PackageManagerService.java revision f5b3a01e54d9b2e496f865e05b18f9455b0b8038
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 /** 2550 * Compares two sets of signatures. Returns: 2551 * <br /> 2552 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2553 * <br /> 2554 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2555 * <br /> 2556 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2557 * <br /> 2558 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2559 * <br /> 2560 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2561 */ 2562 static int compareSignatures(Signature[] s1, Signature[] s2) { 2563 if (s1 == null) { 2564 return s2 == null 2565 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2566 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2567 } 2568 2569 if (s2 == null) { 2570 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2571 } 2572 2573 if (s1.length != s2.length) { 2574 return PackageManager.SIGNATURE_NO_MATCH; 2575 } 2576 2577 // Since both signature sets are of size 1, we can compare without HashSets. 2578 if (s1.length == 1) { 2579 return s1[0].equals(s2[0]) ? 2580 PackageManager.SIGNATURE_MATCH : 2581 PackageManager.SIGNATURE_NO_MATCH; 2582 } 2583 2584 HashSet<Signature> set1 = new HashSet<Signature>(); 2585 for (Signature sig : s1) { 2586 set1.add(sig); 2587 } 2588 HashSet<Signature> set2 = new HashSet<Signature>(); 2589 for (Signature sig : s2) { 2590 set2.add(sig); 2591 } 2592 // Make sure s2 contains all signatures in s1. 2593 if (set1.equals(set2)) { 2594 return PackageManager.SIGNATURE_MATCH; 2595 } 2596 return PackageManager.SIGNATURE_NO_MATCH; 2597 } 2598 2599 public String[] getPackagesForUid(int uid) { 2600 uid = UserHandle.getAppId(uid); 2601 // reader 2602 synchronized (mPackages) { 2603 Object obj = mSettings.getUserIdLPr(uid); 2604 if (obj instanceof SharedUserSetting) { 2605 final SharedUserSetting sus = (SharedUserSetting) obj; 2606 final int N = sus.packages.size(); 2607 final String[] res = new String[N]; 2608 final Iterator<PackageSetting> it = sus.packages.iterator(); 2609 int i = 0; 2610 while (it.hasNext()) { 2611 res[i++] = it.next().name; 2612 } 2613 return res; 2614 } else if (obj instanceof PackageSetting) { 2615 final PackageSetting ps = (PackageSetting) obj; 2616 return new String[] { ps.name }; 2617 } 2618 } 2619 return null; 2620 } 2621 2622 public String getNameForUid(int uid) { 2623 // reader 2624 synchronized (mPackages) { 2625 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2626 if (obj instanceof SharedUserSetting) { 2627 final SharedUserSetting sus = (SharedUserSetting) obj; 2628 return sus.name + ":" + sus.userId; 2629 } else if (obj instanceof PackageSetting) { 2630 final PackageSetting ps = (PackageSetting) obj; 2631 return ps.name; 2632 } 2633 } 2634 return null; 2635 } 2636 2637 public int getUidForSharedUser(String sharedUserName) { 2638 if(sharedUserName == null) { 2639 return -1; 2640 } 2641 // reader 2642 synchronized (mPackages) { 2643 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2644 if (suid == null) { 2645 return -1; 2646 } 2647 return suid.userId; 2648 } 2649 } 2650 2651 public int getFlagsForUid(int uid) { 2652 synchronized (mPackages) { 2653 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2654 if (obj instanceof SharedUserSetting) { 2655 final SharedUserSetting sus = (SharedUserSetting) obj; 2656 return sus.pkgFlags; 2657 } else if (obj instanceof PackageSetting) { 2658 final PackageSetting ps = (PackageSetting) obj; 2659 return ps.pkgFlags; 2660 } 2661 } 2662 return 0; 2663 } 2664 2665 @Override 2666 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2667 int flags, int userId) { 2668 if (!sUserManager.exists(userId)) return null; 2669 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2670 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2671 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2672 } 2673 2674 @Override 2675 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2676 IntentFilter filter, int match, ComponentName activity) { 2677 final int userId = UserHandle.getCallingUserId(); 2678 if (DEBUG_PREFERRED) { 2679 Log.v(TAG, "setLastChosenActivity intent=" + intent 2680 + " resolvedType=" + resolvedType 2681 + " flags=" + flags 2682 + " filter=" + filter 2683 + " match=" + match 2684 + " activity=" + activity); 2685 filter.dump(new PrintStreamPrinter(System.out), " "); 2686 } 2687 intent.setComponent(null); 2688 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2689 // Find any earlier preferred or last chosen entries and nuke them 2690 findPreferredActivity(intent, resolvedType, 2691 flags, query, 0, false, true, false, userId); 2692 // Add the new activity as the last chosen for this filter 2693 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2694 } 2695 2696 @Override 2697 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2698 final int userId = UserHandle.getCallingUserId(); 2699 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2700 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2701 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2702 false, false, false, userId); 2703 } 2704 2705 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2706 int flags, List<ResolveInfo> query, int userId) { 2707 if (query != null) { 2708 final int N = query.size(); 2709 if (N == 1) { 2710 return query.get(0); 2711 } else if (N > 1) { 2712 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2713 // If there is more than one activity with the same priority, 2714 // then let the user decide between them. 2715 ResolveInfo r0 = query.get(0); 2716 ResolveInfo r1 = query.get(1); 2717 if (DEBUG_INTENT_MATCHING || debug) { 2718 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2719 + r1.activityInfo.name + "=" + r1.priority); 2720 } 2721 // If the first activity has a higher priority, or a different 2722 // default, then it is always desireable to pick it. 2723 if (r0.priority != r1.priority 2724 || r0.preferredOrder != r1.preferredOrder 2725 || r0.isDefault != r1.isDefault) { 2726 return query.get(0); 2727 } 2728 // If we have saved a preference for a preferred activity for 2729 // this Intent, use that. 2730 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2731 flags, query, r0.priority, true, false, debug, userId); 2732 if (ri != null) { 2733 return ri; 2734 } 2735 if (userId != 0) { 2736 ri = new ResolveInfo(mResolveInfo); 2737 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2738 ri.activityInfo.applicationInfo = new ApplicationInfo( 2739 ri.activityInfo.applicationInfo); 2740 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2741 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2742 return ri; 2743 } 2744 return mResolveInfo; 2745 } 2746 } 2747 return null; 2748 } 2749 2750 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2751 List<ResolveInfo> query, int priority, boolean always, 2752 boolean removeMatches, boolean debug, int userId) { 2753 if (!sUserManager.exists(userId)) return null; 2754 // writer 2755 synchronized (mPackages) { 2756 if (intent.getSelector() != null) { 2757 intent = intent.getSelector(); 2758 } 2759 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2760 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2761 // Get the list of preferred activities that handle the intent 2762 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2763 List<PreferredActivity> prefs = pir != null 2764 ? pir.queryIntent(intent, resolvedType, 2765 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2766 : null; 2767 if (prefs != null && prefs.size() > 0) { 2768 // First figure out how good the original match set is. 2769 // We will only allow preferred activities that came 2770 // from the same match quality. 2771 int match = 0; 2772 2773 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2774 2775 final int N = query.size(); 2776 for (int j=0; j<N; j++) { 2777 final ResolveInfo ri = query.get(j); 2778 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2779 + ": 0x" + Integer.toHexString(match)); 2780 if (ri.match > match) { 2781 match = ri.match; 2782 } 2783 } 2784 2785 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 2786 + Integer.toHexString(match)); 2787 2788 match &= IntentFilter.MATCH_CATEGORY_MASK; 2789 final int M = prefs.size(); 2790 for (int i=0; i<M; i++) { 2791 final PreferredActivity pa = prefs.get(i); 2792 if (DEBUG_PREFERRED || debug) { 2793 Slog.v(TAG, "Checking PreferredActivity ds=" 2794 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 2795 + "\n component=" + pa.mPref.mComponent); 2796 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2797 } 2798 if (pa.mPref.mMatch != match) { 2799 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 2800 + Integer.toHexString(pa.mPref.mMatch)); 2801 continue; 2802 } 2803 // If it's not an "always" type preferred activity and that's what we're 2804 // looking for, skip it. 2805 if (always && !pa.mPref.mAlways) { 2806 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 2807 continue; 2808 } 2809 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 2810 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2811 if (DEBUG_PREFERRED || debug) { 2812 Slog.v(TAG, "Found preferred activity:"); 2813 if (ai != null) { 2814 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2815 } else { 2816 Slog.v(TAG, " null"); 2817 } 2818 } 2819 if (ai == null) { 2820 // This previously registered preferred activity 2821 // component is no longer known. Most likely an update 2822 // to the app was installed and in the new version this 2823 // component no longer exists. Clean it up by removing 2824 // it from the preferred activities list, and skip it. 2825 Slog.w(TAG, "Removing dangling preferred activity: " 2826 + pa.mPref.mComponent); 2827 pir.removeFilter(pa); 2828 continue; 2829 } 2830 for (int j=0; j<N; j++) { 2831 final ResolveInfo ri = query.get(j); 2832 if (!ri.activityInfo.applicationInfo.packageName 2833 .equals(ai.applicationInfo.packageName)) { 2834 continue; 2835 } 2836 if (!ri.activityInfo.name.equals(ai.name)) { 2837 continue; 2838 } 2839 2840 if (removeMatches) { 2841 pir.removeFilter(pa); 2842 if (DEBUG_PREFERRED) { 2843 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 2844 } 2845 break; 2846 } 2847 2848 // Okay we found a previously set preferred or last chosen app. 2849 // If the result set is different from when this 2850 // was created, we need to clear it and re-ask the 2851 // user their preference, if we're looking for an "always" type entry. 2852 if (always && !pa.mPref.sameSet(query, priority)) { 2853 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2854 + intent + " type " + resolvedType); 2855 if (DEBUG_PREFERRED) { 2856 Slog.v(TAG, "Removing preferred activity since set changed " 2857 + pa.mPref.mComponent); 2858 } 2859 pir.removeFilter(pa); 2860 // Re-add the filter as a "last chosen" entry (!always) 2861 PreferredActivity lastChosen = new PreferredActivity( 2862 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 2863 pir.addFilter(lastChosen); 2864 mSettings.writePackageRestrictionsLPr(userId); 2865 return null; 2866 } 2867 2868 // Yay! Either the set matched or we're looking for the last chosen 2869 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 2870 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2871 mSettings.writePackageRestrictionsLPr(userId); 2872 return ri; 2873 } 2874 } 2875 } 2876 mSettings.writePackageRestrictionsLPr(userId); 2877 } 2878 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 2879 return null; 2880 } 2881 2882 @Override 2883 public List<ResolveInfo> queryIntentActivities(Intent intent, 2884 String resolvedType, int flags, int userId) { 2885 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2886 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 2887 ComponentName comp = intent.getComponent(); 2888 if (comp == null) { 2889 if (intent.getSelector() != null) { 2890 intent = intent.getSelector(); 2891 comp = intent.getComponent(); 2892 } 2893 } 2894 2895 if (comp != null) { 2896 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2897 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 2898 if (ai != null) { 2899 final ResolveInfo ri = new ResolveInfo(); 2900 ri.activityInfo = ai; 2901 list.add(ri); 2902 } 2903 return list; 2904 } 2905 2906 // reader 2907 synchronized (mPackages) { 2908 final String pkgName = intent.getPackage(); 2909 if (pkgName == null) { 2910 return mActivities.queryIntent(intent, resolvedType, flags, userId); 2911 } 2912 final PackageParser.Package pkg = mPackages.get(pkgName); 2913 if (pkg != null) { 2914 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 2915 pkg.activities, userId); 2916 } 2917 return new ArrayList<ResolveInfo>(); 2918 } 2919 } 2920 2921 @Override 2922 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 2923 Intent[] specifics, String[] specificTypes, Intent intent, 2924 String resolvedType, int flags, int userId) { 2925 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2926 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 2927 "query intent activity options"); 2928 final String resultsAction = intent.getAction(); 2929 2930 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 2931 | PackageManager.GET_RESOLVED_FILTER, userId); 2932 2933 if (DEBUG_INTENT_MATCHING) { 2934 Log.v(TAG, "Query " + intent + ": " + results); 2935 } 2936 2937 int specificsPos = 0; 2938 int N; 2939 2940 // todo: note that the algorithm used here is O(N^2). This 2941 // isn't a problem in our current environment, but if we start running 2942 // into situations where we have more than 5 or 10 matches then this 2943 // should probably be changed to something smarter... 2944 2945 // First we go through and resolve each of the specific items 2946 // that were supplied, taking care of removing any corresponding 2947 // duplicate items in the generic resolve list. 2948 if (specifics != null) { 2949 for (int i=0; i<specifics.length; i++) { 2950 final Intent sintent = specifics[i]; 2951 if (sintent == null) { 2952 continue; 2953 } 2954 2955 if (DEBUG_INTENT_MATCHING) { 2956 Log.v(TAG, "Specific #" + i + ": " + sintent); 2957 } 2958 2959 String action = sintent.getAction(); 2960 if (resultsAction != null && resultsAction.equals(action)) { 2961 // If this action was explicitly requested, then don't 2962 // remove things that have it. 2963 action = null; 2964 } 2965 2966 ResolveInfo ri = null; 2967 ActivityInfo ai = null; 2968 2969 ComponentName comp = sintent.getComponent(); 2970 if (comp == null) { 2971 ri = resolveIntent( 2972 sintent, 2973 specificTypes != null ? specificTypes[i] : null, 2974 flags, userId); 2975 if (ri == null) { 2976 continue; 2977 } 2978 if (ri == mResolveInfo) { 2979 // ACK! Must do something better with this. 2980 } 2981 ai = ri.activityInfo; 2982 comp = new ComponentName(ai.applicationInfo.packageName, 2983 ai.name); 2984 } else { 2985 ai = getActivityInfo(comp, flags, userId); 2986 if (ai == null) { 2987 continue; 2988 } 2989 } 2990 2991 // Look for any generic query activities that are duplicates 2992 // of this specific one, and remove them from the results. 2993 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 2994 N = results.size(); 2995 int j; 2996 for (j=specificsPos; j<N; j++) { 2997 ResolveInfo sri = results.get(j); 2998 if ((sri.activityInfo.name.equals(comp.getClassName()) 2999 && sri.activityInfo.applicationInfo.packageName.equals( 3000 comp.getPackageName())) 3001 || (action != null && sri.filter.matchAction(action))) { 3002 results.remove(j); 3003 if (DEBUG_INTENT_MATCHING) Log.v( 3004 TAG, "Removing duplicate item from " + j 3005 + " due to specific " + specificsPos); 3006 if (ri == null) { 3007 ri = sri; 3008 } 3009 j--; 3010 N--; 3011 } 3012 } 3013 3014 // Add this specific item to its proper place. 3015 if (ri == null) { 3016 ri = new ResolveInfo(); 3017 ri.activityInfo = ai; 3018 } 3019 results.add(specificsPos, ri); 3020 ri.specificIndex = i; 3021 specificsPos++; 3022 } 3023 } 3024 3025 // Now we go through the remaining generic results and remove any 3026 // duplicate actions that are found here. 3027 N = results.size(); 3028 for (int i=specificsPos; i<N-1; i++) { 3029 final ResolveInfo rii = results.get(i); 3030 if (rii.filter == null) { 3031 continue; 3032 } 3033 3034 // Iterate over all of the actions of this result's intent 3035 // filter... typically this should be just one. 3036 final Iterator<String> it = rii.filter.actionsIterator(); 3037 if (it == null) { 3038 continue; 3039 } 3040 while (it.hasNext()) { 3041 final String action = it.next(); 3042 if (resultsAction != null && resultsAction.equals(action)) { 3043 // If this action was explicitly requested, then don't 3044 // remove things that have it. 3045 continue; 3046 } 3047 for (int j=i+1; j<N; j++) { 3048 final ResolveInfo rij = results.get(j); 3049 if (rij.filter != null && rij.filter.hasAction(action)) { 3050 results.remove(j); 3051 if (DEBUG_INTENT_MATCHING) Log.v( 3052 TAG, "Removing duplicate item from " + j 3053 + " due to action " + action + " at " + i); 3054 j--; 3055 N--; 3056 } 3057 } 3058 } 3059 3060 // If the caller didn't request filter information, drop it now 3061 // so we don't have to marshall/unmarshall it. 3062 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3063 rii.filter = null; 3064 } 3065 } 3066 3067 // Filter out the caller activity if so requested. 3068 if (caller != null) { 3069 N = results.size(); 3070 for (int i=0; i<N; i++) { 3071 ActivityInfo ainfo = results.get(i).activityInfo; 3072 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3073 && caller.getClassName().equals(ainfo.name)) { 3074 results.remove(i); 3075 break; 3076 } 3077 } 3078 } 3079 3080 // If the caller didn't request filter information, 3081 // drop them now so we don't have to 3082 // marshall/unmarshall it. 3083 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3084 N = results.size(); 3085 for (int i=0; i<N; i++) { 3086 results.get(i).filter = null; 3087 } 3088 } 3089 3090 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3091 return results; 3092 } 3093 3094 @Override 3095 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3096 int userId) { 3097 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3098 ComponentName comp = intent.getComponent(); 3099 if (comp == null) { 3100 if (intent.getSelector() != null) { 3101 intent = intent.getSelector(); 3102 comp = intent.getComponent(); 3103 } 3104 } 3105 if (comp != null) { 3106 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3107 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3108 if (ai != null) { 3109 ResolveInfo ri = new ResolveInfo(); 3110 ri.activityInfo = ai; 3111 list.add(ri); 3112 } 3113 return list; 3114 } 3115 3116 // reader 3117 synchronized (mPackages) { 3118 String pkgName = intent.getPackage(); 3119 if (pkgName == null) { 3120 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3121 } 3122 final PackageParser.Package pkg = mPackages.get(pkgName); 3123 if (pkg != null) { 3124 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3125 userId); 3126 } 3127 return null; 3128 } 3129 } 3130 3131 @Override 3132 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3133 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3134 if (!sUserManager.exists(userId)) return null; 3135 if (query != null) { 3136 if (query.size() >= 1) { 3137 // If there is more than one service with the same priority, 3138 // just arbitrarily pick the first one. 3139 return query.get(0); 3140 } 3141 } 3142 return null; 3143 } 3144 3145 @Override 3146 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3147 int userId) { 3148 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3149 ComponentName comp = intent.getComponent(); 3150 if (comp == null) { 3151 if (intent.getSelector() != null) { 3152 intent = intent.getSelector(); 3153 comp = intent.getComponent(); 3154 } 3155 } 3156 if (comp != null) { 3157 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3158 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3159 if (si != null) { 3160 final ResolveInfo ri = new ResolveInfo(); 3161 ri.serviceInfo = si; 3162 list.add(ri); 3163 } 3164 return list; 3165 } 3166 3167 // reader 3168 synchronized (mPackages) { 3169 String pkgName = intent.getPackage(); 3170 if (pkgName == null) { 3171 return mServices.queryIntent(intent, resolvedType, flags, userId); 3172 } 3173 final PackageParser.Package pkg = mPackages.get(pkgName); 3174 if (pkg != null) { 3175 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3176 userId); 3177 } 3178 return null; 3179 } 3180 } 3181 3182 @Override 3183 public List<ResolveInfo> queryIntentContentProviders( 3184 Intent intent, String resolvedType, int flags, int userId) { 3185 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3186 ComponentName comp = intent.getComponent(); 3187 if (comp == null) { 3188 if (intent.getSelector() != null) { 3189 intent = intent.getSelector(); 3190 comp = intent.getComponent(); 3191 } 3192 } 3193 if (comp != null) { 3194 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3195 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3196 if (pi != null) { 3197 final ResolveInfo ri = new ResolveInfo(); 3198 ri.providerInfo = pi; 3199 list.add(ri); 3200 } 3201 return list; 3202 } 3203 3204 // reader 3205 synchronized (mPackages) { 3206 String pkgName = intent.getPackage(); 3207 if (pkgName == null) { 3208 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3209 } 3210 final PackageParser.Package pkg = mPackages.get(pkgName); 3211 if (pkg != null) { 3212 return mProviders.queryIntentForPackage( 3213 intent, resolvedType, flags, pkg.providers, userId); 3214 } 3215 return null; 3216 } 3217 } 3218 3219 @Override 3220 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3221 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3222 3223 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3224 3225 // writer 3226 synchronized (mPackages) { 3227 ArrayList<PackageInfo> list; 3228 if (listUninstalled) { 3229 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3230 for (PackageSetting ps : mSettings.mPackages.values()) { 3231 PackageInfo pi; 3232 if (ps.pkg != null) { 3233 pi = generatePackageInfo(ps.pkg, flags, userId); 3234 } else { 3235 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3236 } 3237 if (pi != null) { 3238 list.add(pi); 3239 } 3240 } 3241 } else { 3242 list = new ArrayList<PackageInfo>(mPackages.size()); 3243 for (PackageParser.Package p : mPackages.values()) { 3244 PackageInfo pi = generatePackageInfo(p, flags, userId); 3245 if (pi != null) { 3246 list.add(pi); 3247 } 3248 } 3249 } 3250 3251 return new ParceledListSlice<PackageInfo>(list); 3252 } 3253 } 3254 3255 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3256 String[] permissions, boolean[] tmp, int flags, int userId) { 3257 int numMatch = 0; 3258 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3259 for (int i=0; i<permissions.length; i++) { 3260 if (gp.grantedPermissions.contains(permissions[i])) { 3261 tmp[i] = true; 3262 numMatch++; 3263 } else { 3264 tmp[i] = false; 3265 } 3266 } 3267 if (numMatch == 0) { 3268 return; 3269 } 3270 PackageInfo pi; 3271 if (ps.pkg != null) { 3272 pi = generatePackageInfo(ps.pkg, flags, userId); 3273 } else { 3274 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3275 } 3276 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3277 if (numMatch == permissions.length) { 3278 pi.requestedPermissions = permissions; 3279 } else { 3280 pi.requestedPermissions = new String[numMatch]; 3281 numMatch = 0; 3282 for (int i=0; i<permissions.length; i++) { 3283 if (tmp[i]) { 3284 pi.requestedPermissions[numMatch] = permissions[i]; 3285 numMatch++; 3286 } 3287 } 3288 } 3289 } 3290 list.add(pi); 3291 } 3292 3293 @Override 3294 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3295 String[] permissions, int flags, int userId) { 3296 if (!sUserManager.exists(userId)) return null; 3297 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3298 3299 // writer 3300 synchronized (mPackages) { 3301 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3302 boolean[] tmpBools = new boolean[permissions.length]; 3303 if (listUninstalled) { 3304 for (PackageSetting ps : mSettings.mPackages.values()) { 3305 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3306 } 3307 } else { 3308 for (PackageParser.Package pkg : mPackages.values()) { 3309 PackageSetting ps = (PackageSetting)pkg.mExtras; 3310 if (ps != null) { 3311 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3312 userId); 3313 } 3314 } 3315 } 3316 3317 return new ParceledListSlice<PackageInfo>(list); 3318 } 3319 } 3320 3321 @Override 3322 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3323 if (!sUserManager.exists(userId)) return null; 3324 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3325 3326 // writer 3327 synchronized (mPackages) { 3328 ArrayList<ApplicationInfo> list; 3329 if (listUninstalled) { 3330 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3331 for (PackageSetting ps : mSettings.mPackages.values()) { 3332 ApplicationInfo ai; 3333 if (ps.pkg != null) { 3334 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3335 ps.readUserState(userId), userId); 3336 } else { 3337 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3338 } 3339 if (ai != null) { 3340 list.add(ai); 3341 } 3342 } 3343 } else { 3344 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3345 for (PackageParser.Package p : mPackages.values()) { 3346 if (p.mExtras != null) { 3347 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3348 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3349 if (ai != null) { 3350 list.add(ai); 3351 } 3352 } 3353 } 3354 } 3355 3356 return new ParceledListSlice<ApplicationInfo>(list); 3357 } 3358 } 3359 3360 public List<ApplicationInfo> getPersistentApplications(int flags) { 3361 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3362 3363 // reader 3364 synchronized (mPackages) { 3365 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3366 final int userId = UserHandle.getCallingUserId(); 3367 while (i.hasNext()) { 3368 final PackageParser.Package p = i.next(); 3369 if (p.applicationInfo != null 3370 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3371 && (!mSafeMode || isSystemApp(p))) { 3372 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3373 if (ps != null) { 3374 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3375 ps.readUserState(userId), userId); 3376 if (ai != null) { 3377 finalList.add(ai); 3378 } 3379 } 3380 } 3381 } 3382 } 3383 3384 return finalList; 3385 } 3386 3387 @Override 3388 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3389 if (!sUserManager.exists(userId)) return null; 3390 // reader 3391 synchronized (mPackages) { 3392 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3393 PackageSetting ps = provider != null 3394 ? mSettings.mPackages.get(provider.owner.packageName) 3395 : null; 3396 return ps != null 3397 && mSettings.isEnabledLPr(provider.info, flags, userId) 3398 && (!mSafeMode || (provider.info.applicationInfo.flags 3399 &ApplicationInfo.FLAG_SYSTEM) != 0) 3400 ? PackageParser.generateProviderInfo(provider, flags, 3401 ps.readUserState(userId), userId) 3402 : null; 3403 } 3404 } 3405 3406 /** 3407 * @deprecated 3408 */ 3409 @Deprecated 3410 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3411 // reader 3412 synchronized (mPackages) { 3413 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3414 .entrySet().iterator(); 3415 final int userId = UserHandle.getCallingUserId(); 3416 while (i.hasNext()) { 3417 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3418 PackageParser.Provider p = entry.getValue(); 3419 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3420 3421 if (ps != null && p.syncable 3422 && (!mSafeMode || (p.info.applicationInfo.flags 3423 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3424 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3425 ps.readUserState(userId), userId); 3426 if (info != null) { 3427 outNames.add(entry.getKey()); 3428 outInfo.add(info); 3429 } 3430 } 3431 } 3432 } 3433 } 3434 3435 public List<ProviderInfo> queryContentProviders(String processName, 3436 int uid, int flags) { 3437 ArrayList<ProviderInfo> finalList = null; 3438 // reader 3439 synchronized (mPackages) { 3440 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3441 final int userId = processName != null ? 3442 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3443 while (i.hasNext()) { 3444 final PackageParser.Provider p = i.next(); 3445 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3446 if (ps != null && p.info.authority != null 3447 && (processName == null 3448 || (p.info.processName.equals(processName) 3449 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3450 && mSettings.isEnabledLPr(p.info, flags, userId) 3451 && (!mSafeMode 3452 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3453 if (finalList == null) { 3454 finalList = new ArrayList<ProviderInfo>(3); 3455 } 3456 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3457 ps.readUserState(userId), userId); 3458 if (info != null) { 3459 finalList.add(info); 3460 } 3461 } 3462 } 3463 } 3464 3465 if (finalList != null) { 3466 Collections.sort(finalList, mProviderInitOrderSorter); 3467 } 3468 3469 return finalList; 3470 } 3471 3472 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3473 int flags) { 3474 // reader 3475 synchronized (mPackages) { 3476 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3477 return PackageParser.generateInstrumentationInfo(i, flags); 3478 } 3479 } 3480 3481 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3482 int flags) { 3483 ArrayList<InstrumentationInfo> finalList = 3484 new ArrayList<InstrumentationInfo>(); 3485 3486 // reader 3487 synchronized (mPackages) { 3488 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3489 while (i.hasNext()) { 3490 final PackageParser.Instrumentation p = i.next(); 3491 if (targetPackage == null 3492 || targetPackage.equals(p.info.targetPackage)) { 3493 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3494 flags); 3495 if (ii != null) { 3496 finalList.add(ii); 3497 } 3498 } 3499 } 3500 } 3501 3502 return finalList; 3503 } 3504 3505 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3506 String[] files = dir.list(); 3507 if (files == null) { 3508 Log.d(TAG, "No files in app dir " + dir); 3509 return; 3510 } 3511 3512 if (DEBUG_PACKAGE_SCANNING) { 3513 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3514 + " flags=0x" + Integer.toHexString(flags)); 3515 } 3516 3517 int i; 3518 for (i=0; i<files.length; i++) { 3519 File file = new File(dir, files[i]); 3520 if (!isPackageFilename(files[i])) { 3521 // Ignore entries which are not apk's 3522 continue; 3523 } 3524 PackageParser.Package pkg = scanPackageLI(file, 3525 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3526 // Don't mess around with apps in system partition. 3527 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3528 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3529 // Delete the apk 3530 Slog.w(TAG, "Cleaning up failed install of " + file); 3531 file.delete(); 3532 } 3533 } 3534 } 3535 3536 private static File getSettingsProblemFile() { 3537 File dataDir = Environment.getDataDirectory(); 3538 File systemDir = new File(dataDir, "system"); 3539 File fname = new File(systemDir, "uiderrors.txt"); 3540 return fname; 3541 } 3542 3543 static void reportSettingsProblem(int priority, String msg) { 3544 try { 3545 File fname = getSettingsProblemFile(); 3546 FileOutputStream out = new FileOutputStream(fname, true); 3547 PrintWriter pw = new FastPrintWriter(out); 3548 SimpleDateFormat formatter = new SimpleDateFormat(); 3549 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3550 pw.println(dateString + ": " + msg); 3551 pw.close(); 3552 FileUtils.setPermissions( 3553 fname.toString(), 3554 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3555 -1, -1); 3556 } catch (java.io.IOException e) { 3557 } 3558 Slog.println(priority, TAG, msg); 3559 } 3560 3561 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3562 PackageParser.Package pkg, File srcFile, int parseFlags) { 3563 if (GET_CERTIFICATES) { 3564 if (ps != null 3565 && ps.codePath.equals(srcFile) 3566 && ps.timeStamp == srcFile.lastModified()) { 3567 if (ps.signatures.mSignatures != null 3568 && ps.signatures.mSignatures.length != 0) { 3569 // Optimization: reuse the existing cached certificates 3570 // if the package appears to be unchanged. 3571 pkg.mSignatures = ps.signatures.mSignatures; 3572 return true; 3573 } 3574 3575 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3576 } else { 3577 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3578 } 3579 3580 if (!pp.collectCertificates(pkg, parseFlags)) { 3581 mLastScanError = pp.getParseError(); 3582 return false; 3583 } 3584 } 3585 return true; 3586 } 3587 3588 /* 3589 * Scan a package and return the newly parsed package. 3590 * Returns null in case of errors and the error code is stored in mLastScanError 3591 */ 3592 private PackageParser.Package scanPackageLI(File scanFile, 3593 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3594 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3595 String scanPath = scanFile.getPath(); 3596 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3597 parseFlags |= mDefParseFlags; 3598 PackageParser pp = new PackageParser(scanPath); 3599 pp.setSeparateProcesses(mSeparateProcesses); 3600 pp.setOnlyCoreApps(mOnlyCore); 3601 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3602 scanPath, mMetrics, parseFlags); 3603 3604 if (pkg == null) { 3605 mLastScanError = pp.getParseError(); 3606 return null; 3607 } 3608 3609 PackageSetting ps = null; 3610 PackageSetting updatedPkg; 3611 // reader 3612 synchronized (mPackages) { 3613 // Look to see if we already know about this package. 3614 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3615 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3616 // This package has been renamed to its original name. Let's 3617 // use that. 3618 ps = mSettings.peekPackageLPr(oldName); 3619 } 3620 // If there was no original package, see one for the real package name. 3621 if (ps == null) { 3622 ps = mSettings.peekPackageLPr(pkg.packageName); 3623 } 3624 // Check to see if this package could be hiding/updating a system 3625 // package. Must look for it either under the original or real 3626 // package name depending on our state. 3627 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3628 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3629 } 3630 // First check if this is a system package that may involve an update 3631 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3632 if (ps != null && !ps.codePath.equals(scanFile)) { 3633 // The path has changed from what was last scanned... check the 3634 // version of the new path against what we have stored to determine 3635 // what to do. 3636 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3637 if (pkg.mVersionCode < ps.versionCode) { 3638 // The system package has been updated and the code path does not match 3639 // Ignore entry. Skip it. 3640 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3641 + " ignored: updated version " + ps.versionCode 3642 + " better than this " + pkg.mVersionCode); 3643 if (!updatedPkg.codePath.equals(scanFile)) { 3644 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3645 + ps.name + " changing from " + updatedPkg.codePathString 3646 + " to " + scanFile); 3647 updatedPkg.codePath = scanFile; 3648 updatedPkg.codePathString = scanFile.toString(); 3649 // This is the point at which we know that the system-disk APK 3650 // for this package has moved during a reboot (e.g. due to an OTA), 3651 // so we need to reevaluate it for privilege policy. 3652 if (locationIsPrivileged(scanFile)) { 3653 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3654 } 3655 } 3656 updatedPkg.pkg = pkg; 3657 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3658 return null; 3659 } else { 3660 // The current app on the system partion is better than 3661 // what we have updated to on the data partition; switch 3662 // back to the system partition version. 3663 // At this point, its safely assumed that package installation for 3664 // apps in system partition will go through. If not there won't be a working 3665 // version of the app 3666 // writer 3667 synchronized (mPackages) { 3668 // Just remove the loaded entries from package lists. 3669 mPackages.remove(ps.name); 3670 } 3671 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3672 + "reverting from " + ps.codePathString 3673 + ": new version " + pkg.mVersionCode 3674 + " better than installed " + ps.versionCode); 3675 3676 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3677 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3678 synchronized (mInstallLock) { 3679 args.cleanUpResourcesLI(); 3680 } 3681 synchronized (mPackages) { 3682 mSettings.enableSystemPackageLPw(ps.name); 3683 } 3684 } 3685 } 3686 } 3687 3688 if (updatedPkg != null) { 3689 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3690 // initially 3691 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3692 3693 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3694 // flag set initially 3695 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3696 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3697 } 3698 } 3699 // Verify certificates against what was last scanned 3700 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3701 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3702 return null; 3703 } 3704 3705 /* 3706 * A new system app appeared, but we already had a non-system one of the 3707 * same name installed earlier. 3708 */ 3709 boolean shouldHideSystemApp = false; 3710 if (updatedPkg == null && ps != null 3711 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3712 /* 3713 * Check to make sure the signatures match first. If they don't, 3714 * wipe the installed application and its data. 3715 */ 3716 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3717 != PackageManager.SIGNATURE_MATCH) { 3718 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3719 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3720 ps = null; 3721 } else { 3722 /* 3723 * If the newly-added system app is an older version than the 3724 * already installed version, hide it. It will be scanned later 3725 * and re-added like an update. 