PackageManagerService.java revision 3a951e52d93697b7e232501b78f9ffb0ec605516
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 android.system.OsConstants.S_IRWXU; 27import static android.system.OsConstants.S_IRGRP; 28import static android.system.OsConstants.S_IXGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IXOTH; 31import static com.android.internal.util.ArrayUtils.appendInt; 32import static com.android.internal.util.ArrayUtils.removeInt; 33 34import android.content.pm.PackageParser.*; 35import com.android.internal.app.IMediaContainerService; 36import com.android.internal.app.ResolverActivity; 37import com.android.internal.content.NativeLibraryHelper; 38import com.android.internal.content.PackageHelper; 39import com.android.internal.util.FastPrintWriter; 40import com.android.internal.util.FastXmlSerializer; 41import com.android.internal.util.XmlUtils; 42import com.android.server.EventLogTags; 43import com.android.server.IntentResolver; 44import com.android.server.ServiceThread; 45 46import com.android.server.LocalServices; 47import com.android.server.Watchdog; 48import org.xmlpull.v1.XmlPullParser; 49import org.xmlpull.v1.XmlPullParserException; 50import org.xmlpull.v1.XmlSerializer; 51 52import android.app.ActivityManager; 53import android.app.ActivityManagerNative; 54import android.app.IActivityManager; 55import android.app.admin.IDevicePolicyManager; 56import android.app.backup.IBackupManager; 57import android.content.BroadcastReceiver; 58import android.content.ComponentName; 59import android.content.Context; 60import android.content.IIntentReceiver; 61import android.content.Intent; 62import android.content.IntentFilter; 63import android.content.IntentSender; 64import android.content.IntentSender.SendIntentException; 65import android.content.ServiceConnection; 66import android.content.pm.ActivityInfo; 67import android.content.pm.ApplicationInfo; 68import android.content.pm.ContainerEncryptionParams; 69import android.content.pm.FeatureInfo; 70import android.content.pm.IPackageDataObserver; 71import android.content.pm.IPackageDeleteObserver; 72import android.content.pm.IPackageInstallObserver; 73import android.content.pm.IPackageManager; 74import android.content.pm.IPackageMoveObserver; 75import android.content.pm.IPackageStatsObserver; 76import android.content.pm.InstrumentationInfo; 77import android.content.pm.ManifestDigest; 78import android.content.pm.PackageCleanItem; 79import android.content.pm.PackageInfo; 80import android.content.pm.PackageInfoLite; 81import android.content.pm.PackageManager; 82import android.content.pm.PackageParser; 83import android.content.pm.PackageStats; 84import android.content.pm.PackageUserState; 85import android.content.pm.ParceledListSlice; 86import android.content.pm.PermissionGroupInfo; 87import android.content.pm.PermissionInfo; 88import android.content.pm.ProviderInfo; 89import android.content.pm.ResolveInfo; 90import android.content.pm.ServiceInfo; 91import android.content.pm.Signature; 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.Environment.UserEnvironment; 103import android.os.FileObserver; 104import android.os.FileUtils; 105import android.os.Handler; 106import android.os.HandlerThread; 107import android.os.IBinder; 108import android.os.Looper; 109import android.os.Message; 110import android.os.Parcel; 111import android.os.ParcelFileDescriptor; 112import android.os.Process; 113import android.os.RemoteException; 114import android.os.SELinux; 115import android.os.ServiceManager; 116import android.os.SystemClock; 117import android.os.SystemProperties; 118import android.os.UserHandle; 119import android.os.UserManager; 120import android.security.KeyStore; 121import android.security.SystemKeyStore; 122import android.system.ErrnoException; 123import android.system.Os; 124import android.system.StructStat; 125import android.text.TextUtils; 126import android.util.DisplayMetrics; 127import android.util.EventLog; 128import android.util.Log; 129import android.util.LogPrinter; 130import android.util.PrintStreamPrinter; 131import android.util.Slog; 132import android.util.SparseArray; 133import android.util.Xml; 134import android.view.Display; 135 136import java.io.BufferedOutputStream; 137import java.io.File; 138import java.io.FileDescriptor; 139import java.io.FileInputStream; 140import java.io.FileNotFoundException; 141import java.io.FileOutputStream; 142import java.io.FileReader; 143import java.io.FilenameFilter; 144import java.io.IOException; 145import java.io.PrintWriter; 146import java.security.NoSuchAlgorithmException; 147import java.security.PublicKey; 148import java.security.cert.CertificateException; 149import java.text.SimpleDateFormat; 150import java.util.ArrayList; 151import java.util.Arrays; 152import java.util.Collection; 153import java.util.Collections; 154import java.util.Comparator; 155import java.util.Date; 156import java.util.HashMap; 157import java.util.HashSet; 158import java.util.Iterator; 159import java.util.List; 160import java.util.Map; 161import java.util.Set; 162 163import dalvik.system.VMRuntime; 164import libcore.io.IoUtils; 165 166import com.android.internal.R; 167import com.android.server.storage.DeviceStorageMonitorInternal; 168 169/** 170 * Keep track of all those .apks everywhere. 171 * 172 * This is very central to the platform's security; please run the unit 173 * tests whenever making modifications here: 174 * 175mmm frameworks/base/tests/AndroidTests 176adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 177adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 178 * 179 * {@hide} 180 */ 181public class PackageManagerService extends IPackageManager.Stub { 182 static final String TAG = "PackageManager"; 183 static final boolean DEBUG_SETTINGS = false; 184 static final boolean DEBUG_PREFERRED = false; 185 static final boolean DEBUG_UPGRADE = false; 186 private static final boolean DEBUG_INSTALL = false; 187 private static final boolean DEBUG_REMOVE = false; 188 private static final boolean DEBUG_BROADCASTS = false; 189 private static final boolean DEBUG_SHOW_INFO = false; 190 private static final boolean DEBUG_PACKAGE_INFO = false; 191 private static final boolean DEBUG_INTENT_MATCHING = false; 192 private static final boolean DEBUG_PACKAGE_SCANNING = false; 193 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 194 private static final boolean DEBUG_VERIFY = false; 195 196 private static final int RADIO_UID = Process.PHONE_UID; 197 private static final int LOG_UID = Process.LOG_UID; 198 private static final int NFC_UID = Process.NFC_UID; 199 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 200 private static final int SHELL_UID = Process.SHELL_UID; 201 202 private static final boolean GET_CERTIFICATES = true; 203 204 private static final int REMOVE_EVENTS = 205 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 206 private static final int ADD_EVENTS = 207 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 208 209 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 210 // Suffix used during package installation when copying/moving 211 // package apks to install directory. 212 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 213 214 static final int SCAN_MONITOR = 1<<0; 215 static final int SCAN_NO_DEX = 1<<1; 216 static final int SCAN_FORCE_DEX = 1<<2; 217 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 218 static final int SCAN_NEW_INSTALL = 1<<4; 219 static final int SCAN_NO_PATHS = 1<<5; 220 static final int SCAN_UPDATE_TIME = 1<<6; 221 static final int SCAN_DEFER_DEX = 1<<7; 222 static final int SCAN_BOOTING = 1<<8; 223 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 224 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 225 226 static final int REMOVE_CHATTY = 1<<16; 227 228 /** 229 * Timeout (in milliseconds) after which the watchdog should declare that 230 * our handler thread is wedged. The usual default for such things is one 231 * minute but we sometimes do very lengthy I/O operations on this thread, 232 * such as installing multi-gigabyte applications, so ours needs to be longer. 233 */ 234 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 235 236 /** 237 * Whether verification is enabled by default. 238 */ 239 private static final boolean DEFAULT_VERIFY_ENABLE = true; 240 241 /** 242 * The default maximum time to wait for the verification agent to return in 243 * milliseconds. 244 */ 245 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 246 247 /** 248 * The default response for package verification timeout. 249 * 250 * This can be either PackageManager.VERIFICATION_ALLOW or 251 * PackageManager.VERIFICATION_REJECT. 252 */ 253 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 254 255 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 256 257 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 258 DEFAULT_CONTAINER_PACKAGE, 259 "com.android.defcontainer.DefaultContainerService"); 260 261 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 262 263 private static final String LIB_DIR_NAME = "lib"; 264 private static final String LIB64_DIR_NAME = "lib64"; 265 266 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 267 268 static final String mTempContainerPrefix = "smdl2tmp"; 269 270 final ServiceThread mHandlerThread; 271 272 private static String sPreferredInstructionSet; 273 274 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 275 private static final String IDMAP_SUFFIX = "@idmap"; 276 277 final PackageHandler mHandler; 278 279 final int mSdkVersion = Build.VERSION.SDK_INT; 280 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 281 ? null : Build.VERSION.CODENAME; 282 283 final Context mContext; 284 final boolean mFactoryTest; 285 final boolean mOnlyCore; 286 final boolean mNoDexOpt; 287 final DisplayMetrics mMetrics; 288 final int mDefParseFlags; 289 final String[] mSeparateProcesses; 290 291 // This is where all application persistent data goes. 292 final File mAppDataDir; 293 294 // This is where all application persistent data goes for secondary users. 295 final File mUserAppDataDir; 296 297 /** The location for ASEC container files on internal storage. */ 298 final String mAsecInternalPath; 299 300 // This is the object monitoring the framework dir. 301 final FileObserver mFrameworkInstallObserver; 302 303 // This is the object monitoring the system app dir. 304 final FileObserver mSystemInstallObserver; 305 306 // This is the object monitoring the privileged system app dir. 307 final FileObserver mPrivilegedInstallObserver; 308 309 // This is the object monitoring the system app dir. 310 final FileObserver mVendorInstallObserver; 311 312 // This is the object monitoring the vendor overlay package dir. 313 final FileObserver mVendorOverlayInstallObserver; 314 315 // This is the object monitoring mAppInstallDir. 316 final FileObserver mAppInstallObserver; 317 318 // This is the object monitoring mDrmAppPrivateInstallDir. 319 final FileObserver mDrmAppInstallObserver; 320 321 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 322 // LOCK HELD. Can be called with mInstallLock held. 323 final Installer mInstaller; 324 325 final File mAppInstallDir; 326 327 /** 328 * Directory to which applications installed internally have native 329 * libraries copied. 330 */ 331 private File mAppLibInstallDir; 332 333 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 334 // apps. 335 final File mDrmAppPrivateInstallDir; 336 337 // ---------------------------------------------------------------- 338 339 // Lock for state used when installing and doing other long running 340 // operations. Methods that must be called with this lock held have 341 // the prefix "LI". 342 final Object mInstallLock = new Object(); 343 344 // These are the directories in the 3rd party applications installed dir 345 // that we have currently loaded packages from. Keys are the application's 346 // installed zip file (absolute codePath), and values are Package. 347 final HashMap<String, PackageParser.Package> mAppDirs = 348 new HashMap<String, PackageParser.Package>(); 349 350 // Information for the parser to write more useful error messages. 351 int mLastScanError; 352 353 // ---------------------------------------------------------------- 354 355 // Keys are String (package name), values are Package. This also serves 356 // as the lock for the global state. Methods that must be called with 357 // this lock held have the prefix "LP". 358 final HashMap<String, PackageParser.Package> mPackages = 359 new HashMap<String, PackageParser.Package>(); 360 361 // Tracks available target package names -> overlay package paths. 362 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 363 new HashMap<String, HashMap<String, PackageParser.Package>>(); 364 365 final Settings mSettings; 366 boolean mRestoredSettings; 367 368 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 369 int[] mGlobalGids; 370 371 // These are the built-in uid -> permission mappings that were read from the 372 // etc/permissions.xml file. 373 final SparseArray<HashSet<String>> mSystemPermissions = 374 new SparseArray<HashSet<String>>(); 375 376 static final class SharedLibraryEntry { 377 final String path; 378 final String apk; 379 380 SharedLibraryEntry(String _path, String _apk) { 381 path = _path; 382 apk = _apk; 383 } 384 } 385 386 // These are the built-in shared libraries that were read from the 387 // etc/permissions.xml file. 388 final HashMap<String, SharedLibraryEntry> mSharedLibraries 389 = new HashMap<String, SharedLibraryEntry>(); 390 391 // Temporary for building the final shared libraries for an .apk. 392 String[] mTmpSharedLibraries = null; 393 394 // These are the features this devices supports that were read from the 395 // etc/permissions.xml file. 396 final HashMap<String, FeatureInfo> mAvailableFeatures = 397 new HashMap<String, FeatureInfo>(); 398 399 // If mac_permissions.xml was found for seinfo labeling. 400 boolean mFoundPolicyFile; 401 402 // If a recursive restorecon of /data/data/<pkg> is needed. 403 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 404 405 // All available activities, for your resolving pleasure. 406 final ActivityIntentResolver mActivities = 407 new ActivityIntentResolver(); 408 409 // All available receivers, for your resolving pleasure. 410 final ActivityIntentResolver mReceivers = 411 new ActivityIntentResolver(); 412 413 // All available services, for your resolving pleasure. 414 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 415 416 // All available providers, for your resolving pleasure. 417 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 418 419 // Mapping from provider base names (first directory in content URI codePath) 420 // to the provider information. 421 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 422 new HashMap<String, PackageParser.Provider>(); 423 424 // Mapping from instrumentation class names to info about them. 425 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 426 new HashMap<ComponentName, PackageParser.Instrumentation>(); 427 428 // Mapping from permission names to info about them. 429 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 430 new HashMap<String, PackageParser.PermissionGroup>(); 431 432 // Packages whose data we have transfered into another package, thus 433 // should no longer exist. 434 final HashSet<String> mTransferedPackages = new HashSet<String>(); 435 436 // Broadcast actions that are only available to the system. 437 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 438 439 /** List of packages waiting for verification. */ 440 final SparseArray<PackageVerificationState> mPendingVerification 441 = new SparseArray<PackageVerificationState>(); 442 443 HashSet<PackageParser.Package> mDeferredDexOpt = null; 444 445 /** Token for keys in mPendingVerification. */ 446 private int mPendingVerificationToken = 0; 447 448 boolean mSystemReady; 449 boolean mSafeMode; 450 boolean mHasSystemUidErrors; 451 452 ApplicationInfo mAndroidApplication; 453 final ActivityInfo mResolveActivity = new ActivityInfo(); 454 final ResolveInfo mResolveInfo = new ResolveInfo(); 455 ComponentName mResolveComponentName; 456 PackageParser.Package mPlatformPackage; 457 ComponentName mCustomResolverComponentName; 458 459 boolean mResolverReplaced = false; 460 461 // Set of pending broadcasts for aggregating enable/disable of components. 462 static class PendingPackageBroadcasts { 463 // for each user id, a map of <package name -> components within that package> 464 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 465 466 public PendingPackageBroadcasts() { 467 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 468 } 469 470 public ArrayList<String> get(int userId, String packageName) { 471 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 472 return packages.get(packageName); 473 } 474 475 public void put(int userId, String packageName, ArrayList<String> components) { 476 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 477 packages.put(packageName, components); 478 } 479 480 public void remove(int userId, String packageName) { 481 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 482 if (packages != null) { 483 packages.remove(packageName); 484 } 485 } 486 487 public void remove(int userId) { 488 mUidMap.remove(userId); 489 } 490 491 public int userIdCount() { 492 return mUidMap.size(); 493 } 494 495 public int userIdAt(int n) { 496 return mUidMap.keyAt(n); 497 } 498 499 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 500 return mUidMap.get(userId); 501 } 502 503 public int size() { 504 // total number of pending broadcast entries across all userIds 505 int num = 0; 506 for (int i = 0; i< mUidMap.size(); i++) { 507 num += mUidMap.valueAt(i).size(); 508 } 509 return num; 510 } 511 512 public void clear() { 513 mUidMap.clear(); 514 } 515 516 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 517 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 518 if (map == null) { 519 map = new HashMap<String, ArrayList<String>>(); 520 mUidMap.put(userId, map); 521 } 522 return map; 523 } 524 } 525 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 526 527 // Service Connection to remote media container service to copy 528 // package uri's from external media onto secure containers 529 // or internal storage. 530 private IMediaContainerService mContainerService = null; 531 532 static final int SEND_PENDING_BROADCAST = 1; 533 static final int MCS_BOUND = 3; 534 static final int END_COPY = 4; 535 static final int INIT_COPY = 5; 536 static final int MCS_UNBIND = 6; 537 static final int START_CLEANING_PACKAGE = 7; 538 static final int FIND_INSTALL_LOC = 8; 539 static final int POST_INSTALL = 9; 540 static final int MCS_RECONNECT = 10; 541 static final int MCS_GIVE_UP = 11; 542 static final int UPDATED_MEDIA_STATUS = 12; 543 static final int WRITE_SETTINGS = 13; 544 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 545 static final int PACKAGE_VERIFIED = 15; 546 static final int CHECK_PENDING_VERIFICATION = 16; 547 548 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 549 550 // Delay time in millisecs 551 static final int BROADCAST_DELAY = 10 * 1000; 552 553 static UserManagerService sUserManager; 554 555 // Stores a list of users whose package restrictions file needs to be updated 556 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 557 558 final private DefaultContainerConnection mDefContainerConn = 559 new DefaultContainerConnection(); 560 class DefaultContainerConnection implements ServiceConnection { 561 public void onServiceConnected(ComponentName name, IBinder service) { 562 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 563 IMediaContainerService imcs = 564 IMediaContainerService.Stub.asInterface(service); 565 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 566 } 567 568 public void onServiceDisconnected(ComponentName name) { 569 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 570 } 571 }; 572 573 // Recordkeeping of restore-after-install operations that are currently in flight 574 // between the Package Manager and the Backup Manager 575 class PostInstallData { 576 public InstallArgs args; 577 public PackageInstalledInfo res; 578 579 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 580 args = _a; 581 res = _r; 582 } 583 }; 584 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 585 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 586 587 private final String mRequiredVerifierPackage; 588 589 class PackageHandler extends Handler { 590 private boolean mBound = false; 591 final ArrayList<HandlerParams> mPendingInstalls = 592 new ArrayList<HandlerParams>(); 593 594 private boolean connectToService() { 595 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 596 " DefaultContainerService"); 597 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 598 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 599 if (mContext.bindServiceAsUser(service, mDefContainerConn, 600 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 601 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 602 mBound = true; 603 return true; 604 } 605 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 606 return false; 607 } 608 609 private void disconnectService() { 610 mContainerService = null; 611 mBound = false; 612 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 613 mContext.unbindService(mDefContainerConn); 614 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 615 } 616 617 PackageHandler(Looper looper) { 618 super(looper); 619 } 620 621 public void handleMessage(Message msg) { 622 try { 623 doHandleMessage(msg); 624 } finally { 625 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 626 } 627 } 628 629 void doHandleMessage(Message msg) { 630 switch (msg.what) { 631 case INIT_COPY: { 632 HandlerParams params = (HandlerParams) msg.obj; 633 int idx = mPendingInstalls.size(); 634 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 635 // If a bind was already initiated we dont really 636 // need to do anything. The pending install 637 // will be processed later on. 638 if (!mBound) { 639 // If this is the only one pending we might 640 // have to bind to the service again. 641 if (!connectToService()) { 642 Slog.e(TAG, "Failed to bind to media container service"); 643 params.serviceError(); 644 return; 645 } else { 646 // Once we bind to the service, the first 647 // pending request will be processed. 648 mPendingInstalls.add(idx, params); 649 } 650 } else { 651 mPendingInstalls.add(idx, params); 652 // Already bound to the service. Just make 653 // sure we trigger off processing the first request. 654 if (idx == 0) { 655 mHandler.sendEmptyMessage(MCS_BOUND); 656 } 657 } 658 break; 659 } 660 case MCS_BOUND: { 661 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 662 if (msg.obj != null) { 663 mContainerService = (IMediaContainerService) msg.obj; 664 } 665 if (mContainerService == null) { 666 // Something seriously wrong. Bail out 667 Slog.e(TAG, "Cannot bind to media container service"); 668 for (HandlerParams params : mPendingInstalls) { 669 // Indicate service bind error 670 params.serviceError(); 671 } 672 mPendingInstalls.clear(); 673 } else if (mPendingInstalls.size() > 0) { 674 HandlerParams params = mPendingInstalls.get(0); 675 if (params != null) { 676 if (params.startCopy()) { 677 // We are done... look for more work or to 678 // go idle. 679 if (DEBUG_SD_INSTALL) Log.i(TAG, 680 "Checking for more work or unbind..."); 681 // Delete pending install 682 if (mPendingInstalls.size() > 0) { 683 mPendingInstalls.remove(0); 684 } 685 if (mPendingInstalls.size() == 0) { 686 if (mBound) { 687 if (DEBUG_SD_INSTALL) Log.i(TAG, 688 "Posting delayed MCS_UNBIND"); 689 removeMessages(MCS_UNBIND); 690 Message ubmsg = obtainMessage(MCS_UNBIND); 691 // Unbind after a little delay, to avoid 692 // continual thrashing. 693 sendMessageDelayed(ubmsg, 10000); 694 } 695 } else { 696 // There are more pending requests in queue. 697 // Just post MCS_BOUND message to trigger processing 698 // of next pending install. 699 if (DEBUG_SD_INSTALL) Log.i(TAG, 700 "Posting MCS_BOUND for next woek"); 701 mHandler.sendEmptyMessage(MCS_BOUND); 702 } 703 } 704 } 705 } else { 706 // Should never happen ideally. 707 Slog.w(TAG, "Empty queue"); 708 } 709 break; 710 } 711 case MCS_RECONNECT: { 712 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 713 if (mPendingInstalls.size() > 0) { 714 if (mBound) { 715 disconnectService(); 716 } 717 if (!connectToService()) { 718 Slog.e(TAG, "Failed to bind to media container service"); 719 for (HandlerParams params : mPendingInstalls) { 720 // Indicate service bind error 721 params.serviceError(); 722 } 723 mPendingInstalls.clear(); 724 } 725 } 726 break; 727 } 728 case MCS_UNBIND: { 729 // If there is no actual work left, then time to unbind. 730 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 731 732 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 733 if (mBound) { 734 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 735 736 disconnectService(); 737 } 738 } else if (mPendingInstalls.size() > 0) { 739 // There are more pending requests in queue. 740 // Just post MCS_BOUND message to trigger processing 741 // of next pending install. 742 mHandler.sendEmptyMessage(MCS_BOUND); 743 } 744 745 break; 746 } 747 case MCS_GIVE_UP: { 748 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 749 mPendingInstalls.remove(0); 750 break; 751 } 752 case SEND_PENDING_BROADCAST: { 753 String packages[]; 754 ArrayList<String> components[]; 755 int size = 0; 756 int uids[]; 757 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 758 synchronized (mPackages) { 759 if (mPendingBroadcasts == null) { 760 return; 761 } 762 size = mPendingBroadcasts.size(); 763 if (size <= 0) { 764 // Nothing to be done. Just return 765 return; 766 } 767 packages = new String[size]; 768 components = new ArrayList[size]; 769 uids = new int[size]; 770 int i = 0; // filling out the above arrays 771 772 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 773 int packageUserId = mPendingBroadcasts.userIdAt(n); 774 Iterator<Map.Entry<String, ArrayList<String>>> it 775 = mPendingBroadcasts.packagesForUserId(packageUserId) 776 .entrySet().iterator(); 777 while (it.hasNext() && i < size) { 778 Map.Entry<String, ArrayList<String>> ent = it.next(); 779 packages[i] = ent.getKey(); 780 components[i] = ent.getValue(); 781 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 782 uids[i] = (ps != null) 783 ? UserHandle.getUid(packageUserId, ps.appId) 784 : -1; 785 i++; 786 } 787 } 788 size = i; 789 mPendingBroadcasts.clear(); 790 } 791 // Send broadcasts 792 for (int i = 0; i < size; i++) { 793 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 794 } 795 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 796 break; 797 } 798 case START_CLEANING_PACKAGE: { 799 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 800 final String packageName = (String)msg.obj; 801 final int userId = msg.arg1; 802 final boolean andCode = msg.arg2 != 0; 803 synchronized (mPackages) { 804 if (userId == UserHandle.USER_ALL) { 805 int[] users = sUserManager.getUserIds(); 806 for (int user : users) { 807 mSettings.addPackageToCleanLPw( 808 new PackageCleanItem(user, packageName, andCode)); 809 } 810 } else { 811 mSettings.addPackageToCleanLPw( 812 new PackageCleanItem(userId, packageName, andCode)); 813 } 814 } 815 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 816 startCleaningPackages(); 817 } break; 818 case POST_INSTALL: { 819 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 820 PostInstallData data = mRunningInstalls.get(msg.arg1); 821 mRunningInstalls.delete(msg.arg1); 822 boolean deleteOld = false; 823 824 if (data != null) { 825 InstallArgs args = data.args; 826 PackageInstalledInfo res = data.res; 827 828 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 829 res.removedInfo.sendBroadcast(false, true, false); 830 Bundle extras = new Bundle(1); 831 extras.putInt(Intent.EXTRA_UID, res.uid); 832 // Determine the set of users who are adding this 833 // package for the first time vs. those who are seeing 834 // an update. 835 int[] firstUsers; 836 int[] updateUsers = new int[0]; 837 if (res.origUsers == null || res.origUsers.length == 0) { 838 firstUsers = res.newUsers; 839 } else { 840 firstUsers = new int[0]; 841 for (int i=0; i<res.newUsers.length; i++) { 842 int user = res.newUsers[i]; 843 boolean isNew = true; 844 for (int j=0; j<res.origUsers.length; j++) { 845 if (res.origUsers[j] == user) { 846 isNew = false; 847 break; 848 } 849 } 850 if (isNew) { 851 int[] newFirst = new int[firstUsers.length+1]; 852 System.arraycopy(firstUsers, 0, newFirst, 0, 853 firstUsers.length); 854 newFirst[firstUsers.length] = user; 855 firstUsers = newFirst; 856 } else { 857 int[] newUpdate = new int[updateUsers.length+1]; 858 System.arraycopy(updateUsers, 0, newUpdate, 0, 859 updateUsers.length); 860 newUpdate[updateUsers.length] = user; 861 updateUsers = newUpdate; 862 } 863 } 864 } 865 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 866 res.pkg.applicationInfo.packageName, 867 extras, null, null, firstUsers); 868 final boolean update = res.removedInfo.removedPackage != null; 869 if (update) { 870 extras.putBoolean(Intent.EXTRA_REPLACING, true); 871 } 872 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 873 res.pkg.applicationInfo.packageName, 874 extras, null, null, updateUsers); 875 if (update) { 876 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 877 res.pkg.applicationInfo.packageName, 878 extras, null, null, updateUsers); 879 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 880 null, null, 881 res.pkg.applicationInfo.packageName, null, updateUsers); 882 883 // treat asec-hosted packages like removable media on upgrade 884 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 885 if (DEBUG_INSTALL) { 886 Slog.i(TAG, "upgrading pkg " + res.pkg 887 + " is ASEC-hosted -> AVAILABLE"); 888 } 889 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 890 ArrayList<String> pkgList = new ArrayList<String>(1); 891 pkgList.add(res.pkg.applicationInfo.packageName); 892 sendResourcesChangedBroadcast(true, true, 893 pkgList,uidArray, null); 894 } 895 } 896 if (res.removedInfo.args != null) { 897 // Remove the replaced package's older resources safely now 898 deleteOld = true; 899 } 900 901 // Log current value of "unknown sources" setting 902 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 903 getUnknownSourcesSettings()); 904 } 905 // Force a gc to clear up things 906 Runtime.getRuntime().gc(); 907 // We delete after a gc for applications on sdcard. 908 if (deleteOld) { 909 synchronized (mInstallLock) { 910 res.removedInfo.args.doPostDeleteLI(true); 911 } 912 } 913 if (args.observer != null) { 914 try { 915 args.observer.packageInstalled(res.name, res.returnCode); 916 } catch (RemoteException e) { 917 Slog.i(TAG, "Observer no longer exists."); 918 } 919 } 920 } else { 921 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 922 } 923 } break; 924 case UPDATED_MEDIA_STATUS: { 925 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 926 boolean reportStatus = msg.arg1 == 1; 927 boolean doGc = msg.arg2 == 1; 928 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 929 if (doGc) { 930 // Force a gc to clear up stale containers. 931 Runtime.getRuntime().gc(); 932 } 933 if (msg.obj != null) { 934 @SuppressWarnings("unchecked") 935 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 936 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 937 // Unload containers 938 unloadAllContainers(args); 939 } 940 if (reportStatus) { 941 try { 942 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 943 PackageHelper.getMountService().finishMediaUpdate(); 944 } catch (RemoteException e) { 945 Log.e(TAG, "MountService not running?"); 946 } 947 } 948 } break; 949 case WRITE_SETTINGS: { 950 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 951 synchronized (mPackages) { 952 removeMessages(WRITE_SETTINGS); 953 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 954 mSettings.writeLPr(); 955 mDirtyUsers.clear(); 956 } 957 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 958 } break; 959 case WRITE_PACKAGE_RESTRICTIONS: { 960 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 961 synchronized (mPackages) { 962 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 963 for (int userId : mDirtyUsers) { 964 mSettings.writePackageRestrictionsLPr(userId); 965 } 966 mDirtyUsers.clear(); 967 } 968 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 969 } break; 970 case CHECK_PENDING_VERIFICATION: { 971 final int verificationId = msg.arg1; 972 final PackageVerificationState state = mPendingVerification.get(verificationId); 973 974 if ((state != null) && !state.timeoutExtended()) { 975 final InstallArgs args = state.getInstallArgs(); 976 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 977 mPendingVerification.remove(verificationId); 978 979 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 980 981 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 982 Slog.i(TAG, "Continuing with installation of " 983 + args.packageURI.toString()); 984 state.setVerifierResponse(Binder.getCallingUid(), 985 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 986 broadcastPackageVerified(verificationId, args.packageURI, 987 PackageManager.VERIFICATION_ALLOW, 988 state.getInstallArgs().getUser()); 989 try { 990 ret = args.copyApk(mContainerService, true); 991 } catch (RemoteException e) { 992 Slog.e(TAG, "Could not contact the ContainerService"); 993 } 994 } else { 995 broadcastPackageVerified(verificationId, args.packageURI, 996 PackageManager.VERIFICATION_REJECT, 997 state.getInstallArgs().getUser()); 998 } 999 1000 processPendingInstall(args, ret); 1001 mHandler.sendEmptyMessage(MCS_UNBIND); 1002 } 1003 break; 1004 } 1005 case PACKAGE_VERIFIED: { 1006 final int verificationId = msg.arg1; 1007 1008 final PackageVerificationState state = mPendingVerification.get(verificationId); 1009 if (state == null) { 1010 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1011 break; 1012 } 1013 1014 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1015 1016 state.setVerifierResponse(response.callerUid, response.code); 1017 1018 if (state.isVerificationComplete()) { 1019 mPendingVerification.remove(verificationId); 1020 1021 final InstallArgs args = state.getInstallArgs(); 1022 1023 int ret; 1024 if (state.isInstallAllowed()) { 1025 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1026 broadcastPackageVerified(verificationId, args.packageURI, 1027 response.code, state.getInstallArgs().getUser()); 1028 try { 1029 ret = args.copyApk(mContainerService, true); 1030 } catch (RemoteException e) { 1031 Slog.e(TAG, "Could not contact the ContainerService"); 1032 } 1033 } else { 1034 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1035 } 1036 1037 processPendingInstall(args, ret); 1038 1039 mHandler.sendEmptyMessage(MCS_UNBIND); 1040 } 1041 1042 break; 1043 } 1044 } 1045 } 1046 } 1047 1048 void scheduleWriteSettingsLocked() { 1049 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1050 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1051 } 1052 } 1053 1054 void scheduleWritePackageRestrictionsLocked(int userId) { 1055 if (!sUserManager.exists(userId)) return; 1056 mDirtyUsers.add(userId); 1057 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1058 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1059 } 1060 } 1061 1062 public static final IPackageManager main(Context context, Installer installer, 1063 boolean factoryTest, boolean onlyCore) { 1064 PackageManagerService m = new PackageManagerService(context, installer, 1065 factoryTest, onlyCore); 1066 ServiceManager.addService("package", m); 1067 return m; 1068 } 1069 1070 static String[] splitString(String str, char sep) { 1071 int count = 1; 1072 int i = 0; 1073 while ((i=str.indexOf(sep, i)) >= 0) { 1074 count++; 1075 i++; 1076 } 1077 1078 String[] res = new String[count]; 1079 i=0; 1080 count = 0; 1081 int lastI=0; 1082 while ((i=str.indexOf(sep, i)) >= 0) { 1083 res[count] = str.substring(lastI, i); 1084 count++; 1085 i++; 1086 lastI = i; 1087 } 1088 res[count] = str.substring(lastI, str.length()); 1089 return res; 1090 } 1091 1092 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1093 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1094 Context.DISPLAY_SERVICE); 1095 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1096 } 1097 1098 public PackageManagerService(Context context, Installer installer, 1099 boolean factoryTest, boolean onlyCore) { 1100 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1101 SystemClock.uptimeMillis()); 1102 1103 if (mSdkVersion <= 0) { 1104 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1105 } 1106 1107 mContext = context; 1108 mFactoryTest = factoryTest; 1109 mOnlyCore = onlyCore; 1110 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1111 mMetrics = new DisplayMetrics(); 1112 mSettings = new Settings(context); 1113 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1114 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1115 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1116 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1117 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1118 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1119 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1120 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1121 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1122 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1123 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1124 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1125 1126 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1127 if (separateProcesses != null && separateProcesses.length() > 0) { 1128 if ("*".equals(separateProcesses)) { 1129 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1130 mSeparateProcesses = null; 1131 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1132 } else { 1133 mDefParseFlags = 0; 1134 mSeparateProcesses = separateProcesses.split(","); 1135 Slog.w(TAG, "Running with debug.separate_processes: " 1136 + separateProcesses); 1137 } 1138 } else { 1139 mDefParseFlags = 0; 1140 mSeparateProcesses = null; 1141 } 1142 1143 mInstaller = installer; 1144 1145 getDefaultDisplayMetrics(context, mMetrics); 1146 1147 synchronized (mInstallLock) { 1148 // writer 1149 synchronized (mPackages) { 1150 mHandlerThread = new ServiceThread(TAG, 1151 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1152 mHandlerThread.start(); 1153 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1154 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1155 1156 File dataDir = Environment.getDataDirectory(); 1157 mAppDataDir = new File(dataDir, "data"); 1158 mAppInstallDir = new File(dataDir, "app"); 1159 mAppLibInstallDir = new File(dataDir, "app-lib"); 1160 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1161 mUserAppDataDir = new File(dataDir, "user"); 1162 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1163 1164 sUserManager = new UserManagerService(context, this, 1165 mInstallLock, mPackages); 1166 1167 readPermissions(); 1168 1169 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1170 1171 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1172 mSdkVersion, mOnlyCore); 1173 1174 String customResolverActivity = Resources.getSystem().getString( 1175 R.string.config_customResolverActivity); 1176 if (TextUtils.isEmpty(customResolverActivity)) { 1177 customResolverActivity = null; 1178 } else { 1179 mCustomResolverComponentName = ComponentName.unflattenFromString( 1180 customResolverActivity); 1181 } 1182 1183 long startTime = SystemClock.uptimeMillis(); 1184 1185 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1186 startTime); 1187 1188 // Set flag to monitor and not change apk file paths when 1189 // scanning install directories. 1190 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1191 if (mNoDexOpt) { 1192 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1193 scanMode |= SCAN_NO_DEX; 1194 } 1195 1196 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1197 1198 /** 1199 * Add everything in the in the boot class path to the 1200 * list of process files because dexopt will have been run 1201 * if necessary during zygote startup. 1202 */ 1203 String bootClassPath = System.getProperty("java.boot.class.path"); 1204 if (bootClassPath != null) { 1205 String[] paths = splitString(bootClassPath, ':'); 1206 for (int i=0; i<paths.length; i++) { 1207 alreadyDexOpted.add(paths[i]); 1208 } 1209 } else { 1210 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1211 } 1212 1213 boolean didDexOpt = false; 1214 1215 final List<String> instructionSets = getAllInstructionSets(); 1216 1217 /** 1218 * Ensure all external libraries have had dexopt run on them. 1219 */ 1220 if (mSharedLibraries.size() > 0) { 1221 // NOTE: For now, we're compiling these system "shared libraries" 1222 // (and framework jars) into all available architectures. It's possible 1223 // to compile them only when we come across an app that uses them (there's 1224 // already logic for that in scanPackageLI) but that adds some complexity. 1225 for (String instructionSet : instructionSets) { 1226 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1227 final String lib = libEntry.path; 1228 if (lib == null) { 1229 continue; 1230 } 1231 1232 try { 1233 if (dalvik.system.DexFile.isDexOptNeededInternal( 1234 lib, null, instructionSet, false)) { 1235 alreadyDexOpted.add(lib); 1236 1237 // The list of "shared libraries" we have at this point is 1238 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1239 didDexOpt = true; 1240 } 1241 } catch (FileNotFoundException e) { 1242 Slog.w(TAG, "Library not found: " + lib); 1243 } catch (IOException e) { 1244 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1245 + e.getMessage()); 1246 } 1247 } 1248 } 1249 } 1250 1251 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1252 1253 // Gross hack for now: we know this file doesn't contain any 1254 // code, so don't dexopt it to avoid the resulting log spew. 1255 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1256 1257 // Gross hack for now: we know this file is only part of 1258 // the boot class path for art, so don't dexopt it to 1259 // avoid the resulting log spew. 1260 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1261 1262 /** 1263 * And there are a number of commands implemented in Java, which 1264 * we currently need to do the dexopt on so that they can be 1265 * run from a non-root shell. 1266 */ 1267 String[] frameworkFiles = frameworkDir.list(); 1268 if (frameworkFiles != null) { 1269 // TODO: We could compile these only for the most preferred ABI. We should 1270 // first double check that the dex files for these commands are not referenced 1271 // by other system apps. 1272 for (String instructionSet : instructionSets) { 1273 for (int i=0; i<frameworkFiles.length; i++) { 1274 File libPath = new File(frameworkDir, frameworkFiles[i]); 1275 String path = libPath.getPath(); 1276 // Skip the file if we already did it. 1277 if (alreadyDexOpted.contains(path)) { 1278 continue; 1279 } 1280 // Skip the file if it is not a type we want to dexopt. 1281 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1282 continue; 1283 } 1284 try { 1285 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1286 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1287 didDexOpt = true; 1288 } 1289 } catch (FileNotFoundException e) { 1290 Slog.w(TAG, "Jar not found: " + path); 1291 } catch (IOException e) { 1292 Slog.w(TAG, "Exception reading jar: " + path, e); 1293 } 1294 } 1295 } 1296 } 1297 1298 if (didDexOpt) { 1299 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1300 1301 // If we had to do a dexopt of one of the previous 1302 // things, then something on the system has changed. 1303 // Consider this significant, and wipe away all other 1304 // existing dexopt files to ensure we don't leave any 1305 // dangling around. 1306 String[] files = dalvikCacheDir.list(); 1307 if (files != null) { 1308 for (int i=0; i<files.length; i++) { 1309 String fn = files[i]; 1310 if (fn.startsWith("data@app@") 1311 || fn.startsWith("data@app-private@")) { 1312 Slog.i(TAG, "Pruning dalvik file: " + fn); 1313 (new File(dalvikCacheDir, fn)).delete(); 1314 } 1315 } 1316 } 1317 } 1318 1319 // Collect vendor overlay packages. 1320 // (Do this before scanning any apps.) 1321 // For security and version matching reason, only consider 1322 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1323 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1324 mVendorOverlayInstallObserver = new AppDirObserver( 1325 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1326 mVendorOverlayInstallObserver.startWatching(); 1327 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1328 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1329 1330 // Find base frameworks (resource packages without code). 1331 mFrameworkInstallObserver = new AppDirObserver( 1332 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1333 mFrameworkInstallObserver.startWatching(); 1334 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1335 | PackageParser.PARSE_IS_SYSTEM_DIR 1336 | PackageParser.PARSE_IS_PRIVILEGED, 1337 scanMode | SCAN_NO_DEX, 0); 1338 1339 // Collected privileged system packages. 1340 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1341 mPrivilegedInstallObserver = new AppDirObserver( 1342 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1343 mPrivilegedInstallObserver.startWatching(); 1344 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1345 | PackageParser.PARSE_IS_SYSTEM_DIR 1346 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1347 1348 // Collect ordinary system packages. 1349 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1350 mSystemInstallObserver = new AppDirObserver( 1351 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1352 mSystemInstallObserver.startWatching(); 1353 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1354 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1355 1356 // Collect all vendor packages. 1357 File vendorAppDir = new File("/vendor/app"); 1358 try { 1359 vendorAppDir = vendorAppDir.getCanonicalFile(); 1360 } catch (IOException e) { 1361 // failed to look up canonical path, continue with original one 1362 } 1363 mVendorInstallObserver = new AppDirObserver( 1364 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1365 mVendorInstallObserver.startWatching(); 1366 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1367 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1368 1369 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1370 mInstaller.moveFiles(); 1371 1372 // Prune any system packages that no longer exist. 1373 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1374 if (!mOnlyCore) { 1375 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1376 while (psit.hasNext()) { 1377 PackageSetting ps = psit.next(); 1378 1379 /* 1380 * If this is not a system app, it can't be a 1381 * disable system app. 1382 */ 1383 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1384 continue; 1385 } 1386 1387 /* 1388 * If the package is scanned, it's not erased. 1389 */ 1390 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1391 if (scannedPkg != null) { 1392 /* 1393 * If the system app is both scanned and in the 1394 * disabled packages list, then it must have been 1395 * added via OTA. Remove it from the currently 1396 * scanned package so the previously user-installed 1397 * application can be scanned. 1398 */ 1399 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1400 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1401 + "; removing system app"); 1402 removePackageLI(ps, true); 1403 } 1404 1405 continue; 1406 } 1407 1408 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1409 psit.remove(); 1410 String msg = "System package " + ps.name 1411 + " no longer exists; wiping its data"; 1412 reportSettingsProblem(Log.WARN, msg); 1413 removeDataDirsLI(ps.name); 1414 } else { 1415 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1416 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1417 possiblyDeletedUpdatedSystemApps.add(ps.name); 1418 } 1419 } 1420 } 1421 } 1422 1423 //look for any incomplete package installations 1424 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1425 //clean up list 1426 for(int i = 0; i < deletePkgsList.size(); i++) { 1427 //clean up here 1428 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1429 } 1430 //delete tmp files 1431 deleteTempPackageFiles(); 1432 1433 // Remove any shared userIDs that have no associated packages 1434 mSettings.pruneSharedUsersLPw(); 1435 1436 if (!mOnlyCore) { 1437 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1438 SystemClock.uptimeMillis()); 1439 mAppInstallObserver = new AppDirObserver( 1440 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1441 mAppInstallObserver.startWatching(); 1442 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1443 1444 mDrmAppInstallObserver = new AppDirObserver( 1445 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1446 mDrmAppInstallObserver.startWatching(); 1447 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1448 scanMode, 0); 1449 1450 /** 1451 * Remove disable package settings for any updated system 1452 * apps that were removed via an OTA. If they're not a 1453 * previously-updated app, remove them completely. 1454 * Otherwise, just revoke their system-level permissions. 1455 */ 1456 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1457 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1458 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1459 1460 String msg; 1461 if (deletedPkg == null) { 1462 msg = "Updated system package " + deletedAppName 1463 + " no longer exists; wiping its data"; 1464 removeDataDirsLI(deletedAppName); 1465 } else { 1466 msg = "Updated system app + " + deletedAppName 1467 + " no longer present; removing system privileges for " 1468 + deletedAppName; 1469 1470 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1471 1472 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1473 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1474 } 1475 reportSettingsProblem(Log.WARN, msg); 1476 } 1477 } else { 1478 mAppInstallObserver = null; 1479 mDrmAppInstallObserver = null; 1480 } 1481 1482 // Now that we know all of the shared libraries, update all clients to have 1483 // the correct library paths. 