info.name + ", isSyncable = " 5221 + p.info.isSyncable); 5222 } 5223 } 5224 } 5225 if (DEBUG_REMOVE && chatty) { 5226 if (r == null) { 5227 r = new StringBuilder(256); 5228 } else { 5229 r.append(' '); 5230 } 5231 r.append(p.info.name); 5232 } 5233 } 5234 if (r != null) { 5235 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5236 } 5237 5238 N = pkg.services.size(); 5239 r = null; 5240 for (i=0; i<N; i++) { 5241 PackageParser.Service s = pkg.services.get(i); 5242 mServices.removeService(s); 5243 if (chatty) { 5244 if (r == null) { 5245 r = new StringBuilder(256); 5246 } else { 5247 r.append(' '); 5248 } 5249 r.append(s.info.name); 5250 } 5251 } 5252 if (r != null) { 5253 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5254 } 5255 5256 N = pkg.receivers.size(); 5257 r = null; 5258 for (i=0; i<N; i++) { 5259 PackageParser.Activity a = pkg.receivers.get(i); 5260 mReceivers.removeActivity(a, "receiver"); 5261 if (DEBUG_REMOVE && chatty) { 5262 if (r == null) { 5263 r = new StringBuilder(256); 5264 } else { 5265 r.append(' '); 5266 } 5267 r.append(a.info.name); 5268 } 5269 } 5270 if (r != null) { 5271 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5272 } 5273 5274 N = pkg.activities.size(); 5275 r = null; 5276 for (i=0; i<N; i++) { 5277 PackageParser.Activity a = pkg.activities.get(i); 5278 mActivities.removeActivity(a, "activity"); 5279 if (DEBUG_REMOVE && chatty) { 5280 if (r == null) { 5281 r = new StringBuilder(256); 5282 } else { 5283 r.append(' '); 5284 } 5285 r.append(a.info.name); 5286 } 5287 } 5288 if (r != null) { 5289 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5290 } 5291 5292 N = pkg.permissions.size(); 5293 r = null; 5294 for (i=0; i<N; i++) { 5295 PackageParser.Permission p = pkg.permissions.get(i); 5296 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5297 if (bp == null) { 5298 bp = mSettings.mPermissionTrees.get(p.info.name); 5299 } 5300 if (bp != null && bp.perm == p) { 5301 bp.perm = null; 5302 if (DEBUG_REMOVE && chatty) { 5303 if (r == null) { 5304 r = new StringBuilder(256); 5305 } else { 5306 r.append(' '); 5307 } 5308 r.append(p.info.name); 5309 } 5310 } 5311 } 5312 if (r != null) { 5313 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5314 } 5315 5316 N = pkg.instrumentation.size(); 5317 r = null; 5318 for (i=0; i<N; i++) { 5319 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5320 mInstrumentation.remove(a.getComponentName()); 5321 if (DEBUG_REMOVE && chatty) { 5322 if (r == null) { 5323 r = new StringBuilder(256); 5324 } else { 5325 r.append(' '); 5326 } 5327 r.append(a.info.name); 5328 } 5329 } 5330 if (r != null) { 5331 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5332 } 5333 5334 r = null; 5335 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5336 // Only system apps can hold shared libraries. 5337 if (pkg.libraryNames != null) { 5338 for (i=0; i<pkg.libraryNames.size(); i++) { 5339 String name = pkg.libraryNames.get(i); 5340 SharedLibraryEntry cur = mSharedLibraries.get(name); 5341 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5342 mSharedLibraries.remove(name); 5343 if (DEBUG_REMOVE && chatty) { 5344 if (r == null) { 5345 r = new StringBuilder(256); 5346 } else { 5347 r.append(' '); 5348 } 5349 r.append(name); 5350 } 5351 } 5352 } 5353 } 5354 } 5355 if (r != null) { 5356 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5357 } 5358 } 5359 5360 private static final boolean isPackageFilename(String name) { 5361 return name != null && name.endsWith(".apk"); 5362 } 5363 5364 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5365 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5366 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5367 return true; 5368 } 5369 } 5370 return false; 5371 } 5372 5373 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5374 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5375 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5376 5377 private void updatePermissionsLPw(String changingPkg, 5378 PackageParser.Package pkgInfo, int flags) { 5379 // Make sure there are no dangling permission trees. 5380 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5381 while (it.hasNext()) { 5382 final BasePermission bp = it.next(); 5383 if (bp.packageSetting == null) { 5384 // We may not yet have parsed the package, so just see if 5385 // we still know about its settings. 5386 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5387 } 5388 if (bp.packageSetting == null) { 5389 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5390 + " from package " + bp.sourcePackage); 5391 it.remove(); 5392 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5393 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5394 Slog.i(TAG, "Removing old permission tree: " + bp.name 5395 + " from package " + bp.sourcePackage); 5396 flags |= UPDATE_PERMISSIONS_ALL; 5397 it.remove(); 5398 } 5399 } 5400 } 5401 5402 // Make sure all dynamic permissions have been assigned to a package, 5403 // and make sure there are no dangling permissions. 5404 it = mSettings.mPermissions.values().iterator(); 5405 while (it.hasNext()) { 5406 final BasePermission bp = it.next(); 5407 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5408 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5409 + bp.name + " pkg=" + bp.sourcePackage 5410 + " info=" + bp.pendingInfo); 5411 if (bp.packageSetting == null && bp.pendingInfo != null) { 5412 final BasePermission tree = findPermissionTreeLP(bp.name); 5413 if (tree != null && tree.perm != null) { 5414 bp.packageSetting = tree.packageSetting; 5415 bp.perm = new PackageParser.Permission(tree.perm.owner, 5416 new PermissionInfo(bp.pendingInfo)); 5417 bp.perm.info.packageName = tree.perm.info.packageName; 5418 bp.perm.info.name = bp.name; 5419 bp.uid = tree.uid; 5420 } 5421 } 5422 } 5423 if (bp.packageSetting == null) { 5424 // We may not yet have parsed the package, so just see if 5425 // we still know about its settings. 5426 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5427 } 5428 if (bp.packageSetting == null) { 5429 Slog.w(TAG, "Removing dangling permission: " + bp.name 5430 + " from package " + bp.sourcePackage); 5431 it.remove(); 5432 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5433 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5434 Slog.i(TAG, "Removing old permission: " + bp.name 5435 + " from package " + bp.sourcePackage); 5436 flags |= UPDATE_PERMISSIONS_ALL; 5437 it.remove(); 5438 } 5439 } 5440 } 5441 5442 // Now update the permissions for all packages, in particular 5443 // replace the granted permissions of the system packages. 5444 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5445 for (PackageParser.Package pkg : mPackages.values()) { 5446 if (pkg != pkgInfo) { 5447 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5448 } 5449 } 5450 } 5451 5452 if (pkgInfo != null) { 5453 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5454 } 5455 } 5456 5457 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5458 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5459 if (ps == null) { 5460 return; 5461 } 5462 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5463 HashSet<String> origPermissions = gp.grantedPermissions; 5464 boolean changedPermission = false; 5465 5466 if (replace) { 5467 ps.permissionsFixed = false; 5468 if (gp == ps) { 5469 origPermissions = new HashSet<String>(gp.grantedPermissions); 5470 gp.grantedPermissions.clear(); 5471 gp.gids = mGlobalGids; 5472 } 5473 } 5474 5475 if (gp.gids == null) { 5476 gp.gids = mGlobalGids; 5477 } 5478 5479 final int N = pkg.requestedPermissions.size(); 5480 for (int i=0; i<N; i++) { 5481 final String name = pkg.requestedPermissions.get(i); 5482 final boolean required = pkg.requestedPermissionsRequired.get(i); 5483 final BasePermission bp = mSettings.mPermissions.get(name); 5484 if (DEBUG_INSTALL) { 5485 if (gp != ps) { 5486 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5487 } 5488 } 5489 5490 if (bp == null || bp.packageSetting == null) { 5491 Slog.w(TAG, "Unknown permission " + name 5492 + " in package " + pkg.packageName); 5493 continue; 5494 } 5495 5496 final String perm = bp.name; 5497 boolean allowed; 5498 boolean allowedSig = false; 5499 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5500 if (level == PermissionInfo.PROTECTION_NORMAL 5501 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5502 // We grant a normal or dangerous permission if any of the following 5503 // are true: 5504 // 1) The permission is required 5505 // 2) The permission is optional, but was granted in the past 5506 // 3) The permission is optional, but was requested by an 5507 // app in /system (not /data) 5508 // 5509 // Otherwise, reject the permission. 5510 allowed = (required || origPermissions.contains(perm) 5511 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5512 } else if (bp.packageSetting == null) { 5513 // This permission is invalid; skip it. 5514 allowed = false; 5515 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5516 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5517 if (allowed) { 5518 allowedSig = true; 5519 } 5520 } else { 5521 allowed = false; 5522 } 5523 if (DEBUG_INSTALL) { 5524 if (gp != ps) { 5525 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5526 } 5527 } 5528 if (allowed) { 5529 if (!isSystemApp(ps) && ps.permissionsFixed) { 5530 // If this is an existing, non-system package, then 5531 // we can't add any new permissions to it. 5532 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5533 // Except... if this is a permission that was added 5534 // to the platform (note: need to only do this when 5535 // updating the platform). 5536 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5537 } 5538 } 5539 if (allowed) { 5540 if (!gp.grantedPermissions.contains(perm)) { 5541 changedPermission = true; 5542 gp.grantedPermissions.add(perm); 5543 gp.gids = appendInts(gp.gids, bp.gids); 5544 } else if (!ps.haveGids) { 5545 gp.gids = appendInts(gp.gids, bp.gids); 5546 } 5547 } else { 5548 Slog.w(TAG, "Not granting permission " + perm 5549 + " to package " + pkg.packageName 5550 + " because it was previously installed without"); 5551 } 5552 } else { 5553 if (gp.grantedPermissions.remove(perm)) { 5554 changedPermission = true; 5555 gp.gids = removeInts(gp.gids, bp.gids); 5556 Slog.i(TAG, "Un-granting permission " + perm 5557 + " from package " + pkg.packageName 5558 + " (protectionLevel=" + bp.protectionLevel 5559 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5560 + ")"); 5561 } else { 5562 Slog.w(TAG, "Not granting permission " + perm 5563 + " to package " + pkg.packageName 5564 + " (protectionLevel=" + bp.protectionLevel 5565 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5566 + ")"); 5567 } 5568 } 5569 } 5570 5571 if ((changedPermission || replace) && !ps.permissionsFixed && 5572 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5573 // This is the first that we have heard about this package, so the 5574 // permissions we have now selected are fixed until explicitly 5575 // changed. 5576 ps.permissionsFixed = true; 5577 } 5578 ps.haveGids = true; 5579 } 5580 5581 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5582 boolean allowed = false; 5583 final int NP = PackageParser.NEW_PERMISSIONS.length; 5584 for (int ip=0; ip<NP; ip++) { 5585 final PackageParser.NewPermissionInfo npi 5586 = PackageParser.NEW_PERMISSIONS[ip]; 5587 if (npi.name.equals(perm) 5588 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5589 allowed = true; 5590 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5591 + pkg.packageName); 5592 break; 5593 } 5594 } 5595 return allowed; 5596 } 5597 5598 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5599 BasePermission bp, HashSet<String> origPermissions) { 5600 boolean allowed; 5601 allowed = (compareSignatures( 5602 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5603 == PackageManager.SIGNATURE_MATCH) 5604 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5605 == PackageManager.SIGNATURE_MATCH); 5606 if (!allowed && (bp.protectionLevel 5607 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5608 if (isSystemApp(pkg)) { 5609 // For updated system applications, a system permission 5610 // is granted only if it had been defined by the original application. 5611 if (isUpdatedSystemApp(pkg)) { 5612 final PackageSetting sysPs = mSettings 5613 .getDisabledSystemPkgLPr(pkg.packageName); 5614 final GrantedPermissions origGp = sysPs.sharedUser != null 5615 ? sysPs.sharedUser : sysPs; 5616 5617 if (origGp.grantedPermissions.contains(perm)) { 5618 // If the original was granted this permission, we take 5619 // that grant decision as read and propagate it to the 5620 // update. 5621 allowed = true; 5622 } else { 5623 // The system apk may have been updated with an older 5624 // version of the one on the data partition, but which 5625 // granted a new system permission that it didn't have 5626 // before. In this case we do want to allow the app to 5627 // now get the new permission if the ancestral apk is 5628 // privileged to get it. 5629 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5630 for (int j=0; 5631 j<sysPs.pkg.requestedPermissions.size(); j++) { 5632 if (perm.equals( 5633 sysPs.pkg.requestedPermissions.get(j))) { 5634 allowed = true; 5635 break; 5636 } 5637 } 5638 } 5639 } 5640 } else { 5641 allowed = isPrivilegedApp(pkg); 5642 } 5643 } 5644 } 5645 if (!allowed && (bp.protectionLevel 5646 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5647 // For development permissions, a development permission 5648 // is granted only if it was already granted. 5649 allowed = origPermissions.contains(perm); 5650 } 5651 return allowed; 5652 } 5653 5654 final class ActivityIntentResolver 5655 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5656 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5657 boolean defaultOnly, int userId) { 5658 if (!sUserManager.exists(userId)) return null; 5659 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5660 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5661 } 5662 5663 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5664 int userId) { 5665 if (!sUserManager.exists(userId)) return null; 5666 mFlags = flags; 5667 return super.queryIntent(intent, resolvedType, 5668 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5669 } 5670 5671 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5672 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5673 if (!sUserManager.exists(userId)) return null; 5674 if (packageActivities == null) { 5675 return null; 5676 } 5677 mFlags = flags; 5678 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5679 final int N = packageActivities.size(); 5680 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5681 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5682 5683 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5684 for (int i = 0; i < N; ++i) { 5685 intentFilters = packageActivities.get(i).intents; 5686 if (intentFilters != null && intentFilters.size() > 0) { 5687 PackageParser.ActivityIntentInfo[] array = 5688 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5689 intentFilters.toArray(array); 5690 listCut.add(array); 5691 } 5692 } 5693 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5694 } 5695 5696 public final void addActivity(PackageParser.Activity a, String type) { 5697 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5698 mActivities.put(a.getComponentName(), a); 5699 if (DEBUG_SHOW_INFO) 5700 Log.v( 5701 TAG, " " + type + " " + 5702 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5703 if (DEBUG_SHOW_INFO) 5704 Log.v(TAG, " Class=" + a.info.name); 5705 final int NI = a.intents.size(); 5706 for (int j=0; j<NI; j++) { 5707 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5708 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5709 intent.setPriority(0); 5710 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5711 + a.className + " with priority > 0, forcing to 0"); 5712 } 5713 if (DEBUG_SHOW_INFO) { 5714 Log.v(TAG, " IntentFilter:"); 5715 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5716 } 5717 if (!intent.debugCheck()) { 5718 Log.w(TAG, "==> For Activity " + a.info.name); 5719 } 5720 addFilter(intent); 5721 } 5722 } 5723 5724 public final void removeActivity(PackageParser.Activity a, String type) { 5725 mActivities.remove(a.getComponentName()); 5726 if (DEBUG_SHOW_INFO) { 5727 Log.v(TAG, " " + type + " " 5728 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5729 : a.info.name) + ":"); 5730 Log.v(TAG, " Class=" + a.info.name); 5731 } 5732 final int NI = a.intents.size(); 5733 for (int j=0; j<NI; j++) { 5734 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5735 if (DEBUG_SHOW_INFO) { 5736 Log.v(TAG, " IntentFilter:"); 5737 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5738 } 5739 removeFilter(intent); 5740 } 5741 } 5742 5743 @Override 5744 protected boolean allowFilterResult( 5745 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5746 ActivityInfo filterAi = filter.activity.info; 5747 for (int i=dest.size()-1; i>=0; i--) { 5748 ActivityInfo destAi = dest.get(i).activityInfo; 5749 if (destAi.name == filterAi.name 5750 && destAi.packageName == filterAi.packageName) { 5751 return false; 5752 } 5753 } 5754 return true; 5755 } 5756 5757 @Override 5758 protected ActivityIntentInfo[] newArray(int size) { 5759 return new ActivityIntentInfo[size]; 5760 } 5761 5762 @Override 5763 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5764 if (!sUserManager.exists(userId)) return true; 5765 PackageParser.Package p = filter.activity.owner; 5766 if (p != null) { 5767 PackageSetting ps = (PackageSetting)p.mExtras; 5768 if (ps != null) { 5769 // System apps are never considered stopped for purposes of 5770 // filtering, because there may be no way for the user to 5771 // actually re-launch them. 5772 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 5773 && ps.getStopped(userId); 5774 } 5775 } 5776 return false; 5777 } 5778 5779 @Override 5780 protected boolean isPackageForFilter(String packageName, 5781 PackageParser.ActivityIntentInfo info) { 5782 return packageName.equals(info.activity.owner.packageName); 5783 } 5784 5785 @Override 5786 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 5787 int match, int userId) { 5788 if (!sUserManager.exists(userId)) return null; 5789 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 5790 return null; 5791 } 5792 final PackageParser.Activity activity = info.activity; 5793 if (mSafeMode && (activity.info.applicationInfo.flags 5794 &ApplicationInfo.FLAG_SYSTEM) == 0) { 5795 return null; 5796 } 5797 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 5798 if (ps == null) { 5799 return null; 5800 } 5801 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 5802 ps.readUserState(userId), userId); 5803 if (ai == null) { 5804 return null; 5805 } 5806 final ResolveInfo res = new ResolveInfo(); 5807 res.activityInfo = ai; 5808 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 5809 res.filter = info; 5810 } 5811 res.priority = info.getPriority(); 5812 res.preferredOrder = activity.owner.mPreferredOrder; 5813 //System.out.println("Result: " + res.activityInfo.className + 5814 // " = " + res.priority); 5815 res.match = match; 5816 res.isDefault = info.hasDefault; 5817 res.labelRes = info.labelRes; 5818 res.nonLocalizedLabel = info.nonLocalizedLabel; 5819 res.icon = info.icon; 5820 res.system = isSystemApp(res.activityInfo.applicationInfo); 5821 return res; 5822 } 5823 5824 @Override 5825 protected void sortResults(List<ResolveInfo> results) { 5826 Collections.sort(results, mResolvePrioritySorter); 5827 } 5828 5829 @Override 5830 protected void dumpFilter(PrintWriter out, String prefix, 5831 PackageParser.ActivityIntentInfo filter) { 5832 out.print(prefix); out.print( 5833 Integer.toHexString(System.identityHashCode(filter.activity))); 5834 out.print(' '); 5835 filter.activity.printComponentShortName(out); 5836 out.print(" filter "); 5837 out.println(Integer.toHexString(System.identityHashCode(filter))); 5838 } 5839 5840// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 5841// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 5842// final List<ResolveInfo> retList = Lists.newArrayList(); 5843// while (i.hasNext()) { 5844// final ResolveInfo resolveInfo = i.next(); 5845// if (isEnabledLP(resolveInfo.activityInfo)) { 5846// retList.add(resolveInfo); 5847// } 5848// } 5849// return retList; 5850// } 5851 5852 // Keys are String (activity class name), values are Activity. 5853 private final HashMap<ComponentName, PackageParser.Activity> mActivities 5854 = new HashMap<ComponentName, PackageParser.Activity>(); 5855 private int mFlags; 5856 } 5857 5858 private final class ServiceIntentResolver 5859 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 5860 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5861 boolean defaultOnly, int userId) { 5862 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5863 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5864 } 5865 5866 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5867 int userId) { 5868 if (!sUserManager.exists(userId)) return null; 5869 mFlags = flags; 5870 return super.queryIntent(intent, resolvedType, 5871 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5872 } 5873 5874 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5875 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 5876 if (!sUserManager.exists(userId)) return null; 5877 if (packageServices == null) { 5878 return null; 5879 } 5880 mFlags = flags; 5881 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5882 final int N = packageServices.size(); 5883 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 5884 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 5885 5886 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 5887 for (int i = 0; i < N; ++i) { 5888 intentFilters = packageServices.get(i).intents; 5889 if (intentFilters != null && intentFilters.size() > 0) { 5890 PackageParser.ServiceIntentInfo[] array = 5891 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 5892 intentFilters.toArray(array); 5893 listCut.add(array); 5894 } 5895 } 5896 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5897 } 5898 5899 public final void addService(PackageParser.Service s) { 5900 mServices.put(s.getComponentName(), s); 5901 if (DEBUG_SHOW_INFO) { 5902 Log.v(TAG, " " 5903 + (s.info.nonLocalizedLabel != null 5904 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5905 Log.v(TAG, " Class=" + s.info.name); 5906 } 5907 final int NI = s.intents.size(); 5908 int j; 5909 for (j=0; j<NI; j++) { 5910 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5911 if (DEBUG_SHOW_INFO) { 5912 Log.v(TAG, " IntentFilter:"); 5913 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5914 } 5915 if (!intent.debugCheck()) { 5916 Log.w(TAG, "==> For Service " + s.info.name); 5917 } 5918 addFilter(intent); 5919 } 5920 } 5921 5922 public final void removeService(PackageParser.Service s) { 5923 mServices.remove(s.getComponentName()); 5924 if (DEBUG_SHOW_INFO) { 5925 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 5926 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5927 Log.v(TAG, " Class=" + s.info.name); 5928 } 5929 final int NI = s.intents.size(); 5930 int j; 5931 for (j=0; j<NI; j++) { 5932 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5933 if (DEBUG_SHOW_INFO) { 5934 Log.v(TAG, " IntentFilter:"); 5935 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5936 } 5937 removeFilter(intent); 5938 } 5939 } 5940 5941 @Override 5942 protected boolean allowFilterResult( 5943 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 5944 ServiceInfo filterSi = filter.service.info; 5945 for (int i=dest.size()-1; i>=0; i--) { 5946 ServiceInfo destAi = dest.get(i).serviceInfo; 5947 if (destAi.name == filterSi.name 5948 && destAi.packageName == filterSi.packageName) { 5949 return false; 5950 } 5951 } 5952 return true; 5953 } 5954 5955 @Override 5956 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 5957 return new PackageParser.ServiceIntentInfo[size]; 5958 } 5959 5960 @Override 5961 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 5962 if (!sUserManager.exists(userId)) return true; 5963 PackageParser.Package p = filter.service.owner; 5964 if (p != null) { 5965 PackageSetting ps = (PackageSetting)p.mExtras; 5966 if (ps != null) { 5967 // System apps are never considered stopped for purposes of 5968 // filtering, because there may be no way for the user to 5969 // actually re-launch them. 5970 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 5971 && ps.getStopped(userId); 5972 } 5973 } 5974 return false; 5975 } 5976 5977 @Override 5978 protected boolean isPackageForFilter(String packageName, 5979 PackageParser.ServiceIntentInfo info) { 5980 return packageName.equals(info.service.owner.packageName); 5981 } 5982 5983 @Override 5984 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 5985 int match, int userId) { 5986 if (!sUserManager.exists(userId)) return null; 5987 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 5988 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 5989 return null; 5990 } 5991 final PackageParser.Service service = info.service; 5992 if (mSafeMode && (service.info.applicationInfo.flags 5993 &ApplicationInfo.FLAG_SYSTEM) == 0) { 5994 return null; 5995 } 5996 PackageSetting ps = (PackageSetting) service.owner.mExtras; 5997 if (ps == null) { 5998 return null; 5999 } 6000 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6001 ps.readUserState(userId), userId); 6002 if (si == null) { 6003 return null; 6004 } 6005 final ResolveInfo res = new ResolveInfo(); 6006 res.serviceInfo = si; 6007 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6008 res.filter = filter; 6009 } 6010 res.priority = info.getPriority(); 6011 res.preferredOrder = service.owner.mPreferredOrder; 6012 //System.out.println("Result: " + res.activityInfo.className + 6013 // " = " + res.priority); 6014 res.match = match; 6015 res.isDefault = info.hasDefault; 6016 res.labelRes = info.labelRes; 6017 res.nonLocalizedLabel = info.nonLocalizedLabel; 6018 res.icon = info.icon; 6019 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6020 return res; 6021 } 6022 6023 @Override 6024 protected void sortResults(List<ResolveInfo> results) { 6025 Collections.sort(results, mResolvePrioritySorter); 6026 } 6027 6028 @Override 6029 protected void dumpFilter(PrintWriter out, String prefix, 6030 PackageParser.ServiceIntentInfo filter) { 6031 out.print(prefix); out.print( 6032 Integer.toHexString(System.identityHashCode(filter.service))); 6033 out.print(' '); 6034 filter.service.printComponentShortName(out); 6035 out.print(" filter "); 6036 out.println(Integer.toHexString(System.identityHashCode(filter))); 6037 } 6038 6039// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6040// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6041// final List<ResolveInfo> retList = Lists.newArrayList(); 6042// while (i.hasNext()) { 6043// final ResolveInfo resolveInfo = (ResolveInfo) i; 6044// if (isEnabledLP(resolveInfo.serviceInfo)) { 6045// retList.add(resolveInfo); 6046// } 6047// } 6048// return retList; 6049// } 6050 6051 // Keys are String (activity class name), values are Activity. 