3726 */ 3727 if (pkg.mVersionCode < ps.versionCode) { 3728 shouldHideSystemApp = true; 3729 } else { 3730 /* 3731 * The newly found system app is a newer version that the 3732 * one previously installed. Simply remove the 3733 * already-installed application and replace it with our own 3734 * while keeping the application data. 3735 */ 3736 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3737 + ps.codePathString + ": new version " + pkg.mVersionCode 3738 + " better than installed " + ps.versionCode); 3739 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3740 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3741 synchronized (mInstallLock) { 3742 args.cleanUpResourcesLI(); 3743 } 3744 } 3745 } 3746 } 3747 3748 // The apk is forward locked (not public) if its code and resources 3749 // are kept in different files. (except for app in either system or 3750 // vendor path). 3751 // TODO grab this value from PackageSettings 3752 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3753 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3754 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3755 } 3756 } 3757 3758 String codePath = null; 3759 String resPath = null; 3760 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0) { 3761 if (ps != null && ps.resourcePathString != null) { 3762 resPath = ps.resourcePathString; 3763 } else { 3764 // Should not happen at all. Just log an error. 3765 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3766 } 3767 } else { 3768 resPath = pkg.mScanPath; 3769 } 3770 3771 codePath = pkg.mScanPath; 3772 // Set application objects path explicitly. 3773 setApplicationInfoPaths(pkg, codePath, resPath); 3774 // Note that we invoke the following method only if we are about to unpack an application 3775 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3776 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3777 3778 /* 3779 * If the system app should be overridden by a previously installed 3780 * data, hide the system app now and let the /data/app scan pick it up 3781 * again. 3782 */ 3783 if (shouldHideSystemApp) { 3784 synchronized (mPackages) { 3785 /* 3786 * We have to grant systems permissions before we hide, because 3787 * grantPermissions will assume the package update is trying to 3788 * expand its permissions. 3789 */ 3790 grantPermissionsLPw(pkg, true); 3791 mSettings.disableSystemPackageLPw(pkg.packageName); 3792 } 3793 } 3794 3795 return scannedPkg; 3796 } 3797 3798 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3799 String destResPath) { 3800 pkg.mPath = pkg.mScanPath = destCodePath; 3801 pkg.applicationInfo.sourceDir = destCodePath; 3802 pkg.applicationInfo.publicSourceDir = destResPath; 3803 } 3804 3805 private static String fixProcessName(String defProcessName, 3806 String processName, int uid) { 3807 if (processName == null) { 3808 return defProcessName; 3809 } 3810 return processName; 3811 } 3812 3813 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3814 PackageParser.Package pkg) { 3815 if (pkgSetting.signatures.mSignatures != null) { 3816 // Already existing package. Make sure signatures match 3817 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3818 PackageManager.SIGNATURE_MATCH) { 3819 Slog.e(TAG, "Package " + pkg.packageName 3820 + " signatures do not match the previously installed version; ignoring!"); 3821 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3822 return false; 3823 } 3824 } 3825 // Check for shared user signatures 3826 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3827 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3828 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3829 Slog.e(TAG, "Package " + pkg.packageName 3830 + " has no signatures that match those in shared user " 3831 + pkgSetting.sharedUser.name + "; ignoring!"); 3832 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3833 return false; 3834 } 3835 } 3836 return true; 3837 } 3838 3839 /** 3840 * Enforces that only the system UID or root's UID can call a method exposed 3841 * via Binder. 3842 * 3843 * @param message used as message if SecurityException is thrown 3844 * @throws SecurityException if the caller is not system or root 3845 */ 3846 private static final void enforceSystemOrRoot(String message) { 3847 final int uid = Binder.getCallingUid(); 3848 if (uid != Process.SYSTEM_UID && uid != 0) { 3849 throw new SecurityException(message); 3850 } 3851 } 3852 3853 public void performBootDexOpt() { 3854 HashSet<PackageParser.Package> pkgs = null; 3855 synchronized (mPackages) { 3856 pkgs = mDeferredDexOpt; 3857 mDeferredDexOpt = null; 3858 } 3859 if (pkgs != null) { 3860 int i = 0; 3861 for (PackageParser.Package pkg : pkgs) { 3862 if (!isFirstBoot()) { 3863 i++; 3864 try { 3865 ActivityManagerNative.getDefault().showBootMessage( 3866 mContext.getResources().getString( 3867 com.android.internal.R.string.android_upgrading_apk, 3868 i, pkgs.size()), true); 3869 } catch (RemoteException e) { 3870 } 3871 } 3872 PackageParser.Package p = pkg; 3873 synchronized (mInstallLock) { 3874 if (!p.mDidDexOpt) { 3875 performDexOptLI(p, false, false, true); 3876 } 3877 } 3878 } 3879 } 3880 } 3881 3882 public boolean performDexOpt(String packageName) { 3883 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3884 3885 if (!mNoDexOpt) { 3886 return false; 3887 } 3888 3889 PackageParser.Package p; 3890 synchronized (mPackages) { 3891 p = mPackages.get(packageName); 3892 if (p == null || p.mDidDexOpt) { 3893 return false; 3894 } 3895 } 3896 synchronized (mInstallLock) { 3897 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 3898 } 3899 } 3900 3901 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 3902 HashSet<String> done) { 3903 for (int i=0; i<libs.size(); i++) { 3904 PackageParser.Package libPkg; 3905 String libName; 3906 synchronized (mPackages) { 3907 libName = libs.get(i); 3908 SharedLibraryEntry lib = mSharedLibraries.get(libName); 3909 if (lib != null && lib.apk != null) { 3910 libPkg = mPackages.get(lib.apk); 3911 } else { 3912 libPkg = null; 3913 } 3914 } 3915 if (libPkg != null && !done.contains(libName)) { 3916 performDexOptLI(libPkg, forceDex, defer, done); 3917 } 3918 } 3919 } 3920 3921 static final int DEX_OPT_SKIPPED = 0; 3922 static final int DEX_OPT_PERFORMED = 1; 3923 static final int DEX_OPT_DEFERRED = 2; 3924 static final int DEX_OPT_FAILED = -1; 3925 3926 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 3927 HashSet<String> done) { 3928 boolean performed = false; 3929 if (done != null) { 3930 done.add(pkg.packageName); 3931 if (pkg.usesLibraries != null) { 3932 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 3933 } 3934 if (pkg.usesOptionalLibraries != null) { 3935 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 3936 } 3937 } 3938 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 3939 String path = pkg.mScanPath; 3940 int ret = 0; 3941 try { 3942 if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { 3943 if (!forceDex && defer) { 3944 if (mDeferredDexOpt == null) { 3945 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 3946 } 3947 mDeferredDexOpt.add(pkg); 3948 return DEX_OPT_DEFERRED; 3949 } else { 3950 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 3951 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3952 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg)); 3953 pkg.mDidDexOpt = true; 3954 performed = true; 3955 } 3956 } 3957 } catch (FileNotFoundException e) { 3958 Slog.w(TAG, "Apk not found for dexopt: " + path); 3959 ret = -1; 3960 } catch (IOException e) { 3961 Slog.w(TAG, "IOException reading apk: " + path, e); 3962 ret = -1; 3963 } catch (dalvik.system.StaleDexCacheError e) { 3964 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 3965 ret = -1; 3966 } catch (Exception e) { 3967 Slog.w(TAG, "Exception when doing dexopt : ", e); 3968 ret = -1; 3969 } 3970 if (ret < 0) { 3971 //error from installer 3972 return DEX_OPT_FAILED; 3973 } 3974 } 3975 3976 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 3977 } 3978 3979 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 3980 boolean inclDependencies) { 3981 HashSet<String> done; 3982 boolean performed = false; 3983 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 3984 done = new HashSet<String>(); 3985 done.add(pkg.packageName); 3986 } else { 3987 done = null; 3988 } 3989 return performDexOptLI(pkg, forceDex, defer, done); 3990 } 3991 3992 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 3993 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 3994 Slog.w(TAG, "Unable to update from " + oldPkg.name 3995 + " to " + newPkg.packageName 3996 + ": old package not in system partition"); 3997 return false; 3998 } else if (mPackages.get(oldPkg.name) != null) { 3999 Slog.w(TAG, "Unable to update from " + oldPkg.name 4000 + " to " + newPkg.packageName 4001 + ": old package still exists"); 4002 return false; 4003 } 4004 return true; 4005 } 4006 4007 File getDataPathForUser(int userId) { 4008 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4009 } 4010 4011 private File getDataPathForPackage(String packageName, int userId) { 4012 /* 4013 * Until we fully support multiple users, return the directory we 4014 * previously would have. The PackageManagerTests will need to be 4015 * revised when this is changed back.. 4016 */ 4017 if (userId == 0) { 4018 return new File(mAppDataDir, packageName); 4019 } else { 4020 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4021 + File.separator + packageName); 4022 } 4023 } 4024 4025 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4026 int[] users = sUserManager.getUserIds(); 4027 int res = mInstaller.install(packageName, uid, uid, seinfo); 4028 if (res < 0) { 4029 return res; 4030 } 4031 for (int user : users) { 4032 if (user != 0) { 4033 res = mInstaller.createUserData(packageName, 4034 UserHandle.getUid(user, uid), user, seinfo); 4035 if (res < 0) { 4036 return res; 4037 } 4038 } 4039 } 4040 return res; 4041 } 4042 4043 private int removeDataDirsLI(String packageName) { 4044 int[] users = sUserManager.getUserIds(); 4045 int res = 0; 4046 for (int user : users) { 4047 int resInner = mInstaller.remove(packageName, user); 4048 if (resInner < 0) { 4049 res = resInner; 4050 } 4051 } 4052 4053 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4054 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4055 if (!nativeLibraryFile.delete()) { 4056 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4057 } 4058 4059 return res; 4060 } 4061 4062 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4063 PackageParser.Package changingLib) { 4064 if (file.path != null) { 4065 mTmpSharedLibraries[num] = file.path; 4066 return num+1; 4067 } 4068 PackageParser.Package p = mPackages.get(file.apk); 4069 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4070 // If we are doing this while in the middle of updating a library apk, 4071 // then we need to make sure to use that new apk for determining the 4072 // dependencies here. (We haven't yet finished committing the new apk 4073 // to the package manager state.) 4074 if (p == null || p.packageName.equals(changingLib.packageName)) { 4075 p = changingLib; 4076 } 4077 } 4078 if (p != null) { 4079 String path = p.mPath; 4080 for (int i=0; i<num; i++) { 4081 if (mTmpSharedLibraries[i].equals(path)) { 4082 return num; 4083 } 4084 } 4085 mTmpSharedLibraries[num] = p.mPath; 4086 return num+1; 4087 } 4088 return num; 4089 } 4090 4091 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4092 PackageParser.Package changingLib) { 4093 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4094 if (mTmpSharedLibraries == null || 4095 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4096 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4097 } 4098 int num = 0; 4099 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4100 for (int i=0; i<N; i++) { 4101 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4102 if (file == null) { 4103 Slog.e(TAG, "Package " + pkg.packageName 4104 + " requires unavailable shared library " 4105 + pkg.usesLibraries.get(i) + "; failing!"); 4106 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4107 return false; 4108 } 4109 num = addSharedLibraryLPw(file, num, changingLib); 4110 } 4111 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4112 for (int i=0; i<N; i++) { 4113 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4114 if (file == null) { 4115 Slog.w(TAG, "Package " + pkg.packageName 4116 + " desires unavailable shared library " 4117 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4118 } else { 4119 num = addSharedLibraryLPw(file, num, changingLib); 4120 } 4121 } 4122 if (num > 0) { 4123 pkg.usesLibraryFiles = new String[num]; 4124 System.arraycopy(mTmpSharedLibraries, 0, 4125 pkg.usesLibraryFiles, 0, num); 4126 } else { 4127 pkg.usesLibraryFiles = null; 4128 } 4129 } 4130 return true; 4131 } 4132 4133 private static boolean hasString(List<String> list, List<String> which) { 4134 if (list == null) { 4135 return false; 4136 } 4137 for (int i=list.size()-1; i>=0; i--) { 4138 for (int j=which.size()-1; j>=0; j--) { 4139 if (which.get(j).equals(list.get(i))) { 4140 return true; 4141 } 4142 } 4143 } 4144 return false; 4145 } 4146 4147 private void updateAllSharedLibrariesLPw() { 4148 for (PackageParser.Package pkg : mPackages.values()) { 4149 updateSharedLibrariesLPw(pkg, null); 4150 } 4151 } 4152 4153 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4154 PackageParser.Package changingPkg) { 4155 ArrayList<PackageParser.Package> res = null; 4156 for (PackageParser.Package pkg : mPackages.values()) { 4157 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4158 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4159 if (res == null) { 4160 res = new ArrayList<PackageParser.Package>(); 4161 } 4162 res.add(pkg); 4163 updateSharedLibrariesLPw(pkg, changingPkg); 4164 } 4165 } 4166 return res; 4167 } 4168 4169 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4170 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4171 File scanFile = new File(pkg.mScanPath); 4172 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4173 pkg.applicationInfo.publicSourceDir == null) { 4174 // Bail out. The resource and code paths haven't been set. 4175 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4176 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4177 return null; 4178 } 4179 mScanningPath = scanFile; 4180 4181 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4182 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4183 } 4184 4185 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4186 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4187 } 4188 4189 if (mCustomResolverComponentName != null && 4190 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4191 setUpCustomResolverActivity(pkg); 4192 } 4193 4194 if (pkg.packageName.equals("android")) { 4195 synchronized (mPackages) { 4196 if (mAndroidApplication != null) { 4197 Slog.w(TAG, "*************************************************"); 4198 Slog.w(TAG, "Core android package being redefined. Skipping."); 4199 Slog.w(TAG, " file=" + mScanningPath); 4200 Slog.w(TAG, "*************************************************"); 4201 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4202 return null; 4203 } 4204 4205 // Set up information for our fall-back user intent resolution activity. 4206 mPlatformPackage = pkg; 4207 pkg.mVersionCode = mSdkVersion; 4208 mAndroidApplication = pkg.applicationInfo; 4209 4210 if (!mResolverReplaced) { 4211 mResolveActivity.applicationInfo = mAndroidApplication; 4212 mResolveActivity.name = ResolverActivity.class.getName(); 4213 mResolveActivity.packageName = mAndroidApplication.packageName; 4214 mResolveActivity.processName = "system:ui"; 4215 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4216 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4217 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4218 mResolveActivity.exported = true; 4219 mResolveActivity.enabled = true; 4220 mResolveInfo.activityInfo = mResolveActivity; 4221 mResolveInfo.priority = 0; 4222 mResolveInfo.preferredOrder = 0; 4223 mResolveInfo.match = 0; 4224 mResolveComponentName = new ComponentName( 4225 mAndroidApplication.packageName, mResolveActivity.name); 4226 } 4227 } 4228 } 4229 4230 if (DEBUG_PACKAGE_SCANNING) { 4231 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4232 Log.d(TAG, "Scanning package " + pkg.packageName); 4233 } 4234 4235 if (mPackages.containsKey(pkg.packageName) 4236 || mSharedLibraries.containsKey(pkg.packageName)) { 4237 Slog.w(TAG, "Application package " + pkg.packageName 4238 + " already installed. Skipping duplicate."); 4239 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4240 return null; 4241 } 4242 4243 // Initialize package source and resource directories 4244 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4245 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4246 4247 SharedUserSetting suid = null; 4248 PackageSetting pkgSetting = null; 4249 4250 if (!isSystemApp(pkg)) { 4251 // Only system apps can use these features. 4252 pkg.mOriginalPackages = null; 4253 pkg.mRealPackage = null; 4254 pkg.mAdoptPermissions = null; 4255 } 4256 4257 // writer 4258 synchronized (mPackages) { 4259 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4260 // Check all shared libraries and map to their actual file path. 4261 // We only do this here for apps not on a system dir, because those 4262 // are the only ones that can fail an install due to this. We 4263 // will take care of the system apps by updating all of their 4264 // library paths after the scan is done. 4265 if (!updateSharedLibrariesLPw(pkg, null)) { 4266 return null; 4267 } 4268 } 4269 4270 if (pkg.mSharedUserId != null) { 4271 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4272 if (suid == null) { 4273 Slog.w(TAG, "Creating application package " + pkg.packageName 4274 + " for shared user failed"); 4275 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4276 return null; 4277 } 4278 if (DEBUG_PACKAGE_SCANNING) { 4279 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4280 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4281 + "): packages=" + suid.packages); 4282 } 4283 } 4284 4285 // Check if we are renaming from an original package name. 4286 PackageSetting origPackage = null; 4287 String realName = null; 4288 if (pkg.mOriginalPackages != null) { 4289 // This package may need to be renamed to a previously 4290 // installed name. Let's check on that... 4291 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4292 if (pkg.mOriginalPackages.contains(renamed)) { 4293 // This package had originally been installed as the 4294 // original name, and we have already taken care of 4295 // transitioning to the new one. Just update the new 4296 // one to continue using the old name. 4297 realName = pkg.mRealPackage; 4298 if (!pkg.packageName.equals(renamed)) { 4299 // Callers into this function may have already taken 4300 // care of renaming the package; only do it here if 4301 // it is not already done. 4302 pkg.setPackageName(renamed); 4303 } 4304 4305 } else { 4306 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4307 if ((origPackage = mSettings.peekPackageLPr( 4308 pkg.mOriginalPackages.get(i))) != null) { 4309 // We do have the package already installed under its 4310 // original name... should we use it? 4311 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4312 // New package is not compatible with original. 4313 origPackage = null; 4314 continue; 4315 } else if (origPackage.sharedUser != null) { 4316 // Make sure uid is compatible between packages. 4317 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4318 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4319 + " to " + pkg.packageName + ": old uid " 4320 + origPackage.sharedUser.name 4321 + " differs from " + pkg.mSharedUserId); 4322 origPackage = null; 4323 continue; 4324 } 4325 } else { 4326 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4327 + pkg.packageName + " to old name " + origPackage.name); 4328 } 4329 break; 4330 } 4331 } 4332 } 4333 } 4334 4335 if (mTransferedPackages.contains(pkg.packageName)) { 4336 Slog.w(TAG, "Package " + pkg.packageName 4337 + " was transferred to another, but its .apk remains"); 4338 } 4339 4340 // Just create the setting, don't add it yet. For already existing packages 4341 // the PkgSetting exists already and doesn't have to be created. 4342 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4343 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4344 pkg.applicationInfo.flags, user, false); 4345 if (pkgSetting == null) { 4346 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4347 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4348 return null; 4349 } 4350 4351 if (pkgSetting.origPackage != null) { 4352 // If we are first transitioning from an original package, 4353 // fix up the new package's name now. We need to do this after 4354 // looking up the package under its new name, so getPackageLP 4355 // can take care of fiddling things correctly. 4356 pkg.setPackageName(origPackage.name); 4357 4358 // File a report about this. 4359 String msg = "New package " + pkgSetting.realName 4360 + " renamed to replace old package " + pkgSetting.name; 4361 reportSettingsProblem(Log.WARN, msg); 4362 4363 // Make a note of it. 4364 mTransferedPackages.add(origPackage.name); 4365 4366 // No longer need to retain this. 4367 pkgSetting.origPackage = null; 4368 } 4369 4370 if (realName != null) { 4371 // Make a note of it. 4372 mTransferedPackages.add(pkg.packageName); 4373 } 4374 4375 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4376 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4377 } 4378 4379 if (mFoundPolicyFile) { 4380 SELinuxMMAC.assignSeinfoValue(pkg); 4381 } 4382 4383 pkg.applicationInfo.uid = pkgSetting.appId; 4384 pkg.mExtras = pkgSetting; 4385 4386 if (!verifySignaturesLP(pkgSetting, pkg)) { 4387 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4388 return null; 4389 } 4390 // The signature has changed, but this package is in the system 4391 // image... let's recover! 4392 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4393 // However... if this package is part of a shared user, but it 4394 // doesn't match the signature of the shared user, let's fail. 4395 // What this means is that you can't change the signatures 4396 // associated with an overall shared user, which doesn't seem all 4397 // that unreasonable. 4398 if (pkgSetting.sharedUser != null) { 4399 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4400 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4401 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4402 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4403 return null; 4404 } 4405 } 4406 // File a report about this. 4407 String msg = "System package " + pkg.packageName 4408 + " signature changed; retaining data."; 4409 reportSettingsProblem(Log.WARN, msg); 4410 } 4411 4412 // Verify that this new package doesn't have any content providers 4413 // that conflict with existing packages. Only do this if the 4414 // package isn't already installed, since we don't want to break 4415 // things that are installed. 4416 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4417 final int N = pkg.providers.size(); 4418 int i; 4419 for (i=0; i<N; i++) { 4420 PackageParser.Provider p = pkg.providers.get(i); 4421 if (p.info.authority != null) { 4422 String names[] = p.info.authority.split(";"); 4423 for (int j = 0; j < names.length; j++) { 4424 if (mProvidersByAuthority.containsKey(names[j])) { 4425 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4426 Slog.w(TAG, "Can't install because provider name " + names[j] + 4427 " (in package " + pkg.applicationInfo.packageName + 4428 ") is already used by " 4429 + ((other != null && other.getComponentName() != null) 4430 ? other.getComponentName().getPackageName() : "?")); 4431 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4432 return null; 4433 } 4434 } 4435 } 4436 } 4437 } 4438 4439 if (pkg.mAdoptPermissions != null) { 4440 // This package wants to adopt ownership of permissions from 4441 // another package. 4442 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4443 final String origName = pkg.mAdoptPermissions.get(i); 4444 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4445 if (orig != null) { 4446 if (verifyPackageUpdateLPr(orig, pkg)) { 4447 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4448 + pkg.packageName); 4449 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4450 } 4451 } 4452 } 4453 } 4454 } 4455 4456 final String pkgName = pkg.packageName; 4457 4458 final long scanFileTime = scanFile.lastModified(); 4459 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4460 pkg.applicationInfo.processName = fixProcessName( 4461 pkg.applicationInfo.packageName, 4462 pkg.applicationInfo.processName, 4463 pkg.applicationInfo.uid); 4464 4465 File dataPath; 4466 if (mPlatformPackage == pkg) { 4467 // The system package is special. 4468 dataPath = new File (Environment.getDataDirectory(), "system"); 4469 pkg.applicationInfo.dataDir = dataPath.getPath(); 4470 } else { 4471 // This is a normal package, need to make its data directory. 4472 dataPath = getDataPathForPackage(pkg.packageName, 0); 4473 4474 boolean uidError = false; 4475 4476 if (dataPath.exists()) { 4477 int currentUid = 0; 4478 try { 4479 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4480 currentUid = stat.st_uid; 4481 } catch (ErrnoException e) { 4482 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4483 } 4484 4485 // If we have mismatched owners for the data path, we have a problem. 4486 if (currentUid != pkg.applicationInfo.uid) { 4487 boolean recovered = false; 4488 if (currentUid == 0) { 4489 // The directory somehow became owned by root. Wow. 4490 // This is probably because the system was stopped while 4491 // installd was in the middle of messing with its libs 4492 // directory. Ask installd to fix that. 4493 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4494 pkg.applicationInfo.uid); 4495 if (ret >= 0) { 4496 recovered = true; 4497 String msg = "Package " + pkg.packageName 4498 + " unexpectedly changed to uid 0; recovered to " + 4499 + pkg.applicationInfo.uid; 4500 reportSettingsProblem(Log.WARN, msg); 4501 } 4502 } 4503 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4504 || (scanMode&SCAN_BOOTING) != 0)) { 4505 // If this is a system app, we can at least delete its 4506 // current data so the application will still work. 4507 int ret = removeDataDirsLI(pkgName); 4508 if (ret >= 0) { 4509 // TODO: Kill the processes first 4510 // Old data gone! 4511 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4512 ? "System package " : "Third party package "; 4513 String msg = prefix + pkg.packageName 4514 + " has changed from uid: " 4515 + currentUid + " to " 4516 + pkg.applicationInfo.uid + "; old data erased"; 4517 reportSettingsProblem(Log.WARN, msg); 4518 recovered = true; 4519 4520 // And now re-install the app. 4521 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4522 pkg.applicationInfo.seinfo); 4523 if (ret == -1) { 4524 // Ack should not happen! 4525 msg = prefix + pkg.packageName 4526 + " could not have data directory re-created after delete."; 4527 reportSettingsProblem(Log.WARN, msg); 4528 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4529 return null; 4530 } 4531 } 4532 if (!recovered) { 4533 mHasSystemUidErrors = true; 4534 } 4535 } else if (!recovered) { 4536 // If we allow this install to proceed, we will be broken. 4537 // Abort, abort! 4538 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4539 return null; 4540 } 4541 if (!recovered) { 4542 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4543 + pkg.applicationInfo.uid + "/fs_" 4544 + currentUid; 4545 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4546 String msg = "Package " + pkg.packageName 4547 + " has mismatched uid: " 4548 + currentUid + " on disk, " 4549 + pkg.applicationInfo.uid + " in settings"; 4550 // writer 4551 synchronized (mPackages) { 4552 mSettings.mReadMessages.append(msg); 4553 mSettings.mReadMessages.append('\n'); 4554 uidError = true; 4555 if (!pkgSetting.uidError) { 4556 reportSettingsProblem(Log.ERROR, msg); 4557 } 4558 } 4559 } 4560 } 4561 pkg.applicationInfo.dataDir = dataPath.getPath(); 4562 } else { 4563 if (DEBUG_PACKAGE_SCANNING) { 4564 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4565 Log.v(TAG, "Want this data dir: " + dataPath); 4566 } 4567 //invoke installer to do the actual installation 4568 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4569 pkg.applicationInfo.seinfo); 4570 if (ret < 0) { 4571 // Error from installer 4572 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4573 return null; 4574 } 4575 4576 if (dataPath.exists()) { 4577 pkg.applicationInfo.dataDir = dataPath.getPath(); 4578 } else { 4579 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4580 pkg.applicationInfo.dataDir = null; 4581 } 4582 } 4583 4584 /* 4585 * Set the data dir to the default "/data/data/<package name>/lib" 4586 * if we got here without anyone telling us different (e.g., apps 4587 * stored on SD card have their native libraries stored in the ASEC 4588 * container with the APK). 4589 * 4590 * This happens during an upgrade from a package settings file that 4591 * doesn't have a native library path attribute at all. 4592 */ 4593 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4594 if (pkgSetting.nativeLibraryPathString == null) { 4595 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4596 } else { 4597 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4598 } 4599 } 4600 4601 pkgSetting.uidError = uidError; 4602 } 4603 4604 String path = scanFile.getPath(); 4605 /* Note: We don't want to unpack the native binaries for 4606 * system applications, unless they have been updated 4607 * (the binaries are already under /system/lib). 4608 * Also, don't unpack libs for apps on the external card 4609 * since they should have their libraries in the ASEC 4610 * container already. 4611 * 4612 * In other words, we're going to unpack the binaries 4613 * only for non-system apps and system app upgrades. 4614 */ 4615 if (pkg.applicationInfo.nativeLibraryDir != null) { 4616 try { 4617 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4618 final String dataPathString = dataPath.getCanonicalPath(); 4619 4620 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4621 /* 4622 * Upgrading from a previous version of the OS sometimes 4623 * leaves native libraries in the /data/data/<app>/lib 4624 * directory for system apps even when they shouldn't be. 4625 * Recent changes in the JNI library search path 4626 * necessitates we remove those to match previous behavior. 4627 */ 4628 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4629 Log.i(TAG, "removed obsolete native libraries for system package " 4630 + path); 4631 } 4632 } else { 4633 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4634 /* 4635 * Update native library dir if it starts with 4636 * /data/data 4637 */ 4638 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4639 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4640 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4641 } 4642 4643 try { 4644 if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) { 4645 Slog.e(TAG, "Unable to copy native libraries"); 4646 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4647 return null; 4648 } 4649 } catch (IOException e) { 4650 Slog.e(TAG, "Unable to copy native libraries", e); 4651 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4652 return null; 4653 } 4654 } 4655 4656 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4657 final int[] userIds = sUserManager.getUserIds(); 4658 synchronized (mInstallLock) { 4659 for (int userId : userIds) { 4660 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4661 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4662 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4663 + ")"); 4664 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4665 return null; 4666 } 4667 } 4668 } 4669 } 4670 } catch (IOException ioe) { 4671 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4672 } 4673 } 4674 pkg.mScanPath = path; 4675 4676 if ((scanMode&SCAN_NO_DEX) == 0) { 4677 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4678 == DEX_OPT_FAILED) { 4679 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4680 return null; 4681 } 4682 } 4683 4684 if (mFactoryTest && pkg.requestedPermissions.contains( 4685 android.Manifest.permission.FACTORY_TEST)) { 4686 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4687 } 4688 4689 ArrayList<PackageParser.Package> clientLibPkgs = null; 4690 4691 // writer 4692 synchronized (mPackages) { 4693 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4694 // Only system apps can add new shared libraries. 4695 if (pkg.libraryNames != null) { 4696 for (int i=0; i<pkg.libraryNames.size(); i++) { 4697 String name = pkg.libraryNames.get(i); 4698 boolean allowed = false; 4699 if (isUpdatedSystemApp(pkg)) { 4700 // New library entries can only be added through the 4701 // system image. This is important to get rid of a lot 4702 // of nasty edge cases: for example if we allowed a non- 4703 // system update of the app to add a library, then uninstalling 4704 // the update would make the library go away, and assumptions 4705 // we made such as through app install filtering would now 4706 // have allowed apps on the device which aren't compatible 4707 // with it. Better to just have the restriction here, be 4708 // conservative, and create many fewer cases that can negatively 4709 // impact the user experience. 4710 final PackageSetting sysPs = mSettings 4711 .getDisabledSystemPkgLPr(pkg.packageName); 4712 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4713 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4714 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4715 allowed = true; 4716 allowed = true; 4717 break; 4718 } 4719 } 4720 } 4721 } else { 4722 allowed = true; 4723 } 4724 if (allowed) { 4725 if (!mSharedLibraries.containsKey(name)) { 4726 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4727 pkg.packageName)); 4728 } else if (!name.equals(pkg.packageName)) { 4729 Slog.w(TAG, "Package " + pkg.packageName + " library " 4730 + name + " already exists; skipping"); 4731 } 4732 } else { 4733 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4734 + name + " that is not declared on system image; skipping"); 4735 } 4736 } 4737 if ((scanMode&SCAN_BOOTING) == 0) { 4738 // If we are not booting, we need to update any applications 4739 // that are clients of our shared library. If we are booting, 4740 // this will all be done once the scan is complete. 4741 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4742 } 4743 } 4744 } 4745 } 4746 4747 // We also need to dexopt any apps that are dependent on this library. Note that 4748 // if these fail, we should abort the install since installing the library will 4749 // result in some apps being broken. 4750 if (clientLibPkgs != null) { 4751 if ((scanMode&SCAN_NO_DEX) == 0) { 4752 for (int i=0; i<clientLibPkgs.size(); i++) { 4753 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4754 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4755 == DEX_OPT_FAILED) { 4756 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4757 return null; 4758 } 4759 } 4760 } 4761 } 4762 4763 // Request the ActivityManager to kill the process(only for existing packages) 4764 // so that we do not end up in a confused state while the user is still using the older 4765 // version of the application while the new one gets installed. 4766 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4767 // If the package lives in an asec, tell everyone that the container is going 4768 // away so they can clean up any references to its resources (which would prevent 4769 // vold from being able to unmount the asec) 4770 if (isForwardLocked(pkg) || isExternal(pkg)) { 4771 if (DEBUG_INSTALL) { 4772 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4773 } 4774 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4775 final ArrayList<String> pkgList = new ArrayList<String>(1); 4776 pkgList.add(pkg.applicationInfo.packageName); 4777 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4778 } 4779 4780 // Post the request that it be killed now that the going-away broadcast is en route 4781 killApplication(pkg.applicationInfo.packageName, 4782 pkg.applicationInfo.uid, "update pkg"); 4783 } 4784 4785 // Also need to kill any apps that are dependent on the library. 4786 if (clientLibPkgs != null) { 4787 for (int i=0; i<clientLibPkgs.size(); i++) { 4788 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4789 killApplication(clientPkg.applicationInfo.packageName, 4790 clientPkg.applicationInfo.uid, "update lib"); 4791 } 4792 } 4793 4794 // writer 4795 synchronized (mPackages) { 4796 // We don't expect installation to fail beyond this point, 4797 if ((scanMode&SCAN_MONITOR) != 0) { 4798 mAppDirs.put(pkg.mPath, pkg); 4799 } 4800 // Add the new setting to mSettings 4801 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4802 // Add the new setting to mPackages 4803 mPackages.put(pkg.applicationInfo.packageName, pkg); 4804 // Make sure we don't accidentally delete its data. 4805 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4806 while (iter.hasNext()) { 4807 PackageCleanItem item = iter.next(); 4808 if (pkgName.equals(item.packageName)) { 4809 iter.remove(); 4810 } 4811 } 4812 4813 // Take care of first install / last update times. 