1484 updateAllSharedLibrariesLPw(); 1485 1486 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1487 SystemClock.uptimeMillis()); 1488 Slog.i(TAG, "Time to scan packages: " 1489 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1490 + " seconds"); 1491 1492 // If the platform SDK has changed since the last time we booted, 1493 // we need to re-grant app permission to catch any new ones that 1494 // appear. This is really a hack, and means that apps can in some 1495 // cases get permissions that the user didn't initially explicitly 1496 // allow... it would be nice to have some better way to handle 1497 // this situation. 1498 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1499 != mSdkVersion; 1500 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1501 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1502 + "; regranting permissions for internal storage"); 1503 mSettings.mInternalSdkPlatform = mSdkVersion; 1504 1505 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1506 | (regrantPermissions 1507 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1508 : 0)); 1509 1510 // If this is the first boot, and it is a normal boot, then 1511 // we need to initialize the default preferred apps. 1512 if (!mRestoredSettings && !onlyCore) { 1513 mSettings.readDefaultPreferredAppsLPw(this, 0); 1514 } 1515 1516 // can downgrade to reader 1517 mSettings.writeLPr(); 1518 1519 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1520 SystemClock.uptimeMillis()); 1521 1522 // Now after opening every single application zip, make sure they 1523 // are all flushed. Not really needed, but keeps things nice and 1524 // tidy. 1525 Runtime.getRuntime().gc(); 1526 1527 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1528 } // synchronized (mPackages) 1529 } // synchronized (mInstallLock) 1530 } 1531 1532 public boolean isFirstBoot() { 1533 return !mRestoredSettings; 1534 } 1535 1536 public boolean isOnlyCoreApps() { 1537 return mOnlyCore; 1538 } 1539 1540 private String getRequiredVerifierLPr() { 1541 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1542 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1543 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1544 1545 String requiredVerifier = null; 1546 1547 final int N = receivers.size(); 1548 for (int i = 0; i < N; i++) { 1549 final ResolveInfo info = receivers.get(i); 1550 1551 if (info.activityInfo == null) { 1552 continue; 1553 } 1554 1555 final String packageName = info.activityInfo.packageName; 1556 1557 final PackageSetting ps = mSettings.mPackages.get(packageName); 1558 if (ps == null) { 1559 continue; 1560 } 1561 1562 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1563 if (!gp.grantedPermissions 1564 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1565 continue; 1566 } 1567 1568 if (requiredVerifier != null) { 1569 throw new RuntimeException("There can be only one required verifier"); 1570 } 1571 1572 requiredVerifier = packageName; 1573 } 1574 1575 return requiredVerifier; 1576 } 1577 1578 @Override 1579 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1580 throws RemoteException { 1581 try { 1582 return super.onTransact(code, data, reply, flags); 1583 } catch (RuntimeException e) { 1584 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1585 Slog.wtf(TAG, "Package Manager Crash", e); 1586 } 1587 throw e; 1588 } 1589 } 1590 1591 void cleanupInstallFailedPackage(PackageSetting ps) { 1592 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1593 removeDataDirsLI(ps.name); 1594 if (ps.codePath != null) { 1595 if (!ps.codePath.delete()) { 1596 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1597 } 1598 } 1599 if (ps.resourcePath != null) { 1600 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1601 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1602 } 1603 } 1604 mSettings.removePackageLPw(ps.name); 1605 } 1606 1607 void readPermissions() { 1608 // Read permissions from .../etc/permission directory. 1609 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1610 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1611 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1612 return; 1613 } 1614 if (!libraryDir.canRead()) { 1615 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1616 return; 1617 } 1618 1619 // Iterate over the files in the directory and scan .xml files 1620 for (File f : libraryDir.listFiles()) { 1621 // We'll read platform.xml last 1622 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1623 continue; 1624 } 1625 1626 if (!f.getPath().endsWith(".xml")) { 1627 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1628 continue; 1629 } 1630 if (!f.canRead()) { 1631 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1632 continue; 1633 } 1634 1635 readPermissionsFromXml(f); 1636 } 1637 1638 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1639 final File permFile = new File(Environment.getRootDirectory(), 1640 "etc/permissions/platform.xml"); 1641 readPermissionsFromXml(permFile); 1642 } 1643 1644 private void readPermissionsFromXml(File permFile) { 1645 FileReader permReader = null; 1646 try { 1647 permReader = new FileReader(permFile); 1648 } catch (FileNotFoundException e) { 1649 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1650 return; 1651 } 1652 1653 try { 1654 XmlPullParser parser = Xml.newPullParser(); 1655 parser.setInput(permReader); 1656 1657 XmlUtils.beginDocument(parser, "permissions"); 1658 1659 while (true) { 1660 XmlUtils.nextElement(parser); 1661 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1662 break; 1663 } 1664 1665 String name = parser.getName(); 1666 if ("group".equals(name)) { 1667 String gidStr = parser.getAttributeValue(null, "gid"); 1668 if (gidStr != null) { 1669 int gid = Process.getGidForName(gidStr); 1670 mGlobalGids = appendInt(mGlobalGids, gid); 1671 } else { 1672 Slog.w(TAG, "<group> without gid at " 1673 + parser.getPositionDescription()); 1674 } 1675 1676 XmlUtils.skipCurrentTag(parser); 1677 continue; 1678 } else if ("permission".equals(name)) { 1679 String perm = parser.getAttributeValue(null, "name"); 1680 if (perm == null) { 1681 Slog.w(TAG, "<permission> without name at " 1682 + parser.getPositionDescription()); 1683 XmlUtils.skipCurrentTag(parser); 1684 continue; 1685 } 1686 perm = perm.intern(); 1687 readPermission(parser, perm); 1688 1689 } else if ("assign-permission".equals(name)) { 1690 String perm = parser.getAttributeValue(null, "name"); 1691 if (perm == null) { 1692 Slog.w(TAG, "<assign-permission> without name at " 1693 + parser.getPositionDescription()); 1694 XmlUtils.skipCurrentTag(parser); 1695 continue; 1696 } 1697 String uidStr = parser.getAttributeValue(null, "uid"); 1698 if (uidStr == null) { 1699 Slog.w(TAG, "<assign-permission> without uid at " 1700 + parser.getPositionDescription()); 1701 XmlUtils.skipCurrentTag(parser); 1702 continue; 1703 } 1704 int uid = Process.getUidForName(uidStr); 1705 if (uid < 0) { 1706 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1707 + uidStr + "\" at " 1708 + parser.getPositionDescription()); 1709 XmlUtils.skipCurrentTag(parser); 1710 continue; 1711 } 1712 perm = perm.intern(); 1713 HashSet<String> perms = mSystemPermissions.get(uid); 1714 if (perms == null) { 1715 perms = new HashSet<String>(); 1716 mSystemPermissions.put(uid, perms); 1717 } 1718 perms.add(perm); 1719 XmlUtils.skipCurrentTag(parser); 1720 1721 } else if ("library".equals(name)) { 1722 String lname = parser.getAttributeValue(null, "name"); 1723 String lfile = parser.getAttributeValue(null, "file"); 1724 if (lname == null) { 1725 Slog.w(TAG, "<library> without name at " 1726 + parser.getPositionDescription()); 1727 } else if (lfile == null) { 1728 Slog.w(TAG, "<library> without file at " 1729 + parser.getPositionDescription()); 1730 } else { 1731 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1732 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1733 } 1734 XmlUtils.skipCurrentTag(parser); 1735 continue; 1736 1737 } else if ("feature".equals(name)) { 1738 String fname = parser.getAttributeValue(null, "name"); 1739 if (fname == null) { 1740 Slog.w(TAG, "<feature> without name at " 1741 + parser.getPositionDescription()); 1742 } else { 1743 //Log.i(TAG, "Got feature " + fname); 1744 FeatureInfo fi = new FeatureInfo(); 1745 fi.name = fname; 1746 mAvailableFeatures.put(fname, fi); 1747 } 1748 XmlUtils.skipCurrentTag(parser); 1749 continue; 1750 1751 } else { 1752 XmlUtils.skipCurrentTag(parser); 1753 continue; 1754 } 1755 1756 } 1757 permReader.close(); 1758 } catch (XmlPullParserException e) { 1759 Slog.w(TAG, "Got execption parsing permissions.", e); 1760 } catch (IOException e) { 1761 Slog.w(TAG, "Got execption parsing permissions.", e); 1762 } 1763 } 1764 1765 void readPermission(XmlPullParser parser, String name) 1766 throws IOException, XmlPullParserException { 1767 1768 name = name.intern(); 1769 1770 BasePermission bp = mSettings.mPermissions.get(name); 1771 if (bp == null) { 1772 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1773 mSettings.mPermissions.put(name, bp); 1774 } 1775 int outerDepth = parser.getDepth(); 1776 int type; 1777 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1778 && (type != XmlPullParser.END_TAG 1779 || parser.getDepth() > outerDepth)) { 1780 if (type == XmlPullParser.END_TAG 1781 || type == XmlPullParser.TEXT) { 1782 continue; 1783 } 1784 1785 String tagName = parser.getName(); 1786 if ("group".equals(tagName)) { 1787 String gidStr = parser.getAttributeValue(null, "gid"); 1788 if (gidStr != null) { 1789 int gid = Process.getGidForName(gidStr); 1790 bp.gids = appendInt(bp.gids, gid); 1791 } else { 1792 Slog.w(TAG, "<group> without gid at " 1793 + parser.getPositionDescription()); 1794 } 1795 } 1796 XmlUtils.skipCurrentTag(parser); 1797 } 1798 } 1799 1800 static int[] appendInts(int[] cur, int[] add) { 1801 if (add == null) return cur; 1802 if (cur == null) return add; 1803 final int N = add.length; 1804 for (int i=0; i<N; i++) { 1805 cur = appendInt(cur, add[i]); 1806 } 1807 return cur; 1808 } 1809 1810 static int[] removeInts(int[] cur, int[] rem) { 1811 if (rem == null) return cur; 1812 if (cur == null) return cur; 1813 final int N = rem.length; 1814 for (int i=0; i<N; i++) { 1815 cur = removeInt(cur, rem[i]); 1816 } 1817 return cur; 1818 } 1819 1820 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1821 if (!sUserManager.exists(userId)) return null; 1822 final PackageSetting ps = (PackageSetting) p.mExtras; 1823 if (ps == null) { 1824 return null; 1825 } 1826 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1827 final PackageUserState state = ps.readUserState(userId); 1828 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1829 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1830 state, userId); 1831 } 1832 1833 public boolean isPackageAvailable(String packageName, int userId) { 1834 if (!sUserManager.exists(userId)) return false; 1835 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1836 synchronized (mPackages) { 1837 PackageParser.Package p = mPackages.get(packageName); 1838 if (p != null) { 1839 final PackageSetting ps = (PackageSetting) p.mExtras; 1840 if (ps != null) { 1841 final PackageUserState state = ps.readUserState(userId); 1842 if (state != null) { 1843 return PackageParser.isAvailable(state); 1844 } 1845 } 1846 } 1847 } 1848 return false; 1849 } 1850 1851 @Override 1852 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1853 if (!sUserManager.exists(userId)) return null; 1854 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1855 // reader 1856 synchronized (mPackages) { 1857 PackageParser.Package p = mPackages.get(packageName); 1858 if (DEBUG_PACKAGE_INFO) 1859 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1860 if (p != null) { 1861 return generatePackageInfo(p, flags, userId); 1862 } 1863 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1864 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1865 } 1866 } 1867 return null; 1868 } 1869 1870 public String[] currentToCanonicalPackageNames(String[] names) { 1871 String[] out = new String[names.length]; 1872 // reader 1873 synchronized (mPackages) { 1874 for (int i=names.length-1; i>=0; i--) { 1875 PackageSetting ps = mSettings.mPackages.get(names[i]); 1876 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1877 } 1878 } 1879 return out; 1880 } 1881 1882 public String[] canonicalToCurrentPackageNames(String[] names) { 1883 String[] out = new String[names.length]; 1884 // reader 1885 synchronized (mPackages) { 1886 for (int i=names.length-1; i>=0; i--) { 1887 String cur = mSettings.mRenamedPackages.get(names[i]); 1888 out[i] = cur != null ? cur : names[i]; 1889 } 1890 } 1891 return out; 1892 } 1893 1894 @Override 1895 public int getPackageUid(String packageName, int userId) { 1896 if (!sUserManager.exists(userId)) return -1; 1897 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1898 // reader 1899 synchronized (mPackages) { 1900 PackageParser.Package p = mPackages.get(packageName); 1901 if(p != null) { 1902 return UserHandle.getUid(userId, p.applicationInfo.uid); 1903 } 1904 PackageSetting ps = mSettings.mPackages.get(packageName); 1905 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1906 return -1; 1907 } 1908 p = ps.pkg; 1909 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1910 } 1911 } 1912 1913 @Override 1914 public int[] getPackageGids(String packageName) { 1915 // reader 1916 synchronized (mPackages) { 1917 PackageParser.Package p = mPackages.get(packageName); 1918 if (DEBUG_PACKAGE_INFO) 1919 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1920 if (p != null) { 1921 final PackageSetting ps = (PackageSetting)p.mExtras; 1922 return ps.getGids(); 1923 } 1924 } 1925 // stupid thing to indicate an error. 1926 return new int[0]; 1927 } 1928 1929 static final PermissionInfo generatePermissionInfo( 1930 BasePermission bp, int flags) { 1931 if (bp.perm != null) { 1932 return PackageParser.generatePermissionInfo(bp.perm, flags); 1933 } 1934 PermissionInfo pi = new PermissionInfo(); 1935 pi.name = bp.name; 1936 pi.packageName = bp.sourcePackage; 1937 pi.nonLocalizedLabel = bp.name; 1938 pi.protectionLevel = bp.protectionLevel; 1939 return pi; 1940 } 1941 1942 public PermissionInfo getPermissionInfo(String name, int flags) { 1943 // reader 1944 synchronized (mPackages) { 1945 final BasePermission p = mSettings.mPermissions.get(name); 1946 if (p != null) { 1947 return generatePermissionInfo(p, flags); 1948 } 1949 return null; 1950 } 1951 } 1952 1953 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1954 // reader 1955 synchronized (mPackages) { 1956 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1957 for (BasePermission p : mSettings.mPermissions.values()) { 1958 if (group == null) { 1959 if (p.perm == null || p.perm.info.group == null) { 1960 out.add(generatePermissionInfo(p, flags)); 1961 } 1962 } else { 1963 if (p.perm != null && group.equals(p.perm.info.group)) { 1964 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1965 } 1966 } 1967 } 1968 1969 if (out.size() > 0) { 1970 return out; 1971 } 1972 return mPermissionGroups.containsKey(group) ? out : null; 1973 } 1974 } 1975 1976 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1977 // reader 1978 synchronized (mPackages) { 1979 return PackageParser.generatePermissionGroupInfo( 1980 mPermissionGroups.get(name), flags); 1981 } 1982 } 1983 1984 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1985 // reader 1986 synchronized (mPackages) { 1987 final int N = mPermissionGroups.size(); 1988 ArrayList<PermissionGroupInfo> out 1989 = new ArrayList<PermissionGroupInfo>(N); 1990 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 1991 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 1992 } 1993 return out; 1994 } 1995 } 1996 1997 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 1998 int userId) { 1999 if (!sUserManager.exists(userId)) return null; 2000 PackageSetting ps = mSettings.mPackages.get(packageName); 2001 if (ps != null) { 2002 if (ps.pkg == null) { 2003 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2004 flags, userId); 2005 if (pInfo != null) { 2006 return pInfo.applicationInfo; 2007 } 2008 return null; 2009 } 2010 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2011 ps.readUserState(userId), userId); 2012 } 2013 return null; 2014 } 2015 2016 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2017 int userId) { 2018 if (!sUserManager.exists(userId)) return null; 2019 PackageSetting ps = mSettings.mPackages.get(packageName); 2020 if (ps != null) { 2021 PackageParser.Package pkg = ps.pkg; 2022 if (pkg == null) { 2023 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2024 return null; 2025 } 2026 pkg = new PackageParser.Package(packageName); 2027 pkg.applicationInfo.packageName = packageName; 2028 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2029 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2030 pkg.applicationInfo.sourceDir = ps.codePathString; 2031 pkg.applicationInfo.dataDir = 2032 getDataPathForPackage(packageName, 0).getPath(); 2033 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2034 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2035 } 2036 return generatePackageInfo(pkg, flags, userId); 2037 } 2038 return null; 2039 } 2040 2041 @Override 2042 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2043 if (!sUserManager.exists(userId)) return null; 2044 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2045 // writer 2046 synchronized (mPackages) { 2047 PackageParser.Package p = mPackages.get(packageName); 2048 if (DEBUG_PACKAGE_INFO) Log.v( 2049 TAG, "getApplicationInfo " + packageName 2050 + ": " + p); 2051 if (p != null) { 2052 PackageSetting ps = mSettings.mPackages.get(packageName); 2053 if (ps == null) return null; 2054 // Note: isEnabledLP() does not apply here - always return info 2055 return PackageParser.generateApplicationInfo( 2056 p, flags, ps.readUserState(userId), userId); 2057 } 2058 if ("android".equals(packageName)||"system".equals(packageName)) { 2059 return mAndroidApplication; 2060 } 2061 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2062 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2063 } 2064 } 2065 return null; 2066 } 2067 2068 2069 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2070 mContext.enforceCallingOrSelfPermission( 2071 android.Manifest.permission.CLEAR_APP_CACHE, null); 2072 // Queue up an async operation since clearing cache may take a little while. 2073 mHandler.post(new Runnable() { 2074 public void run() { 2075 mHandler.removeCallbacks(this); 2076 int retCode = -1; 2077 synchronized (mInstallLock) { 2078 retCode = mInstaller.freeCache(freeStorageSize); 2079 if (retCode < 0) { 2080 Slog.w(TAG, "Couldn't clear application caches"); 2081 } 2082 } 2083 if (observer != null) { 2084 try { 2085 observer.onRemoveCompleted(null, (retCode >= 0)); 2086 } catch (RemoteException e) { 2087 Slog.w(TAG, "RemoveException when invoking call back"); 2088 } 2089 } 2090 } 2091 }); 2092 } 2093 2094 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2095 mContext.enforceCallingOrSelfPermission( 2096 android.Manifest.permission.CLEAR_APP_CACHE, null); 2097 // Queue up an async operation since clearing cache may take a little while. 2098 mHandler.post(new Runnable() { 2099 public void run() { 2100 mHandler.removeCallbacks(this); 2101 int retCode = -1; 2102 synchronized (mInstallLock) { 2103 retCode = mInstaller.freeCache(freeStorageSize); 2104 if (retCode < 0) { 2105 Slog.w(TAG, "Couldn't clear application caches"); 2106 } 2107 } 2108 if(pi != null) { 2109 try { 2110 // Callback via pending intent 2111 int code = (retCode >= 0) ? 1 : 0; 2112 pi.sendIntent(null, code, null, 2113 null, null); 2114 } catch (SendIntentException e1) { 2115 Slog.i(TAG, "Failed to send pending intent"); 2116 } 2117 } 2118 } 2119 }); 2120 } 2121 2122 @Override 2123 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2124 if (!sUserManager.exists(userId)) return null; 2125 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2126 synchronized (mPackages) { 2127 PackageParser.Activity a = mActivities.mActivities.get(component); 2128 2129 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2130 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2131 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2132 if (ps == null) return null; 2133 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2134 userId); 2135 } 2136 if (mResolveComponentName.equals(component)) { 2137 return mResolveActivity; 2138 } 2139 } 2140 return null; 2141 } 2142 2143 @Override 2144 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2145 if (!sUserManager.exists(userId)) return null; 2146 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2147 synchronized (mPackages) { 2148 PackageParser.Activity a = mReceivers.mActivities.get(component); 2149 if (DEBUG_PACKAGE_INFO) Log.v( 2150 TAG, "getReceiverInfo " + component + ": " + a); 2151 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2152 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2153 if (ps == null) return null; 2154 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2155 userId); 2156 } 2157 } 2158 return null; 2159 } 2160 2161 @Override 2162 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2163 if (!sUserManager.exists(userId)) return null; 2164 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2165 synchronized (mPackages) { 2166 PackageParser.Service s = mServices.mServices.get(component); 2167 if (DEBUG_PACKAGE_INFO) Log.v( 2168 TAG, "getServiceInfo " + component + ": " + s); 2169 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2170 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2171 if (ps == null) return null; 2172 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2173 userId); 2174 } 2175 } 2176 return null; 2177 } 2178 2179 @Override 2180 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2181 if (!sUserManager.exists(userId)) return null; 2182 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2183 synchronized (mPackages) { 2184 PackageParser.Provider p = mProviders.mProviders.get(component); 2185 if (DEBUG_PACKAGE_INFO) Log.v( 2186 TAG, "getProviderInfo " + component + ": " + p); 2187 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2188 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2189 if (ps == null) return null; 2190 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2191 userId); 2192 } 2193 } 2194 return null; 2195 } 2196 2197 public String[] getSystemSharedLibraryNames() { 2198 Set<String> libSet; 2199 synchronized (mPackages) { 2200 libSet = mSharedLibraries.keySet(); 2201 int size = libSet.size(); 2202 if (size > 0) { 2203 String[] libs = new String[size]; 2204 libSet.toArray(libs); 2205 return libs; 2206 } 2207 } 2208 return null; 2209 } 2210 2211 public FeatureInfo[] getSystemAvailableFeatures() { 2212 Collection<FeatureInfo> featSet; 2213 synchronized (mPackages) { 2214 featSet = mAvailableFeatures.values(); 2215 int size = featSet.size(); 2216 if (size > 0) { 2217 FeatureInfo[] features = new FeatureInfo[size+1]; 2218 featSet.toArray(features); 2219 FeatureInfo fi = new FeatureInfo(); 2220 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2221 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2222 features[size] = fi; 2223 return features; 2224 } 2225 } 2226 return null; 2227 } 2228 2229 public boolean hasSystemFeature(String name) { 2230 synchronized (mPackages) { 2231 return mAvailableFeatures.containsKey(name); 2232 } 2233 } 2234 2235 private void checkValidCaller(int uid, int userId) { 2236 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2237 return; 2238 2239 throw new SecurityException("Caller uid=" + uid 2240 + " is not privileged to communicate with user=" + userId); 2241 } 2242 2243 public int checkPermission(String permName, String pkgName) { 2244 synchronized (mPackages) { 2245 PackageParser.Package p = mPackages.get(pkgName); 2246 if (p != null && p.mExtras != null) { 2247 PackageSetting ps = (PackageSetting)p.mExtras; 2248 if (ps.sharedUser != null) { 2249 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2250 return PackageManager.PERMISSION_GRANTED; 2251 } 2252 } else if (ps.grantedPermissions.contains(permName)) { 2253 return PackageManager.PERMISSION_GRANTED; 2254 } 2255 } 2256 } 2257 return PackageManager.PERMISSION_DENIED; 2258 } 2259 2260 public int checkUidPermission(String permName, int uid) { 2261 synchronized (mPackages) { 2262 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2263 if (obj != null) { 2264 GrantedPermissions gp = (GrantedPermissions)obj; 2265 if (gp.grantedPermissions.contains(permName)) { 2266 return PackageManager.PERMISSION_GRANTED; 2267 } 2268 } else { 2269 HashSet<String> perms = mSystemPermissions.get(uid); 2270 if (perms != null && perms.contains(permName)) { 2271 return PackageManager.PERMISSION_GRANTED; 2272 } 2273 } 2274 } 2275 return PackageManager.PERMISSION_DENIED; 2276 } 2277 2278 /** 2279 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2280 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2281 * @param message the message to log on security exception 2282 * @return 2283 */ 2284 private void enforceCrossUserPermission(int callingUid, int userId, 2285 boolean requireFullPermission, String message) { 2286 if (userId < 0) { 2287 throw new IllegalArgumentException("Invalid userId " + userId); 2288 } 2289 if (userId == UserHandle.getUserId(callingUid)) return; 2290 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2291 if (requireFullPermission) { 2292 mContext.enforceCallingOrSelfPermission( 2293 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2294 } else { 2295 try { 2296 mContext.enforceCallingOrSelfPermission( 2297 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2298 } catch (SecurityException se) { 2299 mContext.enforceCallingOrSelfPermission( 2300 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2301 } 2302 } 2303 } 2304 } 2305 2306 private BasePermission findPermissionTreeLP(String permName) { 2307 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2308 if (permName.startsWith(bp.name) && 2309 permName.length() > bp.name.length() && 2310 permName.charAt(bp.name.length()) == '.') { 2311 return bp; 2312 } 2313 } 2314 return null; 2315 } 2316 2317 private BasePermission checkPermissionTreeLP(String permName) { 2318 if (permName != null) { 2319 BasePermission bp = findPermissionTreeLP(permName); 2320 if (bp != null) { 2321 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2322 return bp; 2323 } 2324 throw new SecurityException("Calling uid " 2325 + Binder.getCallingUid() 2326 + " is not allowed to add to permission tree " 2327 + bp.name + " owned by uid " + bp.uid); 2328 } 2329 } 2330 throw new SecurityException("No permission tree found for " + permName); 2331 } 2332 2333 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2334 if (s1 == null) { 2335 return s2 == null; 2336 } 2337 if (s2 == null) { 2338 return false; 2339 } 2340 if (s1.getClass() != s2.getClass()) { 2341 return false; 2342 } 2343 return s1.equals(s2); 2344 } 2345 2346 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2347 if (pi1.icon != pi2.icon) return false; 2348 if (pi1.logo != pi2.logo) return false; 2349 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2350 if (!compareStrings(pi1.name, pi2.name)) return false; 2351 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2352 // We'll take care of setting this one. 2353 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2354 // These are not currently stored in settings. 2355 //if (!compareStrings(pi1.group, pi2.group)) return false; 2356 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2357 //if (pi1.labelRes != pi2.labelRes) return false; 2358 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2359 return true; 2360 } 2361 2362 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2363 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2364 throw new SecurityException("Label must be specified in permission"); 2365 } 2366 BasePermission tree = checkPermissionTreeLP(info.name); 2367 BasePermission bp = mSettings.mPermissions.get(info.name); 2368 boolean added = bp == null; 2369 boolean changed = true; 2370 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2371 if (added) { 2372 bp = new BasePermission(info.name, tree.sourcePackage, 2373 BasePermission.TYPE_DYNAMIC); 2374 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2375 throw new SecurityException( 2376 "Not allowed to modify non-dynamic permission " 2377 + info.name); 2378 } else { 2379 if (bp.protectionLevel == fixedLevel 2380 && bp.perm.owner.equals(tree.perm.owner) 2381 && bp.uid == tree.uid 2382 && comparePermissionInfos(bp.perm.info, info)) { 2383 changed = false; 2384 } 2385 } 2386 bp.protectionLevel = fixedLevel; 2387 info = new PermissionInfo(info); 2388 info.protectionLevel = fixedLevel; 2389 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2390 bp.perm.info.packageName = tree.perm.info.packageName; 2391 bp.uid = tree.uid; 2392 if (added) { 2393 mSettings.mPermissions.put(info.name, bp); 2394 } 2395 if (changed) { 2396 if (!async) { 2397 mSettings.writeLPr(); 2398 } else { 2399 scheduleWriteSettingsLocked(); 2400 } 2401 } 2402 return added; 2403 } 2404 2405 public boolean addPermission(PermissionInfo info) { 2406 synchronized (mPackages) { 2407 return addPermissionLocked(info, false); 2408 } 2409 } 2410 2411 public boolean addPermissionAsync(PermissionInfo info) { 2412 synchronized (mPackages) { 2413 return addPermissionLocked(info, true); 2414 } 2415 } 2416 2417 public void removePermission(String name) { 2418 synchronized (mPackages) { 2419 checkPermissionTreeLP(name); 2420 BasePermission bp = mSettings.mPermissions.get(name); 2421 if (bp != null) { 2422 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2423 throw new SecurityException( 2424 "Not allowed to modify non-dynamic permission " 2425 + name); 2426 } 2427 mSettings.mPermissions.remove(name); 2428 mSettings.writeLPr(); 2429 } 2430 } 2431 } 2432 2433 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2434 int index = pkg.requestedPermissions.indexOf(bp.name); 2435 if (index == -1) { 2436 throw new SecurityException("Package " + pkg.packageName 2437 + " has not requested permission " + bp.name); 2438 } 2439 boolean isNormal = 2440 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2441 == PermissionInfo.PROTECTION_NORMAL); 2442 boolean isDangerous = 2443 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2444 == PermissionInfo.PROTECTION_DANGEROUS); 2445 boolean isDevelopment = 2446 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2447 2448 if (!isNormal && !isDangerous && !isDevelopment) { 2449 throw new SecurityException("Permission " + bp.name 2450 + " is not a changeable permission type"); 2451 } 2452 2453 if (isNormal || isDangerous) { 2454 if (pkg.requestedPermissionsRequired.get(index)) { 2455 throw new SecurityException("Can't change " + bp.name 2456 + ". It is required by the application"); 2457 } 2458 } 2459 } 2460 2461 public void grantPermission(String packageName, String permissionName) { 2462 mContext.enforceCallingOrSelfPermission( 2463 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2464 synchronized (mPackages) { 2465 final PackageParser.Package pkg = mPackages.get(packageName); 2466 if (pkg == null) { 2467 throw new IllegalArgumentException("Unknown package: " + packageName); 2468 } 2469 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2470 if (bp == null) { 2471 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2472 } 2473 2474 checkGrantRevokePermissions(pkg, bp); 2475 2476 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2477 if (ps == null) { 2478 return; 2479 } 2480 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2481 if (gp.grantedPermissions.add(permissionName)) { 2482 if (ps.haveGids) { 2483 gp.gids = appendInts(gp.gids, bp.gids); 2484 } 2485 mSettings.writeLPr(); 2486 } 2487 } 2488 } 2489 2490 public void revokePermission(String packageName, String permissionName) { 2491 int changedAppId = -1; 2492 2493 synchronized (mPackages) { 2494 final PackageParser.Package pkg = mPackages.get(packageName); 2495 if (pkg == null) { 2496 throw new IllegalArgumentException("Unknown package: " + packageName); 2497 } 2498 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2499 mContext.enforceCallingOrSelfPermission( 2500 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2501 } 2502 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2503 if (bp == null) { 2504 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2505 } 2506 2507 checkGrantRevokePermissions(pkg, bp); 2508 2509 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2510 if (ps == null) { 2511 return; 2512 } 2513 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2514 if (gp.grantedPermissions.remove(permissionName)) { 2515 gp.grantedPermissions.remove(permissionName); 2516 if (ps.haveGids) { 2517 gp.gids = removeInts(gp.gids, bp.gids); 2518 } 2519 mSettings.writeLPr(); 2520 changedAppId = ps.appId; 2521 } 2522 } 2523 2524 if (changedAppId >= 0) { 2525 // We changed the perm on someone, kill its processes. 2526 IActivityManager am = ActivityManagerNative.getDefault(); 2527 if (am != null) { 2528 final int callingUserId = UserHandle.getCallingUserId(); 2529 final long ident = Binder.clearCallingIdentity(); 2530 try { 2531 //XXX we should only revoke for the calling user's app permissions, 2532 // but for now we impact all users. 2533 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2534 // "revoke " + permissionName); 2535 int[] users = sUserManager.getUserIds(); 2536 for (int user : users) { 2537 am.killUid(UserHandle.getUid(user, changedAppId), 2538 "revoke " + permissionName); 2539 } 2540 } catch (RemoteException e) { 2541 } finally { 2542 Binder.restoreCallingIdentity(ident); 2543 } 2544 } 2545 } 2546 } 2547 2548 public boolean isProtectedBroadcast(String actionName) { 2549 synchronized (mPackages) { 2550 return mProtectedBroadcasts.contains(actionName); 2551 } 2552 } 2553 2554 public int checkSignatures(String pkg1, String pkg2) { 2555 synchronized (mPackages) { 2556 final PackageParser.Package p1 = mPackages.get(pkg1); 2557 final PackageParser.Package p2 = mPackages.get(pkg2); 2558 if (p1 == null || p1.mExtras == null 2559 || p2 == null || p2.mExtras == null) { 2560 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2561 } 2562 return compareSignatures(p1.mSignatures, p2.mSignatures); 2563 } 2564 } 2565 2566 public int checkUidSignatures(int uid1, int uid2) { 2567 // Map to base uids. 2568 uid1 = UserHandle.getAppId(uid1); 2569 uid2 = UserHandle.getAppId(uid2); 2570 // reader 2571 synchronized (mPackages) { 2572 Signature[] s1; 2573 Signature[] s2; 2574 Object obj = mSettings.getUserIdLPr(uid1); 2575 if (obj != null) { 2576 if (obj instanceof SharedUserSetting) { 2577 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2578 } else if (obj instanceof PackageSetting) { 2579 s1 = ((PackageSetting)obj).signatures.mSignatures; 2580 } else { 2581 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2582 } 2583 } else { 2584 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2585 } 2586 obj = mSettings.getUserIdLPr(uid2); 2587 if (obj != null) { 2588 if (obj instanceof SharedUserSetting) { 2589 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2590 } else if (obj instanceof PackageSetting) { 2591 s2 = ((PackageSetting)obj).signatures.mSignatures; 2592 } else { 2593 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2594 } 2595 } else { 2596 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2597 } 2598 return compareSignatures(s1, s2); 2599 } 2600 } 2601 2602 /** 2603 * Compares two sets of signatures. Returns: 2604 * <br /> 2605 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2606 * <br /> 2607 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2608 * <br /> 2609 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2610 * <br /> 2611 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2612 * <br /> 2613 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2614 */ 2615 static int compareSignatures(Signature[] s1, Signature[] s2) { 2616 if (s1 == null) { 2617 return s2 == null 2618 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2619 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2620 } 2621 2622 if (s2 == null) { 2623 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2624 } 2625 2626 if (s1.length != s2.length) { 2627 return PackageManager.SIGNATURE_NO_MATCH; 2628 } 2629 2630 // Since both signature sets are of size 1, we can compare without HashSets. 2631 if (s1.length == 1) { 2632 return s1[0].equals(s2[0]) ? 2633 PackageManager.SIGNATURE_MATCH : 2634 PackageManager.SIGNATURE_NO_MATCH; 2635 } 2636 2637 HashSet<Signature> set1 = new HashSet<Signature>(); 2638 for (Signature sig : s1) { 2639 set1.add(sig); 2640 } 2641 HashSet<Signature> set2 = new HashSet<Signature>(); 2642 for (Signature sig : s2) { 2643 set2.add(sig); 2644 } 2645 // Make sure s2 contains all signatures in s1. 2646 if (set1.equals(set2)) { 2647 return PackageManager.SIGNATURE_MATCH; 2648 } 2649 return PackageManager.SIGNATURE_NO_MATCH; 2650 } 2651 2652 public String[] getPackagesForUid(int uid) { 2653 uid = UserHandle.getAppId(uid); 2654 // reader 2655 synchronized (mPackages) { 2656 Object obj = mSettings.getUserIdLPr(uid); 2657 if (obj instanceof SharedUserSetting) { 2658 final SharedUserSetting sus = (SharedUserSetting) obj; 2659 final int N = sus.packages.size(); 2660 final String[] res = new String[N]; 2661 final Iterator<PackageSetting> it = sus.packages.iterator(); 2662 int i = 0; 2663 while (it.hasNext()) { 2664 res[i++] = it.next().name; 2665 } 2666 return res; 2667 } else if (obj instanceof PackageSetting) { 2668 final PackageSetting ps = (PackageSetting) obj; 2669 return new String[] { ps.name }; 2670 } 2671 } 2672 return null; 2673 } 2674 2675 public String getNameForUid(int uid) { 2676 // reader 2677 synchronized (mPackages) { 2678 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2679 if (obj instanceof SharedUserSetting) { 2680 final SharedUserSetting sus = (SharedUserSetting) obj; 2681 return sus.name + ":" + sus.userId; 2682 } else if (obj instanceof PackageSetting) { 2683 final PackageSetting ps = (PackageSetting) obj; 2684 return ps.name; 2685 } 2686 } 2687 return null; 2688 } 2689 2690 public int getUidForSharedUser(String sharedUserName) { 2691 if(sharedUserName == null) { 2692 return -1; 2693 } 2694 // reader 2695 synchronized (mPackages) { 2696 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2697 if (suid == null) { 2698 return -1; 2699 } 2700 return suid.userId; 2701 } 2702 } 2703 2704 public int getFlagsForUid(int uid) { 2705 synchronized (mPackages) { 2706 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2707 if (obj instanceof SharedUserSetting) { 2708 final SharedUserSetting sus = (SharedUserSetting) obj; 2709 return sus.pkgFlags; 2710 } else if (obj instanceof PackageSetting) { 2711 final PackageSetting ps = (PackageSetting) obj; 2712 return ps.pkgFlags; 2713 } 2714 } 2715 return 0; 2716 } 2717 2718 @Override 2719 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2720 int flags, int userId) { 2721 if (!sUserManager.exists(userId)) return null; 2722 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2723 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2724 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2725 } 2726 2727 @Override 2728 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2729 IntentFilter filter, int match, ComponentName activity) { 2730 final int userId = UserHandle.getCallingUserId(); 2731 if (DEBUG_PREFERRED) { 2732 Log.v(TAG, "setLastChosenActivity intent=" + intent 2733 + " resolvedType=" + resolvedType 2734 + " flags=" + flags 2735 + " filter=" + filter 2736 + " match=" + match 2737 + " activity=" + activity); 2738 filter.dump(new PrintStreamPrinter(System.out), " "); 2739 } 2740 intent.setComponent(null); 2741 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2742 // Find any earlier preferred or last chosen entries and nuke them 2743 findPreferredActivity(intent, resolvedType, 2744 flags, query, 0, false, true, false, userId); 2745 // Add the new activity as the last chosen for this filter 2746 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2747 } 2748 2749 @Override 2750 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2751 final int userId = UserHandle.getCallingUserId(); 2752 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2753 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2754 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2755 false, false, false, userId); 2756 } 2757 2758 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2759 int flags, List<ResolveInfo> query, int userId) { 2760 if (query != null) { 2761 final int N = query.size(); 2762 if (N == 1) { 2763 return query.get(0); 2764 } else if (N > 1) { 2765 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2766 // If there is more than one activity with the same priority, 2767 // then let the user decide between them. 2768 ResolveInfo r0 = query.get(0); 2769 ResolveInfo r1 = query.get(1); 2770 if (DEBUG_INTENT_MATCHING || debug) { 2771 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2772 + r1.activityInfo.name + "=" + r1.priority); 2773 } 2774 // If the first activity has a higher priority, or a different 2775 // default, then it is always desireable to pick it. 2776 if (r0.priority != r1.priority 2777 || r0.preferredOrder != r1.preferredOrder 2778 || r0.isDefault != r1.isDefault) { 2779 return query.get(0); 2780 } 2781 // If we have saved a preference for a preferred activity for 2782 // this Intent, use that. 2783 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2784 flags, query, r0.priority, true, false, debug, userId); 2785 if (ri != null) { 2786 return ri; 2787 } 2788 if (userId != 0) { 2789 ri = new ResolveInfo(mResolveInfo); 2790 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2791 ri.activityInfo.applicationInfo = new ApplicationInfo( 2792 ri.activityInfo.applicationInfo); 2793 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2794 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2795 return ri; 2796 } 2797 return mResolveInfo; 2798 } 2799 } 2800 return null; 2801 } 2802 2803 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2804 List<ResolveInfo> query, int priority, boolean always, 2805 boolean removeMatches, boolean debug, int userId) { 2806 if (!sUserManager.exists(userId)) return null; 2807 // writer 2808 synchronized (mPackages) { 2809 if (intent.getSelector() != null) { 2810 intent = intent.getSelector(); 2811 } 2812 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2813 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2814 // Get the list of preferred activities that handle the intent 2815 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2816 List<PreferredActivity> prefs = pir != null 2817 ? pir.queryIntent(intent, resolvedType, 2818 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2819 : null; 2820 if (prefs != null && prefs.size() > 0) { 2821 // First figure out how good the original match set is. 2822 // We will only allow preferred activities that came 2823 // from the same match quality. 2824 int match = 0; 2825 2826 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2827 2828 final int N = query.size(); 2829 for (int j=0; j<N; j++) { 2830 final ResolveInfo ri = query.get(j); 2831 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2832 + ": 0x" + Integer.toHexString(match)); 2833 if (ri.match > match) { 2834 match = ri.match; 2835 } 2836 } 2837 2838 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 2839 + Integer.toHexString(match)); 2840 2841 match &= IntentFilter.MATCH_CATEGORY_MASK; 2842 final int M = prefs.size(); 2843 for (int i=0; i<M; i++) { 2844 final PreferredActivity pa = prefs.get(i); 2845 if (DEBUG_PREFERRED || debug) { 2846 Slog.v(TAG, "Checking PreferredActivity ds=" 2847 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 2848 + "\n component=" + pa.mPref.mComponent); 2849 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2850 } 2851 if (pa.mPref.mMatch != match) { 2852 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 2853 + Integer.toHexString(pa.mPref.mMatch)); 2854 continue; 2855 } 2856 // If it's not an "always" type preferred activity and that's what we're 2857 // looking for, skip it. 2858 if (always && !pa.mPref.mAlways) { 2859 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 2860 continue; 2861 } 2862 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 2863 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2864 if (DEBUG_PREFERRED || debug) { 2865 Slog.v(TAG, "Found preferred activity:"); 2866 if (ai != null) { 2867 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2868 } else { 2869 Slog.v(TAG, " null"); 2870 } 2871 } 2872 if (ai == null) { 2873 // This previously registered preferred activity 2874 // component is no longer known. Most likely an update 2875 // to the app was installed and in the new version this 2876 // component no longer exists. Clean it up by removing 2877 // it from the preferred activities list, and skip it. 2878 Slog.w(TAG, "Removing dangling preferred activity: " 2879 + pa.mPref.mComponent); 2880 pir.removeFilter(pa); 2881 continue; 2882 } 2883 for (int j=0; j<N; j++) { 2884 final ResolveInfo ri = query.get(j); 2885 if (!ri.activityInfo.applicationInfo.packageName 2886 .equals(ai.applicationInfo.packageName)) { 2887 continue; 2888 } 2889 if (!ri.activityInfo.name.equals(ai.name)) { 2890 continue; 2891 } 2892 2893 if (removeMatches) { 2894 pir.removeFilter(pa); 2895 if (DEBUG_PREFERRED) { 2896 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 2897 } 2898 break; 2899 } 2900 2901 // Okay we found a previously set preferred or last chosen app. 2902 // If the result set is different from when this 2903 // was created, we need to clear it and re-ask the 2904 // user their preference, if we're looking for an "always" type entry. 2905 if (always && !pa.mPref.sameSet(query, priority)) { 2906 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2907 + intent + " type " + resolvedType); 2908 if (DEBUG_PREFERRED) { 2909 Slog.v(TAG, "Removing preferred activity since set changed " 2910 + pa.mPref.mComponent); 2911 } 2912 pir.removeFilter(pa); 2913 // Re-add the filter as a "last chosen" entry (!always) 2914 PreferredActivity lastChosen = new PreferredActivity( 2915 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 2916 pir.addFilter(lastChosen); 2917 mSettings.writePackageRestrictionsLPr(userId); 2918 return null; 2919 } 2920 2921 // Yay! Either the set matched or we're looking for the last chosen 2922 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 2923 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2924 mSettings.writePackageRestrictionsLPr(userId); 2925 return ri; 2926 } 2927 } 2928 } 2929 mSettings.writePackageRestrictionsLPr(userId); 2930 } 2931 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 2932 return null; 2933 } 2934 2935 @Override 2936 public List<ResolveInfo> queryIntentActivities(Intent intent, 2937 String resolvedType, int flags, int userId) { 2938 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2939 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 2940 ComponentName comp = intent.getComponent(); 2941 if (comp == null) { 2942 if (intent.getSelector() != null) { 2943 intent = intent.getSelector(); 2944 comp = intent.getComponent(); 2945 } 2946 } 2947 2948 if (comp != null) { 2949 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2950 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 2951 if (ai != null) { 2952 final ResolveInfo ri = new ResolveInfo(); 2953 ri.activityInfo = ai; 2954 list.add(ri); 2955 } 2956 return list; 2957 } 2958 2959 // reader 2960 synchronized (mPackages) { 2961 final String pkgName = intent.getPackage(); 2962 if (pkgName == null) { 2963 return mActivities.queryIntent(intent, resolvedType, flags, userId); 2964 } 2965 final PackageParser.Package pkg = mPackages.get(pkgName); 2966 if (pkg != null) { 2967 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 2968 pkg.activities, userId); 2969 } 2970 return new ArrayList<ResolveInfo>(); 2971 } 2972 } 2973 2974 @Override 2975 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 2976 Intent[] specifics, String[] specificTypes, Intent intent, 2977 String resolvedType, int flags, int userId) { 2978 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2979 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 2980 "query intent activity options"); 2981 final String resultsAction = intent.getAction(); 2982 2983 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 2984 | PackageManager.GET_RESOLVED_FILTER, userId); 2985 2986 if (DEBUG_INTENT_MATCHING) { 2987 Log.v(TAG, "Query " + intent + ": " + results); 2988 } 2989 2990 int specificsPos = 0; 2991 int N; 2992 2993 // todo: note that the algorithm used here is O(N^2). This 2994 // isn't a problem in our current environment, but if we start running 2995 // into situations where we have more than 5 or 10 matches then this 2996 // should probably be changed to something smarter... 2997 2998 // First we go through and resolve each of the specific items 2999 // that were supplied, taking care of removing any corresponding 3000 // duplicate items in the generic resolve list. 3001 if (specifics != null) { 3002 for (int i=0; i<specifics.length; i++) { 3003 final Intent sintent = specifics[i]; 3004 if (sintent == null) { 3005 continue; 3006 } 3007 3008 if (DEBUG_INTENT_MATCHING) { 3009 Log.v(TAG, "Specific #" + i + ": " + sintent); 3010 } 3011 3012 String action = sintent.getAction(); 3013 if (resultsAction != null && resultsAction.equals(action)) { 3014 // If this action was explicitly requested, then don't 3015 // remove things that have it. 3016 action = null; 3017 } 3018 3019 ResolveInfo ri = null; 3020 ActivityInfo ai = null; 3021 3022 ComponentName comp = sintent.getComponent(); 3023 if (comp == null) { 3024 ri = resolveIntent( 3025 sintent, 3026 specificTypes != null ? specificTypes[i] : null, 3027 flags, userId); 3028 if (ri == null) { 3029 continue; 3030 } 3031 if (ri == mResolveInfo) { 3032 // ACK! Must do something better with this. 3033 } 3034 ai = ri.activityInfo; 3035 comp = new ComponentName(ai.applicationInfo.packageName, 3036 ai.name); 3037 } else { 3038 ai = getActivityInfo(comp, flags, userId); 3039 if (ai == null) { 3040 continue; 3041 } 3042 } 3043 3044 // Look for any generic query activities that are duplicates 3045 // of this specific one, and remove them from the results. 