6052 private final HashMap<ComponentName, PackageParser.Service> mServices 6053 = new HashMap<ComponentName, PackageParser.Service>(); 6054 private int mFlags; 6055 }; 6056 6057 private final class ProviderIntentResolver 6058 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6059 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6060 boolean defaultOnly, int userId) { 6061 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6062 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6063 } 6064 6065 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6066 int userId) { 6067 if (!sUserManager.exists(userId)) 6068 return null; 6069 mFlags = flags; 6070 return super.queryIntent(intent, resolvedType, 6071 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6072 } 6073 6074 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6075 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6076 if (!sUserManager.exists(userId)) 6077 return null; 6078 if (packageProviders == null) { 6079 return null; 6080 } 6081 mFlags = flags; 6082 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6083 final int N = packageProviders.size(); 6084 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6085 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6086 6087 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6088 for (int i = 0; i < N; ++i) { 6089 intentFilters = packageProviders.get(i).intents; 6090 if (intentFilters != null && intentFilters.size() > 0) { 6091 PackageParser.ProviderIntentInfo[] array = 6092 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6093 intentFilters.toArray(array); 6094 listCut.add(array); 6095 } 6096 } 6097 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6098 } 6099 6100 public final void addProvider(PackageParser.Provider p) { 6101 mProviders.put(p.getComponentName(), p); 6102 if (DEBUG_SHOW_INFO) { 6103 Log.v(TAG, " " 6104 + (p.info.nonLocalizedLabel != null 6105 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6106 Log.v(TAG, " Class=" + p.info.name); 6107 } 6108 final int NI = p.intents.size(); 6109 int j; 6110 for (j = 0; j < NI; j++) { 6111 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6112 if (DEBUG_SHOW_INFO) { 6113 Log.v(TAG, " IntentFilter:"); 6114 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6115 } 6116 if (!intent.debugCheck()) { 6117 Log.w(TAG, "==> For Provider " + p.info.name); 6118 } 6119 addFilter(intent); 6120 } 6121 } 6122 6123 public final void removeProvider(PackageParser.Provider p) { 6124 mProviders.remove(p.getComponentName()); 6125 if (DEBUG_SHOW_INFO) { 6126 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6127 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6128 Log.v(TAG, " Class=" + p.info.name); 6129 } 6130 final int NI = p.intents.size(); 6131 int j; 6132 for (j = 0; j < NI; j++) { 6133 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6134 if (DEBUG_SHOW_INFO) { 6135 Log.v(TAG, " IntentFilter:"); 6136 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6137 } 6138 removeFilter(intent); 6139 } 6140 } 6141 6142 @Override 6143 protected boolean allowFilterResult( 6144 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6145 ProviderInfo filterPi = filter.provider.info; 6146 for (int i = dest.size() - 1; i >= 0; i--) { 6147 ProviderInfo destPi = dest.get(i).providerInfo; 6148 if (destPi.name == filterPi.name 6149 && destPi.packageName == filterPi.packageName) { 6150 return false; 6151 } 6152 } 6153 return true; 6154 } 6155 6156 @Override 6157 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6158 return new PackageParser.ProviderIntentInfo[size]; 6159 } 6160 6161 @Override 6162 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6163 if (!sUserManager.exists(userId)) 6164 return true; 6165 PackageParser.Package p = filter.provider.owner; 6166 if (p != null) { 6167 PackageSetting ps = (PackageSetting) p.mExtras; 6168 if (ps != null) { 6169 // System apps are never considered stopped for purposes of 6170 // filtering, because there may be no way for the user to 6171 // actually re-launch them. 6172 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6173 && ps.getStopped(userId); 6174 } 6175 } 6176 return false; 6177 } 6178 6179 @Override 6180 protected boolean isPackageForFilter(String packageName, 6181 PackageParser.ProviderIntentInfo info) { 6182 return packageName.equals(info.provider.owner.packageName); 6183 } 6184 6185 @Override 6186 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6187 int match, int userId) { 6188 if (!sUserManager.exists(userId)) 6189 return null; 6190 final PackageParser.ProviderIntentInfo info = filter; 6191 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6192 return null; 6193 } 6194 final PackageParser.Provider provider = info.provider; 6195 if (mSafeMode && (provider.info.applicationInfo.flags 6196 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6197 return null; 6198 } 6199 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6200 if (ps == null) { 6201 return null; 6202 } 6203 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6204 ps.readUserState(userId), userId); 6205 if (pi == null) { 6206 return null; 6207 } 6208 final ResolveInfo res = new ResolveInfo(); 6209 res.providerInfo = pi; 6210 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6211 res.filter = filter; 6212 } 6213 res.priority = info.getPriority(); 6214 res.preferredOrder = provider.owner.mPreferredOrder; 6215 res.match = match; 6216 res.isDefault = info.hasDefault; 6217 res.labelRes = info.labelRes; 6218 res.nonLocalizedLabel = info.nonLocalizedLabel; 6219 res.icon = info.icon; 6220 res.system = isSystemApp(res.providerInfo.applicationInfo); 6221 return res; 6222 } 6223 6224 @Override 6225 protected void sortResults(List<ResolveInfo> results) { 6226 Collections.sort(results, mResolvePrioritySorter); 6227 } 6228 6229 @Override 6230 protected void dumpFilter(PrintWriter out, String prefix, 6231 PackageParser.ProviderIntentInfo filter) { 6232 out.print(prefix); 6233 out.print( 6234 Integer.toHexString(System.identityHashCode(filter.provider))); 6235 out.print(' '); 6236 filter.provider.printComponentShortName(out); 6237 out.print(" filter "); 6238 out.println(Integer.toHexString(System.identityHashCode(filter))); 6239 } 6240 6241 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6242 = new HashMap<ComponentName, PackageParser.Provider>(); 6243 private int mFlags; 6244 }; 6245 6246 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6247 new Comparator<ResolveInfo>() { 6248 public int compare(ResolveInfo r1, ResolveInfo r2) { 6249 int v1 = r1.priority; 6250 int v2 = r2.priority; 6251 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6252 if (v1 != v2) { 6253 return (v1 > v2) ? -1 : 1; 6254 } 6255 v1 = r1.preferredOrder; 6256 v2 = r2.preferredOrder; 6257 if (v1 != v2) { 6258 return (v1 > v2) ? -1 : 1; 6259 } 6260 if (r1.isDefault != r2.isDefault) { 6261 return r1.isDefault ? -1 : 1; 6262 } 6263 v1 = r1.match; 6264 v2 = r2.match; 6265 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6266 if (v1 != v2) { 6267 return (v1 > v2) ? -1 : 1; 6268 } 6269 if (r1.system != r2.system) { 6270 return r1.system ? -1 : 1; 6271 } 6272 return 0; 6273 } 6274 }; 6275 6276 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6277 new Comparator<ProviderInfo>() { 6278 public int compare(ProviderInfo p1, ProviderInfo p2) { 6279 final int v1 = p1.initOrder; 6280 final int v2 = p2.initOrder; 6281 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6282 } 6283 }; 6284 6285 static final void sendPackageBroadcast(String action, String pkg, 6286 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6287 int[] userIds) { 6288 IActivityManager am = ActivityManagerNative.getDefault(); 6289 if (am != null) { 6290 try { 6291 if (userIds == null) { 6292 userIds = am.getRunningUserIds(); 6293 } 6294 for (int id : userIds) { 6295 final Intent intent = new Intent(action, 6296 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6297 if (extras != null) { 6298 intent.putExtras(extras); 6299 } 6300 if (targetPkg != null) { 6301 intent.setPackage(targetPkg); 6302 } 6303 // Modify the UID when posting to other users 6304 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6305 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6306 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6307 intent.putExtra(Intent.EXTRA_UID, uid); 6308 } 6309 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6310 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6311 if (DEBUG_BROADCASTS) { 6312 RuntimeException here = new RuntimeException("here"); 6313 here.fillInStackTrace(); 6314 Slog.d(TAG, "Sending to user " + id + ": " 6315 + intent.toShortString(false, true, false, false) 6316 + " " + intent.getExtras(), here); 6317 } 6318 am.broadcastIntent(null, intent, null, finishedReceiver, 6319 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6320 finishedReceiver != null, false, id); 6321 } 6322 } catch (RemoteException ex) { 6323 } 6324 } 6325 } 6326 6327 /** 6328 * Check if the external storage media is available. This is true if there 6329 * is a mounted external storage medium or if the external storage is 6330 * emulated. 6331 */ 6332 private boolean isExternalMediaAvailable() { 6333 return mMediaMounted || Environment.isExternalStorageEmulated(); 6334 } 6335 6336 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6337 // writer 6338 synchronized (mPackages) { 6339 if (!isExternalMediaAvailable()) { 6340 // If the external storage is no longer mounted at this point, 6341 // the caller may not have been able to delete all of this 6342 // packages files and can not delete any more. Bail. 6343 return null; 6344 } 6345 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6346 if (lastPackage != null) { 6347 pkgs.remove(lastPackage); 6348 } 6349 if (pkgs.size() > 0) { 6350 return pkgs.get(0); 6351 } 6352 } 6353 return null; 6354 } 6355 6356 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6357 if (false) { 6358 RuntimeException here = new RuntimeException("here"); 6359 here.fillInStackTrace(); 6360 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6361 + " andCode=" + andCode, here); 6362 } 6363 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6364 userId, andCode ? 1 : 0, packageName)); 6365 } 6366 6367 void startCleaningPackages() { 6368 // reader 6369 synchronized (mPackages) { 6370 if (!isExternalMediaAvailable()) { 6371 return; 6372 } 6373 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6374 return; 6375 } 6376 } 6377 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6378 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6379 IActivityManager am = ActivityManagerNative.getDefault(); 6380 if (am != null) { 6381 try { 6382 am.startService(null, intent, null, UserHandle.USER_OWNER); 6383 } catch (RemoteException e) { 6384 } 6385 } 6386 } 6387 6388 private final class AppDirObserver extends FileObserver { 6389 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6390 super(path, mask); 6391 mRootDir = path; 6392 mIsRom = isrom; 6393 mIsPrivileged = isPrivileged; 6394 } 6395 6396 public void onEvent(int event, String path) { 6397 String removedPackage = null; 6398 int removedAppId = -1; 6399 int[] removedUsers = null; 6400 String addedPackage = null; 6401 int addedAppId = -1; 6402 int[] addedUsers = null; 6403 6404 // TODO post a message to the handler to obtain serial ordering 6405 synchronized (mInstallLock) { 6406 String fullPathStr = null; 6407 File fullPath = null; 6408 if (path != null) { 6409 fullPath = new File(mRootDir, path); 6410 fullPathStr = fullPath.getPath(); 6411 } 6412 6413 if (DEBUG_APP_DIR_OBSERVER) 6414 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6415 6416 if (!isPackageFilename(path)) { 6417 if (DEBUG_APP_DIR_OBSERVER) 6418 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6419 return; 6420 } 6421 6422 // Ignore packages that are being installed or 6423 // have just been installed. 6424 if (ignoreCodePath(fullPathStr)) { 6425 return; 6426 } 6427 PackageParser.Package p = null; 6428 PackageSetting ps = null; 6429 // reader 6430 synchronized (mPackages) { 6431 p = mAppDirs.get(fullPathStr); 6432 if (p != null) { 6433 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6434 if (ps != null) { 6435 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6436 } else { 6437 removedUsers = sUserManager.getUserIds(); 6438 } 6439 } 6440 addedUsers = sUserManager.getUserIds(); 6441 } 6442 if ((event&REMOVE_EVENTS) != 0) { 6443 if (ps != null) { 6444 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6445 removePackageLI(ps, true); 6446 removedPackage = ps.name; 6447 removedAppId = ps.appId; 6448 } 6449 } 6450 6451 if ((event&ADD_EVENTS) != 0) { 6452 if (p == null) { 6453 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6454 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6455 if (mIsRom) { 6456 flags |= PackageParser.PARSE_IS_SYSTEM 6457 | PackageParser.PARSE_IS_SYSTEM_DIR; 6458 if (mIsPrivileged) { 6459 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6460 } 6461 } 6462 p = scanPackageLI(fullPath, flags, 6463 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6464 System.currentTimeMillis(), UserHandle.ALL); 6465 if (p != null) { 6466 /* 6467 * TODO this seems dangerous as the package may have 6468 * changed since we last acquired the mPackages 6469 * lock. 6470 */ 6471 // writer 6472 synchronized (mPackages) { 6473 updatePermissionsLPw(p.packageName, p, 6474 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6475 } 6476 addedPackage = p.applicationInfo.packageName; 6477 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6478 } 6479 } 6480 } 6481 6482 // reader 6483 synchronized (mPackages) { 6484 mSettings.writeLPr(); 6485 } 6486 } 6487 6488 if (removedPackage != null) { 6489 Bundle extras = new Bundle(1); 6490 extras.putInt(Intent.EXTRA_UID, removedAppId); 6491 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6492 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6493 extras, null, null, removedUsers); 6494 } 6495 if (addedPackage != null) { 6496 Bundle extras = new Bundle(1); 6497 extras.putInt(Intent.EXTRA_UID, addedAppId); 6498 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6499 extras, null, null, addedUsers); 6500 } 6501 } 6502 6503 private final String mRootDir; 6504 private final boolean mIsRom; 6505 private final boolean mIsPrivileged; 6506 } 6507 6508 /* Called when a downloaded package installation has been confirmed by the user */ 6509 public void installPackage( 6510 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6511 installPackage(packageURI, observer, flags, null); 6512 } 6513 6514 /* Called when a downloaded package installation has been confirmed by the user */ 6515 public void installPackage( 6516 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6517 final String installerPackageName) { 6518 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6519 null, null); 6520 } 6521 6522 @Override 6523 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6524 int flags, String installerPackageName, Uri verificationURI, 6525 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6526 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6527 VerificationParams.NO_UID, manifestDigest); 6528 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6529 installerPackageName, verificationParams, encryptionParams); 6530 } 6531 6532 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6533 IPackageInstallObserver observer, int flags, String installerPackageName, 6534 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6535 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6536 null); 6537 6538 final int uid = Binder.getCallingUid(); 6539 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6540 try { 6541 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6542 } catch (RemoteException re) { 6543 } 6544 return; 6545 } 6546 6547 UserHandle user; 6548 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6549 user = UserHandle.ALL; 6550 } else { 6551 user = new UserHandle(UserHandle.getUserId(uid)); 6552 } 6553 6554 final int filteredFlags; 6555 6556 if (uid == Process.SHELL_UID || uid == 0) { 6557 if (DEBUG_INSTALL) { 6558 Slog.v(TAG, "Install from ADB"); 6559 } 6560 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6561 } else { 6562 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6563 } 6564 6565 verificationParams.setInstallerUid(uid); 6566 6567 final Message msg = mHandler.obtainMessage(INIT_COPY); 6568 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6569 verificationParams, encryptionParams, user); 6570 mHandler.sendMessage(msg); 6571 } 6572 6573 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6574 Bundle extras = new Bundle(1); 6575 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6576 6577 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6578 packageName, extras, null, null, new int[] {userId}); 6579 try { 6580 IActivityManager am = ActivityManagerNative.getDefault(); 6581 final boolean isSystem = 6582 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6583 if (isSystem && am.isUserRunning(userId, false)) { 6584 // The just-installed/enabled app is bundled on the system, so presumed 6585 // to be able to run automatically without needing an explicit launch. 6586 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6587 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6588 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6589 .setPackage(packageName); 6590 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6591 android.app.AppOpsManager.OP_NONE, false, false, userId); 6592 } 6593 } catch (RemoteException e) { 6594 // shouldn't happen 6595 Slog.w(TAG, "Unable to bootstrap installed package", e); 6596 } 6597 } 6598 6599 @Override 6600 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6601 int userId) { 6602 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6603 PackageSetting pkgSetting; 6604 final int uid = Binder.getCallingUid(); 6605 if (UserHandle.getUserId(uid) != userId) { 6606 mContext.enforceCallingOrSelfPermission( 6607 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6608 "setApplicationBlockedSetting for user " + userId); 6609 } 6610 6611 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6612 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6613 return false; 6614 } 6615 6616 long callingId = Binder.clearCallingIdentity(); 6617 try { 6618 boolean sendAdded = false; 6619 boolean sendRemoved = false; 6620 // writer 6621 synchronized (mPackages) { 6622 pkgSetting = mSettings.mPackages.get(packageName); 6623 if (pkgSetting == null) { 6624 return false; 6625 } 6626 if (pkgSetting.getBlocked(userId) != blocked) { 6627 pkgSetting.setBlocked(blocked, userId); 6628 mSettings.writePackageRestrictionsLPr(userId); 6629 if (blocked) { 6630 sendRemoved = true; 6631 } else { 6632 sendAdded = true; 6633 } 6634 } 6635 } 6636 if (sendAdded) { 6637 sendPackageAddedForUser(packageName, pkgSetting, userId); 6638 return true; 6639 } 6640 if (sendRemoved) { 6641 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6642 "blocking pkg"); 6643 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6644 } 6645 } finally { 6646 Binder.restoreCallingIdentity(callingId); 6647 } 6648 return false; 6649 } 6650 6651 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6652 int userId) { 6653 final PackageRemovedInfo info = new PackageRemovedInfo(); 6654 info.removedPackage = packageName; 6655 info.removedUsers = new int[] {userId}; 6656 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6657 info.sendBroadcast(false, false, false); 6658 } 6659 6660 /** 6661 * Returns true if application is not found or there was an error. Otherwise it returns 6662 * the blocked state of the package for the given user. 6663 */ 6664 @Override 6665 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6666 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6667 PackageSetting pkgSetting; 6668 final int uid = Binder.getCallingUid(); 6669 if (UserHandle.getUserId(uid) != userId) { 6670 mContext.enforceCallingPermission( 6671 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6672 "getApplicationBlocked for user " + userId); 6673 } 6674 long callingId = Binder.clearCallingIdentity(); 6675 try { 6676 // writer 6677 synchronized (mPackages) { 6678 pkgSetting = mSettings.mPackages.get(packageName); 6679 if (pkgSetting == null) { 6680 return true; 6681 } 6682 return pkgSetting.getBlocked(userId); 6683 } 6684 } finally { 6685 Binder.restoreCallingIdentity(callingId); 6686 } 6687 } 6688 6689 /** 6690 * @hide 6691 */ 6692 @Override 6693 public int installExistingPackageAsUser(String packageName, int userId) { 6694 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6695 null); 6696 PackageSetting pkgSetting; 6697 final int uid = Binder.getCallingUid(); 6698 if (UserHandle.getUserId(uid) != userId) { 6699 mContext.enforceCallingPermission( 6700 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6701 "installExistingPackage for user " + userId); 6702 } 6703 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6704 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6705 } 6706 6707 long callingId = Binder.clearCallingIdentity(); 6708 try { 6709 boolean sendAdded = false; 6710 Bundle extras = new Bundle(1); 6711 6712 // writer 6713 synchronized (mPackages) { 6714 pkgSetting = mSettings.mPackages.get(packageName); 6715 if (pkgSetting == null) { 6716 return PackageManager.INSTALL_FAILED_INVALID_URI; 6717 } 6718 if (!pkgSetting.getInstalled(userId)) { 6719 pkgSetting.setInstalled(true, userId); 6720 pkgSetting.setBlocked(false, userId); 6721 mSettings.writePackageRestrictionsLPr(userId); 6722 sendAdded = true; 6723 } 6724 } 6725 6726 if (sendAdded) { 6727 sendPackageAddedForUser(packageName, pkgSetting, userId); 6728 } 6729 } finally { 6730 Binder.restoreCallingIdentity(callingId); 6731 } 6732 6733 return PackageManager.INSTALL_SUCCEEDED; 6734 } 6735 6736 private boolean isUserRestricted(int userId, String restrictionKey) { 6737 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6738 if (restrictions.getBoolean(restrictionKey, false)) { 6739 Log.w(TAG, "User is restricted: " + restrictionKey); 6740 return true; 6741 } 6742 return false; 6743 } 6744 6745 @Override 6746 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6747 mContext.enforceCallingOrSelfPermission( 6748 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6749 "Only package verification agents can verify applications"); 6750 6751 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6752 final PackageVerificationResponse response = new PackageVerificationResponse( 6753 verificationCode, Binder.getCallingUid()); 6754 msg.arg1 = id; 6755 msg.obj = response; 6756 mHandler.sendMessage(msg); 6757 } 6758 6759 @Override 6760 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6761 long millisecondsToDelay) { 6762 mContext.enforceCallingOrSelfPermission( 6763 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6764 "Only package verification agents can extend verification timeouts"); 6765 6766 final PackageVerificationState state = mPendingVerification.get(id); 6767 final PackageVerificationResponse response = new PackageVerificationResponse( 6768 verificationCodeAtTimeout, Binder.getCallingUid()); 6769 6770 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 6771 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 6772 } 6773 if (millisecondsToDelay < 0) { 6774 millisecondsToDelay = 0; 6775 } 6776 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 6777 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 6778 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 6779 } 6780 6781 if ((state != null) && !state.timeoutExtended()) { 6782 state.extendTimeout(); 6783 6784 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6785 msg.arg1 = id; 6786 msg.obj = response; 6787 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 6788 } 6789 } 6790 6791 private void broadcastPackageVerified(int verificationId, Uri packageUri, 6792 int verificationCode, UserHandle user) { 6793 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 6794 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 6795 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6796 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 6797 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 6798 6799 mContext.sendBroadcastAsUser(intent, user, 6800 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 6801 } 6802 6803 private ComponentName matchComponentForVerifier(String packageName, 6804 List<ResolveInfo> receivers) { 6805 ActivityInfo targetReceiver = null; 6806 6807 final int NR = receivers.size(); 6808 for (int i = 0; i < NR; i++) { 6809 final ResolveInfo info = receivers.get(i); 6810 if (info.activityInfo == null) { 6811 continue; 6812 } 6813 6814 if (packageName.equals(info.activityInfo.packageName)) { 6815 targetReceiver = info.activityInfo; 6816 break; 6817 } 6818 } 6819 6820 if (targetReceiver == null) { 6821 return null; 6822 } 6823 6824 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 6825 } 6826 6827 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 6828 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 6829 if (pkgInfo.verifiers.length == 0) { 6830 return null; 6831 } 6832 6833 final int N = pkgInfo.verifiers.length; 6834 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 6835 for (int i = 0; i < N; i++) { 6836 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 6837 6838 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 6839 receivers); 6840 if (comp == null) { 6841 continue; 6842 } 6843 6844 final int verifierUid = getUidForVerifier(verifierInfo); 6845 if (verifierUid == -1) { 6846 continue; 6847 } 6848 6849 if (DEBUG_VERIFY) { 6850 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 6851 + " with the correct signature"); 6852 } 6853 sufficientVerifiers.add(comp); 6854 verificationState.addSufficientVerifier(verifierUid); 6855 } 6856 6857 return sufficientVerifiers; 6858 } 6859 6860 private int getUidForVerifier(VerifierInfo verifierInfo) { 6861 synchronized (mPackages) { 6862 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 6863 if (pkg == null) { 6864 return -1; 6865 } else if (pkg.mSignatures.length != 1) { 6866 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 6867 + " has more than one signature; ignoring"); 6868 return -1; 6869 } 6870 6871 /* 6872 * If the public key of the package's signature does not match 6873 * our expected public key, then this is a different package and 6874 * we should skip. 6875 */ 6876 6877 final byte[] expectedPublicKey; 6878 try { 6879 final Signature verifierSig = pkg.mSignatures[0]; 6880 final PublicKey publicKey = verifierSig.getPublicKey(); 6881 expectedPublicKey = publicKey.getEncoded(); 6882 } catch (CertificateException e) { 6883 return -1; 6884 } 6885 6886 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 6887 6888 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 6889 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 6890 + " does not have the expected public key; ignoring"); 6891 return -1; 6892 } 6893 6894 return pkg.applicationInfo.uid; 6895 } 6896 } 6897 6898 public void finishPackageInstall(int token) { 6899 enforceSystemOrRoot("Only the system is allowed to finish installs"); 6900 6901 if (DEBUG_INSTALL) { 6902 Slog.v(TAG, "BM finishing package install for " + token); 6903 } 6904 6905 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 6906 mHandler.sendMessage(msg); 6907 } 6908 6909 /** 6910 * Get the verification agent timeout. 