4814 if (currentTime != 0) { 4815 if (pkgSetting.firstInstallTime == 0) { 4816 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4817 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4818 pkgSetting.lastUpdateTime = currentTime; 4819 } 4820 } else if (pkgSetting.firstInstallTime == 0) { 4821 // We need *something*. Take time time stamp of the file. 4822 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4823 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4824 if (scanFileTime != pkgSetting.timeStamp) { 4825 // A package on the system image has changed; consider this 4826 // to be an update. 4827 pkgSetting.lastUpdateTime = scanFileTime; 4828 } 4829 } 4830 4831 // Add the package's KeySets to the global KeySetManager 4832 KeySetManager ksm = mSettings.mKeySetManager; 4833 try { 4834 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 4835 if (pkg.mKeySetMapping != null) { 4836 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 4837 if (entry.getValue() != null) { 4838 ksm.addDefinedKeySetToPackage(pkg.packageName, 4839 entry.getValue(), entry.getKey()); 4840 } 4841 } 4842 } 4843 } catch (NullPointerException e) { 4844 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 4845 } catch (IllegalArgumentException e) { 4846 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 4847 } 4848 4849 int N = pkg.providers.size(); 4850 StringBuilder r = null; 4851 int i; 4852 for (i=0; i<N; i++) { 4853 PackageParser.Provider p = pkg.providers.get(i); 4854 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 4855 p.info.processName, pkg.applicationInfo.uid); 4856 mProviders.addProvider(p); 4857 p.syncable = p.info.isSyncable; 4858 if (p.info.authority != null) { 4859 String names[] = p.info.authority.split(";"); 4860 p.info.authority = null; 4861 for (int j = 0; j < names.length; j++) { 4862 if (j == 1 && p.syncable) { 4863 // We only want the first authority for a provider to possibly be 4864 // syncable, so if we already added this provider using a different 4865 // authority clear the syncable flag. We copy the provider before 4866 // changing it because the mProviders object contains a reference 4867 // to a provider that we don't want to change. 4868 // Only do this for the second authority since the resulting provider 4869 // object can be the same for all future authorities for this provider. 4870 p = new PackageParser.Provider(p); 4871 p.syncable = false; 4872 } 4873 if (!mProvidersByAuthority.containsKey(names[j])) { 4874 mProvidersByAuthority.put(names[j], p); 4875 if (p.info.authority == null) { 4876 p.info.authority = names[j]; 4877 } else { 4878 p.info.authority = p.info.authority + ";" + names[j]; 4879 } 4880 if (DEBUG_PACKAGE_SCANNING) { 4881 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4882 Log.d(TAG, "Registered content provider: " + names[j] 4883 + ", className = " + p.info.name + ", isSyncable = " 4884 + p.info.isSyncable); 4885 } 4886 } else { 4887 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4888 Slog.w(TAG, "Skipping provider name " + names[j] + 4889 " (in package " + pkg.applicationInfo.packageName + 4890 "): name already used by " 4891 + ((other != null && other.getComponentName() != null) 4892 ? other.getComponentName().getPackageName() : "?")); 4893 } 4894 } 4895 } 4896 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4897 if (r == null) { 4898 r = new StringBuilder(256); 4899 } else { 4900 r.append(' '); 4901 } 4902 r.append(p.info.name); 4903 } 4904 } 4905 if (r != null) { 4906 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 4907 } 4908 4909 N = pkg.services.size(); 4910 r = null; 4911 for (i=0; i<N; i++) { 4912 PackageParser.Service s = pkg.services.get(i); 4913 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 4914 s.info.processName, pkg.applicationInfo.uid); 4915 mServices.addService(s); 4916 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4917 if (r == null) { 4918 r = new StringBuilder(256); 4919 } else { 4920 r.append(' '); 4921 } 4922 r.append(s.info.name); 4923 } 4924 } 4925 if (r != null) { 4926 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 4927 } 4928 4929 N = pkg.receivers.size(); 4930 r = null; 4931 for (i=0; i<N; i++) { 4932 PackageParser.Activity a = pkg.receivers.get(i); 4933 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4934 a.info.processName, pkg.applicationInfo.uid); 4935 mReceivers.addActivity(a, "receiver"); 4936 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4937 if (r == null) { 4938 r = new StringBuilder(256); 4939 } else { 4940 r.append(' '); 4941 } 4942 r.append(a.info.name); 4943 } 4944 } 4945 if (r != null) { 4946 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 4947 } 4948 4949 N = pkg.activities.size(); 4950 r = null; 4951 for (i=0; i<N; i++) { 4952 PackageParser.Activity a = pkg.activities.get(i); 4953 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 4954 a.info.processName, pkg.applicationInfo.uid); 4955 mActivities.addActivity(a, "activity"); 4956 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4957 if (r == null) { 4958 r = new StringBuilder(256); 4959 } else { 4960 r.append(' '); 4961 } 4962 r.append(a.info.name); 4963 } 4964 } 4965 if (r != null) { 4966 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 4967 } 4968 4969 N = pkg.permissionGroups.size(); 4970 r = null; 4971 for (i=0; i<N; i++) { 4972 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 4973 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 4974 if (cur == null) { 4975 mPermissionGroups.put(pg.info.name, pg); 4976 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4977 if (r == null) { 4978 r = new StringBuilder(256); 4979 } else { 4980 r.append(' '); 4981 } 4982 r.append(pg.info.name); 4983 } 4984 } else { 4985 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 4986 + pg.info.packageName + " ignored: original from " 4987 + cur.info.packageName); 4988 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4989 if (r == null) { 4990 r = new StringBuilder(256); 4991 } else { 4992 r.append(' '); 4993 } 4994 r.append("DUP:"); 4995 r.append(pg.info.name); 4996 } 4997 } 4998 } 4999 if (r != null) { 5000 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5001 } 5002 5003 N = pkg.permissions.size(); 5004 r = null; 5005 for (i=0; i<N; i++) { 5006 PackageParser.Permission p = pkg.permissions.get(i); 5007 HashMap<String, BasePermission> permissionMap = 5008 p.tree ? mSettings.mPermissionTrees 5009 : mSettings.mPermissions; 5010 p.group = mPermissionGroups.get(p.info.group); 5011 if (p.info.group == null || p.group != null) { 5012 BasePermission bp = permissionMap.get(p.info.name); 5013 if (bp == null) { 5014 bp = new BasePermission(p.info.name, p.info.packageName, 5015 BasePermission.TYPE_NORMAL); 5016 permissionMap.put(p.info.name, bp); 5017 } 5018 if (bp.perm == null) { 5019 if (bp.sourcePackage != null 5020 && !bp.sourcePackage.equals(p.info.packageName)) { 5021 // If this is a permission that was formerly defined by a non-system 5022 // app, but is now defined by a system app (following an upgrade), 5023 // discard the previous declaration and consider the system's to be 5024 // canonical. 5025 if (isSystemApp(p.owner)) { 5026 Slog.i(TAG, "New decl " + p.owner + " of permission " 5027 + p.info.name + " is system"); 5028 bp.sourcePackage = null; 5029 } 5030 } 5031 if (bp.sourcePackage == null 5032 || bp.sourcePackage.equals(p.info.packageName)) { 5033 BasePermission tree = findPermissionTreeLP(p.info.name); 5034 if (tree == null 5035 || tree.sourcePackage.equals(p.info.packageName)) { 5036 bp.packageSetting = pkgSetting; 5037 bp.perm = p; 5038 bp.uid = pkg.applicationInfo.uid; 5039 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5040 if (r == null) { 5041 r = new StringBuilder(256); 5042 } else { 5043 r.append(' '); 5044 } 5045 r.append(p.info.name); 5046 } 5047 } else { 5048 Slog.w(TAG, "Permission " + p.info.name + " from package " 5049 + p.info.packageName + " ignored: base tree " 5050 + tree.name + " is from package " 5051 + tree.sourcePackage); 5052 } 5053 } else { 5054 Slog.w(TAG, "Permission " + p.info.name + " from package " 5055 + p.info.packageName + " ignored: original from " 5056 + bp.sourcePackage); 5057 } 5058 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5059 if (r == null) { 5060 r = new StringBuilder(256); 5061 } else { 5062 r.append(' '); 5063 } 5064 r.append("DUP:"); 5065 r.append(p.info.name); 5066 } 5067 if (bp.perm == p) { 5068 bp.protectionLevel = p.info.protectionLevel; 5069 } 5070 } else { 5071 Slog.w(TAG, "Permission " + p.info.name + " from package " 5072 + p.info.packageName + " ignored: no group " 5073 + p.group); 5074 } 5075 } 5076 if (r != null) { 5077 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5078 } 5079 5080 N = pkg.instrumentation.size(); 5081 r = null; 5082 for (i=0; i<N; i++) { 5083 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5084 a.info.packageName = pkg.applicationInfo.packageName; 5085 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5086 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5087 a.info.dataDir = pkg.applicationInfo.dataDir; 5088 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5089 mInstrumentation.put(a.getComponentName(), a); 5090 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5091 if (r == null) { 5092 r = new StringBuilder(256); 5093 } else { 5094 r.append(' '); 5095 } 5096 r.append(a.info.name); 5097 } 5098 } 5099 if (r != null) { 5100 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5101 } 5102 5103 if (pkg.protectedBroadcasts != null) { 5104 N = pkg.protectedBroadcasts.size(); 5105 for (i=0; i<N; i++) { 5106 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5107 } 5108 } 5109 5110 pkgSetting.setTimeStamp(scanFileTime); 5111 } 5112 5113 return pkg; 5114 } 5115 5116 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5117 synchronized (mPackages) { 5118 mResolverReplaced = true; 5119 // Set up information for custom user intent resolution activity. 5120 mResolveActivity.applicationInfo = pkg.applicationInfo; 5121 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5122 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5123 mResolveActivity.processName = null; 5124 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5125 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5126 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5127 mResolveActivity.theme = 0; 5128 mResolveActivity.exported = true; 5129 mResolveActivity.enabled = true; 5130 mResolveInfo.activityInfo = mResolveActivity; 5131 mResolveInfo.priority = 0; 5132 mResolveInfo.preferredOrder = 0; 5133 mResolveInfo.match = 0; 5134 mResolveComponentName = mCustomResolverComponentName; 5135 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5136 mResolveComponentName); 5137 } 5138 } 5139 5140 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5141 PackageSetting pkgSetting) { 5142 final String apkLibPath = getApkName(pkgSetting.codePathString); 5143 final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath(); 5144 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5145 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5146 } 5147 5148 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5149 throws IOException { 5150 if (!nativeLibraryDir.isDirectory()) { 5151 nativeLibraryDir.delete(); 5152 5153 if (!nativeLibraryDir.mkdir()) { 5154 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5155 } 5156 5157 try { 5158 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5159 | S_IXOTH); 5160 } catch (ErrnoException e) { 5161 throw new IOException("Cannot chmod native library directory " 5162 + nativeLibraryDir.getPath(), e); 5163 } 5164 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5165 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5166 } 5167 5168 /* 5169 * If this is an internal application or our nativeLibraryPath points to 5170 * the app-lib directory, unpack the libraries if necessary. 5171 */ 5172 return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 5173 } 5174 5175 private void killApplication(String pkgName, int appId, String reason) { 5176 // Request the ActivityManager to kill the process(only for existing packages) 5177 // so that we do not end up in a confused state while the user is still using the older 5178 // version of the application while the new one gets installed. 5179 IActivityManager am = ActivityManagerNative.getDefault(); 5180 if (am != null) { 5181 try { 5182 am.killApplicationWithAppId(pkgName, appId, reason); 5183 } catch (RemoteException e) { 5184 } 5185 } 5186 } 5187 5188 void removePackageLI(PackageSetting ps, boolean chatty) { 5189 if (DEBUG_INSTALL) { 5190 if (chatty) 5191 Log.d(TAG, "Removing package " + ps.name); 5192 } 5193 5194 // writer 5195 synchronized (mPackages) { 5196 mPackages.remove(ps.name); 5197 if (ps.codePathString != null) { 5198 mAppDirs.remove(ps.codePathString); 5199 } 5200 5201 final PackageParser.Package pkg = ps.pkg; 5202 if (pkg != null) { 5203 cleanPackageDataStructuresLILPw(pkg, chatty); 5204 } 5205 } 5206 } 5207 5208 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5209 if (DEBUG_INSTALL) { 5210 if (chatty) 5211 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5212 } 5213 5214 // writer 5215 synchronized (mPackages) { 5216 mPackages.remove(pkg.applicationInfo.packageName); 5217 if (pkg.mPath != null) { 5218 mAppDirs.remove(pkg.mPath); 5219 } 5220 cleanPackageDataStructuresLILPw(pkg, chatty); 5221 } 5222 } 5223 5224 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5225 int N = pkg.providers.size(); 5226 StringBuilder r = null; 5227 int i; 5228 for (i=0; i<N; i++) { 5229 PackageParser.Provider p = pkg.providers.get(i); 5230 mProviders.removeProvider(p); 5231 if (p.info.authority == null) { 5232 5233 /* There was another ContentProvider with this authority when 5234 * this app was installed so this authority is null, 5235 * Ignore it as we don't have to unregister the provider. 5236 */ 5237 continue; 5238 } 5239 String names[] = p.info.authority.split(";"); 5240 for (int j = 0; j < names.length; j++) { 5241 if (mProvidersByAuthority.get(names[j]) == p) { 5242 mProvidersByAuthority.remove(names[j]); 5243 if (DEBUG_REMOVE) { 5244 if (chatty) 5245 Log.d(TAG, "Unregistered content provider: " + names[j] 5246 + ", className = " + p.info.name + ", isSyncable = " 5247 + p.info.isSyncable); 5248 } 5249 } 5250 } 5251 if (DEBUG_REMOVE && chatty) { 5252 if (r == null) { 5253 r = new StringBuilder(256); 5254 } else { 5255 r.append(' '); 5256 } 5257 r.append(p.info.name); 5258 } 5259 } 5260 if (r != null) { 5261 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5262 } 5263 5264 N = pkg.services.size(); 5265 r = null; 5266 for (i=0; i<N; i++) { 5267 PackageParser.Service s = pkg.services.get(i); 5268 mServices.removeService(s); 5269 if (chatty) { 5270 if (r == null) { 5271 r = new StringBuilder(256); 5272 } else { 5273 r.append(' '); 5274 } 5275 r.append(s.info.name); 5276 } 5277 } 5278 if (r != null) { 5279 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5280 } 5281 5282 N = pkg.receivers.size(); 5283 r = null; 5284 for (i=0; i<N; i++) { 5285 PackageParser.Activity a = pkg.receivers.get(i); 5286 mReceivers.removeActivity(a, "receiver"); 5287 if (DEBUG_REMOVE && chatty) { 5288 if (r == null) { 5289 r = new StringBuilder(256); 5290 } else { 5291 r.append(' '); 5292 } 5293 r.append(a.info.name); 5294 } 5295 } 5296 if (r != null) { 5297 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5298 } 5299 5300 N = pkg.activities.size(); 5301 r = null; 5302 for (i=0; i<N; i++) { 5303 PackageParser.Activity a = pkg.activities.get(i); 5304 mActivities.removeActivity(a, "activity"); 5305 if (DEBUG_REMOVE && chatty) { 5306 if (r == null) { 5307 r = new StringBuilder(256); 5308 } else { 5309 r.append(' '); 5310 } 5311 r.append(a.info.name); 5312 } 5313 } 5314 if (r != null) { 5315 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5316 } 5317 5318 N = pkg.permissions.size(); 5319 r = null; 5320 for (i=0; i<N; i++) { 5321 PackageParser.Permission p = pkg.permissions.get(i); 5322 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5323 if (bp == null) { 5324 bp = mSettings.mPermissionTrees.get(p.info.name); 5325 } 5326 if (bp != null && bp.perm == p) { 5327 bp.perm = null; 5328 if (DEBUG_REMOVE && chatty) { 5329 if (r == null) { 5330 r = new StringBuilder(256); 5331 } else { 5332 r.append(' '); 5333 } 5334 r.append(p.info.name); 5335 } 5336 } 5337 } 5338 if (r != null) { 5339 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5340 } 5341 5342 N = pkg.instrumentation.size(); 5343 r = null; 5344 for (i=0; i<N; i++) { 5345 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5346 mInstrumentation.remove(a.getComponentName()); 5347 if (DEBUG_REMOVE && chatty) { 5348 if (r == null) { 5349 r = new StringBuilder(256); 5350 } else { 5351 r.append(' '); 5352 } 5353 r.append(a.info.name); 5354 } 5355 } 5356 if (r != null) { 5357 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5358 } 5359 5360 r = null; 5361 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5362 // Only system apps can hold shared libraries. 5363 if (pkg.libraryNames != null) { 5364 for (i=0; i<pkg.libraryNames.size(); i++) { 5365 String name = pkg.libraryNames.get(i); 5366 SharedLibraryEntry cur = mSharedLibraries.get(name); 5367 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5368 mSharedLibraries.remove(name); 5369 if (DEBUG_REMOVE && chatty) { 5370 if (r == null) { 5371 r = new StringBuilder(256); 5372 } else { 5373 r.append(' '); 5374 } 5375 r.append(name); 5376 } 5377 } 5378 } 5379 } 5380 } 5381 if (r != null) { 5382 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5383 } 5384 } 5385 5386 private static final boolean isPackageFilename(String name) { 5387 return name != null && name.endsWith(".apk"); 5388 } 5389 5390 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5391 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5392 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5393 return true; 5394 } 5395 } 5396 return false; 5397 } 5398 5399 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5400 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5401 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5402 5403 private void updatePermissionsLPw(String changingPkg, 5404 PackageParser.Package pkgInfo, int flags) { 5405 // Make sure there are no dangling permission trees. 5406 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5407 while (it.hasNext()) { 5408 final BasePermission bp = it.next(); 5409 if (bp.packageSetting == null) { 5410 // We may not yet have parsed the package, so just see if 5411 // we still know about its settings. 5412 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5413 } 5414 if (bp.packageSetting == null) { 5415 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5416 + " from package " + bp.sourcePackage); 5417 it.remove(); 5418 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5419 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5420 Slog.i(TAG, "Removing old permission tree: " + bp.name 5421 + " from package " + bp.sourcePackage); 5422 flags |= UPDATE_PERMISSIONS_ALL; 5423 it.remove(); 5424 } 5425 } 5426 } 5427 5428 // Make sure all dynamic permissions have been assigned to a package, 5429 // and make sure there are no dangling permissions. 5430 it = mSettings.mPermissions.values().iterator(); 5431 while (it.hasNext()) { 5432 final BasePermission bp = it.next(); 5433 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5434 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5435 + bp.name + " pkg=" + bp.sourcePackage 5436 + " info=" + bp.pendingInfo); 5437 if (bp.packageSetting == null && bp.pendingInfo != null) { 5438 final BasePermission tree = findPermissionTreeLP(bp.name); 5439 if (tree != null && tree.perm != null) { 5440 bp.packageSetting = tree.packageSetting; 5441 bp.perm = new PackageParser.Permission(tree.perm.owner, 5442 new PermissionInfo(bp.pendingInfo)); 5443 bp.perm.info.packageName = tree.perm.info.packageName; 5444 bp.perm.info.name = bp.name; 5445 bp.uid = tree.uid; 5446 } 5447 } 5448 } 5449 if (bp.packageSetting == null) { 5450 // We may not yet have parsed the package, so just see if 5451 // we still know about its settings. 5452 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5453 } 5454 if (bp.packageSetting == null) { 5455 Slog.w(TAG, "Removing dangling permission: " + bp.name 5456 + " from package " + bp.sourcePackage); 5457 it.remove(); 5458 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5459 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5460 Slog.i(TAG, "Removing old permission: " + bp.name 5461 + " from package " + bp.sourcePackage); 5462 flags |= UPDATE_PERMISSIONS_ALL; 5463 it.remove(); 5464 } 5465 } 5466 } 5467 5468 // Now update the permissions for all packages, in particular 5469 // replace the granted permissions of the system packages. 5470 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5471 for (PackageParser.Package pkg : mPackages.values()) { 5472 if (pkg != pkgInfo) { 5473 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5474 } 5475 } 5476 } 5477 5478 if (pkgInfo != null) { 5479 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5480 } 5481 } 5482 5483 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5484 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5485 if (ps == null) { 5486 return; 5487 } 5488 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5489 HashSet<String> origPermissions = gp.grantedPermissions; 5490 boolean changedPermission = false; 5491 5492 if (replace) { 5493 ps.permissionsFixed = false; 5494 if (gp == ps) { 5495 origPermissions = new HashSet<String>(gp.grantedPermissions); 5496 gp.grantedPermissions.clear(); 5497 gp.gids = mGlobalGids; 5498 } 5499 } 5500 5501 if (gp.gids == null) { 5502 gp.gids = mGlobalGids; 5503 } 5504 5505 final int N = pkg.requestedPermissions.size(); 5506 for (int i=0; i<N; i++) { 5507 final String name = pkg.requestedPermissions.get(i); 5508 final boolean required = pkg.requestedPermissionsRequired.get(i); 5509 final BasePermission bp = mSettings.mPermissions.get(name); 5510 if (DEBUG_INSTALL) { 5511 if (gp != ps) { 5512 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5513 } 5514 } 5515 5516 if (bp == null || bp.packageSetting == null) { 5517 Slog.w(TAG, "Unknown permission " + name 5518 + " in package " + pkg.packageName); 5519 continue; 5520 } 5521 5522 final String perm = bp.name; 5523 boolean allowed; 5524 boolean allowedSig = false; 5525 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5526 if (level == PermissionInfo.PROTECTION_NORMAL 5527 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5528 // We grant a normal or dangerous permission if any of the following 5529 // are true: 5530 // 1) The permission is required 5531 // 2) The permission is optional, but was granted in the past 5532 // 3) The permission is optional, but was requested by an 5533 // app in /system (not /data) 5534 // 5535 // Otherwise, reject the permission. 5536 allowed = (required || origPermissions.contains(perm) 5537 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5538 } else if (bp.packageSetting == null) { 5539 // This permission is invalid; skip it. 5540 allowed = false; 5541 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5542 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5543 if (allowed) { 5544 allowedSig = true; 5545 } 5546 } else { 5547 allowed = false; 5548 } 5549 if (DEBUG_INSTALL) { 5550 if (gp != ps) { 5551 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5552 } 5553 } 5554 if (allowed) { 5555 if (!isSystemApp(ps) && ps.permissionsFixed) { 5556 // If this is an existing, non-system package, then 5557 // we can't add any new permissions to it. 5558 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5559 // Except... if this is a permission that was added 5560 // to the platform (note: need to only do this when 5561 // updating the platform). 5562 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5563 } 5564 } 5565 if (allowed) { 5566 if (!gp.grantedPermissions.contains(perm)) { 5567 changedPermission = true; 5568 gp.grantedPermissions.add(perm); 5569 gp.gids = appendInts(gp.gids, bp.gids); 5570 } else if (!ps.haveGids) { 5571 gp.gids = appendInts(gp.gids, bp.gids); 5572 } 5573 } else { 5574 Slog.w(TAG, "Not granting permission " + perm 5575 + " to package " + pkg.packageName 5576 + " because it was previously installed without"); 5577 } 5578 } else { 5579 if (gp.grantedPermissions.remove(perm)) { 5580 changedPermission = true; 5581 gp.gids = removeInts(gp.gids, bp.gids); 5582 Slog.i(TAG, "Un-granting permission " + perm 5583 + " from package " + pkg.packageName 5584 + " (protectionLevel=" + bp.protectionLevel 5585 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5586 + ")"); 5587 } else { 5588 Slog.w(TAG, "Not granting permission " + perm 5589 + " to package " + pkg.packageName 5590 + " (protectionLevel=" + bp.protectionLevel 5591 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5592 + ")"); 5593 } 5594 } 5595 } 5596 5597 if ((changedPermission || replace) && !ps.permissionsFixed && 5598 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5599 // This is the first that we have heard about this package, so the 5600 // permissions we have now selected are fixed until explicitly 5601 // changed. 5602 ps.permissionsFixed = true; 5603 } 5604 ps.haveGids = true; 5605 } 5606 5607 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5608 boolean allowed = false; 5609 final int NP = PackageParser.NEW_PERMISSIONS.length; 5610 for (int ip=0; ip<NP; ip++) { 5611 final PackageParser.NewPermissionInfo npi 5612 = PackageParser.NEW_PERMISSIONS[ip]; 5613 if (npi.name.equals(perm) 5614 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5615 allowed = true; 5616 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5617 + pkg.packageName); 5618 break; 5619 } 5620 } 5621 return allowed; 5622 } 5623 5624 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5625 BasePermission bp, HashSet<String> origPermissions) { 5626 boolean allowed; 5627 allowed = (compareSignatures( 5628 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5629 == PackageManager.SIGNATURE_MATCH) 5630 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5631 == PackageManager.SIGNATURE_MATCH); 5632 if (!allowed && (bp.protectionLevel 5633 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5634 if (isSystemApp(pkg)) { 5635 // For updated system applications, a system permission 5636 // is granted only if it had been defined by the original application. 5637 if (isUpdatedSystemApp(pkg)) { 5638 final PackageSetting sysPs = mSettings 5639 .getDisabledSystemPkgLPr(pkg.packageName); 5640 final GrantedPermissions origGp = sysPs.sharedUser != null 5641 ? sysPs.sharedUser : sysPs; 5642 5643 if (origGp.grantedPermissions.contains(perm)) { 5644 // If the original was granted this permission, we take 5645 // that grant decision as read and propagate it to the 5646 // update. 5647 allowed = true; 5648 } else { 5649 // The system apk may have been updated with an older 5650 // version of the one on the data partition, but which 5651 // granted a new system permission that it didn't have 5652 // before. In this case we do want to allow the app to 5653 // now get the new permission if the ancestral apk is 5654 // privileged to get it. 5655 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5656 for (int j=0; 5657 j<sysPs.pkg.requestedPermissions.size(); j++) { 5658 if (perm.equals( 5659 sysPs.pkg.requestedPermissions.get(j))) { 5660 allowed = true; 5661 break; 5662 } 5663 } 5664 } 5665 } 5666 } else { 5667 allowed = isPrivilegedApp(pkg); 5668 } 5669 } 5670 } 5671 if (!allowed && (bp.protectionLevel 5672 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5673 // For development permissions, a development permission 5674 // is granted only if it was already granted. 5675 allowed = origPermissions.contains(perm); 5676 } 5677 return allowed; 5678 } 5679 5680 final class ActivityIntentResolver 5681 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5682 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5683 boolean defaultOnly, int userId) { 5684 if (!sUserManager.exists(userId)) return null; 5685 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5686 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5687 } 5688 5689 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5690 int userId) { 5691 if (!sUserManager.exists(userId)) return null; 5692 mFlags = flags; 5693 return super.queryIntent(intent, resolvedType, 5694 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5695 } 5696 5697 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5698 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5699 if (!sUserManager.exists(userId)) return null; 5700 if (packageActivities == null) { 5701 return null; 5702 } 5703 mFlags = flags; 5704 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5705 final int N = packageActivities.size(); 5706 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5707 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5708 5709 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5710 for (int i = 0; i < N; ++i) { 5711 intentFilters = packageActivities.get(i).intents; 5712 if (intentFilters != null && intentFilters.size() > 0) { 5713 PackageParser.ActivityIntentInfo[] array = 5714 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5715 intentFilters.toArray(array); 5716 listCut.add(array); 5717 } 5718 } 5719 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5720 } 5721 5722 public final void addActivity(PackageParser.Activity a, String type) { 5723 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5724 mActivities.put(a.getComponentName(), a); 5725 if (DEBUG_SHOW_INFO) 5726 Log.v( 5727 TAG, " " + type + " " + 5728 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5729 if (DEBUG_SHOW_INFO) 5730 Log.v(TAG, " Class=" + a.info.name); 5731 final int NI = a.intents.size(); 5732 for (int j=0; j<NI; j++) { 5733 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5734 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5735 intent.setPriority(0); 5736 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5737 + a.className + " with priority > 0, forcing to 0"); 5738 } 5739 if (DEBUG_SHOW_INFO) { 5740 Log.v(TAG, " IntentFilter:"); 5741 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5742 } 5743 if (!intent.debugCheck()) { 5744 Log.w(TAG, "==> For Activity " + a.info.name); 5745 } 5746 addFilter(intent); 5747 } 5748 } 5749 5750 public final void removeActivity(PackageParser.Activity a, String type) { 5751 mActivities.remove(a.getComponentName()); 5752 if (DEBUG_SHOW_INFO) { 5753 Log.v(TAG, " " + type + " " 5754 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5755 : a.info.name) + ":"); 5756 Log.v(TAG, " Class=" + a.info.name); 5757 } 5758 final int NI = a.intents.size(); 5759 for (int j=0; j<NI; j++) { 5760 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5761 if (DEBUG_SHOW_INFO) { 5762 Log.v(TAG, " IntentFilter:"); 5763 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5764 } 5765 removeFilter(intent); 5766 } 5767 } 5768 5769 @Override 5770 protected boolean allowFilterResult( 5771 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5772 ActivityInfo filterAi = filter.activity.info; 5773 for (int i=dest.size()-1; i>=0; i--) { 5774 ActivityInfo destAi = dest.get(i).activityInfo; 5775 if (destAi.name == filterAi.name 5776 && destAi.packageName == filterAi.packageName) { 5777 return false; 5778 } 5779 } 5780 return true; 5781 } 5782 5783 @Override 5784 protected ActivityIntentInfo[] newArray(int size) { 5785 return new ActivityIntentInfo[size]; 5786 } 5787 5788 @Override 5789 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5790 if (!sUserManager.exists(userId)) return true; 5791 PackageParser.Package p = filter.activity.owner; 5792 if (p != null) { 5793 PackageSetting ps = (PackageSetting)p.mExtras; 5794 if (ps != null) { 5795 // System apps are never considered stopped for purposes of 5796 // filtering, because there may be no way for the user to 5797 // actually re-launch them. 5798 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 5799 && ps.getStopped(userId); 5800 } 5801 } 5802 return false; 5803 } 5804 5805 @Override 5806 protected boolean isPackageForFilter(String packageName, 5807 PackageParser.ActivityIntentInfo info) { 5808 return packageName.equals(info.activity.owner.packageName); 5809 } 5810 5811 @Override 5812 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 5813 int match, int userId) { 5814 if (!sUserManager.exists(userId)) return null; 5815 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 5816 return null; 5817 } 5818 final PackageParser.Activity activity = info.activity; 5819 if (mSafeMode && (activity.info.applicationInfo.flags 5820 &ApplicationInfo.FLAG_SYSTEM) == 0) { 5821 return null; 5822 } 5823 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 5824 if (ps == null) { 5825 return null; 5826 } 5827 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 5828 ps.readUserState(userId), userId); 5829 if (ai == null) { 5830 return null; 5831 } 5832 final ResolveInfo res = new ResolveInfo(); 5833 res.activityInfo = ai; 5834 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 5835 res.filter = info; 5836 } 5837 res.priority = info.getPriority(); 5838 res.preferredOrder = activity.owner.mPreferredOrder; 5839 //System.out.println("Result: " + res.activityInfo.className + 5840 // " = " + res.priority); 5841 res.match = match; 5842 res.isDefault = info.hasDefault; 5843 res.labelRes = info.labelRes; 5844 res.nonLocalizedLabel = info.nonLocalizedLabel; 5845 res.icon = info.icon; 5846 res.system = isSystemApp(res.activityInfo.applicationInfo); 5847 return res; 5848 } 5849 5850 @Override 5851 protected void sortResults(List<ResolveInfo> results) { 5852 Collections.sort(results, mResolvePrioritySorter); 5853 } 5854 5855 @Override 5856 protected void dumpFilter(PrintWriter out, String prefix, 5857 PackageParser.ActivityIntentInfo filter) { 5858 out.print(prefix); out.print( 5859 Integer.toHexString(System.identityHashCode(filter.activity))); 5860 out.print(' '); 5861 filter.activity.printComponentShortName(out); 5862 out.print(" filter "); 5863 out.println(Integer.toHexString(System.identityHashCode(filter))); 5864 } 5865 5866// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 5867// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 5868// final List<ResolveInfo> retList = Lists.newArrayList(); 5869// while (i.hasNext()) { 5870// final ResolveInfo resolveInfo = i.next(); 5871// if (isEnabledLP(resolveInfo.activityInfo)) { 5872// retList.add(resolveInfo); 5873// } 5874// } 5875// return retList; 5876// } 5877 5878 // Keys are String (activity class name), values are Activity. 5879 private final HashMap<ComponentName, PackageParser.Activity> mActivities 5880 = new HashMap<ComponentName, PackageParser.Activity>(); 5881 private int mFlags; 5882 } 5883 5884 private final class ServiceIntentResolver 5885 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 5886 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5887 boolean defaultOnly, int userId) { 5888 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5889 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5890 } 5891 5892 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5893 int userId) { 5894 if (!sUserManager.exists(userId)) return null; 5895 mFlags = flags; 5896 return super.queryIntent(intent, resolvedType, 5897 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5898 } 5899 5900 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5901 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 5902 if (!sUserManager.exists(userId)) return null; 5903 if (packageServices == null) { 5904 return null; 5905 } 5906 mFlags = flags; 5907 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5908 final int N = packageServices.size(); 5909 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 5910 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 5911 5912 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 5913 for (int i = 0; i < N; ++i) { 5914 intentFilters = packageServices.get(i).intents; 5915 if (intentFilters != null && intentFilters.size() > 0) { 5916 PackageParser.ServiceIntentInfo[] array = 5917 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 5918 intentFilters.toArray(array); 5919 listCut.add(array); 5920 } 5921 } 5922 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5923 } 5924 5925 public final void addService(PackageParser.Service s) { 5926 mServices.put(s.getComponentName(), s); 5927 if (DEBUG_SHOW_INFO) { 5928 Log.v(TAG, " " 5929 + (s.info.nonLocalizedLabel != null 5930 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5931 Log.v(TAG, " Class=" + s.info.name); 5932 } 5933 final int NI = s.intents.size(); 5934 int j; 5935 for (j=0; j<NI; j++) { 5936 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5937 if (DEBUG_SHOW_INFO) { 5938 Log.v(TAG, " IntentFilter:"); 5939 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5940 } 5941 if (!intent.debugCheck()) { 5942 Log.w(TAG, "==> For Service " + s.info.name); 5943 } 5944 addFilter(intent); 5945 } 5946 } 5947 5948 public final void removeService(PackageParser.Service s) { 5949 mServices.remove(s.getComponentName()); 5950 if (DEBUG_SHOW_INFO) { 5951 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 5952 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 5953 Log.v(TAG, " Class=" + s.info.name); 5954 } 5955 final int NI = s.intents.size(); 5956 int j; 5957 for (j=0; j<NI; j++) { 5958 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 5959 if (DEBUG_SHOW_INFO) { 5960 Log.v(TAG, " IntentFilter:"); 5961 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5962 } 5963 removeFilter(intent); 5964 } 5965 } 5966 5967 @Override 5968 protected boolean allowFilterResult( 5969 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 5970 ServiceInfo filterSi = filter.service.info; 5971 for (int i=dest.size()-1; i>=0; i--) { 5972 ServiceInfo destAi = dest.get(i).serviceInfo; 5973 if (destAi.name == filterSi.name 5974 && destAi.packageName == filterSi.packageName) { 5975 return false; 5976 } 5977 } 5978 return true; 5979 } 5980 5981 @Override 5982 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 5983 return new PackageParser.ServiceIntentInfo[size]; 5984 } 5985 5986 @Override 5987 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 5988 if (!sUserManager.exists(userId)) return true; 5989 PackageParser.Package p = filter.service.owner; 5990 if (p != null) { 5991 PackageSetting ps = (PackageSetting)p.mExtras; 5992 if (ps != null) { 5993 // System apps are never considered stopped for purposes of 5994 // filtering, because there may be no way for the user to 5995 // actually re-launch them. 5996 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 5997 && ps.getStopped(userId); 5998 } 5999 } 6000 return false; 6001 } 6002 6003 @Override 6004 protected boolean isPackageForFilter(String packageName, 6005 PackageParser.ServiceIntentInfo info) { 6006 return packageName.equals(info.service.owner.packageName); 6007 } 6008 6009 @Override 6010 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6011 int match, int userId) { 6012 if (!sUserManager.exists(userId)) return null; 6013 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6014 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6015 return null; 6016 } 6017 final PackageParser.Service service = info.service; 6018 if (mSafeMode && (service.info.applicationInfo.flags 6019 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6020 return null; 6021 } 6022 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6023 if (ps == null) { 6024 return null; 6025 } 6026 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6027 ps.readUserState(userId), userId); 6028 if (si == null) { 6029 return null; 6030 } 6031 final ResolveInfo res = new ResolveInfo(); 6032 res.serviceInfo = si; 6033 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6034 res.filter = filter; 6035 } 6036 res.priority = info.getPriority(); 6037 res.preferredOrder = service.owner.mPreferredOrder; 6038 //System.out.println("Result: " + res.activityInfo.className + 6039 // " = " + res.priority); 6040 res.match = match; 6041 res.isDefault = info.hasDefault; 6042 res.labelRes = info.labelRes; 6043 res.nonLocalizedLabel = info.nonLocalizedLabel; 6044 res.icon = info.icon; 6045 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6046 return res; 6047 } 6048 6049 @Override 6050 protected void sortResults(List<ResolveInfo> results) { 6051 Collections.sort(results, mResolvePrioritySorter); 6052 } 6053 6054 @Override 6055 protected void dumpFilter(PrintWriter out, String prefix, 6056 PackageParser.ServiceIntentInfo filter) { 6057 out.print(prefix); out.print( 6058 Integer.toHexString(System.identityHashCode(filter.service))); 6059 out.print(' '); 6060 filter.service.printComponentShortName(out); 6061 out.print(" filter "); 6062 out.println(Integer.toHexString(System.identityHashCode(filter))); 6063 } 6064 6065// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6066// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6067// final List<ResolveInfo> retList = Lists.newArrayList(); 6068// while (i.hasNext()) { 6069// final ResolveInfo resolveInfo = (ResolveInfo) i; 6070// if (isEnabledLP(resolveInfo.serviceInfo)) { 6071// retList.add(resolveInfo); 6072// } 6073// } 6074// return retList; 6075// } 6076 6077 // Keys are String (activity class name), values are Activity. 