3046 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3047 N = results.size(); 3048 int j; 3049 for (j=specificsPos; j<N; j++) { 3050 ResolveInfo sri = results.get(j); 3051 if ((sri.activityInfo.name.equals(comp.getClassName()) 3052 && sri.activityInfo.applicationInfo.packageName.equals( 3053 comp.getPackageName())) 3054 || (action != null && sri.filter.matchAction(action))) { 3055 results.remove(j); 3056 if (DEBUG_INTENT_MATCHING) Log.v( 3057 TAG, "Removing duplicate item from " + j 3058 + " due to specific " + specificsPos); 3059 if (ri == null) { 3060 ri = sri; 3061 } 3062 j--; 3063 N--; 3064 } 3065 } 3066 3067 // Add this specific item to its proper place. 3068 if (ri == null) { 3069 ri = new ResolveInfo(); 3070 ri.activityInfo = ai; 3071 } 3072 results.add(specificsPos, ri); 3073 ri.specificIndex = i; 3074 specificsPos++; 3075 } 3076 } 3077 3078 // Now we go through the remaining generic results and remove any 3079 // duplicate actions that are found here. 3080 N = results.size(); 3081 for (int i=specificsPos; i<N-1; i++) { 3082 final ResolveInfo rii = results.get(i); 3083 if (rii.filter == null) { 3084 continue; 3085 } 3086 3087 // Iterate over all of the actions of this result's intent 3088 // filter... typically this should be just one. 3089 final Iterator<String> it = rii.filter.actionsIterator(); 3090 if (it == null) { 3091 continue; 3092 } 3093 while (it.hasNext()) { 3094 final String action = it.next(); 3095 if (resultsAction != null && resultsAction.equals(action)) { 3096 // If this action was explicitly requested, then don't 3097 // remove things that have it. 3098 continue; 3099 } 3100 for (int j=i+1; j<N; j++) { 3101 final ResolveInfo rij = results.get(j); 3102 if (rij.filter != null && rij.filter.hasAction(action)) { 3103 results.remove(j); 3104 if (DEBUG_INTENT_MATCHING) Log.v( 3105 TAG, "Removing duplicate item from " + j 3106 + " due to action " + action + " at " + i); 3107 j--; 3108 N--; 3109 } 3110 } 3111 } 3112 3113 // If the caller didn't request filter information, drop it now 3114 // so we don't have to marshall/unmarshall it. 3115 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3116 rii.filter = null; 3117 } 3118 } 3119 3120 // Filter out the caller activity if so requested. 3121 if (caller != null) { 3122 N = results.size(); 3123 for (int i=0; i<N; i++) { 3124 ActivityInfo ainfo = results.get(i).activityInfo; 3125 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3126 && caller.getClassName().equals(ainfo.name)) { 3127 results.remove(i); 3128 break; 3129 } 3130 } 3131 } 3132 3133 // If the caller didn't request filter information, 3134 // drop them now so we don't have to 3135 // marshall/unmarshall it. 3136 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3137 N = results.size(); 3138 for (int i=0; i<N; i++) { 3139 results.get(i).filter = null; 3140 } 3141 } 3142 3143 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3144 return results; 3145 } 3146 3147 @Override 3148 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3149 int userId) { 3150 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3151 ComponentName comp = intent.getComponent(); 3152 if (comp == null) { 3153 if (intent.getSelector() != null) { 3154 intent = intent.getSelector(); 3155 comp = intent.getComponent(); 3156 } 3157 } 3158 if (comp != null) { 3159 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3160 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3161 if (ai != null) { 3162 ResolveInfo ri = new ResolveInfo(); 3163 ri.activityInfo = ai; 3164 list.add(ri); 3165 } 3166 return list; 3167 } 3168 3169 // reader 3170 synchronized (mPackages) { 3171 String pkgName = intent.getPackage(); 3172 if (pkgName == null) { 3173 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3174 } 3175 final PackageParser.Package pkg = mPackages.get(pkgName); 3176 if (pkg != null) { 3177 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3178 userId); 3179 } 3180 return null; 3181 } 3182 } 3183 3184 @Override 3185 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3186 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3187 if (!sUserManager.exists(userId)) return null; 3188 if (query != null) { 3189 if (query.size() >= 1) { 3190 // If there is more than one service with the same priority, 3191 // just arbitrarily pick the first one. 3192 return query.get(0); 3193 } 3194 } 3195 return null; 3196 } 3197 3198 @Override 3199 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3200 int userId) { 3201 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3202 ComponentName comp = intent.getComponent(); 3203 if (comp == null) { 3204 if (intent.getSelector() != null) { 3205 intent = intent.getSelector(); 3206 comp = intent.getComponent(); 3207 } 3208 } 3209 if (comp != null) { 3210 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3211 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3212 if (si != null) { 3213 final ResolveInfo ri = new ResolveInfo(); 3214 ri.serviceInfo = si; 3215 list.add(ri); 3216 } 3217 return list; 3218 } 3219 3220 // reader 3221 synchronized (mPackages) { 3222 String pkgName = intent.getPackage(); 3223 if (pkgName == null) { 3224 return mServices.queryIntent(intent, resolvedType, flags, userId); 3225 } 3226 final PackageParser.Package pkg = mPackages.get(pkgName); 3227 if (pkg != null) { 3228 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3229 userId); 3230 } 3231 return null; 3232 } 3233 } 3234 3235 @Override 3236 public List<ResolveInfo> queryIntentContentProviders( 3237 Intent intent, String resolvedType, int flags, int userId) { 3238 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3239 ComponentName comp = intent.getComponent(); 3240 if (comp == null) { 3241 if (intent.getSelector() != null) { 3242 intent = intent.getSelector(); 3243 comp = intent.getComponent(); 3244 } 3245 } 3246 if (comp != null) { 3247 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3248 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3249 if (pi != null) { 3250 final ResolveInfo ri = new ResolveInfo(); 3251 ri.providerInfo = pi; 3252 list.add(ri); 3253 } 3254 return list; 3255 } 3256 3257 // reader 3258 synchronized (mPackages) { 3259 String pkgName = intent.getPackage(); 3260 if (pkgName == null) { 3261 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3262 } 3263 final PackageParser.Package pkg = mPackages.get(pkgName); 3264 if (pkg != null) { 3265 return mProviders.queryIntentForPackage( 3266 intent, resolvedType, flags, pkg.providers, userId); 3267 } 3268 return null; 3269 } 3270 } 3271 3272 @Override 3273 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3274 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3275 3276 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3277 3278 // writer 3279 synchronized (mPackages) { 3280 ArrayList<PackageInfo> list; 3281 if (listUninstalled) { 3282 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3283 for (PackageSetting ps : mSettings.mPackages.values()) { 3284 PackageInfo pi; 3285 if (ps.pkg != null) { 3286 pi = generatePackageInfo(ps.pkg, flags, userId); 3287 } else { 3288 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3289 } 3290 if (pi != null) { 3291 list.add(pi); 3292 } 3293 } 3294 } else { 3295 list = new ArrayList<PackageInfo>(mPackages.size()); 3296 for (PackageParser.Package p : mPackages.values()) { 3297 PackageInfo pi = generatePackageInfo(p, flags, userId); 3298 if (pi != null) { 3299 list.add(pi); 3300 } 3301 } 3302 } 3303 3304 return new ParceledListSlice<PackageInfo>(list); 3305 } 3306 } 3307 3308 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3309 String[] permissions, boolean[] tmp, int flags, int userId) { 3310 int numMatch = 0; 3311 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3312 for (int i=0; i<permissions.length; i++) { 3313 if (gp.grantedPermissions.contains(permissions[i])) { 3314 tmp[i] = true; 3315 numMatch++; 3316 } else { 3317 tmp[i] = false; 3318 } 3319 } 3320 if (numMatch == 0) { 3321 return; 3322 } 3323 PackageInfo pi; 3324 if (ps.pkg != null) { 3325 pi = generatePackageInfo(ps.pkg, flags, userId); 3326 } else { 3327 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3328 } 3329 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3330 if (numMatch == permissions.length) { 3331 pi.requestedPermissions = permissions; 3332 } else { 3333 pi.requestedPermissions = new String[numMatch]; 3334 numMatch = 0; 3335 for (int i=0; i<permissions.length; i++) { 3336 if (tmp[i]) { 3337 pi.requestedPermissions[numMatch] = permissions[i]; 3338 numMatch++; 3339 } 3340 } 3341 } 3342 } 3343 list.add(pi); 3344 } 3345 3346 @Override 3347 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3348 String[] permissions, int flags, int userId) { 3349 if (!sUserManager.exists(userId)) return null; 3350 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3351 3352 // writer 3353 synchronized (mPackages) { 3354 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3355 boolean[] tmpBools = new boolean[permissions.length]; 3356 if (listUninstalled) { 3357 for (PackageSetting ps : mSettings.mPackages.values()) { 3358 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3359 } 3360 } else { 3361 for (PackageParser.Package pkg : mPackages.values()) { 3362 PackageSetting ps = (PackageSetting)pkg.mExtras; 3363 if (ps != null) { 3364 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3365 userId); 3366 } 3367 } 3368 } 3369 3370 return new ParceledListSlice<PackageInfo>(list); 3371 } 3372 } 3373 3374 @Override 3375 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3376 if (!sUserManager.exists(userId)) return null; 3377 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3378 3379 // writer 3380 synchronized (mPackages) { 3381 ArrayList<ApplicationInfo> list; 3382 if (listUninstalled) { 3383 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3384 for (PackageSetting ps : mSettings.mPackages.values()) { 3385 ApplicationInfo ai; 3386 if (ps.pkg != null) { 3387 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3388 ps.readUserState(userId), userId); 3389 } else { 3390 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3391 } 3392 if (ai != null) { 3393 list.add(ai); 3394 } 3395 } 3396 } else { 3397 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3398 for (PackageParser.Package p : mPackages.values()) { 3399 if (p.mExtras != null) { 3400 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3401 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3402 if (ai != null) { 3403 list.add(ai); 3404 } 3405 } 3406 } 3407 } 3408 3409 return new ParceledListSlice<ApplicationInfo>(list); 3410 } 3411 } 3412 3413 public List<ApplicationInfo> getPersistentApplications(int flags) { 3414 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3415 3416 // reader 3417 synchronized (mPackages) { 3418 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3419 final int userId = UserHandle.getCallingUserId(); 3420 while (i.hasNext()) { 3421 final PackageParser.Package p = i.next(); 3422 if (p.applicationInfo != null 3423 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3424 && (!mSafeMode || isSystemApp(p))) { 3425 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3426 if (ps != null) { 3427 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3428 ps.readUserState(userId), userId); 3429 if (ai != null) { 3430 finalList.add(ai); 3431 } 3432 } 3433 } 3434 } 3435 } 3436 3437 return finalList; 3438 } 3439 3440 @Override 3441 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3442 if (!sUserManager.exists(userId)) return null; 3443 // reader 3444 synchronized (mPackages) { 3445 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3446 PackageSetting ps = provider != null 3447 ? mSettings.mPackages.get(provider.owner.packageName) 3448 : null; 3449 return ps != null 3450 && mSettings.isEnabledLPr(provider.info, flags, userId) 3451 && (!mSafeMode || (provider.info.applicationInfo.flags 3452 &ApplicationInfo.FLAG_SYSTEM) != 0) 3453 ? PackageParser.generateProviderInfo(provider, flags, 3454 ps.readUserState(userId), userId) 3455 : null; 3456 } 3457 } 3458 3459 /** 3460 * @deprecated 3461 */ 3462 @Deprecated 3463 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3464 // reader 3465 synchronized (mPackages) { 3466 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3467 .entrySet().iterator(); 3468 final int userId = UserHandle.getCallingUserId(); 3469 while (i.hasNext()) { 3470 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3471 PackageParser.Provider p = entry.getValue(); 3472 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3473 3474 if (ps != null && p.syncable 3475 && (!mSafeMode || (p.info.applicationInfo.flags 3476 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3477 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3478 ps.readUserState(userId), userId); 3479 if (info != null) { 3480 outNames.add(entry.getKey()); 3481 outInfo.add(info); 3482 } 3483 } 3484 } 3485 } 3486 } 3487 3488 public List<ProviderInfo> queryContentProviders(String processName, 3489 int uid, int flags) { 3490 ArrayList<ProviderInfo> finalList = null; 3491 // reader 3492 synchronized (mPackages) { 3493 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3494 final int userId = processName != null ? 3495 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3496 while (i.hasNext()) { 3497 final PackageParser.Provider p = i.next(); 3498 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3499 if (ps != null && p.info.authority != null 3500 && (processName == null 3501 || (p.info.processName.equals(processName) 3502 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3503 && mSettings.isEnabledLPr(p.info, flags, userId) 3504 && (!mSafeMode 3505 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3506 if (finalList == null) { 3507 finalList = new ArrayList<ProviderInfo>(3); 3508 } 3509 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3510 ps.readUserState(userId), userId); 3511 if (info != null) { 3512 finalList.add(info); 3513 } 3514 } 3515 } 3516 } 3517 3518 if (finalList != null) { 3519 Collections.sort(finalList, mProviderInitOrderSorter); 3520 } 3521 3522 return finalList; 3523 } 3524 3525 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3526 int flags) { 3527 // reader 3528 synchronized (mPackages) { 3529 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3530 return PackageParser.generateInstrumentationInfo(i, flags); 3531 } 3532 } 3533 3534 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3535 int flags) { 3536 ArrayList<InstrumentationInfo> finalList = 3537 new ArrayList<InstrumentationInfo>(); 3538 3539 // reader 3540 synchronized (mPackages) { 3541 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3542 while (i.hasNext()) { 3543 final PackageParser.Instrumentation p = i.next(); 3544 if (targetPackage == null 3545 || targetPackage.equals(p.info.targetPackage)) { 3546 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3547 flags); 3548 if (ii != null) { 3549 finalList.add(ii); 3550 } 3551 } 3552 } 3553 } 3554 3555 return finalList; 3556 } 3557 3558 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3559 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3560 if (overlays == null) { 3561 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3562 return; 3563 } 3564 for (PackageParser.Package opkg : overlays.values()) { 3565 // Not much to do if idmap fails: we already logged the error 3566 // and we certainly don't want to abort installation of pkg simply 3567 // because an overlay didn't fit properly. For these reasons, 3568 // ignore the return value of createIdmapForPackagePairLI. 3569 createIdmapForPackagePairLI(pkg, opkg); 3570 } 3571 } 3572 3573 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3574 PackageParser.Package opkg) { 3575 if (!opkg.mTrustedOverlay) { 3576 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3577 opkg.mScanPath + ": overlay not trusted"); 3578 return false; 3579 } 3580 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3581 if (overlaySet == null) { 3582 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3583 opkg.mScanPath + " but target package has no known overlays"); 3584 return false; 3585 } 3586 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3587 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3588 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3589 return false; 3590 } 3591 PackageParser.Package[] overlayArray = 3592 overlaySet.values().toArray(new PackageParser.Package[0]); 3593 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3594 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3595 return p1.mOverlayPriority - p2.mOverlayPriority; 3596 } 3597 }; 3598 Arrays.sort(overlayArray, cmp); 3599 3600 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3601 int i = 0; 3602 for (PackageParser.Package p : overlayArray) { 3603 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3604 } 3605 return true; 3606 } 3607 3608 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3609 String[] files = dir.list(); 3610 if (files == null) { 3611 Log.d(TAG, "No files in app dir " + dir); 3612 return; 3613 } 3614 3615 if (DEBUG_PACKAGE_SCANNING) { 3616 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3617 + " flags=0x" + Integer.toHexString(flags)); 3618 } 3619 3620 int i; 3621 for (i=0; i<files.length; i++) { 3622 File file = new File(dir, files[i]); 3623 if (!isPackageFilename(files[i])) { 3624 // Ignore entries which are not apk's 3625 continue; 3626 } 3627 PackageParser.Package pkg = scanPackageLI(file, 3628 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3629 // Don't mess around with apps in system partition. 3630 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3631 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3632 // Delete the apk 3633 Slog.w(TAG, "Cleaning up failed install of " + file); 3634 file.delete(); 3635 } 3636 } 3637 } 3638 3639 private static File getSettingsProblemFile() { 3640 File dataDir = Environment.getDataDirectory(); 3641 File systemDir = new File(dataDir, "system"); 3642 File fname = new File(systemDir, "uiderrors.txt"); 3643 return fname; 3644 } 3645 3646 static void reportSettingsProblem(int priority, String msg) { 3647 try { 3648 File fname = getSettingsProblemFile(); 3649 FileOutputStream out = new FileOutputStream(fname, true); 3650 PrintWriter pw = new FastPrintWriter(out); 3651 SimpleDateFormat formatter = new SimpleDateFormat(); 3652 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3653 pw.println(dateString + ": " + msg); 3654 pw.close(); 3655 FileUtils.setPermissions( 3656 fname.toString(), 3657 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3658 -1, -1); 3659 } catch (java.io.IOException e) { 3660 } 3661 Slog.println(priority, TAG, msg); 3662 } 3663 3664 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3665 PackageParser.Package pkg, File srcFile, int parseFlags) { 3666 if (GET_CERTIFICATES) { 3667 if (ps != null 3668 && ps.codePath.equals(srcFile) 3669 && ps.timeStamp == srcFile.lastModified()) { 3670 if (ps.signatures.mSignatures != null 3671 && ps.signatures.mSignatures.length != 0) { 3672 // Optimization: reuse the existing cached certificates 3673 // if the package appears to be unchanged. 3674 pkg.mSignatures = ps.signatures.mSignatures; 3675 return true; 3676 } 3677 3678 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3679 } else { 3680 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3681 } 3682 3683 if (!pp.collectCertificates(pkg, parseFlags)) { 3684 mLastScanError = pp.getParseError(); 3685 return false; 3686 } 3687 } 3688 return true; 3689 } 3690 3691 /* 3692 * Scan a package and return the newly parsed package. 3693 * Returns null in case of errors and the error code is stored in mLastScanError 3694 */ 3695 private PackageParser.Package scanPackageLI(File scanFile, 3696 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3697 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3698 String scanPath = scanFile.getPath(); 3699 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3700 parseFlags |= mDefParseFlags; 3701 PackageParser pp = new PackageParser(scanPath); 3702 pp.setSeparateProcesses(mSeparateProcesses); 3703 pp.setOnlyCoreApps(mOnlyCore); 3704 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3705 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3706 3707 if (pkg == null) { 3708 mLastScanError = pp.getParseError(); 3709 return null; 3710 } 3711 3712 PackageSetting ps = null; 3713 PackageSetting updatedPkg; 3714 // reader 3715 synchronized (mPackages) { 3716 // Look to see if we already know about this package. 3717 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3718 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3719 // This package has been renamed to its original name. Let's 3720 // use that. 3721 ps = mSettings.peekPackageLPr(oldName); 3722 } 3723 // If there was no original package, see one for the real package name. 3724 if (ps == null) { 3725 ps = mSettings.peekPackageLPr(pkg.packageName); 3726 } 3727 // Check to see if this package could be hiding/updating a system 3728 // package. Must look for it either under the original or real 3729 // package name depending on our state. 3730 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3731 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3732 } 3733 boolean updatedPkgBetter = false; 3734 // First check if this is a system package that may involve an update 3735 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3736 if (ps != null && !ps.codePath.equals(scanFile)) { 3737 // The path has changed from what was last scanned... check the 3738 // version of the new path against what we have stored to determine 3739 // what to do. 3740 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3741 if (pkg.mVersionCode < ps.versionCode) { 3742 // The system package has been updated and the code path does not match 3743 // Ignore entry. Skip it. 3744 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3745 + " ignored: updated version " + ps.versionCode 3746 + " better than this " + pkg.mVersionCode); 3747 if (!updatedPkg.codePath.equals(scanFile)) { 3748 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3749 + ps.name + " changing from " + updatedPkg.codePathString 3750 + " to " + scanFile); 3751 updatedPkg.codePath = scanFile; 3752 updatedPkg.codePathString = scanFile.toString(); 3753 // This is the point at which we know that the system-disk APK 3754 // for this package has moved during a reboot (e.g. due to an OTA), 3755 // so we need to reevaluate it for privilege policy. 3756 if (locationIsPrivileged(scanFile)) { 3757 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3758 } 3759 } 3760 updatedPkg.pkg = pkg; 3761 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3762 return null; 3763 } else { 3764 // The current app on the system partion is better than 3765 // what we have updated to on the data partition; switch 3766 // back to the system partition version. 3767 // At this point, its safely assumed that package installation for 3768 // apps in system partition will go through. If not there won't be a working 3769 // version of the app 3770 // writer 3771 synchronized (mPackages) { 3772 // Just remove the loaded entries from package lists. 3773 mPackages.remove(ps.name); 3774 } 3775 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3776 + "reverting from " + ps.codePathString 3777 + ": new version " + pkg.mVersionCode 3778 + " better than installed " + ps.versionCode); 3779 3780 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3781 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 3782 getAppInstructionSetFromSettings(ps)); 3783 synchronized (mInstallLock) { 3784 args.cleanUpResourcesLI(); 3785 } 3786 synchronized (mPackages) { 3787 mSettings.enableSystemPackageLPw(ps.name); 3788 } 3789 updatedPkgBetter = true; 3790 } 3791 } 3792 } 3793 3794 if (updatedPkg != null) { 3795 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3796 // initially 3797 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3798 3799 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3800 // flag set initially 3801 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3802 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3803 } 3804 } 3805 // Verify certificates against what was last scanned 3806 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3807 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3808 return null; 3809 } 3810 3811 /* 3812 * A new system app appeared, but we already had a non-system one of the 3813 * same name installed earlier. 3814 */ 3815 boolean shouldHideSystemApp = false; 3816 if (updatedPkg == null && ps != null 3817 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3818 /* 3819 * Check to make sure the signatures match first. If they don't, 3820 * wipe the installed application and its data. 3821 */ 3822 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3823 != PackageManager.SIGNATURE_MATCH) { 3824 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3825 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3826 ps = null; 3827 } else { 3828 /* 3829 * If the newly-added system app is an older version than the 3830 * already installed version, hide it. It will be scanned later 3831 * and re-added like an update. 3832 */ 3833 if (pkg.mVersionCode < ps.versionCode) { 3834 shouldHideSystemApp = true; 3835 } else { 3836 /* 3837 * The newly found system app is a newer version that the 3838 * one previously installed. Simply remove the 3839 * already-installed application and replace it with our own 3840 * while keeping the application data. 3841 */ 3842 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3843 + ps.codePathString + ": new version " + pkg.mVersionCode 3844 + " better than installed " + ps.versionCode); 3845 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3846 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 3847 getAppInstructionSetFromSettings(ps)); 3848 synchronized (mInstallLock) { 3849 args.cleanUpResourcesLI(); 3850 } 3851 } 3852 } 3853 } 3854 3855 // The apk is forward locked (not public) if its code and resources 3856 // are kept in different files. (except for app in either system or 3857 // vendor path). 3858 // TODO grab this value from PackageSettings 3859 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3860 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3861 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3862 } 3863 } 3864 3865 String codePath = null; 3866 String resPath = null; 3867 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 3868 if (ps != null && ps.resourcePathString != null) { 3869 resPath = ps.resourcePathString; 3870 } else { 3871 // Should not happen at all. Just log an error. 3872 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3873 } 3874 } else { 3875 resPath = pkg.mScanPath; 3876 } 3877 3878 codePath = pkg.mScanPath; 3879 // Set application objects path explicitly. 3880 setApplicationInfoPaths(pkg, codePath, resPath); 3881 // Note that we invoke the following method only if we are about to unpack an application 3882 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3883 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3884 3885 /* 3886 * If the system app should be overridden by a previously installed 3887 * data, hide the system app now and let the /data/app scan pick it up 3888 * again. 3889 */ 3890 if (shouldHideSystemApp) { 3891 synchronized (mPackages) { 3892 /* 3893 * We have to grant systems permissions before we hide, because 3894 * grantPermissions will assume the package update is trying to 3895 * expand its permissions. 3896 */ 3897 grantPermissionsLPw(pkg, true); 3898 mSettings.disableSystemPackageLPw(pkg.packageName); 3899 } 3900 } 3901 3902 return scannedPkg; 3903 } 3904 3905 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3906 String destResPath) { 3907 pkg.mPath = pkg.mScanPath = destCodePath; 3908 pkg.applicationInfo.sourceDir = destCodePath; 3909 pkg.applicationInfo.publicSourceDir = destResPath; 3910 } 3911 3912 private static String fixProcessName(String defProcessName, 3913 String processName, int uid) { 3914 if (processName == null) { 3915 return defProcessName; 3916 } 3917 return processName; 3918 } 3919 3920 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3921 PackageParser.Package pkg) { 3922 if (pkgSetting.signatures.mSignatures != null) { 3923 // Already existing package. Make sure signatures match 3924 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3925 PackageManager.SIGNATURE_MATCH) { 3926 Slog.e(TAG, "Package " + pkg.packageName 3927 + " signatures do not match the previously installed version; ignoring!"); 3928 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3929 return false; 3930 } 3931 } 3932 // Check for shared user signatures 3933 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3934 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3935 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3936 Slog.e(TAG, "Package " + pkg.packageName 3937 + " has no signatures that match those in shared user " 3938 + pkgSetting.sharedUser.name + "; ignoring!"); 3939 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3940 return false; 3941 } 3942 } 3943 return true; 3944 } 3945 3946 /** 3947 * Enforces that only the system UID or root's UID can call a method exposed 3948 * via Binder. 3949 * 3950 * @param message used as message if SecurityException is thrown 3951 * @throws SecurityException if the caller is not system or root 3952 */ 3953 private static final void enforceSystemOrRoot(String message) { 3954 final int uid = Binder.getCallingUid(); 3955 if (uid != Process.SYSTEM_UID && uid != 0) { 3956 throw new SecurityException(message); 3957 } 3958 } 3959 3960 @Override 3961 public void performBootDexOpt() { 3962 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3963 3964 final HashSet<PackageParser.Package> pkgs; 3965 synchronized (mPackages) { 3966 pkgs = mDeferredDexOpt; 3967 mDeferredDexOpt = null; 3968 } 3969 3970 if (pkgs != null) { 3971 int i = 0; 3972 for (PackageParser.Package pkg : pkgs) { 3973 if (!isFirstBoot()) { 3974 i++; 3975 try { 3976 ActivityManagerNative.getDefault().showBootMessage( 3977 mContext.getResources().getString( 3978 com.android.internal.R.string.android_upgrading_apk, 3979 i, pkgs.size()), true); 3980 } catch (RemoteException e) { 3981 } 3982 } 3983 PackageParser.Package p = pkg; 3984 synchronized (mInstallLock) { 3985 if (!p.mDidDexOpt) { 3986 performDexOptLI(p, false /* force dex */, false /* defer */, 3987 true /* include dependencies */); 3988 } 3989 } 3990 } 3991 } 3992 } 3993 3994 @Override 3995 public boolean performDexOpt(String packageName) { 3996 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3997 if (!mNoDexOpt) { 3998 return false; 3999 } 4000 4001 PackageParser.Package p; 4002 synchronized (mPackages) { 4003 p = mPackages.get(packageName); 4004 if (p == null || p.mDidDexOpt) { 4005 return false; 4006 } 4007 } 4008 synchronized (mInstallLock) { 4009 return performDexOptLI(p, false /* force dex */, false /* defer */, 4010 true /* include dependencies */) == DEX_OPT_PERFORMED; 4011 } 4012 } 4013 4014 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, boolean forceDex, 4015 boolean defer, HashSet<String> done) { 4016 for (int i=0; i<libs.size(); i++) { 4017 PackageParser.Package libPkg; 4018 String libName; 4019 synchronized (mPackages) { 4020 libName = libs.get(i); 4021 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4022 if (lib != null && lib.apk != null) { 4023 libPkg = mPackages.get(lib.apk); 4024 } else { 4025 libPkg = null; 4026 } 4027 } 4028 if (libPkg != null && !done.contains(libName)) { 4029 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4030 } 4031 } 4032 } 4033 4034 static final int DEX_OPT_SKIPPED = 0; 4035 static final int DEX_OPT_PERFORMED = 1; 4036 static final int DEX_OPT_DEFERRED = 2; 4037 static final int DEX_OPT_FAILED = -1; 4038 4039 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4040 boolean forceDex, 4041 boolean defer, HashSet<String> done) { 4042 final String instructionSet = instructionSetOverride != null ? 4043 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4044 4045 if (done != null) { 4046 done.add(pkg.packageName); 4047 if (pkg.usesLibraries != null) { 4048 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4049 } 4050 if (pkg.usesOptionalLibraries != null) { 4051 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4052 } 4053 } 4054 4055 boolean performed = false; 4056 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4057 String path = pkg.mScanPath; 4058 int ret = 0; 4059 try { 4060 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, 4061 pkg.packageName, instructionSet, defer)) { 4062 if (!forceDex && defer) { 4063 if (mDeferredDexOpt == null) { 4064 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4065 } 4066 mDeferredDexOpt.add(pkg); 4067 return DEX_OPT_DEFERRED; 4068 } else { 4069 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName + 4070 " (instructionSet=" + instructionSet + ")"); 4071 4072 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4073 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4074 pkg.packageName, instructionSet); 4075 pkg.mDidDexOpt = true; 4076 performed = true; 4077 } 4078 } 4079 } catch (FileNotFoundException e) { 4080 Slog.w(TAG, "Apk not found for dexopt: " + path); 4081 ret = -1; 4082 } catch (IOException e) { 4083 Slog.w(TAG, "IOException reading apk: " + path, e); 4084 ret = -1; 4085 } catch (dalvik.system.StaleDexCacheError e) { 4086 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4087 ret = -1; 4088 } catch (Exception e) { 4089 Slog.w(TAG, "Exception when doing dexopt : ", e); 4090 ret = -1; 4091 } 4092 if (ret < 0) { 4093 //error from installer 4094 return DEX_OPT_FAILED; 4095 } 4096 } 4097 4098 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4099 } 4100 4101 private String getAppInstructionSet(ApplicationInfo info) { 4102 String instructionSet = getPreferredInstructionSet(); 4103 4104 if (info.requiredCpuAbi != null) { 4105 instructionSet = VMRuntime.getInstructionSet(info.requiredCpuAbi); 4106 } 4107 4108 return instructionSet; 4109 } 4110 4111 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4112 String instructionSet = getPreferredInstructionSet(); 4113 4114 if (ps.requiredCpuAbiString != null) { 4115 instructionSet = VMRuntime.getInstructionSet(ps.requiredCpuAbiString); 4116 } 4117 4118 return instructionSet; 4119 } 4120 4121 private static String getPreferredInstructionSet() { 4122 if (sPreferredInstructionSet == null) { 4123 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4124 } 4125 4126 return sPreferredInstructionSet; 4127 } 4128 4129 private static List<String> getAllInstructionSets() { 4130 final String[] allAbis = Build.SUPPORTED_ABIS; 4131 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4132 4133 for (String abi : allAbis) { 4134 final String instructionSet = VMRuntime.getInstructionSet(abi); 4135 if (!allInstructionSets.contains(instructionSet)) { 4136 allInstructionSets.add(instructionSet); 4137 } 4138 } 4139 4140 return allInstructionSets; 4141 } 4142 4143 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4144 boolean inclDependencies) { 4145 HashSet<String> done; 4146 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4147 done = new HashSet<String>(); 4148 done.add(pkg.packageName); 4149 } else { 4150 done = null; 4151 } 4152 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4153 } 4154 4155 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4156 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4157 Slog.w(TAG, "Unable to update from " + oldPkg.name 4158 + " to " + newPkg.packageName 4159 + ": old package not in system partition"); 4160 return false; 4161 } else if (mPackages.get(oldPkg.name) != null) { 4162 Slog.w(TAG, "Unable to update from " + oldPkg.name 4163 + " to " + newPkg.packageName 4164 + ": old package still exists"); 4165 return false; 4166 } 4167 return true; 4168 } 4169 4170 File getDataPathForUser(int userId) { 4171 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4172 } 4173 4174 private File getDataPathForPackage(String packageName, int userId) { 4175 /* 4176 * Until we fully support multiple users, return the directory we 4177 * previously would have. The PackageManagerTests will need to be 4178 * revised when this is changed back.. 4179 */ 4180 if (userId == 0) { 4181 return new File(mAppDataDir, packageName); 4182 } else { 4183 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4184 + File.separator + packageName); 4185 } 4186 } 4187 4188 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4189 int[] users = sUserManager.getUserIds(); 4190 int res = mInstaller.install(packageName, uid, uid, seinfo); 4191 if (res < 0) { 4192 return res; 4193 } 4194 for (int user : users) { 4195 if (user != 0) { 4196 res = mInstaller.createUserData(packageName, 4197 UserHandle.getUid(user, uid), user, seinfo); 4198 if (res < 0) { 4199 return res; 4200 } 4201 } 4202 } 4203 return res; 4204 } 4205 4206 private int removeDataDirsLI(String packageName) { 4207 int[] users = sUserManager.getUserIds(); 4208 int res = 0; 4209 for (int user : users) { 4210 int resInner = mInstaller.remove(packageName, user); 4211 if (resInner < 0) { 4212 res = resInner; 4213 } 4214 } 4215 4216 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4217 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4218 if (!nativeLibraryFile.delete()) { 4219 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4220 } 4221 4222 return res; 4223 } 4224 4225 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4226 PackageParser.Package changingLib) { 4227 if (file.path != null) { 4228 mTmpSharedLibraries[num] = file.path; 4229 return num+1; 4230 } 4231 PackageParser.Package p = mPackages.get(file.apk); 4232 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4233 // If we are doing this while in the middle of updating a library apk, 4234 // then we need to make sure to use that new apk for determining the 4235 // dependencies here. (We haven't yet finished committing the new apk 4236 // to the package manager state.) 4237 if (p == null || p.packageName.equals(changingLib.packageName)) { 4238 p = changingLib; 4239 } 4240 } 4241 if (p != null) { 4242 String path = p.mPath; 4243 for (int i=0; i<num; i++) { 4244 if (mTmpSharedLibraries[i].equals(path)) { 4245 return num; 4246 } 4247 } 4248 mTmpSharedLibraries[num] = p.mPath; 4249 return num+1; 4250 } 4251 return num; 4252 } 4253 4254 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4255 PackageParser.Package changingLib) { 4256 // We might be upgrading from a version of the platform that did not 4257 // provide per-package native library directories for system apps. 4258 // Fix that up here. 4259 if (isSystemApp(pkg)) { 4260 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4261 setInternalAppNativeLibraryPath(pkg, ps); 4262 } 4263 4264 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4265 if (mTmpSharedLibraries == null || 4266 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4267 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4268 } 4269 int num = 0; 4270 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4271 for (int i=0; i<N; i++) { 4272 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4273 if (file == null) { 4274 Slog.e(TAG, "Package " + pkg.packageName 4275 + " requires unavailable shared library " 4276 + pkg.usesLibraries.get(i) + "; failing!"); 4277 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4278 return false; 4279 } 4280 num = addSharedLibraryLPw(file, num, changingLib); 4281 } 4282 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4283 for (int i=0; i<N; i++) { 4284 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4285 if (file == null) { 4286 Slog.w(TAG, "Package " + pkg.packageName 4287 + " desires unavailable shared library " 4288 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4289 } else { 4290 num = addSharedLibraryLPw(file, num, changingLib); 4291 } 4292 } 4293 if (num > 0) { 4294 pkg.usesLibraryFiles = new String[num]; 4295 System.arraycopy(mTmpSharedLibraries, 0, 4296 pkg.usesLibraryFiles, 0, num); 4297 } else { 4298 pkg.usesLibraryFiles = null; 4299 } 4300 } 4301 return true; 4302 } 4303 4304 private static boolean hasString(List<String> list, List<String> which) { 4305 if (list == null) { 4306 return false; 4307 } 4308 for (int i=list.size()-1; i>=0; i--) { 4309 for (int j=which.size()-1; j>=0; j--) { 4310 if (which.get(j).equals(list.get(i))) { 4311 return true; 4312 } 4313 } 4314 } 4315 return false; 4316 } 4317 4318 private void updateAllSharedLibrariesLPw() { 4319 for (PackageParser.Package pkg : mPackages.values()) { 4320 updateSharedLibrariesLPw(pkg, null); 4321 } 4322 } 4323 4324 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4325 PackageParser.Package changingPkg) { 4326 ArrayList<PackageParser.Package> res = null; 4327 for (PackageParser.Package pkg : mPackages.values()) { 4328 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4329 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4330 if (res == null) { 4331 res = new ArrayList<PackageParser.Package>(); 4332 } 4333 res.add(pkg); 4334 updateSharedLibrariesLPw(pkg, changingPkg); 4335 } 4336 } 4337 return res; 4338 } 4339 4340 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4341 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4342 File scanFile = new File(pkg.mScanPath); 4343 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4344 pkg.applicationInfo.publicSourceDir == null) { 4345 // Bail out. The resource and code paths haven't been set. 4346 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4347 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4348 return null; 4349 } 4350 4351 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4352 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4353 } 4354 4355 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4356 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4357 } 4358 4359 if (mCustomResolverComponentName != null && 4360 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4361 setUpCustomResolverActivity(pkg); 4362 } 4363 4364 if (pkg.packageName.equals("android")) { 4365 synchronized (mPackages) { 4366 if (mAndroidApplication != null) { 4367 Slog.w(TAG, "*************************************************"); 4368 Slog.w(TAG, "Core android package being redefined. Skipping."); 4369 Slog.w(TAG, " file=" + scanFile); 4370 Slog.w(TAG, "*************************************************"); 4371 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4372 return null; 4373 } 4374 4375 // Set up information for our fall-back user intent resolution activity. 4376 mPlatformPackage = pkg; 4377 pkg.mVersionCode = mSdkVersion; 4378 mAndroidApplication = pkg.applicationInfo; 4379 4380 if (!mResolverReplaced) { 4381 mResolveActivity.applicationInfo = mAndroidApplication; 4382 mResolveActivity.name = ResolverActivity.class.getName(); 4383 mResolveActivity.packageName = mAndroidApplication.packageName; 4384 mResolveActivity.processName = "system:ui"; 4385 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4386 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4387 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4388 mResolveActivity.exported = true; 4389 mResolveActivity.enabled = true; 4390 mResolveInfo.activityInfo = mResolveActivity; 4391 mResolveInfo.priority = 0; 4392 mResolveInfo.preferredOrder = 0; 4393 mResolveInfo.match = 0; 4394 mResolveComponentName = new ComponentName( 4395 mAndroidApplication.packageName, mResolveActivity.name); 4396 } 4397 } 4398 } 4399 4400 if (DEBUG_PACKAGE_SCANNING) { 4401 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4402 Log.d(TAG, "Scanning package " + pkg.packageName); 4403 } 4404 4405 if (mPackages.containsKey(pkg.packageName) 4406 || mSharedLibraries.containsKey(pkg.packageName)) { 4407 Slog.w(TAG, "Application package " + pkg.packageName 4408 + " already installed. Skipping duplicate."); 4409 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4410 return null; 4411 } 4412 4413 // Initialize package source and resource directories 4414 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4415 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4416 4417 SharedUserSetting suid = null; 4418 PackageSetting pkgSetting = null; 4419 4420 if (!isSystemApp(pkg)) { 4421 // Only system apps can use these features. 4422 pkg.mOriginalPackages = null; 4423 pkg.mRealPackage = null; 4424 pkg.mAdoptPermissions = null; 4425 } 4426 4427 // writer 4428 synchronized (mPackages) { 4429 if (pkg.mSharedUserId != null) { 4430 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4431 if (suid == null) { 4432 Slog.w(TAG, "Creating application package " + pkg.packageName 4433 + " for shared user failed"); 4434 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4435 return null; 4436 } 4437 if (DEBUG_PACKAGE_SCANNING) { 4438 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4439 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4440 + "): packages=" + suid.packages); 4441 } 4442 } 4443 4444 // Check if we are renaming from an original package name. 4445 PackageSetting origPackage = null; 4446 String realName = null; 4447 if (pkg.mOriginalPackages != null) { 4448 // This package may need to be renamed to a previously 4449 // installed name. Let's check on that... 4450 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4451 if (pkg.mOriginalPackages.contains(renamed)) { 4452 // This package had originally been installed as the 4453 // original name, and we have already taken care of 4454 // transitioning to the new one. Just update the new 4455 // one to continue using the old name. 4456 realName = pkg.mRealPackage; 4457 if (!pkg.packageName.equals(renamed)) { 4458 // Callers into this function may have already taken 4459 // care of renaming the package; only do it here if 4460 // it is not already done. 4461 pkg.setPackageName(renamed); 4462 } 4463 4464 } else { 4465 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4466 if ((origPackage = mSettings.peekPackageLPr( 4467 pkg.mOriginalPackages.get(i))) != null) { 4468 // We do have the package already installed under its 4469 // original name... should we use it? 4470 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4471 // New package is not compatible with original. 4472 origPackage = null; 4473 continue; 4474 } else if (origPackage.sharedUser != null) { 4475 // Make sure uid is compatible between packages. 4476 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4477 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4478 + " to " + pkg.packageName + ": old uid " 4479 + origPackage.sharedUser.name 4480 + " differs from " + pkg.mSharedUserId); 4481 origPackage = null; 4482 continue; 4483 } 4484 } else { 4485 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4486 + pkg.packageName + " to old name " + origPackage.name); 4487 } 4488 break; 4489 } 4490 } 4491 } 4492 } 4493 4494 if (mTransferedPackages.contains(pkg.packageName)) { 4495 Slog.w(TAG, "Package " + pkg.packageName 4496 + " was transferred to another, but its .apk remains"); 4497 } 4498 4499 // Just create the setting, don't add it yet. For already existing packages 4500 // the PkgSetting exists already and doesn't have to be created. 4501 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4502 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4503 pkg.applicationInfo.requiredCpuAbi, 4504 pkg.applicationInfo.flags, user, false); 4505 if (pkgSetting == null) { 4506 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4507 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4508 return null; 4509 } 4510 4511 if (pkgSetting.origPackage != null) { 4512 // If we are first transitioning from an original package, 4513 // fix up the new package's name now. We need to do this after 4514 // looking up the package under its new name, so getPackageLP 4515 // can take care of fiddling things correctly. 4516 pkg.setPackageName(origPackage.name); 4517 4518 // File a report about this. 4519 String msg = "New package " + pkgSetting.realName 4520 + " renamed to replace old package " + pkgSetting.name; 4521 reportSettingsProblem(Log.WARN, msg); 4522 4523 // Make a note of it. 4524 mTransferedPackages.add(origPackage.name); 4525 4526 // No longer need to retain this. 4527 pkgSetting.origPackage = null; 4528 } 4529 4530 if (realName != null) { 4531 // Make a note of it. 4532 mTransferedPackages.add(pkg.packageName); 4533 } 4534 4535 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4536 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4537 } 4538 4539 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4540 // Check all shared libraries and map to their actual file path. 4541 // We only do this here for apps not on a system dir, because those 4542 // are the only ones that can fail an install due to this. We 4543 // will take care of the system apps by updating all of their 4544 // library paths after the scan is done. 4545 if (!updateSharedLibrariesLPw(pkg, null)) { 4546 return null; 4547 } 4548 } 4549 4550 if (mFoundPolicyFile) { 4551 SELinuxMMAC.assignSeinfoValue(pkg); 4552 } 4553 4554 pkg.applicationInfo.uid = pkgSetting.appId; 4555 pkg.mExtras = pkgSetting; 4556 4557 if (!verifySignaturesLP(pkgSetting, pkg)) { 4558 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4559 return null; 4560 } 4561 // The signature has changed, but this package is in the system 4562 // image... let's recover! 4563 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4564 // However... if this package is part of a shared user, but it 4565 // doesn't match the signature of the shared user, let's fail. 4566 // What this means is that you can't change the signatures 4567 // associated with an overall shared user, which doesn't seem all 4568 // that unreasonable. 