6911 * 6912 * @return verification timeout in milliseconds 6913 */ 6914 private long getVerificationTimeout() { 6915 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 6916 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 6917 DEFAULT_VERIFICATION_TIMEOUT); 6918 } 6919 6920 /** 6921 * Get the default verification agent response code. 6922 * 6923 * @return default verification response code 6924 */ 6925 private int getDefaultVerificationResponse() { 6926 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6927 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 6928 DEFAULT_VERIFICATION_RESPONSE); 6929 } 6930 6931 /** 6932 * Check whether or not package verification has been enabled. 6933 * 6934 * @return true if verification should be performed 6935 */ 6936 private boolean isVerificationEnabled(int flags) { 6937 if (!DEFAULT_VERIFY_ENABLE) { 6938 return false; 6939 } 6940 6941 // Check if installing from ADB 6942 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 6943 // Do not run verification in a test harness environment 6944 if (ActivityManager.isRunningInTestHarness()) { 6945 return false; 6946 } 6947 // Check if the developer does not want package verification for ADB installs 6948 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6949 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 6950 return false; 6951 } 6952 } 6953 6954 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6955 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 6956 } 6957 6958 /** 6959 * Get the "allow unknown sources" setting. 6960 * 6961 * @return the current "allow unknown sources" setting 6962 */ 6963 private int getUnknownSourcesSettings() { 6964 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6965 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 6966 -1); 6967 } 6968 6969 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 6970 final int uid = Binder.getCallingUid(); 6971 // writer 6972 synchronized (mPackages) { 6973 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 6974 if (targetPackageSetting == null) { 6975 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 6976 } 6977 6978 PackageSetting installerPackageSetting; 6979 if (installerPackageName != null) { 6980 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 6981 if (installerPackageSetting == null) { 6982 throw new IllegalArgumentException("Unknown installer package: " 6983 + installerPackageName); 6984 } 6985 } else { 6986 installerPackageSetting = null; 6987 } 6988 6989 Signature[] callerSignature; 6990 Object obj = mSettings.getUserIdLPr(uid); 6991 if (obj != null) { 6992 if (obj instanceof SharedUserSetting) { 6993 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 6994 } else if (obj instanceof PackageSetting) { 6995 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 6996 } else { 6997 throw new SecurityException("Bad object " + obj + " for uid " + uid); 6998 } 6999 } else { 7000 throw new SecurityException("Unknown calling uid " + uid); 7001 } 7002 7003 // Verify: can't set installerPackageName to a package that is 7004 // not signed with the same cert as the caller. 7005 if (installerPackageSetting != null) { 7006 if (compareSignatures(callerSignature, 7007 installerPackageSetting.signatures.mSignatures) 7008 != PackageManager.SIGNATURE_MATCH) { 7009 throw new SecurityException( 7010 "Caller does not have same cert as new installer package " 7011 + installerPackageName); 7012 } 7013 } 7014 7015 // Verify: if target already has an installer package, it must 7016 // be signed with the same cert as the caller. 7017 if (targetPackageSetting.installerPackageName != null) { 7018 PackageSetting setting = mSettings.mPackages.get( 7019 targetPackageSetting.installerPackageName); 7020 // If the currently set package isn't valid, then it's always 7021 // okay to change it. 7022 if (setting != null) { 7023 if (compareSignatures(callerSignature, 7024 setting.signatures.mSignatures) 7025 != PackageManager.SIGNATURE_MATCH) { 7026 throw new SecurityException( 7027 "Caller does not have same cert as old installer package " 7028 + targetPackageSetting.installerPackageName); 7029 } 7030 } 7031 } 7032 7033 // Okay! 7034 targetPackageSetting.installerPackageName = installerPackageName; 7035 scheduleWriteSettingsLocked(); 7036 } 7037 } 7038 7039 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7040 // Queue up an async operation since the package installation may take a little while. 7041 mHandler.post(new Runnable() { 7042 public void run() { 7043 mHandler.removeCallbacks(this); 7044 // Result object to be returned 7045 PackageInstalledInfo res = new PackageInstalledInfo(); 7046 res.returnCode = currentStatus; 7047 res.uid = -1; 7048 res.pkg = null; 7049 res.removedInfo = new PackageRemovedInfo(); 7050 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7051 args.doPreInstall(res.returnCode); 7052 synchronized (mInstallLock) { 7053 installPackageLI(args, true, res); 7054 } 7055 args.doPostInstall(res.returnCode, res.uid); 7056 } 7057 7058 // A restore should be performed at this point if (a) the install 7059 // succeeded, (b) the operation is not an update, and (c) the new 7060 // package has a backupAgent defined. 7061 final boolean update = res.removedInfo.removedPackage != null; 7062 boolean doRestore = (!update 7063 && res.pkg != null 7064 && res.pkg.applicationInfo.backupAgentName != null); 7065 7066 // Set up the post-install work request bookkeeping. This will be used 7067 // and cleaned up by the post-install event handling regardless of whether 7068 // there's a restore pass performed. Token values are >= 1. 7069 int token; 7070 if (mNextInstallToken < 0) mNextInstallToken = 1; 7071 token = mNextInstallToken++; 7072 7073 PostInstallData data = new PostInstallData(args, res); 7074 mRunningInstalls.put(token, data); 7075 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7076 7077 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7078 // Pass responsibility to the Backup Manager. It will perform a 7079 // restore if appropriate, then pass responsibility back to the 7080 // Package Manager to run the post-install observer callbacks 7081 // and broadcasts. 7082 IBackupManager bm = IBackupManager.Stub.asInterface( 7083 ServiceManager.getService(Context.BACKUP_SERVICE)); 7084 if (bm != null) { 7085 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7086 + " to BM for possible restore"); 7087 try { 7088 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7089 } catch (RemoteException e) { 7090 // can't happen; the backup manager is local 7091 } catch (Exception e) { 7092 Slog.e(TAG, "Exception trying to enqueue restore", e); 7093 doRestore = false; 7094 } 7095 } else { 7096 Slog.e(TAG, "Backup Manager not found!"); 7097 doRestore = false; 7098 } 7099 } 7100 7101 if (!doRestore) { 7102 // No restore possible, or the Backup Manager was mysteriously not 7103 // available -- just fire the post-install work request directly. 7104 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7105 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7106 mHandler.sendMessage(msg); 7107 } 7108 } 7109 }); 7110 } 7111 7112 private abstract class HandlerParams { 7113 private static final int MAX_RETRIES = 4; 7114 7115 /** 7116 * Number of times startCopy() has been attempted and had a non-fatal 7117 * error. 7118 */ 7119 private int mRetries = 0; 7120 7121 /** User handle for the user requesting the information or installation. */ 7122 private final UserHandle mUser; 7123 7124 HandlerParams(UserHandle user) { 7125 mUser = user; 7126 } 7127 7128 UserHandle getUser() { 7129 return mUser; 7130 } 7131 7132 final boolean startCopy() { 7133 boolean res; 7134 try { 7135 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7136 7137 if (++mRetries > MAX_RETRIES) { 7138 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7139 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7140 handleServiceError(); 7141 return false; 7142 } else { 7143 handleStartCopy(); 7144 res = true; 7145 } 7146 } catch (RemoteException e) { 7147 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7148 mHandler.sendEmptyMessage(MCS_RECONNECT); 7149 res = false; 7150 } 7151 handleReturnCode(); 7152 return res; 7153 } 7154 7155 final void serviceError() { 7156 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7157 handleServiceError(); 7158 handleReturnCode(); 7159 } 7160 7161 abstract void handleStartCopy() throws RemoteException; 7162 abstract void handleServiceError(); 7163 abstract void handleReturnCode(); 7164 } 7165 7166 class MeasureParams extends HandlerParams { 7167 private final PackageStats mStats; 7168 private boolean mSuccess; 7169 7170 private final IPackageStatsObserver mObserver; 7171 7172 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7173 super(new UserHandle(stats.userHandle)); 7174 mObserver = observer; 7175 mStats = stats; 7176 } 7177 7178 @Override 7179 public String toString() { 7180 return "MeasureParams{" 7181 + Integer.toHexString(System.identityHashCode(this)) 7182 + " " + mStats.packageName + "}"; 7183 } 7184 7185 @Override 7186 void handleStartCopy() throws RemoteException { 7187 synchronized (mInstallLock) { 7188 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7189 } 7190 7191 final boolean mounted; 7192 if (Environment.isExternalStorageEmulated()) { 7193 mounted = true; 7194 } else { 7195 final String status = Environment.getExternalStorageState(); 7196 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7197 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7198 } 7199 7200 if (mounted) { 7201 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7202 7203 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7204 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7205 7206 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7207 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7208 7209 // Always subtract cache size, since it's a subdirectory 7210 mStats.externalDataSize -= mStats.externalCacheSize; 7211 7212 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7213 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7214 7215 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7216 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7217 } 7218 } 7219 7220 @Override 7221 void handleReturnCode() { 7222 if (mObserver != null) { 7223 try { 7224 mObserver.onGetStatsCompleted(mStats, mSuccess); 7225 } catch (RemoteException e) { 7226 Slog.i(TAG, "Observer no longer exists."); 7227 } 7228 } 7229 } 7230 7231 @Override 7232 void handleServiceError() { 7233 Slog.e(TAG, "Could not measure application " + mStats.packageName 7234 + " external storage"); 7235 } 7236 } 7237 7238 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7239 throws RemoteException { 7240 long result = 0; 7241 for (File path : paths) { 7242 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7243 } 7244 return result; 7245 } 7246 7247 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7248 for (File path : paths) { 7249 try { 7250 mcs.clearDirectory(path.getAbsolutePath()); 7251 } catch (RemoteException e) { 7252 } 7253 } 7254 } 7255 7256 class InstallParams extends HandlerParams { 7257 final IPackageInstallObserver observer; 7258 int flags; 7259 7260 private final Uri mPackageURI; 7261 final String installerPackageName; 7262 final VerificationParams verificationParams; 7263 private InstallArgs mArgs; 7264 private int mRet; 7265 private File mTempPackage; 7266 final ContainerEncryptionParams encryptionParams; 7267 7268 InstallParams(Uri packageURI, 7269 IPackageInstallObserver observer, int flags, 7270 String installerPackageName, VerificationParams verificationParams, 7271 ContainerEncryptionParams encryptionParams, UserHandle user) { 7272 super(user); 7273 this.mPackageURI = packageURI; 7274 this.flags = flags; 7275 this.observer = observer; 7276 this.installerPackageName = installerPackageName; 7277 this.verificationParams = verificationParams; 7278 this.encryptionParams = encryptionParams; 7279 } 7280 7281 @Override 7282 public String toString() { 7283 return "InstallParams{" 7284 + Integer.toHexString(System.identityHashCode(this)) 7285 + " " + mPackageURI + "}"; 7286 } 7287 7288 public ManifestDigest getManifestDigest() { 7289 if (verificationParams == null) { 7290 return null; 7291 } 7292 return verificationParams.getManifestDigest(); 7293 } 7294 7295 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7296 String packageName = pkgLite.packageName; 7297 int installLocation = pkgLite.installLocation; 7298 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7299 // reader 7300 synchronized (mPackages) { 7301 PackageParser.Package pkg = mPackages.get(packageName); 7302 if (pkg != null) { 7303 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7304 // Check for downgrading. 7305 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7306 if (pkgLite.versionCode < pkg.mVersionCode) { 7307 Slog.w(TAG, "Can't install update of " + packageName 7308 + " update version " + pkgLite.versionCode 7309 + " is older than installed version " 7310 + pkg.mVersionCode); 7311 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7312 } 7313 } 7314 // Check for updated system application. 7315 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7316 if (onSd) { 7317 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7318 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7319 } 7320 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7321 } else { 7322 if (onSd) { 7323 // Install flag overrides everything. 7324 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7325 } 7326 // If current upgrade specifies particular preference 7327 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7328 // Application explicitly specified internal. 7329 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7330 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7331 // App explictly prefers external. Let policy decide 7332 } else { 7333 // Prefer previous location 7334 if (isExternal(pkg)) { 7335 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7336 } 7337 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7338 } 7339 } 7340 } else { 7341 // Invalid install. Return error code 7342 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7343 } 7344 } 7345 } 7346 // All the special cases have been taken care of. 7347 // Return result based on recommended install location. 7348 if (onSd) { 7349 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7350 } 7351 return pkgLite.recommendedInstallLocation; 7352 } 7353 7354 private long getMemoryLowThreshold() { 7355 final DeviceStorageMonitorInternal 7356 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7357 if (dsm == null) { 7358 return 0L; 7359 } 7360 return dsm.getMemoryLowThreshold(); 7361 } 7362 7363 /* 7364 * Invoke remote method to get package information and install 7365 * location values. Override install location based on default 7366 * policy if needed and then create install arguments based 7367 * on the install location. 7368 */ 7369 public void handleStartCopy() throws RemoteException { 7370 int ret = PackageManager.INSTALL_SUCCEEDED; 7371 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7372 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7373 PackageInfoLite pkgLite = null; 7374 7375 if (onInt && onSd) { 7376 // Check if both bits are set. 7377 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7378 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7379 } else { 7380 final long lowThreshold = getMemoryLowThreshold(); 7381 if (lowThreshold == 0L) { 7382 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7383 } 7384 7385 try { 7386 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7387 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7388 7389 final File packageFile; 7390 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7391 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7392 if (mTempPackage != null) { 7393 ParcelFileDescriptor out; 7394 try { 7395 out = ParcelFileDescriptor.open(mTempPackage, 7396 ParcelFileDescriptor.MODE_READ_WRITE); 7397 } catch (FileNotFoundException e) { 7398 out = null; 7399 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7400 } 7401 7402 // Make a temporary file for decryption. 7403 ret = mContainerService 7404 .copyResource(mPackageURI, encryptionParams, out); 7405 IoUtils.closeQuietly(out); 7406 7407 packageFile = mTempPackage; 7408 7409 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7410 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7411 | FileUtils.S_IROTH, 7412 -1, -1); 7413 } else { 7414 packageFile = null; 7415 } 7416 } else { 7417 packageFile = new File(mPackageURI.getPath()); 7418 } 7419 7420 if (packageFile != null) { 7421 // Remote call to find out default install location 7422 final String packageFilePath = packageFile.getAbsolutePath(); 7423 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7424 lowThreshold); 7425 7426 /* 7427 * If we have too little free space, try to free cache 7428 * before giving up. 7429 */ 7430 if (pkgLite.recommendedInstallLocation 7431 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7432 final long size = mContainerService.calculateInstalledSize( 7433 packageFilePath, isForwardLocked()); 7434 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7435 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7436 flags, lowThreshold); 7437 } 7438 /* 7439 * The cache free must have deleted the file we 7440 * downloaded to install. 7441 * 7442 * TODO: fix the "freeCache" call to not delete 7443 * the file we care about. 7444 */ 7445 if (pkgLite.recommendedInstallLocation 7446 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7447 pkgLite.recommendedInstallLocation 7448 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7449 } 7450 } 7451 } 7452 } finally { 7453 mContext.revokeUriPermission(mPackageURI, 7454 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7455 } 7456 } 7457 7458 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7459 int loc = pkgLite.recommendedInstallLocation; 7460 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7461 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7462 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7463 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7464 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7465 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7466 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7467 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7468 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7469 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7470 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7471 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7472 } else { 7473 // Override with defaults if needed. 7474 loc = installLocationPolicy(pkgLite, flags); 7475 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7476 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7477 } else if (!onSd && !onInt) { 7478 // Override install location with flags 7479 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7480 // Set the flag to install on external media. 7481 flags |= PackageManager.INSTALL_EXTERNAL; 7482 flags &= ~PackageManager.INSTALL_INTERNAL; 7483 } else { 7484 // Make sure the flag for installing on external 7485 // media is unset 7486 flags |= PackageManager.INSTALL_INTERNAL; 7487 flags &= ~PackageManager.INSTALL_EXTERNAL; 7488 } 7489 } 7490 } 7491 } 7492 7493 final InstallArgs args = createInstallArgs(this); 7494 mArgs = args; 7495 7496 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7497 /* 7498 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7499 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7500 */ 7501 int userIdentifier = getUser().getIdentifier(); 7502 if (userIdentifier == UserHandle.USER_ALL 7503 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7504 userIdentifier = UserHandle.USER_OWNER; 7505 } 7506 7507 /* 7508 * Determine if we have any installed package verifiers. If we 7509 * do, then we'll defer to them to verify the packages. 7510 */ 7511 final int requiredUid = mRequiredVerifierPackage == null ? -1 7512 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7513 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7514 final Intent verification = new Intent( 7515 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7516 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7517 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7518 7519 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7520 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7521 0 /* TODO: Which userId? */); 7522 7523 if (DEBUG_VERIFY) { 7524 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7525 + verification.toString() + " with " + pkgLite.verifiers.length 7526 + " optional verifiers"); 7527 } 7528 7529 final int verificationId = mPendingVerificationToken++; 7530 7531 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7532 7533 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7534 installerPackageName); 7535 7536 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7537 7538 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7539 pkgLite.packageName); 7540 7541 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7542 pkgLite.versionCode); 7543 7544 if (verificationParams != null) { 7545 if (verificationParams.getVerificationURI() != null) { 7546 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7547 verificationParams.getVerificationURI()); 7548 } 7549 if (verificationParams.getOriginatingURI() != null) { 7550 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7551 verificationParams.getOriginatingURI()); 7552 } 7553 if (verificationParams.getReferrer() != null) { 7554 verification.putExtra(Intent.EXTRA_REFERRER, 7555 verificationParams.getReferrer()); 7556 } 7557 if (verificationParams.getOriginatingUid() >= 0) { 7558 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7559 verificationParams.getOriginatingUid()); 7560 } 7561 if (verificationParams.getInstallerUid() >= 0) { 7562 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7563 verificationParams.getInstallerUid()); 7564 } 7565 } 7566 7567 final PackageVerificationState verificationState = new PackageVerificationState( 7568 requiredUid, args); 7569 7570 mPendingVerification.append(verificationId, verificationState); 7571 7572 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7573 receivers, verificationState); 7574 7575 /* 7576 * If any sufficient verifiers were listed in the package 7577 * manifest, attempt to ask them. 7578 */ 7579 if (sufficientVerifiers != null) { 7580 final int N = sufficientVerifiers.size(); 7581 if (N == 0) { 7582 Slog.i(TAG, "Additional verifiers required, but none installed."); 7583 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7584 } else { 7585 for (int i = 0; i < N; i++) { 7586 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7587 7588 final Intent sufficientIntent = new Intent(verification); 7589 sufficientIntent.setComponent(verifierComponent); 7590 7591 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7592 } 7593 } 7594 } 7595 7596 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7597 mRequiredVerifierPackage, receivers); 7598 if (ret == PackageManager.INSTALL_SUCCEEDED 7599 && mRequiredVerifierPackage != null) { 7600 /* 7601 * Send the intent to the required verification agent, 7602 * but only start the verification timeout after the 7603 * target BroadcastReceivers have run. 7604 */ 7605 verification.setComponent(requiredVerifierComponent); 7606 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7607 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7608 new BroadcastReceiver() { 7609 @Override 7610 public void onReceive(Context context, Intent intent) { 7611 final Message msg = mHandler 7612 .obtainMessage(CHECK_PENDING_VERIFICATION); 7613 msg.arg1 = verificationId; 7614 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7615 } 7616 }, null, 0, null, null); 7617 7618 /* 7619 * We don't want the copy to proceed until verification 7620 * succeeds, so null out this field. 7621 */ 7622 mArgs = null; 7623 } 7624 } else { 7625 /* 7626 * No package verification is enabled, so immediately start 7627 * the remote call to initiate copy using temporary file. 7628 */ 7629 ret = args.copyApk(mContainerService, true); 7630 } 7631 } 7632 7633 mRet = ret; 7634 } 7635 7636 @Override 7637 void handleReturnCode() { 7638 // If mArgs is null, then MCS couldn't be reached. When it 7639 // reconnects, it will try again to install. At that point, this 7640 // will succeed. 7641 if (mArgs != null) { 7642 processPendingInstall(mArgs, mRet); 7643 7644 if (mTempPackage != null) { 7645 if (!mTempPackage.delete()) { 7646 Slog.w(TAG, "Couldn't delete temporary file: " + 7647 mTempPackage.getAbsolutePath()); 7648 } 7649 } 7650 } 7651 } 7652 7653 @Override 7654 void handleServiceError() { 7655 mArgs = createInstallArgs(this); 7656 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7657 } 7658 7659 public boolean isForwardLocked() { 7660 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7661 } 7662 7663 public Uri getPackageUri() { 7664 if (mTempPackage != null) { 7665 return Uri.fromFile(mTempPackage); 7666 } else { 7667 return mPackageURI; 7668 } 7669 } 7670 } 7671 7672 /* 7673 * Utility class used in movePackage api. 7674 * srcArgs and targetArgs are not set for invalid flags and make 7675 * sure to do null checks when invoking methods on them. 7676 * We probably want to return ErrorPrams for both failed installs 7677 * and moves. 