6078 private final HashMap<ComponentName, PackageParser.Service> mServices 6079 = new HashMap<ComponentName, PackageParser.Service>(); 6080 private int mFlags; 6081 }; 6082 6083 private final class ProviderIntentResolver 6084 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6085 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6086 boolean defaultOnly, int userId) { 6087 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6088 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6089 } 6090 6091 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6092 int userId) { 6093 if (!sUserManager.exists(userId)) 6094 return null; 6095 mFlags = flags; 6096 return super.queryIntent(intent, resolvedType, 6097 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6098 } 6099 6100 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6101 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6102 if (!sUserManager.exists(userId)) 6103 return null; 6104 if (packageProviders == null) { 6105 return null; 6106 } 6107 mFlags = flags; 6108 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6109 final int N = packageProviders.size(); 6110 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6111 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6112 6113 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6114 for (int i = 0; i < N; ++i) { 6115 intentFilters = packageProviders.get(i).intents; 6116 if (intentFilters != null && intentFilters.size() > 0) { 6117 PackageParser.ProviderIntentInfo[] array = 6118 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6119 intentFilters.toArray(array); 6120 listCut.add(array); 6121 } 6122 } 6123 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6124 } 6125 6126 public final void addProvider(PackageParser.Provider p) { 6127 mProviders.put(p.getComponentName(), p); 6128 if (DEBUG_SHOW_INFO) { 6129 Log.v(TAG, " " 6130 + (p.info.nonLocalizedLabel != null 6131 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6132 Log.v(TAG, " Class=" + p.info.name); 6133 } 6134 final int NI = p.intents.size(); 6135 int j; 6136 for (j = 0; j < NI; j++) { 6137 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6138 if (DEBUG_SHOW_INFO) { 6139 Log.v(TAG, " IntentFilter:"); 6140 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6141 } 6142 if (!intent.debugCheck()) { 6143 Log.w(TAG, "==> For Provider " + p.info.name); 6144 } 6145 addFilter(intent); 6146 } 6147 } 6148 6149 public final void removeProvider(PackageParser.Provider p) { 6150 mProviders.remove(p.getComponentName()); 6151 if (DEBUG_SHOW_INFO) { 6152 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6153 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6154 Log.v(TAG, " Class=" + p.info.name); 6155 } 6156 final int NI = p.intents.size(); 6157 int j; 6158 for (j = 0; j < NI; j++) { 6159 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6160 if (DEBUG_SHOW_INFO) { 6161 Log.v(TAG, " IntentFilter:"); 6162 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6163 } 6164 removeFilter(intent); 6165 } 6166 } 6167 6168 @Override 6169 protected boolean allowFilterResult( 6170 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6171 ProviderInfo filterPi = filter.provider.info; 6172 for (int i = dest.size() - 1; i >= 0; i--) { 6173 ProviderInfo destPi = dest.get(i).providerInfo; 6174 if (destPi.name == filterPi.name 6175 && destPi.packageName == filterPi.packageName) { 6176 return false; 6177 } 6178 } 6179 return true; 6180 } 6181 6182 @Override 6183 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6184 return new PackageParser.ProviderIntentInfo[size]; 6185 } 6186 6187 @Override 6188 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6189 if (!sUserManager.exists(userId)) 6190 return true; 6191 PackageParser.Package p = filter.provider.owner; 6192 if (p != null) { 6193 PackageSetting ps = (PackageSetting) p.mExtras; 6194 if (ps != null) { 6195 // System apps are never considered stopped for purposes of 6196 // filtering, because there may be no way for the user to 6197 // actually re-launch them. 6198 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6199 && ps.getStopped(userId); 6200 } 6201 } 6202 return false; 6203 } 6204 6205 @Override 6206 protected boolean isPackageForFilter(String packageName, 6207 PackageParser.ProviderIntentInfo info) { 6208 return packageName.equals(info.provider.owner.packageName); 6209 } 6210 6211 @Override 6212 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6213 int match, int userId) { 6214 if (!sUserManager.exists(userId)) 6215 return null; 6216 final PackageParser.ProviderIntentInfo info = filter; 6217 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6218 return null; 6219 } 6220 final PackageParser.Provider provider = info.provider; 6221 if (mSafeMode && (provider.info.applicationInfo.flags 6222 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6223 return null; 6224 } 6225 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6226 if (ps == null) { 6227 return null; 6228 } 6229 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6230 ps.readUserState(userId), userId); 6231 if (pi == null) { 6232 return null; 6233 } 6234 final ResolveInfo res = new ResolveInfo(); 6235 res.providerInfo = pi; 6236 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6237 res.filter = filter; 6238 } 6239 res.priority = info.getPriority(); 6240 res.preferredOrder = provider.owner.mPreferredOrder; 6241 res.match = match; 6242 res.isDefault = info.hasDefault; 6243 res.labelRes = info.labelRes; 6244 res.nonLocalizedLabel = info.nonLocalizedLabel; 6245 res.icon = info.icon; 6246 res.system = isSystemApp(res.providerInfo.applicationInfo); 6247 return res; 6248 } 6249 6250 @Override 6251 protected void sortResults(List<ResolveInfo> results) { 6252 Collections.sort(results, mResolvePrioritySorter); 6253 } 6254 6255 @Override 6256 protected void dumpFilter(PrintWriter out, String prefix, 6257 PackageParser.ProviderIntentInfo filter) { 6258 out.print(prefix); 6259 out.print( 6260 Integer.toHexString(System.identityHashCode(filter.provider))); 6261 out.print(' '); 6262 filter.provider.printComponentShortName(out); 6263 out.print(" filter "); 6264 out.println(Integer.toHexString(System.identityHashCode(filter))); 6265 } 6266 6267 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6268 = new HashMap<ComponentName, PackageParser.Provider>(); 6269 private int mFlags; 6270 }; 6271 6272 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6273 new Comparator<ResolveInfo>() { 6274 public int compare(ResolveInfo r1, ResolveInfo r2) { 6275 int v1 = r1.priority; 6276 int v2 = r2.priority; 6277 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6278 if (v1 != v2) { 6279 return (v1 > v2) ? -1 : 1; 6280 } 6281 v1 = r1.preferredOrder; 6282 v2 = r2.preferredOrder; 6283 if (v1 != v2) { 6284 return (v1 > v2) ? -1 : 1; 6285 } 6286 if (r1.isDefault != r2.isDefault) { 6287 return r1.isDefault ? -1 : 1; 6288 } 6289 v1 = r1.match; 6290 v2 = r2.match; 6291 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6292 if (v1 != v2) { 6293 return (v1 > v2) ? -1 : 1; 6294 } 6295 if (r1.system != r2.system) { 6296 return r1.system ? -1 : 1; 6297 } 6298 return 0; 6299 } 6300 }; 6301 6302 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6303 new Comparator<ProviderInfo>() { 6304 public int compare(ProviderInfo p1, ProviderInfo p2) { 6305 final int v1 = p1.initOrder; 6306 final int v2 = p2.initOrder; 6307 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6308 } 6309 }; 6310 6311 static final void sendPackageBroadcast(String action, String pkg, 6312 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6313 int[] userIds) { 6314 IActivityManager am = ActivityManagerNative.getDefault(); 6315 if (am != null) { 6316 try { 6317 if (userIds == null) { 6318 userIds = am.getRunningUserIds(); 6319 } 6320 for (int id : userIds) { 6321 final Intent intent = new Intent(action, 6322 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6323 if (extras != null) { 6324 intent.putExtras(extras); 6325 } 6326 if (targetPkg != null) { 6327 intent.setPackage(targetPkg); 6328 } 6329 // Modify the UID when posting to other users 6330 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6331 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6332 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6333 intent.putExtra(Intent.EXTRA_UID, uid); 6334 } 6335 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6336 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6337 if (DEBUG_BROADCASTS) { 6338 RuntimeException here = new RuntimeException("here"); 6339 here.fillInStackTrace(); 6340 Slog.d(TAG, "Sending to user " + id + ": " 6341 + intent.toShortString(false, true, false, false) 6342 + " " + intent.getExtras(), here); 6343 } 6344 am.broadcastIntent(null, intent, null, finishedReceiver, 6345 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6346 finishedReceiver != null, false, id); 6347 } 6348 } catch (RemoteException ex) { 6349 } 6350 } 6351 } 6352 6353 /** 6354 * Check if the external storage media is available. This is true if there 6355 * is a mounted external storage medium or if the external storage is 6356 * emulated. 6357 */ 6358 private boolean isExternalMediaAvailable() { 6359 return mMediaMounted || Environment.isExternalStorageEmulated(); 6360 } 6361 6362 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6363 // writer 6364 synchronized (mPackages) { 6365 if (!isExternalMediaAvailable()) { 6366 // If the external storage is no longer mounted at this point, 6367 // the caller may not have been able to delete all of this 6368 // packages files and can not delete any more. Bail. 6369 return null; 6370 } 6371 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6372 if (lastPackage != null) { 6373 pkgs.remove(lastPackage); 6374 } 6375 if (pkgs.size() > 0) { 6376 return pkgs.get(0); 6377 } 6378 } 6379 return null; 6380 } 6381 6382 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6383 if (false) { 6384 RuntimeException here = new RuntimeException("here"); 6385 here.fillInStackTrace(); 6386 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6387 + " andCode=" + andCode, here); 6388 } 6389 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6390 userId, andCode ? 1 : 0, packageName)); 6391 } 6392 6393 void startCleaningPackages() { 6394 // reader 6395 synchronized (mPackages) { 6396 if (!isExternalMediaAvailable()) { 6397 return; 6398 } 6399 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6400 return; 6401 } 6402 } 6403 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6404 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6405 IActivityManager am = ActivityManagerNative.getDefault(); 6406 if (am != null) { 6407 try { 6408 am.startService(null, intent, null, UserHandle.USER_OWNER); 6409 } catch (RemoteException e) { 6410 } 6411 } 6412 } 6413 6414 private final class AppDirObserver extends FileObserver { 6415 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6416 super(path, mask); 6417 mRootDir = path; 6418 mIsRom = isrom; 6419 mIsPrivileged = isPrivileged; 6420 } 6421 6422 public void onEvent(int event, String path) { 6423 String removedPackage = null; 6424 int removedAppId = -1; 6425 int[] removedUsers = null; 6426 String addedPackage = null; 6427 int addedAppId = -1; 6428 int[] addedUsers = null; 6429 6430 // TODO post a message to the handler to obtain serial ordering 6431 synchronized (mInstallLock) { 6432 String fullPathStr = null; 6433 File fullPath = null; 6434 if (path != null) { 6435 fullPath = new File(mRootDir, path); 6436 fullPathStr = fullPath.getPath(); 6437 } 6438 6439 if (DEBUG_APP_DIR_OBSERVER) 6440 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6441 6442 if (!isPackageFilename(path)) { 6443 if (DEBUG_APP_DIR_OBSERVER) 6444 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6445 return; 6446 } 6447 6448 // Ignore packages that are being installed or 6449 // have just been installed. 6450 if (ignoreCodePath(fullPathStr)) { 6451 return; 6452 } 6453 PackageParser.Package p = null; 6454 PackageSetting ps = null; 6455 // reader 6456 synchronized (mPackages) { 6457 p = mAppDirs.get(fullPathStr); 6458 if (p != null) { 6459 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6460 if (ps != null) { 6461 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6462 } else { 6463 removedUsers = sUserManager.getUserIds(); 6464 } 6465 } 6466 addedUsers = sUserManager.getUserIds(); 6467 } 6468 if ((event&REMOVE_EVENTS) != 0) { 6469 if (ps != null) { 6470 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6471 removePackageLI(ps, true); 6472 removedPackage = ps.name; 6473 removedAppId = ps.appId; 6474 } 6475 } 6476 6477 if ((event&ADD_EVENTS) != 0) { 6478 if (p == null) { 6479 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6480 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6481 if (mIsRom) { 6482 flags |= PackageParser.PARSE_IS_SYSTEM 6483 | PackageParser.PARSE_IS_SYSTEM_DIR; 6484 if (mIsPrivileged) { 6485 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6486 } 6487 } 6488 p = scanPackageLI(fullPath, flags, 6489 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6490 System.currentTimeMillis(), UserHandle.ALL); 6491 if (p != null) { 6492 /* 6493 * TODO this seems dangerous as the package may have 6494 * changed since we last acquired the mPackages 6495 * lock. 6496 */ 6497 // writer 6498 synchronized (mPackages) { 6499 updatePermissionsLPw(p.packageName, p, 6500 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6501 } 6502 addedPackage = p.applicationInfo.packageName; 6503 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6504 } 6505 } 6506 } 6507 6508 // reader 6509 synchronized (mPackages) { 6510 mSettings.writeLPr(); 6511 } 6512 } 6513 6514 if (removedPackage != null) { 6515 Bundle extras = new Bundle(1); 6516 extras.putInt(Intent.EXTRA_UID, removedAppId); 6517 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6518 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6519 extras, null, null, removedUsers); 6520 } 6521 if (addedPackage != null) { 6522 Bundle extras = new Bundle(1); 6523 extras.putInt(Intent.EXTRA_UID, addedAppId); 6524 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6525 extras, null, null, addedUsers); 6526 } 6527 } 6528 6529 private final String mRootDir; 6530 private final boolean mIsRom; 6531 private final boolean mIsPrivileged; 6532 } 6533 6534 /* Called when a downloaded package installation has been confirmed by the user */ 6535 public void installPackage( 6536 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6537 installPackage(packageURI, observer, flags, null); 6538 } 6539 6540 /* Called when a downloaded package installation has been confirmed by the user */ 6541 public void installPackage( 6542 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6543 final String installerPackageName) { 6544 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6545 null, null); 6546 } 6547 6548 @Override 6549 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6550 int flags, String installerPackageName, Uri verificationURI, 6551 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6552 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6553 VerificationParams.NO_UID, manifestDigest); 6554 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6555 installerPackageName, verificationParams, encryptionParams); 6556 } 6557 6558 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6559 IPackageInstallObserver observer, int flags, String installerPackageName, 6560 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6561 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6562 null); 6563 6564 final int uid = Binder.getCallingUid(); 6565 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6566 try { 6567 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6568 } catch (RemoteException re) { 6569 } 6570 return; 6571 } 6572 6573 UserHandle user; 6574 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6575 user = UserHandle.ALL; 6576 } else { 6577 user = new UserHandle(UserHandle.getUserId(uid)); 6578 } 6579 6580 final int filteredFlags; 6581 6582 if (uid == Process.SHELL_UID || uid == 0) { 6583 if (DEBUG_INSTALL) { 6584 Slog.v(TAG, "Install from ADB"); 6585 } 6586 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6587 } else { 6588 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6589 } 6590 6591 verificationParams.setInstallerUid(uid); 6592 6593 final Message msg = mHandler.obtainMessage(INIT_COPY); 6594 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6595 verificationParams, encryptionParams, user); 6596 mHandler.sendMessage(msg); 6597 } 6598 6599 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6600 Bundle extras = new Bundle(1); 6601 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6602 6603 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6604 packageName, extras, null, null, new int[] {userId}); 6605 try { 6606 IActivityManager am = ActivityManagerNative.getDefault(); 6607 final boolean isSystem = 6608 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6609 if (isSystem && am.isUserRunning(userId, false)) { 6610 // The just-installed/enabled app is bundled on the system, so presumed 6611 // to be able to run automatically without needing an explicit launch. 6612 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6613 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6614 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6615 .setPackage(packageName); 6616 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6617 android.app.AppOpsManager.OP_NONE, false, false, userId); 6618 } 6619 } catch (RemoteException e) { 6620 // shouldn't happen 6621 Slog.w(TAG, "Unable to bootstrap installed package", e); 6622 } 6623 } 6624 6625 @Override 6626 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6627 int userId) { 6628 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6629 PackageSetting pkgSetting; 6630 final int uid = Binder.getCallingUid(); 6631 if (UserHandle.getUserId(uid) != userId) { 6632 mContext.enforceCallingOrSelfPermission( 6633 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6634 "setApplicationBlockedSetting for user " + userId); 6635 } 6636 6637 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6638 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6639 return false; 6640 } 6641 6642 long callingId = Binder.clearCallingIdentity(); 6643 try { 6644 boolean sendAdded = false; 6645 boolean sendRemoved = false; 6646 // writer 6647 synchronized (mPackages) { 6648 pkgSetting = mSettings.mPackages.get(packageName); 6649 if (pkgSetting == null) { 6650 return false; 6651 } 6652 if (pkgSetting.getBlocked(userId) != blocked) { 6653 pkgSetting.setBlocked(blocked, userId); 6654 mSettings.writePackageRestrictionsLPr(userId); 6655 if (blocked) { 6656 sendRemoved = true; 6657 } else { 6658 sendAdded = true; 6659 } 6660 } 6661 } 6662 if (sendAdded) { 6663 sendPackageAddedForUser(packageName, pkgSetting, userId); 6664 return true; 6665 } 6666 if (sendRemoved) { 6667 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6668 "blocking pkg"); 6669 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6670 } 6671 } finally { 6672 Binder.restoreCallingIdentity(callingId); 6673 } 6674 return false; 6675 } 6676 6677 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6678 int userId) { 6679 final PackageRemovedInfo info = new PackageRemovedInfo(); 6680 info.removedPackage = packageName; 6681 info.removedUsers = new int[] {userId}; 6682 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6683 info.sendBroadcast(false, false, false); 6684 } 6685 6686 /** 6687 * Returns true if application is not found or there was an error. Otherwise it returns 6688 * the blocked state of the package for the given user. 6689 */ 6690 @Override 6691 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6692 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6693 PackageSetting pkgSetting; 6694 final int uid = Binder.getCallingUid(); 6695 if (UserHandle.getUserId(uid) != userId) { 6696 mContext.enforceCallingPermission( 6697 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6698 "getApplicationBlocked for user " + userId); 6699 } 6700 long callingId = Binder.clearCallingIdentity(); 6701 try { 6702 // writer 6703 synchronized (mPackages) { 6704 pkgSetting = mSettings.mPackages.get(packageName); 6705 if (pkgSetting == null) { 6706 return true; 6707 } 6708 return pkgSetting.getBlocked(userId); 6709 } 6710 } finally { 6711 Binder.restoreCallingIdentity(callingId); 6712 } 6713 } 6714 6715 /** 6716 * @hide 6717 */ 6718 @Override 6719 public int installExistingPackageAsUser(String packageName, int userId) { 6720 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6721 null); 6722 PackageSetting pkgSetting; 6723 final int uid = Binder.getCallingUid(); 6724 if (UserHandle.getUserId(uid) != userId) { 6725 mContext.enforceCallingPermission( 6726 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6727 "installExistingPackage for user " + userId); 6728 } 6729 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6730 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6731 } 6732 6733 long callingId = Binder.clearCallingIdentity(); 6734 try { 6735 boolean sendAdded = false; 6736 Bundle extras = new Bundle(1); 6737 6738 // writer 6739 synchronized (mPackages) { 6740 pkgSetting = mSettings.mPackages.get(packageName); 6741 if (pkgSetting == null) { 6742 return PackageManager.INSTALL_FAILED_INVALID_URI; 6743 } 6744 if (!pkgSetting.getInstalled(userId)) { 6745 pkgSetting.setInstalled(true, userId); 6746 pkgSetting.setBlocked(false, userId); 6747 mSettings.writePackageRestrictionsLPr(userId); 6748 sendAdded = true; 6749 } 6750 } 6751 6752 if (sendAdded) { 6753 sendPackageAddedForUser(packageName, pkgSetting, userId); 6754 } 6755 } finally { 6756 Binder.restoreCallingIdentity(callingId); 6757 } 6758 6759 return PackageManager.INSTALL_SUCCEEDED; 6760 } 6761 6762 private boolean isUserRestricted(int userId, String restrictionKey) { 6763 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6764 if (restrictions.getBoolean(restrictionKey, false)) { 6765 Log.w(TAG, "User is restricted: " + restrictionKey); 6766 return true; 6767 } 6768 return false; 6769 } 6770 6771 @Override 6772 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6773 mContext.enforceCallingOrSelfPermission( 6774 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6775 "Only package verification agents can verify applications"); 6776 6777 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6778 final PackageVerificationResponse response = new PackageVerificationResponse( 6779 verificationCode, Binder.getCallingUid()); 6780 msg.arg1 = id; 6781 msg.obj = response; 6782 mHandler.sendMessage(msg); 6783 } 6784 6785 @Override 6786 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6787 long millisecondsToDelay) { 6788 mContext.enforceCallingOrSelfPermission( 6789 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6790 "Only package verification agents can extend verification timeouts"); 6791 6792 final PackageVerificationState state = mPendingVerification.get(id); 6793 final PackageVerificationResponse response = new PackageVerificationResponse( 6794 verificationCodeAtTimeout, Binder.getCallingUid()); 6795 6796 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 6797 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 6798 } 6799 if (millisecondsToDelay < 0) { 6800 millisecondsToDelay = 0; 6801 } 6802 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 6803 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 6804 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 6805 } 6806 6807 if ((state != null) && !state.timeoutExtended()) { 6808 state.extendTimeout(); 6809 6810 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6811 msg.arg1 = id; 6812 msg.obj = response; 6813 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 6814 } 6815 } 6816 6817 private void broadcastPackageVerified(int verificationId, Uri packageUri, 6818 int verificationCode, UserHandle user) { 6819 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 6820 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 6821 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6822 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 6823 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 6824 6825 mContext.sendBroadcastAsUser(intent, user, 6826 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 6827 } 6828 6829 private ComponentName matchComponentForVerifier(String packageName, 6830 List<ResolveInfo> receivers) { 6831 ActivityInfo targetReceiver = null; 6832 6833 final int NR = receivers.size(); 6834 for (int i = 0; i < NR; i++) { 6835 final ResolveInfo info = receivers.get(i); 6836 if (info.activityInfo == null) { 6837 continue; 6838 } 6839 6840 if (packageName.equals(info.activityInfo.packageName)) { 6841 targetReceiver = info.activityInfo; 6842 break; 6843 } 6844 } 6845 6846 if (targetReceiver == null) { 6847 return null; 6848 } 6849 6850 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 6851 } 6852 6853 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 6854 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 6855 if (pkgInfo.verifiers.length == 0) { 6856 return null; 6857 } 6858 6859 final int N = pkgInfo.verifiers.length; 6860 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 6861 for (int i = 0; i < N; i++) { 6862 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 6863 6864 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 6865 receivers); 6866 if (comp == null) { 6867 continue; 6868 } 6869 6870 final int verifierUid = getUidForVerifier(verifierInfo); 6871 if (verifierUid == -1) { 6872 continue; 6873 } 6874 6875 if (DEBUG_VERIFY) { 6876 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 6877 + " with the correct signature"); 6878 } 6879 sufficientVerifiers.add(comp); 6880 verificationState.addSufficientVerifier(verifierUid); 6881 } 6882 6883 return sufficientVerifiers; 6884 } 6885 6886 private int getUidForVerifier(VerifierInfo verifierInfo) { 6887 synchronized (mPackages) { 6888 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 6889 if (pkg == null) { 6890 return -1; 6891 } else if (pkg.mSignatures.length != 1) { 6892 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 6893 + " has more than one signature; ignoring"); 6894 return -1; 6895 } 6896 6897 /* 6898 * If the public key of the package's signature does not match 6899 * our expected public key, then this is a different package and 6900 * we should skip. 6901 */ 6902 6903 final byte[] expectedPublicKey; 6904 try { 6905 final Signature verifierSig = pkg.mSignatures[0]; 6906 final PublicKey publicKey = verifierSig.getPublicKey(); 6907 expectedPublicKey = publicKey.getEncoded(); 6908 } catch (CertificateException e) { 6909 return -1; 6910 } 6911 6912 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 6913 6914 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 6915 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 6916 + " does not have the expected public key; ignoring"); 6917 return -1; 6918 } 6919 6920 return pkg.applicationInfo.uid; 6921 } 6922 } 6923 6924 public void finishPackageInstall(int token) { 6925 enforceSystemOrRoot("Only the system is allowed to finish installs"); 6926 6927 if (DEBUG_INSTALL) { 6928 Slog.v(TAG, "BM finishing package install for " + token); 6929 } 6930 6931 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 6932 mHandler.sendMessage(msg); 6933 } 6934 6935 /** 6936 * Get the verification agent timeout. 6937 * 6938 * @return verification timeout in milliseconds 6939 */ 6940 private long getVerificationTimeout() { 6941 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 6942 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 6943 DEFAULT_VERIFICATION_TIMEOUT); 6944 } 6945 6946 /** 6947 * Get the default verification agent response code. 6948 * 6949 * @return default verification response code 6950 */ 6951 private int getDefaultVerificationResponse() { 6952 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6953 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 6954 DEFAULT_VERIFICATION_RESPONSE); 6955 } 6956 6957 /** 6958 * Check whether or not package verification has been enabled. 6959 * 6960 * @return true if verification should be performed 6961 */ 6962 private boolean isVerificationEnabled(int flags) { 6963 if (!DEFAULT_VERIFY_ENABLE) { 6964 return false; 6965 } 6966 6967 // Check if installing from ADB 6968 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 6969 // Do not run verification in a test harness environment 6970 if (ActivityManager.isRunningInTestHarness()) { 6971 return false; 6972 } 6973 // Check if the developer does not want package verification for ADB installs 6974 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6975 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 6976 return false; 6977 } 6978 } 6979 6980 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6981 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 6982 } 6983 6984 /** 6985 * Get the "allow unknown sources" setting. 6986 * 6987 * @return the current "allow unknown sources" setting 6988 */ 6989 private int getUnknownSourcesSettings() { 6990 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 6991 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 6992 -1); 6993 } 6994 6995 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 6996 final int uid = Binder.getCallingUid(); 6997 // writer 6998 synchronized (mPackages) { 6999 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7000 if (targetPackageSetting == null) { 7001 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7002 } 7003 7004 PackageSetting installerPackageSetting; 7005 if (installerPackageName != null) { 7006 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7007 if (installerPackageSetting == null) { 7008 throw new IllegalArgumentException("Unknown installer package: " 7009 + installerPackageName); 7010 } 7011 } else { 7012 installerPackageSetting = null; 7013 } 7014 7015 Signature[] callerSignature; 7016 Object obj = mSettings.getUserIdLPr(uid); 7017 if (obj != null) { 7018 if (obj instanceof SharedUserSetting) { 7019 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7020 } else if (obj instanceof PackageSetting) { 7021 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7022 } else { 7023 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7024 } 7025 } else { 7026 throw new SecurityException("Unknown calling uid " + uid); 7027 } 7028 7029 // Verify: can't set installerPackageName to a package that is 7030 // not signed with the same cert as the caller. 7031 if (installerPackageSetting != null) { 7032 if (compareSignatures(callerSignature, 7033 installerPackageSetting.signatures.mSignatures) 7034 != PackageManager.SIGNATURE_MATCH) { 7035 throw new SecurityException( 7036 "Caller does not have same cert as new installer package " 7037 + installerPackageName); 7038 } 7039 } 7040 7041 // Verify: if target already has an installer package, it must 7042 // be signed with the same cert as the caller. 7043 if (targetPackageSetting.installerPackageName != null) { 7044 PackageSetting setting = mSettings.mPackages.get( 7045 targetPackageSetting.installerPackageName); 7046 // If the currently set package isn't valid, then it's always 7047 // okay to change it. 7048 if (setting != null) { 7049 if (compareSignatures(callerSignature, 7050 setting.signatures.mSignatures) 7051 != PackageManager.SIGNATURE_MATCH) { 7052 throw new SecurityException( 7053 "Caller does not have same cert as old installer package " 7054 + targetPackageSetting.installerPackageName); 7055 } 7056 } 7057 } 7058 7059 // Okay! 7060 targetPackageSetting.installerPackageName = installerPackageName; 7061 scheduleWriteSettingsLocked(); 7062 } 7063 } 7064 7065 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7066 // Queue up an async operation since the package installation may take a little while. 7067 mHandler.post(new Runnable() { 7068 public void run() { 7069 mHandler.removeCallbacks(this); 7070 // Result object to be returned 7071 PackageInstalledInfo res = new PackageInstalledInfo(); 7072 res.returnCode = currentStatus; 7073 res.uid = -1; 7074 res.pkg = null; 7075 res.removedInfo = new PackageRemovedInfo(); 7076 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7077 args.doPreInstall(res.returnCode); 7078 synchronized (mInstallLock) { 7079 installPackageLI(args, true, res); 7080 } 7081 args.doPostInstall(res.returnCode, res.uid); 7082 } 7083 7084 // A restore should be performed at this point if (a) the install 7085 // succeeded, (b) the operation is not an update, and (c) the new 7086 // package has a backupAgent defined. 7087 final boolean update = res.removedInfo.removedPackage != null; 7088 boolean doRestore = (!update 7089 && res.pkg != null 7090 && res.pkg.applicationInfo.backupAgentName != null); 7091 7092 // Set up the post-install work request bookkeeping. This will be used 7093 // and cleaned up by the post-install event handling regardless of whether 7094 // there's a restore pass performed. Token values are >= 1. 7095 int token; 7096 if (mNextInstallToken < 0) mNextInstallToken = 1; 7097 token = mNextInstallToken++; 7098 7099 PostInstallData data = new PostInstallData(args, res); 7100 mRunningInstalls.put(token, data); 7101 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7102 7103 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7104 // Pass responsibility to the Backup Manager. It will perform a 7105 // restore if appropriate, then pass responsibility back to the 7106 // Package Manager to run the post-install observer callbacks 7107 // and broadcasts. 7108 IBackupManager bm = IBackupManager.Stub.asInterface( 7109 ServiceManager.getService(Context.BACKUP_SERVICE)); 7110 if (bm != null) { 7111 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7112 + " to BM for possible restore"); 7113 try { 7114 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7115 } catch (RemoteException e) { 7116 // can't happen; the backup manager is local 7117 } catch (Exception e) { 7118 Slog.e(TAG, "Exception trying to enqueue restore", e); 7119 doRestore = false; 7120 } 7121 } else { 7122 Slog.e(TAG, "Backup Manager not found!"); 7123 doRestore = false; 7124 } 7125 } 7126 7127 if (!doRestore) { 7128 // No restore possible, or the Backup Manager was mysteriously not 7129 // available -- just fire the post-install work request directly. 7130 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7131 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7132 mHandler.sendMessage(msg); 7133 } 7134 } 7135 }); 7136 } 7137 7138 private abstract class HandlerParams { 7139 private static final int MAX_RETRIES = 4; 7140 7141 /** 7142 * Number of times startCopy() has been attempted and had a non-fatal 7143 * error. 