| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.content.pm.UserInfo; |
| |
| import static android.content.Context.USER_SERVICE; |
| import static android.Manifest.permission.READ_PROFILE; |
| import android.database.Cursor; |
| import android.database.sqlite.SQLiteDatabase; |
| import android.database.sqlite.SQLiteOpenHelper; |
| import android.database.sqlite.SQLiteStatement; |
| import android.os.Binder; |
| import android.os.Environment; |
| import android.os.IBinder; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.storage.IMountService; |
| import android.os.ServiceManager; |
| import android.os.storage.StorageManager; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.provider.Settings.Secure; |
| import android.provider.Settings.SettingNotFoundException; |
| import android.security.KeyChain; |
| import android.security.KeyChain.KeyChainConnection; |
| import android.security.KeyStore; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.os.BackgroundThread; |
| import com.android.internal.widget.ILockSettings; |
| import com.android.internal.widget.ILockSettingsObserver; |
| import com.android.internal.widget.LockPatternUtils; |
| |
| import java.io.File; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.RandomAccessFile; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * Keeps the lock pattern/password data and related settings for each user. |
| * Used by LockPatternUtils. Needs to be a service because Settings app also needs |
| * to be able to save lockscreen information for secondary users. |
| * @hide |
| */ |
| public class LockSettingsService extends ILockSettings.Stub { |
| |
| private static final String PERMISSION = "android.permission.ACCESS_KEYGUARD_SECURE_STORAGE"; |
| |
| private static final String SYSTEM_DEBUGGABLE = "ro.debuggable"; |
| |
| private final DatabaseHelper mOpenHelper; |
| private static final String TAG = "LockSettingsService"; |
| |
| private static final String TABLE = "locksettings"; |
| private static final String COLUMN_KEY = "name"; |
| private static final String COLUMN_USERID = "user"; |
| private static final String COLUMN_VALUE = "value"; |
| |
| private static final String[] COLUMNS_FOR_QUERY = { |
| COLUMN_VALUE |
| }; |
| |
| private static final String SYSTEM_DIRECTORY = "/system/"; |
| private static final String LOCK_PATTERN_FILE = "gesture.key"; |
| private static final String LOCK_PASSWORD_FILE = "password.key"; |
| |
| private final Context mContext; |
| private LockPatternUtils mLockPatternUtils; |
| private boolean mFirstCallToVold; |
| |
| private final ArrayList<LockSettingsObserver> mObservers = new ArrayList<>(); |
| |
| public LockSettingsService(Context context) { |
| mContext = context; |
| // Open the database |
| mOpenHelper = new DatabaseHelper(mContext); |
| |
| mLockPatternUtils = new LockPatternUtils(context); |
| mFirstCallToVold = true; |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_USER_ADDED); |
| mContext.registerReceiverAsUser(mBroadcastReceiver, UserHandle.ALL, filter, null, null); |
| } |
| |
| private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (Intent.ACTION_USER_ADDED.equals(intent.getAction())) { |
| final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0); |
| final int userSysUid = UserHandle.getUid(userHandle, Process.SYSTEM_UID); |
| final KeyStore ks = KeyStore.getInstance(); |
| |
| // Clear up keystore in case anything was left behind by previous users |
| ks.resetUid(userSysUid); |
| |
| // If this user has a parent, sync with its keystore password |
| final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE); |
| final UserInfo parentInfo = um.getProfileParent(userHandle); |
| if (parentInfo != null) { |
| final int parentSysUid = UserHandle.getUid(parentInfo.id, Process.SYSTEM_UID); |
| ks.syncUid(parentSysUid, userSysUid); |
| } |
| } |
| } |
| }; |
| |
