* 
     * @param tc
     * @param userInfo
     */
    public NtlmPasswordAuthentication ( CIFSContext tc, String userInfo ) {
        super(
            userInfo,
            tc.getConfig().getDefaultDomain(),
            tc.getConfig().getDefaultUsername() != null ? tc.getConfig().getDefaultUsername() : "GUEST",
            tc.getConfig().getDefaultPassword() != null ? tc.getConfig().getDefaultPassword() : "");

            log.debug("Ignoring invalid initial token", e1);
        }

        return new SpnegoContext(tc.getConfig(), setupTargetName(tc, host, new NtlmContext(tc, this, doSigning)));
    }


    private static SSPContext setupTargetName ( CIFSContext tc, String host, NtlmContext ntlmContext ) {
        if ( host != null && tc.getConfig().isSendNTLMTargetName() ) {
            ntlmContext.setTargetName(String.format("cifs/%s", host));

     * throw on a regular basis here.
     * 
     * @param host
     * @param tc
     * @return resolved name, null if not found
     */
    public synchronized NbtAddress getByName ( String host, CIFSContext tc ) {
        return getByName(new Name(tc.getConfig(), host, 0x20, null), tc);
    }


    synchronized NbtAddress getByName ( Name name, CIFSContext tc ) {
        NbtAddress result = null;

        try {

     * environment.
     * 
     * @param tc
     *            context to use
     */
    public Type2Message ( CIFSContext tc ) {
        this(tc, getDefaultFlags(tc), null, null);
    }


    /**
     * Creates a Type-2 message in response to the given Type-1 message
     * using default values from the current environment.
     * 
     * @param tc
     *            context to use
     * @param type1

     * environment.
     * 
     * @param tc
     *            context to use
     */
    public Type1Message ( CIFSContext tc ) {
        this(tc, getDefaultFlags(tc), tc.getConfig().getDefaultDomain(), tc.getNameServiceClient().getLocalHost().getHostName());
    }


    /**
     * Creates a Type-1 message with the specified parameters.
     * 
     * @param tc
     *            context to use
     * @param flags

     *
     * @param tc
     *            context to use
     * @return whether this address is in conflict with another address
     * @throws UnknownHostException
     *             if the host cannot be resolved to find out.
     */
    boolean isInConflict ( CIFSContext tc ) throws UnknownHostException;


    /**
     * Determines if this address is active.
     * 
     * @param tc

     * environment.
     * 
     * @param tc
     *            context to use
     */
    public Type3Message ( CIFSContext tc ) {
        setFlags(getDefaultFlags(tc));
        setDomain(tc.getConfig().getDefaultDomain());
        setUser(tc.getConfig().getDefaultUsername());
        setWorkstation(tc.getNameServiceClient().getLocalHost().getHostName());
    }


    /**

        return getSmbTransport(tc, address, port, tc.getConfig().getLocalAddr(), tc.getConfig().getLocalPort(), null, nonPooled);
    }


    @Override
    public SmbTransportImpl getSmbTransport ( CIFSContext tc, Address address, int port, boolean nonPooled, boolean forceSigning ) {

     */
    public NtlmPasswordAuthentication doAuthentication ( CIFSContext tc, HttpServletRequest req, HttpServletResponse resp, byte[] challenge )
            throws IOException {
        return authenticate(tc, req, resp, challenge);
    }


    /**
     * Performs NTLM authentication for the servlet request.
     * 
     * @param tc
     *            context to use
     *
     * @param req

    /**
     * @param tc
     * 
     */
    public DcerpcHandle ( CIFSContext tc ) {
        this.transportContext = tc;
        this.binding = null;
    }


    /**
     * @param tc
     * @param binding
     */
    public DcerpcHandle ( CIFSContext tc, DcerpcBinding binding ) {
        this.transportContext = tc;
        this.binding = binding;
    }