7144 */ 7145 private int mRetries = 0; 7146 7147 /** User handle for the user requesting the information or installation. */ 7148 private final UserHandle mUser; 7149 7150 HandlerParams(UserHandle user) { 7151 mUser = user; 7152 } 7153 7154 UserHandle getUser() { 7155 return mUser; 7156 } 7157 7158 final boolean startCopy() { 7159 boolean res; 7160 try { 7161 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7162 7163 if (++mRetries > MAX_RETRIES) { 7164 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7165 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7166 handleServiceError(); 7167 return false; 7168 } else { 7169 handleStartCopy(); 7170 res = true; 7171 } 7172 } catch (RemoteException e) { 7173 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7174 mHandler.sendEmptyMessage(MCS_RECONNECT); 7175 res = false; 7176 } 7177 handleReturnCode(); 7178 return res; 7179 } 7180 7181 final void serviceError() { 7182 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7183 handleServiceError(); 7184 handleReturnCode(); 7185 } 7186 7187 abstract void handleStartCopy() throws RemoteException; 7188 abstract void handleServiceError(); 7189 abstract void handleReturnCode(); 7190 } 7191 7192 class MeasureParams extends HandlerParams { 7193 private final PackageStats mStats; 7194 private boolean mSuccess; 7195 7196 private final IPackageStatsObserver mObserver; 7197 7198 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7199 super(new UserHandle(stats.userHandle)); 7200 mObserver = observer; 7201 mStats = stats; 7202 } 7203 7204 @Override 7205 public String toString() { 7206 return "MeasureParams{" 7207 + Integer.toHexString(System.identityHashCode(this)) 7208 + " " + mStats.packageName + "}"; 7209 } 7210 7211 @Override 7212 void handleStartCopy() throws RemoteException { 7213 synchronized (mInstallLock) { 7214 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7215 } 7216 7217 final boolean mounted; 7218 if (Environment.isExternalStorageEmulated()) { 7219 mounted = true; 7220 } else { 7221 final String status = Environment.getExternalStorageState(); 7222 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7223 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7224 } 7225 7226 if (mounted) { 7227 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7228 7229 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7230 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7231 7232 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7233 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7234 7235 // Always subtract cache size, since it's a subdirectory 7236 mStats.externalDataSize -= mStats.externalCacheSize; 7237 7238 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7239 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7240 7241 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7242 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7243 } 7244 } 7245 7246 @Override 7247 void handleReturnCode() { 7248 if (mObserver != null) { 7249 try { 7250 mObserver.onGetStatsCompleted(mStats, mSuccess); 7251 } catch (RemoteException e) { 7252 Slog.i(TAG, "Observer no longer exists."); 7253 } 7254 } 7255 } 7256 7257 @Override 7258 void handleServiceError() { 7259 Slog.e(TAG, "Could not measure application " + mStats.packageName 7260 + " external storage"); 7261 } 7262 } 7263 7264 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7265 throws RemoteException { 7266 long result = 0; 7267 for (File path : paths) { 7268 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7269 } 7270 return result; 7271 } 7272 7273 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7274 for (File path : paths) { 7275 try { 7276 mcs.clearDirectory(path.getAbsolutePath()); 7277 } catch (RemoteException e) { 7278 } 7279 } 7280 } 7281 7282 class InstallParams extends HandlerParams { 7283 final IPackageInstallObserver observer; 7284 int flags; 7285 7286 private final Uri mPackageURI; 7287 final String installerPackageName; 7288 final VerificationParams verificationParams; 7289 private InstallArgs mArgs; 7290 private int mRet; 7291 private File mTempPackage; 7292 final ContainerEncryptionParams encryptionParams; 7293 7294 InstallParams(Uri packageURI, 7295 IPackageInstallObserver observer, int flags, 7296 String installerPackageName, VerificationParams verificationParams, 7297 ContainerEncryptionParams encryptionParams, UserHandle user) { 7298 super(user); 7299 this.mPackageURI = packageURI; 7300 this.flags = flags; 7301 this.observer = observer; 7302 this.installerPackageName = installerPackageName; 7303 this.verificationParams = verificationParams; 7304 this.encryptionParams = encryptionParams; 7305 } 7306 7307 @Override 7308 public String toString() { 7309 return "InstallParams{" 7310 + Integer.toHexString(System.identityHashCode(this)) 7311 + " " + mPackageURI + "}"; 7312 } 7313 7314 public ManifestDigest getManifestDigest() { 7315 if (verificationParams == null) { 7316 return null; 7317 } 7318 return verificationParams.getManifestDigest(); 7319 } 7320 7321 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7322 String packageName = pkgLite.packageName; 7323 int installLocation = pkgLite.installLocation; 7324 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7325 // reader 7326 synchronized (mPackages) { 7327 PackageParser.Package pkg = mPackages.get(packageName); 7328 if (pkg != null) { 7329 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7330 // Check for downgrading. 7331 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7332 if (pkgLite.versionCode < pkg.mVersionCode) { 7333 Slog.w(TAG, "Can't install update of " + packageName 7334 + " update version " + pkgLite.versionCode 7335 + " is older than installed version " 7336 + pkg.mVersionCode); 7337 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7338 } 7339 } 7340 // Check for updated system application. 7341 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7342 if (onSd) { 7343 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7344 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7345 } 7346 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7347 } else { 7348 if (onSd) { 7349 // Install flag overrides everything. 7350 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7351 } 7352 // If current upgrade specifies particular preference 7353 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7354 // Application explicitly specified internal. 7355 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7356 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7357 // App explictly prefers external. Let policy decide 7358 } else { 7359 // Prefer previous location 7360 if (isExternal(pkg)) { 7361 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7362 } 7363 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7364 } 7365 } 7366 } else { 7367 // Invalid install. Return error code 7368 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7369 } 7370 } 7371 } 7372 // All the special cases have been taken care of. 7373 // Return result based on recommended install location. 7374 if (onSd) { 7375 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7376 } 7377 return pkgLite.recommendedInstallLocation; 7378 } 7379 7380 private long getMemoryLowThreshold() { 7381 final DeviceStorageMonitorInternal 7382 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7383 if (dsm == null) { 7384 return 0L; 7385 } 7386 return dsm.getMemoryLowThreshold(); 7387 } 7388 7389 /* 7390 * Invoke remote method to get package information and install 7391 * location values. Override install location based on default 7392 * policy if needed and then create install arguments based 7393 * on the install location. 7394 */ 7395 public void handleStartCopy() throws RemoteException { 7396 int ret = PackageManager.INSTALL_SUCCEEDED; 7397 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7398 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7399 PackageInfoLite pkgLite = null; 7400 7401 if (onInt && onSd) { 7402 // Check if both bits are set. 7403 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7404 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7405 } else { 7406 final long lowThreshold = getMemoryLowThreshold(); 7407 if (lowThreshold == 0L) { 7408 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7409 } 7410 7411 try { 7412 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7413 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7414 7415 final File packageFile; 7416 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7417 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7418 if (mTempPackage != null) { 7419 ParcelFileDescriptor out; 7420 try { 7421 out = ParcelFileDescriptor.open(mTempPackage, 7422 ParcelFileDescriptor.MODE_READ_WRITE); 7423 } catch (FileNotFoundException e) { 7424 out = null; 7425 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7426 } 7427 7428 // Make a temporary file for decryption. 7429 ret = mContainerService 7430 .copyResource(mPackageURI, encryptionParams, out); 7431 IoUtils.closeQuietly(out); 7432 7433 packageFile = mTempPackage; 7434 7435 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7436 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7437 | FileUtils.S_IROTH, 7438 -1, -1); 7439 } else { 7440 packageFile = null; 7441 } 7442 } else { 7443 packageFile = new File(mPackageURI.getPath()); 7444 } 7445 7446 if (packageFile != null) { 7447 // Remote call to find out default install location 7448 final String packageFilePath = packageFile.getAbsolutePath(); 7449 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7450 lowThreshold); 7451 7452 /* 7453 * If we have too little free space, try to free cache 7454 * before giving up. 7455 */ 7456 if (pkgLite.recommendedInstallLocation 7457 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7458 final long size = mContainerService.calculateInstalledSize( 7459 packageFilePath, isForwardLocked()); 7460 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7461 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7462 flags, lowThreshold); 7463 } 7464 /* 7465 * The cache free must have deleted the file we 7466 * downloaded to install. 7467 * 7468 * TODO: fix the "freeCache" call to not delete 7469 * the file we care about. 7470 */ 7471 if (pkgLite.recommendedInstallLocation 7472 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7473 pkgLite.recommendedInstallLocation 7474 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7475 } 7476 } 7477 } 7478 } finally { 7479 mContext.revokeUriPermission(mPackageURI, 7480 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7481 } 7482 } 7483 7484 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7485 int loc = pkgLite.recommendedInstallLocation; 7486 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7487 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7488 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7489 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7490 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7491 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7492 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7493 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7494 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7495 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7496 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7497 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7498 } else { 7499 // Override with defaults if needed. 7500 loc = installLocationPolicy(pkgLite, flags); 7501 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7502 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7503 } else if (!onSd && !onInt) { 7504 // Override install location with flags 7505 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7506 // Set the flag to install on external media. 7507 flags |= PackageManager.INSTALL_EXTERNAL; 7508 flags &= ~PackageManager.INSTALL_INTERNAL; 7509 } else { 7510 // Make sure the flag for installing on external 7511 // media is unset 7512 flags |= PackageManager.INSTALL_INTERNAL; 7513 flags &= ~PackageManager.INSTALL_EXTERNAL; 7514 } 7515 } 7516 } 7517 } 7518 7519 final InstallArgs args = createInstallArgs(this); 7520 mArgs = args; 7521 7522 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7523 /* 7524 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7525 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7526 */ 7527 int userIdentifier = getUser().getIdentifier(); 7528 if (userIdentifier == UserHandle.USER_ALL 7529 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7530 userIdentifier = UserHandle.USER_OWNER; 7531 } 7532 7533 /* 7534 * Determine if we have any installed package verifiers. If we 7535 * do, then we'll defer to them to verify the packages. 7536 */ 7537 final int requiredUid = mRequiredVerifierPackage == null ? -1 7538 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7539 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7540 final Intent verification = new Intent( 7541 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7542 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7543 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7544 7545 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7546 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7547 0 /* TODO: Which userId? */); 7548 7549 if (DEBUG_VERIFY) { 7550 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7551 + verification.toString() + " with " + pkgLite.verifiers.length 7552 + " optional verifiers"); 7553 } 7554 7555 final int verificationId = mPendingVerificationToken++; 7556 7557 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7558 7559 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7560 installerPackageName); 7561 7562 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7563 7564 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7565 pkgLite.packageName); 7566 7567 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7568 pkgLite.versionCode); 7569 7570 if (verificationParams != null) { 7571 if (verificationParams.getVerificationURI() != null) { 7572 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7573 verificationParams.getVerificationURI()); 7574 } 7575 if (verificationParams.getOriginatingURI() != null) { 7576 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7577 verificationParams.getOriginatingURI()); 7578 } 7579 if (verificationParams.getReferrer() != null) { 7580 verification.putExtra(Intent.EXTRA_REFERRER, 7581 verificationParams.getReferrer()); 7582 } 7583 if (verificationParams.getOriginatingUid() >= 0) { 7584 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7585 verificationParams.getOriginatingUid()); 7586 } 7587 if (verificationParams.getInstallerUid() >= 0) { 7588 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7589 verificationParams.getInstallerUid()); 7590 } 7591 } 7592 7593 final PackageVerificationState verificationState = new PackageVerificationState( 7594 requiredUid, args); 7595 7596 mPendingVerification.append(verificationId, verificationState); 7597 7598 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7599 receivers, verificationState); 7600 7601 /* 7602 * If any sufficient verifiers were listed in the package 7603 * manifest, attempt to ask them. 7604 */ 7605 if (sufficientVerifiers != null) { 7606 final int N = sufficientVerifiers.size(); 7607 if (N == 0) { 7608 Slog.i(TAG, "Additional verifiers required, but none installed."); 7609 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7610 } else { 7611 for (int i = 0; i < N; i++) { 7612 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7613 7614 final Intent sufficientIntent = new Intent(verification); 7615 sufficientIntent.setComponent(verifierComponent); 7616 7617 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7618 } 7619 } 7620 } 7621 7622 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7623 mRequiredVerifierPackage, receivers); 7624 if (ret == PackageManager.INSTALL_SUCCEEDED 7625 && mRequiredVerifierPackage != null) { 7626 /* 7627 * Send the intent to the required verification agent, 7628 * but only start the verification timeout after the 7629 * target BroadcastReceivers have run. 7630 */ 7631 verification.setComponent(requiredVerifierComponent); 7632 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7633 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7634 new BroadcastReceiver() { 7635 @Override 7636 public void onReceive(Context context, Intent intent) { 7637 final Message msg = mHandler 7638 .obtainMessage(CHECK_PENDING_VERIFICATION); 7639 msg.arg1 = verificationId; 7640 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7641 } 7642 }, null, 0, null, null); 7643 7644 /* 7645 * We don't want the copy to proceed until verification 7646 * succeeds, so null out this field. 7647 */ 7648 mArgs = null; 7649 } 7650 } else { 7651 /* 7652 * No package verification is enabled, so immediately start 7653 * the remote call to initiate copy using temporary file. 7654 */ 7655 ret = args.copyApk(mContainerService, true); 7656 } 7657 } 7658 7659 mRet = ret; 7660 } 7661 7662 @Override 7663 void handleReturnCode() { 7664 // If mArgs is null, then MCS couldn't be reached. When it 7665 // reconnects, it will try again to install. At that point, this 7666 // will succeed. 7667 if (mArgs != null) { 7668 processPendingInstall(mArgs, mRet); 7669 7670 if (mTempPackage != null) { 7671 if (!mTempPackage.delete()) { 7672 Slog.w(TAG, "Couldn't delete temporary file: " + 7673 mTempPackage.getAbsolutePath()); 7674 } 7675 } 7676 } 7677 } 7678 7679 @Override 7680 void handleServiceError() { 7681 mArgs = createInstallArgs(this); 7682 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7683 } 7684 7685 public boolean isForwardLocked() { 7686 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7687 } 7688 7689 public Uri getPackageUri() { 7690 if (mTempPackage != null) { 7691 return Uri.fromFile(mTempPackage); 7692 } else { 7693 return mPackageURI; 7694 } 7695 } 7696 } 7697 7698 /* 7699 * Utility class used in movePackage api. 7700 * srcArgs and targetArgs are not set for invalid flags and make 7701 * sure to do null checks when invoking methods on them. 7702 * We probably want to return ErrorPrams for both failed installs 7703 * and moves. 7704 */ 7705 class MoveParams extends HandlerParams { 7706 final IPackageMoveObserver observer; 7707 final int flags; 7708 final String packageName; 7709 final InstallArgs srcArgs; 7710 final InstallArgs targetArgs; 7711 int uid; 7712 int mRet; 7713 7714 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7715 String packageName, String dataDir, int uid, UserHandle user) { 7716 super(user); 7717 this.srcArgs = srcArgs; 7718 this.observer = observer; 7719 this.flags = flags; 7720 this.packageName = packageName; 7721 this.uid = uid; 7722 if (srcArgs != null) { 7723 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7724 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7725 } else { 7726 targetArgs = null; 7727 } 7728 } 7729 7730 @Override 7731 public String toString() { 7732 return "MoveParams{" 7733 + Integer.toHexString(System.identityHashCode(this)) 7734 + " " + packageName + "}"; 7735 } 7736 7737 public void handleStartCopy() throws RemoteException { 7738 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7739 // Check for storage space on target medium 7740 if (!targetArgs.checkFreeStorage(mContainerService)) { 7741 Log.w(TAG, "Insufficient storage to install"); 7742 return; 7743 } 7744 7745 mRet = srcArgs.doPreCopy(); 7746 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7747 return; 7748 } 7749 7750 mRet = targetArgs.copyApk(mContainerService, false); 7751 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7752 srcArgs.doPostCopy(uid); 7753 return; 7754 } 7755 7756 mRet = srcArgs.doPostCopy(uid); 7757 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7758 return; 7759 } 7760 7761 mRet = targetArgs.doPreInstall(mRet); 7762 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7763 return; 7764 } 7765 7766 if (DEBUG_SD_INSTALL) { 7767 StringBuilder builder = new StringBuilder(); 7768 if (srcArgs != null) { 7769 builder.append("src: "); 7770 builder.append(srcArgs.getCodePath()); 7771 } 7772 if (targetArgs != null) { 7773 builder.append(" target : "); 7774 builder.append(targetArgs.getCodePath()); 7775 } 7776 Log.i(TAG, builder.toString()); 7777 } 7778 } 7779 7780 @Override 7781 void handleReturnCode() { 7782 targetArgs.doPostInstall(mRet, uid); 7783 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7784 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7785 currentStatus = PackageManager.MOVE_SUCCEEDED; 7786 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7787 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7788 } 7789 processPendingMove(this, currentStatus); 7790 } 7791 7792 @Override 7793 void handleServiceError() { 7794 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7795 } 7796 } 7797 7798 /** 7799 * Used during creation of InstallArgs 7800 * 7801 * @param flags package installation flags 7802 * @return true if should be installed on external storage 7803 */ 7804 private static boolean installOnSd(int flags) { 7805 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 7806 return false; 7807 } 7808 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 7809 return true; 7810 } 7811 return false; 7812 } 7813 7814 /** 7815 * Used during creation of InstallArgs 7816 * 7817 * @param flags package installation flags 7818 * @return true if should be installed as forward locked 7819 */ 7820 private static boolean installForwardLocked(int flags) { 7821 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7822 } 7823 7824 private InstallArgs createInstallArgs(InstallParams params) { 7825 if (installOnSd(params.flags) || params.isForwardLocked()) { 7826 return new AsecInstallArgs(params); 7827 } else { 7828 return new FileInstallArgs(params); 7829 } 7830 } 7831 7832 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 7833 String nativeLibraryPath) { 7834 final boolean isInAsec; 7835 if (installOnSd(flags)) { 7836 /* Apps on SD card are always in ASEC containers. */ 7837 isInAsec = true; 7838 } else if (installForwardLocked(flags) 7839 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 7840 /* 7841 * Forward-locked apps are only in ASEC containers if they're the 7842 * new style 7843 */ 7844 isInAsec = true; 7845 } else { 7846 isInAsec = false; 7847 } 7848 7849 if (isInAsec) { 7850 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 7851 installOnSd(flags), installForwardLocked(flags)); 7852 } else { 7853 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 7854 } 7855 } 7856 7857 // Used by package mover 7858 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 7859 if (installOnSd(flags) || installForwardLocked(flags)) { 7860 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 7861 + AsecInstallArgs.RES_FILE_NAME); 7862 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 7863 installForwardLocked(flags)); 7864 } else { 7865 return new FileInstallArgs(packageURI, pkgName, dataDir); 7866 } 7867 } 7868 7869 static abstract class InstallArgs { 7870 final IPackageInstallObserver observer; 7871 // Always refers to PackageManager flags only 7872 final int flags; 7873 final Uri packageURI; 7874 final String installerPackageName; 7875 final ManifestDigest manifestDigest; 7876 final UserHandle user; 7877 7878 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 7879 String installerPackageName, ManifestDigest manifestDigest, 7880 UserHandle user) { 7881 this.packageURI = packageURI; 7882 this.flags = flags; 7883 this.observer = observer; 7884 this.installerPackageName = installerPackageName; 7885 this.manifestDigest = manifestDigest; 7886 this.user = user; 7887 } 7888 7889 abstract void createCopyFile(); 7890 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 7891 abstract int doPreInstall(int status); 7892 abstract boolean doRename(int status, String pkgName, String oldCodePath); 7893 7894 abstract int doPostInstall(int status, int uid); 7895 abstract String getCodePath(); 7896 abstract String getResourcePath(); 7897 abstract String getNativeLibraryPath(); 7898 // Need installer lock especially for dex file removal. 7899 abstract void cleanUpResourcesLI(); 7900 abstract boolean doPostDeleteLI(boolean delete); 7901 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 7902 7903 /** 7904 * Called before the source arguments are copied. This is used mostly 7905 * for MoveParams when it needs to read the source file to put it in the 7906 * destination. 7907 */ 7908 int doPreCopy() { 7909 return PackageManager.INSTALL_SUCCEEDED; 7910 } 7911 7912 /** 7913 * Called after the source arguments are copied. This is used mostly for 7914 * MoveParams when it needs to read the source file to put it in the 7915 * destination. 7916 * 7917 * @return 7918 */ 7919 int doPostCopy(int uid) { 7920 return PackageManager.INSTALL_SUCCEEDED; 7921 } 7922 7923 protected boolean isFwdLocked() { 7924 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7925 } 7926 7927 UserHandle getUser() { 7928 return user; 7929 } 7930 } 7931 7932 class FileInstallArgs extends InstallArgs { 7933 File installDir; 7934 String codeFileName; 7935 String resourceFileName; 7936 String libraryPath; 7937 boolean created = false; 7938 7939 FileInstallArgs(InstallParams params) { 7940 super(params.getPackageUri(), params.observer, params.flags, 7941 params.installerPackageName, params.getManifestDigest(), 7942 params.getUser()); 7943 } 7944 7945 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 7946 super(null, null, 0, null, null, null); 7947 File codeFile = new File(fullCodePath); 7948 installDir = codeFile.getParentFile(); 7949 codeFileName = fullCodePath; 7950 resourceFileName = fullResourcePath; 7951 libraryPath = nativeLibraryPath; 7952 } 7953 7954 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 7955 super(packageURI, null, 0, null, null, null); 7956 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 7957 String apkName = getNextCodePath(null, pkgName, ".apk"); 7958 codeFileName = new File(installDir, apkName + ".apk").getPath(); 7959 resourceFileName = getResourcePathFromCodePath(); 7960 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 7961 } 7962 7963 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 7964 final long lowThreshold; 7965 7966 final DeviceStorageMonitorInternal 7967 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7968 if (dsm == null) { 7969 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7970 lowThreshold = 0L; 7971 } else { 7972 if (dsm.isMemoryLow()) { 7973 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 7974 return false; 7975 } 7976 7977 lowThreshold = dsm.getMemoryLowThreshold(); 7978 } 7979 7980 try { 7981 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 7982 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7983 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 7984 } finally { 7985 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 7986 } 7987 } 7988 7989 String getCodePath() { 7990 return codeFileName; 7991 } 7992 7993 void createCopyFile() { 7994 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 7995 codeFileName = createTempPackageFile(installDir).getPath(); 7996 resourceFileName = getResourcePathFromCodePath(); 7997 libraryPath = getLibraryPathFromCodePath(); 7998 created = true; 7999 } 8000 8001 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8002 if (temp) { 8003 // Generate temp file name 8004 createCopyFile(); 8005 } 8006 // Get a ParcelFileDescriptor to write to the output file 8007 File codeFile = new File(codeFileName); 8008 if (!created) { 8009 try { 8010 codeFile.createNewFile(); 8011 // Set permissions 8012 if (!setPermissions()) { 8013 // Failed setting permissions. 8014 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8015 } 8016 } catch (IOException e) { 8017 Slog.w(TAG, "Failed to create file " + codeFile); 8018 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8019 } 8020 } 8021 ParcelFileDescriptor out = null; 8022 try { 8023 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8024 } catch (FileNotFoundException e) { 8025 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8026 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8027 } 8028 // Copy the resource now 8029 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8030 try { 8031 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8032 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8033 ret = imcs.copyResource(packageURI, null, out); 8034 } finally { 8035 IoUtils.closeQuietly(out); 8036 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8037 } 8038 8039 if (isFwdLocked()) { 8040 final File destResourceFile = new File(getResourcePath()); 8041 8042 // Copy the public files 8043 try { 8044 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8045 } catch (IOException e) { 8046 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8047 + " forward-locked app."); 8048 destResourceFile.delete(); 8049 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8050 } 8051 } 8052 8053 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8054 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8055 if (nativeLibraryFile.exists()) { 8056 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8057 nativeLibraryFile.delete(); 8058 } 8059 try { 8060 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8061 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 8062 return copyRet; 8063 } 8064 } catch (IOException e) { 8065 Slog.e(TAG, "Copying native libraries failed", e); 8066 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8067 } 8068 8069 return ret; 8070 } 8071 8072 int doPreInstall(int status) { 8073 if (status != PackageManager.INSTALL_SUCCEEDED) { 8074 cleanUp(); 8075 } 8076 return status; 8077 } 8078 8079 boolean doRename(int status, final String pkgName, String oldCodePath) { 8080 if (status != PackageManager.INSTALL_SUCCEEDED) { 8081 cleanUp(); 8082 return false; 8083 } else { 8084 final File oldCodeFile = new File(getCodePath()); 8085 final File oldResourceFile = new File(getResourcePath()); 8086 final File oldLibraryFile = new File(getNativeLibraryPath()); 8087 8088 // Rename APK file based on packageName 8089 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8090 final File newCodeFile = new File(installDir, apkName + ".apk"); 8091 if (!oldCodeFile.renameTo(newCodeFile)) { 8092 return false; 8093 } 8094 codeFileName = newCodeFile.getPath(); 8095 8096 // Rename public resource file if it's forward-locked. 8097 final File newResFile = new File(getResourcePathFromCodePath()); 8098 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8099 return false; 8100 } 8101 resourceFileName = newResFile.getPath(); 8102 8103 // Rename library path 8104 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8105 if (newLibraryFile.exists()) { 8106 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8107 newLibraryFile.delete(); 8108 } 8109 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8110 Slog.e(TAG, "Cannot rename native library directory " 8111 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8112 return false; 8113 } 8114 libraryPath = newLibraryFile.getPath(); 8115 8116 // Attempt to set permissions 8117 if (!setPermissions()) { 8118 return false; 8119 } 8120 8121 if (!SELinux.restorecon(newCodeFile)) { 8122 return false; 8123 } 8124 8125 return true; 8126 } 8127 } 8128 8129 int doPostInstall(int status, int uid) { 8130 if (status != PackageManager.INSTALL_SUCCEEDED) { 8131 cleanUp(); 8132 } 8133 return status; 8134 } 8135 8136 String getResourcePath() { 8137 return resourceFileName; 8138 } 8139 8140 private String getResourcePathFromCodePath() { 8141 final String codePath = getCodePath(); 8142 if (isFwdLocked()) { 8143 final StringBuilder sb = new StringBuilder(); 8144 8145 sb.append(mAppInstallDir.getPath()); 8146 sb.append('/'); 8147 sb.append(getApkName(codePath)); 8148 sb.append(".zip"); 8149 8150 /* 8151 * If our APK is a temporary file, mark the resource as a 8152 * temporary file as well so it can be cleaned up after 8153 * catastrophic failure. 8154 */ 8155 if (codePath.endsWith(".tmp")) { 8156 sb.append(".tmp"); 8157 } 8158 8159 return sb.toString(); 8160 } else { 8161 return codePath; 8162 } 8163 } 8164 8165 private String getLibraryPathFromCodePath() { 8166 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8167 } 8168 8169 @Override 8170 String getNativeLibraryPath() { 8171 if (libraryPath == null) { 8172 libraryPath = getLibraryPathFromCodePath(); 8173 } 8174 return libraryPath; 8175 } 8176 8177 private boolean cleanUp() { 8178 boolean ret = true; 8179 String sourceDir = getCodePath(); 8180 String publicSourceDir = getResourcePath(); 8181 if (sourceDir != null) { 8182 File sourceFile = new File(sourceDir); 8183 if (!sourceFile.exists()) { 8184 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8185 ret = false; 8186 } 8187 // Delete application's code and resources 8188 sourceFile.delete(); 8189 } 8190 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8191 final File publicSourceFile = new File(publicSourceDir); 8192 if (!publicSourceFile.exists()) { 8193 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8194 } 8195 if (publicSourceFile.exists()) { 8196 publicSourceFile.delete(); 8197 } 8198 } 8199 8200 if (libraryPath != null) { 8201 File nativeLibraryFile = new File(libraryPath); 8202 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8203 if (!nativeLibraryFile.delete()) { 8204 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8205 } 8206 } 8207 8208 return ret; 8209 } 8210 8211 void cleanUpResourcesLI() { 8212 String sourceDir = getCodePath(); 8213 if (cleanUp()) { 8214 int retCode = mInstaller.rmdex(sourceDir); 8215 if (retCode < 0) { 8216 Slog.w(TAG, "Couldn't remove dex file for package: " 8217 + " at location " 8218 + sourceDir + ", retcode=" + retCode); 8219 // we don't consider this to be a failure of the core package deletion 8220 } 8221 } 8222 } 8223 8224 private boolean setPermissions() { 8225 // TODO Do this in a more elegant way later on. for now just a hack 8226 if (!isFwdLocked()) { 8227 final int filePermissions = 8228 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8229 |FileUtils.S_IROTH; 8230 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8231 if (retCode != 0) { 8232 Slog.e(TAG, "Couldn't set new package file permissions for " + 8233 getCodePath() 8234 + ". The return code was: " + retCode); 8235 // TODO Define new internal error 8236 return false; 8237 } 8238 return true; 8239 } 8240 return true; 8241 } 8242 8243 boolean doPostDeleteLI(boolean delete) { 8244 // XXX err, shouldn't we respect the delete flag? 8245 cleanUpResourcesLI(); 8246 return true; 8247 } 8248 } 8249 8250 private boolean isAsecExternal(String cid) { 8251 final String asecPath = PackageHelper.getSdFilesystem(cid); 8252 return !asecPath.startsWith(mAsecInternalPath); 8253 } 8254 8255 /** 8256 * Extract the MountService "container ID" from the full code path of an 8257 * .apk. 8258 */ 8259 static String cidFromCodePath(String fullCodePath) { 8260 int eidx = fullCodePath.lastIndexOf("/"); 8261 String subStr1 = fullCodePath.substring(0, eidx); 8262 int sidx = subStr1.lastIndexOf("/"); 8263 return subStr1.substring(sidx+1, eidx); 8264 } 8265 8266 class AsecInstallArgs extends InstallArgs { 8267 static final String RES_FILE_NAME = "pkg.apk"; 8268 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8269 8270 String cid; 8271 String packagePath; 8272 String resourcePath; 8273 String libraryPath; 8274 8275 AsecInstallArgs(InstallParams params) { 8276 super(params.getPackageUri(), params.observer, params.flags, 8277 params.installerPackageName, params.getManifestDigest(), 8278 params.getUser()); 8279 } 8280 8281 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8282 boolean isExternal, boolean isForwardLocked) { 8283 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8284 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8285 null, null, null); 8286 // Extract cid from fullCodePath 8287 int eidx = fullCodePath.lastIndexOf("/"); 8288 String subStr1 = fullCodePath.substring(0, eidx); 8289 int sidx = subStr1.lastIndexOf("/"); 8290 cid = subStr1.substring(sidx+1, eidx); 8291 setCachePath(subStr1); 8292 } 8293 8294 AsecInstallArgs(String cid, boolean isForwardLocked) { 8295 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8296 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8297 null, null, null); 8298 this.cid = cid; 8299 setCachePath(PackageHelper.getSdDir(cid)); 8300 } 8301 8302 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8303 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8304 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8305 null, null, null); 8306 this.cid = cid; 8307 } 8308 8309 void createCopyFile() { 8310 cid = getTempContainerId(); 8311 } 8312 8313 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8314 try { 8315 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8316 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8317 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8318 } finally { 8319 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8320 } 8321 } 8322 8323 private final boolean isExternal() { 8324 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8325 } 8326 8327 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8328 if (temp) { 8329 createCopyFile(); 8330 } else { 8331 /* 8332 * Pre-emptively destroy the container since it's destroyed if 8333 * copying fails due to it existing anyway. 