| public void systemReady() { |
| migrateOldData(); |
| } |
| |
| private void migrateOldData() { |
| try { |
| // These Settings moved before multi-user was enabled, so we only have to do it for the |
| // root user. |
| if (getString("migrated", null, 0) == null) { |
| final ContentResolver cr = mContext.getContentResolver(); |
| for (String validSetting : VALID_SETTINGS) { |
| String value = Settings.Secure.getString(cr, validSetting); |
| if (value != null) { |
| setString(validSetting, value, 0); |
| } |
| } |
| // No need to move the password / pattern files. They're already in the right place. |
| setString("migrated", "true", 0); |
| Slog.i(TAG, "Migrated lock settings to new location"); |
| } |
| |
| // These Settings changed after multi-user was enabled, hence need to be moved per user. |
| if (getString("migrated_user_specific", null, 0) == null) { |
| final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE); |
| final ContentResolver cr = mContext.getContentResolver(); |
| List<UserInfo> users = um.getUsers(); |
| for (int user = 0; user < users.size(); user++) { |
| // Migrate owner info |
| final int userId = users.get(user).id; |
| final String OWNER_INFO = Secure.LOCK_SCREEN_OWNER_INFO; |
| String ownerInfo = Settings.Secure.getStringForUser(cr, OWNER_INFO, userId); |
| if (ownerInfo != null) { |
| setString(OWNER_INFO, ownerInfo, userId); |
| Settings.Secure.putStringForUser(cr, ownerInfo, "", userId); |
| } |
| |
| // Migrate owner info enabled. Note there was a bug where older platforms only |
| // stored this value if the checkbox was toggled at least once. The code detects |
| // this case by handling the exception. |
| final String OWNER_INFO_ENABLED = Secure.LOCK_SCREEN_OWNER_INFO_ENABLED; |
| boolean enabled; |
| try { |
| int ivalue = Settings.Secure.getIntForUser(cr, OWNER_INFO_ENABLED, userId); |
| enabled = ivalue != 0; |
| setLong(OWNER_INFO_ENABLED, enabled ? 1 : 0, userId); |
| } catch (SettingNotFoundException e) { |
| // Setting was never stored. Store it if the string is not empty. |
| if (!TextUtils.isEmpty(ownerInfo)) { |
| setLong(OWNER_INFO_ENABLED, 1, userId); |
| } |
| } |
| Settings.Secure.putIntForUser(cr, OWNER_INFO_ENABLED, 0, userId); |
| } |
| // No need to move the password / pattern files. They're already in the right place. |
| setString("migrated_user_specific", "true", 0); |
| Slog.i(TAG, "Migrated per-user lock settings to new location"); |
| } |
| } catch (RemoteException re) { |
| Slog.e(TAG, "Unable to migrate old data", re); |
| } |
| } |
| |
| private final void checkWritePermission(int userId) { |
| mContext.enforceCallingOrSelfPermission(PERMISSION, "LockSettingsWrite"); |
| } |
| |
| private final void checkPasswordReadPermission(int userId) { |
| mContext.enforceCallingOrSelfPermission(PERMISSION, "LockSettingsRead"); |
| } |
| |
| private final void checkReadPermission(String requestedKey, int userId) { |
| final int callingUid = Binder.getCallingUid(); |
| for (int i = 0; i < READ_PROFILE_PROTECTED_SETTINGS.length; i++) { |
| String key = READ_PROFILE_PROTECTED_SETTINGS[i]; |
| if (key.equals(requestedKey) && mContext.checkCallingOrSelfPermission(READ_PROFILE) |
| != PackageManager.PERMISSION_GRANTED) { |
| throw new SecurityException("uid=" + callingUid |
| + " needs permission " + READ_PROFILE + " to read " |
| + requestedKey + " for user " + userId); |
| } |
| } |
| } |
| |
| @Override |
| public void setBoolean(String key, boolean value, int userId) throws RemoteException { |
| checkWritePermission(userId); |
| |
| writeToDb(key, value ? "1" : "0", userId); |
| } |
| |
| @Override |
| public void setLong(String key, long value, int userId) throws RemoteException { |
| checkWritePermission(userId); |
| |
| writeToDb(key, Long.toString(value), userId); |
| } |
| |
| @Override |
| public void setString(String key, String value, int userId) throws RemoteException { |
