Examples with IMountService android.os.storage.IMountService used on opensource projects

Example 31 with IMountService

use of android.os.storage.IMountService in project android_frameworks_base by AOSPA.

the class LockPatternUtils method updateEncryptionPassword.

/** Update the encryption password if it is enabled **/
private void updateEncryptionPassword(final int type, final String password) {
    if (!isDeviceEncryptionEnabled()) {
        return;
    }
    final IBinder service = ServiceManager.getService("mount");
    if (service == null) {
        Log.e(TAG, "Could not find the mount service to update the encryption password");
        return;
    }
    new AsyncTask<Void, Void, Void>() {

        @Override
        protected Void doInBackground(Void... dummy) {
            IMountService mountService = IMountService.Stub.asInterface(service);
            try {
                mountService.changeEncryptionPassword(type, password);
            } catch (RemoteException e) {
                Log.e(TAG, "Error changing encryption password", e);
            }
            return null;
        }
    }.execute();
}

Example 32 with IMountService

use of android.os.storage.IMountService in project android_frameworks_base by AOSPA.

the class LockSettingsService method checkVoldPassword.

@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;
    long identity = Binder.clearCallingIdentity();
    try {
        password = service.getPassword();
        service.clearPassword();
    } finally {
        Binder.restoreCallingIdentity(identity);
    }
    if (password == null) {
        return false;
    }
    try {
        if (mLockPatternUtils.isLockPatternEnabled(userId)) {
            if (checkPattern(password, userId, null).getResponseCode() == GateKeeperResponse.RESPONSE_OK) {
                return true;
            }
        }
    } catch (Exception e) {
    }
    try {
        if (mLockPatternUtils.isLockPasswordEnabled(userId)) {
            if (checkPassword(password, userId, null).getResponseCode() == GateKeeperResponse.RESPONSE_OK) {
                return true;
            }
        }
    } catch (Exception e) {
    }
    return false;
}

Example 33 with IMountService

use of android.os.storage.IMountService in project android_frameworks_base by AOSPA.

the class LockSettingsService method fixateNewestUserKeyAuth.

private void fixateNewestUserKeyAuth(int userId) throws RemoteException {
    final IMountService mountService = getMountService();
    final long callingId = Binder.clearCallingIdentity();
    try {
        mountService.fixateNewestUserKeyAuth(userId);
    } finally {
        Binder.restoreCallingIdentity(callingId);
    }
}

Example 34 with IMountService

use of android.os.storage.IMountService in project android_frameworks_base by AOSPA.

the class PackageHelper method createSdDir.

public static String createSdDir(long sizeBytes, String cid, String sdEncKey, int uid, boolean isExternal) {
    // Round up to nearest MB, plus another MB for filesystem overhead
    final int sizeMb = (int) ((sizeBytes + MB_IN_BYTES) / MB_IN_BYTES) + 1;
    try {
        IMountService mountService = getMountService();
        if (localLOGV)
            Log.i(TAG, "Size of container " + sizeMb + " MB");
        int rc = mountService.createSecureContainer(cid, sizeMb, "ext4", sdEncKey, uid, isExternal);
        if (rc != StorageResultCode.OperationSucceeded) {
            Log.e(TAG, "Failed to create secure container " + cid);
            return null;
        }
        String cachePath = mountService.getSecureContainerPath(cid);
        if (localLOGV)
            Log.i(TAG, "Created secure container " + cid + " at " + cachePath);
        return cachePath;
    } catch (RemoteException e) {
        Log.e(TAG, "MountService running?");
    }
    return null;
}

Example 35 with IMountService

use of android.os.storage.IMountService in project android_frameworks_base by AOSPA.

the class LockPatternUtils method updateCryptoUserInfo.

private void updateCryptoUserInfo(int userId) {
    if (userId != UserHandle.USER_SYSTEM) {
        return;
    }
    final String ownerInfo = isOwnerInfoEnabled(userId) ? getOwnerInfo(userId) : "";
    IBinder service = ServiceManager.getService("mount");
    if (service == null) {
        Log.e(TAG, "Could not find the mount service to update the user info");
        return;
    }
    IMountService mountService = IMountService.Stub.asInterface(service);
    try {
        Log.d(TAG, "Setting owner info");
        mountService.setField(StorageManager.OWNER_INFO_KEY, ownerInfo);
    } catch (RemoteException e) {
        Log.e(TAG, "Error changing user info", e);
    }
}