4569 if (pkgSetting.sharedUser != null) { 4570 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4571 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4572 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4573 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4574 return null; 4575 } 4576 } 4577 // File a report about this. 4578 String msg = "System package " + pkg.packageName 4579 + " signature changed; retaining data."; 4580 reportSettingsProblem(Log.WARN, msg); 4581 } 4582 4583 // Verify that this new package doesn't have any content providers 4584 // that conflict with existing packages. Only do this if the 4585 // package isn't already installed, since we don't want to break 4586 // things that are installed. 4587 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4588 final int N = pkg.providers.size(); 4589 int i; 4590 for (i=0; i<N; i++) { 4591 PackageParser.Provider p = pkg.providers.get(i); 4592 if (p.info.authority != null) { 4593 String names[] = p.info.authority.split(";"); 4594 for (int j = 0; j < names.length; j++) { 4595 if (mProvidersByAuthority.containsKey(names[j])) { 4596 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4597 Slog.w(TAG, "Can't install because provider name " + names[j] + 4598 " (in package " + pkg.applicationInfo.packageName + 4599 ") is already used by " 4600 + ((other != null && other.getComponentName() != null) 4601 ? other.getComponentName().getPackageName() : "?")); 4602 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4603 return null; 4604 } 4605 } 4606 } 4607 } 4608 } 4609 4610 if (pkg.mAdoptPermissions != null) { 4611 // This package wants to adopt ownership of permissions from 4612 // another package. 4613 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4614 final String origName = pkg.mAdoptPermissions.get(i); 4615 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4616 if (orig != null) { 4617 if (verifyPackageUpdateLPr(orig, pkg)) { 4618 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4619 + pkg.packageName); 4620 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4621 } 4622 } 4623 } 4624 } 4625 } 4626 4627 final String pkgName = pkg.packageName; 4628 4629 final long scanFileTime = scanFile.lastModified(); 4630 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4631 pkg.applicationInfo.processName = fixProcessName( 4632 pkg.applicationInfo.packageName, 4633 pkg.applicationInfo.processName, 4634 pkg.applicationInfo.uid); 4635 4636 File dataPath; 4637 if (mPlatformPackage == pkg) { 4638 // The system package is special. 4639 dataPath = new File (Environment.getDataDirectory(), "system"); 4640 pkg.applicationInfo.dataDir = dataPath.getPath(); 4641 } else { 4642 // This is a normal package, need to make its data directory. 4643 dataPath = getDataPathForPackage(pkg.packageName, 0); 4644 4645 boolean uidError = false; 4646 4647 if (dataPath.exists()) { 4648 int currentUid = 0; 4649 try { 4650 StructStat stat = Os.stat(dataPath.getPath()); 4651 currentUid = stat.st_uid; 4652 } catch (ErrnoException e) { 4653 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4654 } 4655 4656 // If we have mismatched owners for the data path, we have a problem. 4657 if (currentUid != pkg.applicationInfo.uid) { 4658 boolean recovered = false; 4659 if (currentUid == 0) { 4660 // The directory somehow became owned by root. Wow. 4661 // This is probably because the system was stopped while 4662 // installd was in the middle of messing with its libs 4663 // directory. Ask installd to fix that. 4664 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4665 pkg.applicationInfo.uid); 4666 if (ret >= 0) { 4667 recovered = true; 4668 String msg = "Package " + pkg.packageName 4669 + " unexpectedly changed to uid 0; recovered to " + 4670 + pkg.applicationInfo.uid; 4671 reportSettingsProblem(Log.WARN, msg); 4672 } 4673 } 4674 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4675 || (scanMode&SCAN_BOOTING) != 0)) { 4676 // If this is a system app, we can at least delete its 4677 // current data so the application will still work. 4678 int ret = removeDataDirsLI(pkgName); 4679 if (ret >= 0) { 4680 // TODO: Kill the processes first 4681 // Old data gone! 4682 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4683 ? "System package " : "Third party package "; 4684 String msg = prefix + pkg.packageName 4685 + " has changed from uid: " 4686 + currentUid + " to " 4687 + pkg.applicationInfo.uid + "; old data erased"; 4688 reportSettingsProblem(Log.WARN, msg); 4689 recovered = true; 4690 4691 // And now re-install the app. 4692 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4693 pkg.applicationInfo.seinfo); 4694 if (ret == -1) { 4695 // Ack should not happen! 4696 msg = prefix + pkg.packageName 4697 + " could not have data directory re-created after delete."; 4698 reportSettingsProblem(Log.WARN, msg); 4699 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4700 return null; 4701 } 4702 } 4703 if (!recovered) { 4704 mHasSystemUidErrors = true; 4705 } 4706 } else if (!recovered) { 4707 // If we allow this install to proceed, we will be broken. 4708 // Abort, abort! 4709 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4710 return null; 4711 } 4712 if (!recovered) { 4713 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4714 + pkg.applicationInfo.uid + "/fs_" 4715 + currentUid; 4716 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4717 String msg = "Package " + pkg.packageName 4718 + " has mismatched uid: " 4719 + currentUid + " on disk, " 4720 + pkg.applicationInfo.uid + " in settings"; 4721 // writer 4722 synchronized (mPackages) { 4723 mSettings.mReadMessages.append(msg); 4724 mSettings.mReadMessages.append('\n'); 4725 uidError = true; 4726 if (!pkgSetting.uidError) { 4727 reportSettingsProblem(Log.ERROR, msg); 4728 } 4729 } 4730 } 4731 } 4732 pkg.applicationInfo.dataDir = dataPath.getPath(); 4733 if (mShouldRestoreconData) { 4734 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4735 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4736 pkg.applicationInfo.uid); 4737 } 4738 } else { 4739 if (DEBUG_PACKAGE_SCANNING) { 4740 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4741 Log.v(TAG, "Want this data dir: " + dataPath); 4742 } 4743 //invoke installer to do the actual installation 4744 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4745 pkg.applicationInfo.seinfo); 4746 if (ret < 0) { 4747 // Error from installer 4748 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4749 return null; 4750 } 4751 4752 if (dataPath.exists()) { 4753 pkg.applicationInfo.dataDir = dataPath.getPath(); 4754 } else { 4755 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4756 pkg.applicationInfo.dataDir = null; 4757 } 4758 } 4759 4760 /* 4761 * Set the data dir to the default "/data/data/<package name>/lib" 4762 * if we got here without anyone telling us different (e.g., apps 4763 * stored on SD card have their native libraries stored in the ASEC 4764 * container with the APK). 4765 * 4766 * This happens during an upgrade from a package settings file that 4767 * doesn't have a native library path attribute at all. 4768 */ 4769 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4770 if (pkgSetting.nativeLibraryPathString == null) { 4771 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4772 } else { 4773 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4774 } 4775 } 4776 pkgSetting.uidError = uidError; 4777 } 4778 4779 String path = scanFile.getPath(); 4780 /* Note: We don't want to unpack the native binaries for 4781 * system applications, unless they have been updated 4782 * (the binaries are already under /system/lib). 4783 * Also, don't unpack libs for apps on the external card 4784 * since they should have their libraries in the ASEC 4785 * container already. 4786 * 4787 * In other words, we're going to unpack the binaries 4788 * only for non-system apps and system app upgrades. 4789 */ 4790 if (pkg.applicationInfo.nativeLibraryDir != null) { 4791 try { 4792 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4793 final String dataPathString = dataPath.getCanonicalPath(); 4794 4795 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4796 /* 4797 * Upgrading from a previous version of the OS sometimes 4798 * leaves native libraries in the /data/data/<app>/lib 4799 * directory for system apps even when they shouldn't be. 4800 * Recent changes in the JNI library search path 4801 * necessitates we remove those to match previous behavior. 4802 */ 4803 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4804 Log.i(TAG, "removed obsolete native libraries for system package " 4805 + path); 4806 } 4807 4808 setInternalAppAbi(pkg, pkgSetting); 4809 } else { 4810 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4811 /* 4812 * Update native library dir if it starts with 4813 * /data/data 4814 */ 4815 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4816 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4817 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4818 } 4819 4820 try { 4821 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 4822 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 4823 Slog.e(TAG, "Unable to copy native libraries"); 4824 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4825 return null; 4826 } 4827 4828 // We've successfully copied native libraries across, so we make a 4829 // note of what ABI we're using 4830 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 4831 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 4832 } else { 4833 pkg.applicationInfo.requiredCpuAbi = null; 4834 } 4835 } catch (IOException e) { 4836 Slog.e(TAG, "Unable to copy native libraries", e); 4837 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4838 return null; 4839 } 4840 } else { 4841 // We don't have to copy the shared libraries if we're in the ASEC container 4842 // but we still need to scan the file to figure out what ABI the app needs. 4843 // 4844 // TODO: This duplicates work done in the default container service. It's possible 4845 // to clean this up but we'll need to change the interface between this service 4846 // and IMediaContainerService (but doing so will spread this logic out, rather 4847 // than centralizing it). 4848 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 4849 final int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 4850 if (abi >= 0) { 4851 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[abi]; 4852 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 4853 // Note that (non upgraded) system apps will not have any native 4854 // libraries bundled in their APK, but we're guaranteed not to be 4855 // such an app at this point. 4856 pkg.applicationInfo.requiredCpuAbi = null; 4857 } else { 4858 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4859 return null; 4860 } 4861 handle.close(); 4862 } 4863 4864 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4865 final int[] userIds = sUserManager.getUserIds(); 4866 synchronized (mInstallLock) { 4867 for (int userId : userIds) { 4868 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4869 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4870 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4871 + ")"); 4872 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4873 return null; 4874 } 4875 } 4876 } 4877 } 4878 } catch (IOException ioe) { 4879 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4880 } 4881 } 4882 pkg.mScanPath = path; 4883 4884 if ((scanMode&SCAN_NO_DEX) == 0) { 4885 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4886 == DEX_OPT_FAILED) { 4887 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4888 removeDataDirsLI(pkg.packageName); 4889 } 4890 4891 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4892 return null; 4893 } 4894 } 4895 4896 if (mFactoryTest && pkg.requestedPermissions.contains( 4897 android.Manifest.permission.FACTORY_TEST)) { 4898 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4899 } 4900 4901 ArrayList<PackageParser.Package> clientLibPkgs = null; 4902 4903 // writer 4904 synchronized (mPackages) { 4905 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4906 // Only system apps can add new shared libraries. 4907 if (pkg.libraryNames != null) { 4908 for (int i=0; i<pkg.libraryNames.size(); i++) { 4909 String name = pkg.libraryNames.get(i); 4910 boolean allowed = false; 4911 if (isUpdatedSystemApp(pkg)) { 4912 // New library entries can only be added through the 4913 // system image. This is important to get rid of a lot 4914 // of nasty edge cases: for example if we allowed a non- 4915 // system update of the app to add a library, then uninstalling 4916 // the update would make the library go away, and assumptions 4917 // we made such as through app install filtering would now 4918 // have allowed apps on the device which aren't compatible 4919 // with it. Better to just have the restriction here, be 4920 // conservative, and create many fewer cases that can negatively 4921 // impact the user experience. 4922 final PackageSetting sysPs = mSettings 4923 .getDisabledSystemPkgLPr(pkg.packageName); 4924 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4925 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4926 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4927 allowed = true; 4928 allowed = true; 4929 break; 4930 } 4931 } 4932 } 4933 } else { 4934 allowed = true; 4935 } 4936 if (allowed) { 4937 if (!mSharedLibraries.containsKey(name)) { 4938 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 4939 } else if (!name.equals(pkg.packageName)) { 4940 Slog.w(TAG, "Package " + pkg.packageName + " library " 4941 + name + " already exists; skipping"); 4942 } 4943 } else { 4944 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4945 + name + " that is not declared on system image; skipping"); 4946 } 4947 } 4948 if ((scanMode&SCAN_BOOTING) == 0) { 4949 // If we are not booting, we need to update any applications 4950 // that are clients of our shared library. If we are booting, 4951 // this will all be done once the scan is complete. 4952 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4953 } 4954 } 4955 } 4956 } 4957 4958 // We also need to dexopt any apps that are dependent on this library. Note that 4959 // if these fail, we should abort the install since installing the library will 4960 // result in some apps being broken. 4961 if (clientLibPkgs != null) { 4962 if ((scanMode&SCAN_NO_DEX) == 0) { 4963 for (int i=0; i<clientLibPkgs.size(); i++) { 4964 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4965 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4966 == DEX_OPT_FAILED) { 4967 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4968 removeDataDirsLI(pkg.packageName); 4969 } 4970 4971 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4972 return null; 4973 } 4974 } 4975 } 4976 } 4977 4978 // Request the ActivityManager to kill the process(only for existing packages) 4979 // so that we do not end up in a confused state while the user is still using the older 4980 // version of the application while the new one gets installed. 4981 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4982 // If the package lives in an asec, tell everyone that the container is going 4983 // away so they can clean up any references to its resources (which would prevent 4984 // vold from being able to unmount the asec) 4985 if (isForwardLocked(pkg) || isExternal(pkg)) { 4986 if (DEBUG_INSTALL) { 4987 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4988 } 4989 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4990 final ArrayList<String> pkgList = new ArrayList<String>(1); 4991 pkgList.add(pkg.applicationInfo.packageName); 4992 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4993 } 4994 4995 // Post the request that it be killed now that the going-away broadcast is en route 4996 killApplication(pkg.applicationInfo.packageName, 4997 pkg.applicationInfo.uid, "update pkg"); 4998 } 4999 5000 // Also need to kill any apps that are dependent on the library. 5001 if (clientLibPkgs != null) { 5002 for (int i=0; i<clientLibPkgs.size(); i++) { 5003 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5004 killApplication(clientPkg.applicationInfo.packageName, 5005 clientPkg.applicationInfo.uid, "update lib"); 5006 } 5007 } 5008 5009 // writer 5010 synchronized (mPackages) { 5011 // We don't expect installation to fail beyond this point, 5012 if ((scanMode&SCAN_MONITOR) != 0) { 5013 mAppDirs.put(pkg.mPath, pkg); 5014 } 5015 // Add the new setting to mSettings 5016 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5017 // Add the new setting to mPackages 5018 mPackages.put(pkg.applicationInfo.packageName, pkg); 5019 // Make sure we don't accidentally delete its data. 5020 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5021 while (iter.hasNext()) { 5022 PackageCleanItem item = iter.next(); 5023 if (pkgName.equals(item.packageName)) { 5024 iter.remove(); 5025 } 5026 } 5027 5028 // Take care of first install / last update times. 5029 if (currentTime != 0) { 5030 if (pkgSetting.firstInstallTime == 0) { 5031 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5032 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5033 pkgSetting.lastUpdateTime = currentTime; 5034 } 5035 } else if (pkgSetting.firstInstallTime == 0) { 5036 // We need *something*. Take time time stamp of the file. 5037 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5038 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5039 if (scanFileTime != pkgSetting.timeStamp) { 5040 // A package on the system image has changed; consider this 5041 // to be an update. 5042 pkgSetting.lastUpdateTime = scanFileTime; 5043 } 5044 } 5045 5046 // Add the package's KeySets to the global KeySetManager 5047 KeySetManager ksm = mSettings.mKeySetManager; 5048 try { 5049 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5050 if (pkg.mKeySetMapping != null) { 5051 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5052 if (entry.getValue() != null) { 5053 ksm.addDefinedKeySetToPackage(pkg.packageName, 5054 entry.getValue(), entry.getKey()); 5055 } 5056 } 5057 } 5058 } catch (NullPointerException e) { 5059 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5060 } catch (IllegalArgumentException e) { 5061 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5062 } 5063 5064 int N = pkg.providers.size(); 5065 StringBuilder r = null; 5066 int i; 5067 for (i=0; i<N; i++) { 5068 PackageParser.Provider p = pkg.providers.get(i); 5069 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5070 p.info.processName, pkg.applicationInfo.uid); 5071 mProviders.addProvider(p); 5072 p.syncable = p.info.isSyncable; 5073 if (p.info.authority != null) { 5074 String names[] = p.info.authority.split(";"); 5075 p.info.authority = null; 5076 for (int j = 0; j < names.length; j++) { 5077 if (j == 1 && p.syncable) { 5078 // We only want the first authority for a provider to possibly be 5079 // syncable, so if we already added this provider using a different 5080 // authority clear the syncable flag. We copy the provider before 5081 // changing it because the mProviders object contains a reference 5082 // to a provider that we don't want to change. 5083 // Only do this for the second authority since the resulting provider 5084 // object can be the same for all future authorities for this provider. 5085 p = new PackageParser.Provider(p); 5086 p.syncable = false; 5087 } 5088 if (!mProvidersByAuthority.containsKey(names[j])) { 5089 mProvidersByAuthority.put(names[j], p); 5090 if (p.info.authority == null) { 5091 p.info.authority = names[j]; 5092 } else { 5093 p.info.authority = p.info.authority + ";" + names[j]; 5094 } 5095 if (DEBUG_PACKAGE_SCANNING) { 5096 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5097 Log.d(TAG, "Registered content provider: " + names[j] 5098 + ", className = " + p.info.name + ", isSyncable = " 5099 + p.info.isSyncable); 5100 } 5101 } else { 5102 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5103 Slog.w(TAG, "Skipping provider name " + names[j] + 5104 " (in package " + pkg.applicationInfo.packageName + 5105 "): name already used by " 5106 + ((other != null && other.getComponentName() != null) 5107 ? other.getComponentName().getPackageName() : "?")); 5108 } 5109 } 5110 } 5111 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5112 if (r == null) { 5113 r = new StringBuilder(256); 5114 } else { 5115 r.append(' '); 5116 } 5117 r.append(p.info.name); 5118 } 5119 } 5120 if (r != null) { 5121 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5122 } 5123 5124 N = pkg.services.size(); 5125 r = null; 5126 for (i=0; i<N; i++) { 5127 PackageParser.Service s = pkg.services.get(i); 5128 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5129 s.info.processName, pkg.applicationInfo.uid); 5130 mServices.addService(s); 5131 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5132 if (r == null) { 5133 r = new StringBuilder(256); 5134 } else { 5135 r.append(' '); 5136 } 5137 r.append(s.info.name); 5138 } 5139 } 5140 if (r != null) { 5141 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5142 } 5143 5144 N = pkg.receivers.size(); 5145 r = null; 5146 for (i=0; i<N; i++) { 5147 PackageParser.Activity a = pkg.receivers.get(i); 5148 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5149 a.info.processName, pkg.applicationInfo.uid); 5150 mReceivers.addActivity(a, "receiver"); 5151 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5152 if (r == null) { 5153 r = new StringBuilder(256); 5154 } else { 5155 r.append(' '); 5156 } 5157 r.append(a.info.name); 5158 } 5159 } 5160 if (r != null) { 5161 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5162 } 5163 5164 N = pkg.activities.size(); 5165 r = null; 5166 for (i=0; i<N; i++) { 5167 PackageParser.Activity a = pkg.activities.get(i); 5168 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5169 a.info.processName, pkg.applicationInfo.uid); 5170 mActivities.addActivity(a, "activity"); 5171 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5172 if (r == null) { 5173 r = new StringBuilder(256); 5174 } else { 5175 r.append(' '); 5176 } 5177 r.append(a.info.name); 5178 } 5179 } 5180 if (r != null) { 5181 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5182 } 5183 5184 N = pkg.permissionGroups.size(); 5185 r = null; 5186 for (i=0; i<N; i++) { 5187 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5188 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5189 if (cur == null) { 5190 mPermissionGroups.put(pg.info.name, pg); 5191 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5192 if (r == null) { 5193 r = new StringBuilder(256); 5194 } else { 5195 r.append(' '); 5196 } 5197 r.append(pg.info.name); 5198 } 5199 } else { 5200 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5201 + pg.info.packageName + " ignored: original from " 5202 + cur.info.packageName); 5203 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5204 if (r == null) { 5205 r = new StringBuilder(256); 5206 } else { 5207 r.append(' '); 5208 } 5209 r.append("DUP:"); 5210 r.append(pg.info.name); 5211 } 5212 } 5213 } 5214 if (r != null) { 5215 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5216 } 5217 5218 N = pkg.permissions.size(); 5219 r = null; 5220 for (i=0; i<N; i++) { 5221 PackageParser.Permission p = pkg.permissions.get(i); 5222 HashMap<String, BasePermission> permissionMap = 5223 p.tree ? mSettings.mPermissionTrees 5224 : mSettings.mPermissions; 5225 p.group = mPermissionGroups.get(p.info.group); 5226 if (p.info.group == null || p.group != null) { 5227 BasePermission bp = permissionMap.get(p.info.name); 5228 if (bp == null) { 5229 bp = new BasePermission(p.info.name, p.info.packageName, 5230 BasePermission.TYPE_NORMAL); 5231 permissionMap.put(p.info.name, bp); 5232 } 5233 if (bp.perm == null) { 5234 if (bp.sourcePackage != null 5235 && !bp.sourcePackage.equals(p.info.packageName)) { 5236 // If this is a permission that was formerly defined by a non-system 5237 // app, but is now defined by a system app (following an upgrade), 5238 // discard the previous declaration and consider the system's to be 5239 // canonical. 5240 if (isSystemApp(p.owner)) { 5241 Slog.i(TAG, "New decl " + p.owner + " of permission " 5242 + p.info.name + " is system"); 5243 bp.sourcePackage = null; 5244 } 5245 } 5246 if (bp.sourcePackage == null 5247 || bp.sourcePackage.equals(p.info.packageName)) { 5248 BasePermission tree = findPermissionTreeLP(p.info.name); 5249 if (tree == null 5250 || tree.sourcePackage.equals(p.info.packageName)) { 5251 bp.packageSetting = pkgSetting; 5252 bp.perm = p; 5253 bp.uid = pkg.applicationInfo.uid; 5254 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5255 if (r == null) { 5256 r = new StringBuilder(256); 5257 } else { 5258 r.append(' '); 5259 } 5260 r.append(p.info.name); 5261 } 5262 } else { 5263 Slog.w(TAG, "Permission " + p.info.name + " from package " 5264 + p.info.packageName + " ignored: base tree " 5265 + tree.name + " is from package " 5266 + tree.sourcePackage); 5267 } 5268 } else { 5269 Slog.w(TAG, "Permission " + p.info.name + " from package " 5270 + p.info.packageName + " ignored: original from " 5271 + bp.sourcePackage); 5272 } 5273 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5274 if (r == null) { 5275 r = new StringBuilder(256); 5276 } else { 5277 r.append(' '); 5278 } 5279 r.append("DUP:"); 5280 r.append(p.info.name); 5281 } 5282 if (bp.perm == p) { 5283 bp.protectionLevel = p.info.protectionLevel; 5284 } 5285 } else { 5286 Slog.w(TAG, "Permission " + p.info.name + " from package " 5287 + p.info.packageName + " ignored: no group " 5288 + p.group); 5289 } 5290 } 5291 if (r != null) { 5292 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5293 } 5294 5295 N = pkg.instrumentation.size(); 5296 r = null; 5297 for (i=0; i<N; i++) { 5298 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5299 a.info.packageName = pkg.applicationInfo.packageName; 5300 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5301 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5302 a.info.dataDir = pkg.applicationInfo.dataDir; 5303 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5304 mInstrumentation.put(a.getComponentName(), a); 5305 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 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_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5316 } 5317 5318 if (pkg.protectedBroadcasts != null) { 5319 N = pkg.protectedBroadcasts.size(); 5320 for (i=0; i<N; i++) { 5321 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5322 } 5323 } 5324 5325 pkgSetting.setTimeStamp(scanFileTime); 5326 5327 // Create idmap files for pairs of (packages, overlay packages). 5328 // Note: "android", ie framework-res.apk, is handled by native layers. 5329 if (pkg.mOverlayTarget != null) { 5330 // This is an overlay package. 5331 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5332 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5333 mOverlays.put(pkg.mOverlayTarget, 5334 new HashMap<String, PackageParser.Package>()); 5335 } 5336 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5337 map.put(pkg.packageName, pkg); 5338 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5339 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5340 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5341 return null; 5342 } 5343 } 5344 } else if (mOverlays.containsKey(pkg.packageName) && 5345 !pkg.packageName.equals("android")) { 5346 // This is a regular package, with one or more known overlay packages. 5347 createIdmapsForPackageLI(pkg); 5348 } 5349 } 5350 5351 return pkg; 5352 } 5353 5354 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5355 synchronized (mPackages) { 5356 mResolverReplaced = true; 5357 // Set up information for custom user intent resolution activity. 5358 mResolveActivity.applicationInfo = pkg.applicationInfo; 5359 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5360 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5361 mResolveActivity.processName = null; 5362 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5363 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5364 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5365 mResolveActivity.theme = 0; 5366 mResolveActivity.exported = true; 5367 mResolveActivity.enabled = true; 5368 mResolveInfo.activityInfo = mResolveActivity; 5369 mResolveInfo.priority = 0; 5370 mResolveInfo.preferredOrder = 0; 5371 mResolveInfo.match = 0; 5372 mResolveComponentName = mCustomResolverComponentName; 5373 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5374 mResolveComponentName); 5375 } 5376 } 5377 5378 private String calculateApkRoot(final String codePathString) { 5379 final File codePath = new File(codePathString); 5380 final File codeRoot; 5381 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5382 codeRoot = Environment.getRootDirectory(); 5383 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5384 codeRoot = Environment.getOemDirectory(); 5385 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5386 codeRoot = Environment.getVendorDirectory(); 5387 } else { 5388 // Unrecognized code path; take its top real segment as the apk root: 5389 // e.g. /something/app/blah.apk => /something 5390 try { 5391 File f = codePath.getCanonicalFile(); 5392 File parent = f.getParentFile(); // non-null because codePath is a file 5393 File tmp; 5394 while ((tmp = parent.getParentFile()) != null) { 5395 f = parent; 5396 parent = tmp; 5397 } 5398 codeRoot = f; 5399 Slog.w(TAG, "Unrecognized code path " 5400 + codePath + " - using " + codeRoot); 5401 } catch (IOException e) { 5402 // Can't canonicalize the lib path -- shenanigans? 5403 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5404 return Environment.getRootDirectory().getPath(); 5405 } 5406 } 5407 return codeRoot.getPath(); 5408 } 5409 5410 // This is the initial scan-time determination of how to handle a given 5411 // package for purposes of native library location. 5412 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5413 PackageSetting pkgSetting) { 5414 // "bundled" here means system-installed with no overriding update 5415 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5416 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5417 final File libDir; 5418 if (bundledApk) { 5419 // If "/system/lib64/apkname" exists, assume that is the per-package 5420 // native library directory to use; otherwise use "/system/lib/apkname". 5421 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5422 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5423 File packLib64 = new File(lib64, apkName); 5424 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5425 } else { 5426 libDir = mAppLibInstallDir; 5427 } 5428 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5429 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5430 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5431 } 5432 5433 // Deduces the required ABI of an upgraded system app. 5434 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 5435 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5436 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5437 5438 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 5439 // or similar. 5440 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 5441 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 5442 5443 // Assume that the bundled native libraries always correspond to the 5444 // most preferred 32 or 64 bit ABI. 5445 if (lib64.exists()) { 5446 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 5447 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 5448 } else if (lib.exists()) { 5449 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5450 pkgSetting.requiredCpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 5451 } else { 5452 // This is the case where the app has no native code. 5453 pkg.applicationInfo.requiredCpuAbi = null; 5454 pkgSetting.requiredCpuAbiString = null; 5455 } 5456 } 5457 5458 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5459 throws IOException { 5460 if (!nativeLibraryDir.isDirectory()) { 5461 nativeLibraryDir.delete(); 5462 5463 if (!nativeLibraryDir.mkdir()) { 5464 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5465 } 5466 5467 try { 5468 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5469 } catch (ErrnoException e) { 5470 throw new IOException("Cannot chmod native library directory " 5471 + nativeLibraryDir.getPath(), e); 5472 } 5473 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5474 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5475 } 5476 5477 /* 5478 * If this is an internal application or our nativeLibraryPath points to 5479 * the app-lib directory, unpack the libraries if necessary. 5480 */ 5481 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5482 try { 5483 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5484 if (abi >= 0) { 5485 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5486 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5487 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5488 return copyRet; 5489 } 5490 } 5491 5492 return abi; 5493 } finally { 5494 handle.close(); 5495 } 5496 } 5497 5498 private void killApplication(String pkgName, int appId, String reason) { 5499 // Request the ActivityManager to kill the process(only for existing packages) 5500 // so that we do not end up in a confused state while the user is still using the older 5501 // version of the application while the new one gets installed. 5502 IActivityManager am = ActivityManagerNative.getDefault(); 5503 if (am != null) { 5504 try { 5505 am.killApplicationWithAppId(pkgName, appId, reason); 5506 } catch (RemoteException e) { 5507 } 5508 } 5509 } 5510 5511 void removePackageLI(PackageSetting ps, boolean chatty) { 5512 if (DEBUG_INSTALL) { 5513 if (chatty) 5514 Log.d(TAG, "Removing package " + ps.name); 5515 } 5516 5517 // writer 5518 synchronized (mPackages) { 5519 mPackages.remove(ps.name); 5520 if (ps.codePathString != null) { 5521 mAppDirs.remove(ps.codePathString); 5522 } 5523 5524 final PackageParser.Package pkg = ps.pkg; 5525 if (pkg != null) { 5526 cleanPackageDataStructuresLILPw(pkg, chatty); 5527 } 5528 } 5529 } 5530 5531 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5532 if (DEBUG_INSTALL) { 5533 if (chatty) 5534 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5535 } 5536 5537 // writer 5538 synchronized (mPackages) { 5539 mPackages.remove(pkg.applicationInfo.packageName); 5540 if (pkg.mPath != null) { 5541 mAppDirs.remove(pkg.mPath); 5542 } 5543 cleanPackageDataStructuresLILPw(pkg, chatty); 5544 } 5545 } 5546 5547 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5548 int N = pkg.providers.size(); 5549 StringBuilder r = null; 5550 int i; 5551 for (i=0; i<N; i++) { 5552 PackageParser.Provider p = pkg.providers.get(i); 5553 mProviders.removeProvider(p); 5554 if (p.info.authority == null) { 5555 5556 /* There was another ContentProvider with this authority when 5557 * this app was installed so this authority is null, 5558 * Ignore it as we don't have to unregister the provider. 5559 */ 5560 continue; 5561 } 5562 String names[] = p.info.authority.split(";"); 5563 for (int j = 0; j < names.length; j++) { 5564 if (mProvidersByAuthority.get(names[j]) == p) { 5565 mProvidersByAuthority.remove(names[j]); 5566 if (DEBUG_REMOVE) { 5567 if (chatty) 5568 Log.d(TAG, "Unregistered content provider: " + names[j] 5569 + ", className = " + p.info.name + ", isSyncable = " 5570 + p.info.isSyncable); 5571 } 5572 } 5573 } 5574 if (DEBUG_REMOVE && chatty) { 5575 if (r == null) { 5576 r = new StringBuilder(256); 5577 } else { 5578 r.append(' '); 5579 } 5580 r.append(p.info.name); 5581 } 5582 } 5583 if (r != null) { 5584 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5585 } 5586 5587 N = pkg.services.size(); 5588 r = null; 5589 for (i=0; i<N; i++) { 5590 PackageParser.Service s = pkg.services.get(i); 5591 mServices.removeService(s); 5592 if (chatty) { 5593 if (r == null) { 5594 r = new StringBuilder(256); 5595 } else { 5596 r.append(' '); 5597 } 5598 r.append(s.info.name); 5599 } 5600 } 5601 if (r != null) { 5602 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5603 } 5604 5605 N = pkg.receivers.size(); 5606 r = null; 5607 for (i=0; i<N; i++) { 5608 PackageParser.Activity a = pkg.receivers.get(i); 5609 mReceivers.removeActivity(a, "receiver"); 5610 if (DEBUG_REMOVE && chatty) { 5611 if (r == null) { 5612 r = new StringBuilder(256); 5613 } else { 5614 r.append(' '); 5615 } 5616 r.append(a.info.name); 5617 } 5618 } 5619 if (r != null) { 5620 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5621 } 5622 5623 N = pkg.activities.size(); 5624 r = null; 5625 for (i=0; i<N; i++) { 5626 PackageParser.Activity a = pkg.activities.get(i); 5627 mActivities.removeActivity(a, "activity"); 5628 if (DEBUG_REMOVE && chatty) { 5629 if (r == null) { 5630 r = new StringBuilder(256); 5631 } else { 5632 r.append(' '); 5633 } 5634 r.append(a.info.name); 5635 } 5636 } 5637 if (r != null) { 5638 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5639 } 5640 5641 N = pkg.permissions.size(); 5642 r = null; 5643 for (i=0; i<N; i++) { 5644 PackageParser.Permission p = pkg.permissions.get(i); 5645 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5646 if (bp == null) { 5647 bp = mSettings.mPermissionTrees.get(p.info.name); 5648 } 5649 if (bp != null && bp.perm == p) { 5650 bp.perm = null; 5651 if (DEBUG_REMOVE && chatty) { 5652 if (r == null) { 5653 r = new StringBuilder(256); 5654 } else { 5655 r.append(' '); 5656 } 5657 r.append(p.info.name); 5658 } 5659 } 5660 } 5661 if (r != null) { 5662 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5663 } 5664 5665 N = pkg.instrumentation.size(); 5666 r = null; 5667 for (i=0; i<N; i++) { 5668 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5669 mInstrumentation.remove(a.getComponentName()); 5670 if (DEBUG_REMOVE && chatty) { 5671 if (r == null) { 5672 r = new StringBuilder(256); 5673 } else { 5674 r.append(' '); 5675 } 5676 r.append(a.info.name); 5677 } 5678 } 5679 if (r != null) { 5680 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5681 } 5682 5683 r = null; 5684 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5685 // Only system apps can hold shared libraries. 5686 if (pkg.libraryNames != null) { 5687 for (i=0; i<pkg.libraryNames.size(); i++) { 5688 String name = pkg.libraryNames.get(i); 5689 SharedLibraryEntry cur = mSharedLibraries.get(name); 5690 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5691 mSharedLibraries.remove(name); 5692 if (DEBUG_REMOVE && chatty) { 5693 if (r == null) { 5694 r = new StringBuilder(256); 5695 } else { 5696 r.append(' '); 5697 } 5698 r.append(name); 5699 } 5700 } 5701 } 5702 } 5703 } 5704 if (r != null) { 5705 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5706 } 5707 } 5708 5709 private static final boolean isPackageFilename(String name) { 5710 return name != null && name.endsWith(".apk"); 5711 } 5712 5713 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5714 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5715 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5716 return true; 5717 } 5718 } 5719 return false; 5720 } 5721 5722 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5723 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5724 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5725 5726 private void updatePermissionsLPw(String changingPkg, 5727 PackageParser.Package pkgInfo, int flags) { 5728 // Make sure there are no dangling permission trees. 5729 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5730 while (it.hasNext()) { 5731 final BasePermission bp = it.next(); 5732 if (bp.packageSetting == null) { 5733 // We may not yet have parsed the package, so just see if 5734 // we still know about its settings. 5735 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5736 } 5737 if (bp.packageSetting == null) { 5738 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5739 + " from package " + bp.sourcePackage); 5740 it.remove(); 5741 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5742 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5743 Slog.i(TAG, "Removing old permission tree: " + bp.name 5744 + " from package " + bp.sourcePackage); 5745 flags |= UPDATE_PERMISSIONS_ALL; 5746 it.remove(); 5747 } 5748 } 5749 } 5750 5751 // Make sure all dynamic permissions have been assigned to a package, 5752 // and make sure there are no dangling permissions. 5753 it = mSettings.mPermissions.values().iterator(); 5754 while (it.hasNext()) { 5755 final BasePermission bp = it.next(); 5756 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5757 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5758 + bp.name + " pkg=" + bp.sourcePackage 5759 + " info=" + bp.pendingInfo); 5760 if (bp.packageSetting == null && bp.pendingInfo != null) { 5761 final BasePermission tree = findPermissionTreeLP(bp.name); 5762 if (tree != null && tree.perm != null) { 5763 bp.packageSetting = tree.packageSetting; 5764 bp.perm = new PackageParser.Permission(tree.perm.owner, 5765 new PermissionInfo(bp.pendingInfo)); 5766 bp.perm.info.packageName = tree.perm.info.packageName; 5767 bp.perm.info.name = bp.name; 5768 bp.uid = tree.uid; 5769 } 5770 } 5771 } 5772 if (bp.packageSetting == null) { 5773 // We may not yet have parsed the package, so just see if 5774 // we still know about its settings. 5775 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5776 } 5777 if (bp.packageSetting == null) { 5778 Slog.w(TAG, "Removing dangling permission: " + bp.name 5779 + " from package " + bp.sourcePackage); 5780 it.remove(); 5781 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5782 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5783 Slog.i(TAG, "Removing old permission: " + bp.name 5784 + " from package " + bp.sourcePackage); 5785 flags |= UPDATE_PERMISSIONS_ALL; 5786 it.remove(); 5787 } 5788 } 5789 } 5790 5791 // Now update the permissions for all packages, in particular 5792 // replace the granted permissions of the system packages. 5793 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5794 for (PackageParser.Package pkg : mPackages.values()) { 5795 if (pkg != pkgInfo) { 5796 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5797 } 5798 } 5799 } 5800 5801 if (pkgInfo != null) { 5802 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5803 } 5804 } 5805 5806 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5807 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5808 if (ps == null) { 5809 return; 5810 } 5811 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5812 HashSet<String> origPermissions = gp.grantedPermissions; 5813 boolean changedPermission = false; 5814 5815 if (replace) { 5816 ps.permissionsFixed = false; 5817 if (gp == ps) { 5818 origPermissions = new HashSet<String>(gp.grantedPermissions); 5819 gp.grantedPermissions.clear(); 5820 gp.gids = mGlobalGids; 5821 } 5822 } 5823 5824 if (gp.gids == null) { 5825 gp.gids = mGlobalGids; 5826 } 5827 5828 final int N = pkg.requestedPermissions.size(); 5829 for (int i=0; i<N; i++) { 5830 final String name = pkg.requestedPermissions.get(i); 5831 final boolean required = pkg.requestedPermissionsRequired.get(i); 5832 final BasePermission bp = mSettings.mPermissions.get(name); 5833 if (DEBUG_INSTALL) { 5834 if (gp != ps) { 5835 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5836 } 5837 } 5838 5839 if (bp == null || bp.packageSetting == null) { 5840 Slog.w(TAG, "Unknown permission " + name 5841 + " in package " + pkg.packageName); 5842 continue; 5843 } 5844 5845 final String perm = bp.name; 5846 boolean allowed; 5847 boolean allowedSig = false; 5848 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5849 if (level == PermissionInfo.PROTECTION_NORMAL 5850 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5851 // We grant a normal or dangerous permission if any of the following 5852 // are true: 5853 // 1) The permission is required 5854 // 2) The permission is optional, but was granted in the past 5855 // 3) The permission is optional, but was requested by an 5856 // app in /system (not /data) 5857 // 5858 // Otherwise, reject the permission. 5859 allowed = (required || origPermissions.contains(perm) 5860 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5861 } else if (bp.packageSetting == null) { 5862 // This permission is invalid; skip it. 5863 allowed = false; 5864 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5865 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5866 if (allowed) { 5867 allowedSig = true; 5868 } 5869 } else { 5870 allowed = false; 5871 } 5872 if (DEBUG_INSTALL) { 5873 if (gp != ps) { 5874 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5875 } 5876 } 5877 if (allowed) { 5878 if (!isSystemApp(ps) && ps.permissionsFixed) { 5879 // If this is an existing, non-system package, then 5880 // we can't add any new permissions to it. 5881 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5882 // Except... if this is a permission that was added 5883 // to the platform (note: need to only do this when 5884 // updating the platform). 5885 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5886 } 5887 } 5888 if (allowed) { 5889 if (!gp.grantedPermissions.contains(perm)) { 5890 changedPermission = true; 5891 gp.grantedPermissions.add(perm); 5892 gp.gids = appendInts(gp.gids, bp.gids); 5893 } else if (!ps.haveGids) { 5894 gp.gids = appendInts(gp.gids, bp.gids); 5895 } 5896 } else { 5897 Slog.w(TAG, "Not granting permission " + perm 5898 + " to package " + pkg.packageName 5899 + " because it was previously installed without"); 5900 } 5901 } else { 5902 if (gp.grantedPermissions.remove(perm)) { 5903 changedPermission = true; 5904 gp.gids = removeInts(gp.gids, bp.gids); 5905 Slog.i(TAG, "Un-granting permission " + perm 5906 + " from package " + pkg.packageName 5907 + " (protectionLevel=" + bp.protectionLevel 5908 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5909 + ")"); 5910 } else { 5911 Slog.w(TAG, "Not granting permission " + perm 5912 + " to package " + pkg.packageName 5913 + " (protectionLevel=" + bp.protectionLevel 5914 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5915 + ")"); 5916 } 5917 } 5918 } 5919 5920 if ((changedPermission || replace) && !ps.permissionsFixed && 5921 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5922 // This is the first that we have heard about this package, so the 5923 // permissions we have now selected are fixed until explicitly 5924 // changed. 5925 ps.permissionsFixed = true; 5926 } 5927 ps.haveGids = true; 5928 } 5929 5930 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5931 boolean allowed = false; 5932 final int NP = PackageParser.NEW_PERMISSIONS.length; 5933 for (int ip=0; ip<NP; ip++) { 5934 final PackageParser.NewPermissionInfo npi 5935 = PackageParser.NEW_PERMISSIONS[ip]; 5936 if (npi.name.equals(perm) 5937 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5938 allowed = true; 5939 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5940 + pkg.packageName); 5941 break; 5942 } 5943 } 5944 return allowed; 5945 } 5946 5947 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5948 BasePermission bp, HashSet<String> origPermissions) { 5949 boolean allowed; 5950 allowed = (compareSignatures( 5951 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5952 == PackageManager.SIGNATURE_MATCH) 5953 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5954 == PackageManager.SIGNATURE_MATCH); 5955 if (!allowed && (bp.protectionLevel 5956 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5957 if (isSystemApp(pkg)) { 5958 // For updated system applications, a system permission 5959 // is granted only if it had been defined by the original application. 5960 if (isUpdatedSystemApp(pkg)) { 5961 final PackageSetting sysPs = mSettings 5962 .getDisabledSystemPkgLPr(pkg.packageName); 5963 final GrantedPermissions origGp = sysPs.sharedUser != null 5964 ? sysPs.sharedUser : sysPs; 5965 5966 if (origGp.grantedPermissions.contains(perm)) { 5967 // If the original was granted this permission, we take 5968 // that grant decision as read and propagate it to the 5969 // update. 5970 allowed = true; 5971 } else { 5972 // The system apk may have been updated with an older 5973 // version of the one on the data partition, but which 5974 // granted a new system permission that it didn't have 5975 // before. In this case we do want to allow the app to 5976 // now get the new permission if the ancestral apk is 5977 // privileged to get it. 5978 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5979 for (int j=0; 5980 j<sysPs.pkg.requestedPermissions.size(); j++) { 5981 if (perm.equals( 5982 sysPs.pkg.requestedPermissions.get(j))) { 5983 allowed = true; 5984 break; 5985 } 5986 } 5987 } 5988 } 5989 } else { 5990 allowed = isPrivilegedApp(pkg); 5991 } 5992 } 5993 } 5994 if (!allowed && (bp.protectionLevel 5995 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5996 // For development permissions, a development permission 5997 // is granted only if it was already granted. 