| checkWritePermission(userId); |
| |
| writeToDb(key, value, userId); |
| } |
| |
| @Override |
| public boolean getBoolean(String key, boolean defaultValue, int userId) throws RemoteException { |
| checkReadPermission(key, userId); |
| |
| String value = readFromDb(key, null, userId); |
| return TextUtils.isEmpty(value) ? |
| defaultValue : (value.equals("1") || value.equals("true")); |
| } |
| |
| @Override |
| public long getLong(String key, long defaultValue, int userId) throws RemoteException { |
| checkReadPermission(key, userId); |
| |
| String value = readFromDb(key, null, userId); |
| return TextUtils.isEmpty(value) ? defaultValue : Long.parseLong(value); |
| } |
| |
| @Override |
| public String getString(String key, String defaultValue, int userId) throws RemoteException { |
| checkReadPermission(key, userId); |
| |
| return readFromDb(key, defaultValue, userId); |
| } |
| |
| @Override |
| public void registerObserver(ILockSettingsObserver remote) throws RemoteException { |
| synchronized (mObservers) { |
| for (int i = 0; i < mObservers.size(); i++) { |
| if (mObservers.get(i).remote.asBinder() == remote.asBinder()) { |
| boolean isDebuggable = "1".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0")); |
| if (isDebuggable) { |
| throw new IllegalStateException("Observer was already registered."); |
| } else { |
| Log.e(TAG, "Observer was already registered."); |
| return; |
| } |
| } |
| } |
| LockSettingsObserver o = new LockSettingsObserver(); |
| o.remote = remote; |
| o.remote.asBinder().linkToDeath(o, 0); |
| mObservers.add(o); |
| } |
| } |
| |
| @Override |
| public void unregisterObserver(ILockSettingsObserver remote) throws RemoteException { |
| synchronized (mObservers) { |
| for (int i = 0; i < mObservers.size(); i++) { |
| if (mObservers.get(i).remote.asBinder() == remote.asBinder()) { |
| mObservers.remove(i); |
| return; |
| } |
| } |
| } |
| } |
| |
| public void notifyObservers(String key, int userId) { |
| synchronized (mObservers) { |
| for (int i = 0; i < mObservers.size(); i++) { |
| try { |
| mObservers.get(i).remote.onLockSettingChanged(key, userId); |
| } catch (RemoteException e) { |
| // The stack trace is not really helpful here. |
| Log.e(TAG, "Failed to notify ILockSettingsObserver: " + e); |
| } |
| } |
| } |
| } |
| |
| private int getUserParentOrSelfId(int userId) { |
| if (userId != 0) { |
| final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE); |
| final UserInfo pi = um.getProfileParent(userId); |
| if (pi != null) { |
| return pi.id; |
| } |
| } |
| return userId; |
| } |
| |
| private String getLockPatternFilename(int userId) { |
| String dataSystemDirectory = |
| android.os.Environment.getDataDirectory().getAbsolutePath() + |
| SYSTEM_DIRECTORY; |
| userId = getUserParentOrSelfId(userId); |
| if (userId == 0) { |
| // Leave it in the same place for user 0 |
| return dataSystemDirectory + LOCK_PATTERN_FILE; |
| } else { |
| return new File(Environment.getUserSystemDirectory(userId), LOCK_PATTERN_FILE) |
| .getAbsolutePath(); |
| } |
| } |
| |
| private String getLockPasswordFilename(int userId) { |
| userId = getUserParentOrSelfId(userId); |
| String dataSystemDirectory = |
| android.os.Environment.getDataDirectory().getAbsolutePath() + |
| SYSTEM_DIRECTORY; |
| if (userId == 0) { |
| // Leave it in the same place for user 0 |
| return dataSystemDirectory + LOCK_PASSWORD_FILE; |
| } else { |
| return new File(Environment.getUserSystemDirectory(userId), LOCK_PASSWORD_FILE) |
| .getAbsolutePath(); |
| } |
| } |
| |
| @Override |
| public boolean havePassword(int userId) throws RemoteException { |
| // Do we need a permissions check here? |
| |
| return new File(getLockPasswordFilename(userId)).length() > 0; |
| } |
| |
| @Override |
| public boolean havePattern(int userId) throws RemoteException { |