8334 */ 8335 PackageHelper.destroySdDir(cid); 8336 } 8337 8338 final String newCachePath; 8339 try { 8340 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8341 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8342 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8343 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8344 } finally { 8345 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8346 } 8347 8348 if (newCachePath != null) { 8349 setCachePath(newCachePath); 8350 return PackageManager.INSTALL_SUCCEEDED; 8351 } else { 8352 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8353 } 8354 } 8355 8356 @Override 8357 String getCodePath() { 8358 return packagePath; 8359 } 8360 8361 @Override 8362 String getResourcePath() { 8363 return resourcePath; 8364 } 8365 8366 @Override 8367 String getNativeLibraryPath() { 8368 return libraryPath; 8369 } 8370 8371 int doPreInstall(int status) { 8372 if (status != PackageManager.INSTALL_SUCCEEDED) { 8373 // Destroy container 8374 PackageHelper.destroySdDir(cid); 8375 } else { 8376 boolean mounted = PackageHelper.isContainerMounted(cid); 8377 if (!mounted) { 8378 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8379 Process.SYSTEM_UID); 8380 if (newCachePath != null) { 8381 setCachePath(newCachePath); 8382 } else { 8383 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8384 } 8385 } 8386 } 8387 return status; 8388 } 8389 8390 boolean doRename(int status, final String pkgName, 8391 String oldCodePath) { 8392 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8393 String newCachePath = null; 8394 if (PackageHelper.isContainerMounted(cid)) { 8395 // Unmount the container 8396 if (!PackageHelper.unMountSdDir(cid)) { 8397 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8398 return false; 8399 } 8400 } 8401 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8402 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8403 " which might be stale. Will try to clean up."); 8404 // Clean up the stale container and proceed to recreate. 8405 if (!PackageHelper.destroySdDir(newCacheId)) { 8406 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8407 return false; 8408 } 8409 // Successfully cleaned up stale container. Try to rename again. 8410 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8411 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8412 + " inspite of cleaning it up."); 8413 return false; 8414 } 8415 } 8416 if (!PackageHelper.isContainerMounted(newCacheId)) { 8417 Slog.w(TAG, "Mounting container " + newCacheId); 8418 newCachePath = PackageHelper.mountSdDir(newCacheId, 8419 getEncryptKey(), Process.SYSTEM_UID); 8420 } else { 8421 newCachePath = PackageHelper.getSdDir(newCacheId); 8422 } 8423 if (newCachePath == null) { 8424 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8425 return false; 8426 } 8427 Log.i(TAG, "Succesfully renamed " + cid + 8428 " to " + newCacheId + 8429 " at new path: " + newCachePath); 8430 cid = newCacheId; 8431 setCachePath(newCachePath); 8432 return true; 8433 } 8434 8435 private void setCachePath(String newCachePath) { 8436 File cachePath = new File(newCachePath); 8437 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8438 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8439 8440 if (isFwdLocked()) { 8441 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8442 } else { 8443 resourcePath = packagePath; 8444 } 8445 } 8446 8447 int doPostInstall(int status, int uid) { 8448 if (status != PackageManager.INSTALL_SUCCEEDED) { 8449 cleanUp(); 8450 } else { 8451 final int groupOwner; 8452 final String protectedFile; 8453 if (isFwdLocked()) { 8454 groupOwner = UserHandle.getSharedAppGid(uid); 8455 protectedFile = RES_FILE_NAME; 8456 } else { 8457 groupOwner = -1; 8458 protectedFile = null; 8459 } 8460 8461 if (uid < Process.FIRST_APPLICATION_UID 8462 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8463 Slog.e(TAG, "Failed to finalize " + cid); 8464 PackageHelper.destroySdDir(cid); 8465 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8466 } 8467 8468 boolean mounted = PackageHelper.isContainerMounted(cid); 8469 if (!mounted) { 8470 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8471 } 8472 } 8473 return status; 8474 } 8475 8476 private void cleanUp() { 8477 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8478 8479 // Destroy secure container 8480 PackageHelper.destroySdDir(cid); 8481 } 8482 8483 void cleanUpResourcesLI() { 8484 String sourceFile = getCodePath(); 8485 // Remove dex file 8486 int retCode = mInstaller.rmdex(sourceFile); 8487 if (retCode < 0) { 8488 Slog.w(TAG, "Couldn't remove dex file for package: " 8489 + " at location " 8490 + sourceFile.toString() + ", retcode=" + retCode); 8491 // we don't consider this to be a failure of the core package deletion 8492 } 8493 cleanUp(); 8494 } 8495 8496 boolean matchContainer(String app) { 8497 if (cid.startsWith(app)) { 8498 return true; 8499 } 8500 return false; 8501 } 8502 8503 String getPackageName() { 8504 return getAsecPackageName(cid); 8505 } 8506 8507 boolean doPostDeleteLI(boolean delete) { 8508 boolean ret = false; 8509 boolean mounted = PackageHelper.isContainerMounted(cid); 8510 if (mounted) { 8511 // Unmount first 8512 ret = PackageHelper.unMountSdDir(cid); 8513 } 8514 if (ret && delete) { 8515 cleanUpResourcesLI(); 8516 } 8517 return ret; 8518 } 8519 8520 @Override 8521 int doPreCopy() { 8522 if (isFwdLocked()) { 8523 if (!PackageHelper.fixSdPermissions(cid, 8524 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8525 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8526 } 8527 } 8528 8529 return PackageManager.INSTALL_SUCCEEDED; 8530 } 8531 8532 @Override 8533 int doPostCopy(int uid) { 8534 if (isFwdLocked()) { 8535 if (uid < Process.FIRST_APPLICATION_UID 8536 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8537 RES_FILE_NAME)) { 8538 Slog.e(TAG, "Failed to finalize " + cid); 8539 PackageHelper.destroySdDir(cid); 8540 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8541 } 8542 } 8543 8544 return PackageManager.INSTALL_SUCCEEDED; 8545 } 8546 }; 8547 8548 static String getAsecPackageName(String packageCid) { 8549 int idx = packageCid.lastIndexOf("-"); 8550 if (idx == -1) { 8551 return packageCid; 8552 } 8553 return packageCid.substring(0, idx); 8554 } 8555 8556 // Utility method used to create code paths based on package name and available index. 8557 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8558 String idxStr = ""; 8559 int idx = 1; 8560 // Fall back to default value of idx=1 if prefix is not 8561 // part of oldCodePath 8562 if (oldCodePath != null) { 8563 String subStr = oldCodePath; 8564 // Drop the suffix right away 8565 if (subStr.endsWith(suffix)) { 8566 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8567 } 8568 // If oldCodePath already contains prefix find out the 8569 // ending index to either increment or decrement. 8570 int sidx = subStr.lastIndexOf(prefix); 8571 if (sidx != -1) { 8572 subStr = subStr.substring(sidx + prefix.length()); 8573 if (subStr != null) { 8574 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8575 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8576 } 8577 try { 8578 idx = Integer.parseInt(subStr); 8579 if (idx <= 1) { 8580 idx++; 8581 } else { 8582 idx--; 8583 } 8584 } catch(NumberFormatException e) { 8585 } 8586 } 8587 } 8588 } 8589 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8590 return prefix + idxStr; 8591 } 8592 8593 // Utility method used to ignore ADD/REMOVE events 8594 // by directory observer. 8595 private static boolean ignoreCodePath(String fullPathStr) { 8596 String apkName = getApkName(fullPathStr); 8597 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8598 if (idx != -1 && ((idx+1) < apkName.length())) { 8599 // Make sure the package ends with a numeral 8600 String version = apkName.substring(idx+1); 8601 try { 8602 Integer.parseInt(version); 8603 return true; 8604 } catch (NumberFormatException e) {} 8605 } 8606 return false; 8607 } 8608 8609 // Utility method that returns the relative package path with respect 8610 // to the installation directory. Like say for /data/data/com.test-1.apk 8611 // string com.test-1 is returned. 8612 static String getApkName(String codePath) { 8613 if (codePath == null) { 8614 return null; 8615 } 8616 int sidx = codePath.lastIndexOf("/"); 8617 int eidx = codePath.lastIndexOf("."); 8618 if (eidx == -1) { 8619 eidx = codePath.length(); 8620 } else if (eidx == 0) { 8621 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8622 return null; 8623 } 8624 return codePath.substring(sidx+1, eidx); 8625 } 8626 8627 class PackageInstalledInfo { 8628 String name; 8629 int uid; 8630 // The set of users that originally had this package installed. 8631 int[] origUsers; 8632 // The set of users that now have this package installed. 8633 int[] newUsers; 8634 PackageParser.Package pkg; 8635 int returnCode; 8636 PackageRemovedInfo removedInfo; 8637 } 8638 8639 /* 8640 * Install a non-existing package. 8641 */ 8642 private void installNewPackageLI(PackageParser.Package pkg, 8643 int parseFlags, int scanMode, UserHandle user, 8644 String installerPackageName, PackageInstalledInfo res) { 8645 // Remember this for later, in case we need to rollback this install 8646 String pkgName = pkg.packageName; 8647 8648 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8649 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8650 synchronized(mPackages) { 8651 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8652 // A package with the same name is already installed, though 8653 // it has been renamed to an older name. The package we 8654 // are trying to install should be installed as an update to 8655 // the existing one, but that has not been requested, so bail. 8656 Slog.w(TAG, "Attempt to re-install " + pkgName 8657 + " without first uninstalling package running as " 8658 + mSettings.mRenamedPackages.get(pkgName)); 8659 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8660 return; 8661 } 8662 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8663 // Don't allow installation over an existing package with the same name. 8664 Slog.w(TAG, "Attempt to re-install " + pkgName 8665 + " without first uninstalling."); 8666 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8667 return; 8668 } 8669 } 8670 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8671 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8672 System.currentTimeMillis(), user); 8673 if (newPackage == null) { 8674 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8675 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8676 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8677 } 8678 } else { 8679 updateSettingsLI(newPackage, 8680 installerPackageName, 8681 null, null, 8682 res); 8683 // delete the partially installed application. the data directory will have to be 8684 // restored if it was already existing 8685 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8686 // remove package from internal structures. Note that we want deletePackageX to 8687 // delete the package data and cache directories that it created in 8688 // scanPackageLocked, unless those directories existed before we even tried to 8689 // install. 8690 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8691 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8692 res.removedInfo, true); 8693 } 8694 } 8695 } 8696 8697 private void replacePackageLI(PackageParser.Package pkg, 8698 int parseFlags, int scanMode, UserHandle user, 8699 String installerPackageName, PackageInstalledInfo res) { 8700 8701 PackageParser.Package oldPackage; 8702 String pkgName = pkg.packageName; 8703 int[] allUsers; 8704 boolean[] perUserInstalled; 8705 8706 // First find the old package info and check signatures 8707 synchronized(mPackages) { 8708 oldPackage = mPackages.get(pkgName); 8709 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8710 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8711 != PackageManager.SIGNATURE_MATCH) { 8712 Slog.w(TAG, "New package has a different signature: " + pkgName); 8713 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8714 return; 8715 } 8716 8717 // In case of rollback, remember per-user/profile install state 8718 PackageSetting ps = mSettings.mPackages.get(pkgName); 8719 allUsers = sUserManager.getUserIds(); 8720 perUserInstalled = new boolean[allUsers.length]; 8721 for (int i = 0; i < allUsers.length; i++) { 8722 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8723 } 8724 } 8725 boolean sysPkg = (isSystemApp(oldPackage)); 8726 if (sysPkg) { 8727 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8728 user, allUsers, perUserInstalled, installerPackageName, res); 8729 } else { 8730 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8731 user, allUsers, perUserInstalled, installerPackageName, res); 8732 } 8733 } 8734 8735 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8736 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8737 int[] allUsers, boolean[] perUserInstalled, 8738 String installerPackageName, PackageInstalledInfo res) { 8739 PackageParser.Package newPackage = null; 8740 String pkgName = deletedPackage.packageName; 8741 boolean deletedPkg = true; 8742 boolean updatedSettings = false; 8743 8744 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8745 + deletedPackage); 8746 long origUpdateTime; 8747 if (pkg.mExtras != null) { 8748 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8749 } else { 8750 origUpdateTime = 0; 8751 } 8752 8753 // First delete the existing package while retaining the data directory 8754 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8755 res.removedInfo, true)) { 8756 // If the existing package wasn't successfully deleted 8757 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8758 deletedPkg = false; 8759 } else { 8760 // Successfully deleted the old package. Now proceed with re-installation 8761 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8762 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8763 System.currentTimeMillis(), user); 8764 if (newPackage == null) { 8765 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8766 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8767 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8768 } 8769 } else { 8770 updateSettingsLI(newPackage, 8771 installerPackageName, 8772 allUsers, perUserInstalled, 8773 res); 8774 updatedSettings = true; 8775 } 8776 } 8777 8778 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8779 // remove package from internal structures. Note that we want deletePackageX to 8780 // delete the package data and cache directories that it created in 8781 // scanPackageLocked, unless those directories existed before we even tried to 8782 // install. 8783 if(updatedSettings) { 8784 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8785 deletePackageLI( 8786 pkgName, null, true, allUsers, perUserInstalled, 8787 PackageManager.DELETE_KEEP_DATA, 8788 res.removedInfo, true); 8789 } 8790 // Since we failed to install the new package we need to restore the old 8791 // package that we deleted. 8792 if(deletedPkg) { 8793 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 8794 File restoreFile = new File(deletedPackage.mPath); 8795 // Parse old package 8796 boolean oldOnSd = isExternal(deletedPackage); 8797 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 8798 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 8799 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 8800 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 8801 | SCAN_UPDATE_TIME; 8802 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 8803 origUpdateTime, null) == null) { 8804 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 8805 return; 8806 } 8807 // Restore of old package succeeded. Update permissions. 8808 // writer 8809 synchronized (mPackages) { 8810 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 8811 UPDATE_PERMISSIONS_ALL); 8812 // can downgrade to reader 8813 mSettings.writeLPr(); 8814 } 8815 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 8816 } 8817 } 8818 } 8819 8820 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 8821 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8822 int[] allUsers, boolean[] perUserInstalled, 8823 String installerPackageName, PackageInstalledInfo res) { 8824 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 8825 + ", old=" + deletedPackage); 8826 PackageParser.Package newPackage = null; 8827 boolean updatedSettings = false; 8828 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 8829 PackageParser.PARSE_IS_SYSTEM; 8830 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 8831 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8832 } 8833 String packageName = deletedPackage.packageName; 8834 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8835 if (packageName == null) { 8836 Slog.w(TAG, "Attempt to delete null packageName."); 8837 return; 8838 } 8839 PackageParser.Package oldPkg; 8840 PackageSetting oldPkgSetting; 8841 // reader 8842 synchronized (mPackages) { 8843 oldPkg = mPackages.get(packageName); 8844 oldPkgSetting = mSettings.mPackages.get(packageName); 8845 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 8846 (oldPkgSetting == null)) { 8847 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 8848 return; 8849 } 8850 } 8851 8852 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 8853 8854 res.removedInfo.uid = oldPkg.applicationInfo.uid; 8855 res.removedInfo.removedPackage = packageName; 8856 // Remove existing system package 8857 removePackageLI(oldPkgSetting, true); 8858 // writer 8859 synchronized (mPackages) { 8860 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 8861 // We didn't need to disable the .apk as a current system package, 8862 // which means we are replacing another update that is already 8863 // installed. We need to make sure to delete the older one's .apk. 8864 res.removedInfo.args = createInstallArgs(0, 8865 deletedPackage.applicationInfo.sourceDir, 8866 deletedPackage.applicationInfo.publicSourceDir, 8867 deletedPackage.applicationInfo.nativeLibraryDir); 8868 } else { 8869 res.removedInfo.args = null; 8870 } 8871 } 8872 8873 // Successfully disabled the old package. Now proceed with re-installation 8874 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8875 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8876 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 8877 if (newPackage == null) { 8878 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8879 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8880 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8881 } 8882 } else { 8883 if (newPackage.mExtras != null) { 8884 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 8885 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 8886 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 8887 } 8888 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 8889 updatedSettings = true; 8890 } 8891 8892 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8893 // Re installation failed. Restore old information 8894 // Remove new pkg information 8895 if (newPackage != null) { 8896 removeInstalledPackageLI(newPackage, true); 8897 } 8898 // Add back the old system package 8899 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 8900 // Restore the old system information in Settings 8901 synchronized(mPackages) { 8902 if (updatedSettings) { 8903 mSettings.enableSystemPackageLPw(packageName); 8904 mSettings.setInstallerPackageName(packageName, 8905 oldPkgSetting.installerPackageName); 8906 } 8907 mSettings.writeLPr(); 8908 } 8909 } 8910 } 8911 8912 // Utility method used to move dex files during install. 8913 private int moveDexFilesLI(PackageParser.Package newPackage) { 8914 int retCode; 8915 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 8916 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 8917 if (retCode != 0) { 8918 if (mNoDexOpt) { 8919 /* 8920 * If we're in an engineering build, programs are lazily run 8921 * through dexopt. If the .dex file doesn't exist yet, it 8922 * will be created when the program is run next. 8923 */ 8924 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 8925 } else { 8926 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 8927 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8928 } 8929 } 8930 } 8931 return PackageManager.INSTALL_SUCCEEDED; 8932 } 8933 8934 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 8935 int[] allUsers, boolean[] perUserInstalled, 8936 PackageInstalledInfo res) { 8937 String pkgName = newPackage.packageName; 8938 synchronized (mPackages) { 8939 //write settings. the installStatus will be incomplete at this stage. 8940 //note that the new package setting would have already been 8941 //added to mPackages. It hasn't been persisted yet. 8942 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 8943 mSettings.writeLPr(); 8944 } 8945 8946 if ((res.returnCode = moveDexFilesLI(newPackage)) 8947 != PackageManager.INSTALL_SUCCEEDED) { 8948 // Discontinue if moving dex files failed. 8949 return; 8950 } 8951 8952 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 8953 8954 synchronized (mPackages) { 8955 updatePermissionsLPw(newPackage.packageName, newPackage, 8956 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 8957 ? UPDATE_PERMISSIONS_ALL : 0)); 8958 // For system-bundled packages, we assume that installing an upgraded version 8959 // of the package implies that the user actually wants to run that new code, 8960 // so we enable the package. 8961 if (isSystemApp(newPackage)) { 8962 // NB: implicit assumption that system package upgrades apply to all users 8963 if (DEBUG_INSTALL) { 8964 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 8965 } 8966 PackageSetting ps = mSettings.mPackages.get(pkgName); 8967 if (ps != null) { 8968 if (res.origUsers != null) { 8969 for (int userHandle : res.origUsers) { 8970 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 8971 userHandle, installerPackageName); 8972 } 8973 } 8974 // Also convey the prior install/uninstall state 8975 if (allUsers != null && perUserInstalled != null) { 8976 for (int i = 0; i < allUsers.length; i++) { 8977 if (DEBUG_INSTALL) { 8978 Slog.d(TAG, " user " + allUsers[i] 8979 + " => " + perUserInstalled[i]); 8980 } 8981 ps.setInstalled(perUserInstalled[i], allUsers[i]); 8982 } 8983 // these install state changes will be persisted in the 8984 // upcoming call to mSettings.writeLPr(). 8985 } 8986 } 8987 } 8988 res.name = pkgName; 8989 res.uid = newPackage.applicationInfo.uid; 8990 res.pkg = newPackage; 8991 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 8992 mSettings.setInstallerPackageName(pkgName, installerPackageName); 8993 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 8994 //to update install status 8995 mSettings.writeLPr(); 8996 } 8997 } 8998 8999 private void installPackageLI(InstallArgs args, 9000 boolean newInstall, PackageInstalledInfo res) { 9001 int pFlags = args.flags; 9002 String installerPackageName = args.installerPackageName; 9003 File tmpPackageFile = new File(args.getCodePath()); 9004 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9005 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9006 boolean replace = false; 9007 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9008 | (newInstall ? SCAN_NEW_INSTALL : 0); 9009 // Result object to be returned 9010 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9011 9012 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9013 // Retrieve PackageSettings and parse package 9014 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9015 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9016 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9017 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9018 pp.setSeparateProcesses(mSeparateProcesses); 9019 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9020 null, mMetrics, parseFlags); 9021 if (pkg == null) { 9022 res.returnCode = pp.getParseError(); 9023 return; 9024 } 9025 String pkgName = res.name = pkg.packageName; 9026 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9027 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9028 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9029 return; 9030 } 9031 } 9032 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9033 res.returnCode = pp.getParseError(); 9034 return; 9035 } 9036 9037 /* If the installer passed in a manifest digest, compare it now. */ 9038 if (args.manifestDigest != null) { 9039 if (DEBUG_INSTALL) { 9040 final String parsedManifest = pkg.manifestDigest == null ? "null" 9041 : pkg.manifestDigest.toString(); 9042 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9043 + parsedManifest); 9044 } 9045 9046 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9047 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9048 return; 9049 } 9050 } else if (DEBUG_INSTALL) { 9051 final String parsedManifest = pkg.manifestDigest == null 9052 ? "null" : pkg.manifestDigest.toString(); 9053 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9054 } 9055 9056 // Get rid of all references to package scan path via parser. 9057 pp = null; 9058 String oldCodePath = null; 9059 boolean systemApp = false; 9060 synchronized (mPackages) { 9061 // Check if installing already existing package 9062 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9063 String oldName = mSettings.mRenamedPackages.get(pkgName); 9064 if (pkg.mOriginalPackages != null 9065 && pkg.mOriginalPackages.contains(oldName) 9066 && mPackages.containsKey(oldName)) { 9067 // This package is derived from an original package, 9068 // and this device has been updating from that original 9069 // name. We must continue using the original name, so 9070 // rename the new package here. 9071 pkg.setPackageName(oldName); 9072 pkgName = pkg.packageName; 9073 replace = true; 9074 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9075 + oldName + " pkgName=" + pkgName); 9076 } else if (mPackages.containsKey(pkgName)) { 9077 // This package, under its official name, already exists 9078 // on the device; we should replace it. 9079 replace = true; 9080 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9081 } 9082 } 9083 PackageSetting ps = mSettings.mPackages.get(pkgName); 9084 if (ps != null) { 9085 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9086 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9087 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9088 systemApp = (ps.pkg.applicationInfo.flags & 9089 ApplicationInfo.FLAG_SYSTEM) != 0; 9090 } 9091 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9092 } 9093 } 9094 9095 if (systemApp && onSd) { 9096 // Disable updates to system apps on sdcard 9097 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9098 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9099 return; 9100 } 9101 9102 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9103 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9104 return; 9105 } 9106 // Set application objects path explicitly after the rename 9107 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9108 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9109 if (replace) { 9110 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9111 installerPackageName, res); 9112 } else { 9113 installNewPackageLI(pkg, parseFlags, scanMode, args.user, 9114 installerPackageName, res); 9115 } 9116 synchronized (mPackages) { 9117 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9118 if (ps != null) { 9119 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9120 } 9121 } 9122 } 9123 9124 private static boolean isForwardLocked(PackageParser.Package pkg) { 9125 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9126 } 9127 9128 9129 private boolean isForwardLocked(PackageSetting ps) { 9130 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9131 } 9132 9133 private static boolean isExternal(PackageParser.Package pkg) { 9134 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9135 } 9136 9137 private static boolean isExternal(PackageSetting ps) { 9138 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9139 } 9140 9141 private static boolean isSystemApp(PackageParser.Package pkg) { 9142 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9143 } 9144 9145 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9146 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9147 } 9148 9149 private static boolean isSystemApp(ApplicationInfo info) { 9150 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9151 } 9152 9153 private static boolean isSystemApp(PackageSetting ps) { 9154 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9155 } 9156 9157 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9158 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9159 } 9160 9161 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9162 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9163 } 9164 9165 private int packageFlagsToInstallFlags(PackageSetting ps) { 9166 int installFlags = 0; 9167 if (isExternal(ps)) { 9168 installFlags |= PackageManager.INSTALL_EXTERNAL; 9169 } 9170 if (isForwardLocked(ps)) { 9171 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9172 } 9173 return installFlags; 9174 } 9175 9176 private void deleteTempPackageFiles() { 9177 final FilenameFilter filter = new FilenameFilter() { 9178 public boolean accept(File dir, String name) { 9179 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9180 } 9181 }; 9182 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9183 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9184 } 9185 9186 private static final void deleteTempPackageFilesInDirectory(File directory, 9187 FilenameFilter filter) { 9188 final String[] tmpFilesList = directory.list(filter); 9189 if (tmpFilesList == null) { 9190 return; 9191 } 9192 for (int i = 0; i < tmpFilesList.length; i++) { 9193 final File tmpFile = new File(directory, tmpFilesList[i]); 9194 tmpFile.delete(); 9195 } 9196 } 9197 9198 private File createTempPackageFile(File installDir) { 9199 File tmpPackageFile; 9200 try { 9201 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9202 } catch (IOException e) { 9203 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9204 return null; 9205 } 9206 try { 9207 FileUtils.setPermissions( 9208 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9209 -1, -1); 9210 if (!SELinux.restorecon(tmpPackageFile)) { 9211 return null; 9212 } 9213 } catch (IOException e) { 9214 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9215 return null; 9216 } 9217 return tmpPackageFile; 9218 } 9219 9220 @Override 9221 public void deletePackageAsUser(final String packageName, 9222 final IPackageDeleteObserver observer, 9223 final int userId, final int flags) { 9224 mContext.enforceCallingOrSelfPermission( 9225 android.Manifest.permission.DELETE_PACKAGES, null); 9226 final int uid = Binder.getCallingUid(); 9227 if (UserHandle.getUserId(uid) != userId) { 9228 mContext.enforceCallingPermission( 9229 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9230 "deletePackage for user " + userId); 9231 } 9232 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9233 try { 9234 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9235 } catch (RemoteException re) { 9236 } 9237 return; 9238 } 9239 9240 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9241 // Queue up an async operation since the package deletion may take a little while. 9242 mHandler.post(new Runnable() { 9243 public void run() { 9244 mHandler.removeCallbacks(this); 9245 final int returnCode = deletePackageX(packageName, userId, flags); 9246 if (observer != null) { 9247 try { 9248 observer.packageDeleted(packageName, returnCode); 9249 } catch (RemoteException e) { 9250 Log.i(TAG, "Observer no longer exists."); 9251 } //end catch 9252 } //end if 9253 } //end run 9254 }); 9255 } 9256 9257 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9258 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9259 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9260 try { 9261 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9262 || dpm.isDeviceOwner(packageName))) { 9263 return true; 9264 } 9265 } catch (RemoteException e) { 9266 } 9267 return false; 9268 } 9269 9270 /** 9271 * This method is an internal method that could be get invoked either 9272 * to delete an installed package or to clean up a failed installation. 9273 * After deleting an installed package, a broadcast is sent to notify any 9274 * listeners that the package has been installed. For cleaning up a failed 9275 * installation, the broadcast is not necessary since the package's 9276 * installation wouldn't have sent the initial broadcast either 9277 * The key steps in deleting a package are 9278 * deleting the package information in internal structures like mPackages, 9279 * deleting the packages base directories through installd 9280 * updating mSettings to reflect current status 9281 * persisting settings for later use 9282 * sending a broadcast if necessary 9283 */ 9284 private int deletePackageX(String packageName, int userId, int flags) { 9285 final PackageRemovedInfo info = new PackageRemovedInfo(); 9286 final boolean res; 9287 9288 if (isPackageDeviceAdmin(packageName, userId)) { 9289 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9290 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9291 } 9292 9293 boolean removedForAllUsers = false; 9294 boolean systemUpdate = false; 9295 9296 // for the uninstall-updates case and restricted profiles, remember the per- 9297 // userhandle installed state 9298 int[] allUsers; 9299 boolean[] perUserInstalled; 9300 synchronized (mPackages) { 9301 PackageSetting ps = mSettings.mPackages.get(packageName); 9302 allUsers = sUserManager.getUserIds(); 9303 perUserInstalled = new boolean[allUsers.length]; 9304 for (int i = 0; i < allUsers.length; i++) { 9305 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9306 } 9307 } 9308 9309 synchronized (mInstallLock) { 9310 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9311 res = deletePackageLI(packageName, 9312 (flags & PackageManager.DELETE_ALL_USERS) != 0 9313 ? UserHandle.ALL : new UserHandle(userId), 9314 true, allUsers, perUserInstalled, 9315 flags | REMOVE_CHATTY, info, true); 9316 systemUpdate = info.isRemovedPackageSystemUpdate; 9317 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9318 removedForAllUsers = true; 9319 } 9320 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9321 + " removedForAllUsers=" + removedForAllUsers); 9322 } 9323 9324 if (res) { 9325 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9326 9327 // If the removed package was a system update, the old system package 9328 // was re-enabled; we need to broadcast this information 9329 if (systemUpdate) { 9330 Bundle extras = new Bundle(1); 9331 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9332 ? info.removedAppId : info.uid); 9333 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9334 9335 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9336 extras, null, null, null); 9337 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9338 extras, null, null, null); 9339 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9340 null, packageName, null, null); 9341 } 9342 } 9343 // Force a gc here. 9344 Runtime.getRuntime().gc(); 9345 // Delete the resources here after sending the broadcast to let 9346 // other processes clean up before deleting resources. 9347 if (info.args != null) { 9348 synchronized (mInstallLock) { 9349 info.args.doPostDeleteLI(true); 9350 } 9351 } 9352 9353 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9354 } 9355 9356 static class PackageRemovedInfo { 9357 String removedPackage; 9358 int uid = -1; 9359 int removedAppId = -1; 9360 int[] removedUsers = null; 9361 boolean isRemovedPackageSystemUpdate = false; 9362 // Clean up resources deleted packages. 9363 InstallArgs args = null; 9364 9365 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9366 Bundle extras = new Bundle(1); 9367 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9368 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9369 if (replacing) { 9370 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9371 } 9372 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9373 if (removedPackage != null) { 9374 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9375 extras, null, null, removedUsers); 9376 if (fullRemove && !replacing) { 9377 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9378 extras, null, null, removedUsers); 9379 } 9380 } 9381 if (removedAppId >= 0) { 9382 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9383 removedUsers); 9384 } 9385 } 9386 } 9387 9388 /* 9389 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9390 * flag is not set, the data directory is removed as well. 9391 * make sure this flag is set for partially installed apps. If not its meaningless to 9392 * delete a partially installed application. 9393 */ 9394 private void removePackageDataLI(PackageSetting ps, 9395 int[] allUserHandles, boolean[] perUserInstalled, 9396 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9397 String packageName = ps.name; 9398 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9399 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9400 // Retrieve object to delete permissions for shared user later on 9401 final PackageSetting deletedPs; 9402 // reader 9403 synchronized (mPackages) { 9404 deletedPs = mSettings.mPackages.get(packageName); 9405 if (outInfo != null) { 9406 outInfo.removedPackage = packageName; 9407 outInfo.removedUsers = deletedPs != null 9408 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9409 : null; 9410 } 9411 } 9412 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9413 removeDataDirsLI(packageName); 9414 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9415 } 9416 // writer 9417 synchronized (mPackages) { 9418 if (deletedPs != null) { 9419 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9420 if (outInfo != null) { 9421 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9422 } 9423 if (deletedPs != null) { 9424 updatePermissionsLPw(deletedPs.name, null, 0); 9425 if (deletedPs.sharedUser != null) { 9426 // remove permissions associated with package 9427 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9428 } 9429 } 9430 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9431 } 9432 // make sure to preserve per-user disabled state if this removal was just 9433 // a downgrade of a system app to the factory package 9434 if (allUserHandles != null && perUserInstalled != null) { 9435 if (DEBUG_REMOVE) { 9436 Slog.d(TAG, "Propagating install state across downgrade"); 9437 } 9438 for (int i = 0; i < allUserHandles.length; i++) { 9439 if (DEBUG_REMOVE) { 9440 Slog.d(TAG, " user " + allUserHandles[i] 9441 + " => " + perUserInstalled[i]); 9442 } 9443 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9444 } 9445 } 9446 } 9447 // can downgrade to reader 9448 if (writeSettings) { 9449 // Save settings now 9450 mSettings.writeLPr(); 9451 } 9452 } 9453 if (outInfo != null) { 9454 // A user ID was deleted here. Go through all users and remove it 9455 // from KeyStore. 