5998 allowed = origPermissions.contains(perm); 5999 } 6000 return allowed; 6001 } 6002 6003 final class ActivityIntentResolver 6004 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6005 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6006 boolean defaultOnly, int userId) { 6007 if (!sUserManager.exists(userId)) return null; 6008 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6009 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6010 } 6011 6012 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6013 int userId) { 6014 if (!sUserManager.exists(userId)) return null; 6015 mFlags = flags; 6016 return super.queryIntent(intent, resolvedType, 6017 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6018 } 6019 6020 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6021 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6022 if (!sUserManager.exists(userId)) return null; 6023 if (packageActivities == null) { 6024 return null; 6025 } 6026 mFlags = flags; 6027 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6028 final int N = packageActivities.size(); 6029 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6030 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6031 6032 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6033 for (int i = 0; i < N; ++i) { 6034 intentFilters = packageActivities.get(i).intents; 6035 if (intentFilters != null && intentFilters.size() > 0) { 6036 PackageParser.ActivityIntentInfo[] array = 6037 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6038 intentFilters.toArray(array); 6039 listCut.add(array); 6040 } 6041 } 6042 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6043 } 6044 6045 public final void addActivity(PackageParser.Activity a, String type) { 6046 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6047 mActivities.put(a.getComponentName(), a); 6048 if (DEBUG_SHOW_INFO) 6049 Log.v( 6050 TAG, " " + type + " " + 6051 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6052 if (DEBUG_SHOW_INFO) 6053 Log.v(TAG, " Class=" + a.info.name); 6054 final int NI = a.intents.size(); 6055 for (int j=0; j<NI; j++) { 6056 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6057 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6058 intent.setPriority(0); 6059 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6060 + a.className + " with priority > 0, forcing to 0"); 6061 } 6062 if (DEBUG_SHOW_INFO) { 6063 Log.v(TAG, " IntentFilter:"); 6064 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6065 } 6066 if (!intent.debugCheck()) { 6067 Log.w(TAG, "==> For Activity " + a.info.name); 6068 } 6069 addFilter(intent); 6070 } 6071 } 6072 6073 public final void removeActivity(PackageParser.Activity a, String type) { 6074 mActivities.remove(a.getComponentName()); 6075 if (DEBUG_SHOW_INFO) { 6076 Log.v(TAG, " " + type + " " 6077 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6078 : a.info.name) + ":"); 6079 Log.v(TAG, " Class=" + a.info.name); 6080 } 6081 final int NI = a.intents.size(); 6082 for (int j=0; j<NI; j++) { 6083 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6084 if (DEBUG_SHOW_INFO) { 6085 Log.v(TAG, " IntentFilter:"); 6086 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6087 } 6088 removeFilter(intent); 6089 } 6090 } 6091 6092 @Override 6093 protected boolean allowFilterResult( 6094 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6095 ActivityInfo filterAi = filter.activity.info; 6096 for (int i=dest.size()-1; i>=0; i--) { 6097 ActivityInfo destAi = dest.get(i).activityInfo; 6098 if (destAi.name == filterAi.name 6099 && destAi.packageName == filterAi.packageName) { 6100 return false; 6101 } 6102 } 6103 return true; 6104 } 6105 6106 @Override 6107 protected ActivityIntentInfo[] newArray(int size) { 6108 return new ActivityIntentInfo[size]; 6109 } 6110 6111 @Override 6112 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6113 if (!sUserManager.exists(userId)) return true; 6114 PackageParser.Package p = filter.activity.owner; 6115 if (p != null) { 6116 PackageSetting ps = (PackageSetting)p.mExtras; 6117 if (ps != null) { 6118 // System apps are never considered stopped for purposes of 6119 // filtering, because there may be no way for the user to 6120 // actually re-launch them. 6121 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6122 && ps.getStopped(userId); 6123 } 6124 } 6125 return false; 6126 } 6127 6128 @Override 6129 protected boolean isPackageForFilter(String packageName, 6130 PackageParser.ActivityIntentInfo info) { 6131 return packageName.equals(info.activity.owner.packageName); 6132 } 6133 6134 @Override 6135 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6136 int match, int userId) { 6137 if (!sUserManager.exists(userId)) return null; 6138 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6139 return null; 6140 } 6141 final PackageParser.Activity activity = info.activity; 6142 if (mSafeMode && (activity.info.applicationInfo.flags 6143 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6144 return null; 6145 } 6146 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6147 if (ps == null) { 6148 return null; 6149 } 6150 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6151 ps.readUserState(userId), userId); 6152 if (ai == null) { 6153 return null; 6154 } 6155 final ResolveInfo res = new ResolveInfo(); 6156 res.activityInfo = ai; 6157 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6158 res.filter = info; 6159 } 6160 res.priority = info.getPriority(); 6161 res.preferredOrder = activity.owner.mPreferredOrder; 6162 //System.out.println("Result: " + res.activityInfo.className + 6163 // " = " + res.priority); 6164 res.match = match; 6165 res.isDefault = info.hasDefault; 6166 res.labelRes = info.labelRes; 6167 res.nonLocalizedLabel = info.nonLocalizedLabel; 6168 res.icon = info.icon; 6169 res.system = isSystemApp(res.activityInfo.applicationInfo); 6170 return res; 6171 } 6172 6173 @Override 6174 protected void sortResults(List<ResolveInfo> results) { 6175 Collections.sort(results, mResolvePrioritySorter); 6176 } 6177 6178 @Override 6179 protected void dumpFilter(PrintWriter out, String prefix, 6180 PackageParser.ActivityIntentInfo filter) { 6181 out.print(prefix); out.print( 6182 Integer.toHexString(System.identityHashCode(filter.activity))); 6183 out.print(' '); 6184 filter.activity.printComponentShortName(out); 6185 out.print(" filter "); 6186 out.println(Integer.toHexString(System.identityHashCode(filter))); 6187 } 6188 6189// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6190// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6191// final List<ResolveInfo> retList = Lists.newArrayList(); 6192// while (i.hasNext()) { 6193// final ResolveInfo resolveInfo = i.next(); 6194// if (isEnabledLP(resolveInfo.activityInfo)) { 6195// retList.add(resolveInfo); 6196// } 6197// } 6198// return retList; 6199// } 6200 6201 // Keys are String (activity class name), values are Activity. 6202 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6203 = new HashMap<ComponentName, PackageParser.Activity>(); 6204 private int mFlags; 6205 } 6206 6207 private final class ServiceIntentResolver 6208 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6209 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6210 boolean defaultOnly, int userId) { 6211 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6212 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6213 } 6214 6215 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6216 int userId) { 6217 if (!sUserManager.exists(userId)) return null; 6218 mFlags = flags; 6219 return super.queryIntent(intent, resolvedType, 6220 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6221 } 6222 6223 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6224 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6225 if (!sUserManager.exists(userId)) return null; 6226 if (packageServices == null) { 6227 return null; 6228 } 6229 mFlags = flags; 6230 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6231 final int N = packageServices.size(); 6232 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6233 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6234 6235 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6236 for (int i = 0; i < N; ++i) { 6237 intentFilters = packageServices.get(i).intents; 6238 if (intentFilters != null && intentFilters.size() > 0) { 6239 PackageParser.ServiceIntentInfo[] array = 6240 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6241 intentFilters.toArray(array); 6242 listCut.add(array); 6243 } 6244 } 6245 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6246 } 6247 6248 public final void addService(PackageParser.Service s) { 6249 mServices.put(s.getComponentName(), s); 6250 if (DEBUG_SHOW_INFO) { 6251 Log.v(TAG, " " 6252 + (s.info.nonLocalizedLabel != null 6253 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6254 Log.v(TAG, " Class=" + s.info.name); 6255 } 6256 final int NI = s.intents.size(); 6257 int j; 6258 for (j=0; j<NI; j++) { 6259 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6260 if (DEBUG_SHOW_INFO) { 6261 Log.v(TAG, " IntentFilter:"); 6262 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6263 } 6264 if (!intent.debugCheck()) { 6265 Log.w(TAG, "==> For Service " + s.info.name); 6266 } 6267 addFilter(intent); 6268 } 6269 } 6270 6271 public final void removeService(PackageParser.Service s) { 6272 mServices.remove(s.getComponentName()); 6273 if (DEBUG_SHOW_INFO) { 6274 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6275 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6276 Log.v(TAG, " Class=" + s.info.name); 6277 } 6278 final int NI = s.intents.size(); 6279 int j; 6280 for (j=0; j<NI; j++) { 6281 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6282 if (DEBUG_SHOW_INFO) { 6283 Log.v(TAG, " IntentFilter:"); 6284 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6285 } 6286 removeFilter(intent); 6287 } 6288 } 6289 6290 @Override 6291 protected boolean allowFilterResult( 6292 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6293 ServiceInfo filterSi = filter.service.info; 6294 for (int i=dest.size()-1; i>=0; i--) { 6295 ServiceInfo destAi = dest.get(i).serviceInfo; 6296 if (destAi.name == filterSi.name 6297 && destAi.packageName == filterSi.packageName) { 6298 return false; 6299 } 6300 } 6301 return true; 6302 } 6303 6304 @Override 6305 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6306 return new PackageParser.ServiceIntentInfo[size]; 6307 } 6308 6309 @Override 6310 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6311 if (!sUserManager.exists(userId)) return true; 6312 PackageParser.Package p = filter.service.owner; 6313 if (p != null) { 6314 PackageSetting ps = (PackageSetting)p.mExtras; 6315 if (ps != null) { 6316 // System apps are never considered stopped for purposes of 6317 // filtering, because there may be no way for the user to 6318 // actually re-launch them. 6319 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6320 && ps.getStopped(userId); 6321 } 6322 } 6323 return false; 6324 } 6325 6326 @Override 6327 protected boolean isPackageForFilter(String packageName, 6328 PackageParser.ServiceIntentInfo info) { 6329 return packageName.equals(info.service.owner.packageName); 6330 } 6331 6332 @Override 6333 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6334 int match, int userId) { 6335 if (!sUserManager.exists(userId)) return null; 6336 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6337 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6338 return null; 6339 } 6340 final PackageParser.Service service = info.service; 6341 if (mSafeMode && (service.info.applicationInfo.flags 6342 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6343 return null; 6344 } 6345 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6346 if (ps == null) { 6347 return null; 6348 } 6349 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6350 ps.readUserState(userId), userId); 6351 if (si == null) { 6352 return null; 6353 } 6354 final ResolveInfo res = new ResolveInfo(); 6355 res.serviceInfo = si; 6356 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6357 res.filter = filter; 6358 } 6359 res.priority = info.getPriority(); 6360 res.preferredOrder = service.owner.mPreferredOrder; 6361 //System.out.println("Result: " + res.activityInfo.className + 6362 // " = " + res.priority); 6363 res.match = match; 6364 res.isDefault = info.hasDefault; 6365 res.labelRes = info.labelRes; 6366 res.nonLocalizedLabel = info.nonLocalizedLabel; 6367 res.icon = info.icon; 6368 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6369 return res; 6370 } 6371 6372 @Override 6373 protected void sortResults(List<ResolveInfo> results) { 6374 Collections.sort(results, mResolvePrioritySorter); 6375 } 6376 6377 @Override 6378 protected void dumpFilter(PrintWriter out, String prefix, 6379 PackageParser.ServiceIntentInfo filter) { 6380 out.print(prefix); out.print( 6381 Integer.toHexString(System.identityHashCode(filter.service))); 6382 out.print(' '); 6383 filter.service.printComponentShortName(out); 6384 out.print(" filter "); 6385 out.println(Integer.toHexString(System.identityHashCode(filter))); 6386 } 6387 6388// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6389// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6390// final List<ResolveInfo> retList = Lists.newArrayList(); 6391// while (i.hasNext()) { 6392// final ResolveInfo resolveInfo = (ResolveInfo) i; 6393// if (isEnabledLP(resolveInfo.serviceInfo)) { 6394// retList.add(resolveInfo); 6395// } 6396// } 6397// return retList; 6398// } 6399 6400 // Keys are String (activity class name), values are Activity. 6401 private final HashMap<ComponentName, PackageParser.Service> mServices 6402 = new HashMap<ComponentName, PackageParser.Service>(); 6403 private int mFlags; 6404 }; 6405 6406 private final class ProviderIntentResolver 6407 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6408 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6409 boolean defaultOnly, int userId) { 6410 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6411 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6412 } 6413 6414 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6415 int userId) { 6416 if (!sUserManager.exists(userId)) 6417 return null; 6418 mFlags = flags; 6419 return super.queryIntent(intent, resolvedType, 6420 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6421 } 6422 6423 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6424 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6425 if (!sUserManager.exists(userId)) 6426 return null; 6427 if (packageProviders == null) { 6428 return null; 6429 } 6430 mFlags = flags; 6431 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6432 final int N = packageProviders.size(); 6433 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6434 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6435 6436 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6437 for (int i = 0; i < N; ++i) { 6438 intentFilters = packageProviders.get(i).intents; 6439 if (intentFilters != null && intentFilters.size() > 0) { 6440 PackageParser.ProviderIntentInfo[] array = 6441 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6442 intentFilters.toArray(array); 6443 listCut.add(array); 6444 } 6445 } 6446 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6447 } 6448 6449 public final void addProvider(PackageParser.Provider p) { 6450 mProviders.put(p.getComponentName(), p); 6451 if (DEBUG_SHOW_INFO) { 6452 Log.v(TAG, " " 6453 + (p.info.nonLocalizedLabel != null 6454 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6455 Log.v(TAG, " Class=" + p.info.name); 6456 } 6457 final int NI = p.intents.size(); 6458 int j; 6459 for (j = 0; j < NI; j++) { 6460 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6461 if (DEBUG_SHOW_INFO) { 6462 Log.v(TAG, " IntentFilter:"); 6463 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6464 } 6465 if (!intent.debugCheck()) { 6466 Log.w(TAG, "==> For Provider " + p.info.name); 6467 } 6468 addFilter(intent); 6469 } 6470 } 6471 6472 public final void removeProvider(PackageParser.Provider p) { 6473 mProviders.remove(p.getComponentName()); 6474 if (DEBUG_SHOW_INFO) { 6475 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6476 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6477 Log.v(TAG, " Class=" + p.info.name); 6478 } 6479 final int NI = p.intents.size(); 6480 int j; 6481 for (j = 0; j < NI; j++) { 6482 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6483 if (DEBUG_SHOW_INFO) { 6484 Log.v(TAG, " IntentFilter:"); 6485 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6486 } 6487 removeFilter(intent); 6488 } 6489 } 6490 6491 @Override 6492 protected boolean allowFilterResult( 6493 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6494 ProviderInfo filterPi = filter.provider.info; 6495 for (int i = dest.size() - 1; i >= 0; i--) { 6496 ProviderInfo destPi = dest.get(i).providerInfo; 6497 if (destPi.name == filterPi.name 6498 && destPi.packageName == filterPi.packageName) { 6499 return false; 6500 } 6501 } 6502 return true; 6503 } 6504 6505 @Override 6506 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6507 return new PackageParser.ProviderIntentInfo[size]; 6508 } 6509 6510 @Override 6511 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6512 if (!sUserManager.exists(userId)) 6513 return true; 6514 PackageParser.Package p = filter.provider.owner; 6515 if (p != null) { 6516 PackageSetting ps = (PackageSetting) p.mExtras; 6517 if (ps != null) { 6518 // System apps are never considered stopped for purposes of 6519 // filtering, because there may be no way for the user to 6520 // actually re-launch them. 6521 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6522 && ps.getStopped(userId); 6523 } 6524 } 6525 return false; 6526 } 6527 6528 @Override 6529 protected boolean isPackageForFilter(String packageName, 6530 PackageParser.ProviderIntentInfo info) { 6531 return packageName.equals(info.provider.owner.packageName); 6532 } 6533 6534 @Override 6535 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6536 int match, int userId) { 6537 if (!sUserManager.exists(userId)) 6538 return null; 6539 final PackageParser.ProviderIntentInfo info = filter; 6540 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6541 return null; 6542 } 6543 final PackageParser.Provider provider = info.provider; 6544 if (mSafeMode && (provider.info.applicationInfo.flags 6545 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6546 return null; 6547 } 6548 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6549 if (ps == null) { 6550 return null; 6551 } 6552 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6553 ps.readUserState(userId), userId); 6554 if (pi == null) { 6555 return null; 6556 } 6557 final ResolveInfo res = new ResolveInfo(); 6558 res.providerInfo = pi; 6559 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6560 res.filter = filter; 6561 } 6562 res.priority = info.getPriority(); 6563 res.preferredOrder = provider.owner.mPreferredOrder; 6564 res.match = match; 6565 res.isDefault = info.hasDefault; 6566 res.labelRes = info.labelRes; 6567 res.nonLocalizedLabel = info.nonLocalizedLabel; 6568 res.icon = info.icon; 6569 res.system = isSystemApp(res.providerInfo.applicationInfo); 6570 return res; 6571 } 6572 6573 @Override 6574 protected void sortResults(List<ResolveInfo> results) { 6575 Collections.sort(results, mResolvePrioritySorter); 6576 } 6577 6578 @Override 6579 protected void dumpFilter(PrintWriter out, String prefix, 6580 PackageParser.ProviderIntentInfo filter) { 6581 out.print(prefix); 6582 out.print( 6583 Integer.toHexString(System.identityHashCode(filter.provider))); 6584 out.print(' '); 6585 filter.provider.printComponentShortName(out); 6586 out.print(" filter "); 6587 out.println(Integer.toHexString(System.identityHashCode(filter))); 6588 } 6589 6590 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6591 = new HashMap<ComponentName, PackageParser.Provider>(); 6592 private int mFlags; 6593 }; 6594 6595 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6596 new Comparator<ResolveInfo>() { 6597 public int compare(ResolveInfo r1, ResolveInfo r2) { 6598 int v1 = r1.priority; 6599 int v2 = r2.priority; 6600 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6601 if (v1 != v2) { 6602 return (v1 > v2) ? -1 : 1; 6603 } 6604 v1 = r1.preferredOrder; 6605 v2 = r2.preferredOrder; 6606 if (v1 != v2) { 6607 return (v1 > v2) ? -1 : 1; 6608 } 6609 if (r1.isDefault != r2.isDefault) { 6610 return r1.isDefault ? -1 : 1; 6611 } 6612 v1 = r1.match; 6613 v2 = r2.match; 6614 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6615 if (v1 != v2) { 6616 return (v1 > v2) ? -1 : 1; 6617 } 6618 if (r1.system != r2.system) { 6619 return r1.system ? -1 : 1; 6620 } 6621 return 0; 6622 } 6623 }; 6624 6625 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6626 new Comparator<ProviderInfo>() { 6627 public int compare(ProviderInfo p1, ProviderInfo p2) { 6628 final int v1 = p1.initOrder; 6629 final int v2 = p2.initOrder; 6630 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6631 } 6632 }; 6633 6634 static final void sendPackageBroadcast(String action, String pkg, 6635 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6636 int[] userIds) { 6637 IActivityManager am = ActivityManagerNative.getDefault(); 6638 if (am != null) { 6639 try { 6640 if (userIds == null) { 6641 userIds = am.getRunningUserIds(); 6642 } 6643 for (int id : userIds) { 6644 final Intent intent = new Intent(action, 6645 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6646 if (extras != null) { 6647 intent.putExtras(extras); 6648 } 6649 if (targetPkg != null) { 6650 intent.setPackage(targetPkg); 6651 } 6652 // Modify the UID when posting to other users 6653 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6654 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6655 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6656 intent.putExtra(Intent.EXTRA_UID, uid); 6657 } 6658 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6659 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6660 if (DEBUG_BROADCASTS) { 6661 RuntimeException here = new RuntimeException("here"); 6662 here.fillInStackTrace(); 6663 Slog.d(TAG, "Sending to user " + id + ": " 6664 + intent.toShortString(false, true, false, false) 6665 + " " + intent.getExtras(), here); 6666 } 6667 am.broadcastIntent(null, intent, null, finishedReceiver, 6668 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6669 finishedReceiver != null, false, id); 6670 } 6671 } catch (RemoteException ex) { 6672 } 6673 } 6674 } 6675 6676 /** 6677 * Check if the external storage media is available. This is true if there 6678 * is a mounted external storage medium or if the external storage is 6679 * emulated. 6680 */ 6681 private boolean isExternalMediaAvailable() { 6682 return mMediaMounted || Environment.isExternalStorageEmulated(); 6683 } 6684 6685 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6686 // writer 6687 synchronized (mPackages) { 6688 if (!isExternalMediaAvailable()) { 6689 // If the external storage is no longer mounted at this point, 6690 // the caller may not have been able to delete all of this 6691 // packages files and can not delete any more. Bail. 6692 return null; 6693 } 6694 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6695 if (lastPackage != null) { 6696 pkgs.remove(lastPackage); 6697 } 6698 if (pkgs.size() > 0) { 6699 return pkgs.get(0); 6700 } 6701 } 6702 return null; 6703 } 6704 6705 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6706 if (false) { 6707 RuntimeException here = new RuntimeException("here"); 6708 here.fillInStackTrace(); 6709 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6710 + " andCode=" + andCode, here); 6711 } 6712 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6713 userId, andCode ? 1 : 0, packageName)); 6714 } 6715 6716 void startCleaningPackages() { 6717 // reader 6718 synchronized (mPackages) { 6719 if (!isExternalMediaAvailable()) { 6720 return; 6721 } 6722 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6723 return; 6724 } 6725 } 6726 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6727 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6728 IActivityManager am = ActivityManagerNative.getDefault(); 6729 if (am != null) { 6730 try { 6731 am.startService(null, intent, null, UserHandle.USER_OWNER); 6732 } catch (RemoteException e) { 6733 } 6734 } 6735 } 6736 6737 private final class AppDirObserver extends FileObserver { 6738 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6739 super(path, mask); 6740 mRootDir = path; 6741 mIsRom = isrom; 6742 mIsPrivileged = isPrivileged; 6743 } 6744 6745 public void onEvent(int event, String path) { 6746 String removedPackage = null; 6747 int removedAppId = -1; 6748 int[] removedUsers = null; 6749 String addedPackage = null; 6750 int addedAppId = -1; 6751 int[] addedUsers = null; 6752 6753 // TODO post a message to the handler to obtain serial ordering 6754 synchronized (mInstallLock) { 6755 String fullPathStr = null; 6756 File fullPath = null; 6757 if (path != null) { 6758 fullPath = new File(mRootDir, path); 6759 fullPathStr = fullPath.getPath(); 6760 } 6761 6762 if (DEBUG_APP_DIR_OBSERVER) 6763 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6764 6765 if (!isPackageFilename(path)) { 6766 if (DEBUG_APP_DIR_OBSERVER) 6767 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6768 return; 6769 } 6770 6771 // Ignore packages that are being installed or 6772 // have just been installed. 6773 if (ignoreCodePath(fullPathStr)) { 6774 return; 6775 } 6776 PackageParser.Package p = null; 6777 PackageSetting ps = null; 6778 // reader 6779 synchronized (mPackages) { 6780 p = mAppDirs.get(fullPathStr); 6781 if (p != null) { 6782 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6783 if (ps != null) { 6784 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6785 } else { 6786 removedUsers = sUserManager.getUserIds(); 6787 } 6788 } 6789 addedUsers = sUserManager.getUserIds(); 6790 } 6791 if ((event&REMOVE_EVENTS) != 0) { 6792 if (ps != null) { 6793 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6794 removePackageLI(ps, true); 6795 removedPackage = ps.name; 6796 removedAppId = ps.appId; 6797 } 6798 } 6799 6800 if ((event&ADD_EVENTS) != 0) { 6801 if (p == null) { 6802 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6803 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6804 if (mIsRom) { 6805 flags |= PackageParser.PARSE_IS_SYSTEM 6806 | PackageParser.PARSE_IS_SYSTEM_DIR; 6807 if (mIsPrivileged) { 6808 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6809 } 6810 } 6811 p = scanPackageLI(fullPath, flags, 6812 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6813 System.currentTimeMillis(), UserHandle.ALL); 6814 if (p != null) { 6815 /* 6816 * TODO this seems dangerous as the package may have 6817 * changed since we last acquired the mPackages 6818 * lock. 6819 */ 6820 // writer 6821 synchronized (mPackages) { 6822 updatePermissionsLPw(p.packageName, p, 6823 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6824 } 6825 addedPackage = p.applicationInfo.packageName; 6826 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6827 } 6828 } 6829 } 6830 6831 // reader 6832 synchronized (mPackages) { 6833 mSettings.writeLPr(); 6834 } 6835 } 6836 6837 if (removedPackage != null) { 6838 Bundle extras = new Bundle(1); 6839 extras.putInt(Intent.EXTRA_UID, removedAppId); 6840 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6841 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6842 extras, null, null, removedUsers); 6843 } 6844 if (addedPackage != null) { 6845 Bundle extras = new Bundle(1); 6846 extras.putInt(Intent.EXTRA_UID, addedAppId); 6847 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6848 extras, null, null, addedUsers); 6849 } 6850 } 6851 6852 private final String mRootDir; 6853 private final boolean mIsRom; 6854 private final boolean mIsPrivileged; 6855 } 6856 6857 /* Called when a downloaded package installation has been confirmed by the user */ 6858 public void installPackage( 6859 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6860 installPackage(packageURI, observer, flags, null); 6861 } 6862 6863 /* Called when a downloaded package installation has been confirmed by the user */ 6864 public void installPackage( 6865 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6866 final String installerPackageName) { 6867 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6868 null, null); 6869 } 6870 6871 @Override 6872 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6873 int flags, String installerPackageName, Uri verificationURI, 6874 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6875 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6876 VerificationParams.NO_UID, manifestDigest); 6877 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6878 installerPackageName, verificationParams, encryptionParams); 6879 } 6880 6881 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6882 IPackageInstallObserver observer, int flags, String installerPackageName, 6883 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6884 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6885 null); 6886 6887 final int uid = Binder.getCallingUid(); 6888 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6889 try { 6890 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6891 } catch (RemoteException re) { 6892 } 6893 return; 6894 } 6895 6896 UserHandle user; 6897 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6898 user = UserHandle.ALL; 6899 } else { 6900 user = new UserHandle(UserHandle.getUserId(uid)); 6901 } 6902 6903 final int filteredFlags; 6904 6905 if (uid == Process.SHELL_UID || uid == 0) { 6906 if (DEBUG_INSTALL) { 6907 Slog.v(TAG, "Install from ADB"); 6908 } 6909 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6910 } else { 6911 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6912 } 6913 6914 verificationParams.setInstallerUid(uid); 6915 6916 final Message msg = mHandler.obtainMessage(INIT_COPY); 6917 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6918 verificationParams, encryptionParams, user); 6919 mHandler.sendMessage(msg); 6920 } 6921 6922 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6923 Bundle extras = new Bundle(1); 6924 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6925 6926 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6927 packageName, extras, null, null, new int[] {userId}); 6928 try { 6929 IActivityManager am = ActivityManagerNative.getDefault(); 6930 final boolean isSystem = 6931 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6932 if (isSystem && am.isUserRunning(userId, false)) { 6933 // The just-installed/enabled app is bundled on the system, so presumed 6934 // to be able to run automatically without needing an explicit launch. 6935 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6936 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6937 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6938 .setPackage(packageName); 6939 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6940 android.app.AppOpsManager.OP_NONE, false, false, userId); 6941 } 6942 } catch (RemoteException e) { 6943 // shouldn't happen 6944 Slog.w(TAG, "Unable to bootstrap installed package", e); 6945 } 6946 } 6947 6948 @Override 6949 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6950 int userId) { 6951 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6952 PackageSetting pkgSetting; 6953 final int uid = Binder.getCallingUid(); 6954 if (UserHandle.getUserId(uid) != userId) { 6955 mContext.enforceCallingOrSelfPermission( 6956 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6957 "setApplicationBlockedSetting for user " + userId); 6958 } 6959 6960 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6961 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6962 return false; 6963 } 6964 6965 long callingId = Binder.clearCallingIdentity(); 6966 try { 6967 boolean sendAdded = false; 6968 boolean sendRemoved = false; 6969 // writer 6970 synchronized (mPackages) { 6971 pkgSetting = mSettings.mPackages.get(packageName); 6972 if (pkgSetting == null) { 6973 return false; 6974 } 6975 if (pkgSetting.getBlocked(userId) != blocked) { 6976 pkgSetting.setBlocked(blocked, userId); 6977 mSettings.writePackageRestrictionsLPr(userId); 6978 if (blocked) { 6979 sendRemoved = true; 6980 } else { 6981 sendAdded = true; 6982 } 6983 } 6984 } 6985 if (sendAdded) { 6986 sendPackageAddedForUser(packageName, pkgSetting, userId); 6987 return true; 6988 } 6989 if (sendRemoved) { 6990 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6991 "blocking pkg"); 6992 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6993 } 6994 } finally { 6995 Binder.restoreCallingIdentity(callingId); 6996 } 6997 return false; 6998 } 6999 7000 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7001 int userId) { 7002 final PackageRemovedInfo info = new PackageRemovedInfo(); 7003 info.removedPackage = packageName; 7004 info.removedUsers = new int[] {userId}; 7005 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7006 info.sendBroadcast(false, false, false); 7007 } 7008 7009 /** 7010 * Returns true if application is not found or there was an error. Otherwise it returns 7011 * the blocked state of the package for the given user. 7012 */ 7013 @Override 7014 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7015 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7016 PackageSetting pkgSetting; 7017 final int uid = Binder.getCallingUid(); 7018 if (UserHandle.getUserId(uid) != userId) { 7019 mContext.enforceCallingPermission( 7020 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7021 "getApplicationBlocked for user " + userId); 7022 } 7023 long callingId = Binder.clearCallingIdentity(); 7024 try { 7025 // writer 7026 synchronized (mPackages) { 7027 pkgSetting = mSettings.mPackages.get(packageName); 7028 if (pkgSetting == null) { 7029 return true; 7030 } 7031 return pkgSetting.getBlocked(userId); 7032 } 7033 } finally { 7034 Binder.restoreCallingIdentity(callingId); 7035 } 7036 } 7037 7038 /** 7039 * @hide 7040 */ 7041 @Override 7042 public int installExistingPackageAsUser(String packageName, int userId) { 7043 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7044 null); 7045 PackageSetting pkgSetting; 7046 final int uid = Binder.getCallingUid(); 7047 if (UserHandle.getUserId(uid) != userId) { 7048 mContext.enforceCallingPermission( 7049 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7050 "installExistingPackage for user " + userId); 7051 } 7052 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7053 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7054 } 7055 7056 long callingId = Binder.clearCallingIdentity(); 7057 try { 7058 boolean sendAdded = false; 7059 Bundle extras = new Bundle(1); 7060 7061 // writer 7062 synchronized (mPackages) { 7063 pkgSetting = mSettings.mPackages.get(packageName); 7064 if (pkgSetting == null) { 7065 return PackageManager.INSTALL_FAILED_INVALID_URI; 7066 } 7067 if (!pkgSetting.getInstalled(userId)) { 7068 pkgSetting.setInstalled(true, userId); 7069 pkgSetting.setBlocked(false, userId); 7070 mSettings.writePackageRestrictionsLPr(userId); 7071 sendAdded = true; 7072 } 7073 } 7074 7075 if (sendAdded) { 7076 sendPackageAddedForUser(packageName, pkgSetting, userId); 7077 } 7078 } finally { 7079 Binder.restoreCallingIdentity(callingId); 7080 } 7081 7082 return PackageManager.INSTALL_SUCCEEDED; 7083 } 7084 7085 private boolean isUserRestricted(int userId, String restrictionKey) { 7086 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7087 if (restrictions.getBoolean(restrictionKey, false)) { 7088 Log.w(TAG, "User is restricted: " + restrictionKey); 7089 return true; 7090 } 7091 return false; 7092 } 7093 7094 @Override 7095 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7096 mContext.enforceCallingOrSelfPermission( 7097 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7098 "Only package verification agents can verify applications"); 7099 7100 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7101 final PackageVerificationResponse response = new PackageVerificationResponse( 7102 verificationCode, Binder.getCallingUid()); 7103 msg.arg1 = id; 7104 msg.obj = response; 7105 mHandler.sendMessage(msg); 7106 } 7107 7108 @Override 7109 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7110 long millisecondsToDelay) { 7111 mContext.enforceCallingOrSelfPermission( 7112 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7113 "Only package verification agents can extend verification timeouts"); 7114 7115 final PackageVerificationState state = mPendingVerification.get(id); 7116 final PackageVerificationResponse response = new PackageVerificationResponse( 7117 verificationCodeAtTimeout, Binder.getCallingUid()); 7118 7119 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7120 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7121 } 7122 if (millisecondsToDelay < 0) { 7123 millisecondsToDelay = 0; 7124 } 7125 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7126 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7127 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7128 } 7129 7130 if ((state != null) && !state.timeoutExtended()) { 7131 state.extendTimeout(); 7132 7133 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7134 msg.arg1 = id; 7135 msg.obj = response; 7136 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7137 } 7138 } 7139 7140 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7141 int verificationCode, UserHandle user) { 7142 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7143 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7144 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7145 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7146 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7147 7148 mContext.sendBroadcastAsUser(intent, user, 7149 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7150 } 7151 7152 private ComponentName matchComponentForVerifier(String packageName, 7153 List<ResolveInfo> receivers) { 7154 ActivityInfo targetReceiver = null; 7155 7156 final int NR = receivers.size(); 7157 for (int i = 0; i < NR; i++) { 7158 final ResolveInfo info = receivers.get(i); 7159 if (info.activityInfo == null) { 7160 continue; 7161 } 7162 7163 if (packageName.equals(info.activityInfo.packageName)) { 7164 targetReceiver = info.activityInfo; 7165 break; 7166 } 7167 } 7168 7169 if (targetReceiver == null) { 7170 return null; 7171 } 7172 7173 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7174 } 7175 7176 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7177 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7178 if (pkgInfo.verifiers.length == 0) { 7179 return null; 7180 } 7181 7182 final int N = pkgInfo.verifiers.length; 7183 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7184 for (int i = 0; i < N; i++) { 7185 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7186 7187 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7188 receivers); 7189 if (comp == null) { 7190 continue; 7191 } 7192 7193 final int verifierUid = getUidForVerifier(verifierInfo); 7194 if (verifierUid == -1) { 7195 continue; 7196 } 7197 7198 if (DEBUG_VERIFY) { 7199 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7200 + " with the correct signature"); 7201 } 7202 sufficientVerifiers.add(comp); 7203 verificationState.addSufficientVerifier(verifierUid); 7204 } 7205 7206 return sufficientVerifiers; 7207 } 7208 7209 private int getUidForVerifier(VerifierInfo verifierInfo) { 7210 synchronized (mPackages) { 7211 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7212 if (pkg == null) { 7213 return -1; 7214 } else if (pkg.mSignatures.length != 1) { 7215 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7216 + " has more than one signature; ignoring"); 7217 return -1; 7218 } 7219 7220 /* 7221 * If the public key of the package's signature does not match 7222 * our expected public key, then this is a different package and 7223 * we should skip. 7224 */ 7225 7226 final byte[] expectedPublicKey; 7227 try { 7228 final Signature verifierSig = pkg.mSignatures[0]; 7229 final PublicKey publicKey = verifierSig.getPublicKey(); 7230 expectedPublicKey = publicKey.getEncoded(); 7231 } catch (CertificateException e) { 7232 return -1; 7233 } 7234 7235 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7236 7237 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7238 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7239 + " does not have the expected public key; ignoring"); 7240 return -1; 7241 } 7242 7243 return pkg.applicationInfo.uid; 7244 } 7245 } 7246 7247 public void finishPackageInstall(int token) { 7248 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7249 7250 if (DEBUG_INSTALL) { 7251 Slog.v(TAG, "BM finishing package install for " + token); 7252 } 7253 7254 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7255 mHandler.sendMessage(msg); 7256 } 7257 7258 /** 7259 * Get the verification agent timeout. 7260 * 7261 * @return verification timeout in milliseconds 7262 */ 7263 private long getVerificationTimeout() { 7264 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7265 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7266 DEFAULT_VERIFICATION_TIMEOUT); 7267 } 7268 7269 /** 7270 * Get the default verification agent response code. 7271 * 7272 * @return default verification response code 7273 */ 7274 private int getDefaultVerificationResponse() { 7275 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7276 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7277 DEFAULT_VERIFICATION_RESPONSE); 7278 } 7279 7280 /** 7281 * Check whether or not package verification has been enabled. 7282 * 7283 * @return true if verification should be performed 7284 */ 7285 private boolean isVerificationEnabled(int flags) { 7286 if (!DEFAULT_VERIFY_ENABLE) { 7287 return false; 7288 } 7289 7290 // Check if installing from ADB 7291 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7292 // Do not run verification in a test harness environment 7293 if (ActivityManager.isRunningInTestHarness()) { 7294 return false; 7295 } 7296 // Check if the developer does not want package verification for ADB installs 7297 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7298 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7299 return false; 7300 } 7301 } 7302 7303 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7304 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7305 } 7306 7307 /** 7308 * Get the "allow unknown sources" setting. 7309 * 7310 * @return the current "allow unknown sources" setting 7311 */ 7312 private int getUnknownSourcesSettings() { 7313 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7314 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7315 -1); 7316 } 7317 7318 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7319 final int uid = Binder.getCallingUid(); 7320 // writer 7321 synchronized (mPackages) { 7322 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7323 if (targetPackageSetting == null) { 7324 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7325 } 7326 7327 PackageSetting installerPackageSetting; 7328 if (installerPackageName != null) { 7329 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7330 if (installerPackageSetting == null) { 7331 throw new IllegalArgumentException("Unknown installer package: " 7332 + installerPackageName); 7333 } 7334 } else { 7335 installerPackageSetting = null; 7336 } 7337 7338 Signature[] callerSignature; 7339 Object obj = mSettings.getUserIdLPr(uid); 7340 if (obj != null) { 7341 if (obj instanceof SharedUserSetting) { 7342 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7343 } else if (obj instanceof PackageSetting) { 7344 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7345 } else { 7346 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7347 } 7348 } else { 7349 throw new SecurityException("Unknown calling uid " + uid); 7350 } 7351 7352 // Verify: can't set installerPackageName to a package that is 7353 // not signed with the same cert as the caller. 7354 if (installerPackageSetting != null) { 7355 if (compareSignatures(callerSignature, 7356 installerPackageSetting.signatures.mSignatures) 7357 != PackageManager.SIGNATURE_MATCH) { 7358 throw new SecurityException( 7359 "Caller does not have same cert as new installer package " 7360 + installerPackageName); 7361 } 7362 } 7363 7364 // Verify: if target already has an installer package, it must 7365 // be signed with the same cert as the caller. 7366 if (targetPackageSetting.installerPackageName != null) { 7367 PackageSetting setting = mSettings.mPackages.get( 7368 targetPackageSetting.installerPackageName); 7369 // If the currently set package isn't valid, then it's always 7370 // okay to change it. 7371 if (setting != null) { 7372 if (compareSignatures(callerSignature, 7373 setting.signatures.mSignatures) 7374 != PackageManager.SIGNATURE_MATCH) { 7375 throw new SecurityException( 7376 "Caller does not have same cert as old installer package " 7377 + targetPackageSetting.installerPackageName); 7378 } 7379 } 7380 } 7381 7382 // Okay! 7383 targetPackageSetting.installerPackageName = installerPackageName; 7384 scheduleWriteSettingsLocked(); 7385 } 7386 } 7387 7388 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7389 // Queue up an async operation since the package installation may take a little while. 7390 mHandler.post(new Runnable() { 7391 public void run() { 7392 mHandler.removeCallbacks(this); 7393 // Result object to be returned 7394 PackageInstalledInfo res = new PackageInstalledInfo(); 7395 res.returnCode = currentStatus; 7396 res.uid = -1; 7397 res.pkg = null; 7398 res.removedInfo = new PackageRemovedInfo(); 7399 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7400 args.doPreInstall(res.returnCode); 7401 synchronized (mInstallLock) { 7402 installPackageLI(args, true, res); 7403 } 7404 args.doPostInstall(res.returnCode, res.uid); 7405 } 7406 7407 // A restore should be performed at this point if (a) the install 7408 // succeeded, (b) the operation is not an update, and (c) the new 7409 // package has a backupAgent defined. 7410 final boolean update = res.removedInfo.removedPackage != null; 7411 boolean doRestore = (!update 7412 && res.pkg != null 7413 && res.pkg.applicationInfo.backupAgentName != null); 7414 7415 // Set up the post-install work request bookkeeping. This will be used 7416 // and cleaned up by the post-install event handling regardless of whether 7417 // there's a restore pass performed. Token values are >= 1. 7418 int token; 7419 if (mNextInstallToken < 0) mNextInstallToken = 1; 7420 token = mNextInstallToken++; 7421 7422 PostInstallData data = new PostInstallData(args, res); 7423 mRunningInstalls.put(token, data); 7424 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7425 7426 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7427 // Pass responsibility to the Backup Manager. It will perform a 7428 // restore if appropriate, then pass responsibility back to the 7429 // Package Manager to run the post-install observer callbacks 7430 // and broadcasts. 7431 IBackupManager bm = IBackupManager.Stub.asInterface( 7432 ServiceManager.getService(Context.BACKUP_SERVICE)); 7433 if (bm != null) { 7434 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7435 + " to BM for possible restore"); 7436 try { 7437 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7438 } catch (RemoteException e) { 7439 // can't happen; the backup manager is local 7440 } catch (Exception e) { 7441 Slog.e(TAG, "Exception trying to enqueue restore", e); 7442 doRestore = false; 7443 } 7444 } else { 7445 Slog.e(TAG, "Backup Manager not found!"); 7446 doRestore = false; 7447 } 7448 } 7449 7450 if (!doRestore) { 7451 // No restore possible, or the Backup Manager was mysteriously not 7452 // available -- just fire the post-install work request directly. 7453 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7454 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7455 mHandler.sendMessage(msg); 7456 } 7457 } 7458 }); 7459 } 7460 7461 private abstract class HandlerParams { 7462 private static final int MAX_RETRIES = 4; 7463 7464 /** 7465 * Number of times startCopy() has been attempted and had a non-fatal 7466 * error. 7467 */ 7468 private int mRetries = 0; 7469 7470 /** User handle for the user requesting the information or installation. */ 7471 private final UserHandle mUser; 7472 7473 HandlerParams(UserHandle user) { 7474 mUser = user; 7475 } 7476 7477 UserHandle getUser() { 7478 return mUser; 7479 } 7480 7481 final boolean startCopy() { 7482 boolean res; 7483 try { 7484 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7485 7486 if (++mRetries > MAX_RETRIES) { 7487 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7488 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7489 handleServiceError(); 7490 return false; 7491 } else { 7492 handleStartCopy(); 7493 res = true; 7494 } 7495 } catch (RemoteException e) { 7496 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7497 mHandler.sendEmptyMessage(MCS_RECONNECT); 7498 res = false; 7499 } 7500 handleReturnCode(); 7501 return res; 7502 } 7503 7504 final void serviceError() { 7505 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7506 handleServiceError(); 7507 handleReturnCode(); 7508 } 7509 7510 abstract void handleStartCopy() throws RemoteException; 7511 abstract void handleServiceError(); 7512 abstract void handleReturnCode(); 7513 } 7514 7515 class MeasureParams extends HandlerParams { 7516 private final PackageStats mStats; 7517 private boolean mSuccess; 7518 7519 private final IPackageStatsObserver mObserver; 7520 7521 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7522 super(new UserHandle(stats.userHandle)); 7523 mObserver = observer; 7524 mStats = stats; 7525 } 7526 7527 @Override 7528 public String toString() { 7529 return "MeasureParams{" 7530 + Integer.toHexString(System.identityHashCode(this)) 7531 + " " + mStats.packageName + "}"; 7532 } 7533 7534 @Override 7535 void handleStartCopy() throws RemoteException { 7536 synchronized (mInstallLock) { 7537 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7538 } 7539 7540 final boolean mounted; 7541 if (Environment.isExternalStorageEmulated()) { 7542 mounted = true; 7543 } else { 7544 final String status = Environment.getExternalStorageState(); 7545 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7546 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7547 } 7548 7549 if (mounted) { 7550 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7551 7552 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7553 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7554 7555 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7556 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7557 7558 // Always subtract cache size, since it's a subdirectory 7559 mStats.externalDataSize -= mStats.externalCacheSize; 7560 7561 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7562 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7563 7564 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7565 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7566 } 7567 } 7568 7569 @Override 7570 void handleReturnCode() { 7571 if (mObserver != null) { 7572 try { 7573 mObserver.onGetStatsCompleted(mStats, mSuccess); 7574 } catch (RemoteException e) { 7575 Slog.i(TAG, "Observer no longer exists."); 7576 } 7577 } 7578 } 7579 7580 @Override 7581 void handleServiceError() { 7582 Slog.e(TAG, "Could not measure application " + mStats.packageName 7583 + " external storage"); 7584 } 7585 } 7586 7587 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7588 throws RemoteException { 7589 long result = 0; 7590 for (File path : paths) { 7591 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7592 } 7593 return result; 7594 } 7595 7596 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7597 for (File path : paths) { 7598 try { 7599 mcs.clearDirectory(path.getAbsolutePath()); 7600 } catch (RemoteException e) { 7601 } 7602 } 7603 } 7604 7605 class InstallParams extends HandlerParams { 7606 final IPackageInstallObserver observer; 7607 int flags; 7608 7609 private final Uri mPackageURI; 7610 final String installerPackageName; 7611 final VerificationParams verificationParams; 7612 private InstallArgs mArgs; 7613 private int mRet; 7614 private File mTempPackage; 7615 final ContainerEncryptionParams encryptionParams; 7616 7617 InstallParams(Uri packageURI, 7618 IPackageInstallObserver observer, int flags, 7619 String installerPackageName, VerificationParams verificationParams, 7620 ContainerEncryptionParams encryptionParams, UserHandle user) { 7621 super(user); 7622 this.mPackageURI = packageURI; 7623 this.flags = flags; 7624 this.observer = observer; 7625 this.installerPackageName = installerPackageName; 7626 this.verificationParams = verificationParams; 7627 this.encryptionParams = encryptionParams; 7628 } 7629 7630 @Override 7631 public String toString() { 7632 return "InstallParams{" 7633 + Integer.toHexString(System.identityHashCode(this)) 7634 + " " + mPackageURI + "}"; 7635 } 7636 7637 public ManifestDigest getManifestDigest() { 7638 if (verificationParams == null) { 7639 return null; 7640 } 7641 return verificationParams.getManifestDigest(); 7642 } 7643 7644 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7645 String packageName = pkgLite.packageName; 7646 int installLocation = pkgLite.installLocation; 7647 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7648 // reader 7649 synchronized (mPackages) { 7650 PackageParser.Package pkg = mPackages.get(packageName); 7651 if (pkg != null) { 7652 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7653 // Check for downgrading. 