| // Do we need a permissions check here? |
| |
| return new File(getLockPatternFilename(userId)).length() > 0; |
| } |
| |
| private void maybeUpdateKeystore(String password, int userHandle) { |
| final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE); |
| final KeyStore ks = KeyStore.getInstance(); |
| |
| final List<UserInfo> profiles = um.getProfiles(userHandle); |
| boolean shouldReset = TextUtils.isEmpty(password); |
| |
| // For historical reasons, don't wipe a non-empty keystore if we have a single user with a |
| // single profile. |
| if (userHandle == UserHandle.USER_OWNER && profiles.size() == 1) { |
| if (!ks.isEmpty()) { |
| shouldReset = false; |
| } |
| } |
| |
| for (UserInfo pi : profiles) { |
| final int profileUid = UserHandle.getUid(pi.id, Process.SYSTEM_UID); |
| if (shouldReset) { |
| ks.resetUid(profileUid); |
| } else { |
| ks.passwordUid(password, profileUid); |
| } |
| } |
| } |
| |
| @Override |
| public void setLockPattern(String pattern, int userId) throws RemoteException { |
| checkWritePermission(userId); |
| |
| maybeUpdateKeystore(pattern, userId); |
| |
| final byte[] hash = LockPatternUtils.patternToHash( |
| LockPatternUtils.stringToPattern(pattern)); |
| writeFile(getLockPatternFilename(userId), hash); |
| } |
| |
| @Override |
| public void setLockPassword(String password, int userId) throws RemoteException { |
| checkWritePermission(userId); |
| |
| maybeUpdateKeystore(password, userId); |
| |
| writeFile(getLockPasswordFilename(userId), |
| mLockPatternUtils.passwordToHash(password, userId)); |
| } |
| |
| @Override |
| public boolean checkPattern(String pattern, int userId) throws RemoteException { |
| checkPasswordReadPermission(userId); |
| try { |
| // Read all the bytes from the file |
| RandomAccessFile raf = new RandomAccessFile(getLockPatternFilename(userId), "r"); |
| final byte[] stored = new byte[(int) raf.length()]; |
| int got = raf.read(stored, 0, stored.length); |
| raf.close(); |
| if (got <= 0) { |
| return true; |
| } |
| // Compare the hash from the file with the entered pattern's hash |
| final byte[] hash = LockPatternUtils.patternToHash( |
| LockPatternUtils.stringToPattern(pattern)); |
| final boolean matched = Arrays.equals(stored, hash); |
| if (matched && !TextUtils.isEmpty(pattern)) { |
| maybeUpdateKeystore(pattern, userId); |
| } |
| return matched; |
| } catch (FileNotFoundException fnfe) { |
| Slog.e(TAG, "Cannot read file " + fnfe); |
| } catch (IOException ioe) { |
| Slog.e(TAG, "Cannot read file " + ioe); |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean checkPassword(String password, int userId) throws RemoteException { |
| checkPasswordReadPermission(userId); |
| |
| try { |
| // Read all the bytes from the file |
| RandomAccessFile raf = new RandomAccessFile(getLockPasswordFilename(userId), "r"); |
| final byte[] stored = new byte[(int) raf.length()]; |
| int got = raf.read(stored, 0, stored.length); |
| raf.close(); |
| if (got <= 0) { |
| return true; |
| } |
| // Compare the hash from the file with the entered password's hash |
| final byte[] hash = mLockPatternUtils.passwordToHash(password, userId); |
| final boolean matched = Arrays.equals(stored, hash); |
| if (matched && !TextUtils.isEmpty(password)) { |
| maybeUpdateKeystore(password, userId); |
| } |
| return matched; |
| } catch (FileNotFoundException fnfe) { |
| Slog.e(TAG, "Cannot read file " + fnfe); |
| } catch (IOException ioe) { |
| Slog.e(TAG, "Cannot read file " + ioe); |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean checkVoldPassword(int userId) throws RemoteException { |
| if (!mFirstCallToVold) { |
| return false; |
| } |
| mFirstCallToVold = false; |
| |
| checkPasswordReadPermission(userId); |
| |
| // There's no guarantee that this will safely connect, but if it fails |