7678 */ 7679 class MoveParams extends HandlerParams { 7680 final IPackageMoveObserver observer; 7681 final int flags; 7682 final String packageName; 7683 final InstallArgs srcArgs; 7684 final InstallArgs targetArgs; 7685 int uid; 7686 int mRet; 7687 7688 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7689 String packageName, String dataDir, int uid, UserHandle user) { 7690 super(user); 7691 this.srcArgs = srcArgs; 7692 this.observer = observer; 7693 this.flags = flags; 7694 this.packageName = packageName; 7695 this.uid = uid; 7696 if (srcArgs != null) { 7697 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7698 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7699 } else { 7700 targetArgs = null; 7701 } 7702 } 7703 7704 @Override 7705 public String toString() { 7706 return "MoveParams{" 7707 + Integer.toHexString(System.identityHashCode(this)) 7708 + " " + packageName + "}"; 7709 } 7710 7711 public void handleStartCopy() throws RemoteException { 7712 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7713 // Check for storage space on target medium 7714 if (!targetArgs.checkFreeStorage(mContainerService)) { 7715 Log.w(TAG, "Insufficient storage to install"); 7716 return; 7717 } 7718 7719 mRet = srcArgs.doPreCopy(); 7720 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7721 return; 7722 } 7723 7724 mRet = targetArgs.copyApk(mContainerService, false); 7725 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7726 srcArgs.doPostCopy(uid); 7727 return; 7728 } 7729 7730 mRet = srcArgs.doPostCopy(uid); 7731 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7732 return; 7733 } 7734 7735 mRet = targetArgs.doPreInstall(mRet); 7736 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7737 return; 7738 } 7739 7740 if (DEBUG_SD_INSTALL) { 7741 StringBuilder builder = new StringBuilder(); 7742 if (srcArgs != null) { 7743 builder.append("src: "); 7744 builder.append(srcArgs.getCodePath()); 7745 } 7746 if (targetArgs != null) { 7747 builder.append(" target : "); 7748 builder.append(targetArgs.getCodePath()); 7749 } 7750 Log.i(TAG, builder.toString()); 7751 } 7752 } 7753 7754 @Override 7755 void handleReturnCode() { 7756 targetArgs.doPostInstall(mRet, uid); 7757 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7758 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7759 currentStatus = PackageManager.MOVE_SUCCEEDED; 7760 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7761 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7762 } 7763 processPendingMove(this, currentStatus); 7764 } 7765 7766 @Override 7767 void handleServiceError() { 7768 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7769 } 7770 } 7771 7772 /** 7773 * Used during creation of InstallArgs 7774 * 7775 * @param flags package installation flags 7776 * @return true if should be installed on external storage 7777 */ 7778 private static boolean installOnSd(int flags) { 7779 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 7780 return false; 7781 } 7782 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 7783 return true; 7784 } 7785 return false; 7786 } 7787 7788 /** 7789 * Used during creation of InstallArgs 7790 * 7791 * @param flags package installation flags 7792 * @return true if should be installed as forward locked 7793 */ 7794 private static boolean installForwardLocked(int flags) { 7795 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7796 } 7797 7798 private InstallArgs createInstallArgs(InstallParams params) { 7799 if (installOnSd(params.flags) || params.isForwardLocked()) { 7800 return new AsecInstallArgs(params); 7801 } else { 7802 return new FileInstallArgs(params); 7803 } 7804 } 7805 7806 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 7807 String nativeLibraryPath) { 7808 final boolean isInAsec; 7809 if (installOnSd(flags)) { 7810 /* Apps on SD card are always in ASEC containers. */ 7811 isInAsec = true; 7812 } else if (installForwardLocked(flags) 7813 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 7814 /* 7815 * Forward-locked apps are only in ASEC containers if they're the 7816 * new style 7817 */ 7818 isInAsec = true; 7819 } else { 7820 isInAsec = false; 7821 } 7822 7823 if (isInAsec) { 7824 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 7825 installOnSd(flags), installForwardLocked(flags)); 7826 } else { 7827 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 7828 } 7829 } 7830 7831 // Used by package mover 7832 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 7833 if (installOnSd(flags) || installForwardLocked(flags)) { 7834 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 7835 + AsecInstallArgs.RES_FILE_NAME); 7836 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 7837 installForwardLocked(flags)); 7838 } else { 7839 return new FileInstallArgs(packageURI, pkgName, dataDir); 7840 } 7841 } 7842 7843 static abstract class InstallArgs { 7844 final IPackageInstallObserver observer; 7845 // Always refers to PackageManager flags only 7846 final int flags; 7847 final Uri packageURI; 7848 final String installerPackageName; 7849 final ManifestDigest manifestDigest; 7850 final UserHandle user; 7851 7852 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 7853 String installerPackageName, ManifestDigest manifestDigest, 7854 UserHandle user) { 7855 this.packageURI = packageURI; 7856 this.flags = flags; 7857 this.observer = observer; 7858 this.installerPackageName = installerPackageName; 7859 this.manifestDigest = manifestDigest; 7860 this.user = user; 7861 } 7862 7863 abstract void createCopyFile(); 7864 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 7865 abstract int doPreInstall(int status); 7866 abstract boolean doRename(int status, String pkgName, String oldCodePath); 7867 7868 abstract int doPostInstall(int status, int uid); 7869 abstract String getCodePath(); 7870 abstract String getResourcePath(); 7871 abstract String getNativeLibraryPath(); 7872 // Need installer lock especially for dex file removal. 7873 abstract void cleanUpResourcesLI(); 7874 abstract boolean doPostDeleteLI(boolean delete); 7875 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 7876 7877 /** 7878 * Called before the source arguments are copied. This is used mostly 7879 * for MoveParams when it needs to read the source file to put it in the 7880 * destination. 7881 */ 7882 int doPreCopy() { 7883 return PackageManager.INSTALL_SUCCEEDED; 7884 } 7885 7886 /** 7887 * Called after the source arguments are copied. This is used mostly for 7888 * MoveParams when it needs to read the source file to put it in the 7889 * destination. 7890 * 7891 * @return 7892 */ 7893 int doPostCopy(int uid) { 7894 return PackageManager.INSTALL_SUCCEEDED; 7895 } 7896 7897 protected boolean isFwdLocked() { 7898 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7899 } 7900 7901 UserHandle getUser() { 7902 return user; 7903 } 7904 } 7905 7906 class FileInstallArgs extends InstallArgs { 7907 File installDir; 7908 String codeFileName; 7909 String resourceFileName; 7910 String libraryPath; 7911 boolean created = false; 7912 7913 FileInstallArgs(InstallParams params) { 7914 super(params.getPackageUri(), params.observer, params.flags, 7915 params.installerPackageName, params.getManifestDigest(), 7916 params.getUser()); 7917 } 7918 7919 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 7920 super(null, null, 0, null, null, null); 7921 File codeFile = new File(fullCodePath); 7922 installDir = codeFile.getParentFile(); 7923 codeFileName = fullCodePath; 7924 resourceFileName = fullResourcePath; 7925 libraryPath = nativeLibraryPath; 7926 } 7927 7928 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 7929 super(packageURI, null, 0, null, null, null); 7930 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 7931 String apkName = getNextCodePath(null, pkgName, ".apk"); 7932 codeFileName = new File(installDir, apkName + ".apk").getPath(); 7933 resourceFileName = getResourcePathFromCodePath(); 7934 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 7935 } 7936 7937 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 7938 final long lowThreshold; 7939 7940 final DeviceStorageMonitorInternal 7941 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7942 if (dsm == null) { 7943 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7944 lowThreshold = 0L; 7945 } else { 7946 if (dsm.isMemoryLow()) { 7947 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 7948 return false; 7949 } 7950 7951 lowThreshold = dsm.getMemoryLowThreshold(); 7952 } 7953 7954 try { 7955 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 7956 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7957 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 7958 } finally { 7959 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 7960 } 7961 } 7962 7963 String getCodePath() { 7964 return codeFileName; 7965 } 7966 7967 void createCopyFile() { 7968 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 7969 codeFileName = createTempPackageFile(installDir).getPath(); 7970 resourceFileName = getResourcePathFromCodePath(); 7971 libraryPath = getLibraryPathFromCodePath(); 7972 created = true; 7973 } 7974 7975 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 7976 if (temp) { 7977 // Generate temp file name 7978 createCopyFile(); 7979 } 7980 // Get a ParcelFileDescriptor to write to the output file 7981 File codeFile = new File(codeFileName); 7982 if (!created) { 7983 try { 7984 codeFile.createNewFile(); 7985 // Set permissions 7986 if (!setPermissions()) { 7987 // Failed setting permissions. 7988 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7989 } 7990 } catch (IOException e) { 7991 Slog.w(TAG, "Failed to create file " + codeFile); 7992 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7993 } 7994 } 7995 ParcelFileDescriptor out = null; 7996 try { 7997 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 7998 } catch (FileNotFoundException e) { 7999 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8000 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8001 } 8002 // Copy the resource now 8003 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8004 try { 8005 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8006 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8007 ret = imcs.copyResource(packageURI, null, out); 8008 } finally { 8009 IoUtils.closeQuietly(out); 8010 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8011 } 8012 8013 if (isFwdLocked()) { 8014 final File destResourceFile = new File(getResourcePath()); 8015 8016 // Copy the public files 8017 try { 8018 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8019 } catch (IOException e) { 8020 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8021 + " forward-locked app."); 8022 destResourceFile.delete(); 8023 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8024 } 8025 } 8026 8027 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8028 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8029 if (nativeLibraryFile.exists()) { 8030 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8031 nativeLibraryFile.delete(); 8032 } 8033 try { 8034 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8035 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 8036 return copyRet; 8037 } 8038 } catch (IOException e) { 8039 Slog.e(TAG, "Copying native libraries failed", e); 8040 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8041 } 8042 8043 return ret; 8044 } 8045 8046 int doPreInstall(int status) { 8047 if (status != PackageManager.INSTALL_SUCCEEDED) { 8048 cleanUp(); 8049 } 8050 return status; 8051 } 8052 8053 boolean doRename(int status, final String pkgName, String oldCodePath) { 8054 if (status != PackageManager.INSTALL_SUCCEEDED) { 8055 cleanUp(); 8056 return false; 8057 } else { 8058 final File oldCodeFile = new File(getCodePath()); 8059 final File oldResourceFile = new File(getResourcePath()); 8060 final File oldLibraryFile = new File(getNativeLibraryPath()); 8061 8062 // Rename APK file based on packageName 8063 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8064 final File newCodeFile = new File(installDir, apkName + ".apk"); 8065 if (!oldCodeFile.renameTo(newCodeFile)) { 8066 return false; 8067 } 8068 codeFileName = newCodeFile.getPath(); 8069 8070 // Rename public resource file if it's forward-locked. 8071 final File newResFile = new File(getResourcePathFromCodePath()); 8072 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8073 return false; 8074 } 8075 resourceFileName = newResFile.getPath(); 8076 8077 // Rename library path 8078 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8079 if (newLibraryFile.exists()) { 8080 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8081 newLibraryFile.delete(); 8082 } 8083 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8084 Slog.e(TAG, "Cannot rename native library directory " 8085 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8086 return false; 8087 } 8088 libraryPath = newLibraryFile.getPath(); 8089 8090 // Attempt to set permissions 8091 if (!setPermissions()) { 8092 return false; 8093 } 8094 8095 if (!SELinux.restorecon(newCodeFile)) { 8096 return false; 8097 } 8098 8099 return true; 8100 } 8101 } 8102 8103 int doPostInstall(int status, int uid) { 8104 if (status != PackageManager.INSTALL_SUCCEEDED) { 8105 cleanUp(); 8106 } 8107 return status; 8108 } 8109 8110 String getResourcePath() { 8111 return resourceFileName; 8112 } 8113 8114 private String getResourcePathFromCodePath() { 8115 final String codePath = getCodePath(); 8116 if (isFwdLocked()) { 8117 final StringBuilder sb = new StringBuilder(); 8118 8119 sb.append(mAppInstallDir.getPath()); 8120 sb.append('/'); 8121 sb.append(getApkName(codePath)); 8122 sb.append(".zip"); 8123 8124 /* 8125 * If our APK is a temporary file, mark the resource as a 8126 * temporary file as well so it can be cleaned up after 8127 * catastrophic failure. 8128 */ 8129 if (codePath.endsWith(".tmp")) { 8130 sb.append(".tmp"); 8131 } 8132 8133 return sb.toString(); 8134 } else { 8135 return codePath; 8136 } 8137 } 8138 8139 private String getLibraryPathFromCodePath() { 8140 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8141 } 8142 8143 @Override 8144 String getNativeLibraryPath() { 8145 if (libraryPath == null) { 8146 libraryPath = getLibraryPathFromCodePath(); 8147 } 8148 return libraryPath; 8149 } 8150 8151 private boolean cleanUp() { 8152 boolean ret = true; 8153 String sourceDir = getCodePath(); 8154 String publicSourceDir = getResourcePath(); 8155 if (sourceDir != null) { 8156 File sourceFile = new File(sourceDir); 8157 if (!sourceFile.exists()) { 8158 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8159 ret = false; 8160 } 8161 // Delete application's code and resources 8162 sourceFile.delete(); 8163 } 8164 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8165 final File publicSourceFile = new File(publicSourceDir); 8166 if (!publicSourceFile.exists()) { 8167 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8168 } 8169 if (publicSourceFile.exists()) { 8170 publicSourceFile.delete(); 8171 } 8172 } 8173 8174 if (libraryPath != null) { 8175 File nativeLibraryFile = new File(libraryPath); 8176 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8177 if (!nativeLibraryFile.delete()) { 8178 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8179 } 8180 } 8181 8182 return ret; 8183 } 8184 8185 void cleanUpResourcesLI() { 8186 String sourceDir = getCodePath(); 8187 if (cleanUp()) { 8188 int retCode = mInstaller.rmdex(sourceDir); 8189 if (retCode < 0) { 8190 Slog.w(TAG, "Couldn't remove dex file for package: " 8191 + " at location " 8192 + sourceDir + ", retcode=" + retCode); 8193 // we don't consider this to be a failure of the core package deletion 8194 } 8195 } 8196 } 8197 8198 private boolean setPermissions() { 8199 // TODO Do this in a more elegant way later on. for now just a hack 8200 if (!isFwdLocked()) { 8201 final int filePermissions = 8202 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8203 |FileUtils.S_IROTH; 8204 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8205 if (retCode != 0) { 8206 Slog.e(TAG, "Couldn't set new package file permissions for " + 8207 getCodePath() 8208 + ". The return code was: " + retCode); 8209 // TODO Define new internal error 8210 return false; 8211 } 8212 return true; 8213 } 8214 return true; 8215 } 8216 8217 boolean doPostDeleteLI(boolean delete) { 8218 // XXX err, shouldn't we respect the delete flag? 8219 cleanUpResourcesLI(); 8220 return true; 8221 } 8222 } 8223 8224 private boolean isAsecExternal(String cid) { 8225 final String asecPath = PackageHelper.getSdFilesystem(cid); 8226 return !asecPath.startsWith(mAsecInternalPath); 8227 } 8228 8229 /** 8230 * Extract the MountService "container ID" from the full code path of an 8231 * .apk. 8232 */ 8233 static String cidFromCodePath(String fullCodePath) { 8234 int eidx = fullCodePath.lastIndexOf("/"); 8235 String subStr1 = fullCodePath.substring(0, eidx); 8236 int sidx = subStr1.lastIndexOf("/"); 8237 return subStr1.substring(sidx+1, eidx); 8238 } 8239 8240 class AsecInstallArgs extends InstallArgs { 8241 static final String RES_FILE_NAME = "pkg.apk"; 8242 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8243 8244 String cid; 8245 String packagePath; 8246 String resourcePath; 8247 String libraryPath; 8248 8249 AsecInstallArgs(InstallParams params) { 8250 super(params.getPackageUri(), params.observer, params.flags, 8251 params.installerPackageName, params.getManifestDigest(), 8252 params.getUser()); 8253 } 8254 8255 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8256 boolean isExternal, boolean isForwardLocked) { 8257 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8258 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8259 null, null, null); 8260 // Extract cid from fullCodePath 8261 int eidx = fullCodePath.lastIndexOf("/"); 8262 String subStr1 = fullCodePath.substring(0, eidx); 8263 int sidx = subStr1.lastIndexOf("/"); 8264 cid = subStr1.substring(sidx+1, eidx); 8265 setCachePath(subStr1); 8266 } 8267 8268 AsecInstallArgs(String cid, boolean isForwardLocked) { 8269 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8270 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8271 null, null, null); 8272 this.cid = cid; 8273 setCachePath(PackageHelper.getSdDir(cid)); 8274 } 8275 8276 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8277 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8278 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8279 null, null, null); 8280 this.cid = cid; 8281 } 8282 8283 void createCopyFile() { 8284 cid = getTempContainerId(); 8285 } 8286 8287 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8288 try { 8289 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8290 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8291 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8292 } finally { 8293 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8294 } 8295 } 8296 8297 private final boolean isExternal() { 8298 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8299 } 8300 8301 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8302 if (temp) { 8303 createCopyFile(); 8304 } else { 8305 /* 8306 * Pre-emptively destroy the container since it's destroyed if 8307 * copying fails due to it existing anyway. 8308 */ 8309 PackageHelper.destroySdDir(cid); 8310 } 8311 8312 final String newCachePath; 8313 try { 8314 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8315 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8316 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8317 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8318 } finally { 8319 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8320 } 8321 8322 if (newCachePath != null) { 8323 setCachePath(newCachePath); 8324 return PackageManager.INSTALL_SUCCEEDED; 8325 } else { 8326 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8327 } 8328 } 8329 8330 @Override 8331 String getCodePath() { 8332 return packagePath; 8333 } 8334 8335 @Override 8336 String getResourcePath() { 8337 return resourcePath; 8338 } 8339 8340 @Override 8341 String getNativeLibraryPath() { 8342 return libraryPath; 8343 } 8344 8345 int doPreInstall(int status) { 8346 if (status != PackageManager.INSTALL_SUCCEEDED) { 8347 // Destroy container 8348 PackageHelper.destroySdDir(cid); 8349 } else { 8350 boolean mounted = PackageHelper.isContainerMounted(cid); 8351 if (!mounted) { 8352 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8353 Process.SYSTEM_UID); 8354 if (newCachePath != null) { 8355 setCachePath(newCachePath); 8356 } else { 8357 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8358 } 8359 } 8360 } 8361 return status; 8362 } 8363 8364 boolean doRename(int status, final String pkgName, 8365 String oldCodePath) { 8366 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8367 String newCachePath = null; 8368 if (PackageHelper.isContainerMounted(cid)) { 8369 // Unmount the container 8370 if (!PackageHelper.unMountSdDir(cid)) { 8371 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8372 return false; 8373 } 8374 } 8375 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8376 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8377 " which might be stale. Will try to clean up."); 8378 // Clean up the stale container and proceed to recreate. 8379 if (!PackageHelper.destroySdDir(newCacheId)) { 8380 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8381 return false; 8382 } 8383 // Successfully cleaned up stale container. Try to rename again. 8384 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8385 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8386 + " inspite of cleaning it up."); 8387 return false; 8388 } 8389 } 8390 if (!PackageHelper.isContainerMounted(newCacheId)) { 8391 Slog.w(TAG, "Mounting container " + newCacheId); 8392 newCachePath = PackageHelper.mountSdDir(newCacheId, 8393 getEncryptKey(), Process.SYSTEM_UID); 8394 } else { 8395 newCachePath = PackageHelper.getSdDir(newCacheId); 8396 } 8397 if (newCachePath == null) { 8398 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8399 return false; 8400 } 8401 Log.i(TAG, "Succesfully renamed " + cid + 8402 " to " + newCacheId + 8403 " at new path: " + newCachePath); 8404 cid = newCacheId; 8405 setCachePath(newCachePath); 8406 return true; 8407 } 8408 8409 private void setCachePath(String newCachePath) { 8410 File cachePath = new File(newCachePath); 8411 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8412 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8413 8414 if (isFwdLocked()) { 8415 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8416 } else { 8417 resourcePath = packagePath; 8418 } 8419 } 8420 8421 int doPostInstall(int status, int uid) { 8422 if (status != PackageManager.INSTALL_SUCCEEDED) { 8423 cleanUp(); 8424 } else { 8425 final int groupOwner; 8426 final String protectedFile; 8427 if (isFwdLocked()) { 8428 groupOwner = UserHandle.getSharedAppGid(uid); 8429 protectedFile = RES_FILE_NAME; 8430 } else { 8431 groupOwner = -1; 8432 protectedFile = null; 8433 } 8434 8435 if (uid < Process.FIRST_APPLICATION_UID 8436 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8437 Slog.e(TAG, "Failed to finalize " + cid); 8438 PackageHelper.destroySdDir(cid); 8439 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8440 } 8441 8442 boolean mounted = PackageHelper.isContainerMounted(cid); 8443 if (!mounted) { 8444 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8445 } 8446 } 8447 return status; 8448 } 8449 8450 private void cleanUp() { 8451 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8452 8453 // Destroy secure container 8454 PackageHelper.destroySdDir(cid); 8455 } 8456 8457 void cleanUpResourcesLI() { 8458 String sourceFile = getCodePath(); 8459 // Remove dex file 8460 int retCode = mInstaller.rmdex(sourceFile); 8461 if (retCode < 0) { 8462 Slog.w(TAG, "Couldn't remove dex file for package: " 8463 + " at location " 8464 + sourceFile.toString() + ", retcode=" + retCode); 8465 // we don't consider this to be a failure of the core package deletion 8466 } 8467 cleanUp(); 8468 } 8469 8470 boolean matchContainer(String app) { 8471 if (cid.startsWith(app)) { 8472 return true; 8473 } 8474 return false; 8475 } 8476 8477 String getPackageName() { 8478 return getAsecPackageName(cid); 8479 } 8480 8481 boolean doPostDeleteLI(boolean delete) { 8482 boolean ret = false; 8483 boolean mounted = PackageHelper.isContainerMounted(cid); 8484 if (mounted) { 8485 // Unmount first 8486 ret = PackageHelper.unMountSdDir(cid); 8487 } 8488 if (ret && delete) { 8489 cleanUpResourcesLI(); 8490 } 8491 return ret; 8492 } 8493 8494 @Override 8495 int doPreCopy() { 8496 if (isFwdLocked()) { 8497 if (!PackageHelper.fixSdPermissions(cid, 8498 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8499 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8500 } 8501 } 8502 8503 return PackageManager.INSTALL_SUCCEEDED; 8504 } 8505 8506 @Override 8507 int doPostCopy(int uid) { 8508 if (isFwdLocked()) { 8509 if (uid < Process.FIRST_APPLICATION_UID 8510 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8511 RES_FILE_NAME)) { 8512 Slog.e(TAG, "Failed to finalize " + cid); 8513 PackageHelper.destroySdDir(cid); 8514 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8515 } 8516 } 8517 8518 return PackageManager.INSTALL_SUCCEEDED; 8519 } 8520 }; 8521 8522 static String getAsecPackageName(String packageCid) { 8523 int idx = packageCid.lastIndexOf("-"); 8524 if (idx == -1) { 8525 return packageCid; 8526 } 8527 return packageCid.substring(0, idx); 8528 } 8529 8530 // Utility method used to create code paths based on package name and available index. 8531 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8532 String idxStr = ""; 8533 int idx = 1; 8534 // Fall back to default value of idx=1 if prefix is not 8535 // part of oldCodePath 8536 if (oldCodePath != null) { 8537 String subStr = oldCodePath; 8538 // Drop the suffix right away 8539 if (subStr.endsWith(suffix)) { 8540 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8541 } 8542 // If oldCodePath already contains prefix find out the 8543 // ending index to either increment or decrement. 8544 int sidx = subStr.lastIndexOf(prefix); 8545 if (sidx != -1) { 8546 subStr = subStr.substring(sidx + prefix.length()); 8547 if (subStr != null) { 8548 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8549 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8550 } 8551 try { 8552 idx = Integer.parseInt(subStr); 8553 if (idx <= 1) { 8554 idx++; 8555 } else { 8556 idx--; 8557 } 8558 } catch(NumberFormatException e) { 8559 } 8560 } 8561 } 8562 } 8563 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8564 return prefix + idxStr; 8565 } 8566 8567 // Utility method used to ignore ADD/REMOVE events 8568 // by directory observer. 