9456 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9457 } 9458 } 9459 9460 static boolean locationIsPrivileged(File path) { 9461 try { 9462 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9463 .getCanonicalPath(); 9464 return path.getCanonicalPath().startsWith(privilegedAppDir); 9465 } catch (IOException e) { 9466 Slog.e(TAG, "Unable to access code path " + path); 9467 } 9468 return false; 9469 } 9470 9471 /* 9472 * Tries to delete system package. 9473 */ 9474 private boolean deleteSystemPackageLI(PackageSetting newPs, 9475 int[] allUserHandles, boolean[] perUserInstalled, 9476 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9477 final boolean applyUserRestrictions 9478 = (allUserHandles != null) && (perUserInstalled != null); 9479 PackageSetting disabledPs = null; 9480 // Confirm if the system package has been updated 9481 // An updated system app can be deleted. This will also have to restore 9482 // the system pkg from system partition 9483 // reader 9484 synchronized (mPackages) { 9485 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9486 } 9487 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9488 + " disabledPs=" + disabledPs); 9489 if (disabledPs == null) { 9490 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9491 return false; 9492 } else if (DEBUG_REMOVE) { 9493 Slog.d(TAG, "Deleting system pkg from data partition"); 9494 } 9495 if (DEBUG_REMOVE) { 9496 if (applyUserRestrictions) { 9497 Slog.d(TAG, "Remembering install states:"); 9498 for (int i = 0; i < allUserHandles.length; i++) { 9499 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9500 } 9501 } 9502 } 9503 // Delete the updated package 9504 outInfo.isRemovedPackageSystemUpdate = true; 9505 if (disabledPs.versionCode < newPs.versionCode) { 9506 // Delete data for downgrades 9507 flags &= ~PackageManager.DELETE_KEEP_DATA; 9508 } else { 9509 // Preserve data by setting flag 9510 flags |= PackageManager.DELETE_KEEP_DATA; 9511 } 9512 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9513 allUserHandles, perUserInstalled, outInfo, writeSettings); 9514 if (!ret) { 9515 return false; 9516 } 9517 // writer 9518 synchronized (mPackages) { 9519 // Reinstate the old system package 9520 mSettings.enableSystemPackageLPw(newPs.name); 9521 // Remove any native libraries from the upgraded package. 9522 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9523 } 9524 // Install the system package 9525 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9526 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9527 if (locationIsPrivileged(disabledPs.codePath)) { 9528 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9529 } 9530 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9531 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9532 9533 if (newPkg == null) { 9534 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9535 + " with error:" + mLastScanError); 9536 return false; 9537 } 9538 // writer 9539 synchronized (mPackages) { 9540 updatePermissionsLPw(newPkg.packageName, newPkg, 9541 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9542 if (applyUserRestrictions) { 9543 if (DEBUG_REMOVE) { 9544 Slog.d(TAG, "Propagating install state across reinstall"); 9545 } 9546 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9547 for (int i = 0; i < allUserHandles.length; i++) { 9548 if (DEBUG_REMOVE) { 9549 Slog.d(TAG, " user " + allUserHandles[i] 9550 + " => " + perUserInstalled[i]); 9551 } 9552 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9553 } 9554 // Regardless of writeSettings we need to ensure that this restriction 9555 // state propagation is persisted 9556 mSettings.writeAllUsersPackageRestrictionsLPr(); 9557 } 9558 // can downgrade to reader here 9559 if (writeSettings) { 9560 mSettings.writeLPr(); 9561 } 9562 } 9563 return true; 9564 } 9565 9566 private boolean deleteInstalledPackageLI(PackageSetting ps, 9567 boolean deleteCodeAndResources, int flags, 9568 int[] allUserHandles, boolean[] perUserInstalled, 9569 PackageRemovedInfo outInfo, boolean writeSettings) { 9570 if (outInfo != null) { 9571 outInfo.uid = ps.appId; 9572 } 9573 9574 // Delete package data from internal structures and also remove data if flag is set 9575 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9576 9577 // Delete application code and resources 9578 if (deleteCodeAndResources && (outInfo != null)) { 9579 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9580 ps.resourcePathString, ps.nativeLibraryPathString); 9581 } 9582 return true; 9583 } 9584 9585 /* 9586 * This method handles package deletion in general 9587 */ 9588 private boolean deletePackageLI(String packageName, UserHandle user, 9589 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9590 int flags, PackageRemovedInfo outInfo, 9591 boolean writeSettings) { 9592 if (packageName == null) { 9593 Slog.w(TAG, "Attempt to delete null packageName."); 9594 return false; 9595 } 9596 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9597 PackageSetting ps; 9598 boolean dataOnly = false; 9599 int removeUser = -1; 9600 int appId = -1; 9601 synchronized (mPackages) { 9602 ps = mSettings.mPackages.get(packageName); 9603 if (ps == null) { 9604 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9605 return false; 9606 } 9607 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9608 && user.getIdentifier() != UserHandle.USER_ALL) { 9609 // The caller is asking that the package only be deleted for a single 9610 // user. To do this, we just mark its uninstalled state and delete 9611 // its data. If this is a system app, we only allow this to happen if 9612 // they have set the special DELETE_SYSTEM_APP which requests different 9613 // semantics than normal for uninstalling system apps. 9614 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9615 ps.setUserState(user.getIdentifier(), 9616 COMPONENT_ENABLED_STATE_DEFAULT, 9617 false, //installed 9618 true, //stopped 9619 true, //notLaunched 9620 false, //blocked 9621 null, null, null); 9622 if (!isSystemApp(ps)) { 9623 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9624 // Other user still have this package installed, so all 9625 // we need to do is clear this user's data and save that 9626 // it is uninstalled. 9627 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9628 removeUser = user.getIdentifier(); 9629 appId = ps.appId; 9630 mSettings.writePackageRestrictionsLPr(removeUser); 9631 } else { 9632 // We need to set it back to 'installed' so the uninstall 9633 // broadcasts will be sent correctly. 9634 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9635 ps.setInstalled(true, user.getIdentifier()); 9636 } 9637 } else { 9638 // This is a system app, so we assume that the 9639 // other users still have this package installed, so all 9640 // we need to do is clear this user's data and save that 9641 // it is uninstalled. 9642 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9643 removeUser = user.getIdentifier(); 9644 appId = ps.appId; 9645 mSettings.writePackageRestrictionsLPr(removeUser); 9646 } 9647 } 9648 } 9649 9650 if (removeUser >= 0) { 9651 // From above, we determined that we are deleting this only 9652 // for a single user. Continue the work here. 9653 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9654 if (outInfo != null) { 9655 outInfo.removedPackage = packageName; 9656 outInfo.removedAppId = appId; 9657 outInfo.removedUsers = new int[] {removeUser}; 9658 } 9659 mInstaller.clearUserData(packageName, removeUser); 9660 removeKeystoreDataIfNeeded(removeUser, appId); 9661 schedulePackageCleaning(packageName, removeUser, false); 9662 return true; 9663 } 9664 9665 if (dataOnly) { 9666 // Delete application data first 9667 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9668 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9669 return true; 9670 } 9671 9672 boolean ret = false; 9673 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9674 if (isSystemApp(ps)) { 9675 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9676 // When an updated system application is deleted we delete the existing resources as well and 9677 // fall back to existing code in system partition 9678 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9679 flags, outInfo, writeSettings); 9680 } else { 9681 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9682 // Kill application pre-emptively especially for apps on sd. 9683 killApplication(packageName, ps.appId, "uninstall pkg"); 9684 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9685 allUserHandles, perUserInstalled, 9686 outInfo, writeSettings); 9687 } 9688 9689 return ret; 9690 } 9691 9692 private final class ClearStorageConnection implements ServiceConnection { 9693 IMediaContainerService mContainerService; 9694 9695 @Override 9696 public void onServiceConnected(ComponentName name, IBinder service) { 9697 synchronized (this) { 9698 mContainerService = IMediaContainerService.Stub.asInterface(service); 9699 notifyAll(); 9700 } 9701 } 9702 9703 @Override 9704 public void onServiceDisconnected(ComponentName name) { 9705 } 9706 } 9707 9708 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9709 final boolean mounted; 9710 if (Environment.isExternalStorageEmulated()) { 9711 mounted = true; 9712 } else { 9713 final String status = Environment.getExternalStorageState(); 9714 9715 mounted = status.equals(Environment.MEDIA_MOUNTED) 9716 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9717 } 9718 9719 if (!mounted) { 9720 return; 9721 } 9722 9723 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9724 int[] users; 9725 if (userId == UserHandle.USER_ALL) { 9726 users = sUserManager.getUserIds(); 9727 } else { 9728 users = new int[] { userId }; 9729 } 9730 final ClearStorageConnection conn = new ClearStorageConnection(); 9731 if (mContext.bindServiceAsUser( 9732 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9733 try { 9734 for (int curUser : users) { 9735 long timeout = SystemClock.uptimeMillis() + 5000; 9736 synchronized (conn) { 9737 long now = SystemClock.uptimeMillis(); 9738 while (conn.mContainerService == null && now < timeout) { 9739 try { 9740 conn.wait(timeout - now); 9741 } catch (InterruptedException e) { 9742 } 9743 } 9744 } 9745 if (conn.mContainerService == null) { 9746 return; 9747 } 9748 9749 final UserEnvironment userEnv = new UserEnvironment(curUser); 9750 clearDirectory(conn.mContainerService, 9751 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9752 if (allData) { 9753 clearDirectory(conn.mContainerService, 9754 userEnv.buildExternalStorageAppDataDirs(packageName)); 9755 clearDirectory(conn.mContainerService, 9756 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9757 } 9758 } 9759 } finally { 9760 mContext.unbindService(conn); 9761 } 9762 } 9763 } 9764 9765 @Override 9766 public void clearApplicationUserData(final String packageName, 9767 final IPackageDataObserver observer, final int userId) { 9768 mContext.enforceCallingOrSelfPermission( 9769 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9770 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9771 // Queue up an async operation since the package deletion may take a little while. 9772 mHandler.post(new Runnable() { 9773 public void run() { 9774 mHandler.removeCallbacks(this); 9775 final boolean succeeded; 9776 synchronized (mInstallLock) { 9777 succeeded = clearApplicationUserDataLI(packageName, userId); 9778 } 9779 clearExternalStorageDataSync(packageName, userId, true); 9780 if (succeeded) { 9781 // invoke DeviceStorageMonitor's update method to clear any notifications 9782 DeviceStorageMonitorInternal 9783 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9784 if (dsm != null) { 9785 dsm.checkMemory(); 9786 } 9787 } 9788 if(observer != null) { 9789 try { 9790 observer.onRemoveCompleted(packageName, succeeded); 9791 } catch (RemoteException e) { 9792 Log.i(TAG, "Observer no longer exists."); 9793 } 9794 } //end if observer 9795 } //end run 9796 }); 9797 } 9798 9799 private boolean clearApplicationUserDataLI(String packageName, int userId) { 9800 if (packageName == null) { 9801 Slog.w(TAG, "Attempt to delete null packageName."); 9802 return false; 9803 } 9804 PackageParser.Package p; 9805 boolean dataOnly = false; 9806 final int appId; 9807 synchronized (mPackages) { 9808 p = mPackages.get(packageName); 9809 if (p == null) { 9810 dataOnly = true; 9811 PackageSetting ps = mSettings.mPackages.get(packageName); 9812 if ((ps == null) || (ps.pkg == null)) { 9813 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9814 return false; 9815 } 9816 p = ps.pkg; 9817 } 9818 if (!dataOnly) { 9819 // need to check this only for fully installed applications 9820 if (p == null) { 9821 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9822 return false; 9823 } 9824 final ApplicationInfo applicationInfo = p.applicationInfo; 9825 if (applicationInfo == null) { 9826 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9827 return false; 9828 } 9829 } 9830 if (p != null && p.applicationInfo != null) { 9831 appId = p.applicationInfo.uid; 9832 } else { 9833 appId = -1; 9834 } 9835 } 9836 int retCode = mInstaller.clearUserData(packageName, userId); 9837 if (retCode < 0) { 9838 Slog.w(TAG, "Couldn't remove cache files for package: " 9839 + packageName); 9840 return false; 9841 } 9842 removeKeystoreDataIfNeeded(userId, appId); 9843 return true; 9844 } 9845 9846 /** 9847 * Remove entries from the keystore daemon. Will only remove it if the 9848 * {@code appId} is valid. 9849 */ 9850 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 9851 if (appId < 0) { 9852 return; 9853 } 9854 9855 final KeyStore keyStore = KeyStore.getInstance(); 9856 if (keyStore != null) { 9857 if (userId == UserHandle.USER_ALL) { 9858 for (final int individual : sUserManager.getUserIds()) { 9859 keyStore.clearUid(UserHandle.getUid(individual, appId)); 9860 } 9861 } else { 9862 keyStore.clearUid(UserHandle.getUid(userId, appId)); 9863 } 9864 } else { 9865 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 9866 } 9867 } 9868 9869 public void deleteApplicationCacheFiles(final String packageName, 9870 final IPackageDataObserver observer) { 9871 mContext.enforceCallingOrSelfPermission( 9872 android.Manifest.permission.DELETE_CACHE_FILES, null); 9873 // Queue up an async operation since the package deletion may take a little while. 9874 final int userId = UserHandle.getCallingUserId(); 9875 mHandler.post(new Runnable() { 9876 public void run() { 9877 mHandler.removeCallbacks(this); 9878 final boolean succeded; 9879 synchronized (mInstallLock) { 9880 succeded = deleteApplicationCacheFilesLI(packageName, userId); 9881 } 9882 clearExternalStorageDataSync(packageName, userId, false); 9883 if(observer != null) { 9884 try { 9885 observer.onRemoveCompleted(packageName, succeded); 9886 } catch (RemoteException e) { 9887 Log.i(TAG, "Observer no longer exists."); 9888 } 9889 } //end if observer 9890 } //end run 9891 }); 9892 } 9893 9894 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 9895 if (packageName == null) { 9896 Slog.w(TAG, "Attempt to delete null packageName."); 9897 return false; 9898 } 9899 PackageParser.Package p; 9900 synchronized (mPackages) { 9901 p = mPackages.get(packageName); 9902 } 9903 if (p == null) { 9904 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 9905 return false; 9906 } 9907 final ApplicationInfo applicationInfo = p.applicationInfo; 9908 if (applicationInfo == null) { 9909 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9910 return false; 9911 } 9912 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 9913 if (retCode < 0) { 9914 Slog.w(TAG, "Couldn't remove cache files for package: " 9915 + packageName + " u" + userId); 9916 return false; 9917 } 9918 return true; 9919 } 9920 9921 public void getPackageSizeInfo(final String packageName, int userHandle, 9922 final IPackageStatsObserver observer) { 9923 mContext.enforceCallingOrSelfPermission( 9924 android.Manifest.permission.GET_PACKAGE_SIZE, null); 9925 9926 PackageStats stats = new PackageStats(packageName, userHandle); 9927 9928 /* 9929 * Queue up an async operation since the package measurement may take a 9930 * little while. 9931 */ 9932 Message msg = mHandler.obtainMessage(INIT_COPY); 9933 msg.obj = new MeasureParams(stats, observer); 9934 mHandler.sendMessage(msg); 9935 } 9936 9937 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 9938 PackageStats pStats) { 9939 if (packageName == null) { 9940 Slog.w(TAG, "Attempt to get size of null packageName."); 9941 return false; 9942 } 9943 PackageParser.Package p; 9944 boolean dataOnly = false; 9945 String libDirPath = null; 9946 String asecPath = null; 9947 synchronized (mPackages) { 9948 p = mPackages.get(packageName); 9949 PackageSetting ps = mSettings.mPackages.get(packageName); 9950 if(p == null) { 9951 dataOnly = true; 9952 if((ps == null) || (ps.pkg == null)) { 9953 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 9954 return false; 9955 } 9956 p = ps.pkg; 9957 } 9958 if (ps != null) { 9959 libDirPath = ps.nativeLibraryPathString; 9960 } 9961 if (p != null && (isExternal(p) || isForwardLocked(p))) { 9962 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 9963 if (secureContainerId != null) { 9964 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 9965 } 9966 } 9967 } 9968 String publicSrcDir = null; 9969 if(!dataOnly) { 9970 final ApplicationInfo applicationInfo = p.applicationInfo; 9971 if (applicationInfo == null) { 9972 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9973 return false; 9974 } 9975 if (isForwardLocked(p)) { 9976 publicSrcDir = applicationInfo.publicSourceDir; 9977 } 9978 } 9979 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 9980 publicSrcDir, asecPath, pStats); 9981 if (res < 0) { 9982 return false; 9983 } 9984 9985 // Fix-up for forward-locked applications in ASEC containers. 9986 if (!isExternal(p)) { 9987 pStats.codeSize += pStats.externalCodeSize; 9988 pStats.externalCodeSize = 0L; 9989 } 9990 9991 return true; 9992 } 9993 9994 9995 public void addPackageToPreferred(String packageName) { 9996 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 9997 } 9998 9999 public void removePackageFromPreferred(String packageName) { 10000 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10001 } 10002 10003 public List<PackageInfo> getPreferredPackages(int flags) { 10004 return new ArrayList<PackageInfo>(); 10005 } 10006 10007 private int getUidTargetSdkVersionLockedLPr(int uid) { 10008 Object obj = mSettings.getUserIdLPr(uid); 10009 if (obj instanceof SharedUserSetting) { 10010 final SharedUserSetting sus = (SharedUserSetting) obj; 10011 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10012 final Iterator<PackageSetting> it = sus.packages.iterator(); 10013 while (it.hasNext()) { 10014 final PackageSetting ps = it.next(); 10015 if (ps.pkg != null) { 10016 int v = ps.pkg.applicationInfo.targetSdkVersion; 10017 if (v < vers) vers = v; 10018 } 10019 } 10020 return vers; 10021 } else if (obj instanceof PackageSetting) { 10022 final PackageSetting ps = (PackageSetting) obj; 10023 if (ps.pkg != null) { 10024 return ps.pkg.applicationInfo.targetSdkVersion; 10025 } 10026 } 10027 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10028 } 10029 10030 public void addPreferredActivity(IntentFilter filter, int match, 10031 ComponentName[] set, ComponentName activity, int userId) { 10032 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10033 } 10034 10035 private void addPreferredActivityInternal(IntentFilter filter, int match, 10036 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10037 // writer 10038 int callingUid = Binder.getCallingUid(); 10039 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10040 if (filter.countActions() == 0) { 10041 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10042 return; 10043 } 10044 synchronized (mPackages) { 10045 if (mContext.checkCallingOrSelfPermission( 10046 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10047 != PackageManager.PERMISSION_GRANTED) { 10048 if (getUidTargetSdkVersionLockedLPr(callingUid) 10049 < Build.VERSION_CODES.FROYO) { 10050 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10051 + callingUid); 10052 return; 10053 } 10054 mContext.enforceCallingOrSelfPermission( 10055 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10056 } 10057 10058 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10059 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10060 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10061 new PreferredActivity(filter, match, set, activity, always)); 10062 mSettings.writePackageRestrictionsLPr(userId); 10063 } 10064 } 10065 10066 public void replacePreferredActivity(IntentFilter filter, int match, 10067 ComponentName[] set, ComponentName activity) { 10068 if (filter.countActions() != 1) { 10069 throw new IllegalArgumentException( 10070 "replacePreferredActivity expects filter to have only 1 action."); 10071 } 10072 if (filter.countDataAuthorities() != 0 10073 || filter.countDataPaths() != 0 10074 || filter.countDataSchemes() > 1 10075 || filter.countDataTypes() != 0) { 10076 throw new IllegalArgumentException( 10077 "replacePreferredActivity expects filter to have no data authorities, " + 10078 "paths, or types; and at most one scheme."); 10079 } 10080 synchronized (mPackages) { 10081 if (mContext.checkCallingOrSelfPermission( 10082 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10083 != PackageManager.PERMISSION_GRANTED) { 10084 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10085 < Build.VERSION_CODES.FROYO) { 10086 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10087 + Binder.getCallingUid()); 10088 return; 10089 } 10090 mContext.enforceCallingOrSelfPermission( 10091 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10092 } 10093 10094 final int callingUserId = UserHandle.getCallingUserId(); 10095 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10096 if (pir != null) { 10097 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10098 if (filter.countDataSchemes() == 1) { 10099 Uri.Builder builder = new Uri.Builder(); 10100 builder.scheme(filter.getDataScheme(0)); 10101 intent.setData(builder.build()); 10102 } 10103 List<PreferredActivity> matches = pir.queryIntent( 10104 intent, null, true, callingUserId); 10105 if (DEBUG_PREFERRED) { 10106 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10107 } 10108 for (int i = 0; i < matches.size(); i++) { 10109 PreferredActivity pa = matches.get(i); 10110 if (DEBUG_PREFERRED) { 10111 Slog.i(TAG, "Removing preferred activity " 10112 + pa.mPref.mComponent + ":"); 10113 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10114 } 10115 pir.removeFilter(pa); 10116 } 10117 } 10118 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10119 } 10120 } 10121 10122 public void clearPackagePreferredActivities(String packageName) { 10123 final int uid = Binder.getCallingUid(); 10124 // writer 10125 synchronized (mPackages) { 10126 PackageParser.Package pkg = mPackages.get(packageName); 10127 if (pkg == null || pkg.applicationInfo.uid != uid) { 10128 if (mContext.checkCallingOrSelfPermission( 10129 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10130 != PackageManager.PERMISSION_GRANTED) { 10131 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10132 < Build.VERSION_CODES.FROYO) { 10133 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10134 + Binder.getCallingUid()); 10135 return; 10136 } 10137 mContext.enforceCallingOrSelfPermission( 10138 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10139 } 10140 } 10141 10142 int user = UserHandle.getCallingUserId(); 10143 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10144 mSettings.writePackageRestrictionsLPr(user); 10145 scheduleWriteSettingsLocked(); 10146 } 10147 } 10148 } 10149 10150 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10151 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10152 ArrayList<PreferredActivity> removed = null; 10153 boolean changed = false; 10154 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10155 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10156 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10157 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10158 continue; 10159 } 10160 Iterator<PreferredActivity> it = pir.filterIterator(); 10161 while (it.hasNext()) { 10162 PreferredActivity pa = it.next(); 10163 // Mark entry for removal only if it matches the package name 10164 // and the entry is of type "always". 10165 if (packageName == null || 10166 (pa.mPref.mComponent.getPackageName().equals(packageName) 10167 && pa.mPref.mAlways)) { 10168 if (removed == null) { 10169 removed = new ArrayList<PreferredActivity>(); 10170 } 10171 removed.add(pa); 10172 } 10173 } 10174 if (removed != null) { 10175 for (int j=0; j<removed.size(); j++) { 10176 PreferredActivity pa = removed.get(j); 10177 pir.removeFilter(pa); 10178 } 10179 changed = true; 10180 } 10181 } 10182 return changed; 10183 } 10184 10185 public void resetPreferredActivities(int userId) { 10186 mContext.enforceCallingOrSelfPermission( 10187 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10188 // writer 10189 synchronized (mPackages) { 10190 int user = UserHandle.getCallingUserId(); 10191 clearPackagePreferredActivitiesLPw(null, user); 10192 mSettings.readDefaultPreferredAppsLPw(this, user); 10193 mSettings.writePackageRestrictionsLPr(user); 10194 scheduleWriteSettingsLocked(); 10195 } 10196 } 10197 10198 public int getPreferredActivities(List<IntentFilter> outFilters, 10199 List<ComponentName> outActivities, String packageName) { 10200 10201 int num = 0; 10202 final int userId = UserHandle.getCallingUserId(); 10203 // reader 10204 synchronized (mPackages) { 10205 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10206 if (pir != null) { 10207 final Iterator<PreferredActivity> it = pir.filterIterator(); 10208 while (it.hasNext()) { 10209 final PreferredActivity pa = it.next(); 10210 if (packageName == null 10211 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10212 && pa.mPref.mAlways)) { 10213 if (outFilters != null) { 10214 outFilters.add(new IntentFilter(pa)); 10215 } 10216 if (outActivities != null) { 10217 outActivities.add(pa.mPref.mComponent); 10218 } 10219 } 10220 } 10221 } 10222 } 10223 10224 return num; 10225 } 10226 10227 @Override 10228 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10229 Intent intent = new Intent(Intent.ACTION_MAIN); 10230 intent.addCategory(Intent.CATEGORY_HOME); 10231 10232 final int callingUserId = UserHandle.getCallingUserId(); 10233 List<ResolveInfo> list = queryIntentActivities(intent, null, 10234 PackageManager.GET_META_DATA, callingUserId); 10235 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10236 true, false, false, callingUserId); 10237 10238 allHomeCandidates.clear(); 10239 if (list != null) { 10240 for (ResolveInfo ri : list) { 10241 allHomeCandidates.add(ri); 10242 } 10243 } 10244 return (preferred == null || preferred.activityInfo == null) 10245 ? null 10246 : new ComponentName(preferred.activityInfo.packageName, 10247 preferred.activityInfo.name); 10248 } 10249 10250 @Override 10251 public void setApplicationEnabledSetting(String appPackageName, 10252 int newState, int flags, int userId, String callingPackage) { 10253 if (!sUserManager.exists(userId)) return; 10254 if (callingPackage == null) { 10255 callingPackage = Integer.toString(Binder.getCallingUid()); 10256 } 10257 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10258 } 10259 10260 @Override 10261 public void setComponentEnabledSetting(ComponentName componentName, 10262 int newState, int flags, int userId) { 10263 if (!sUserManager.exists(userId)) return; 10264 setEnabledSetting(componentName.getPackageName(), 10265 componentName.getClassName(), newState, flags, userId, null); 10266 } 10267 10268 private void setEnabledSetting(final String packageName, String className, int newState, 10269 final int flags, int userId, String callingPackage) { 10270 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10271 || newState == COMPONENT_ENABLED_STATE_ENABLED 10272 || newState == COMPONENT_ENABLED_STATE_DISABLED 10273 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10274 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10275 throw new IllegalArgumentException("Invalid new component state: " 10276 + newState); 10277 } 10278 PackageSetting pkgSetting; 10279 final int uid = Binder.getCallingUid(); 10280 final int permission = mContext.checkCallingOrSelfPermission( 10281 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10282 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10283 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10284 boolean sendNow = false; 10285 boolean isApp = (className == null); 10286 String componentName = isApp ? packageName : className; 10287 int packageUid = -1; 10288 ArrayList<String> components; 10289 10290 // writer 10291 synchronized (mPackages) { 10292 pkgSetting = mSettings.mPackages.get(packageName); 10293 if (pkgSetting == null) { 10294 if (className == null) { 10295 throw new IllegalArgumentException( 10296 "Unknown package: " + packageName); 10297 } 10298 throw new IllegalArgumentException( 10299 "Unknown component: " + packageName 10300 + "/" + className); 10301 } 10302 // Allow root and verify that userId is not being specified by a different user 10303 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10304 throw new SecurityException( 10305 "Permission Denial: attempt to change component state from pid=" 10306 + Binder.getCallingPid() 10307 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10308 } 10309 if (className == null) { 10310 // We're dealing with an application/package level state change 10311 if (pkgSetting.getEnabled(userId) == newState) { 10312 // Nothing to do 10313 return; 10314 } 10315 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10316 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10317 // Don't care about who enables an app. 10318 callingPackage = null; 10319 } 10320 pkgSetting.setEnabled(newState, userId, callingPackage); 10321 // pkgSetting.pkg.mSetEnabled = newState; 10322 } else { 10323 // We're dealing with a component level state change 10324 // First, verify that this is a valid class name. 10325 PackageParser.Package pkg = pkgSetting.pkg; 10326 if (pkg == null || !pkg.hasComponentClassName(className)) { 10327 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10328 throw new IllegalArgumentException("Component class " + className 10329 + " does not exist in " + packageName); 10330 } else { 10331 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10332 + className + " does not exist in " + packageName); 10333 } 10334 } 10335 switch (newState) { 10336 case COMPONENT_ENABLED_STATE_ENABLED: 10337 if (!pkgSetting.enableComponentLPw(className, userId)) { 10338 return; 10339 } 10340 break; 10341 case COMPONENT_ENABLED_STATE_DISABLED: 10342 if (!pkgSetting.disableComponentLPw(className, userId)) { 10343 return; 10344 } 10345 break; 10346 case COMPONENT_ENABLED_STATE_DEFAULT: 10347 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10348 return; 10349 } 10350 break; 10351 default: 10352 Slog.e(TAG, "Invalid new component state: " + newState); 10353 return; 10354 } 10355 } 10356 mSettings.writePackageRestrictionsLPr(userId); 10357 components = mPendingBroadcasts.get(userId, packageName); 10358 final boolean newPackage = components == null; 10359 if (newPackage) { 10360 components = new ArrayList<String>(); 10361 } 10362 if (!components.contains(componentName)) { 10363 components.add(componentName); 10364 } 10365 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10366 sendNow = true; 10367 // Purge entry from pending broadcast list if another one exists already 10368 // since we are sending one right away. 10369 mPendingBroadcasts.remove(userId, packageName); 10370 } else { 10371 if (newPackage) { 10372 mPendingBroadcasts.put(userId, packageName, components); 10373 } 10374 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10375 // Schedule a message 10376 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10377 } 10378 } 10379 } 10380 10381 long callingId = Binder.clearCallingIdentity(); 10382 try { 10383 if (sendNow) { 10384 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10385 sendPackageChangedBroadcast(packageName, 10386 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10387 } 10388 } finally { 10389 Binder.restoreCallingIdentity(callingId); 10390 } 10391 } 10392 10393 private void sendPackageChangedBroadcast(String packageName, 10394 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10395 if (DEBUG_INSTALL) 10396 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10397 + componentNames); 10398 Bundle extras = new Bundle(4); 10399 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10400 String nameList[] = new String[componentNames.size()]; 10401 componentNames.toArray(nameList); 10402 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10403 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10404 extras.putInt(Intent.EXTRA_UID, packageUid); 10405 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10406 new int[] {UserHandle.getUserId(packageUid)}); 10407 } 10408 10409 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10410 if (!sUserManager.exists(userId)) return; 10411 final int uid = Binder.getCallingUid(); 10412 final int permission = mContext.checkCallingOrSelfPermission( 10413 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10414 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10415 enforceCrossUserPermission(uid, userId, true, "stop package"); 10416 // writer 10417 synchronized (mPackages) { 10418 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10419 uid, userId)) { 10420 scheduleWritePackageRestrictionsLocked(userId); 10421 } 10422 } 10423 } 10424 10425 public String getInstallerPackageName(String packageName) { 10426 // reader 10427 synchronized (mPackages) { 10428 return mSettings.getInstallerPackageNameLPr(packageName); 10429 } 10430 } 10431 10432 @Override 10433 public int getApplicationEnabledSetting(String packageName, int userId) { 10434 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10435 int uid = Binder.getCallingUid(); 10436 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10437 // reader 10438 synchronized (mPackages) { 10439 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10440 } 10441 } 10442 10443 @Override 10444 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10445 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10446 int uid = Binder.getCallingUid(); 10447 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10448 // reader 10449 synchronized (mPackages) { 10450 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10451 } 10452 } 10453 10454 public void enterSafeMode() { 10455 enforceSystemOrRoot("Only the system can request entering safe mode"); 10456 10457 if (!mSystemReady) { 10458 mSafeMode = true; 10459 } 10460 } 10461 10462 public void systemReady() { 10463 mSystemReady = true; 10464 10465 // Read the compatibilty setting when the system is ready. 10466 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10467 mContext.getContentResolver(), 10468 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10469 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10470 if (DEBUG_SETTINGS) { 10471 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10472 } 10473 10474 synchronized (mPackages) { 10475 // Verify that all of the preferred activity components actually 10476 // exist. It is possible for applications to be updated and at 10477 // that point remove a previously declared activity component that 10478 // had been set as a preferred activity. We try to clean this up 10479 // the next time we encounter that preferred activity, but it is 10480 // possible for the user flow to never be able to return to that 10481 // situation so here we do a sanity check to make sure we haven't 10482 // left any junk around. 