| // we will simply show the lock screen when we shouldn't, so relatively |
| // benign. There is an outside chance something nasty would happen if |
| // this service restarted before vold stales out the password in this |
| // case. The nastiness is limited to not showing the lock screen when |
| // we should, within the first minute of decrypting the phone if this |
| // service can't connect to vold, it restarts, and then the new instance |
| // does successfully connect. |
| final IMountService service = getMountService(); |
| String password = service.getPassword(); |
| service.clearPassword(); |
| if (password == null) { |
| return false; |
| } |
| |
| try { |
| if (mLockPatternUtils.isLockPatternEnabled()) { |
| if (checkPattern(password, userId)) { |
| return true; |
| } |
| } |
| } catch (Exception e) { |
| } |
| |
| try { |
| if (mLockPatternUtils.isLockPasswordEnabled()) { |
| if (checkPassword(password, userId)) { |
| return true; |
| } |
| } |
| } catch (Exception e) { |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public void removeUser(int userId) { |
| checkWritePermission(userId); |
| |
| SQLiteDatabase db = mOpenHelper.getWritableDatabase(); |
| try { |
| final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE); |
| final UserInfo parentInfo = um.getProfileParent(userId); |
| if (parentInfo == null) { |
| // This user owns its lock settings files - safe to delete them |
| File file = new File(getLockPasswordFilename(userId)); |
| if (file.exists()) { |
| file.delete(); |
| } |
| file = new File(getLockPatternFilename(userId)); |
| if (file.exists()) { |
| file.delete(); |
| } |
| } |
| |
| db.beginTransaction(); |
| db.delete(TABLE, COLUMN_USERID + "='" + userId + "'", null); |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| |
| final KeyStore ks = KeyStore.getInstance(); |
| final int userUid = UserHandle.getUid(userId, Process.SYSTEM_UID); |
| ks.resetUid(userUid); |
| } |
| |
| private void writeFile(String name, byte[] hash) { |
| try { |
| // Write the hash to file |
| RandomAccessFile raf = new RandomAccessFile(name, "rw"); |
| // Truncate the file if pattern is null, to clear the lock |
| if (hash == null || hash.length == 0) { |
| raf.setLength(0); |
| } else { |
| raf.write(hash, 0, hash.length); |
| } |
| raf.close(); |
| } catch (IOException ioe) { |
| Slog.e(TAG, "Error writing to file " + ioe); |
| } |
| } |
| |
| private void writeToDb(String key, String value, int userId) { |
| writeToDb(mOpenHelper.getWritableDatabase(), key, value, userId); |
| notifyObservers(key, userId); |
| } |
| |
| private void writeToDb(SQLiteDatabase db, String key, String value, int userId) { |
| ContentValues cv = new ContentValues(); |
| cv.put(COLUMN_KEY, key); |
| cv.put(COLUMN_USERID, userId); |
| cv.put(COLUMN_VALUE, value); |
| |
| db.beginTransaction(); |
| try { |
| db.delete(TABLE, COLUMN_KEY + "=? AND " + COLUMN_USERID + "=?", |
| new String[] {key, Integer.toString(userId)}); |
| db.insert(TABLE, null, cv); |
| db.setTransactionSuccessful(); |
| } finally { |
| db.endTransaction(); |
| } |
| } |
| |
| private String readFromDb(String key, String defaultValue, int userId) { |
| Cursor cursor; |
| String result = defaultValue; |
| SQLiteDatabase db = mOpenHelper.getReadableDatabase(); |
| if ((cursor = db.query(TABLE, COLUMNS_FOR_QUERY, |
| COLUMN_USERID + "=? AND " + COLUMN_KEY + "=?", |
| new String[] { Integer.toString(userId), key }, |
| null, null, null)) != null) { |
| if (cursor.moveToFirst()) { |
| result = cursor.getString(0); |
| } |
| cursor.close(); |
| } |
| return result; |
| } |
| |
| class DatabaseHelper extends SQLiteOpenHelper { |
| private static final String TAG = "LockSettingsDB"; |
| private static final String DATABASE_NAME = "locksettings.db"; |
| |
| private static final int DATABASE_VERSION = 2; |
| |
| public DatabaseHelper(Context context) { |