8569 private static boolean ignoreCodePath(String fullPathStr) { 8570 String apkName = getApkName(fullPathStr); 8571 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8572 if (idx != -1 && ((idx+1) < apkName.length())) { 8573 // Make sure the package ends with a numeral 8574 String version = apkName.substring(idx+1); 8575 try { 8576 Integer.parseInt(version); 8577 return true; 8578 } catch (NumberFormatException e) {} 8579 } 8580 return false; 8581 } 8582 8583 // Utility method that returns the relative package path with respect 8584 // to the installation directory. Like say for /data/data/com.test-1.apk 8585 // string com.test-1 is returned. 8586 static String getApkName(String codePath) { 8587 if (codePath == null) { 8588 return null; 8589 } 8590 int sidx = codePath.lastIndexOf("/"); 8591 int eidx = codePath.lastIndexOf("."); 8592 if (eidx == -1) { 8593 eidx = codePath.length(); 8594 } else if (eidx == 0) { 8595 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8596 return null; 8597 } 8598 return codePath.substring(sidx+1, eidx); 8599 } 8600 8601 class PackageInstalledInfo { 8602 String name; 8603 int uid; 8604 // The set of users that originally had this package installed. 8605 int[] origUsers; 8606 // The set of users that now have this package installed. 8607 int[] newUsers; 8608 PackageParser.Package pkg; 8609 int returnCode; 8610 PackageRemovedInfo removedInfo; 8611 } 8612 8613 /* 8614 * Install a non-existing package. 8615 */ 8616 private void installNewPackageLI(PackageParser.Package pkg, 8617 int parseFlags, int scanMode, UserHandle user, 8618 String installerPackageName, PackageInstalledInfo res) { 8619 // Remember this for later, in case we need to rollback this install 8620 String pkgName = pkg.packageName; 8621 8622 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8623 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8624 synchronized(mPackages) { 8625 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8626 // A package with the same name is already installed, though 8627 // it has been renamed to an older name. The package we 8628 // are trying to install should be installed as an update to 8629 // the existing one, but that has not been requested, so bail. 8630 Slog.w(TAG, "Attempt to re-install " + pkgName 8631 + " without first uninstalling package running as " 8632 + mSettings.mRenamedPackages.get(pkgName)); 8633 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8634 return; 8635 } 8636 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8637 // Don't allow installation over an existing package with the same name. 8638 Slog.w(TAG, "Attempt to re-install " + pkgName 8639 + " without first uninstalling."); 8640 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8641 return; 8642 } 8643 } 8644 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8645 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8646 System.currentTimeMillis(), user); 8647 if (newPackage == null) { 8648 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8649 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8650 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8651 } 8652 } else { 8653 updateSettingsLI(newPackage, 8654 installerPackageName, 8655 null, null, 8656 res); 8657 // delete the partially installed application. the data directory will have to be 8658 // restored if it was already existing 8659 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8660 // remove package from internal structures. Note that we want deletePackageX to 8661 // delete the package data and cache directories that it created in 8662 // scanPackageLocked, unless those directories existed before we even tried to 8663 // install. 8664 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8665 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8666 res.removedInfo, true); 8667 } 8668 } 8669 } 8670 8671 private void replacePackageLI(PackageParser.Package pkg, 8672 int parseFlags, int scanMode, UserHandle user, 8673 String installerPackageName, PackageInstalledInfo res) { 8674 8675 PackageParser.Package oldPackage; 8676 String pkgName = pkg.packageName; 8677 int[] allUsers; 8678 boolean[] perUserInstalled; 8679 8680 // First find the old package info and check signatures 8681 synchronized(mPackages) { 8682 oldPackage = mPackages.get(pkgName); 8683 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8684 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8685 != PackageManager.SIGNATURE_MATCH) { 8686 Slog.w(TAG, "New package has a different signature: " + pkgName); 8687 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8688 return; 8689 } 8690 8691 // In case of rollback, remember per-user/profile install state 8692 PackageSetting ps = mSettings.mPackages.get(pkgName); 8693 allUsers = sUserManager.getUserIds(); 8694 perUserInstalled = new boolean[allUsers.length]; 8695 for (int i = 0; i < allUsers.length; i++) { 8696 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8697 } 8698 } 8699 boolean sysPkg = (isSystemApp(oldPackage)); 8700 if (sysPkg) { 8701 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8702 user, allUsers, perUserInstalled, installerPackageName, res); 8703 } else { 8704 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8705 user, allUsers, perUserInstalled, installerPackageName, res); 8706 } 8707 } 8708 8709 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8710 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8711 int[] allUsers, boolean[] perUserInstalled, 8712 String installerPackageName, PackageInstalledInfo res) { 8713 PackageParser.Package newPackage = null; 8714 String pkgName = deletedPackage.packageName; 8715 boolean deletedPkg = true; 8716 boolean updatedSettings = false; 8717 8718 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8719 + deletedPackage); 8720 long origUpdateTime; 8721 if (pkg.mExtras != null) { 8722 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8723 } else { 8724 origUpdateTime = 0; 8725 } 8726 8727 // First delete the existing package while retaining the data directory 8728 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8729 res.removedInfo, true)) { 8730 // If the existing package wasn't successfully deleted 8731 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8732 deletedPkg = false; 8733 } else { 8734 // Successfully deleted the old package. Now proceed with re-installation 8735 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8736 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8737 System.currentTimeMillis(), user); 8738 if (newPackage == null) { 8739 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8740 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8741 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8742 } 8743 } else { 8744 updateSettingsLI(newPackage, 8745 installerPackageName, 8746 allUsers, perUserInstalled, 8747 res); 8748 updatedSettings = true; 8749 } 8750 } 8751 8752 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8753 // remove package from internal structures. Note that we want deletePackageX to 8754 // delete the package data and cache directories that it created in 8755 // scanPackageLocked, unless those directories existed before we even tried to 8756 // install. 8757 if(updatedSettings) { 8758 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8759 deletePackageLI( 8760 pkgName, null, true, allUsers, perUserInstalled, 8761 PackageManager.DELETE_KEEP_DATA, 8762 res.removedInfo, true); 8763 } 8764 // Since we failed to install the new package we need to restore the old 8765 // package that we deleted. 8766 if(deletedPkg) { 8767 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 8768 File restoreFile = new File(deletedPackage.mPath); 8769 // Parse old package 8770 boolean oldOnSd = isExternal(deletedPackage); 8771 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 8772 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 8773 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 8774 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 8775 | SCAN_UPDATE_TIME; 8776 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 8777 origUpdateTime, null) == null) { 8778 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 8779 return; 8780 } 8781 // Restore of old package succeeded. Update permissions. 8782 // writer 8783 synchronized (mPackages) { 8784 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 8785 UPDATE_PERMISSIONS_ALL); 8786 // can downgrade to reader 8787 mSettings.writeLPr(); 8788 } 8789 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 8790 } 8791 } 8792 } 8793 8794 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 8795 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8796 int[] allUsers, boolean[] perUserInstalled, 8797 String installerPackageName, PackageInstalledInfo res) { 8798 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 8799 + ", old=" + deletedPackage); 8800 PackageParser.Package newPackage = null; 8801 boolean updatedSettings = false; 8802 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 8803 PackageParser.PARSE_IS_SYSTEM; 8804 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 8805 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8806 } 8807 String packageName = deletedPackage.packageName; 8808 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8809 if (packageName == null) { 8810 Slog.w(TAG, "Attempt to delete null packageName."); 8811 return; 8812 } 8813 PackageParser.Package oldPkg; 8814 PackageSetting oldPkgSetting; 8815 // reader 8816 synchronized (mPackages) { 8817 oldPkg = mPackages.get(packageName); 8818 oldPkgSetting = mSettings.mPackages.get(packageName); 8819 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 8820 (oldPkgSetting == null)) { 8821 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 8822 return; 8823 } 8824 } 8825 8826 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 8827 8828 res.removedInfo.uid = oldPkg.applicationInfo.uid; 8829 res.removedInfo.removedPackage = packageName; 8830 // Remove existing system package 8831 removePackageLI(oldPkgSetting, true); 8832 // writer 8833 synchronized (mPackages) { 8834 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 8835 // We didn't need to disable the .apk as a current system package, 8836 // which means we are replacing another update that is already 8837 // installed. We need to make sure to delete the older one's .apk. 8838 res.removedInfo.args = createInstallArgs(0, 8839 deletedPackage.applicationInfo.sourceDir, 8840 deletedPackage.applicationInfo.publicSourceDir, 8841 deletedPackage.applicationInfo.nativeLibraryDir); 8842 } else { 8843 res.removedInfo.args = null; 8844 } 8845 } 8846 8847 // Successfully disabled the old package. Now proceed with re-installation 8848 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8849 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8850 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 8851 if (newPackage == null) { 8852 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8853 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8854 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8855 } 8856 } else { 8857 if (newPackage.mExtras != null) { 8858 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 8859 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 8860 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 8861 } 8862 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 8863 updatedSettings = true; 8864 } 8865 8866 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8867 // Re installation failed. Restore old information 8868 // Remove new pkg information 8869 if (newPackage != null) { 8870 removeInstalledPackageLI(newPackage, true); 8871 } 8872 // Add back the old system package 8873 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 8874 // Restore the old system information in Settings 8875 synchronized(mPackages) { 8876 if (updatedSettings) { 8877 mSettings.enableSystemPackageLPw(packageName); 8878 mSettings.setInstallerPackageName(packageName, 8879 oldPkgSetting.installerPackageName); 8880 } 8881 mSettings.writeLPr(); 8882 } 8883 } 8884 } 8885 8886 // Utility method used to move dex files during install. 8887 private int moveDexFilesLI(PackageParser.Package newPackage) { 8888 int retCode; 8889 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 8890 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 8891 if (retCode != 0) { 8892 if (mNoDexOpt) { 8893 /* 8894 * If we're in an engineering build, programs are lazily run 8895 * through dexopt. If the .dex file doesn't exist yet, it 8896 * will be created when the program is run next. 8897 */ 8898 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 8899 } else { 8900 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 8901 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8902 } 8903 } 8904 } 8905 return PackageManager.INSTALL_SUCCEEDED; 8906 } 8907 8908 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 8909 int[] allUsers, boolean[] perUserInstalled, 8910 PackageInstalledInfo res) { 8911 String pkgName = newPackage.packageName; 8912 synchronized (mPackages) { 8913 //write settings. the installStatus will be incomplete at this stage. 8914 //note that the new package setting would have already been 8915 //added to mPackages. It hasn't been persisted yet. 8916 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 8917 mSettings.writeLPr(); 8918 } 8919 8920 if ((res.returnCode = moveDexFilesLI(newPackage)) 8921 != PackageManager.INSTALL_SUCCEEDED) { 8922 // Discontinue if moving dex files failed. 8923 return; 8924 } 8925 8926 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 8927 8928 synchronized (mPackages) { 8929 updatePermissionsLPw(newPackage.packageName, newPackage, 8930 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 8931 ? UPDATE_PERMISSIONS_ALL : 0)); 8932 // For system-bundled packages, we assume that installing an upgraded version 8933 // of the package implies that the user actually wants to run that new code, 8934 // so we enable the package. 8935 if (isSystemApp(newPackage)) { 8936 // NB: implicit assumption that system package upgrades apply to all users 8937 if (DEBUG_INSTALL) { 8938 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 8939 } 8940 PackageSetting ps = mSettings.mPackages.get(pkgName); 8941 if (ps != null) { 8942 if (res.origUsers != null) { 8943 for (int userHandle : res.origUsers) { 8944 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 8945 userHandle, installerPackageName); 8946 } 8947 } 8948 // Also convey the prior install/uninstall state 8949 if (allUsers != null && perUserInstalled != null) { 8950 for (int i = 0; i < allUsers.length; i++) { 8951 if (DEBUG_INSTALL) { 8952 Slog.d(TAG, " user " + allUsers[i] 8953 + " => " + perUserInstalled[i]); 8954 } 8955 ps.setInstalled(perUserInstalled[i], allUsers[i]); 8956 } 8957 // these install state changes will be persisted in the 8958 // upcoming call to mSettings.writeLPr(). 8959 } 8960 } 8961 } 8962 res.name = pkgName; 8963 res.uid = newPackage.applicationInfo.uid; 8964 res.pkg = newPackage; 8965 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 8966 mSettings.setInstallerPackageName(pkgName, installerPackageName); 8967 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 8968 //to update install status 8969 mSettings.writeLPr(); 8970 } 8971 } 8972 8973 private void installPackageLI(InstallArgs args, 8974 boolean newInstall, PackageInstalledInfo res) { 8975 int pFlags = args.flags; 8976 String installerPackageName = args.installerPackageName; 8977 File tmpPackageFile = new File(args.getCodePath()); 8978 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 8979 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 8980 boolean replace = false; 8981 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 8982 | (newInstall ? SCAN_NEW_INSTALL : 0); 8983 // Result object to be returned 8984 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 8985 8986 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 8987 // Retrieve PackageSettings and parse package 8988 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 8989 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 8990 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 8991 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 8992 pp.setSeparateProcesses(mSeparateProcesses); 8993 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 8994 null, mMetrics, parseFlags); 8995 if (pkg == null) { 8996 res.returnCode = pp.getParseError(); 8997 return; 8998 } 8999 String pkgName = res.name = pkg.packageName; 9000 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9001 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9002 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9003 return; 9004 } 9005 } 9006 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9007 res.returnCode = pp.getParseError(); 9008 return; 9009 } 9010 9011 /* If the installer passed in a manifest digest, compare it now. */ 9012 if (args.manifestDigest != null) { 9013 if (DEBUG_INSTALL) { 9014 final String parsedManifest = pkg.manifestDigest == null ? "null" 9015 : pkg.manifestDigest.toString(); 9016 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9017 + parsedManifest); 9018 } 9019 9020 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9021 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9022 return; 9023 } 9024 } else if (DEBUG_INSTALL) { 9025 final String parsedManifest = pkg.manifestDigest == null 9026 ? "null" : pkg.manifestDigest.toString(); 9027 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9028 } 9029 9030 // Get rid of all references to package scan path via parser. 9031 pp = null; 9032 String oldCodePath = null; 9033 boolean systemApp = false; 9034 synchronized (mPackages) { 9035 // Check if installing already existing package 9036 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9037 String oldName = mSettings.mRenamedPackages.get(pkgName); 9038 if (pkg.mOriginalPackages != null 9039 && pkg.mOriginalPackages.contains(oldName) 9040 && mPackages.containsKey(oldName)) { 9041 // This package is derived from an original package, 9042 // and this device has been updating from that original 9043 // name. We must continue using the original name, so 9044 // rename the new package here. 9045 pkg.setPackageName(oldName); 9046 pkgName = pkg.packageName; 9047 replace = true; 9048 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9049 + oldName + " pkgName=" + pkgName); 9050 } else if (mPackages.containsKey(pkgName)) { 9051 // This package, under its official name, already exists 9052 // on the device; we should replace it. 9053 replace = true; 9054 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9055 } 9056 } 9057 PackageSetting ps = mSettings.mPackages.get(pkgName); 9058 if (ps != null) { 9059 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9060 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9061 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9062 systemApp = (ps.pkg.applicationInfo.flags & 9063 ApplicationInfo.FLAG_SYSTEM) != 0; 9064 } 9065 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9066 } 9067 } 9068 9069 if (systemApp && onSd) { 9070 // Disable updates to system apps on sdcard 9071 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9072 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9073 return; 9074 } 9075 9076 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9077 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9078 return; 9079 } 9080 // Set application objects path explicitly after the rename 9081 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9082 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9083 if (replace) { 9084 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9085 installerPackageName, res); 9086 } else { 9087 installNewPackageLI(pkg, parseFlags, scanMode, args.user, 9088 installerPackageName, res); 9089 } 9090 synchronized (mPackages) { 9091 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9092 if (ps != null) { 9093 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9094 } 9095 } 9096 } 9097 9098 private static boolean isForwardLocked(PackageParser.Package pkg) { 9099 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9100 } 9101 9102 9103 private boolean isForwardLocked(PackageSetting ps) { 9104 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9105 } 9106 9107 private static boolean isExternal(PackageParser.Package pkg) { 9108 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9109 } 9110 9111 private static boolean isExternal(PackageSetting ps) { 9112 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9113 } 9114 9115 private static boolean isSystemApp(PackageParser.Package pkg) { 9116 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9117 } 9118 9119 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9120 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9121 } 9122 9123 private static boolean isSystemApp(ApplicationInfo info) { 9124 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9125 } 9126 9127 private static boolean isSystemApp(PackageSetting ps) { 9128 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9129 } 9130 9131 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9132 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9133 } 9134 9135 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9136 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9137 } 9138 9139 private int packageFlagsToInstallFlags(PackageSetting ps) { 9140 int installFlags = 0; 9141 if (isExternal(ps)) { 9142 installFlags |= PackageManager.INSTALL_EXTERNAL; 9143 } 9144 if (isForwardLocked(ps)) { 9145 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9146 } 9147 return installFlags; 9148 } 9149 9150 private void deleteTempPackageFiles() { 9151 final FilenameFilter filter = new FilenameFilter() { 9152 public boolean accept(File dir, String name) { 9153 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9154 } 9155 }; 9156 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9157 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9158 } 9159 9160 private static final void deleteTempPackageFilesInDirectory(File directory, 9161 FilenameFilter filter) { 9162 final String[] tmpFilesList = directory.list(filter); 9163 if (tmpFilesList == null) { 9164 return; 9165 } 9166 for (int i = 0; i < tmpFilesList.length; i++) { 9167 final File tmpFile = new File(directory, tmpFilesList[i]); 9168 tmpFile.delete(); 9169 } 9170 } 9171 9172 private File createTempPackageFile(File installDir) { 9173 File tmpPackageFile; 9174 try { 9175 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9176 } catch (IOException e) { 9177 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9178 return null; 9179 } 9180 try { 9181 FileUtils.setPermissions( 9182 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9183 -1, -1); 9184 if (!SELinux.restorecon(tmpPackageFile)) { 9185 return null; 9186 } 9187 } catch (IOException e) { 9188 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9189 return null; 9190 } 9191 return tmpPackageFile; 9192 } 9193 9194 @Override 9195 public void deletePackageAsUser(final String packageName, 9196 final IPackageDeleteObserver observer, 9197 final int userId, final int flags) { 9198 mContext.enforceCallingOrSelfPermission( 9199 android.Manifest.permission.DELETE_PACKAGES, null); 9200 final int uid = Binder.getCallingUid(); 9201 if (UserHandle.getUserId(uid) != userId) { 9202 mContext.enforceCallingPermission( 9203 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9204 "deletePackage for user " + userId); 9205 } 9206 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9207 try { 9208 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9209 } catch (RemoteException re) { 9210 } 9211 return; 9212 } 9213 9214 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9215 // Queue up an async operation since the package deletion may take a little while. 9216 mHandler.post(new Runnable() { 9217 public void run() { 9218 mHandler.removeCallbacks(this); 9219 final int returnCode = deletePackageX(packageName, userId, flags); 9220 if (observer != null) { 9221 try { 9222 observer.packageDeleted(packageName, returnCode); 9223 } catch (RemoteException e) { 9224 Log.i(TAG, "Observer no longer exists."); 9225 } //end catch 9226 } //end if 9227 } //end run 9228 }); 9229 } 9230 9231 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9232 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9233 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9234 try { 9235 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9236 || dpm.isDeviceOwner(packageName))) { 9237 return true; 9238 } 9239 } catch (RemoteException e) { 9240 } 9241 return false; 9242 } 9243 9244 /** 9245 * This method is an internal method that could be get invoked either 9246 * to delete an installed package or to clean up a failed installation. 9247 * After deleting an installed package, a broadcast is sent to notify any 9248 * listeners that the package has been installed. For cleaning up a failed 9249 * installation, the broadcast is not necessary since the package's 9250 * installation wouldn't have sent the initial broadcast either 9251 * The key steps in deleting a package are 9252 * deleting the package information in internal structures like mPackages, 9253 * deleting the packages base directories through installd 9254 * updating mSettings to reflect current status 9255 * persisting settings for later use 9256 * sending a broadcast if necessary 9257 */ 9258 private int deletePackageX(String packageName, int userId, int flags) { 9259 final PackageRemovedInfo info = new PackageRemovedInfo(); 9260 final boolean res; 9261 9262 if (isPackageDeviceAdmin(packageName, userId)) { 9263 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9264 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9265 } 9266 9267 boolean removedForAllUsers = false; 9268 boolean systemUpdate = false; 9269 9270 // for the uninstall-updates case and restricted profiles, remember the per- 9271 // userhandle installed state 9272 int[] allUsers; 9273 boolean[] perUserInstalled; 9274 synchronized (mPackages) { 9275 PackageSetting ps = mSettings.mPackages.get(packageName); 9276 allUsers = sUserManager.getUserIds(); 9277 perUserInstalled = new boolean[allUsers.length]; 9278 for (int i = 0; i < allUsers.length; i++) { 9279 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9280 } 9281 } 9282 9283 synchronized (mInstallLock) { 9284 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9285 res = deletePackageLI(packageName, 9286 (flags & PackageManager.DELETE_ALL_USERS) != 0 9287 ? UserHandle.ALL : new UserHandle(userId), 9288 true, allUsers, perUserInstalled, 9289 flags | REMOVE_CHATTY, info, true); 9290 systemUpdate = info.isRemovedPackageSystemUpdate; 9291 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9292 removedForAllUsers = true; 9293 } 9294 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9295 + " removedForAllUsers=" + removedForAllUsers); 9296 } 9297 9298 if (res) { 9299 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9300 9301 // If the removed package was a system update, the old system package 9302 // was re-enabled; we need to broadcast this information 9303 if (systemUpdate) { 9304 Bundle extras = new Bundle(1); 9305 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9306 ? info.removedAppId : info.uid); 9307 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9308 9309 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9310 extras, null, null, null); 9311 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9312 extras, null, null, null); 9313 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9314 null, packageName, null, null); 9315 } 9316 } 9317 // Force a gc here. 9318 Runtime.getRuntime().gc(); 9319 // Delete the resources here after sending the broadcast to let 9320 // other processes clean up before deleting resources. 