7654 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7655 if (pkgLite.versionCode < pkg.mVersionCode) { 7656 Slog.w(TAG, "Can't install update of " + packageName 7657 + " update version " + pkgLite.versionCode 7658 + " is older than installed version " 7659 + pkg.mVersionCode); 7660 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7661 } 7662 } 7663 // Check for updated system application. 7664 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7665 if (onSd) { 7666 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7667 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7668 } 7669 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7670 } else { 7671 if (onSd) { 7672 // Install flag overrides everything. 7673 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7674 } 7675 // If current upgrade specifies particular preference 7676 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7677 // Application explicitly specified internal. 7678 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7679 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7680 // App explictly prefers external. Let policy decide 7681 } else { 7682 // Prefer previous location 7683 if (isExternal(pkg)) { 7684 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7685 } 7686 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7687 } 7688 } 7689 } else { 7690 // Invalid install. Return error code 7691 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7692 } 7693 } 7694 } 7695 // All the special cases have been taken care of. 7696 // Return result based on recommended install location. 7697 if (onSd) { 7698 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7699 } 7700 return pkgLite.recommendedInstallLocation; 7701 } 7702 7703 private long getMemoryLowThreshold() { 7704 final DeviceStorageMonitorInternal 7705 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7706 if (dsm == null) { 7707 return 0L; 7708 } 7709 return dsm.getMemoryLowThreshold(); 7710 } 7711 7712 /* 7713 * Invoke remote method to get package information and install 7714 * location values. Override install location based on default 7715 * policy if needed and then create install arguments based 7716 * on the install location. 7717 */ 7718 public void handleStartCopy() throws RemoteException { 7719 int ret = PackageManager.INSTALL_SUCCEEDED; 7720 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7721 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7722 PackageInfoLite pkgLite = null; 7723 7724 if (onInt && onSd) { 7725 // Check if both bits are set. 7726 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7727 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7728 } else { 7729 final long lowThreshold = getMemoryLowThreshold(); 7730 if (lowThreshold == 0L) { 7731 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7732 } 7733 7734 try { 7735 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7736 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7737 7738 final File packageFile; 7739 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7740 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7741 if (mTempPackage != null) { 7742 ParcelFileDescriptor out; 7743 try { 7744 out = ParcelFileDescriptor.open(mTempPackage, 7745 ParcelFileDescriptor.MODE_READ_WRITE); 7746 } catch (FileNotFoundException e) { 7747 out = null; 7748 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7749 } 7750 7751 // Make a temporary file for decryption. 7752 ret = mContainerService 7753 .copyResource(mPackageURI, encryptionParams, out); 7754 IoUtils.closeQuietly(out); 7755 7756 packageFile = mTempPackage; 7757 7758 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7759 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7760 | FileUtils.S_IROTH, 7761 -1, -1); 7762 } else { 7763 packageFile = null; 7764 } 7765 } else { 7766 packageFile = new File(mPackageURI.getPath()); 7767 } 7768 7769 if (packageFile != null) { 7770 // Remote call to find out default install location 7771 final String packageFilePath = packageFile.getAbsolutePath(); 7772 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7773 lowThreshold); 7774 7775 /* 7776 * If we have too little free space, try to free cache 7777 * before giving up. 7778 */ 7779 if (pkgLite.recommendedInstallLocation 7780 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7781 final long size = mContainerService.calculateInstalledSize( 7782 packageFilePath, isForwardLocked()); 7783 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7784 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7785 flags, lowThreshold); 7786 } 7787 /* 7788 * The cache free must have deleted the file we 7789 * downloaded to install. 7790 * 7791 * TODO: fix the "freeCache" call to not delete 7792 * the file we care about. 7793 */ 7794 if (pkgLite.recommendedInstallLocation 7795 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7796 pkgLite.recommendedInstallLocation 7797 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7798 } 7799 } 7800 } 7801 } finally { 7802 mContext.revokeUriPermission(mPackageURI, 7803 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7804 } 7805 } 7806 7807 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7808 int loc = pkgLite.recommendedInstallLocation; 7809 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7810 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7811 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7812 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7813 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7814 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7815 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7816 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7817 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7818 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7819 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7820 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7821 } else { 7822 // Override with defaults if needed. 7823 loc = installLocationPolicy(pkgLite, flags); 7824 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7825 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7826 } else if (!onSd && !onInt) { 7827 // Override install location with flags 7828 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7829 // Set the flag to install on external media. 7830 flags |= PackageManager.INSTALL_EXTERNAL; 7831 flags &= ~PackageManager.INSTALL_INTERNAL; 7832 } else { 7833 // Make sure the flag for installing on external 7834 // media is unset 7835 flags |= PackageManager.INSTALL_INTERNAL; 7836 flags &= ~PackageManager.INSTALL_EXTERNAL; 7837 } 7838 } 7839 } 7840 } 7841 7842 final InstallArgs args = createInstallArgs(this); 7843 mArgs = args; 7844 7845 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7846 /* 7847 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7848 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7849 */ 7850 int userIdentifier = getUser().getIdentifier(); 7851 if (userIdentifier == UserHandle.USER_ALL 7852 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7853 userIdentifier = UserHandle.USER_OWNER; 7854 } 7855 7856 /* 7857 * Determine if we have any installed package verifiers. If we 7858 * do, then we'll defer to them to verify the packages. 7859 */ 7860 final int requiredUid = mRequiredVerifierPackage == null ? -1 7861 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7862 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7863 final Intent verification = new Intent( 7864 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7865 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7866 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7867 7868 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7869 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7870 0 /* TODO: Which userId? */); 7871 7872 if (DEBUG_VERIFY) { 7873 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7874 + verification.toString() + " with " + pkgLite.verifiers.length 7875 + " optional verifiers"); 7876 } 7877 7878 final int verificationId = mPendingVerificationToken++; 7879 7880 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7881 7882 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7883 installerPackageName); 7884 7885 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7886 7887 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7888 pkgLite.packageName); 7889 7890 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7891 pkgLite.versionCode); 7892 7893 if (verificationParams != null) { 7894 if (verificationParams.getVerificationURI() != null) { 7895 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7896 verificationParams.getVerificationURI()); 7897 } 7898 if (verificationParams.getOriginatingURI() != null) { 7899 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7900 verificationParams.getOriginatingURI()); 7901 } 7902 if (verificationParams.getReferrer() != null) { 7903 verification.putExtra(Intent.EXTRA_REFERRER, 7904 verificationParams.getReferrer()); 7905 } 7906 if (verificationParams.getOriginatingUid() >= 0) { 7907 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7908 verificationParams.getOriginatingUid()); 7909 } 7910 if (verificationParams.getInstallerUid() >= 0) { 7911 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7912 verificationParams.getInstallerUid()); 7913 } 7914 } 7915 7916 final PackageVerificationState verificationState = new PackageVerificationState( 7917 requiredUid, args); 7918 7919 mPendingVerification.append(verificationId, verificationState); 7920 7921 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7922 receivers, verificationState); 7923 7924 /* 7925 * If any sufficient verifiers were listed in the package 7926 * manifest, attempt to ask them. 7927 */ 7928 if (sufficientVerifiers != null) { 7929 final int N = sufficientVerifiers.size(); 7930 if (N == 0) { 7931 Slog.i(TAG, "Additional verifiers required, but none installed."); 7932 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7933 } else { 7934 for (int i = 0; i < N; i++) { 7935 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7936 7937 final Intent sufficientIntent = new Intent(verification); 7938 sufficientIntent.setComponent(verifierComponent); 7939 7940 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7941 } 7942 } 7943 } 7944 7945 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7946 mRequiredVerifierPackage, receivers); 7947 if (ret == PackageManager.INSTALL_SUCCEEDED 7948 && mRequiredVerifierPackage != null) { 7949 /* 7950 * Send the intent to the required verification agent, 7951 * but only start the verification timeout after the 7952 * target BroadcastReceivers have run. 7953 */ 7954 verification.setComponent(requiredVerifierComponent); 7955 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7956 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7957 new BroadcastReceiver() { 7958 @Override 7959 public void onReceive(Context context, Intent intent) { 7960 final Message msg = mHandler 7961 .obtainMessage(CHECK_PENDING_VERIFICATION); 7962 msg.arg1 = verificationId; 7963 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7964 } 7965 }, null, 0, null, null); 7966 7967 /* 7968 * We don't want the copy to proceed until verification 7969 * succeeds, so null out this field. 7970 */ 7971 mArgs = null; 7972 } 7973 } else { 7974 /* 7975 * No package verification is enabled, so immediately start 7976 * the remote call to initiate copy using temporary file. 7977 */ 7978 ret = args.copyApk(mContainerService, true); 7979 } 7980 } 7981 7982 mRet = ret; 7983 } 7984 7985 @Override 7986 void handleReturnCode() { 7987 // If mArgs is null, then MCS couldn't be reached. When it 7988 // reconnects, it will try again to install. At that point, this 7989 // will succeed. 7990 if (mArgs != null) { 7991 processPendingInstall(mArgs, mRet); 7992 7993 if (mTempPackage != null) { 7994 if (!mTempPackage.delete()) { 7995 Slog.w(TAG, "Couldn't delete temporary file: " + 7996 mTempPackage.getAbsolutePath()); 7997 } 7998 } 7999 } 8000 } 8001 8002 @Override 8003 void handleServiceError() { 8004 mArgs = createInstallArgs(this); 8005 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8006 } 8007 8008 public boolean isForwardLocked() { 8009 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8010 } 8011 8012 public Uri getPackageUri() { 8013 if (mTempPackage != null) { 8014 return Uri.fromFile(mTempPackage); 8015 } else { 8016 return mPackageURI; 8017 } 8018 } 8019 } 8020 8021 /* 8022 * Utility class used in movePackage api. 8023 * srcArgs and targetArgs are not set for invalid flags and make 8024 * sure to do null checks when invoking methods on them. 8025 * We probably want to return ErrorPrams for both failed installs 8026 * and moves. 8027 */ 8028 class MoveParams extends HandlerParams { 8029 final IPackageMoveObserver observer; 8030 final int flags; 8031 final String packageName; 8032 final InstallArgs srcArgs; 8033 final InstallArgs targetArgs; 8034 int uid; 8035 int mRet; 8036 8037 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8038 String packageName, String dataDir, String instructionSet, 8039 int uid, UserHandle user) { 8040 super(user); 8041 this.srcArgs = srcArgs; 8042 this.observer = observer; 8043 this.flags = flags; 8044 this.packageName = packageName; 8045 this.uid = uid; 8046 if (srcArgs != null) { 8047 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8048 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8049 } else { 8050 targetArgs = null; 8051 } 8052 } 8053 8054 @Override 8055 public String toString() { 8056 return "MoveParams{" 8057 + Integer.toHexString(System.identityHashCode(this)) 8058 + " " + packageName + "}"; 8059 } 8060 8061 public void handleStartCopy() throws RemoteException { 8062 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8063 // Check for storage space on target medium 8064 if (!targetArgs.checkFreeStorage(mContainerService)) { 8065 Log.w(TAG, "Insufficient storage to install"); 8066 return; 8067 } 8068 8069 mRet = srcArgs.doPreCopy(); 8070 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8071 return; 8072 } 8073 8074 mRet = targetArgs.copyApk(mContainerService, false); 8075 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8076 srcArgs.doPostCopy(uid); 8077 return; 8078 } 8079 8080 mRet = srcArgs.doPostCopy(uid); 8081 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8082 return; 8083 } 8084 8085 mRet = targetArgs.doPreInstall(mRet); 8086 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8087 return; 8088 } 8089 8090 if (DEBUG_SD_INSTALL) { 8091 StringBuilder builder = new StringBuilder(); 8092 if (srcArgs != null) { 8093 builder.append("src: "); 8094 builder.append(srcArgs.getCodePath()); 8095 } 8096 if (targetArgs != null) { 8097 builder.append(" target : "); 8098 builder.append(targetArgs.getCodePath()); 8099 } 8100 Log.i(TAG, builder.toString()); 8101 } 8102 } 8103 8104 @Override 8105 void handleReturnCode() { 8106 targetArgs.doPostInstall(mRet, uid); 8107 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8108 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8109 currentStatus = PackageManager.MOVE_SUCCEEDED; 8110 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8111 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8112 } 8113 processPendingMove(this, currentStatus); 8114 } 8115 8116 @Override 8117 void handleServiceError() { 8118 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8119 } 8120 } 8121 8122 /** 8123 * Used during creation of InstallArgs 8124 * 8125 * @param flags package installation flags 8126 * @return true if should be installed on external storage 8127 */ 8128 private static boolean installOnSd(int flags) { 8129 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8130 return false; 8131 } 8132 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8133 return true; 8134 } 8135 return false; 8136 } 8137 8138 /** 8139 * Used during creation of InstallArgs 8140 * 8141 * @param flags package installation flags 8142 * @return true if should be installed as forward locked 8143 */ 8144 private static boolean installForwardLocked(int flags) { 8145 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8146 } 8147 8148 private InstallArgs createInstallArgs(InstallParams params) { 8149 if (installOnSd(params.flags) || params.isForwardLocked()) { 8150 return new AsecInstallArgs(params); 8151 } else { 8152 return new FileInstallArgs(params); 8153 } 8154 } 8155 8156 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8157 String nativeLibraryPath, String instructionSet) { 8158 final boolean isInAsec; 8159 if (installOnSd(flags)) { 8160 /* Apps on SD card are always in ASEC containers. */ 8161 isInAsec = true; 8162 } else if (installForwardLocked(flags) 8163 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8164 /* 8165 * Forward-locked apps are only in ASEC containers if they're the 8166 * new style 8167 */ 8168 isInAsec = true; 8169 } else { 8170 isInAsec = false; 8171 } 8172 8173 if (isInAsec) { 8174 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8175 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8176 } else { 8177 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8178 instructionSet); 8179 } 8180 } 8181 8182 // Used by package mover 8183 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8184 String instructionSet) { 8185 if (installOnSd(flags) || installForwardLocked(flags)) { 8186 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8187 + AsecInstallArgs.RES_FILE_NAME); 8188 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8189 installForwardLocked(flags)); 8190 } else { 8191 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8192 } 8193 } 8194 8195 static abstract class InstallArgs { 8196 final IPackageInstallObserver observer; 8197 // Always refers to PackageManager flags only 8198 final int flags; 8199 final Uri packageURI; 8200 final String installerPackageName; 8201 final ManifestDigest manifestDigest; 8202 final UserHandle user; 8203 final String instructionSet; 8204 8205 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8206 String installerPackageName, ManifestDigest manifestDigest, 8207 UserHandle user, String instructionSet) { 8208 this.packageURI = packageURI; 8209 this.flags = flags; 8210 this.observer = observer; 8211 this.installerPackageName = installerPackageName; 8212 this.manifestDigest = manifestDigest; 8213 this.user = user; 8214 this.instructionSet = instructionSet; 8215 } 8216 8217 abstract void createCopyFile(); 8218 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8219 abstract int doPreInstall(int status); 8220 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8221 8222 abstract int doPostInstall(int status, int uid); 8223 abstract String getCodePath(); 8224 abstract String getResourcePath(); 8225 abstract String getNativeLibraryPath(); 8226 // Need installer lock especially for dex file removal. 8227 abstract void cleanUpResourcesLI(); 8228 abstract boolean doPostDeleteLI(boolean delete); 8229 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8230 8231 /** 8232 * Called before the source arguments are copied. This is used mostly 8233 * for MoveParams when it needs to read the source file to put it in the 8234 * destination. 8235 */ 8236 int doPreCopy() { 8237 return PackageManager.INSTALL_SUCCEEDED; 8238 } 8239 8240 /** 8241 * Called after the source arguments are copied. This is used mostly for 8242 * MoveParams when it needs to read the source file to put it in the 8243 * destination. 8244 * 8245 * @return 8246 */ 8247 int doPostCopy(int uid) { 8248 return PackageManager.INSTALL_SUCCEEDED; 8249 } 8250 8251 protected boolean isFwdLocked() { 8252 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8253 } 8254 8255 UserHandle getUser() { 8256 return user; 8257 } 8258 } 8259 8260 class FileInstallArgs extends InstallArgs { 8261 File installDir; 8262 String codeFileName; 8263 String resourceFileName; 8264 String libraryPath; 8265 boolean created = false; 8266 8267 FileInstallArgs(InstallParams params) { 8268 super(params.getPackageUri(), params.observer, params.flags, 8269 params.installerPackageName, params.getManifestDigest(), 8270 params.getUser(), null /* instruction set */); 8271 } 8272 8273 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8274 String instructionSet) { 8275 super(null, null, 0, null, null, null, instructionSet); 8276 File codeFile = new File(fullCodePath); 8277 installDir = codeFile.getParentFile(); 8278 codeFileName = fullCodePath; 8279 resourceFileName = fullResourcePath; 8280 libraryPath = nativeLibraryPath; 8281 } 8282 8283 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 8284 super(packageURI, null, 0, null, null, null, instructionSet); 8285 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8286 String apkName = getNextCodePath(null, pkgName, ".apk"); 8287 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8288 resourceFileName = getResourcePathFromCodePath(); 8289 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8290 } 8291 8292 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8293 final long lowThreshold; 8294 8295 final DeviceStorageMonitorInternal 8296 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8297 if (dsm == null) { 8298 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8299 lowThreshold = 0L; 8300 } else { 8301 if (dsm.isMemoryLow()) { 8302 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8303 return false; 8304 } 8305 8306 lowThreshold = dsm.getMemoryLowThreshold(); 8307 } 8308 8309 try { 8310 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8311 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8312 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8313 } finally { 8314 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8315 } 8316 } 8317 8318 String getCodePath() { 8319 return codeFileName; 8320 } 8321 8322 void createCopyFile() { 8323 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8324 codeFileName = createTempPackageFile(installDir).getPath(); 8325 resourceFileName = getResourcePathFromCodePath(); 8326 libraryPath = getLibraryPathFromCodePath(); 8327 created = true; 8328 } 8329 8330 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8331 if (temp) { 8332 // Generate temp file name 8333 createCopyFile(); 8334 } 8335 // Get a ParcelFileDescriptor to write to the output file 8336 File codeFile = new File(codeFileName); 8337 if (!created) { 8338 try { 8339 codeFile.createNewFile(); 8340 // Set permissions 8341 if (!setPermissions()) { 8342 // Failed setting permissions. 8343 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8344 } 8345 } catch (IOException e) { 8346 Slog.w(TAG, "Failed to create file " + codeFile); 8347 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8348 } 8349 } 8350 ParcelFileDescriptor out = null; 8351 try { 8352 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8353 } catch (FileNotFoundException e) { 8354 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8355 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8356 } 8357 // Copy the resource now 8358 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8359 try { 8360 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8361 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8362 ret = imcs.copyResource(packageURI, null, out); 8363 } finally { 8364 IoUtils.closeQuietly(out); 8365 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8366 } 8367 8368 if (isFwdLocked()) { 8369 final File destResourceFile = new File(getResourcePath()); 8370 8371 // Copy the public files 8372 try { 8373 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8374 } catch (IOException e) { 8375 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8376 + " forward-locked app."); 8377 destResourceFile.delete(); 8378 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8379 } 8380 } 8381 8382 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8383 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8384 if (nativeLibraryFile.exists()) { 8385 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8386 nativeLibraryFile.delete(); 8387 } 8388 try { 8389 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8390 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8391 return copyRet; 8392 } 8393 } catch (IOException e) { 8394 Slog.e(TAG, "Copying native libraries failed", e); 8395 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8396 } 8397 8398 return ret; 8399 } 8400 8401 int doPreInstall(int status) { 8402 if (status != PackageManager.INSTALL_SUCCEEDED) { 8403 cleanUp(); 8404 } 8405 return status; 8406 } 8407 8408 boolean doRename(int status, final String pkgName, String oldCodePath) { 8409 if (status != PackageManager.INSTALL_SUCCEEDED) { 8410 cleanUp(); 8411 return false; 8412 } else { 8413 final File oldCodeFile = new File(getCodePath()); 8414 final File oldResourceFile = new File(getResourcePath()); 8415 final File oldLibraryFile = new File(getNativeLibraryPath()); 8416 8417 // Rename APK file based on packageName 8418 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8419 final File newCodeFile = new File(installDir, apkName + ".apk"); 8420 if (!oldCodeFile.renameTo(newCodeFile)) { 8421 return false; 8422 } 8423 codeFileName = newCodeFile.getPath(); 8424 8425 // Rename public resource file if it's forward-locked. 8426 final File newResFile = new File(getResourcePathFromCodePath()); 8427 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8428 return false; 8429 } 8430 resourceFileName = newResFile.getPath(); 8431 8432 // Rename library path 8433 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8434 if (newLibraryFile.exists()) { 8435 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8436 newLibraryFile.delete(); 8437 } 8438 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8439 Slog.e(TAG, "Cannot rename native library directory " 8440 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8441 return false; 8442 } 8443 libraryPath = newLibraryFile.getPath(); 8444 8445 // Attempt to set permissions 8446 if (!setPermissions()) { 8447 return false; 8448 } 8449 8450 if (!SELinux.restorecon(newCodeFile)) { 8451 return false; 8452 } 8453 8454 return true; 8455 } 8456 } 8457 8458 int doPostInstall(int status, int uid) { 8459 if (status != PackageManager.INSTALL_SUCCEEDED) { 8460 cleanUp(); 8461 } 8462 return status; 8463 } 8464 8465 String getResourcePath() { 8466 return resourceFileName; 8467 } 8468 8469 private String getResourcePathFromCodePath() { 8470 final String codePath = getCodePath(); 8471 if (isFwdLocked()) { 8472 final StringBuilder sb = new StringBuilder(); 8473 8474 sb.append(mAppInstallDir.getPath()); 8475 sb.append('/'); 8476 sb.append(getApkName(codePath)); 8477 sb.append(".zip"); 8478 8479 /* 8480 * If our APK is a temporary file, mark the resource as a 8481 * temporary file as well so it can be cleaned up after 8482 * catastrophic failure. 8483 */ 8484 if (codePath.endsWith(".tmp")) { 8485 sb.append(".tmp"); 8486 } 8487 8488 return sb.toString(); 8489 } else { 8490 return codePath; 8491 } 8492 } 8493 8494 private String getLibraryPathFromCodePath() { 8495 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8496 } 8497 8498 @Override 8499 String getNativeLibraryPath() { 8500 if (libraryPath == null) { 8501 libraryPath = getLibraryPathFromCodePath(); 8502 } 8503 return libraryPath; 8504 } 8505 8506 private boolean cleanUp() { 8507 boolean ret = true; 8508 String sourceDir = getCodePath(); 8509 String publicSourceDir = getResourcePath(); 8510 if (sourceDir != null) { 8511 File sourceFile = new File(sourceDir); 8512 if (!sourceFile.exists()) { 8513 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8514 ret = false; 8515 } 8516 // Delete application's code and resources 8517 sourceFile.delete(); 8518 } 8519 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8520 final File publicSourceFile = new File(publicSourceDir); 8521 if (!publicSourceFile.exists()) { 8522 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8523 } 8524 if (publicSourceFile.exists()) { 8525 publicSourceFile.delete(); 8526 } 8527 } 8528 8529 if (libraryPath != null) { 8530 File nativeLibraryFile = new File(libraryPath); 8531 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8532 if (!nativeLibraryFile.delete()) { 8533 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8534 } 8535 } 8536 8537 return ret; 8538 } 8539 8540 void cleanUpResourcesLI() { 8541 String sourceDir = getCodePath(); 8542 if (cleanUp()) { 8543 if (instructionSet == null) { 8544 throw new IllegalStateException("instructionSet == null"); 8545 } 8546 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 8547 if (retCode < 0) { 8548 Slog.w(TAG, "Couldn't remove dex file for package: " 8549 + " at location " 8550 + sourceDir + ", retcode=" + retCode); 8551 // we don't consider this to be a failure of the core package deletion 8552 } 8553 } 8554 } 8555 8556 private boolean setPermissions() { 8557 // TODO Do this in a more elegant way later on. for now just a hack 8558 if (!isFwdLocked()) { 8559 final int filePermissions = 8560 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8561 |FileUtils.S_IROTH; 8562 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8563 if (retCode != 0) { 8564 Slog.e(TAG, "Couldn't set new package file permissions for " + 8565 getCodePath() 8566 + ". The return code was: " + retCode); 8567 // TODO Define new internal error 8568 return false; 8569 } 8570 return true; 8571 } 8572 return true; 8573 } 8574 8575 boolean doPostDeleteLI(boolean delete) { 8576 // XXX err, shouldn't we respect the delete flag? 8577 cleanUpResourcesLI(); 8578 return true; 8579 } 8580 } 8581 8582 private boolean isAsecExternal(String cid) { 8583 final String asecPath = PackageHelper.getSdFilesystem(cid); 8584 return !asecPath.startsWith(mAsecInternalPath); 8585 } 8586 8587 /** 8588 * Extract the MountService "container ID" from the full code path of an 8589 * .apk. 8590 */ 8591 static String cidFromCodePath(String fullCodePath) { 8592 int eidx = fullCodePath.lastIndexOf("/"); 8593 String subStr1 = fullCodePath.substring(0, eidx); 8594 int sidx = subStr1.lastIndexOf("/"); 8595 return subStr1.substring(sidx+1, eidx); 8596 } 8597 8598 class AsecInstallArgs extends InstallArgs { 8599 static final String RES_FILE_NAME = "pkg.apk"; 8600 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8601 8602 String cid; 8603 String packagePath; 8604 String resourcePath; 8605 String libraryPath; 8606 8607 AsecInstallArgs(InstallParams params) { 8608 super(params.getPackageUri(), params.observer, params.flags, 8609 params.installerPackageName, params.getManifestDigest(), 8610 params.getUser(), null /* instruction set */); 8611 } 8612 8613 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8614 String instructionSet, boolean isExternal, boolean isForwardLocked) { 8615 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8616 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8617 null, null, null, instructionSet); 8618 // Extract cid from fullCodePath 8619 int eidx = fullCodePath.lastIndexOf("/"); 8620 String subStr1 = fullCodePath.substring(0, eidx); 8621 int sidx = subStr1.lastIndexOf("/"); 8622 cid = subStr1.substring(sidx+1, eidx); 8623 setCachePath(subStr1); 8624 } 8625 8626 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 8627 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8628 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8629 null, null, null, instructionSet); 8630 this.cid = cid; 8631 setCachePath(PackageHelper.getSdDir(cid)); 8632 } 8633 8634 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 8635 boolean isExternal, boolean isForwardLocked) { 8636 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8637 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8638 null, null, null, instructionSet); 8639 this.cid = cid; 8640 } 8641 8642 void createCopyFile() { 8643 cid = getTempContainerId(); 8644 } 8645 8646 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8647 try { 8648 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8649 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8650 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8651 } finally { 8652 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8653 } 8654 } 8655 8656 private final boolean isExternal() { 8657 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8658 } 8659 8660 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8661 if (temp) { 8662 createCopyFile(); 8663 } else { 8664 /* 8665 * Pre-emptively destroy the container since it's destroyed if 8666 * copying fails due to it existing anyway. 8667 */ 8668 PackageHelper.destroySdDir(cid); 8669 } 8670 8671 final String newCachePath; 8672 try { 8673 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8674 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8675 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8676 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8677 } finally { 8678 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8679 } 8680 8681 if (newCachePath != null) { 8682 setCachePath(newCachePath); 8683 return PackageManager.INSTALL_SUCCEEDED; 8684 } else { 8685 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8686 } 8687 } 8688 8689 @Override 8690 String getCodePath() { 8691 return packagePath; 8692 } 8693 8694 @Override 8695 String getResourcePath() { 8696 return resourcePath; 8697 } 8698 8699 @Override 8700 String getNativeLibraryPath() { 8701 return libraryPath; 8702 } 8703 8704 int doPreInstall(int status) { 8705 if (status != PackageManager.INSTALL_SUCCEEDED) { 8706 // Destroy container 8707 PackageHelper.destroySdDir(cid); 8708 } else { 8709 boolean mounted = PackageHelper.isContainerMounted(cid); 8710 if (!mounted) { 8711 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8712 Process.SYSTEM_UID); 8713 if (newCachePath != null) { 8714 setCachePath(newCachePath); 8715 } else { 8716 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8717 } 8718 } 8719 } 8720 return status; 8721 } 8722 8723 boolean doRename(int status, final String pkgName, 8724 String oldCodePath) { 8725 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8726 String newCachePath = null; 8727 if (PackageHelper.isContainerMounted(cid)) { 8728 // Unmount the container 8729 if (!PackageHelper.unMountSdDir(cid)) { 8730 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8731 return false; 8732 } 8733 } 8734 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8735 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8736 " which might be stale. Will try to clean up."); 8737 // Clean up the stale container and proceed to recreate. 8738 if (!PackageHelper.destroySdDir(newCacheId)) { 8739 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8740 return false; 8741 } 8742 // Successfully cleaned up stale container. Try to rename again. 8743 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8744 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8745 + " inspite of cleaning it up."); 8746 return false; 8747 } 8748 } 8749 if (!PackageHelper.isContainerMounted(newCacheId)) { 8750 Slog.w(TAG, "Mounting container " + newCacheId); 8751 newCachePath = PackageHelper.mountSdDir(newCacheId, 8752 getEncryptKey(), Process.SYSTEM_UID); 8753 } else { 8754 newCachePath = PackageHelper.getSdDir(newCacheId); 8755 } 8756 if (newCachePath == null) { 8757 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8758 return false; 8759 } 8760 Log.i(TAG, "Succesfully renamed " + cid + 8761 " to " + newCacheId + 8762 " at new path: " + newCachePath); 8763 cid = newCacheId; 8764 setCachePath(newCachePath); 8765 return true; 8766 } 8767 8768 private void setCachePath(String newCachePath) { 8769 File cachePath = new File(newCachePath); 8770 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8771 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8772 8773 if (isFwdLocked()) { 8774 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8775 } else { 8776 resourcePath = packagePath; 8777 } 8778 } 8779 8780 int doPostInstall(int status, int uid) { 8781 if (status != PackageManager.INSTALL_SUCCEEDED) { 8782 cleanUp(); 8783 } else { 8784 final int groupOwner; 8785 final String protectedFile; 8786 if (isFwdLocked()) { 8787 groupOwner = UserHandle.getSharedAppGid(uid); 8788 protectedFile = RES_FILE_NAME; 8789 } else { 8790 groupOwner = -1; 8791 protectedFile = null; 8792 } 8793 8794 if (uid < Process.FIRST_APPLICATION_UID 8795 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8796 Slog.e(TAG, "Failed to finalize " + cid); 8797 PackageHelper.destroySdDir(cid); 8798 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8799 } 8800 8801 boolean mounted = PackageHelper.isContainerMounted(cid); 8802 if (!mounted) { 8803 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8804 } 8805 } 8806 return status; 8807 } 8808 8809 private void cleanUp() { 8810 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8811 8812 // Destroy secure container 8813 PackageHelper.destroySdDir(cid); 8814 } 8815 8816 void cleanUpResourcesLI() { 8817 String sourceFile = getCodePath(); 8818 // Remove dex file 8819 if (instructionSet == null) { 8820 throw new IllegalStateException("instructionSet == null"); 8821 } 8822 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 8823 if (retCode < 0) { 8824 Slog.w(TAG, "Couldn't remove dex file for package: " 8825 + " at location " 8826 + sourceFile.toString() + ", retcode=" + retCode); 8827 // we don't consider this to be a failure of the core package deletion 8828 } 8829 cleanUp(); 8830 } 8831 8832 boolean matchContainer(String app) { 8833 if (cid.startsWith(app)) { 8834 return true; 8835 } 8836 return false; 8837 } 8838 8839 String getPackageName() { 8840 return getAsecPackageName(cid); 8841 } 8842 8843 boolean doPostDeleteLI(boolean delete) { 8844 boolean ret = false; 8845 boolean mounted = PackageHelper.isContainerMounted(cid); 8846 if (mounted) { 8847 // Unmount first 8848 ret = PackageHelper.unMountSdDir(cid); 8849 } 8850 if (ret && delete) { 8851 cleanUpResourcesLI(); 8852 } 8853 return ret; 8854 } 8855 8856 @Override 8857 int doPreCopy() { 8858 if (isFwdLocked()) { 8859 if (!PackageHelper.fixSdPermissions(cid, 8860 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8861 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8862 } 8863 } 8864 8865 return PackageManager.INSTALL_SUCCEEDED; 8866 } 8867 8868 @Override 8869 int doPostCopy(int uid) { 8870 if (isFwdLocked()) { 8871 if (uid < Process.FIRST_APPLICATION_UID 8872 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8873 RES_FILE_NAME)) { 8874 Slog.e(TAG, "Failed to finalize " + cid); 8875 PackageHelper.destroySdDir(cid); 8876 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8877 } 8878 } 8879 8880 return PackageManager.INSTALL_SUCCEEDED; 8881 } 8882 }; 8883 8884 static String getAsecPackageName(String packageCid) { 8885 int idx = packageCid.lastIndexOf("-"); 8886 if (idx == -1) { 8887 return packageCid; 8888 } 8889 return packageCid.substring(0, idx); 8890 } 8891 8892 // Utility method used to create code paths based on package name and available index. 8893 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8894 String idxStr = ""; 8895 int idx = 1; 8896 // Fall back to default value of idx=1 if prefix is not 8897 // part of oldCodePath 8898 if (oldCodePath != null) { 8899 String subStr = oldCodePath; 8900 // Drop the suffix right away 8901 if (subStr.endsWith(suffix)) { 8902 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8903 } 8904 // If oldCodePath already contains prefix find out the 8905 // ending index to either increment or decrement. 8906 int sidx = subStr.lastIndexOf(prefix); 8907 if (sidx != -1) { 8908 subStr = subStr.substring(sidx + prefix.length()); 8909 if (subStr != null) { 8910 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8911 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8912 } 8913 try { 8914 idx = Integer.parseInt(subStr); 8915 if (idx <= 1) { 8916 idx++; 8917 } else { 8918 idx--; 8919 } 8920 } catch(NumberFormatException e) { 8921 } 8922 } 8923 } 8924 } 8925 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8926 return prefix + idxStr; 8927 } 8928 8929 // Utility method used to ignore ADD/REMOVE events 8930 // by directory observer. 8931 private static boolean ignoreCodePath(String fullPathStr) { 8932 String apkName = getApkName(fullPathStr); 8933 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8934 if (idx != -1 && ((idx+1) < apkName.length())) { 8935 // Make sure the package ends with a numeral 8936 String version = apkName.substring(idx+1); 8937 try { 8938 Integer.parseInt(version); 8939 return true; 8940 } catch (NumberFormatException e) {} 8941 } 8942 return false; 8943 } 8944 8945 // Utility method that returns the relative package path with respect 8946 // to the installation directory. Like say for /data/data/com.test-1.apk 8947 // string com.test-1 is returned. 8948 static String getApkName(String codePath) { 8949 if (codePath == null) { 8950 return null; 8951 } 8952 int sidx = codePath.lastIndexOf("/"); 8953 int eidx = codePath.lastIndexOf("."); 8954 if (eidx == -1) { 8955 eidx = codePath.length(); 8956 } else if (eidx == 0) { 8957 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8958 return null; 8959 } 8960 return codePath.substring(sidx+1, eidx); 8961 } 8962 8963 class PackageInstalledInfo { 8964 String name; 8965 int uid; 8966 // The set of users that originally had this package installed. 8967 int[] origUsers; 8968 // The set of users that now have this package installed. 8969 int[] newUsers; 8970 PackageParser.Package pkg; 8971 int returnCode; 8972 PackageRemovedInfo removedInfo; 8973 } 8974 8975 /* 8976 * Install a non-existing package. 8977 */ 8978 private void installNewPackageLI(PackageParser.Package pkg, 8979 int parseFlags, int scanMode, UserHandle user, 8980 String installerPackageName, PackageInstalledInfo res) { 8981 // Remember this for later, in case we need to rollback this install 8982 String pkgName = pkg.packageName; 8983 8984 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8985 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8986 synchronized(mPackages) { 8987 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8988 // A package with the same name is already installed, though 8989 // it has been renamed to an older name. The package we 8990 // are trying to install should be installed as an update to 8991 // the existing one, but that has not been requested, so bail. 8992 Slog.w(TAG, "Attempt to re-install " + pkgName 8993 + " without first uninstalling package running as " 8994 + mSettings.mRenamedPackages.get(pkgName)); 8995 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8996 return; 8997 } 8998 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8999 // Don't allow installation over an existing package with the same name. 9000 Slog.w(TAG, "Attempt to re-install " + pkgName 9001 + " without first uninstalling."); 9002 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9003 return; 9004 } 9005 } 9006 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9007 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9008 System.currentTimeMillis(), user); 9009 if (newPackage == null) { 9010 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9011 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9012 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9013 } 9014 } else { 9015 updateSettingsLI(newPackage, 9016 installerPackageName, 9017 null, null, 9018 res); 9019 // delete the partially installed application. the data directory will have to be 9020 // restored if it was already existing 9021 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9022 // remove package from internal structures. Note that we want deletePackageX to 9023 // delete the package data and cache directories that it created in 9024 // scanPackageLocked, unless those directories existed before we even tried to 9025 // install. 9026 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9027 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9028 res.removedInfo, true); 9029 } 9030 } 9031 } 9032 9033 private void replacePackageLI(PackageParser.Package pkg, 9034 int parseFlags, int scanMode, UserHandle user, 9035 String installerPackageName, PackageInstalledInfo res) { 9036 9037 PackageParser.Package oldPackage; 9038 String pkgName = pkg.packageName; 9039 int[] allUsers; 9040 boolean[] perUserInstalled; 9041 9042 // First find the old package info and check signatures 9043 synchronized(mPackages) { 9044 oldPackage = mPackages.get(pkgName); 9045 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9046 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9047 != PackageManager.SIGNATURE_MATCH) { 9048 Slog.w(TAG, "New package has a different signature: " + pkgName); 9049 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9050 return; 9051 } 9052 9053 // In case of rollback, remember per-user/profile install state 9054 PackageSetting ps = mSettings.mPackages.get(pkgName); 9055 allUsers = sUserManager.getUserIds(); 9056 perUserInstalled = new boolean[allUsers.length]; 9057 for (int i = 0; i < allUsers.length; i++) { 9058 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9059 } 9060 } 9061 boolean sysPkg = (isSystemApp(oldPackage)); 9062 if (sysPkg) { 9063 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9064 user, allUsers, perUserInstalled, installerPackageName, res); 9065 } else { 9066 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9067 user, allUsers, perUserInstalled, installerPackageName, res); 9068 } 9069 } 9070 9071 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9072 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9073 int[] allUsers, boolean[] perUserInstalled, 9074 String installerPackageName, PackageInstalledInfo res) { 9075 PackageParser.Package newPackage = null; 9076 String pkgName = deletedPackage.packageName; 9077 boolean deletedPkg = true; 9078 boolean updatedSettings = false; 9079 9080 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9081 + deletedPackage); 9082 long origUpdateTime; 9083 if (pkg.mExtras != null) { 9084 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9085 } else { 9086 origUpdateTime = 0; 9087 } 9088 9089 // First delete the existing package while retaining the data directory 9090 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9091 res.removedInfo, true)) { 9092 // If the existing package wasn't successfully deleted 9093 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9094 deletedPkg = false; 9095 } else { 9096 // Successfully deleted the old package. Now proceed with re-installation 9097 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9098 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9099 System.currentTimeMillis(), user); 9100 if (newPackage == null) { 9101 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9102 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9103 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9104 } 9105 } else { 9106 updateSettingsLI(newPackage, 9107 installerPackageName, 9108 allUsers, perUserInstalled, 9109 res); 9110 updatedSettings = true; 9111 } 9112 } 9113 9114 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9115 // remove package from internal structures. Note that we want deletePackageX to 9116 // delete the package data and cache directories that it created in 9117 // scanPackageLocked, unless those directories existed before we even tried to 9118 // install. 9119 if(updatedSettings) { 9120 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9121 deletePackageLI( 9122 pkgName, null, true, allUsers, perUserInstalled, 9123 PackageManager.DELETE_KEEP_DATA, 9124 res.removedInfo, true); 9125 } 9126 // Since we failed to install the new package we need to restore the old 9127 // package that we deleted. 9128 if(deletedPkg) { 9129 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9130 File restoreFile = new File(deletedPackage.mPath); 9131 // Parse old package 9132 boolean oldOnSd = isExternal(deletedPackage); 9133 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9134 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9135 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9136 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9137 | SCAN_UPDATE_TIME; 9138 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9139 origUpdateTime, null) == null) { 9140 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9141 return; 9142 } 9143 // Restore of old package succeeded. Update permissions. 