| super(context, DATABASE_NAME, null, DATABASE_VERSION); |
| setWriteAheadLoggingEnabled(true); |
| } |
| |
| private void createTable(SQLiteDatabase db) { |
| db.execSQL("CREATE TABLE " + TABLE + " (" + |
| "_id INTEGER PRIMARY KEY AUTOINCREMENT," + |
| COLUMN_KEY + " TEXT," + |
| COLUMN_USERID + " INTEGER," + |
| COLUMN_VALUE + " TEXT" + |
| ");"); |
| } |
| |
| @Override |
| public void onCreate(SQLiteDatabase db) { |
| createTable(db); |
| initializeDefaults(db); |
| } |
| |
| private void initializeDefaults(SQLiteDatabase db) { |
| // Get the lockscreen default from a system property, if available |
| boolean lockScreenDisable = SystemProperties.getBoolean("ro.lockscreen.disable.default", |
| false); |
| if (lockScreenDisable) { |
| writeToDb(db, LockPatternUtils.DISABLE_LOCKSCREEN_KEY, "1", 0); |
| } |
| } |
| |
| @Override |
| public void onUpgrade(SQLiteDatabase db, int oldVersion, int currentVersion) { |
| int upgradeVersion = oldVersion; |
| if (upgradeVersion == 1) { |
| // Set the initial value for {@link LockPatternUtils#LOCKSCREEN_WIDGETS_ENABLED} |
| // during upgrade based on whether each user previously had widgets in keyguard. |
| maybeEnableWidgetSettingForUsers(db); |
| upgradeVersion = 2; |
| } |
| |
| if (upgradeVersion != DATABASE_VERSION) { |
| Log.w(TAG, "Failed to upgrade database!"); |
| } |
| } |
| |
| private void maybeEnableWidgetSettingForUsers(SQLiteDatabase db) { |
| final UserManager um = (UserManager) mContext.getSystemService(USER_SERVICE); |
| final ContentResolver cr = mContext.getContentResolver(); |
| final List<UserInfo> users = um.getUsers(); |
| for (int i = 0; i < users.size(); i++) { |
| final int userId = users.get(i).id; |
| final boolean enabled = mLockPatternUtils.hasWidgetsEnabledInKeyguard(userId); |
| Log.v(TAG, "Widget upgrade uid=" + userId + ", enabled=" |
| + enabled + ", w[]=" + mLockPatternUtils.getAppWidgets()); |
| loadSetting(db, LockPatternUtils.LOCKSCREEN_WIDGETS_ENABLED, userId, enabled); |
| } |
| } |
| |
| private void loadSetting(SQLiteDatabase db, String key, int userId, boolean value) { |
| SQLiteStatement stmt = null; |
| try { |
| stmt = db.compileStatement( |
| "INSERT OR REPLACE INTO locksettings(name,user,value) VALUES(?,?,?);"); |
| stmt.bindString(1, key); |
| stmt.bindLong(2, userId); |
| stmt.bindLong(3, value ? 1 : 0); |
| stmt.execute(); |
| } finally { |
| if (stmt != null) stmt.close(); |
| } |
| } |
| } |
| |
| private static final String[] VALID_SETTINGS = new String[] { |
| LockPatternUtils.LOCKOUT_PERMANENT_KEY, |
| LockPatternUtils.LOCKOUT_ATTEMPT_DEADLINE, |
| LockPatternUtils.PATTERN_EVER_CHOSEN_KEY, |
| LockPatternUtils.PASSWORD_TYPE_KEY, |
| LockPatternUtils.PASSWORD_TYPE_ALTERNATE_KEY, |
| LockPatternUtils.LOCK_PASSWORD_SALT_KEY, |
| LockPatternUtils.DISABLE_LOCKSCREEN_KEY, |
| LockPatternUtils.LOCKSCREEN_OPTIONS, |
| LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, |
| LockPatternUtils.BIOMETRIC_WEAK_EVER_CHOSEN_KEY, |
| LockPatternUtils.LOCKSCREEN_POWER_BUTTON_INSTANTLY_LOCKS, |
| LockPatternUtils.PASSWORD_HISTORY_KEY, |
| Secure.LOCK_PATTERN_ENABLED, |
| Secure.LOCK_BIOMETRIC_WEAK_FLAGS, |
| Secure.LOCK_PATTERN_VISIBLE, |
| Secure.LOCK_PATTERN_TACTILE_FEEDBACK_ENABLED |
| }; |
| |
| // These are protected with a read permission |
| private static final String[] READ_PROFILE_PROTECTED_SETTINGS = new String[] { |
| Secure.LOCK_SCREEN_OWNER_INFO_ENABLED, |
| Secure.LOCK_SCREEN_OWNER_INFO |
| }; |
| |
| private IMountService getMountService() { |
| final IBinder service = ServiceManager.getService("mount"); |
| if (service != null) { |
| return IMountService.Stub.asInterface(service); |
| } |
| return null; |
| } |
| |
| private class LockSettingsObserver implements DeathRecipient { |
| ILockSettingsObserver remote; |
| |
| @Override |
| public void binderDied() { |
| mObservers.remove(this); |
| } |
| } |
| } |