9321 if (info.args != null) { 9322 synchronized (mInstallLock) { 9323 info.args.doPostDeleteLI(true); 9324 } 9325 } 9326 9327 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9328 } 9329 9330 static class PackageRemovedInfo { 9331 String removedPackage; 9332 int uid = -1; 9333 int removedAppId = -1; 9334 int[] removedUsers = null; 9335 boolean isRemovedPackageSystemUpdate = false; 9336 // Clean up resources deleted packages. 9337 InstallArgs args = null; 9338 9339 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9340 Bundle extras = new Bundle(1); 9341 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9342 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9343 if (replacing) { 9344 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9345 } 9346 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9347 if (removedPackage != null) { 9348 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9349 extras, null, null, removedUsers); 9350 if (fullRemove && !replacing) { 9351 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9352 extras, null, null, removedUsers); 9353 } 9354 } 9355 if (removedAppId >= 0) { 9356 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9357 removedUsers); 9358 } 9359 } 9360 } 9361 9362 /* 9363 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9364 * flag is not set, the data directory is removed as well. 9365 * make sure this flag is set for partially installed apps. If not its meaningless to 9366 * delete a partially installed application. 9367 */ 9368 private void removePackageDataLI(PackageSetting ps, 9369 int[] allUserHandles, boolean[] perUserInstalled, 9370 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9371 String packageName = ps.name; 9372 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9373 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9374 // Retrieve object to delete permissions for shared user later on 9375 final PackageSetting deletedPs; 9376 // reader 9377 synchronized (mPackages) { 9378 deletedPs = mSettings.mPackages.get(packageName); 9379 if (outInfo != null) { 9380 outInfo.removedPackage = packageName; 9381 outInfo.removedUsers = deletedPs != null 9382 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9383 : null; 9384 } 9385 } 9386 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9387 removeDataDirsLI(packageName); 9388 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9389 } 9390 // writer 9391 synchronized (mPackages) { 9392 if (deletedPs != null) { 9393 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9394 if (outInfo != null) { 9395 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9396 } 9397 if (deletedPs != null) { 9398 updatePermissionsLPw(deletedPs.name, null, 0); 9399 if (deletedPs.sharedUser != null) { 9400 // remove permissions associated with package 9401 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9402 } 9403 } 9404 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9405 } 9406 // make sure to preserve per-user disabled state if this removal was just 9407 // a downgrade of a system app to the factory package 9408 if (allUserHandles != null && perUserInstalled != null) { 9409 if (DEBUG_REMOVE) { 9410 Slog.d(TAG, "Propagating install state across downgrade"); 9411 } 9412 for (int i = 0; i < allUserHandles.length; i++) { 9413 if (DEBUG_REMOVE) { 9414 Slog.d(TAG, " user " + allUserHandles[i] 9415 + " => " + perUserInstalled[i]); 9416 } 9417 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9418 } 9419 } 9420 } 9421 // can downgrade to reader 9422 if (writeSettings) { 9423 // Save settings now 9424 mSettings.writeLPr(); 9425 } 9426 } 9427 if (outInfo != null) { 9428 // A user ID was deleted here. Go through all users and remove it 9429 // from KeyStore. 9430 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9431 } 9432 } 9433 9434 static boolean locationIsPrivileged(File path) { 9435 try { 9436 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9437 .getCanonicalPath(); 9438 return path.getCanonicalPath().startsWith(privilegedAppDir); 9439 } catch (IOException e) { 9440 Slog.e(TAG, "Unable to access code path " + path); 9441 } 9442 return false; 9443 } 9444 9445 /* 9446 * Tries to delete system package. 9447 */ 9448 private boolean deleteSystemPackageLI(PackageSetting newPs, 9449 int[] allUserHandles, boolean[] perUserInstalled, 9450 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9451 final boolean applyUserRestrictions 9452 = (allUserHandles != null) && (perUserInstalled != null); 9453 PackageSetting disabledPs = null; 9454 // Confirm if the system package has been updated 9455 // An updated system app can be deleted. This will also have to restore 9456 // the system pkg from system partition 9457 // reader 9458 synchronized (mPackages) { 9459 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9460 } 9461 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9462 + " disabledPs=" + disabledPs); 9463 if (disabledPs == null) { 9464 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9465 return false; 9466 } else if (DEBUG_REMOVE) { 9467 Slog.d(TAG, "Deleting system pkg from data partition"); 9468 } 9469 if (DEBUG_REMOVE) { 9470 if (applyUserRestrictions) { 9471 Slog.d(TAG, "Remembering install states:"); 9472 for (int i = 0; i < allUserHandles.length; i++) { 9473 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9474 } 9475 } 9476 } 9477 // Delete the updated package 9478 outInfo.isRemovedPackageSystemUpdate = true; 9479 if (disabledPs.versionCode < newPs.versionCode) { 9480 // Delete data for downgrades 9481 flags &= ~PackageManager.DELETE_KEEP_DATA; 9482 } else { 9483 // Preserve data by setting flag 9484 flags |= PackageManager.DELETE_KEEP_DATA; 9485 } 9486 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9487 allUserHandles, perUserInstalled, outInfo, writeSettings); 9488 if (!ret) { 9489 return false; 9490 } 9491 // writer 9492 synchronized (mPackages) { 9493 // Reinstate the old system package 9494 mSettings.enableSystemPackageLPw(newPs.name); 9495 // Remove any native libraries from the upgraded package. 9496 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9497 } 9498 // Install the system package 9499 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9500 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9501 if (locationIsPrivileged(disabledPs.codePath)) { 9502 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9503 } 9504 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9505 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9506 9507 if (newPkg == null) { 9508 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9509 + " with error:" + mLastScanError); 9510 return false; 9511 } 9512 // writer 9513 synchronized (mPackages) { 9514 updatePermissionsLPw(newPkg.packageName, newPkg, 9515 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9516 if (applyUserRestrictions) { 9517 if (DEBUG_REMOVE) { 9518 Slog.d(TAG, "Propagating install state across reinstall"); 9519 } 9520 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9521 for (int i = 0; i < allUserHandles.length; i++) { 9522 if (DEBUG_REMOVE) { 9523 Slog.d(TAG, " user " + allUserHandles[i] 9524 + " => " + perUserInstalled[i]); 9525 } 9526 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9527 } 9528 // Regardless of writeSettings we need to ensure that this restriction 9529 // state propagation is persisted 9530 mSettings.writeAllUsersPackageRestrictionsLPr(); 9531 } 9532 // can downgrade to reader here 9533 if (writeSettings) { 9534 mSettings.writeLPr(); 9535 } 9536 } 9537 return true; 9538 } 9539 9540 private boolean deleteInstalledPackageLI(PackageSetting ps, 9541 boolean deleteCodeAndResources, int flags, 9542 int[] allUserHandles, boolean[] perUserInstalled, 9543 PackageRemovedInfo outInfo, boolean writeSettings) { 9544 if (outInfo != null) { 9545 outInfo.uid = ps.appId; 9546 } 9547 9548 // Delete package data from internal structures and also remove data if flag is set 9549 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9550 9551 // Delete application code and resources 9552 if (deleteCodeAndResources && (outInfo != null)) { 9553 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9554 ps.resourcePathString, ps.nativeLibraryPathString); 9555 } 9556 return true; 9557 } 9558 9559 /* 9560 * This method handles package deletion in general 9561 */ 9562 private boolean deletePackageLI(String packageName, UserHandle user, 9563 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9564 int flags, PackageRemovedInfo outInfo, 9565 boolean writeSettings) { 9566 if (packageName == null) { 9567 Slog.w(TAG, "Attempt to delete null packageName."); 9568 return false; 9569 } 9570 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9571 PackageSetting ps; 9572 boolean dataOnly = false; 9573 int removeUser = -1; 9574 int appId = -1; 9575 synchronized (mPackages) { 9576 ps = mSettings.mPackages.get(packageName); 9577 if (ps == null) { 9578 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9579 return false; 9580 } 9581 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9582 && user.getIdentifier() != UserHandle.USER_ALL) { 9583 // The caller is asking that the package only be deleted for a single 9584 // user. To do this, we just mark its uninstalled state and delete 9585 // its data. If this is a system app, we only allow this to happen if 9586 // they have set the special DELETE_SYSTEM_APP which requests different 9587 // semantics than normal for uninstalling system apps. 9588 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9589 ps.setUserState(user.getIdentifier(), 9590 COMPONENT_ENABLED_STATE_DEFAULT, 9591 false, //installed 9592 true, //stopped 9593 true, //notLaunched 9594 false, //blocked 9595 null, null, null); 9596 if (!isSystemApp(ps)) { 9597 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9598 // Other user still have this package installed, so all 9599 // we need to do is clear this user's data and save that 9600 // it is uninstalled. 9601 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9602 removeUser = user.getIdentifier(); 9603 appId = ps.appId; 9604 mSettings.writePackageRestrictionsLPr(removeUser); 9605 } else { 9606 // We need to set it back to 'installed' so the uninstall 9607 // broadcasts will be sent correctly. 9608 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9609 ps.setInstalled(true, user.getIdentifier()); 9610 } 9611 } else { 9612 // This is a system app, so we assume that the 9613 // other users still have this package installed, so all 9614 // we need to do is clear this user's data and save that 9615 // it is uninstalled. 9616 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9617 removeUser = user.getIdentifier(); 9618 appId = ps.appId; 9619 mSettings.writePackageRestrictionsLPr(removeUser); 9620 } 9621 } 9622 } 9623 9624 if (removeUser >= 0) { 9625 // From above, we determined that we are deleting this only 9626 // for a single user. Continue the work here. 9627 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9628 if (outInfo != null) { 9629 outInfo.removedPackage = packageName; 9630 outInfo.removedAppId = appId; 9631 outInfo.removedUsers = new int[] {removeUser}; 9632 } 9633 mInstaller.clearUserData(packageName, removeUser); 9634 removeKeystoreDataIfNeeded(removeUser, appId); 9635 schedulePackageCleaning(packageName, removeUser, false); 9636 return true; 9637 } 9638 9639 if (dataOnly) { 9640 // Delete application data first 9641 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9642 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9643 return true; 9644 } 9645 9646 boolean ret = false; 9647 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9648 if (isSystemApp(ps)) { 9649 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9650 // When an updated system application is deleted we delete the existing resources as well and 9651 // fall back to existing code in system partition 9652 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9653 flags, outInfo, writeSettings); 9654 } else { 9655 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9656 // Kill application pre-emptively especially for apps on sd. 9657 killApplication(packageName, ps.appId, "uninstall pkg"); 9658 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9659 allUserHandles, perUserInstalled, 9660 outInfo, writeSettings); 9661 } 9662 9663 return ret; 9664 } 9665 9666 private final class ClearStorageConnection implements ServiceConnection { 9667 IMediaContainerService mContainerService; 9668 9669 @Override 9670 public void onServiceConnected(ComponentName name, IBinder service) { 9671 synchronized (this) { 9672 mContainerService = IMediaContainerService.Stub.asInterface(service); 9673 notifyAll(); 9674 } 9675 } 9676 9677 @Override 9678 public void onServiceDisconnected(ComponentName name) { 9679 } 9680 } 9681 9682 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9683 final boolean mounted; 9684 if (Environment.isExternalStorageEmulated()) { 9685 mounted = true; 9686 } else { 9687 final String status = Environment.getExternalStorageState(); 9688 9689 mounted = status.equals(Environment.MEDIA_MOUNTED) 9690 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9691 } 9692 9693 if (!mounted) { 9694 return; 9695 } 9696 9697 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9698 int[] users; 9699 if (userId == UserHandle.USER_ALL) { 9700 users = sUserManager.getUserIds(); 9701 } else { 9702 users = new int[] { userId }; 9703 } 9704 final ClearStorageConnection conn = new ClearStorageConnection(); 9705 if (mContext.bindServiceAsUser( 9706 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9707 try { 9708 for (int curUser : users) { 9709 long timeout = SystemClock.uptimeMillis() + 5000; 9710 synchronized (conn) { 9711 long now = SystemClock.uptimeMillis(); 9712 while (conn.mContainerService == null && now < timeout) { 9713 try { 9714 conn.wait(timeout - now); 9715 } catch (InterruptedException e) { 9716 } 9717 } 9718 } 9719 if (conn.mContainerService == null) { 9720 return; 9721 } 9722 9723 final UserEnvironment userEnv = new UserEnvironment(curUser); 9724 clearDirectory(conn.mContainerService, 9725 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9726 if (allData) { 9727 clearDirectory(conn.mContainerService, 9728 userEnv.buildExternalStorageAppDataDirs(packageName)); 9729 clearDirectory(conn.mContainerService, 9730 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9731 } 9732 } 9733 } finally { 9734 mContext.unbindService(conn); 9735 } 9736 } 9737 } 9738 9739 @Override 9740 public void clearApplicationUserData(final String packageName, 9741 final IPackageDataObserver observer, final int userId) { 9742 mContext.enforceCallingOrSelfPermission( 9743 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9744 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9745 // Queue up an async operation since the package deletion may take a little while. 9746 mHandler.post(new Runnable() { 9747 public void run() { 9748 mHandler.removeCallbacks(this); 9749 final boolean succeeded; 9750 synchronized (mInstallLock) { 9751 succeeded = clearApplicationUserDataLI(packageName, userId); 9752 } 9753 clearExternalStorageDataSync(packageName, userId, true); 9754 if (succeeded) { 9755 // invoke DeviceStorageMonitor's update method to clear any notifications 9756 DeviceStorageMonitorInternal 9757 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9758 if (dsm != null) { 9759 dsm.checkMemory(); 9760 } 9761 } 9762 if(observer != null) { 9763 try { 9764 observer.onRemoveCompleted(packageName, succeeded); 9765 } catch (RemoteException e) { 9766 Log.i(TAG, "Observer no longer exists."); 9767 } 9768 } //end if observer 9769 } //end run 9770 }); 9771 } 9772 9773 private boolean clearApplicationUserDataLI(String packageName, int userId) { 9774 if (packageName == null) { 9775 Slog.w(TAG, "Attempt to delete null packageName."); 9776 return false; 9777 } 9778 PackageParser.Package p; 9779 boolean dataOnly = false; 9780 final int appId; 9781 synchronized (mPackages) { 9782 p = mPackages.get(packageName); 9783 if (p == null) { 9784 dataOnly = true; 9785 PackageSetting ps = mSettings.mPackages.get(packageName); 9786 if ((ps == null) || (ps.pkg == null)) { 9787 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9788 return false; 9789 } 9790 p = ps.pkg; 9791 } 9792 if (!dataOnly) { 9793 // need to check this only for fully installed applications 9794 if (p == null) { 9795 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9796 return false; 9797 } 9798 final ApplicationInfo applicationInfo = p.applicationInfo; 9799 if (applicationInfo == null) { 9800 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9801 return false; 9802 } 9803 } 9804 if (p != null && p.applicationInfo != null) { 9805 appId = p.applicationInfo.uid; 9806 } else { 9807 appId = -1; 9808 } 9809 } 9810 int retCode = mInstaller.clearUserData(packageName, userId); 9811 if (retCode < 0) { 9812 Slog.w(TAG, "Couldn't remove cache files for package: " 9813 + packageName); 9814 return false; 9815 } 9816 removeKeystoreDataIfNeeded(userId, appId); 9817 return true; 9818 } 9819 9820 /** 9821 * Remove entries from the keystore daemon. Will only remove it if the 9822 * {@code appId} is valid. 9823 */ 9824 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 9825 if (appId < 0) { 9826 return; 9827 } 9828 9829 final KeyStore keyStore = KeyStore.getInstance(); 9830 if (keyStore != null) { 9831 if (userId == UserHandle.USER_ALL) { 9832 for (final int individual : sUserManager.getUserIds()) { 9833 keyStore.clearUid(UserHandle.getUid(individual, appId)); 9834 } 9835 } else { 9836 keyStore.clearUid(UserHandle.getUid(userId, appId)); 9837 } 9838 } else { 9839 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 9840 } 9841 } 9842 9843 public void deleteApplicationCacheFiles(final String packageName, 9844 final IPackageDataObserver observer) { 9845 mContext.enforceCallingOrSelfPermission( 9846 android.Manifest.permission.DELETE_CACHE_FILES, null); 9847 // Queue up an async operation since the package deletion may take a little while. 9848 final int userId = UserHandle.getCallingUserId(); 9849 mHandler.post(new Runnable() { 9850 public void run() { 9851 mHandler.removeCallbacks(this); 9852 final boolean succeded; 9853 synchronized (mInstallLock) { 9854 succeded = deleteApplicationCacheFilesLI(packageName, userId); 9855 } 9856 clearExternalStorageDataSync(packageName, userId, false); 9857 if(observer != null) { 9858 try { 9859 observer.onRemoveCompleted(packageName, succeded); 9860 } catch (RemoteException e) { 9861 Log.i(TAG, "Observer no longer exists."); 9862 } 9863 } //end if observer 9864 } //end run 9865 }); 9866 } 9867 9868 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 9869 if (packageName == null) { 9870 Slog.w(TAG, "Attempt to delete null packageName."); 9871 return false; 9872 } 9873 PackageParser.Package p; 9874 synchronized (mPackages) { 9875 p = mPackages.get(packageName); 9876 } 9877 if (p == null) { 9878 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 9879 return false; 9880 } 9881 final ApplicationInfo applicationInfo = p.applicationInfo; 9882 if (applicationInfo == null) { 9883 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9884 return false; 9885 } 9886 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 9887 if (retCode < 0) { 9888 Slog.w(TAG, "Couldn't remove cache files for package: " 9889 + packageName + " u" + userId); 9890 return false; 9891 } 9892 return true; 9893 } 9894 9895 public void getPackageSizeInfo(final String packageName, int userHandle, 9896 final IPackageStatsObserver observer) { 9897 mContext.enforceCallingOrSelfPermission( 9898 android.Manifest.permission.GET_PACKAGE_SIZE, null); 9899 9900 PackageStats stats = new PackageStats(packageName, userHandle); 9901 9902 /* 9903 * Queue up an async operation since the package measurement may take a 9904 * little while. 9905 */ 9906 Message msg = mHandler.obtainMessage(INIT_COPY); 9907 msg.obj = new MeasureParams(stats, observer); 9908 mHandler.sendMessage(msg); 9909 } 9910 9911 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 9912 PackageStats pStats) { 9913 if (packageName == null) { 9914 Slog.w(TAG, "Attempt to get size of null packageName."); 9915 return false; 9916 } 9917 PackageParser.Package p; 9918 boolean dataOnly = false; 9919 String libDirPath = null; 9920 String asecPath = null; 9921 synchronized (mPackages) { 9922 p = mPackages.get(packageName); 9923 PackageSetting ps = mSettings.mPackages.get(packageName); 9924 if(p == null) { 9925 dataOnly = true; 9926 if((ps == null) || (ps.pkg == null)) { 9927 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 9928 return false; 9929 } 9930 p = ps.pkg; 9931 } 9932 if (ps != null) { 9933 libDirPath = ps.nativeLibraryPathString; 9934 } 9935 if (p != null && (isExternal(p) || isForwardLocked(p))) { 9936 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 9937 if (secureContainerId != null) { 9938 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 9939 } 9940 } 9941 } 9942 String publicSrcDir = null; 9943 if(!dataOnly) { 9944 final ApplicationInfo applicationInfo = p.applicationInfo; 9945 if (applicationInfo == null) { 9946 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9947 return false; 9948 } 9949 if (isForwardLocked(p)) { 9950 publicSrcDir = applicationInfo.publicSourceDir; 9951 } 9952 } 9953 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 9954 publicSrcDir, asecPath, pStats); 9955 if (res < 0) { 9956 return false; 9957 } 9958 9959 // Fix-up for forward-locked applications in ASEC containers. 9960 if (!isExternal(p)) { 9961 pStats.codeSize += pStats.externalCodeSize; 9962 pStats.externalCodeSize = 0L; 9963 } 9964 9965 return true; 9966 } 9967 9968 9969 public void addPackageToPreferred(String packageName) { 9970 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 9971 } 9972 9973 public void removePackageFromPreferred(String packageName) { 9974 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 9975 } 9976 9977 public List<PackageInfo> getPreferredPackages(int flags) { 9978 return new ArrayList<PackageInfo>(); 9979 } 9980 9981 private int getUidTargetSdkVersionLockedLPr(int uid) { 9982 Object obj = mSettings.getUserIdLPr(uid); 9983 if (obj instanceof SharedUserSetting) { 9984 final SharedUserSetting sus = (SharedUserSetting) obj; 9985 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 9986 final Iterator<PackageSetting> it = sus.packages.iterator(); 9987 while (it.hasNext()) { 9988 final PackageSetting ps = it.next(); 9989 if (ps.pkg != null) { 9990 int v = ps.pkg.applicationInfo.targetSdkVersion; 9991 if (v < vers) vers = v; 9992 } 9993 } 9994 return vers; 9995 } else if (obj instanceof PackageSetting) { 9996 final PackageSetting ps = (PackageSetting) obj; 9997 if (ps.pkg != null) { 9998 return ps.pkg.applicationInfo.targetSdkVersion; 9999 } 10000 } 10001 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10002 } 10003 10004 public void addPreferredActivity(IntentFilter filter, int match, 10005 ComponentName[] set, ComponentName activity, int userId) { 10006 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10007 } 10008 10009 private void addPreferredActivityInternal(IntentFilter filter, int match, 10010 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10011 // writer 10012 int callingUid = Binder.getCallingUid(); 10013 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10014 if (filter.countActions() == 0) { 10015 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10016 return; 10017 } 10018 synchronized (mPackages) { 10019 if (mContext.checkCallingOrSelfPermission( 10020 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10021 != PackageManager.PERMISSION_GRANTED) { 10022 if (getUidTargetSdkVersionLockedLPr(callingUid) 10023 < Build.VERSION_CODES.FROYO) { 10024 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10025 + callingUid); 10026 return; 10027 } 10028 mContext.enforceCallingOrSelfPermission( 10029 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10030 } 10031 10032 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10033 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10034 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10035 new PreferredActivity(filter, match, set, activity, always)); 10036 mSettings.writePackageRestrictionsLPr(userId); 10037 } 10038 } 10039 10040 public void replacePreferredActivity(IntentFilter filter, int match, 10041 ComponentName[] set, ComponentName activity) { 10042 if (filter.countActions() != 1) { 10043 throw new IllegalArgumentException( 10044 "replacePreferredActivity expects filter to have only 1 action."); 10045 } 10046 if (filter.countDataAuthorities() != 0 10047 || filter.countDataPaths() != 0 10048 || filter.countDataSchemes() > 1 10049 || filter.countDataTypes() != 0) { 10050 throw new IllegalArgumentException( 10051 "replacePreferredActivity expects filter to have no data authorities, " + 10052 "paths, or types; and at most one scheme."); 10053 } 10054 synchronized (mPackages) { 10055 if (mContext.checkCallingOrSelfPermission( 10056 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10057 != PackageManager.PERMISSION_GRANTED) { 10058 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10059 < Build.VERSION_CODES.FROYO) { 10060 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10061 + Binder.getCallingUid()); 10062 return; 10063 } 10064 mContext.enforceCallingOrSelfPermission( 10065 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10066 } 10067 10068 final int callingUserId = UserHandle.getCallingUserId(); 10069 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10070 if (pir != null) { 10071 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10072 if (filter.countDataSchemes() == 1) { 10073 Uri.Builder builder = new Uri.Builder(); 10074 builder.scheme(filter.getDataScheme(0)); 10075 intent.setData(builder.build()); 10076 } 10077 List<PreferredActivity> matches = pir.queryIntent( 10078 intent, null, true, callingUserId); 10079 if (DEBUG_PREFERRED) { 10080 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10081 } 10082 for (int i = 0; i < matches.size(); i++) { 10083 PreferredActivity pa = matches.get(i); 10084 if (DEBUG_PREFERRED) { 10085 Slog.i(TAG, "Removing preferred activity " 10086 + pa.mPref.mComponent + ":"); 10087 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10088 } 10089 pir.removeFilter(pa); 10090 } 10091 } 10092 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10093 } 10094 } 10095 10096 public void clearPackagePreferredActivities(String packageName) { 10097 final int uid = Binder.getCallingUid(); 10098 // writer 10099 synchronized (mPackages) { 10100 PackageParser.Package pkg = mPackages.get(packageName); 10101 if (pkg == null || pkg.applicationInfo.uid != uid) { 10102 if (mContext.checkCallingOrSelfPermission( 10103 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10104 != PackageManager.PERMISSION_GRANTED) { 10105 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10106 < Build.VERSION_CODES.FROYO) { 10107 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10108 + Binder.getCallingUid()); 10109 return; 10110 } 10111 mContext.enforceCallingOrSelfPermission( 10112 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10113 } 10114 } 10115 10116 int user = UserHandle.getCallingUserId(); 10117 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10118 mSettings.writePackageRestrictionsLPr(user); 10119 scheduleWriteSettingsLocked(); 10120 } 10121 } 10122 } 10123 10124 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10125 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10126 ArrayList<PreferredActivity> removed = null; 10127 boolean changed = false; 10128 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10129 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10130 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10131 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10132 continue; 10133 } 10134 Iterator<PreferredActivity> it = pir.filterIterator(); 10135 while (it.hasNext()) { 10136 PreferredActivity pa = it.next(); 10137 // Mark entry for removal only if it matches the package name 10138 // and the entry is of type "always". 