10483 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10484 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10485 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10486 removed.clear(); 10487 for (PreferredActivity pa : pir.filterSet()) { 10488 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10489 removed.add(pa); 10490 } 10491 } 10492 if (removed.size() > 0) { 10493 for (int j=0; j<removed.size(); j++) { 10494 PreferredActivity pa = removed.get(i); 10495 Slog.w(TAG, "Removing dangling preferred activity: " 10496 + pa.mPref.mComponent); 10497 pir.removeFilter(pa); 10498 } 10499 mSettings.writePackageRestrictionsLPr( 10500 mSettings.mPreferredActivities.keyAt(i)); 10501 } 10502 } 10503 } 10504 sUserManager.systemReady(); 10505 } 10506 10507 public boolean isSafeMode() { 10508 return mSafeMode; 10509 } 10510 10511 public boolean hasSystemUidErrors() { 10512 return mHasSystemUidErrors; 10513 } 10514 10515 static String arrayToString(int[] array) { 10516 StringBuffer buf = new StringBuffer(128); 10517 buf.append('['); 10518 if (array != null) { 10519 for (int i=0; i<array.length; i++) { 10520 if (i > 0) buf.append(", "); 10521 buf.append(array[i]); 10522 } 10523 } 10524 buf.append(']'); 10525 return buf.toString(); 10526 } 10527 10528 static class DumpState { 10529 public static final int DUMP_LIBS = 1 << 0; 10530 10531 public static final int DUMP_FEATURES = 1 << 1; 10532 10533 public static final int DUMP_RESOLVERS = 1 << 2; 10534 10535 public static final int DUMP_PERMISSIONS = 1 << 3; 10536 10537 public static final int DUMP_PACKAGES = 1 << 4; 10538 10539 public static final int DUMP_SHARED_USERS = 1 << 5; 10540 10541 public static final int DUMP_MESSAGES = 1 << 6; 10542 10543 public static final int DUMP_PROVIDERS = 1 << 7; 10544 10545 public static final int DUMP_VERIFIERS = 1 << 8; 10546 10547 public static final int DUMP_PREFERRED = 1 << 9; 10548 10549 public static final int DUMP_PREFERRED_XML = 1 << 10; 10550 10551 public static final int DUMP_KEYSETS = 1 << 11; 10552 10553 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10554 10555 private int mTypes; 10556 10557 private int mOptions; 10558 10559 private boolean mTitlePrinted; 10560 10561 private SharedUserSetting mSharedUser; 10562 10563 public boolean isDumping(int type) { 10564 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10565 return true; 10566 } 10567 10568 return (mTypes & type) != 0; 10569 } 10570 10571 public void setDump(int type) { 10572 mTypes |= type; 10573 } 10574 10575 public boolean isOptionEnabled(int option) { 10576 return (mOptions & option) != 0; 10577 } 10578 10579 public void setOptionEnabled(int option) { 10580 mOptions |= option; 10581 } 10582 10583 public boolean onTitlePrinted() { 10584 final boolean printed = mTitlePrinted; 10585 mTitlePrinted = true; 10586 return printed; 10587 } 10588 10589 public boolean getTitlePrinted() { 10590 return mTitlePrinted; 10591 } 10592 10593 public void setTitlePrinted(boolean enabled) { 10594 mTitlePrinted = enabled; 10595 } 10596 10597 public SharedUserSetting getSharedUser() { 10598 return mSharedUser; 10599 } 10600 10601 public void setSharedUser(SharedUserSetting user) { 10602 mSharedUser = user; 10603 } 10604 } 10605 10606 @Override 10607 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10608 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10609 != PackageManager.PERMISSION_GRANTED) { 10610 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10611 + Binder.getCallingPid() 10612 + ", uid=" + Binder.getCallingUid() 10613 + " without permission " 10614 + android.Manifest.permission.DUMP); 10615 return; 10616 } 10617 10618 DumpState dumpState = new DumpState(); 10619 boolean fullPreferred = false; 10620 10621 String packageName = null; 10622 10623 int opti = 0; 10624 while (opti < args.length) { 10625 String opt = args[opti]; 10626 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10627 break; 10628 } 10629 opti++; 10630 if ("-a".equals(opt)) { 10631 // Right now we only know how to print all. 10632 } else if ("-h".equals(opt)) { 10633 pw.println("Package manager dump options:"); 10634 pw.println(" [-h] [-f] [cmd] ..."); 10635 pw.println(" -f: print details of intent filters"); 10636 pw.println(" -h: print this help"); 10637 pw.println(" cmd may be one of:"); 10638 pw.println(" l[ibraries]: list known shared libraries"); 10639 pw.println(" f[ibraries]: list device features"); 10640 pw.println(" r[esolvers]: dump intent resolvers"); 10641 pw.println(" perm[issions]: dump permissions"); 10642 pw.println(" pref[erred]: print preferred package settings"); 10643 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10644 pw.println(" prov[iders]: dump content providers"); 10645 pw.println(" p[ackages]: dump installed packages"); 10646 pw.println(" s[hared-users]: dump shared user IDs"); 10647 pw.println(" m[essages]: print collected runtime messages"); 10648 pw.println(" v[erifiers]: print package verifier info"); 10649 pw.println(" <package.name>: info about given package"); 10650 pw.println(" k[eysets]: print known keysets"); 10651 return; 10652 } else if ("-f".equals(opt)) { 10653 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10654 } else { 10655 pw.println("Unknown argument: " + opt + "; use -h for help"); 10656 } 10657 } 10658 10659 // Is the caller requesting to dump a particular piece of data? 10660 if (opti < args.length) { 10661 String cmd = args[opti]; 10662 opti++; 10663 // Is this a package name? 10664 if ("android".equals(cmd) || cmd.contains(".")) { 10665 packageName = cmd; 10666 // When dumping a single package, we always dump all of its 10667 // filter information since the amount of data will be reasonable. 10668 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10669 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10670 dumpState.setDump(DumpState.DUMP_LIBS); 10671 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10672 dumpState.setDump(DumpState.DUMP_FEATURES); 10673 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10674 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10675 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10676 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10677 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10678 dumpState.setDump(DumpState.DUMP_PREFERRED); 10679 } else if ("preferred-xml".equals(cmd)) { 10680 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10681 if (opti < args.length && "--full".equals(args[opti])) { 10682 fullPreferred = true; 10683 opti++; 10684 } 10685 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10686 dumpState.setDump(DumpState.DUMP_PACKAGES); 10687 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10688 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10689 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10690 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10691 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10692 dumpState.setDump(DumpState.DUMP_MESSAGES); 10693 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10694 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10695 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10696 dumpState.setDump(DumpState.DUMP_KEYSETS); 10697 } 10698 } 10699 10700 // reader 10701 synchronized (mPackages) { 10702 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10703 if (dumpState.onTitlePrinted()) 10704 pw.println(); 10705 pw.println("Verifiers:"); 10706 pw.print(" Required: "); 10707 pw.print(mRequiredVerifierPackage); 10708 pw.print(" (uid="); 10709 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10710 pw.println(")"); 10711 } 10712 10713 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 10714 boolean printedHeader = false; 10715 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 10716 while (it.hasNext()) { 10717 String name = it.next(); 10718 SharedLibraryEntry ent = mSharedLibraries.get(name); 10719 if (!printedHeader) { 10720 if (dumpState.onTitlePrinted()) 10721 pw.println(); 10722 pw.println("Libraries:"); 10723 printedHeader = true; 10724 } 10725 pw.print(" "); 10726 pw.print(name); 10727 pw.print(" -> "); 10728 if (ent.path != null) { 10729 pw.print("(jar) "); 10730 pw.print(ent.path); 10731 } else { 10732 pw.print("(apk) "); 10733 pw.print(ent.apk); 10734 } 10735 pw.println(); 10736 } 10737 } 10738 10739 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 10740 if (dumpState.onTitlePrinted()) 10741 pw.println(); 10742 pw.println("Features:"); 10743 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 10744 while (it.hasNext()) { 10745 String name = it.next(); 10746 pw.print(" "); 10747 pw.println(name); 10748 } 10749 } 10750 10751 if (dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 10752 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 10753 : "Activity Resolver Table:", " ", packageName, 10754 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10755 dumpState.setTitlePrinted(true); 10756 } 10757 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 10758 : "Receiver Resolver Table:", " ", packageName, 10759 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10760 dumpState.setTitlePrinted(true); 10761 } 10762 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 10763 : "Service Resolver Table:", " ", packageName, 10764 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10765 dumpState.setTitlePrinted(true); 10766 } 10767 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 10768 : "Provider Resolver Table:", " ", packageName, 10769 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10770 dumpState.setTitlePrinted(true); 10771 } 10772 } 10773 10774 if (dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 10775 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10776 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10777 int user = mSettings.mPreferredActivities.keyAt(i); 10778 if (pir.dump(pw, 10779 dumpState.getTitlePrinted() 10780 ? "\nPreferred Activities User " + user + ":" 10781 : "Preferred Activities User " + user + ":", " ", 10782 packageName, true)) { 10783 dumpState.setTitlePrinted(true); 10784 } 10785 } 10786 } 10787 10788 if (dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 10789 pw.flush(); 10790 FileOutputStream fout = new FileOutputStream(fd); 10791 BufferedOutputStream str = new BufferedOutputStream(fout); 10792 XmlSerializer serializer = new FastXmlSerializer(); 10793 try { 10794 serializer.setOutput(str, "utf-8"); 10795 serializer.startDocument(null, true); 10796 serializer.setFeature( 10797 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 10798 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 10799 serializer.endDocument(); 10800 serializer.flush(); 10801 } catch (IllegalArgumentException e) { 10802 pw.println("Failed writing: " + e); 10803 } catch (IllegalStateException e) { 10804 pw.println("Failed writing: " + e); 10805 } catch (IOException e) { 10806 pw.println("Failed writing: " + e); 10807 } 10808 } 10809 10810 if (dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 10811 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 10812 } 10813 10814 if (dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 10815 boolean printedSomething = false; 10816 for (PackageParser.Provider p : mProviders.mProviders.values()) { 10817 if (packageName != null && !packageName.equals(p.info.packageName)) { 10818 continue; 10819 } 10820 if (!printedSomething) { 10821 if (dumpState.onTitlePrinted()) 10822 pw.println(); 10823 pw.println("Registered ContentProviders:"); 10824 printedSomething = true; 10825 } 10826 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 10827 pw.print(" "); pw.println(p.toString()); 10828 } 10829 printedSomething = false; 10830 for (Map.Entry<String, PackageParser.Provider> entry : 10831 mProvidersByAuthority.entrySet()) { 10832 PackageParser.Provider p = entry.getValue(); 10833 if (packageName != null && !packageName.equals(p.info.packageName)) { 10834 continue; 10835 } 10836 if (!printedSomething) { 10837 if (dumpState.onTitlePrinted()) 10838 pw.println(); 10839 pw.println("ContentProvider Authorities:"); 10840 printedSomething = true; 10841 } 10842 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 10843 pw.print(" "); pw.println(p.toString()); 10844 if (p.info != null && p.info.applicationInfo != null) { 10845 final String appInfo = p.info.applicationInfo.toString(); 10846 pw.print(" applicationInfo="); pw.println(appInfo); 10847 } 10848 } 10849 } 10850 10851 if (dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 10852 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 10853 } 10854 10855 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 10856 mSettings.dumpPackagesLPr(pw, packageName, dumpState); 10857 } 10858 10859 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 10860 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 10861 } 10862 10863 if (dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 10864 if (dumpState.onTitlePrinted()) 10865 pw.println(); 10866 mSettings.dumpReadMessagesLPr(pw, dumpState); 10867 10868 pw.println(); 10869 pw.println("Package warning messages:"); 10870 final File fname = getSettingsProblemFile(); 10871 FileInputStream in = null; 10872 try { 10873 in = new FileInputStream(fname); 10874 final int avail = in.available(); 10875 final byte[] data = new byte[avail]; 10876 in.read(data); 10877 pw.print(new String(data)); 10878 } catch (FileNotFoundException e) { 10879 } catch (IOException e) { 10880 } finally { 10881 if (in != null) { 10882 try { 10883 in.close(); 10884 } catch (IOException e) { 10885 } 10886 } 10887 } 10888 } 10889 } 10890 } 10891 10892 // ------- apps on sdcard specific code ------- 10893 static final boolean DEBUG_SD_INSTALL = false; 10894 10895 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 10896 10897 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 10898 10899 private boolean mMediaMounted = false; 10900 10901 private String getEncryptKey() { 10902 try { 10903 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 10904 SD_ENCRYPTION_KEYSTORE_NAME); 10905 if (sdEncKey == null) { 10906 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 10907 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 10908 if (sdEncKey == null) { 10909 Slog.e(TAG, "Failed to create encryption keys"); 10910 return null; 10911 } 10912 } 10913 return sdEncKey; 10914 } catch (NoSuchAlgorithmException nsae) { 10915 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 10916 return null; 10917 } catch (IOException ioe) { 10918 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 10919 return null; 10920 } 10921 10922 } 10923 10924 /* package */static String getTempContainerId() { 10925 int tmpIdx = 1; 10926 String list[] = PackageHelper.getSecureContainerList(); 10927 if (list != null) { 10928 for (final String name : list) { 10929 // Ignore null and non-temporary container entries 10930 if (name == null || !name.startsWith(mTempContainerPrefix)) { 10931 continue; 10932 } 10933 10934 String subStr = name.substring(mTempContainerPrefix.length()); 10935 try { 10936 int cid = Integer.parseInt(subStr); 10937 if (cid >= tmpIdx) { 10938 tmpIdx = cid + 1; 10939 } 10940 } catch (NumberFormatException e) { 10941 } 10942 } 10943 } 10944 return mTempContainerPrefix + tmpIdx; 10945 } 10946 10947 /* 10948 * Update media status on PackageManager. 10949 */ 10950 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 10951 int callingUid = Binder.getCallingUid(); 10952 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 10953 throw new SecurityException("Media status can only be updated by the system"); 10954 } 10955 // reader; this apparently protects mMediaMounted, but should probably 10956 // be a different lock in that case. 10957 synchronized (mPackages) { 10958 Log.i(TAG, "Updating external media status from " 10959 + (mMediaMounted ? "mounted" : "unmounted") + " to " 10960 + (mediaStatus ? "mounted" : "unmounted")); 10961 if (DEBUG_SD_INSTALL) 10962 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 10963 + ", mMediaMounted=" + mMediaMounted); 10964 if (mediaStatus == mMediaMounted) { 10965 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 10966 : 0, -1); 10967 mHandler.sendMessage(msg); 10968 return; 10969 } 10970 mMediaMounted = mediaStatus; 10971 } 10972 // Queue up an async operation since the package installation may take a 10973 // little while. 10974 mHandler.post(new Runnable() { 10975 public void run() { 10976 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 10977 } 10978 }); 10979 } 10980 10981 /** 10982 * Called by MountService when the initial ASECs to scan are available. 10983 * Should block until all the ASEC containers are finished being scanned. 10984 */ 10985 public void scanAvailableAsecs() { 10986 updateExternalMediaStatusInner(true, false, false); 10987 } 10988 10989 /* 10990 * Collect information of applications on external media, map them against 10991 * existing containers and update information based on current mount status. 10992 * Please note that we always have to report status if reportStatus has been 10993 * set to true especially when unloading packages. 10994 */ 10995 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 10996 boolean externalStorage) { 10997 // Collection of uids 10998 int uidArr[] = null; 10999 // Collection of stale containers 11000 HashSet<String> removeCids = new HashSet<String>(); 11001 // Collection of packages on external media with valid containers. 11002 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11003 // Get list of secure containers. 11004 final String list[] = PackageHelper.getSecureContainerList(); 11005 if (list == null || list.length == 0) { 11006 Log.i(TAG, "No secure containers on sdcard"); 11007 } else { 11008 // Process list of secure containers and categorize them 11009 // as active or stale based on their package internal state. 11010 int uidList[] = new int[list.length]; 11011 int num = 0; 11012 // reader 11013 synchronized (mPackages) { 11014 for (String cid : list) { 11015 if (DEBUG_SD_INSTALL) 11016 Log.i(TAG, "Processing container " + cid); 11017 String pkgName = getAsecPackageName(cid); 11018 if (pkgName == null) { 11019 if (DEBUG_SD_INSTALL) 11020 Log.i(TAG, "Container : " + cid + " stale"); 11021 removeCids.add(cid); 11022 continue; 11023 } 11024 if (DEBUG_SD_INSTALL) 11025 Log.i(TAG, "Looking for pkg : " + pkgName); 11026 11027 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11028 if (ps == null) { 11029 Log.i(TAG, "Deleting container with no matching settings " + cid); 11030 removeCids.add(cid); 11031 continue; 11032 } 11033 11034 /* 11035 * Skip packages that are not external if we're unmounting 11036 * external storage. 11037 */ 11038 if (externalStorage && !isMounted && !isExternal(ps)) { 11039 continue; 11040 } 11041 11042 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11043 // The package status is changed only if the code path 11044 // matches between settings and the container id. 11045 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11046 if (DEBUG_SD_INSTALL) { 11047 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11048 + " at code path: " + ps.codePathString); 11049 } 11050 11051 // We do have a valid package installed on sdcard 11052 processCids.put(args, ps.codePathString); 11053 final int uid = ps.appId; 11054 if (uid != -1) { 11055 uidList[num++] = uid; 11056 } 11057 } else { 11058 Log.i(TAG, "Deleting stale container for " + cid); 11059 removeCids.add(cid); 11060 } 11061 } 11062 } 11063 11064 if (num > 0) { 11065 // Sort uid list 11066 Arrays.sort(uidList, 0, num); 11067 // Throw away duplicates 11068 uidArr = new int[num]; 11069 uidArr[0] = uidList[0]; 11070 int di = 0; 11071 for (int i = 1; i < num; i++) { 11072 if (uidList[i - 1] != uidList[i]) { 11073 uidArr[di++] = uidList[i]; 11074 } 11075 } 11076 } 11077 } 11078 // Process packages with valid entries. 11079 if (isMounted) { 11080 if (DEBUG_SD_INSTALL) 11081 Log.i(TAG, "Loading packages"); 11082 loadMediaPackages(processCids, uidArr, removeCids); 11083 startCleaningPackages(); 11084 } else { 11085 if (DEBUG_SD_INSTALL) 11086 Log.i(TAG, "Unloading packages"); 11087 unloadMediaPackages(processCids, uidArr, reportStatus); 11088 } 11089 } 11090 11091 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11092 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11093 int size = pkgList.size(); 11094 if (size > 0) { 11095 // Send broadcasts here 11096 Bundle extras = new Bundle(); 11097 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11098 .toArray(new String[size])); 11099 if (uidArr != null) { 11100 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11101 } 11102 if (replacing && !mediaStatus) { 11103 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11104 } 11105 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11106 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11107 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11108 } 11109 } 11110 11111 /* 11112 * Look at potentially valid container ids from processCids If package 11113 * information doesn't match the one on record or package scanning fails, 11114 * the cid is added to list of removeCids. We currently don't delete stale 11115 * containers. 11116 */ 11117 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11118 HashSet<String> removeCids) { 11119 ArrayList<String> pkgList = new ArrayList<String>(); 11120 Set<AsecInstallArgs> keys = processCids.keySet(); 11121 boolean doGc = false; 11122 for (AsecInstallArgs args : keys) { 11123 String codePath = processCids.get(args); 11124 if (DEBUG_SD_INSTALL) 11125 Log.i(TAG, "Loading container : " + args.cid); 11126 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11127 try { 11128 // Make sure there are no container errors first. 11129 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11130 Slog.e(TAG, "Failed to mount cid : " + args.cid 11131 + " when installing from sdcard"); 11132 continue; 11133 } 11134 // Check code path here. 11135 if (codePath == null || !codePath.equals(args.getCodePath())) { 11136 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11137 + " does not match one in settings " + codePath); 11138 continue; 11139 } 11140 // Parse package 11141 int parseFlags = mDefParseFlags; 11142 if (args.isExternal()) { 11143 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11144 } 11145 if (args.isFwdLocked()) { 11146 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11147 } 11148 11149 doGc = true; 11150 synchronized (mInstallLock) { 11151 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11152 0, 0, null); 11153 // Scan the package 11154 if (pkg != null) { 11155 /* 11156 * TODO why is the lock being held? doPostInstall is 11157 * called in other places without the lock. This needs 11158 * to be straightened out. 11159 */ 11160 // writer 11161 synchronized (mPackages) { 11162 retCode = PackageManager.INSTALL_SUCCEEDED; 11163 pkgList.add(pkg.packageName); 11164 // Post process args 11165 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11166 pkg.applicationInfo.uid); 11167 } 11168 } else { 11169 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11170 } 11171 } 11172 11173 } finally { 11174 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11175 // Don't destroy container here. Wait till gc clears things 11176 // up. 11177 removeCids.add(args.cid); 11178 } 11179 } 11180 } 11181 // writer 11182 synchronized (mPackages) { 11183 // If the platform SDK has changed since the last time we booted, 11184 // we need to re-grant app permission to catch any new ones that 11185 // appear. This is really a hack, and means that apps can in some 11186 // cases get permissions that the user didn't initially explicitly 11187 // allow... it would be nice to have some better way to handle 11188 // this situation. 11189 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11190 if (regrantPermissions) 11191 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11192 + mSdkVersion + "; regranting permissions for external storage"); 11193 mSettings.mExternalSdkPlatform = mSdkVersion; 11194 11195 // Make sure group IDs have been assigned, and any permission 11196 // changes in other apps are accounted for 11197 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11198 | (regrantPermissions 11199 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11200 : 0)); 11201 // can downgrade to reader 11202 // Persist settings 11203 mSettings.writeLPr(); 11204 } 11205 // Send a broadcast to let everyone know we are done processing 11206 if (pkgList.size() > 0) { 11207 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11208 } 11209 // Force gc to avoid any stale parser references that we might have. 11210 if (doGc) { 11211 Runtime.getRuntime().gc(); 11212 } 11213 // List stale containers and destroy stale temporary containers. 11214 if (removeCids != null) { 11215 for (String cid : removeCids) { 11216 if (cid.startsWith(mTempContainerPrefix)) { 11217 Log.i(TAG, "Destroying stale temporary container " + cid); 11218 PackageHelper.destroySdDir(cid); 11219 } else { 11220 Log.w(TAG, "Container " + cid + " is stale"); 11221 } 11222 } 11223 } 11224 } 11225 11226 /* 11227 * Utility method to unload a list of specified containers 11228 */ 11229 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11230 // Just unmount all valid containers. 11231 for (AsecInstallArgs arg : cidArgs) { 11232 synchronized (mInstallLock) { 11233 arg.doPostDeleteLI(false); 11234 } 11235 } 11236 } 11237 11238 /* 11239 * Unload packages mounted on external media. This involves deleting package 11240 * data from internal structures, sending broadcasts about diabled packages, 11241 * gc'ing to free up references, unmounting all secure containers 11242 * corresponding to packages on external media, and posting a 11243 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11244 * that we always have to post this message if status has been requested no 11245 * matter what. 11246 */ 11247 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11248 final boolean reportStatus) { 11249 if (DEBUG_SD_INSTALL) 11250 Log.i(TAG, "unloading media packages"); 11251 ArrayList<String> pkgList = new ArrayList<String>(); 11252 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11253 final Set<AsecInstallArgs> keys = processCids.keySet(); 11254 for (AsecInstallArgs args : keys) { 11255 String pkgName = args.getPackageName(); 11256 if (DEBUG_SD_INSTALL) 11257 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11258 // Delete package internally 11259 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11260 synchronized (mInstallLock) { 11261 boolean res = deletePackageLI(pkgName, null, false, null, null, 11262 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11263 if (res) { 11264 pkgList.add(pkgName); 11265 } else { 11266 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11267 failedList.add(args); 11268 } 11269 } 11270 } 11271 11272 // reader 11273 synchronized (mPackages) { 11274 // We didn't update the settings after removing each package; 11275 // write them now for all packages. 11276 mSettings.writeLPr(); 11277 } 11278 11279 // We have to absolutely send UPDATED_MEDIA_STATUS only 11280 // after confirming that all the receivers processed the ordered 11281 // broadcast when packages get disabled, force a gc to clean things up. 11282 // and unload all the containers. 11283 if (pkgList.size() > 0) { 11284 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11285 new IIntentReceiver.Stub() { 11286 public void performReceive(Intent intent, int resultCode, String data, 11287 Bundle extras, boolean ordered, boolean sticky, 11288 int sendingUser) throws RemoteException { 11289 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11290 reportStatus ? 1 : 0, 1, keys); 11291 mHandler.sendMessage(msg); 11292 } 11293 }); 11294 } else { 11295 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11296 keys); 11297 mHandler.sendMessage(msg); 11298 } 11299 } 11300 11301 /** Binder call */ 11302 @Override 11303 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11304 final int flags) { 11305 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11306 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11307 int returnCode = PackageManager.MOVE_SUCCEEDED; 11308 int currFlags = 0; 11309 int newFlags = 0; 11310 // reader 11311 synchronized (mPackages) { 11312 PackageParser.Package pkg = mPackages.get(packageName); 11313 if (pkg == null) { 11314 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11315 } else { 11316 // Disable moving fwd locked apps and system packages 11317 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11318 Slog.w(TAG, "Cannot move system application"); 11319 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11320 } else if (pkg.mOperationPending) { 11321 Slog.w(TAG, "Attempt to move package which has pending operations"); 11322 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11323 } else { 11324 // Find install location first 11325 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11326 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11327 Slog.w(TAG, "Ambigous flags specified for move location."); 11328 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11329 } else { 11330 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11331 : PackageManager.INSTALL_INTERNAL; 11332 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11333 : PackageManager.INSTALL_INTERNAL; 11334 11335 if (newFlags == currFlags) { 11336 Slog.w(TAG, "No move required. Trying to move to same location"); 11337 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11338 } else { 11339 if (isForwardLocked(pkg)) { 11340 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11341 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11342 } 11343 } 11344 } 11345 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11346 pkg.mOperationPending = true; 11347 } 11348 } 11349 } 11350 11351 /* 11352 * TODO this next block probably shouldn't be inside the lock. We 11353 * can't guarantee these won't change after this is fired off 11354 * anyway. 11355 */ 11356 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11357 processPendingMove(new MoveParams(null, observer, 0, packageName, 11358 null, -1, user), 11359 returnCode); 11360 } else { 11361 Message msg = mHandler.obtainMessage(INIT_COPY); 11362 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11363 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11364 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11365 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11366 msg.obj = mp; 11367 mHandler.sendMessage(msg); 11368 } 11369 } 11370 } 11371 11372 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11373 // Queue up an async operation since the package deletion may take a 11374 // little while. 11375 mHandler.post(new Runnable() { 11376 public void run() { 11377 // TODO fix this; this does nothing. 11378 mHandler.removeCallbacks(this); 11379 int returnCode = currentStatus; 11380 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11381 int uidArr[] = null; 11382 ArrayList<String> pkgList = null; 11383 synchronized (mPackages) { 11384 PackageParser.Package pkg = mPackages.get(mp.packageName); 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(pkg.applicationInfo.sourceDir)) { 11390 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11391 + mp.srcArgs.getCodePath() + " to " 11392 + pkg.applicationInfo.sourceDir 11393 + " Aborting move and returning error"); 11394 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11395 } else { 11396 uidArr = new int[] { 11397 pkg.applicationInfo.uid 11398 }; 11399 pkgList = new ArrayList<String>(); 11400 pkgList.add(mp.packageName); 11401 } 11402 } 11403 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11404 // Send resources unavailable broadcast 11405 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11406 // Update package code and resource paths 11407 synchronized (mInstallLock) { 11408 synchronized (mPackages) { 11409 PackageParser.Package pkg = mPackages.get(mp.packageName); 11410 // Recheck for package again. 11411 if (pkg == null) { 11412 Slog.w(TAG, " Package " + mp.packageName 11413 + " doesn't exist. Aborting move"); 11414 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11415 } else if (!mp.srcArgs.getCodePath().equals( 11416 pkg.applicationInfo.sourceDir)) { 11417 Slog.w(TAG, "Package " + mp.packageName 11418 + " code path changed from " + mp.srcArgs.getCodePath() 11419 + " to " + pkg.applicationInfo.sourceDir 11420 + " Aborting move and returning error"); 11421 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11422 } else { 11423 final String oldCodePath = pkg.mPath; 11424 final String newCodePath = mp.targetArgs.getCodePath(); 11425 final String newResPath = mp.targetArgs.getResourcePath(); 11426 final String newNativePath = mp.targetArgs 11427 .getNativeLibraryPath(); 11428 11429 final File newNativeDir = new File(newNativePath); 11430 11431 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11432 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11433 new File(newCodePath), newNativeDir); 11434 } 11435 final int[] users = sUserManager.getUserIds(); 11436 for (int user : users) { 11437 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11438 newNativePath, user) < 0) { 11439 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11440 } 11441 } 11442 11443 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11444 pkg.mPath = newCodePath; 11445 // Move dex files around 11446 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11447 // Moving of dex files failed. Set 11448 // error code and abort move. 11449 pkg.mPath = pkg.mScanPath; 11450 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11451 } 11452 } 11453 11454 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11455 pkg.mScanPath = newCodePath; 11456 pkg.applicationInfo.sourceDir = newCodePath; 11457 pkg.applicationInfo.publicSourceDir = newResPath; 11458 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11459 PackageSetting ps = (PackageSetting) pkg.mExtras; 11460 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11461 ps.codePathString = ps.codePath.getPath(); 11462 ps.resourcePath = new File( 11463 pkg.applicationInfo.publicSourceDir); 11464 ps.resourcePathString = ps.resourcePath.getPath(); 11465 ps.nativeLibraryPathString = newNativePath; 11466 // Set the application info flag 11467 // correctly. 11468 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11469 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11470 } else { 11471 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11472 } 11473 ps.setFlags(pkg.applicationInfo.flags); 11474 mAppDirs.remove(oldCodePath); 11475 mAppDirs.put(newCodePath, pkg); 11476 // Persist settings 11477 mSettings.writeLPr(); 11478 } 11479 } 11480 } 11481 } 11482 // Send resources available broadcast 11483 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11484 } 11485 } 11486 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11487 // Clean up failed installation 11488 if (mp.targetArgs != null) { 11489 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11490 -1); 11491 } 11492 } else { 11493 // Force a gc to clear things up. 11494 Runtime.getRuntime().gc(); 11495 // Delete older code 11496 synchronized (mInstallLock) { 11497 mp.srcArgs.doPostDeleteLI(true); 11498 } 11499 } 11500 11501 // Allow more operations on this file if we didn't fail because 11502 // an operation was already pending for this package. 11503 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11504 synchronized (mPackages) { 11505 PackageParser.Package pkg = mPackages.get(mp.packageName); 11506 if (pkg != null) { 11507 pkg.mOperationPending = false; 11508 } 11509 } 11510 } 11511 11512 IPackageMoveObserver observer = mp.observer; 11513 if (observer != null) { 11514 try { 11515 observer.packageMoved(mp.packageName, returnCode); 11516 } catch (RemoteException e) { 11517 Log.i(TAG, "Observer no longer exists."); 11518 } 11519 } 11520 } 11521 }); 11522 } 11523 11524 public boolean setInstallLocation(int loc) { 11525 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11526 null); 11527 if (getInstallLocation() == loc) { 11528 return true; 11529 } 11530 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11531 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11532 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11533 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11534 return true; 11535 } 11536 return false; 11537 } 11538 11539 public int getInstallLocation() { 11540 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11541 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11542 PackageHelper.APP_INSTALL_AUTO); 11543 } 11544 11545 /** Called by UserManagerService */ 11546 void cleanUpUserLILPw(int userHandle) { 11547 mDirtyUsers.remove(userHandle); 11548 mSettings.removeUserLPr(userHandle); 11549 mPendingBroadcasts.remove(userHandle); 11550 if (mInstaller != null) { 11551 // Technically, we shouldn't be doing this with the package lock 11552 // held. However, this is very rare, and there is already so much 11553 // other disk I/O going on, that we'll let it slide for now. 11554 mInstaller.removeUserDataDirs(userHandle); 11555 } 11556 } 11557 11558 /** Called by UserManagerService */ 11559 void createNewUserLILPw(int userHandle, File path) { 11560 if (mInstaller != null) { 11561 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11562 } 11563 } 11564 11565 @Override 11566 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11567 mContext.enforceCallingOrSelfPermission( 11568 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11569 "Only package verification agents can read the verifier device identity"); 11570 11571 synchronized (mPackages) { 11572 return mSettings.getVerifierDeviceIdentityLPw(); 11573 } 11574 } 11575 11576 @Override 11577 public void setPermissionEnforced(String permission, boolean enforced) { 11578 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11579 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11580 synchronized (mPackages) { 11581 if (mSettings.mReadExternalStorageEnforced == null 11582 || mSettings.mReadExternalStorageEnforced != enforced) { 11583 mSettings.mReadExternalStorageEnforced = enforced; 11584 mSettings.writeLPr(); 11585 } 11586 } 11587 // kill any non-foreground processes so we restart them and 11588 // grant/revoke the GID. 11589 final IActivityManager am = ActivityManagerNative.getDefault(); 11590 if (am != null) { 11591 final long token = Binder.clearCallingIdentity(); 11592 try { 11593 am.killProcessesBelowForeground("setPermissionEnforcement"); 11594 } catch (RemoteException e) { 11595 } finally { 11596 Binder.restoreCallingIdentity(token); 11597 } 11598 } 11599 } else { 11600 throw new IllegalArgumentException("No selective enforcement for " + permission); 11601 } 11602 } 11603 11604 @Override 11605 @Deprecated 11606 public boolean isPermissionEnforced(String permission) { 11607 return true; 11608 } 11609 11610 @Override 11611 public boolean isStorageLow() { 11612 final long token = Binder.clearCallingIdentity(); 11613 try { 11614 final DeviceStorageMonitorInternal 11615 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11616 if (dsm != null) { 11617 return dsm.isMemoryLow(); 11618 } else { 11619 return false; 11620 } 11621 } finally { 11622 Binder.restoreCallingIdentity(token); 11623 } 11624 } 11625} 11626