9144 // writer 9145 synchronized (mPackages) { 9146 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9147 UPDATE_PERMISSIONS_ALL); 9148 // can downgrade to reader 9149 mSettings.writeLPr(); 9150 } 9151 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9152 } 9153 } 9154 } 9155 9156 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9157 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9158 int[] allUsers, boolean[] perUserInstalled, 9159 String installerPackageName, PackageInstalledInfo res) { 9160 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9161 + ", old=" + deletedPackage); 9162 PackageParser.Package newPackage = null; 9163 boolean updatedSettings = false; 9164 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9165 PackageParser.PARSE_IS_SYSTEM; 9166 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9167 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9168 } 9169 String packageName = deletedPackage.packageName; 9170 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9171 if (packageName == null) { 9172 Slog.w(TAG, "Attempt to delete null packageName."); 9173 return; 9174 } 9175 PackageParser.Package oldPkg; 9176 PackageSetting oldPkgSetting; 9177 // reader 9178 synchronized (mPackages) { 9179 oldPkg = mPackages.get(packageName); 9180 oldPkgSetting = mSettings.mPackages.get(packageName); 9181 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9182 (oldPkgSetting == null)) { 9183 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9184 return; 9185 } 9186 } 9187 9188 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9189 9190 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9191 res.removedInfo.removedPackage = packageName; 9192 // Remove existing system package 9193 removePackageLI(oldPkgSetting, true); 9194 // writer 9195 synchronized (mPackages) { 9196 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9197 // We didn't need to disable the .apk as a current system package, 9198 // which means we are replacing another update that is already 9199 // installed. We need to make sure to delete the older one's .apk. 9200 res.removedInfo.args = createInstallArgs(0, 9201 deletedPackage.applicationInfo.sourceDir, 9202 deletedPackage.applicationInfo.publicSourceDir, 9203 deletedPackage.applicationInfo.nativeLibraryDir, 9204 getAppInstructionSet(deletedPackage.applicationInfo)); 9205 } else { 9206 res.removedInfo.args = null; 9207 } 9208 } 9209 9210 // Successfully disabled the old package. Now proceed with re-installation 9211 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9212 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9213 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9214 if (newPackage == null) { 9215 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9216 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9217 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9218 } 9219 } else { 9220 if (newPackage.mExtras != null) { 9221 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9222 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9223 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9224 } 9225 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9226 updatedSettings = true; 9227 } 9228 9229 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9230 // Re installation failed. Restore old information 9231 // Remove new pkg information 9232 if (newPackage != null) { 9233 removeInstalledPackageLI(newPackage, true); 9234 } 9235 // Add back the old system package 9236 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9237 // Restore the old system information in Settings 9238 synchronized(mPackages) { 9239 if (updatedSettings) { 9240 mSettings.enableSystemPackageLPw(packageName); 9241 mSettings.setInstallerPackageName(packageName, 9242 oldPkgSetting.installerPackageName); 9243 } 9244 mSettings.writeLPr(); 9245 } 9246 } 9247 } 9248 9249 // Utility method used to move dex files during install. 9250 private int moveDexFilesLI(PackageParser.Package newPackage) { 9251 int retCode; 9252 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9253 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 9254 getAppInstructionSet(newPackage.applicationInfo)); 9255 if (retCode != 0) { 9256 if (mNoDexOpt) { 9257 /* 9258 * If we're in an engineering build, programs are lazily run 9259 * through dexopt. If the .dex file doesn't exist yet, it 9260 * will be created when the program is run next. 9261 */ 9262 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9263 } else { 9264 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9265 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9266 } 9267 } 9268 } 9269 return PackageManager.INSTALL_SUCCEEDED; 9270 } 9271 9272 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9273 int[] allUsers, boolean[] perUserInstalled, 9274 PackageInstalledInfo res) { 9275 String pkgName = newPackage.packageName; 9276 synchronized (mPackages) { 9277 //write settings. the installStatus will be incomplete at this stage. 9278 //note that the new package setting would have already been 9279 //added to mPackages. It hasn't been persisted yet. 9280 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9281 mSettings.writeLPr(); 9282 } 9283 9284 if ((res.returnCode = moveDexFilesLI(newPackage)) 9285 != PackageManager.INSTALL_SUCCEEDED) { 9286 // Discontinue if moving dex files failed. 9287 return; 9288 } 9289 9290 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9291 9292 synchronized (mPackages) { 9293 updatePermissionsLPw(newPackage.packageName, newPackage, 9294 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9295 ? UPDATE_PERMISSIONS_ALL : 0)); 9296 // For system-bundled packages, we assume that installing an upgraded version 9297 // of the package implies that the user actually wants to run that new code, 9298 // so we enable the package. 9299 if (isSystemApp(newPackage)) { 9300 // NB: implicit assumption that system package upgrades apply to all users 9301 if (DEBUG_INSTALL) { 9302 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9303 } 9304 PackageSetting ps = mSettings.mPackages.get(pkgName); 9305 if (ps != null) { 9306 if (res.origUsers != null) { 9307 for (int userHandle : res.origUsers) { 9308 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9309 userHandle, installerPackageName); 9310 } 9311 } 9312 // Also convey the prior install/uninstall state 9313 if (allUsers != null && perUserInstalled != null) { 9314 for (int i = 0; i < allUsers.length; i++) { 9315 if (DEBUG_INSTALL) { 9316 Slog.d(TAG, " user " + allUsers[i] 9317 + " => " + perUserInstalled[i]); 9318 } 9319 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9320 } 9321 // these install state changes will be persisted in the 9322 // upcoming call to mSettings.writeLPr(). 9323 } 9324 } 9325 } 9326 res.name = pkgName; 9327 res.uid = newPackage.applicationInfo.uid; 9328 res.pkg = newPackage; 9329 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9330 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9331 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9332 //to update install status 9333 mSettings.writeLPr(); 9334 } 9335 } 9336 9337 private void installPackageLI(InstallArgs args, 9338 boolean newInstall, PackageInstalledInfo res) { 9339 int pFlags = args.flags; 9340 String installerPackageName = args.installerPackageName; 9341 File tmpPackageFile = new File(args.getCodePath()); 9342 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9343 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9344 boolean replace = false; 9345 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9346 | (newInstall ? SCAN_NEW_INSTALL : 0); 9347 // Result object to be returned 9348 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9349 9350 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9351 // Retrieve PackageSettings and parse package 9352 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9353 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9354 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9355 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9356 pp.setSeparateProcesses(mSeparateProcesses); 9357 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9358 null, mMetrics, parseFlags); 9359 if (pkg == null) { 9360 res.returnCode = pp.getParseError(); 9361 return; 9362 } 9363 String pkgName = res.name = pkg.packageName; 9364 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9365 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9366 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9367 return; 9368 } 9369 } 9370 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9371 res.returnCode = pp.getParseError(); 9372 return; 9373 } 9374 9375 /* If the installer passed in a manifest digest, compare it now. */ 9376 if (args.manifestDigest != null) { 9377 if (DEBUG_INSTALL) { 9378 final String parsedManifest = pkg.manifestDigest == null ? "null" 9379 : pkg.manifestDigest.toString(); 9380 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9381 + parsedManifest); 9382 } 9383 9384 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9385 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9386 return; 9387 } 9388 } else if (DEBUG_INSTALL) { 9389 final String parsedManifest = pkg.manifestDigest == null 9390 ? "null" : pkg.manifestDigest.toString(); 9391 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9392 } 9393 9394 // Get rid of all references to package scan path via parser. 9395 pp = null; 9396 String oldCodePath = null; 9397 boolean systemApp = false; 9398 synchronized (mPackages) { 9399 // Check if installing already existing package 9400 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9401 String oldName = mSettings.mRenamedPackages.get(pkgName); 9402 if (pkg.mOriginalPackages != null 9403 && pkg.mOriginalPackages.contains(oldName) 9404 && mPackages.containsKey(oldName)) { 9405 // This package is derived from an original package, 9406 // and this device has been updating from that original 9407 // name. We must continue using the original name, so 9408 // rename the new package here. 9409 pkg.setPackageName(oldName); 9410 pkgName = pkg.packageName; 9411 replace = true; 9412 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9413 + oldName + " pkgName=" + pkgName); 9414 } else if (mPackages.containsKey(pkgName)) { 9415 // This package, under its official name, already exists 9416 // on the device; we should replace it. 9417 replace = true; 9418 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9419 } 9420 } 9421 PackageSetting ps = mSettings.mPackages.get(pkgName); 9422 if (ps != null) { 9423 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9424 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9425 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9426 systemApp = (ps.pkg.applicationInfo.flags & 9427 ApplicationInfo.FLAG_SYSTEM) != 0; 9428 } 9429 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9430 } 9431 } 9432 9433 if (systemApp && onSd) { 9434 // Disable updates to system apps on sdcard 9435 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9436 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9437 return; 9438 } 9439 9440 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9441 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9442 return; 9443 } 9444 // Set application objects path explicitly after the rename 9445 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9446 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9447 if (replace) { 9448 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9449 installerPackageName, res); 9450 } else { 9451 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9452 installerPackageName, res); 9453 } 9454 synchronized (mPackages) { 9455 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9456 if (ps != null) { 9457 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9458 } 9459 } 9460 } 9461 9462 private static boolean isForwardLocked(PackageParser.Package pkg) { 9463 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9464 } 9465 9466 9467 private boolean isForwardLocked(PackageSetting ps) { 9468 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9469 } 9470 9471 private static boolean isExternal(PackageParser.Package pkg) { 9472 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9473 } 9474 9475 private static boolean isExternal(PackageSetting ps) { 9476 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9477 } 9478 9479 private static boolean isSystemApp(PackageParser.Package pkg) { 9480 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9481 } 9482 9483 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9484 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9485 } 9486 9487 private static boolean isSystemApp(ApplicationInfo info) { 9488 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9489 } 9490 9491 private static boolean isSystemApp(PackageSetting ps) { 9492 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9493 } 9494 9495 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9496 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9497 } 9498 9499 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9500 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9501 } 9502 9503 private int packageFlagsToInstallFlags(PackageSetting ps) { 9504 int installFlags = 0; 9505 if (isExternal(ps)) { 9506 installFlags |= PackageManager.INSTALL_EXTERNAL; 9507 } 9508 if (isForwardLocked(ps)) { 9509 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9510 } 9511 return installFlags; 9512 } 9513 9514 private void deleteTempPackageFiles() { 9515 final FilenameFilter filter = new FilenameFilter() { 9516 public boolean accept(File dir, String name) { 9517 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9518 } 9519 }; 9520 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9521 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9522 } 9523 9524 private static final void deleteTempPackageFilesInDirectory(File directory, 9525 FilenameFilter filter) { 9526 final String[] tmpFilesList = directory.list(filter); 9527 if (tmpFilesList == null) { 9528 return; 9529 } 9530 for (int i = 0; i < tmpFilesList.length; i++) { 9531 final File tmpFile = new File(directory, tmpFilesList[i]); 9532 tmpFile.delete(); 9533 } 9534 } 9535 9536 private File createTempPackageFile(File installDir) { 9537 File tmpPackageFile; 9538 try { 9539 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9540 } catch (IOException e) { 9541 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9542 return null; 9543 } 9544 try { 9545 FileUtils.setPermissions( 9546 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9547 -1, -1); 9548 if (!SELinux.restorecon(tmpPackageFile)) { 9549 return null; 9550 } 9551 } catch (IOException e) { 9552 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9553 return null; 9554 } 9555 return tmpPackageFile; 9556 } 9557 9558 @Override 9559 public void deletePackageAsUser(final String packageName, 9560 final IPackageDeleteObserver observer, 9561 final int userId, final int flags) { 9562 mContext.enforceCallingOrSelfPermission( 9563 android.Manifest.permission.DELETE_PACKAGES, null); 9564 final int uid = Binder.getCallingUid(); 9565 if (UserHandle.getUserId(uid) != userId) { 9566 mContext.enforceCallingPermission( 9567 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9568 "deletePackage for user " + userId); 9569 } 9570 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9571 try { 9572 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9573 } catch (RemoteException re) { 9574 } 9575 return; 9576 } 9577 9578 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9579 // Queue up an async operation since the package deletion may take a little while. 9580 mHandler.post(new Runnable() { 9581 public void run() { 9582 mHandler.removeCallbacks(this); 9583 final int returnCode = deletePackageX(packageName, userId, flags); 9584 if (observer != null) { 9585 try { 9586 observer.packageDeleted(packageName, returnCode); 9587 } catch (RemoteException e) { 9588 Log.i(TAG, "Observer no longer exists."); 9589 } //end catch 9590 } //end if 9591 } //end run 9592 }); 9593 } 9594 9595 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9596 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9597 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9598 try { 9599 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9600 || dpm.isDeviceOwner(packageName))) { 9601 return true; 9602 } 9603 } catch (RemoteException e) { 9604 } 9605 return false; 9606 } 9607 9608 /** 9609 * This method is an internal method that could be get invoked either 9610 * to delete an installed package or to clean up a failed installation. 9611 * After deleting an installed package, a broadcast is sent to notify any 9612 * listeners that the package has been installed. For cleaning up a failed 9613 * installation, the broadcast is not necessary since the package's 9614 * installation wouldn't have sent the initial broadcast either 9615 * The key steps in deleting a package are 9616 * deleting the package information in internal structures like mPackages, 9617 * deleting the packages base directories through installd 9618 * updating mSettings to reflect current status 9619 * persisting settings for later use 9620 * sending a broadcast if necessary 9621 */ 9622 private int deletePackageX(String packageName, int userId, int flags) { 9623 final PackageRemovedInfo info = new PackageRemovedInfo(); 9624 final boolean res; 9625 9626 if (isPackageDeviceAdmin(packageName, userId)) { 9627 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9628 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9629 } 9630 9631 boolean removedForAllUsers = false; 9632 boolean systemUpdate = false; 9633 9634 // for the uninstall-updates case and restricted profiles, remember the per- 9635 // userhandle installed state 9636 int[] allUsers; 9637 boolean[] perUserInstalled; 9638 synchronized (mPackages) { 9639 PackageSetting ps = mSettings.mPackages.get(packageName); 9640 allUsers = sUserManager.getUserIds(); 9641 perUserInstalled = new boolean[allUsers.length]; 9642 for (int i = 0; i < allUsers.length; i++) { 9643 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9644 } 9645 } 9646 9647 synchronized (mInstallLock) { 9648 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9649 res = deletePackageLI(packageName, 9650 (flags & PackageManager.DELETE_ALL_USERS) != 0 9651 ? UserHandle.ALL : new UserHandle(userId), 9652 true, allUsers, perUserInstalled, 9653 flags | REMOVE_CHATTY, info, true); 9654 systemUpdate = info.isRemovedPackageSystemUpdate; 9655 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9656 removedForAllUsers = true; 9657 } 9658 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9659 + " removedForAllUsers=" + removedForAllUsers); 9660 } 9661 9662 if (res) { 9663 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9664 9665 // If the removed package was a system update, the old system package 9666 // was re-enabled; we need to broadcast this information 9667 if (systemUpdate) { 9668 Bundle extras = new Bundle(1); 9669 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9670 ? info.removedAppId : info.uid); 9671 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9672 9673 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9674 extras, null, null, null); 9675 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9676 extras, null, null, null); 9677 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9678 null, packageName, null, null); 9679 } 9680 } 9681 // Force a gc here. 9682 Runtime.getRuntime().gc(); 9683 // Delete the resources here after sending the broadcast to let 9684 // other processes clean up before deleting resources. 9685 if (info.args != null) { 9686 synchronized (mInstallLock) { 9687 info.args.doPostDeleteLI(true); 9688 } 9689 } 9690 9691 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9692 } 9693 9694 static class PackageRemovedInfo { 9695 String removedPackage; 9696 int uid = -1; 9697 int removedAppId = -1; 9698 int[] removedUsers = null; 9699 boolean isRemovedPackageSystemUpdate = false; 9700 // Clean up resources deleted packages. 9701 InstallArgs args = null; 9702 9703 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9704 Bundle extras = new Bundle(1); 9705 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9706 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9707 if (replacing) { 9708 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9709 } 9710 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9711 if (removedPackage != null) { 9712 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9713 extras, null, null, removedUsers); 9714 if (fullRemove && !replacing) { 9715 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9716 extras, null, null, removedUsers); 9717 } 9718 } 9719 if (removedAppId >= 0) { 9720 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9721 removedUsers); 9722 } 9723 } 9724 } 9725 9726 /* 9727 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9728 * flag is not set, the data directory is removed as well. 9729 * make sure this flag is set for partially installed apps. If not its meaningless to 9730 * delete a partially installed application. 9731 */ 9732 private void removePackageDataLI(PackageSetting ps, 9733 int[] allUserHandles, boolean[] perUserInstalled, 9734 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9735 String packageName = ps.name; 9736 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9737 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9738 // Retrieve object to delete permissions for shared user later on 9739 final PackageSetting deletedPs; 9740 // reader 9741 synchronized (mPackages) { 9742 deletedPs = mSettings.mPackages.get(packageName); 9743 if (outInfo != null) { 9744 outInfo.removedPackage = packageName; 9745 outInfo.removedUsers = deletedPs != null 9746 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9747 : null; 9748 } 9749 } 9750 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9751 removeDataDirsLI(packageName); 9752 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9753 } 9754 // writer 9755 synchronized (mPackages) { 9756 if (deletedPs != null) { 9757 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9758 if (outInfo != null) { 9759 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9760 } 9761 if (deletedPs != null) { 9762 updatePermissionsLPw(deletedPs.name, null, 0); 9763 if (deletedPs.sharedUser != null) { 9764 // remove permissions associated with package 9765 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9766 } 9767 } 9768 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9769 } 9770 // make sure to preserve per-user disabled state if this removal was just 9771 // a downgrade of a system app to the factory package 9772 if (allUserHandles != null && perUserInstalled != null) { 9773 if (DEBUG_REMOVE) { 9774 Slog.d(TAG, "Propagating install state across downgrade"); 9775 } 9776 for (int i = 0; i < allUserHandles.length; i++) { 9777 if (DEBUG_REMOVE) { 9778 Slog.d(TAG, " user " + allUserHandles[i] 9779 + " => " + perUserInstalled[i]); 9780 } 9781 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9782 } 9783 } 9784 } 9785 // can downgrade to reader 9786 if (writeSettings) { 9787 // Save settings now 9788 mSettings.writeLPr(); 9789 } 9790 } 9791 if (outInfo != null) { 9792 // A user ID was deleted here. Go through all users and remove it 9793 // from KeyStore. 9794 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9795 } 9796 } 9797 9798 static boolean locationIsPrivileged(File path) { 9799 try { 9800 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9801 .getCanonicalPath(); 9802 return path.getCanonicalPath().startsWith(privilegedAppDir); 9803 } catch (IOException e) { 9804 Slog.e(TAG, "Unable to access code path " + path); 9805 } 9806 return false; 9807 } 9808 9809 /* 9810 * Tries to delete system package. 9811 */ 9812 private boolean deleteSystemPackageLI(PackageSetting newPs, 9813 int[] allUserHandles, boolean[] perUserInstalled, 9814 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9815 final boolean applyUserRestrictions 9816 = (allUserHandles != null) && (perUserInstalled != null); 9817 PackageSetting disabledPs = null; 9818 // Confirm if the system package has been updated 9819 // An updated system app can be deleted. This will also have to restore 9820 // the system pkg from system partition 9821 // reader 9822 synchronized (mPackages) { 9823 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9824 } 9825 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9826 + " disabledPs=" + disabledPs); 9827 if (disabledPs == null) { 9828 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9829 return false; 9830 } else if (DEBUG_REMOVE) { 9831 Slog.d(TAG, "Deleting system pkg from data partition"); 9832 } 9833 if (DEBUG_REMOVE) { 9834 if (applyUserRestrictions) { 9835 Slog.d(TAG, "Remembering install states:"); 9836 for (int i = 0; i < allUserHandles.length; i++) { 9837 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9838 } 9839 } 9840 } 9841 // Delete the updated package 9842 outInfo.isRemovedPackageSystemUpdate = true; 9843 if (disabledPs.versionCode < newPs.versionCode) { 9844 // Delete data for downgrades 9845 flags &= ~PackageManager.DELETE_KEEP_DATA; 9846 } else { 9847 // Preserve data by setting flag 9848 flags |= PackageManager.DELETE_KEEP_DATA; 9849 } 9850 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9851 allUserHandles, perUserInstalled, outInfo, writeSettings); 9852 if (!ret) { 9853 return false; 9854 } 9855 // writer 9856 synchronized (mPackages) { 9857 // Reinstate the old system package 9858 mSettings.enableSystemPackageLPw(newPs.name); 9859 // Remove any native libraries from the upgraded package. 9860 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9861 } 9862 // Install the system package 9863 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9864 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9865 if (locationIsPrivileged(disabledPs.codePath)) { 9866 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9867 } 9868 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9869 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9870 9871 if (newPkg == null) { 9872 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9873 + " with error:" + mLastScanError); 9874 return false; 9875 } 9876 // writer 9877 synchronized (mPackages) { 9878 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9879 setInternalAppNativeLibraryPath(newPkg, ps); 9880 updatePermissionsLPw(newPkg.packageName, newPkg, 9881 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9882 if (applyUserRestrictions) { 9883 if (DEBUG_REMOVE) { 9884 Slog.d(TAG, "Propagating install state across reinstall"); 9885 } 9886 for (int i = 0; i < allUserHandles.length; i++) { 9887 if (DEBUG_REMOVE) { 9888 Slog.d(TAG, " user " + allUserHandles[i] 9889 + " => " + perUserInstalled[i]); 9890 } 9891 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9892 } 9893 // Regardless of writeSettings we need to ensure that this restriction 9894 // state propagation is persisted 9895 mSettings.writeAllUsersPackageRestrictionsLPr(); 9896 } 9897 // can downgrade to reader here 9898 if (writeSettings) { 9899 mSettings.writeLPr(); 9900 } 9901 } 9902 return true; 9903 } 9904 9905 private boolean deleteInstalledPackageLI(PackageSetting ps, 9906 boolean deleteCodeAndResources, int flags, 9907 int[] allUserHandles, boolean[] perUserInstalled, 9908 PackageRemovedInfo outInfo, boolean writeSettings) { 9909 if (outInfo != null) { 9910 outInfo.uid = ps.appId; 9911 } 9912 9913 // Delete package data from internal structures and also remove data if flag is set 9914 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9915 9916 // Delete application code and resources 9917 if (deleteCodeAndResources && (outInfo != null)) { 9918 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9919 ps.resourcePathString, ps.nativeLibraryPathString, 9920 getAppInstructionSetFromSettings(ps)); 9921 } 9922 return true; 9923 } 9924 9925 /* 9926 * This method handles package deletion in general 9927 */ 9928 private boolean deletePackageLI(String packageName, UserHandle user, 9929 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9930 int flags, PackageRemovedInfo outInfo, 9931 boolean writeSettings) { 9932 if (packageName == null) { 9933 Slog.w(TAG, "Attempt to delete null packageName."); 9934 return false; 9935 } 9936 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9937 PackageSetting ps; 9938 boolean dataOnly = false; 9939 int removeUser = -1; 9940 int appId = -1; 9941 synchronized (mPackages) { 9942 ps = mSettings.mPackages.get(packageName); 9943 if (ps == null) { 9944 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9945 return false; 9946 } 9947 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9948 && user.getIdentifier() != UserHandle.USER_ALL) { 9949 // The caller is asking that the package only be deleted for a single 9950 // user. To do this, we just mark its uninstalled state and delete 9951 // its data. If this is a system app, we only allow this to happen if 9952 // they have set the special DELETE_SYSTEM_APP which requests different 9953 // semantics than normal for uninstalling system apps. 9954 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9955 ps.setUserState(user.getIdentifier(), 9956 COMPONENT_ENABLED_STATE_DEFAULT, 9957 false, //installed 9958 true, //stopped 9959 true, //notLaunched 9960 false, //blocked 9961 null, null, null); 9962 if (!isSystemApp(ps)) { 9963 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9964 // Other user still have this package installed, so all 9965 // we need to do is clear this user's data and save that 9966 // it is uninstalled. 9967 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9968 removeUser = user.getIdentifier(); 9969 appId = ps.appId; 9970 mSettings.writePackageRestrictionsLPr(removeUser); 9971 } else { 9972 // We need to set it back to 'installed' so the uninstall 9973 // broadcasts will be sent correctly. 9974 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9975 ps.setInstalled(true, user.getIdentifier()); 9976 } 9977 } else { 9978 // This is a system app, so we assume that the 9979 // other users still have this package installed, so all 9980 // we need to do is clear this user's data and save that 9981 // it is uninstalled. 9982 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9983 removeUser = user.getIdentifier(); 9984 appId = ps.appId; 9985 mSettings.writePackageRestrictionsLPr(removeUser); 9986 } 9987 } 9988 } 9989 9990 if (removeUser >= 0) { 9991 // From above, we determined that we are deleting this only 9992 // for a single user. Continue the work here. 9993 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9994 if (outInfo != null) { 9995 outInfo.removedPackage = packageName; 9996 outInfo.removedAppId = appId; 9997 outInfo.removedUsers = new int[] {removeUser}; 9998 } 9999 mInstaller.clearUserData(packageName, removeUser); 10000 removeKeystoreDataIfNeeded(removeUser, appId); 10001 schedulePackageCleaning(packageName, removeUser, false); 10002 return true; 10003 } 10004 10005 if (dataOnly) { 10006 // Delete application data first 10007 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10008 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10009 return true; 10010 } 10011 10012 boolean ret = false; 10013 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10014 if (isSystemApp(ps)) { 10015 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10016 // When an updated system application is deleted we delete the existing resources as well and 10017 // fall back to existing code in system partition 10018 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10019 flags, outInfo, writeSettings); 10020 } else { 10021 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10022 // Kill application pre-emptively especially for apps on sd. 10023 killApplication(packageName, ps.appId, "uninstall pkg"); 10024 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10025 allUserHandles, perUserInstalled, 10026 outInfo, writeSettings); 10027 } 10028 10029 return ret; 10030 } 10031 10032 private final class ClearStorageConnection implements ServiceConnection { 10033 IMediaContainerService mContainerService; 10034 10035 @Override 10036 public void onServiceConnected(ComponentName name, IBinder service) { 10037 synchronized (this) { 10038 mContainerService = IMediaContainerService.Stub.asInterface(service); 10039 notifyAll(); 10040 } 10041 } 10042 10043 @Override 10044 public void onServiceDisconnected(ComponentName name) { 10045 } 10046 } 10047 10048 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10049 final boolean mounted; 10050 if (Environment.isExternalStorageEmulated()) { 10051 mounted = true; 10052 } else { 10053 final String status = Environment.getExternalStorageState(); 10054 10055 mounted = status.equals(Environment.MEDIA_MOUNTED) 10056 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10057 } 10058 10059 if (!mounted) { 10060 return; 10061 } 10062 10063 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10064 int[] users; 10065 if (userId == UserHandle.USER_ALL) { 10066 users = sUserManager.getUserIds(); 10067 } else { 10068 users = new int[] { userId }; 10069 } 10070 final ClearStorageConnection conn = new ClearStorageConnection(); 10071 if (mContext.bindServiceAsUser( 10072 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10073 try { 10074 for (int curUser : users) { 10075 long timeout = SystemClock.uptimeMillis() + 5000; 10076 synchronized (conn) { 10077 long now = SystemClock.uptimeMillis(); 10078 while (conn.mContainerService == null && now < timeout) { 10079 try { 10080 conn.wait(timeout - now); 10081 } catch (InterruptedException e) { 10082 } 10083 } 10084 } 10085 if (conn.mContainerService == null) { 10086 return; 10087 } 10088 10089 final UserEnvironment userEnv = new UserEnvironment(curUser); 10090 clearDirectory(conn.mContainerService, 10091 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10092 if (allData) { 10093 clearDirectory(conn.mContainerService, 10094 userEnv.buildExternalStorageAppDataDirs(packageName)); 10095 clearDirectory(conn.mContainerService, 10096 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10097 } 10098 } 10099 } finally { 10100 mContext.unbindService(conn); 10101 } 10102 } 10103 } 10104 10105 @Override 10106 public void clearApplicationUserData(final String packageName, 10107 final IPackageDataObserver observer, final int userId) { 10108 mContext.enforceCallingOrSelfPermission( 10109 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10110 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10111 // Queue up an async operation since the package deletion may take a little while. 10112 mHandler.post(new Runnable() { 10113 public void run() { 10114 mHandler.removeCallbacks(this); 10115 final boolean succeeded; 10116 synchronized (mInstallLock) { 10117 succeeded = clearApplicationUserDataLI(packageName, userId); 10118 } 10119 clearExternalStorageDataSync(packageName, userId, true); 10120 if (succeeded) { 10121 // invoke DeviceStorageMonitor's update method to clear any notifications 10122 DeviceStorageMonitorInternal 10123 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10124 if (dsm != null) { 10125 dsm.checkMemory(); 10126 } 10127 } 10128 if(observer != null) { 10129 try { 10130 observer.onRemoveCompleted(packageName, succeeded); 10131 } catch (RemoteException e) { 10132 Log.i(TAG, "Observer no longer exists."); 10133 } 10134 } //end if observer 10135 } //end run 10136 }); 10137 } 10138 10139 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10140 if (packageName == null) { 10141 Slog.w(TAG, "Attempt to delete null packageName."); 10142 return false; 10143 } 10144 PackageParser.Package p; 10145 boolean dataOnly = false; 10146 final int appId; 10147 synchronized (mPackages) { 10148 p = mPackages.get(packageName); 10149 if (p == null) { 10150 dataOnly = true; 10151 PackageSetting ps = mSettings.mPackages.get(packageName); 10152 if ((ps == null) || (ps.pkg == null)) { 10153 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10154 return false; 10155 } 10156 p = ps.pkg; 10157 } 10158 if (!dataOnly) { 10159 // need to check this only for fully installed applications 10160 if (p == null) { 10161 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10162 return false; 10163 } 10164 final ApplicationInfo applicationInfo = p.applicationInfo; 10165 if (applicationInfo == null) { 10166 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10167 return false; 10168 } 10169 } 10170 if (p != null && p.applicationInfo != null) { 10171 appId = p.applicationInfo.uid; 10172 } else { 10173 appId = -1; 10174 } 10175 } 10176 int retCode = mInstaller.clearUserData(packageName, userId); 10177 if (retCode < 0) { 10178 Slog.w(TAG, "Couldn't remove cache files for package: " 10179 + packageName); 10180 return false; 10181 } 10182 removeKeystoreDataIfNeeded(userId, appId); 10183 return true; 10184 } 10185 10186 /** 10187 * Remove entries from the keystore daemon. Will only remove it if the 10188 * {@code appId} is valid. 10189 */ 10190 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10191 if (appId < 0) { 10192 return; 10193 } 10194 10195 final KeyStore keyStore = KeyStore.getInstance(); 10196 if (keyStore != null) { 10197 if (userId == UserHandle.USER_ALL) { 10198 for (final int individual : sUserManager.getUserIds()) { 10199 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10200 } 10201 } else { 10202 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10203 } 10204 } else { 10205 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10206 } 10207 } 10208 10209 public void deleteApplicationCacheFiles(final String packageName, 10210 final IPackageDataObserver observer) { 10211 mContext.enforceCallingOrSelfPermission( 10212 android.Manifest.permission.DELETE_CACHE_FILES, null); 10213 // Queue up an async operation since the package deletion may take a little while. 10214 final int userId = UserHandle.getCallingUserId(); 10215 mHandler.post(new Runnable() { 10216 public void run() { 10217 mHandler.removeCallbacks(this); 10218 final boolean succeded; 10219 synchronized (mInstallLock) { 10220 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10221 } 10222 clearExternalStorageDataSync(packageName, userId, false); 10223 if(observer != null) { 10224 try { 10225 observer.onRemoveCompleted(packageName, succeded); 10226 } catch (RemoteException e) { 10227 Log.i(TAG, "Observer no longer exists."); 10228 } 10229 } //end if observer 10230 } //end run 10231 }); 10232 } 10233 10234 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10235 if (packageName == null) { 10236 Slog.w(TAG, "Attempt to delete null packageName."); 10237 return false; 10238 } 10239 PackageParser.Package p; 10240 synchronized (mPackages) { 10241 p = mPackages.get(packageName); 10242 } 10243 if (p == null) { 10244 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10245 return false; 10246 } 10247 final ApplicationInfo applicationInfo = p.applicationInfo; 10248 if (applicationInfo == null) { 10249 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10250 return false; 10251 } 10252 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10253 if (retCode < 0) { 10254 Slog.w(TAG, "Couldn't remove cache files for package: " 10255 + packageName + " u" + userId); 10256 return false; 10257 } 10258 return true; 10259 } 10260 10261 public void getPackageSizeInfo(final String packageName, int userHandle, 10262 final IPackageStatsObserver observer) { 10263 mContext.enforceCallingOrSelfPermission( 10264 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10265 10266 PackageStats stats = new PackageStats(packageName, userHandle); 10267 10268 /* 10269 * Queue up an async operation since the package measurement may take a 10270 * little while. 10271 */ 10272 Message msg = mHandler.obtainMessage(INIT_COPY); 10273 msg.obj = new MeasureParams(stats, observer); 10274 mHandler.sendMessage(msg); 10275 } 10276 10277 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10278 PackageStats pStats) { 10279 if (packageName == null) { 10280 Slog.w(TAG, "Attempt to get size of null packageName."); 10281 return false; 10282 } 10283 PackageParser.Package p; 10284 boolean dataOnly = false; 10285 String libDirPath = null; 10286 String asecPath = null; 10287 PackageSetting ps = null; 10288 synchronized (mPackages) { 10289 p = mPackages.get(packageName); 10290 ps = mSettings.mPackages.get(packageName); 10291 if(p == null) { 10292 dataOnly = true; 10293 if((ps == null) || (ps.pkg == null)) { 10294 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10295 return false; 10296 } 10297 p = ps.pkg; 10298 } 10299 if (ps != null) { 10300 libDirPath = ps.nativeLibraryPathString; 10301 } 10302 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10303 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10304 if (secureContainerId != null) { 10305 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10306 } 10307 } 10308 } 10309 String publicSrcDir = null; 10310 if(!dataOnly) { 10311 final ApplicationInfo applicationInfo = p.applicationInfo; 10312 if (applicationInfo == null) { 10313 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10314 return false; 10315 } 10316 if (isForwardLocked(p)) { 10317 publicSrcDir = applicationInfo.publicSourceDir; 10318 } 10319 } 10320 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10321 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 10322 pStats); 10323 if (res < 0) { 10324 return false; 10325 } 10326 10327 // Fix-up for forward-locked applications in ASEC containers. 10328 if (!isExternal(p)) { 10329 pStats.codeSize += pStats.externalCodeSize; 10330 pStats.externalCodeSize = 0L; 10331 } 10332 10333 return true; 10334 } 10335 10336 10337 public void addPackageToPreferred(String packageName) { 10338 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10339 } 10340 10341 public void removePackageFromPreferred(String packageName) { 10342 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10343 } 10344 10345 public List<PackageInfo> getPreferredPackages(int flags) { 10346 return new ArrayList<PackageInfo>(); 10347 } 10348 10349 private int getUidTargetSdkVersionLockedLPr(int uid) { 10350 Object obj = mSettings.getUserIdLPr(uid); 10351 if (obj instanceof SharedUserSetting) { 10352 final SharedUserSetting sus = (SharedUserSetting) obj; 10353 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10354 final Iterator<PackageSetting> it = sus.packages.iterator(); 10355 while (it.hasNext()) { 10356 final PackageSetting ps = it.next(); 10357 if (ps.pkg != null) { 10358 int v = ps.pkg.applicationInfo.targetSdkVersion; 10359 if (v < vers) vers = v; 10360 } 10361 } 10362 return vers; 10363 } else if (obj instanceof PackageSetting) { 10364 final PackageSetting ps = (PackageSetting) obj; 10365 if (ps.pkg != null) { 10366 return ps.pkg.applicationInfo.targetSdkVersion; 10367 } 10368 } 10369 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10370 } 10371 10372 public void addPreferredActivity(IntentFilter filter, int match, 10373 ComponentName[] set, ComponentName activity, int userId) { 10374 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10375 } 10376 10377 private void addPreferredActivityInternal(IntentFilter filter, int match, 10378 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10379 // writer 10380 int callingUid = Binder.getCallingUid(); 10381 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10382 if (filter.countActions() == 0) { 10383 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10384 return; 10385 } 10386 synchronized (mPackages) { 10387 if (mContext.checkCallingOrSelfPermission( 10388 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10389 != PackageManager.PERMISSION_GRANTED) { 10390 if (getUidTargetSdkVersionLockedLPr(callingUid) 10391 < Build.VERSION_CODES.FROYO) { 10392 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10393 + callingUid); 10394 return; 10395 } 10396 mContext.enforceCallingOrSelfPermission( 10397 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10398 } 10399 10400 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10401 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10402 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10403 new PreferredActivity(filter, match, set, activity, always)); 10404 mSettings.writePackageRestrictionsLPr(userId); 10405 } 10406 } 10407 10408 public void replacePreferredActivity(IntentFilter filter, int match, 10409 ComponentName[] set, ComponentName activity) { 10410 if (filter.countActions() != 1) { 10411 throw new IllegalArgumentException( 10412 "replacePreferredActivity expects filter to have only 1 action."); 10413 } 10414 if (filter.countDataAuthorities() != 0 10415 || filter.countDataPaths() != 0 10416 || filter.countDataSchemes() > 1 10417 || filter.countDataTypes() != 0) { 10418 throw new IllegalArgumentException( 10419 "replacePreferredActivity expects filter to have no data authorities, " + 10420 "paths, or types; and at most one scheme."); 10421 } 10422 synchronized (mPackages) { 10423 if (mContext.checkCallingOrSelfPermission( 10424 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10425 != PackageManager.PERMISSION_GRANTED) { 10426 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10427 < Build.VERSION_CODES.FROYO) { 10428 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10429 + Binder.getCallingUid()); 10430 return; 10431 } 10432 mContext.enforceCallingOrSelfPermission( 10433 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10434 } 10435 10436 final int callingUserId = UserHandle.getCallingUserId(); 10437 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10438 if (pir != null) { 10439 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10440 if (filter.countDataSchemes() == 1) { 10441 Uri.Builder builder = new Uri.Builder(); 10442 builder.scheme(filter.getDataScheme(0)); 10443 intent.setData(builder.build()); 10444 } 10445 List<PreferredActivity> matches = pir.queryIntent( 10446 intent, null, true, callingUserId); 10447 if (DEBUG_PREFERRED) { 10448 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10449 } 10450 for (int i = 0; i < matches.size(); i++) { 10451 PreferredActivity pa = matches.get(i); 10452 if (DEBUG_PREFERRED) { 10453 Slog.i(TAG, "Removing preferred activity " 10454 + pa.mPref.mComponent + ":"); 10455 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10456 } 10457 pir.removeFilter(pa); 10458 } 10459 } 10460 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10461 } 10462 } 10463 10464 public void clearPackagePreferredActivities(String packageName) { 10465 final int uid = Binder.getCallingUid(); 10466 // writer 10467 synchronized (mPackages) { 10468 PackageParser.Package pkg = mPackages.get(packageName); 10469 if (pkg == null || pkg.applicationInfo.uid != uid) { 10470 if (mContext.checkCallingOrSelfPermission( 10471 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10472 != PackageManager.PERMISSION_GRANTED) { 10473 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10474 < Build.VERSION_CODES.FROYO) { 10475 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10476 + Binder.getCallingUid()); 10477 return; 10478 } 10479 mContext.enforceCallingOrSelfPermission( 10480 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10481 } 10482 } 10483 10484 int user = UserHandle.getCallingUserId(); 10485 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10486 mSettings.writePackageRestrictionsLPr(user); 10487 scheduleWriteSettingsLocked(); 10488 } 10489 } 10490 } 10491 10492 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10493 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10494 ArrayList<PreferredActivity> removed = null; 10495 boolean changed = false; 10496 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10497 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10498 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10499 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10500 continue; 10501 } 10502 Iterator<PreferredActivity> it = pir.filterIterator(); 10503 while (it.hasNext()) { 10504 PreferredActivity pa = it.next(); 10505 // Mark entry for removal only if it matches the package name 10506 // and the entry is of type "always". 