10139 if (packageName == null || 10140 (pa.mPref.mComponent.getPackageName().equals(packageName) 10141 && pa.mPref.mAlways)) { 10142 if (removed == null) { 10143 removed = new ArrayList<PreferredActivity>(); 10144 } 10145 removed.add(pa); 10146 } 10147 } 10148 if (removed != null) { 10149 for (int j=0; j<removed.size(); j++) { 10150 PreferredActivity pa = removed.get(j); 10151 pir.removeFilter(pa); 10152 } 10153 changed = true; 10154 } 10155 } 10156 return changed; 10157 } 10158 10159 public void resetPreferredActivities(int userId) { 10160 mContext.enforceCallingOrSelfPermission( 10161 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10162 // writer 10163 synchronized (mPackages) { 10164 int user = UserHandle.getCallingUserId(); 10165 clearPackagePreferredActivitiesLPw(null, user); 10166 mSettings.readDefaultPreferredAppsLPw(this, user); 10167 mSettings.writePackageRestrictionsLPr(user); 10168 scheduleWriteSettingsLocked(); 10169 } 10170 } 10171 10172 public int getPreferredActivities(List<IntentFilter> outFilters, 10173 List<ComponentName> outActivities, String packageName) { 10174 10175 int num = 0; 10176 final int userId = UserHandle.getCallingUserId(); 10177 // reader 10178 synchronized (mPackages) { 10179 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10180 if (pir != null) { 10181 final Iterator<PreferredActivity> it = pir.filterIterator(); 10182 while (it.hasNext()) { 10183 final PreferredActivity pa = it.next(); 10184 if (packageName == null 10185 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10186 && pa.mPref.mAlways)) { 10187 if (outFilters != null) { 10188 outFilters.add(new IntentFilter(pa)); 10189 } 10190 if (outActivities != null) { 10191 outActivities.add(pa.mPref.mComponent); 10192 } 10193 } 10194 } 10195 } 10196 } 10197 10198 return num; 10199 } 10200 10201 @Override 10202 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10203 Intent intent = new Intent(Intent.ACTION_MAIN); 10204 intent.addCategory(Intent.CATEGORY_HOME); 10205 10206 final int callingUserId = UserHandle.getCallingUserId(); 10207 List<ResolveInfo> list = queryIntentActivities(intent, null, 10208 PackageManager.GET_META_DATA, callingUserId); 10209 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10210 true, false, false, callingUserId); 10211 10212 allHomeCandidates.clear(); 10213 if (list != null) { 10214 for (ResolveInfo ri : list) { 10215 allHomeCandidates.add(ri); 10216 } 10217 } 10218 return (preferred == null || preferred.activityInfo == null) 10219 ? null 10220 : new ComponentName(preferred.activityInfo.packageName, 10221 preferred.activityInfo.name); 10222 } 10223 10224 @Override 10225 public void setApplicationEnabledSetting(String appPackageName, 10226 int newState, int flags, int userId, String callingPackage) { 10227 if (!sUserManager.exists(userId)) return; 10228 if (callingPackage == null) { 10229 callingPackage = Integer.toString(Binder.getCallingUid()); 10230 } 10231 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10232 } 10233 10234 @Override 10235 public void setComponentEnabledSetting(ComponentName componentName, 10236 int newState, int flags, int userId) { 10237 if (!sUserManager.exists(userId)) return; 10238 setEnabledSetting(componentName.getPackageName(), 10239 componentName.getClassName(), newState, flags, userId, null); 10240 } 10241 10242 private void setEnabledSetting(final String packageName, String className, int newState, 10243 final int flags, int userId, String callingPackage) { 10244 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10245 || newState == COMPONENT_ENABLED_STATE_ENABLED 10246 || newState == COMPONENT_ENABLED_STATE_DISABLED 10247 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10248 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10249 throw new IllegalArgumentException("Invalid new component state: " 10250 + newState); 10251 } 10252 PackageSetting pkgSetting; 10253 final int uid = Binder.getCallingUid(); 10254 final int permission = mContext.checkCallingOrSelfPermission( 10255 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10256 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10257 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10258 boolean sendNow = false; 10259 boolean isApp = (className == null); 10260 String componentName = isApp ? packageName : className; 10261 int packageUid = -1; 10262 ArrayList<String> components; 10263 10264 // writer 10265 synchronized (mPackages) { 10266 pkgSetting = mSettings.mPackages.get(packageName); 10267 if (pkgSetting == null) { 10268 if (className == null) { 10269 throw new IllegalArgumentException( 10270 "Unknown package: " + packageName); 10271 } 10272 throw new IllegalArgumentException( 10273 "Unknown component: " + packageName 10274 + "/" + className); 10275 } 10276 // Allow root and verify that userId is not being specified by a different user 10277 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10278 throw new SecurityException( 10279 "Permission Denial: attempt to change component state from pid=" 10280 + Binder.getCallingPid() 10281 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10282 } 10283 if (className == null) { 10284 // We're dealing with an application/package level state change 10285 if (pkgSetting.getEnabled(userId) == newState) { 10286 // Nothing to do 10287 return; 10288 } 10289 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10290 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10291 // Don't care about who enables an app. 10292 callingPackage = null; 10293 } 10294 pkgSetting.setEnabled(newState, userId, callingPackage); 10295 // pkgSetting.pkg.mSetEnabled = newState; 10296 } else { 10297 // We're dealing with a component level state change 10298 // First, verify that this is a valid class name. 10299 PackageParser.Package pkg = pkgSetting.pkg; 10300 if (pkg == null || !pkg.hasComponentClassName(className)) { 10301 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10302 throw new IllegalArgumentException("Component class " + className 10303 + " does not exist in " + packageName); 10304 } else { 10305 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10306 + className + " does not exist in " + packageName); 10307 } 10308 } 10309 switch (newState) { 10310 case COMPONENT_ENABLED_STATE_ENABLED: 10311 if (!pkgSetting.enableComponentLPw(className, userId)) { 10312 return; 10313 } 10314 break; 10315 case COMPONENT_ENABLED_STATE_DISABLED: 10316 if (!pkgSetting.disableComponentLPw(className, userId)) { 10317 return; 10318 } 10319 break; 10320 case COMPONENT_ENABLED_STATE_DEFAULT: 10321 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10322 return; 10323 } 10324 break; 10325 default: 10326 Slog.e(TAG, "Invalid new component state: " + newState); 10327 return; 10328 } 10329 } 10330 mSettings.writePackageRestrictionsLPr(userId); 10331 components = mPendingBroadcasts.get(userId, packageName); 10332 final boolean newPackage = components == null; 10333 if (newPackage) { 10334 components = new ArrayList<String>(); 10335 } 10336 if (!components.contains(componentName)) { 10337 components.add(componentName); 10338 } 10339 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10340 sendNow = true; 10341 // Purge entry from pending broadcast list if another one exists already 10342 // since we are sending one right away. 10343 mPendingBroadcasts.remove(userId, packageName); 10344 } else { 10345 if (newPackage) { 10346 mPendingBroadcasts.put(userId, packageName, components); 10347 } 10348 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10349 // Schedule a message 10350 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10351 } 10352 } 10353 } 10354 10355 long callingId = Binder.clearCallingIdentity(); 10356 try { 10357 if (sendNow) { 10358 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10359 sendPackageChangedBroadcast(packageName, 10360 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10361 } 10362 } finally { 10363 Binder.restoreCallingIdentity(callingId); 10364 } 10365 } 10366 10367 private void sendPackageChangedBroadcast(String packageName, 10368 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10369 if (DEBUG_INSTALL) 10370 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10371 + componentNames); 10372 Bundle extras = new Bundle(4); 10373 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10374 String nameList[] = new String[componentNames.size()]; 10375 componentNames.toArray(nameList); 10376 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10377 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10378 extras.putInt(Intent.EXTRA_UID, packageUid); 10379 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10380 new int[] {UserHandle.getUserId(packageUid)}); 10381 } 10382 10383 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10384 if (!sUserManager.exists(userId)) return; 10385 final int uid = Binder.getCallingUid(); 10386 final int permission = mContext.checkCallingOrSelfPermission( 10387 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10388 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10389 enforceCrossUserPermission(uid, userId, true, "stop package"); 10390 // writer 10391 synchronized (mPackages) { 10392 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10393 uid, userId)) { 10394 scheduleWritePackageRestrictionsLocked(userId); 10395 } 10396 } 10397 } 10398 10399 public String getInstallerPackageName(String packageName) { 10400 // reader 10401 synchronized (mPackages) { 10402 return mSettings.getInstallerPackageNameLPr(packageName); 10403 } 10404 } 10405 10406 @Override 10407 public int getApplicationEnabledSetting(String packageName, int userId) { 10408 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10409 int uid = Binder.getCallingUid(); 10410 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10411 // reader 10412 synchronized (mPackages) { 10413 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10414 } 10415 } 10416 10417 @Override 10418 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10419 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10420 int uid = Binder.getCallingUid(); 10421 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10422 // reader 10423 synchronized (mPackages) { 10424 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10425 } 10426 } 10427 10428 public void enterSafeMode() { 10429 enforceSystemOrRoot("Only the system can request entering safe mode"); 10430 10431 if (!mSystemReady) { 10432 mSafeMode = true; 10433 } 10434 } 10435 10436 public void systemReady() { 10437 mSystemReady = true; 10438 10439 // Read the compatibilty setting when the system is ready. 10440 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10441 mContext.getContentResolver(), 10442 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10443 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10444 if (DEBUG_SETTINGS) { 10445 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10446 } 10447 10448 synchronized (mPackages) { 10449 // Verify that all of the preferred activity components actually 10450 // exist. It is possible for applications to be updated and at 10451 // that point remove a previously declared activity component that 10452 // had been set as a preferred activity. We try to clean this up 10453 // the next time we encounter that preferred activity, but it is 10454 // possible for the user flow to never be able to return to that 10455 // situation so here we do a sanity check to make sure we haven't 10456 // left any junk around. 10457 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10458 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10459 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10460 removed.clear(); 10461 for (PreferredActivity pa : pir.filterSet()) { 10462 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10463 removed.add(pa); 10464 } 10465 } 10466 if (removed.size() > 0) { 10467 for (int j=0; j<removed.size(); j++) { 10468 PreferredActivity pa = removed.get(i); 10469 Slog.w(TAG, "Removing dangling preferred activity: " 10470 + pa.mPref.mComponent); 10471 pir.removeFilter(pa); 10472 } 10473 mSettings.writePackageRestrictionsLPr( 10474 mSettings.mPreferredActivities.keyAt(i)); 10475 } 10476 } 10477 } 10478 sUserManager.systemReady(); 10479 } 10480 10481 public boolean isSafeMode() { 10482 return mSafeMode; 10483 } 10484 10485 public boolean hasSystemUidErrors() { 10486 return mHasSystemUidErrors; 10487 } 10488 10489 static String arrayToString(int[] array) { 10490 StringBuffer buf = new StringBuffer(128); 10491 buf.append('['); 10492 if (array != null) { 10493 for (int i=0; i<array.length; i++) { 10494 if (i > 0) buf.append(", "); 10495 buf.append(array[i]); 10496 } 10497 } 10498 buf.append(']'); 10499 return buf.toString(); 10500 } 10501 10502 static class DumpState { 10503 public static final int DUMP_LIBS = 1 << 0; 10504 10505 public static final int DUMP_FEATURES = 1 << 1; 10506 10507 public static final int DUMP_RESOLVERS = 1 << 2; 10508 10509 public static final int DUMP_PERMISSIONS = 1 << 3; 10510 10511 public static final int DUMP_PACKAGES = 1 << 4; 10512 10513 public static final int DUMP_SHARED_USERS = 1 << 5; 10514 10515 public static final int DUMP_MESSAGES = 1 << 6; 10516 10517 public static final int DUMP_PROVIDERS = 1 << 7; 10518 10519 public static final int DUMP_VERIFIERS = 1 << 8; 10520 10521 public static final int DUMP_PREFERRED = 1 << 9; 10522 10523 public static final int DUMP_PREFERRED_XML = 1 << 10; 10524 10525 public static final int DUMP_KEYSETS = 1 << 11; 10526 10527 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10528 10529 private int mTypes; 10530 10531 private int mOptions; 10532 10533 private boolean mTitlePrinted; 10534 10535 private SharedUserSetting mSharedUser; 10536 10537 public boolean isDumping(int type) { 10538 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10539 return true; 10540 } 10541 10542 return (mTypes & type) != 0; 10543 } 10544 10545 public void setDump(int type) { 10546 mTypes |= type; 10547 } 10548 10549 public boolean isOptionEnabled(int option) { 10550 return (mOptions & option) != 0; 10551 } 10552 10553 public void setOptionEnabled(int option) { 10554 mOptions |= option; 10555 } 10556 10557 public boolean onTitlePrinted() { 10558 final boolean printed = mTitlePrinted; 10559 mTitlePrinted = true; 10560 return printed; 10561 } 10562 10563 public boolean getTitlePrinted() { 10564 return mTitlePrinted; 10565 } 10566 10567 public void setTitlePrinted(boolean enabled) { 10568 mTitlePrinted = enabled; 10569 } 10570 10571 public SharedUserSetting getSharedUser() { 10572 return mSharedUser; 10573 } 10574 10575 public void setSharedUser(SharedUserSetting user) { 10576 mSharedUser = user; 10577 } 10578 } 10579 10580 @Override 10581 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10582 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10583 != PackageManager.PERMISSION_GRANTED) { 10584 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10585 + Binder.getCallingPid() 10586 + ", uid=" + Binder.getCallingUid() 10587 + " without permission " 10588 + android.Manifest.permission.DUMP); 10589 return; 10590 } 10591 10592 DumpState dumpState = new DumpState(); 10593 boolean fullPreferred = false; 10594 10595 String packageName = null; 10596 10597 int opti = 0; 10598 while (opti < args.length) { 10599 String opt = args[opti]; 10600 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10601 break; 10602 } 10603 opti++; 10604 if ("-a".equals(opt)) { 10605 // Right now we only know how to print all. 10606 } else if ("-h".equals(opt)) { 10607 pw.println("Package manager dump options:"); 10608 pw.println(" [-h] [-f] [cmd] ..."); 10609 pw.println(" -f: print details of intent filters"); 10610 pw.println(" -h: print this help"); 10611 pw.println(" cmd may be one of:"); 10612 pw.println(" l[ibraries]: list known shared libraries"); 10613 pw.println(" f[ibraries]: list device features"); 10614 pw.println(" r[esolvers]: dump intent resolvers"); 10615 pw.println(" perm[issions]: dump permissions"); 10616 pw.println(" pref[erred]: print preferred package settings"); 10617 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10618 pw.println(" prov[iders]: dump content providers"); 10619 pw.println(" p[ackages]: dump installed packages"); 10620 pw.println(" s[hared-users]: dump shared user IDs"); 10621 pw.println(" m[essages]: print collected runtime messages"); 10622 pw.println(" v[erifiers]: print package verifier info"); 10623 pw.println(" <package.name>: info about given package"); 10624 pw.println(" k[eysets]: print known keysets"); 10625 return; 10626 } else if ("-f".equals(opt)) { 10627 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10628 } else { 10629 pw.println("Unknown argument: " + opt + "; use -h for help"); 10630 } 10631 } 10632 10633 // Is the caller requesting to dump a particular piece of data? 10634 if (opti < args.length) { 10635 String cmd = args[opti]; 10636 opti++; 10637 // Is this a package name? 10638 if ("android".equals(cmd) || cmd.contains(".")) { 10639 packageName = cmd; 10640 // When dumping a single package, we always dump all of its 10641 // filter information since the amount of data will be reasonable. 10642 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10643 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10644 dumpState.setDump(DumpState.DUMP_LIBS); 10645 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10646 dumpState.setDump(DumpState.DUMP_FEATURES); 10647 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10648 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10649 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10650 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10651 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10652 dumpState.setDump(DumpState.DUMP_PREFERRED); 10653 } else if ("preferred-xml".equals(cmd)) { 10654 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10655 if (opti < args.length && "--full".equals(args[opti])) { 10656 fullPreferred = true; 10657 opti++; 10658 } 10659 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10660 dumpState.setDump(DumpState.DUMP_PACKAGES); 10661 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10662 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10663 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10664 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10665 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10666 dumpState.setDump(DumpState.DUMP_MESSAGES); 10667 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10668 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10669 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10670 dumpState.setDump(DumpState.DUMP_KEYSETS); 10671 } 10672 } 10673 10674 // reader 10675 synchronized (mPackages) { 10676 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10677 if (dumpState.onTitlePrinted()) 10678 pw.println(); 10679 pw.println("Verifiers:"); 10680 pw.print(" Required: "); 10681 pw.print(mRequiredVerifierPackage); 10682 pw.print(" (uid="); 10683 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10684 pw.println(")"); 10685 } 10686 10687 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 10688 boolean printedHeader = false; 10689 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 10690 while (it.hasNext()) { 10691 String name = it.next(); 10692 SharedLibraryEntry ent = mSharedLibraries.get(name); 10693 if (!printedHeader) { 10694 if (dumpState.onTitlePrinted()) 10695 pw.println(); 10696 pw.println("Libraries:"); 10697 printedHeader = true; 10698 } 10699 pw.print(" "); 10700 pw.print(name); 10701 pw.print(" -> "); 10702 if (ent.path != null) { 10703 pw.print("(jar) "); 10704 pw.print(ent.path); 10705 } else { 10706 pw.print("(apk) "); 10707 pw.print(ent.apk); 10708 } 10709 pw.println(); 10710 } 10711 } 10712 10713 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 10714 if (dumpState.onTitlePrinted()) 10715 pw.println(); 10716 pw.println("Features:"); 10717 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 10718 while (it.hasNext()) { 10719 String name = it.next(); 10720 pw.print(" "); 10721 pw.println(name); 10722 } 10723 } 10724 10725 if (dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 10726 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 10727 : "Activity Resolver Table:", " ", packageName, 10728 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10729 dumpState.setTitlePrinted(true); 10730 } 10731 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 10732 : "Receiver Resolver Table:", " ", packageName, 10733 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10734 dumpState.setTitlePrinted(true); 10735 } 10736 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 10737 : "Service Resolver Table:", " ", packageName, 10738 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10739 dumpState.setTitlePrinted(true); 10740 } 10741 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 10742 : "Provider Resolver Table:", " ", packageName, 10743 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10744 dumpState.setTitlePrinted(true); 10745 } 10746 } 10747 10748 if (dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 10749 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10750 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10751 int user = mSettings.mPreferredActivities.keyAt(i); 10752 if (pir.dump(pw, 10753 dumpState.getTitlePrinted() 10754 ? "\nPreferred Activities User " + user + ":" 10755 : "Preferred Activities User " + user + ":", " ", 10756 packageName, true)) { 10757 dumpState.setTitlePrinted(true); 10758 } 10759 } 10760 } 10761 10762 if (dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 10763 pw.flush(); 10764 FileOutputStream fout = new FileOutputStream(fd); 10765 BufferedOutputStream str = new BufferedOutputStream(fout); 10766 XmlSerializer serializer = new FastXmlSerializer(); 10767 try { 10768 serializer.setOutput(str, "utf-8"); 10769 serializer.startDocument(null, true); 10770 serializer.setFeature( 10771 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 10772 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 10773 serializer.endDocument(); 10774 serializer.flush(); 10775 } catch (IllegalArgumentException e) { 10776 pw.println("Failed writing: " + e); 10777 } catch (IllegalStateException e) { 10778 pw.println("Failed writing: " + e); 10779 } catch (IOException e) { 10780 pw.println("Failed writing: " + e); 10781 } 10782 } 10783 10784 if (dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 10785 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 10786 } 10787 10788 if (dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 10789 boolean printedSomething = false; 10790 for (PackageParser.Provider p : mProviders.mProviders.values()) { 10791 if (packageName != null && !packageName.equals(p.info.packageName)) { 10792 continue; 10793 } 10794 if (!printedSomething) { 10795 if (dumpState.onTitlePrinted()) 10796 pw.println(); 10797 pw.println("Registered ContentProviders:"); 10798 printedSomething = true; 10799 } 10800 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 10801 pw.print(" "); pw.println(p.toString()); 10802 } 10803 printedSomething = false; 10804 for (Map.Entry<String, PackageParser.Provider> entry : 10805 mProvidersByAuthority.entrySet()) { 10806 PackageParser.Provider p = entry.getValue(); 10807 if (packageName != null && !packageName.equals(p.info.packageName)) { 10808 continue; 10809 } 10810 if (!printedSomething) { 10811 if (dumpState.onTitlePrinted()) 10812 pw.println(); 10813 pw.println("ContentProvider Authorities:"); 10814 printedSomething = true; 10815 } 10816 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 10817 pw.print(" "); pw.println(p.toString()); 10818 if (p.info != null && p.info.applicationInfo != null) { 10819 final String appInfo = p.info.applicationInfo.toString(); 10820 pw.print(" applicationInfo="); pw.println(appInfo); 10821 } 10822 } 10823 } 10824 10825 if (dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 10826 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 10827 } 10828 10829 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 10830 mSettings.dumpPackagesLPr(pw, packageName, dumpState); 10831 } 10832 10833 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 10834 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 10835 } 10836 10837 if (dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 10838 if (dumpState.onTitlePrinted()) 10839 pw.println(); 10840 mSettings.dumpReadMessagesLPr(pw, dumpState); 10841 10842 pw.println(); 10843 pw.println("Package warning messages:"); 10844 final File fname = getSettingsProblemFile(); 10845 FileInputStream in = null; 10846 try { 10847 in = new FileInputStream(fname); 10848 final int avail = in.available(); 10849 final byte[] data = new byte[avail]; 10850 in.read(data); 10851 pw.print(new String(data)); 10852 } catch (FileNotFoundException e) { 10853 } catch (IOException e) { 10854 } finally { 10855 if (in != null) { 10856 try { 10857 in.close(); 10858 } catch (IOException e) { 10859 } 10860 } 10861 } 10862 } 10863 } 10864 } 10865 10866 // ------- apps on sdcard specific code ------- 10867 static final boolean DEBUG_SD_INSTALL = false; 10868 10869 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 10870 10871 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 10872 10873 private boolean mMediaMounted = false; 10874 10875 private String getEncryptKey() { 10876 try { 10877 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 10878 SD_ENCRYPTION_KEYSTORE_NAME); 10879 if (sdEncKey == null) { 10880 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 10881 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 10882 if (sdEncKey == null) { 10883 Slog.e(TAG, "Failed to create encryption keys"); 10884 return null; 10885 } 10886 } 10887 return sdEncKey; 10888 } catch (NoSuchAlgorithmException nsae) { 10889 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 10890 return null; 10891 } catch (IOException ioe) { 10892 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 10893 return null; 10894 } 10895 10896 } 10897 10898 /* package */static String getTempContainerId() { 10899 int tmpIdx = 1; 10900 String list[] = PackageHelper.getSecureContainerList(); 10901 if (list != null) { 10902 for (final String name : list) { 10903 // Ignore null and non-temporary container entries 10904 if (name == null || !name.startsWith(mTempContainerPrefix)) { 10905 continue; 10906 } 10907 10908 String subStr = name.substring(mTempContainerPrefix.length()); 10909 try { 10910 int cid = Integer.parseInt(subStr); 10911 if (cid >= tmpIdx) { 10912 tmpIdx = cid + 1; 10913 } 10914 } catch (NumberFormatException e) { 10915 } 10916 } 10917 } 10918 return mTempContainerPrefix + tmpIdx; 10919 } 10920 10921 /* 10922 * Update media status on PackageManager. 