}
        return new NtlmChallenge( trans.server.encryptionKey, dc );
    }
    public static NtlmChallenge getChallengeForDomain()
                throws SmbException, UnknownHostException {
        if( DOMAIN == null ) {
            throw new SmbException( "A domain was not specified" );
        }
synchronized (DOMAIN) {
            long now = System.currentTimeMillis();
            int retry = 1;

            do {

    }
    void connect0() throws SmbException {
        try {
            connect();
        } catch( UnknownHostException uhe ) {
            throw new SmbException( "Failed to connect to server", uhe );
        } catch( SmbException se ) {
            throw se;
        } catch( IOException ioe ) {
            throw new SmbException( "Failed to connect to server", ioe );
        }
    }

        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

    public void close() throws IOException {
        MsrpcLsarClose rpc = new MsrpcLsarClose(this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

    public void close() throws IOException {
        MsrpcSamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

     * @return tree handle
     * @throws SmbException
     */
    public SmbTreeHandleImpl connectWrapException ( SmbResourceLocatorImpl loc ) throws SmbException {
        try {
            return connect(loc);
        }
        catch ( UnknownHostException uhe ) {
            throw new SmbException("Failed to connect to server", uhe);
        }
        catch ( SmbException se ) {
            throw se;
        }

            return trans.getServerEncryptionKey();
        }
        catch ( SmbException e ) {
            throw e;
        }
        catch ( IOException e ) {
            throw new SmbException("Connection failed", e);
        }
    }


    @Override
    public void logon ( CIFSContext tf, Address dc ) throws SmbException {
        logon(tf, dc, 0);
    }


    @Override
    @Deprecated

    /**
     * 
     * @return this pipe's input stream
     * @throws SmbException
     */
    @Override
    SmbPipeInputStream getInput () throws CIFSException;


    /**
     * 
     * @return this pipe's output stream
     * @throws SmbException
     * @throws
     */
    @Override
    SmbPipeOutputStream getOutput () throws CIFSException;


    /**

import jcifs.SID;
import jcifs.smb.SmbException;

public class SambaHelperTest extends UnitFessTestCase {

    public SambaHelper sambaHelper;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        sambaHelper = new SambaHelper();
    }

    public void test_smb_account() throws SmbException {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {

                throw new SmbException("Failed to query Kerberos session key from ExtendedGSSContext", ex);
            }
        }
        throw new SmbException("ExtendedGSSContext is not implemented by GSSContext");
    }


    @Override
    public byte[] initSecContext ( byte[] token, int off, int len ) throws SmbException {
        try {

        FileEntry[] entries;

        if ( u.getPath().lastIndexOf('/') != ( u.getPath().length() - 1 ) )
            throw new SmbException(u.toString() + " directory must end with '/'");

        if ( locator.getType() != SmbConstants.TYPE_SERVER )
            throw new SmbException("The requested list operations is invalid: " + u.toString());

        Set<FileEntry> set = new HashSet<>();