10507 if (packageName == null || 10508 (pa.mPref.mComponent.getPackageName().equals(packageName) 10509 && pa.mPref.mAlways)) { 10510 if (removed == null) { 10511 removed = new ArrayList<PreferredActivity>(); 10512 } 10513 removed.add(pa); 10514 } 10515 } 10516 if (removed != null) { 10517 for (int j=0; j<removed.size(); j++) { 10518 PreferredActivity pa = removed.get(j); 10519 pir.removeFilter(pa); 10520 } 10521 changed = true; 10522 } 10523 } 10524 return changed; 10525 } 10526 10527 public void resetPreferredActivities(int userId) { 10528 mContext.enforceCallingOrSelfPermission( 10529 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10530 // writer 10531 synchronized (mPackages) { 10532 int user = UserHandle.getCallingUserId(); 10533 clearPackagePreferredActivitiesLPw(null, user); 10534 mSettings.readDefaultPreferredAppsLPw(this, user); 10535 mSettings.writePackageRestrictionsLPr(user); 10536 scheduleWriteSettingsLocked(); 10537 } 10538 } 10539 10540 public int getPreferredActivities(List<IntentFilter> outFilters, 10541 List<ComponentName> outActivities, String packageName) { 10542 10543 int num = 0; 10544 final int userId = UserHandle.getCallingUserId(); 10545 // reader 10546 synchronized (mPackages) { 10547 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10548 if (pir != null) { 10549 final Iterator<PreferredActivity> it = pir.filterIterator(); 10550 while (it.hasNext()) { 10551 final PreferredActivity pa = it.next(); 10552 if (packageName == null 10553 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10554 && pa.mPref.mAlways)) { 10555 if (outFilters != null) { 10556 outFilters.add(new IntentFilter(pa)); 10557 } 10558 if (outActivities != null) { 10559 outActivities.add(pa.mPref.mComponent); 10560 } 10561 } 10562 } 10563 } 10564 } 10565 10566 return num; 10567 } 10568 10569 @Override 10570 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10571 Intent intent = new Intent(Intent.ACTION_MAIN); 10572 intent.addCategory(Intent.CATEGORY_HOME); 10573 10574 final int callingUserId = UserHandle.getCallingUserId(); 10575 List<ResolveInfo> list = queryIntentActivities(intent, null, 10576 PackageManager.GET_META_DATA, callingUserId); 10577 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10578 true, false, false, callingUserId); 10579 10580 allHomeCandidates.clear(); 10581 if (list != null) { 10582 for (ResolveInfo ri : list) { 10583 allHomeCandidates.add(ri); 10584 } 10585 } 10586 return (preferred == null || preferred.activityInfo == null) 10587 ? null 10588 : new ComponentName(preferred.activityInfo.packageName, 10589 preferred.activityInfo.name); 10590 } 10591 10592 @Override 10593 public void setApplicationEnabledSetting(String appPackageName, 10594 int newState, int flags, int userId, String callingPackage) { 10595 if (!sUserManager.exists(userId)) return; 10596 if (callingPackage == null) { 10597 callingPackage = Integer.toString(Binder.getCallingUid()); 10598 } 10599 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10600 } 10601 10602 @Override 10603 public void setComponentEnabledSetting(ComponentName componentName, 10604 int newState, int flags, int userId) { 10605 if (!sUserManager.exists(userId)) return; 10606 setEnabledSetting(componentName.getPackageName(), 10607 componentName.getClassName(), newState, flags, userId, null); 10608 } 10609 10610 private void setEnabledSetting(final String packageName, String className, int newState, 10611 final int flags, int userId, String callingPackage) { 10612 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10613 || newState == COMPONENT_ENABLED_STATE_ENABLED 10614 || newState == COMPONENT_ENABLED_STATE_DISABLED 10615 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10616 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10617 throw new IllegalArgumentException("Invalid new component state: " 10618 + newState); 10619 } 10620 PackageSetting pkgSetting; 10621 final int uid = Binder.getCallingUid(); 10622 final int permission = mContext.checkCallingOrSelfPermission( 10623 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10624 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10625 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10626 boolean sendNow = false; 10627 boolean isApp = (className == null); 10628 String componentName = isApp ? packageName : className; 10629 int packageUid = -1; 10630 ArrayList<String> components; 10631 10632 // writer 10633 synchronized (mPackages) { 10634 pkgSetting = mSettings.mPackages.get(packageName); 10635 if (pkgSetting == null) { 10636 if (className == null) { 10637 throw new IllegalArgumentException( 10638 "Unknown package: " + packageName); 10639 } 10640 throw new IllegalArgumentException( 10641 "Unknown component: " + packageName 10642 + "/" + className); 10643 } 10644 // Allow root and verify that userId is not being specified by a different user 10645 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10646 throw new SecurityException( 10647 "Permission Denial: attempt to change component state from pid=" 10648 + Binder.getCallingPid() 10649 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10650 } 10651 if (className == null) { 10652 // We're dealing with an application/package level state change 10653 if (pkgSetting.getEnabled(userId) == newState) { 10654 // Nothing to do 10655 return; 10656 } 10657 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10658 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10659 // Don't care about who enables an app. 10660 callingPackage = null; 10661 } 10662 pkgSetting.setEnabled(newState, userId, callingPackage); 10663 // pkgSetting.pkg.mSetEnabled = newState; 10664 } else { 10665 // We're dealing with a component level state change 10666 // First, verify that this is a valid class name. 10667 PackageParser.Package pkg = pkgSetting.pkg; 10668 if (pkg == null || !pkg.hasComponentClassName(className)) { 10669 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10670 throw new IllegalArgumentException("Component class " + className 10671 + " does not exist in " + packageName); 10672 } else { 10673 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10674 + className + " does not exist in " + packageName); 10675 } 10676 } 10677 switch (newState) { 10678 case COMPONENT_ENABLED_STATE_ENABLED: 10679 if (!pkgSetting.enableComponentLPw(className, userId)) { 10680 return; 10681 } 10682 break; 10683 case COMPONENT_ENABLED_STATE_DISABLED: 10684 if (!pkgSetting.disableComponentLPw(className, userId)) { 10685 return; 10686 } 10687 break; 10688 case COMPONENT_ENABLED_STATE_DEFAULT: 10689 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10690 return; 10691 } 10692 break; 10693 default: 10694 Slog.e(TAG, "Invalid new component state: " + newState); 10695 return; 10696 } 10697 } 10698 mSettings.writePackageRestrictionsLPr(userId); 10699 components = mPendingBroadcasts.get(userId, packageName); 10700 final boolean newPackage = components == null; 10701 if (newPackage) { 10702 components = new ArrayList<String>(); 10703 } 10704 if (!components.contains(componentName)) { 10705 components.add(componentName); 10706 } 10707 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10708 sendNow = true; 10709 // Purge entry from pending broadcast list if another one exists already 10710 // since we are sending one right away. 10711 mPendingBroadcasts.remove(userId, packageName); 10712 } else { 10713 if (newPackage) { 10714 mPendingBroadcasts.put(userId, packageName, components); 10715 } 10716 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10717 // Schedule a message 10718 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10719 } 10720 } 10721 } 10722 10723 long callingId = Binder.clearCallingIdentity(); 10724 try { 10725 if (sendNow) { 10726 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10727 sendPackageChangedBroadcast(packageName, 10728 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10729 } 10730 } finally { 10731 Binder.restoreCallingIdentity(callingId); 10732 } 10733 } 10734 10735 private void sendPackageChangedBroadcast(String packageName, 10736 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10737 if (DEBUG_INSTALL) 10738 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10739 + componentNames); 10740 Bundle extras = new Bundle(4); 10741 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10742 String nameList[] = new String[componentNames.size()]; 10743 componentNames.toArray(nameList); 10744 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10745 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10746 extras.putInt(Intent.EXTRA_UID, packageUid); 10747 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10748 new int[] {UserHandle.getUserId(packageUid)}); 10749 } 10750 10751 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10752 if (!sUserManager.exists(userId)) return; 10753 final int uid = Binder.getCallingUid(); 10754 final int permission = mContext.checkCallingOrSelfPermission( 10755 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10756 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10757 enforceCrossUserPermission(uid, userId, true, "stop package"); 10758 // writer 10759 synchronized (mPackages) { 10760 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10761 uid, userId)) { 10762 scheduleWritePackageRestrictionsLocked(userId); 10763 } 10764 } 10765 } 10766 10767 public String getInstallerPackageName(String packageName) { 10768 // reader 10769 synchronized (mPackages) { 10770 return mSettings.getInstallerPackageNameLPr(packageName); 10771 } 10772 } 10773 10774 @Override 10775 public int getApplicationEnabledSetting(String packageName, int userId) { 10776 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10777 int uid = Binder.getCallingUid(); 10778 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10779 // reader 10780 synchronized (mPackages) { 10781 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10782 } 10783 } 10784 10785 @Override 10786 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10787 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10788 int uid = Binder.getCallingUid(); 10789 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10790 // reader 10791 synchronized (mPackages) { 10792 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10793 } 10794 } 10795 10796 public void enterSafeMode() { 10797 enforceSystemOrRoot("Only the system can request entering safe mode"); 10798 10799 if (!mSystemReady) { 10800 mSafeMode = true; 10801 } 10802 } 10803 10804 public void systemReady() { 10805 mSystemReady = true; 10806 10807 // Read the compatibilty setting when the system is ready. 10808 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10809 mContext.getContentResolver(), 10810 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10811 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10812 if (DEBUG_SETTINGS) { 10813 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10814 } 10815 10816 synchronized (mPackages) { 10817 // Verify that all of the preferred activity components actually 10818 // exist. It is possible for applications to be updated and at 10819 // that point remove a previously declared activity component that 10820 // had been set as a preferred activity. We try to clean this up 10821 // the next time we encounter that preferred activity, but it is 10822 // possible for the user flow to never be able to return to that 10823 // situation so here we do a sanity check to make sure we haven't 10824 // left any junk around. 10825 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10826 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10827 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10828 removed.clear(); 10829 for (PreferredActivity pa : pir.filterSet()) { 10830 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10831 removed.add(pa); 10832 } 10833 } 10834 if (removed.size() > 0) { 10835 for (int j=0; j<removed.size(); j++) { 10836 PreferredActivity pa = removed.get(i); 10837 Slog.w(TAG, "Removing dangling preferred activity: " 10838 + pa.mPref.mComponent); 10839 pir.removeFilter(pa); 10840 } 10841 mSettings.writePackageRestrictionsLPr( 10842 mSettings.mPreferredActivities.keyAt(i)); 10843 } 10844 } 10845 } 10846 sUserManager.systemReady(); 10847 } 10848 10849 public boolean isSafeMode() { 10850 return mSafeMode; 10851 } 10852 10853 public boolean hasSystemUidErrors() { 10854 return mHasSystemUidErrors; 10855 } 10856 10857 static String arrayToString(int[] array) { 10858 StringBuffer buf = new StringBuffer(128); 10859 buf.append('['); 10860 if (array != null) { 10861 for (int i=0; i<array.length; i++) { 10862 if (i > 0) buf.append(", "); 10863 buf.append(array[i]); 10864 } 10865 } 10866 buf.append(']'); 10867 return buf.toString(); 10868 } 10869 10870 static class DumpState { 10871 public static final int DUMP_LIBS = 1 << 0; 10872 10873 public static final int DUMP_FEATURES = 1 << 1; 10874 10875 public static final int DUMP_RESOLVERS = 1 << 2; 10876 10877 public static final int DUMP_PERMISSIONS = 1 << 3; 10878 10879 public static final int DUMP_PACKAGES = 1 << 4; 10880 10881 public static final int DUMP_SHARED_USERS = 1 << 5; 10882 10883 public static final int DUMP_MESSAGES = 1 << 6; 10884 10885 public static final int DUMP_PROVIDERS = 1 << 7; 10886 10887 public static final int DUMP_VERIFIERS = 1 << 8; 10888 10889 public static final int DUMP_PREFERRED = 1 << 9; 10890 10891 public static final int DUMP_PREFERRED_XML = 1 << 10; 10892 10893 public static final int DUMP_KEYSETS = 1 << 11; 10894 10895 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10896 10897 private int mTypes; 10898 10899 private int mOptions; 10900 10901 private boolean mTitlePrinted; 10902 10903 private SharedUserSetting mSharedUser; 10904 10905 public boolean isDumping(int type) { 10906 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10907 return true; 10908 } 10909 10910 return (mTypes & type) != 0; 10911 } 10912 10913 public void setDump(int type) { 10914 mTypes |= type; 10915 } 10916 10917 public boolean isOptionEnabled(int option) { 10918 return (mOptions & option) != 0; 10919 } 10920 10921 public void setOptionEnabled(int option) { 10922 mOptions |= option; 10923 } 10924 10925 public boolean onTitlePrinted() { 10926 final boolean printed = mTitlePrinted; 10927 mTitlePrinted = true; 10928 return printed; 10929 } 10930 10931 public boolean getTitlePrinted() { 10932 return mTitlePrinted; 10933 } 10934 10935 public void setTitlePrinted(boolean enabled) { 10936 mTitlePrinted = enabled; 10937 } 10938 10939 public SharedUserSetting getSharedUser() { 10940 return mSharedUser; 10941 } 10942 10943 public void setSharedUser(SharedUserSetting user) { 10944 mSharedUser = user; 10945 } 10946 } 10947 10948 @Override 10949 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10950 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10951 != PackageManager.PERMISSION_GRANTED) { 10952 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10953 + Binder.getCallingPid() 10954 + ", uid=" + Binder.getCallingUid() 10955 + " without permission " 10956 + android.Manifest.permission.DUMP); 10957 return; 10958 } 10959 10960 DumpState dumpState = new DumpState(); 10961 boolean fullPreferred = false; 10962 boolean checkin = false; 10963 10964 String packageName = null; 10965 10966 int opti = 0; 10967 while (opti < args.length) { 10968 String opt = args[opti]; 10969 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10970 break; 10971 } 10972 opti++; 10973 if ("-a".equals(opt)) { 10974 // Right now we only know how to print all. 10975 } else if ("-h".equals(opt)) { 10976 pw.println("Package manager dump options:"); 10977 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 10978 pw.println(" --checkin: dump for a checkin"); 10979 pw.println(" -f: print details of intent filters"); 10980 pw.println(" -h: print this help"); 10981 pw.println(" cmd may be one of:"); 10982 pw.println(" l[ibraries]: list known shared libraries"); 10983 pw.println(" f[ibraries]: list device features"); 10984 pw.println(" r[esolvers]: dump intent resolvers"); 10985 pw.println(" perm[issions]: dump permissions"); 10986 pw.println(" pref[erred]: print preferred package settings"); 10987 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10988 pw.println(" prov[iders]: dump content providers"); 10989 pw.println(" p[ackages]: dump installed packages"); 10990 pw.println(" s[hared-users]: dump shared user IDs"); 10991 pw.println(" m[essages]: print collected runtime messages"); 10992 pw.println(" v[erifiers]: print package verifier info"); 10993 pw.println(" <package.name>: info about given package"); 10994 pw.println(" k[eysets]: print known keysets"); 10995 return; 10996 } else if ("--checkin".equals(opt)) { 10997 checkin = true; 10998 } else if ("-f".equals(opt)) { 10999 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11000 } else { 11001 pw.println("Unknown argument: " + opt + "; use -h for help"); 11002 } 11003 } 11004 11005 // Is the caller requesting to dump a particular piece of data? 11006 if (opti < args.length) { 11007 String cmd = args[opti]; 11008 opti++; 11009 // Is this a package name? 11010 if ("android".equals(cmd) || cmd.contains(".")) { 11011 packageName = cmd; 11012 // When dumping a single package, we always dump all of its 11013 // filter information since the amount of data will be reasonable. 11014 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11015 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11016 dumpState.setDump(DumpState.DUMP_LIBS); 11017 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11018 dumpState.setDump(DumpState.DUMP_FEATURES); 11019 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11020 dumpState.setDump(DumpState.DUMP_RESOLVERS); 11021 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 11022 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 11023 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 11024 dumpState.setDump(DumpState.DUMP_PREFERRED); 11025 } else if ("preferred-xml".equals(cmd)) { 11026 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 11027 if (opti < args.length && "--full".equals(args[opti])) { 11028 fullPreferred = true; 11029 opti++; 11030 } 11031 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 11032 dumpState.setDump(DumpState.DUMP_PACKAGES); 11033 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 11034 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 11035 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 11036 dumpState.setDump(DumpState.DUMP_PROVIDERS); 11037 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 11038 dumpState.setDump(DumpState.DUMP_MESSAGES); 11039 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 11040 dumpState.setDump(DumpState.DUMP_VERIFIERS); 11041 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 11042 dumpState.setDump(DumpState.DUMP_KEYSETS); 11043 } 11044 } 11045 11046 if (checkin) { 11047 pw.println("vers,1"); 11048 } 11049 11050 // reader 11051 synchronized (mPackages) { 11052 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 11053 if (!checkin) { 11054 if (dumpState.onTitlePrinted()) 11055 pw.println(); 11056 pw.println("Verifiers:"); 11057 pw.print(" Required: "); 11058 pw.print(mRequiredVerifierPackage); 11059 pw.print(" (uid="); 11060 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 11061 pw.println(")"); 11062 } else if (mRequiredVerifierPackage != null) { 11063 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 11064 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 11065 } 11066 } 11067 11068 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11069 boolean printedHeader = false; 11070 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11071 while (it.hasNext()) { 11072 String name = it.next(); 11073 SharedLibraryEntry ent = mSharedLibraries.get(name); 11074 if (!checkin) { 11075 if (!printedHeader) { 11076 if (dumpState.onTitlePrinted()) 11077 pw.println(); 11078 pw.println("Libraries:"); 11079 printedHeader = true; 11080 } 11081 pw.print(" "); 11082 } else { 11083 pw.print("lib,"); 11084 } 11085 pw.print(name); 11086 if (!checkin) { 11087 pw.print(" -> "); 11088 } 11089 if (ent.path != null) { 11090 if (!checkin) { 11091 pw.print("(jar) "); 11092 pw.print(ent.path); 11093 } else { 11094 pw.print(",jar,"); 11095 pw.print(ent.path); 11096 } 11097 } else { 11098 if (!checkin) { 11099 pw.print("(apk) "); 11100 pw.print(ent.apk); 11101 } else { 11102 pw.print(",apk,"); 11103 pw.print(ent.apk); 11104 } 11105 } 11106 pw.println(); 11107 } 11108 } 11109 11110 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11111 if (dumpState.onTitlePrinted()) 11112 pw.println(); 11113 if (!checkin) { 11114 pw.println("Features:"); 11115 } 11116 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11117 while (it.hasNext()) { 11118 String name = it.next(); 11119 if (!checkin) { 11120 pw.print(" "); 11121 } else { 11122 pw.print("feat,"); 11123 } 11124 pw.println(name); 11125 } 11126 } 11127 11128 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11129 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11130 : "Activity Resolver Table:", " ", packageName, 11131 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11132 dumpState.setTitlePrinted(true); 11133 } 11134 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11135 : "Receiver Resolver Table:", " ", packageName, 11136 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11137 dumpState.setTitlePrinted(true); 11138 } 11139 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11140 : "Service Resolver Table:", " ", packageName, 11141 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11142 dumpState.setTitlePrinted(true); 11143 } 11144 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11145 : "Provider Resolver Table:", " ", packageName, 11146 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11147 dumpState.setTitlePrinted(true); 11148 } 11149 } 11150 11151 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11152 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11153 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11154 int user = mSettings.mPreferredActivities.keyAt(i); 11155 if (pir.dump(pw, 11156 dumpState.getTitlePrinted() 11157 ? "\nPreferred Activities User " + user + ":" 11158 : "Preferred Activities User " + user + ":", " ", 11159 packageName, true)) { 11160 dumpState.setTitlePrinted(true); 11161 } 11162 } 11163 } 11164 11165 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11166 pw.flush(); 11167 FileOutputStream fout = new FileOutputStream(fd); 11168 BufferedOutputStream str = new BufferedOutputStream(fout); 11169 XmlSerializer serializer = new FastXmlSerializer(); 11170 try { 11171 serializer.setOutput(str, "utf-8"); 11172 serializer.startDocument(null, true); 11173 serializer.setFeature( 11174 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11175 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11176 serializer.endDocument(); 11177 serializer.flush(); 11178 } catch (IllegalArgumentException e) { 11179 pw.println("Failed writing: " + e); 11180 } catch (IllegalStateException e) { 11181 pw.println("Failed writing: " + e); 11182 } catch (IOException e) { 11183 pw.println("Failed writing: " + e); 11184 } 11185 } 11186 11187 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11188 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11189 } 11190 11191 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11192 boolean printedSomething = false; 11193 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11194 if (packageName != null && !packageName.equals(p.info.packageName)) { 11195 continue; 11196 } 11197 if (!printedSomething) { 11198 if (dumpState.onTitlePrinted()) 11199 pw.println(); 11200 pw.println("Registered ContentProviders:"); 11201 printedSomething = true; 11202 } 11203 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11204 pw.print(" "); pw.println(p.toString()); 11205 } 11206 printedSomething = false; 11207 for (Map.Entry<String, PackageParser.Provider> entry : 11208 mProvidersByAuthority.entrySet()) { 11209 PackageParser.Provider p = entry.getValue(); 11210 if (packageName != null && !packageName.equals(p.info.packageName)) { 11211 continue; 11212 } 11213 if (!printedSomething) { 11214 if (dumpState.onTitlePrinted()) 11215 pw.println(); 11216 pw.println("ContentProvider Authorities:"); 11217 printedSomething = true; 11218 } 11219 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11220 pw.print(" "); pw.println(p.toString()); 11221 if (p.info != null && p.info.applicationInfo != null) { 11222 final String appInfo = p.info.applicationInfo.toString(); 11223 pw.print(" applicationInfo="); pw.println(appInfo); 11224 } 11225 } 11226 } 11227 11228 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11229 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11230 } 11231 11232 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11233 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11234 } 11235 11236 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11237 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11238 } 11239 11240 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11241 if (dumpState.onTitlePrinted()) 11242 pw.println(); 11243 mSettings.dumpReadMessagesLPr(pw, dumpState); 11244 11245 pw.println(); 11246 pw.println("Package warning messages:"); 11247 final File fname = getSettingsProblemFile(); 11248 FileInputStream in = null; 11249 try { 11250 in = new FileInputStream(fname); 11251 final int avail = in.available(); 11252 final byte[] data = new byte[avail]; 11253 in.read(data); 11254 pw.print(new String(data)); 11255 } catch (FileNotFoundException e) { 11256 } catch (IOException e) { 11257 } finally { 11258 if (in != null) { 11259 try { 11260 in.close(); 11261 } catch (IOException e) { 11262 } 11263 } 11264 } 11265 } 11266 } 11267 } 11268 11269 // ------- apps on sdcard specific code ------- 11270 static final boolean DEBUG_SD_INSTALL = false; 11271 11272 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11273 11274 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11275 11276 private boolean mMediaMounted = false; 11277 11278 private String getEncryptKey() { 11279 try { 11280 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11281 SD_ENCRYPTION_KEYSTORE_NAME); 11282 if (sdEncKey == null) { 11283 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11284 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11285 if (sdEncKey == null) { 11286 Slog.e(TAG, "Failed to create encryption keys"); 11287 return null; 11288 } 11289 } 11290 return sdEncKey; 11291 } catch (NoSuchAlgorithmException nsae) { 11292 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11293 return null; 11294 } catch (IOException ioe) { 11295 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11296 return null; 11297 } 11298 11299 } 11300 11301 /* package */static String getTempContainerId() { 11302 int tmpIdx = 1; 11303 String list[] = PackageHelper.getSecureContainerList(); 11304 if (list != null) { 11305 for (final String name : list) { 11306 // Ignore null and non-temporary container entries 11307 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11308 continue; 11309 } 11310 11311 String subStr = name.substring(mTempContainerPrefix.length()); 11312 try { 11313 int cid = Integer.parseInt(subStr); 11314 if (cid >= tmpIdx) { 11315 tmpIdx = cid + 1; 11316 } 11317 } catch (NumberFormatException e) { 11318 } 11319 } 11320 } 11321 return mTempContainerPrefix + tmpIdx; 11322 } 11323 11324 /* 11325 * Update media status on PackageManager. 11326 */ 11327 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11328 int callingUid = Binder.getCallingUid(); 11329 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11330 throw new SecurityException("Media status can only be updated by the system"); 11331 } 11332 // reader; this apparently protects mMediaMounted, but should probably 11333 // be a different lock in that case. 11334 synchronized (mPackages) { 11335 Log.i(TAG, "Updating external media status from " 11336 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11337 + (mediaStatus ? "mounted" : "unmounted")); 11338 if (DEBUG_SD_INSTALL) 11339 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11340 + ", mMediaMounted=" + mMediaMounted); 11341 if (mediaStatus == mMediaMounted) { 11342 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11343 : 0, -1); 11344 mHandler.sendMessage(msg); 11345 return; 11346 } 11347 mMediaMounted = mediaStatus; 11348 } 11349 // Queue up an async operation since the package installation may take a 11350 // little while. 11351 mHandler.post(new Runnable() { 11352 public void run() { 11353 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11354 } 11355 }); 11356 } 11357 11358 /** 11359 * Called by MountService when the initial ASECs to scan are available. 11360 * Should block until all the ASEC containers are finished being scanned. 11361 */ 11362 public void scanAvailableAsecs() { 11363 updateExternalMediaStatusInner(true, false, false); 11364 if (mShouldRestoreconData) { 11365 SELinuxMMAC.setRestoreconDone(); 11366 mShouldRestoreconData = false; 11367 } 11368 } 11369 11370 /* 11371 * Collect information of applications on external media, map them against 11372 * existing containers and update information based on current mount status. 11373 * Please note that we always have to report status if reportStatus has been 11374 * set to true especially when unloading packages. 11375 */ 11376 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11377 boolean externalStorage) { 11378 // Collection of uids 11379 int uidArr[] = null; 11380 // Collection of stale containers 11381 HashSet<String> removeCids = new HashSet<String>(); 11382 // Collection of packages on external media with valid containers. 11383 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11384 // Get list of secure containers. 11385 final String list[] = PackageHelper.getSecureContainerList(); 11386 if (list == null || list.length == 0) { 11387 Log.i(TAG, "No secure containers on sdcard"); 11388 } else { 11389 // Process list of secure containers and categorize them 11390 // as active or stale based on their package internal state. 11391 int uidList[] = new int[list.length]; 11392 int num = 0; 11393 // reader 11394 synchronized (mPackages) { 11395 for (String cid : list) { 11396 if (DEBUG_SD_INSTALL) 11397 Log.i(TAG, "Processing container " + cid); 11398 String pkgName = getAsecPackageName(cid); 11399 if (pkgName == null) { 11400 if (DEBUG_SD_INSTALL) 11401 Log.i(TAG, "Container : " + cid + " stale"); 11402 removeCids.add(cid); 11403 continue; 11404 } 11405 if (DEBUG_SD_INSTALL) 11406 Log.i(TAG, "Looking for pkg : " + pkgName); 11407 11408 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11409 if (ps == null) { 11410 Log.i(TAG, "Deleting container with no matching settings " + cid); 11411 removeCids.add(cid); 11412 continue; 11413 } 11414 11415 /* 11416 * Skip packages that are not external if we're unmounting 11417 * external storage. 11418 */ 11419 if (externalStorage && !isMounted && !isExternal(ps)) { 11420 continue; 11421 } 11422 11423 final AsecInstallArgs args = new AsecInstallArgs(cid, 11424 getAppInstructionSetFromSettings(ps), 11425 isForwardLocked(ps)); 11426 // The package status is changed only if the code path 11427 // matches between settings and the container id. 11428 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11429 if (DEBUG_SD_INSTALL) { 11430 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11431 + " at code path: " + ps.codePathString); 11432 } 11433 11434 // We do have a valid package installed on sdcard 11435 processCids.put(args, ps.codePathString); 11436 final int uid = ps.appId; 11437 if (uid != -1) { 11438 uidList[num++] = uid; 11439 } 11440 } else { 11441 Log.i(TAG, "Deleting stale container for " + cid); 11442 removeCids.add(cid); 11443 } 11444 } 11445 } 11446 11447 if (num > 0) { 11448 // Sort uid list 11449 Arrays.sort(uidList, 0, num); 11450 // Throw away duplicates 11451 uidArr = new int[num]; 11452 uidArr[0] = uidList[0]; 11453 int di = 0; 11454 for (int i = 1; i < num; i++) { 11455 if (uidList[i - 1] != uidList[i]) { 11456 uidArr[di++] = uidList[i]; 11457 } 11458 } 11459 } 11460 } 11461 // Process packages with valid entries. 11462 if (isMounted) { 11463 if (DEBUG_SD_INSTALL) 11464 Log.i(TAG, "Loading packages"); 11465 loadMediaPackages(processCids, uidArr, removeCids); 11466 startCleaningPackages(); 11467 } else { 11468 if (DEBUG_SD_INSTALL) 11469 Log.i(TAG, "Unloading packages"); 11470 unloadMediaPackages(processCids, uidArr, reportStatus); 11471 } 11472 } 11473 11474 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11475 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11476 int size = pkgList.size(); 11477 if (size > 0) { 11478 // Send broadcasts here 11479 Bundle extras = new Bundle(); 11480 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11481 .toArray(new String[size])); 11482 if (uidArr != null) { 11483 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11484 } 11485 if (replacing) { 11486 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11487 } 11488 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11489 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11490 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11491 } 11492 } 11493 11494 /* 11495 * Look at potentially valid container ids from processCids If package 11496 * information doesn't match the one on record or package scanning fails, 11497 * the cid is added to list of removeCids. We currently don't delete stale 11498 * containers. 11499 */ 11500 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11501 HashSet<String> removeCids) { 11502 ArrayList<String> pkgList = new ArrayList<String>(); 11503 Set<AsecInstallArgs> keys = processCids.keySet(); 11504 boolean doGc = false; 11505 for (AsecInstallArgs args : keys) { 11506 String codePath = processCids.get(args); 11507 if (DEBUG_SD_INSTALL) 11508 Log.i(TAG, "Loading container : " + args.cid); 11509 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11510 try { 11511 // Make sure there are no container errors first. 11512 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11513 Slog.e(TAG, "Failed to mount cid : " + args.cid 11514 + " when installing from sdcard"); 11515 continue; 11516 } 11517 // Check code path here. 11518 if (codePath == null || !codePath.equals(args.getCodePath())) { 11519 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11520 + " does not match one in settings " + codePath); 11521 continue; 11522 } 11523 // Parse package 11524 int parseFlags = mDefParseFlags; 11525 if (args.isExternal()) { 11526 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11527 } 11528 if (args.isFwdLocked()) { 11529 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11530 } 11531 11532 doGc = true; 11533 synchronized (mInstallLock) { 11534 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11535 0, 0, null); 11536 // Scan the package 11537 if (pkg != null) { 11538 /* 11539 * TODO why is the lock being held? doPostInstall is 11540 * called in other places without the lock. This needs 11541 * to be straightened out. 11542 */ 11543 // writer 11544 synchronized (mPackages) { 11545 retCode = PackageManager.INSTALL_SUCCEEDED; 11546 pkgList.add(pkg.packageName); 11547 // Post process args 11548 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11549 pkg.applicationInfo.uid); 11550 } 11551 } else { 11552 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11553 } 11554 } 11555 11556 } finally { 11557 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11558 // Don't destroy container here. Wait till gc clears things 11559 // up. 11560 removeCids.add(args.cid); 11561 } 11562 } 11563 } 11564 // writer 11565 synchronized (mPackages) { 11566 // If the platform SDK has changed since the last time we booted, 11567 // we need to re-grant app permission to catch any new ones that 11568 // appear. This is really a hack, and means that apps can in some 11569 // cases get permissions that the user didn't initially explicitly 11570 // allow... it would be nice to have some better way to handle 11571 // this situation. 11572 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11573 if (regrantPermissions) 11574 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11575 + mSdkVersion + "; regranting permissions for external storage"); 11576 mSettings.mExternalSdkPlatform = mSdkVersion; 11577 11578 // Make sure group IDs have been assigned, and any permission 11579 // changes in other apps are accounted for 11580 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11581 | (regrantPermissions 11582 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11583 : 0)); 11584 // can downgrade to reader 11585 // Persist settings 11586 mSettings.writeLPr(); 11587 } 11588 // Send a broadcast to let everyone know we are done processing 11589 if (pkgList.size() > 0) { 11590 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11591 } 11592 // Force gc to avoid any stale parser references that we might have. 11593 if (doGc) { 11594 Runtime.getRuntime().gc(); 11595 } 11596 // List stale containers and destroy stale temporary containers. 11597 if (removeCids != null) { 11598 for (String cid : removeCids) { 11599 if (cid.startsWith(mTempContainerPrefix)) { 11600 Log.i(TAG, "Destroying stale temporary container " + cid); 11601 PackageHelper.destroySdDir(cid); 11602 } else { 11603 Log.w(TAG, "Container " + cid + " is stale"); 11604 } 11605 } 11606 } 11607 } 11608 11609 /* 11610 * Utility method to unload a list of specified containers 11611 */ 11612 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11613 // Just unmount all valid containers. 11614 for (AsecInstallArgs arg : cidArgs) { 11615 synchronized (mInstallLock) { 11616 arg.doPostDeleteLI(false); 11617 } 11618 } 11619 } 11620 11621 /* 11622 * Unload packages mounted on external media. This involves deleting package 11623 * data from internal structures, sending broadcasts about diabled packages, 11624 * gc'ing to free up references, unmounting all secure containers 11625 * corresponding to packages on external media, and posting a 11626 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11627 * that we always have to post this message if status has been requested no 11628 * matter what. 11629 */ 11630 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11631 final boolean reportStatus) { 11632 if (DEBUG_SD_INSTALL) 11633 Log.i(TAG, "unloading media packages"); 11634 ArrayList<String> pkgList = new ArrayList<String>(); 11635 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11636 final Set<AsecInstallArgs> keys = processCids.keySet(); 11637 for (AsecInstallArgs args : keys) { 11638 String pkgName = args.getPackageName(); 11639 if (DEBUG_SD_INSTALL) 11640 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11641 // Delete package internally 11642 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11643 synchronized (mInstallLock) { 11644 boolean res = deletePackageLI(pkgName, null, false, null, null, 11645 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11646 if (res) { 11647 pkgList.add(pkgName); 11648 } else { 11649 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11650 failedList.add(args); 11651 } 11652 } 11653 } 11654 11655 // reader 11656 synchronized (mPackages) { 11657 // We didn't update the settings after removing each package; 11658 // write them now for all packages. 11659 mSettings.writeLPr(); 11660 } 11661 11662 // We have to absolutely send UPDATED_MEDIA_STATUS only 11663 // after confirming that all the receivers processed the ordered 11664 // broadcast when packages get disabled, force a gc to clean things up. 11665 // and unload all the containers. 11666 if (pkgList.size() > 0) { 11667 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11668 new IIntentReceiver.Stub() { 11669 public void performReceive(Intent intent, int resultCode, String data, 11670 Bundle extras, boolean ordered, boolean sticky, 11671 int sendingUser) throws RemoteException { 11672 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11673 reportStatus ? 1 : 0, 1, keys); 11674 mHandler.sendMessage(msg); 11675 } 11676 }); 11677 } else { 11678 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11679 keys); 11680 mHandler.sendMessage(msg); 11681 } 11682 } 11683 11684 /** Binder call */ 11685 @Override 11686 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11687 final int flags) { 11688 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11689 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11690 int returnCode = PackageManager.MOVE_SUCCEEDED; 11691 int currFlags = 0; 11692 int newFlags = 0; 11693 // reader 11694 synchronized (mPackages) { 11695 PackageParser.Package pkg = mPackages.get(packageName); 11696 if (pkg == null) { 11697 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11698 } else { 11699 // Disable moving fwd locked apps and system packages 11700 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11701 Slog.w(TAG, "Cannot move system application"); 11702 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11703 } else if (pkg.mOperationPending) { 11704 Slog.w(TAG, "Attempt to move package which has pending operations"); 11705 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11706 } else { 11707 // Find install location first 11708 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11709 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11710 Slog.w(TAG, "Ambigous flags specified for move location."); 11711 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11712 } else { 11713 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11714 : PackageManager.INSTALL_INTERNAL; 11715 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11716 : PackageManager.INSTALL_INTERNAL; 11717 11718 if (newFlags == currFlags) { 11719 Slog.w(TAG, "No move required. Trying to move to same location"); 11720 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11721 } else { 11722 if (isForwardLocked(pkg)) { 11723 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11724 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11725 } 11726 } 11727 } 11728 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11729 pkg.mOperationPending = true; 11730 } 11731 } 11732 } 11733 11734 /* 11735 * TODO this next block probably shouldn't be inside the lock. We 11736 * can't guarantee these won't change after this is fired off 11737 * anyway. 11738 */ 11739 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11740 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 11741 null, -1, user), 11742 returnCode); 11743 } else { 11744 Message msg = mHandler.obtainMessage(INIT_COPY); 11745 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 11746 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11747 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 11748 instructionSet); 11749 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11750 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 11751 msg.obj = mp; 11752 mHandler.sendMessage(msg); 11753 } 11754 } 11755 } 11756 11757 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11758 // Queue up an async operation since the package deletion may take a 11759 // little while. 11760 mHandler.post(new Runnable() { 11761 public void run() { 11762 // TODO fix this; this does nothing. 11763 mHandler.removeCallbacks(this); 11764 int returnCode = currentStatus; 11765 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11766 int uidArr[] = null; 11767 ArrayList<String> pkgList = null; 11768 synchronized (mPackages) { 11769 PackageParser.Package pkg = mPackages.get(mp.packageName); 11770 if (pkg == null) { 11771 Slog.w(TAG, " Package " + mp.packageName 11772 + " doesn't exist. Aborting move"); 11773 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11774 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11775 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11776 + mp.srcArgs.getCodePath() + " to " 11777 + pkg.applicationInfo.sourceDir 11778 + " Aborting move and returning error"); 11779 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11780 } else { 11781 uidArr = new int[] { 11782 pkg.applicationInfo.uid 11783 }; 11784 pkgList = new ArrayList<String>(); 11785 pkgList.add(mp.packageName); 11786 } 11787 } 11788 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11789 // Send resources unavailable broadcast 11790 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11791 // Update package code and resource paths 11792 synchronized (mInstallLock) { 11793 synchronized (mPackages) { 11794 PackageParser.Package pkg = mPackages.get(mp.packageName); 11795 // Recheck for package again. 11796 if (pkg == null) { 11797 Slog.w(TAG, " Package " + mp.packageName 11798 + " doesn't exist. Aborting move"); 11799 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11800 } else if (!mp.srcArgs.getCodePath().equals( 11801 pkg.applicationInfo.sourceDir)) { 11802 Slog.w(TAG, "Package " + mp.packageName 11803 + " code path changed from " + mp.srcArgs.getCodePath() 11804 + " to " + pkg.applicationInfo.sourceDir 11805 + " Aborting move and returning error"); 11806 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11807 } else { 11808 final String oldCodePath = pkg.mPath; 11809 final String newCodePath = mp.targetArgs.getCodePath(); 11810 final String newResPath = mp.targetArgs.getResourcePath(); 11811 final String newNativePath = mp.targetArgs 11812 .getNativeLibraryPath(); 11813 11814 final File newNativeDir = new File(newNativePath); 11815 11816 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11817 // NOTE: We do not report any errors from the APK scan and library 11818 // copy at this point. 11819 NativeLibraryHelper.ApkHandle handle = 11820 new NativeLibraryHelper.ApkHandle(newCodePath); 11821 final int abi = NativeLibraryHelper.findSupportedAbi( 11822 handle, Build.SUPPORTED_ABIS); 11823 if (abi >= 0) { 11824 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11825 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 11826 } 11827 handle.close(); 11828 } 11829 final int[] users = sUserManager.getUserIds(); 11830 for (int user : users) { 11831 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11832 newNativePath, user) < 0) { 11833 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11834 } 11835 } 11836 11837 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11838 pkg.mPath = newCodePath; 11839 // Move dex files around 11840 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11841 // Moving of dex files failed. Set 11842 // error code and abort move. 11843 pkg.mPath = pkg.mScanPath; 11844 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11845 } 11846 } 11847 11848 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11849 pkg.mScanPath = newCodePath; 11850 pkg.applicationInfo.sourceDir = newCodePath; 11851 pkg.applicationInfo.publicSourceDir = newResPath; 11852 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11853 PackageSetting ps = (PackageSetting) pkg.mExtras; 11854 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11855 ps.codePathString = ps.codePath.getPath(); 11856 ps.resourcePath = new File( 11857 pkg.applicationInfo.publicSourceDir); 11858 ps.resourcePathString = ps.resourcePath.getPath(); 11859 ps.nativeLibraryPathString = newNativePath; 11860 // Set the application info flag 11861 // correctly. 11862 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11863 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11864 } else { 11865 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11866 } 11867 ps.setFlags(pkg.applicationInfo.flags); 11868 mAppDirs.remove(oldCodePath); 11869 mAppDirs.put(newCodePath, pkg); 11870 // Persist settings 11871 mSettings.writeLPr(); 11872 } 11873 } 11874 } 11875 } 11876 // Send resources available broadcast 11877 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11878 } 11879 } 11880 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11881 // Clean up failed installation 11882 if (mp.targetArgs != null) { 11883 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11884 -1); 11885 } 11886 } else { 11887 // Force a gc to clear things up. 11888 Runtime.getRuntime().gc(); 11889 // Delete older code 11890 synchronized (mInstallLock) { 11891 mp.srcArgs.doPostDeleteLI(true); 11892 } 11893 } 11894 11895 // Allow more operations on this file if we didn't fail because 11896 // an operation was already pending for this package. 11897 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11898 synchronized (mPackages) { 11899 PackageParser.Package pkg = mPackages.get(mp.packageName); 11900 if (pkg != null) { 11901 pkg.mOperationPending = false; 11902 } 11903 } 11904 } 11905 11906 IPackageMoveObserver observer = mp.observer; 11907 if (observer != null) { 11908 try { 11909 observer.packageMoved(mp.packageName, returnCode); 11910 } catch (RemoteException e) { 11911 Log.i(TAG, "Observer no longer exists."); 11912 } 11913 } 11914 } 11915 }); 11916 } 11917 11918 public boolean setInstallLocation(int loc) { 11919 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11920 null); 11921 if (getInstallLocation() == loc) { 11922 return true; 11923 } 11924 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11925 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11926 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11927 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11928 return true; 11929 } 11930 return false; 11931 } 11932 11933 public int getInstallLocation() { 11934 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11935 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11936 PackageHelper.APP_INSTALL_AUTO); 11937 } 11938 11939 /** Called by UserManagerService */ 11940 void cleanUpUserLILPw(int userHandle) { 11941 mDirtyUsers.remove(userHandle); 11942 mSettings.removeUserLPr(userHandle); 11943 mPendingBroadcasts.remove(userHandle); 11944 if (mInstaller != null) { 11945 // Technically, we shouldn't be doing this with the package lock 11946 // held. However, this is very rare, and there is already so much 11947 // other disk I/O going on, that we'll let it slide for now. 11948 mInstaller.removeUserDataDirs(userHandle); 11949 } 11950 } 11951 11952 /** Called by UserManagerService */ 11953 void createNewUserLILPw(int userHandle, File path) { 11954 if (mInstaller != null) { 11955 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11956 } 11957 } 11958 11959 @Override 11960 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11961 mContext.enforceCallingOrSelfPermission( 11962 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11963 "Only package verification agents can read the verifier device identity"); 11964 11965 synchronized (mPackages) { 11966 return mSettings.getVerifierDeviceIdentityLPw(); 11967 } 11968 } 11969 11970 @Override 11971 public void setPermissionEnforced(String permission, boolean enforced) { 11972 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11973 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11974 synchronized (mPackages) { 11975 if (mSettings.mReadExternalStorageEnforced == null 11976 || mSettings.mReadExternalStorageEnforced != enforced) { 11977 mSettings.mReadExternalStorageEnforced = enforced; 11978 mSettings.writeLPr(); 11979 } 11980 } 11981 // kill any non-foreground processes so we restart them and 11982 // grant/revoke the GID. 11983 final IActivityManager am = ActivityManagerNative.getDefault(); 11984 if (am != null) { 11985 final long token = Binder.clearCallingIdentity(); 11986 try { 11987 am.killProcessesBelowForeground("setPermissionEnforcement"); 11988 } catch (RemoteException e) { 11989 } finally { 11990 Binder.restoreCallingIdentity(token); 11991 } 11992 } 11993 } else { 11994 throw new IllegalArgumentException("No selective enforcement for " + permission); 11995 } 11996 } 11997 11998 @Override 11999 @Deprecated 12000 public boolean isPermissionEnforced(String permission) { 12001 return true; 12002 } 12003 12004 @Override 12005 public boolean isStorageLow() { 12006 final long token = Binder.clearCallingIdentity(); 12007 try { 12008 final DeviceStorageMonitorInternal 12009 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 12010 if (dsm != null) { 12011 return dsm.isMemoryLow(); 12012 } else { 12013 return false; 12014 } 12015 } finally { 12016 Binder.restoreCallingIdentity(token); 12017 } 12018 } 12019} 12020