10923 */ 10924 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 10925 int callingUid = Binder.getCallingUid(); 10926 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 10927 throw new SecurityException("Media status can only be updated by the system"); 10928 } 10929 // reader; this apparently protects mMediaMounted, but should probably 10930 // be a different lock in that case. 10931 synchronized (mPackages) { 10932 Log.i(TAG, "Updating external media status from " 10933 + (mMediaMounted ? "mounted" : "unmounted") + " to " 10934 + (mediaStatus ? "mounted" : "unmounted")); 10935 if (DEBUG_SD_INSTALL) 10936 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 10937 + ", mMediaMounted=" + mMediaMounted); 10938 if (mediaStatus == mMediaMounted) { 10939 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 10940 : 0, -1); 10941 mHandler.sendMessage(msg); 10942 return; 10943 } 10944 mMediaMounted = mediaStatus; 10945 } 10946 // Queue up an async operation since the package installation may take a 10947 // little while. 10948 mHandler.post(new Runnable() { 10949 public void run() { 10950 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 10951 } 10952 }); 10953 } 10954 10955 /** 10956 * Called by MountService when the initial ASECs to scan are available. 10957 * Should block until all the ASEC containers are finished being scanned. 10958 */ 10959 public void scanAvailableAsecs() { 10960 updateExternalMediaStatusInner(true, false, false); 10961 } 10962 10963 /* 10964 * Collect information of applications on external media, map them against 10965 * existing containers and update information based on current mount status. 10966 * Please note that we always have to report status if reportStatus has been 10967 * set to true especially when unloading packages. 10968 */ 10969 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 10970 boolean externalStorage) { 10971 // Collection of uids 10972 int uidArr[] = null; 10973 // Collection of stale containers 10974 HashSet<String> removeCids = new HashSet<String>(); 10975 // Collection of packages on external media with valid containers. 10976 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 10977 // Get list of secure containers. 10978 final String list[] = PackageHelper.getSecureContainerList(); 10979 if (list == null || list.length == 0) { 10980 Log.i(TAG, "No secure containers on sdcard"); 10981 } else { 10982 // Process list of secure containers and categorize them 10983 // as active or stale based on their package internal state. 10984 int uidList[] = new int[list.length]; 10985 int num = 0; 10986 // reader 10987 synchronized (mPackages) { 10988 for (String cid : list) { 10989 if (DEBUG_SD_INSTALL) 10990 Log.i(TAG, "Processing container " + cid); 10991 String pkgName = getAsecPackageName(cid); 10992 if (pkgName == null) { 10993 if (DEBUG_SD_INSTALL) 10994 Log.i(TAG, "Container : " + cid + " stale"); 10995 removeCids.add(cid); 10996 continue; 10997 } 10998 if (DEBUG_SD_INSTALL) 10999 Log.i(TAG, "Looking for pkg : " + pkgName); 11000 11001 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11002 if (ps == null) { 11003 Log.i(TAG, "Deleting container with no matching settings " + cid); 11004 removeCids.add(cid); 11005 continue; 11006 } 11007 11008 /* 11009 * Skip packages that are not external if we're unmounting 11010 * external storage. 11011 */ 11012 if (externalStorage && !isMounted && !isExternal(ps)) { 11013 continue; 11014 } 11015 11016 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11017 // The package status is changed only if the code path 11018 // matches between settings and the container id. 11019 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11020 if (DEBUG_SD_INSTALL) { 11021 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11022 + " at code path: " + ps.codePathString); 11023 } 11024 11025 // We do have a valid package installed on sdcard 11026 processCids.put(args, ps.codePathString); 11027 final int uid = ps.appId; 11028 if (uid != -1) { 11029 uidList[num++] = uid; 11030 } 11031 } else { 11032 Log.i(TAG, "Deleting stale container for " + cid); 11033 removeCids.add(cid); 11034 } 11035 } 11036 } 11037 11038 if (num > 0) { 11039 // Sort uid list 11040 Arrays.sort(uidList, 0, num); 11041 // Throw away duplicates 11042 uidArr = new int[num]; 11043 uidArr[0] = uidList[0]; 11044 int di = 0; 11045 for (int i = 1; i < num; i++) { 11046 if (uidList[i - 1] != uidList[i]) { 11047 uidArr[di++] = uidList[i]; 11048 } 11049 } 11050 } 11051 } 11052 // Process packages with valid entries. 11053 if (isMounted) { 11054 if (DEBUG_SD_INSTALL) 11055 Log.i(TAG, "Loading packages"); 11056 loadMediaPackages(processCids, uidArr, removeCids); 11057 startCleaningPackages(); 11058 } else { 11059 if (DEBUG_SD_INSTALL) 11060 Log.i(TAG, "Unloading packages"); 11061 unloadMediaPackages(processCids, uidArr, reportStatus); 11062 } 11063 } 11064 11065 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11066 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11067 int size = pkgList.size(); 11068 if (size > 0) { 11069 // Send broadcasts here 11070 Bundle extras = new Bundle(); 11071 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11072 .toArray(new String[size])); 11073 if (uidArr != null) { 11074 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11075 } 11076 if (replacing && !mediaStatus) { 11077 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11078 } 11079 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11080 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11081 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11082 } 11083 } 11084 11085 /* 11086 * Look at potentially valid container ids from processCids If package 11087 * information doesn't match the one on record or package scanning fails, 11088 * the cid is added to list of removeCids. We currently don't delete stale 11089 * containers. 11090 */ 11091 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11092 HashSet<String> removeCids) { 11093 ArrayList<String> pkgList = new ArrayList<String>(); 11094 Set<AsecInstallArgs> keys = processCids.keySet(); 11095 boolean doGc = false; 11096 for (AsecInstallArgs args : keys) { 11097 String codePath = processCids.get(args); 11098 if (DEBUG_SD_INSTALL) 11099 Log.i(TAG, "Loading container : " + args.cid); 11100 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11101 try { 11102 // Make sure there are no container errors first. 11103 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11104 Slog.e(TAG, "Failed to mount cid : " + args.cid 11105 + " when installing from sdcard"); 11106 continue; 11107 } 11108 // Check code path here. 11109 if (codePath == null || !codePath.equals(args.getCodePath())) { 11110 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11111 + " does not match one in settings " + codePath); 11112 continue; 11113 } 11114 // Parse package 11115 int parseFlags = mDefParseFlags; 11116 if (args.isExternal()) { 11117 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11118 } 11119 if (args.isFwdLocked()) { 11120 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11121 } 11122 11123 doGc = true; 11124 synchronized (mInstallLock) { 11125 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11126 0, 0, null); 11127 // Scan the package 11128 if (pkg != null) { 11129 /* 11130 * TODO why is the lock being held? doPostInstall is 11131 * called in other places without the lock. This needs 11132 * to be straightened out. 11133 */ 11134 // writer 11135 synchronized (mPackages) { 11136 retCode = PackageManager.INSTALL_SUCCEEDED; 11137 pkgList.add(pkg.packageName); 11138 // Post process args 11139 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11140 pkg.applicationInfo.uid); 11141 } 11142 } else { 11143 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11144 } 11145 } 11146 11147 } finally { 11148 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11149 // Don't destroy container here. Wait till gc clears things 11150 // up. 11151 removeCids.add(args.cid); 11152 } 11153 } 11154 } 11155 // writer 11156 synchronized (mPackages) { 11157 // If the platform SDK has changed since the last time we booted, 11158 // we need to re-grant app permission to catch any new ones that 11159 // appear. This is really a hack, and means that apps can in some 11160 // cases get permissions that the user didn't initially explicitly 11161 // allow... it would be nice to have some better way to handle 11162 // this situation. 11163 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11164 if (regrantPermissions) 11165 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11166 + mSdkVersion + "; regranting permissions for external storage"); 11167 mSettings.mExternalSdkPlatform = mSdkVersion; 11168 11169 // Make sure group IDs have been assigned, and any permission 11170 // changes in other apps are accounted for 11171 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11172 | (regrantPermissions 11173 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11174 : 0)); 11175 // can downgrade to reader 11176 // Persist settings 11177 mSettings.writeLPr(); 11178 } 11179 // Send a broadcast to let everyone know we are done processing 11180 if (pkgList.size() > 0) { 11181 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11182 } 11183 // Force gc to avoid any stale parser references that we might have. 11184 if (doGc) { 11185 Runtime.getRuntime().gc(); 11186 } 11187 // List stale containers and destroy stale temporary containers. 11188 if (removeCids != null) { 11189 for (String cid : removeCids) { 11190 if (cid.startsWith(mTempContainerPrefix)) { 11191 Log.i(TAG, "Destroying stale temporary container " + cid); 11192 PackageHelper.destroySdDir(cid); 11193 } else { 11194 Log.w(TAG, "Container " + cid + " is stale"); 11195 } 11196 } 11197 } 11198 } 11199 11200 /* 11201 * Utility method to unload a list of specified containers 11202 */ 11203 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11204 // Just unmount all valid containers. 11205 for (AsecInstallArgs arg : cidArgs) { 11206 synchronized (mInstallLock) { 11207 arg.doPostDeleteLI(false); 11208 } 11209 } 11210 } 11211 11212 /* 11213 * Unload packages mounted on external media. This involves deleting package 11214 * data from internal structures, sending broadcasts about diabled packages, 11215 * gc'ing to free up references, unmounting all secure containers 11216 * corresponding to packages on external media, and posting a 11217 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11218 * that we always have to post this message if status has been requested no 11219 * matter what. 11220 */ 11221 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11222 final boolean reportStatus) { 11223 if (DEBUG_SD_INSTALL) 11224 Log.i(TAG, "unloading media packages"); 11225 ArrayList<String> pkgList = new ArrayList<String>(); 11226 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11227 final Set<AsecInstallArgs> keys = processCids.keySet(); 11228 for (AsecInstallArgs args : keys) { 11229 String pkgName = args.getPackageName(); 11230 if (DEBUG_SD_INSTALL) 11231 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11232 // Delete package internally 11233 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11234 synchronized (mInstallLock) { 11235 boolean res = deletePackageLI(pkgName, null, false, null, null, 11236 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11237 if (res) { 11238 pkgList.add(pkgName); 11239 } else { 11240 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11241 failedList.add(args); 11242 } 11243 } 11244 } 11245 11246 // reader 11247 synchronized (mPackages) { 11248 // We didn't update the settings after removing each package; 11249 // write them now for all packages. 11250 mSettings.writeLPr(); 11251 } 11252 11253 // We have to absolutely send UPDATED_MEDIA_STATUS only 11254 // after confirming that all the receivers processed the ordered 11255 // broadcast when packages get disabled, force a gc to clean things up. 11256 // and unload all the containers. 11257 if (pkgList.size() > 0) { 11258 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11259 new IIntentReceiver.Stub() { 11260 public void performReceive(Intent intent, int resultCode, String data, 11261 Bundle extras, boolean ordered, boolean sticky, 11262 int sendingUser) throws RemoteException { 11263 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11264 reportStatus ? 1 : 0, 1, keys); 11265 mHandler.sendMessage(msg); 11266 } 11267 }); 11268 } else { 11269 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11270 keys); 11271 mHandler.sendMessage(msg); 11272 } 11273 } 11274 11275 /** Binder call */ 11276 @Override 11277 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11278 final int flags) { 11279 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11280 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11281 int returnCode = PackageManager.MOVE_SUCCEEDED; 11282 int currFlags = 0; 11283 int newFlags = 0; 11284 // reader 11285 synchronized (mPackages) { 11286 PackageParser.Package pkg = mPackages.get(packageName); 11287 if (pkg == null) { 11288 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11289 } else { 11290 // Disable moving fwd locked apps and system packages 11291 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11292 Slog.w(TAG, "Cannot move system application"); 11293 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11294 } else if (pkg.mOperationPending) { 11295 Slog.w(TAG, "Attempt to move package which has pending operations"); 11296 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11297 } else { 11298 // Find install location first 11299 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11300 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11301 Slog.w(TAG, "Ambigous flags specified for move location."); 11302 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11303 } else { 11304 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11305 : PackageManager.INSTALL_INTERNAL; 11306 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11307 : PackageManager.INSTALL_INTERNAL; 11308 11309 if (newFlags == currFlags) { 11310 Slog.w(TAG, "No move required. Trying to move to same location"); 11311 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11312 } else { 11313 if (isForwardLocked(pkg)) { 11314 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11315 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11316 } 11317 } 11318 } 11319 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11320 pkg.mOperationPending = true; 11321 } 11322 } 11323 } 11324 11325 /* 11326 * TODO this next block probably shouldn't be inside the lock. We 11327 * can't guarantee these won't change after this is fired off 11328 * anyway. 11329 */ 11330 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11331 processPendingMove(new MoveParams(null, observer, 0, packageName, 11332 null, -1, user), 11333 returnCode); 11334 } else { 11335 Message msg = mHandler.obtainMessage(INIT_COPY); 11336 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11337 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11338 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11339 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11340 msg.obj = mp; 11341 mHandler.sendMessage(msg); 11342 } 11343 } 11344 } 11345 11346 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11347 // Queue up an async operation since the package deletion may take a 11348 // little while. 11349 mHandler.post(new Runnable() { 11350 public void run() { 11351 // TODO fix this; this does nothing. 11352 mHandler.removeCallbacks(this); 11353 int returnCode = currentStatus; 11354 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11355 int uidArr[] = null; 11356 ArrayList<String> pkgList = null; 11357 synchronized (mPackages) { 11358 PackageParser.Package pkg = mPackages.get(mp.packageName); 11359 if (pkg == null) { 11360 Slog.w(TAG, " Package " + mp.packageName 11361 + " doesn't exist. Aborting move"); 11362 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11363 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11364 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11365 + mp.srcArgs.getCodePath() + " to " 11366 + pkg.applicationInfo.sourceDir 11367 + " Aborting move and returning error"); 11368 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11369 } else { 11370 uidArr = new int[] { 11371 pkg.applicationInfo.uid 11372 }; 11373 pkgList = new ArrayList<String>(); 11374 pkgList.add(mp.packageName); 11375 } 11376 } 11377 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11378 // Send resources unavailable broadcast 11379 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11380 // Update package code and resource paths 11381 synchronized (mInstallLock) { 11382 synchronized (mPackages) { 11383 PackageParser.Package pkg = mPackages.get(mp.packageName); 11384 // Recheck for package again. 11385 if (pkg == null) { 11386 Slog.w(TAG, " Package " + mp.packageName 11387 + " doesn't exist. Aborting move"); 11388 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11389 } else if (!mp.srcArgs.getCodePath().equals( 11390 pkg.applicationInfo.sourceDir)) { 11391 Slog.w(TAG, "Package " + mp.packageName 11392 + " code path changed from " + mp.srcArgs.getCodePath() 11393 + " to " + pkg.applicationInfo.sourceDir 11394 + " Aborting move and returning error"); 11395 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11396 } else { 11397 final String oldCodePath = pkg.mPath; 11398 final String newCodePath = mp.targetArgs.getCodePath(); 11399 final String newResPath = mp.targetArgs.getResourcePath(); 11400 final String newNativePath = mp.targetArgs 11401 .getNativeLibraryPath(); 11402 11403 final File newNativeDir = new File(newNativePath); 11404 11405 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11406 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11407 new File(newCodePath), newNativeDir); 11408 } 11409 final int[] users = sUserManager.getUserIds(); 11410 for (int user : users) { 11411 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11412 newNativePath, user) < 0) { 11413 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11414 } 11415 } 11416 11417 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11418 pkg.mPath = newCodePath; 11419 // Move dex files around 11420 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11421 // Moving of dex files failed. Set 11422 // error code and abort move. 11423 pkg.mPath = pkg.mScanPath; 11424 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11425 } 11426 } 11427 11428 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11429 pkg.mScanPath = newCodePath; 11430 pkg.applicationInfo.sourceDir = newCodePath; 11431 pkg.applicationInfo.publicSourceDir = newResPath; 11432 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11433 PackageSetting ps = (PackageSetting) pkg.mExtras; 11434 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11435 ps.codePathString = ps.codePath.getPath(); 11436 ps.resourcePath = new File( 11437 pkg.applicationInfo.publicSourceDir); 11438 ps.resourcePathString = ps.resourcePath.getPath(); 11439 ps.nativeLibraryPathString = newNativePath; 11440 // Set the application info flag 11441 // correctly. 11442 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11443 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11444 } else { 11445 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11446 } 11447 ps.setFlags(pkg.applicationInfo.flags); 11448 mAppDirs.remove(oldCodePath); 11449 mAppDirs.put(newCodePath, pkg); 11450 // Persist settings 11451 mSettings.writeLPr(); 11452 } 11453 } 11454 } 11455 } 11456 // Send resources available broadcast 11457 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11458 } 11459 } 11460 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11461 // Clean up failed installation 11462 if (mp.targetArgs != null) { 11463 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11464 -1); 11465 } 11466 } else { 11467 // Force a gc to clear things up. 11468 Runtime.getRuntime().gc(); 11469 // Delete older code 11470 synchronized (mInstallLock) { 11471 mp.srcArgs.doPostDeleteLI(true); 11472 } 11473 } 11474 11475 // Allow more operations on this file if we didn't fail because 11476 // an operation was already pending for this package. 11477 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11478 synchronized (mPackages) { 11479 PackageParser.Package pkg = mPackages.get(mp.packageName); 11480 if (pkg != null) { 11481 pkg.mOperationPending = false; 11482 } 11483 } 11484 } 11485 11486 IPackageMoveObserver observer = mp.observer; 11487 if (observer != null) { 11488 try { 11489 observer.packageMoved(mp.packageName, returnCode); 11490 } catch (RemoteException e) { 11491 Log.i(TAG, "Observer no longer exists."); 11492 } 11493 } 11494 } 11495 }); 11496 } 11497 11498 public boolean setInstallLocation(int loc) { 11499 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11500 null); 11501 if (getInstallLocation() == loc) { 11502 return true; 11503 } 11504 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11505 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11506 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11507 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11508 return true; 11509 } 11510 return false; 11511 } 11512 11513 public int getInstallLocation() { 11514 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11515 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11516 PackageHelper.APP_INSTALL_AUTO); 11517 } 11518 11519 /** Called by UserManagerService */ 11520 void cleanUpUserLILPw(int userHandle) { 11521 mDirtyUsers.remove(userHandle); 11522 mSettings.removeUserLPr(userHandle); 11523 mPendingBroadcasts.remove(userHandle); 11524 if (mInstaller != null) { 11525 // Technically, we shouldn't be doing this with the package lock 11526 // held. However, this is very rare, and there is already so much 11527 // other disk I/O going on, that we'll let it slide for now. 11528 mInstaller.removeUserDataDirs(userHandle); 11529 } 11530 } 11531 11532 /** Called by UserManagerService */ 11533 void createNewUserLILPw(int userHandle, File path) { 11534 if (mInstaller != null) { 11535 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11536 } 11537 } 11538 11539 @Override 11540 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11541 mContext.enforceCallingOrSelfPermission( 11542 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11543 "Only package verification agents can read the verifier device identity"); 11544 11545 synchronized (mPackages) { 11546 return mSettings.getVerifierDeviceIdentityLPw(); 11547 } 11548 } 11549 11550 @Override 11551 public void setPermissionEnforced(String permission, boolean enforced) { 11552 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11553 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11554 synchronized (mPackages) { 11555 if (mSettings.mReadExternalStorageEnforced == null 11556 || mSettings.mReadExternalStorageEnforced != enforced) { 11557 mSettings.mReadExternalStorageEnforced = enforced; 11558 mSettings.writeLPr(); 11559 } 11560 } 11561 // kill any non-foreground processes so we restart them and 11562 // grant/revoke the GID. 11563 final IActivityManager am = ActivityManagerNative.getDefault(); 11564 if (am != null) { 11565 final long token = Binder.clearCallingIdentity(); 11566 try { 11567 am.killProcessesBelowForeground("setPermissionEnforcement"); 11568 } catch (RemoteException e) { 11569 } finally { 11570 Binder.restoreCallingIdentity(token); 11571 } 11572 } 11573 } else { 11574 throw new IllegalArgumentException("No selective enforcement for " + permission); 11575 } 11576 } 11577 11578 @Override 11579 @Deprecated 11580 public boolean isPermissionEnforced(String permission) { 11581 return true; 11582 } 11583 11584 @Override 11585 public boolean isStorageLow() { 11586 final long token = Binder.clearCallingIdentity(); 11587 try { 11588 final DeviceStorageMonitorInternal 11589 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11590 if (dsm != null) { 11591 return dsm.isMemoryLow(); 11592 } else { 11593 return false; 11594 } 11595 } finally { 11596 Binder.restoreCallingIdentity(token); 11597 } 11598 } 11599} 11600