Type1Message type1 = new Type1Message(src);
                Type2Message type2 = new Type2Message(type1, challenge, null);
                msg = Base64.encode(type2.toByteArray());
                resp.setHeader( "WWW-Authenticate", "NTLM " + msg );
            } else if (src[8] == 3) {
                Type3Message type3 = new Type3Message(src);
                byte[] lmResponse = type3.getLMResponse();

            }
            Type1Message type1 = (Type1Message) attemptNegotiation(response);
            if (type1 == null) return; // no NTLM
            int attempt = 0;
            while (attempt < MAX_REDIRECTS) {
                connection.setRequestProperty(authProperty, authMethod + ' ' +
                        Base64.encode(type1.toByteArray()));
                connection.connect(); // send type 1

                Type1Message type1 = new Type1Message(src);
                Type2Message type2 = new Type2Message(tc, type1, challenge, null);
                msg = new String(Base64.encode(type2.toByteArray()), "US-ASCII");
                resp.setHeader("WWW-Authenticate", "NTLM " + msg);
            }
            else if ( src[ 8 ] == 3 ) {
                Type3Message type3 = new Type3Message(src);

                    return;
                }
                NtlmMessage type3 = attemptNegotiation(response);
                if ( type3 == null )
                    return;
                this.connection.setRequestProperty(this.authProperty, this.authMethod + ' ' + Base64.toBase64String(type3.toByteArray()));
                this.connection.connect(); // send type 3
                if ( this.cachedOutput != null && this.doOutput ) {

        this(type1, null, null);
    }

    /**
     * Creates a Type-2 message in response to the given Type-1 message.
     *
     * @param type1 The Type-1 message which this represents a response to.
     * @param challenge The challenge from the domain controller/server.
     * @param target The authentication target.
     */

            offset += ntLength;
            writeSecurityBuffer(type3, 28, offset, domain);
            offset += domainLength;
            writeSecurityBuffer(type3, 36, offset, user);
            offset += userLength;
            writeSecurityBuffer(type3, 44, offset, workstation);
            offset += workstationLength;
            writeSecurityBuffer(type3, 52, offset, sessionKey);

     * 
     * @param tc
     *            context to use
     * @param type1
     *            The Type-1 message which this represents a response to.
     */
    public Type2Message ( CIFSContext tc, Type1Message type1 ) {
        this(tc, type1, null, null);
    }


    /**
     * Creates a Type-2 message in response to the given Type-1 message.
     * 
     * @param tc
     *            context to use

            }

            byte[] type1 = new byte[size];
            int pos = 0;

            System.arraycopy(NTLMSSP_SIGNATURE, 0, type1, 0, NTLMSSP_SIGNATURE.length);
            pos += NTLMSSP_SIGNATURE.length;

            writeULong(type1, pos, NTLMSSP_TYPE1);
            pos += 4;

            writeULong(type1, pos, flags);
            pos += 4;

interface rpc
{
	/* base types */

	typedef unsigned char uint8_t;
	typedef unsigned short uint16_t;
	typedef unsigned int uint32_t;

	/* dce */

	typedef struct {
	    uint32_t time_low;
	    uint16_t time_mid;
	    uint16_t time_hi_and_version;
	    uint8_t clock_seq_hi_and_reserved;
	    uint8_t clock_seq_low;
	    uint8_t node[6];
	} uuid_t;

	/* win32 stuff */

	typedef struct {
		uint32_t type;
		uuid_t uuid;

    }


    @Override
    public NbtAddress getNbtByName ( String host, int type, String scope ) throws UnknownHostException {
        return getNbtByName(host, type, scope, null);
    }


    @Override
    public NbtAddress getNbtByName ( String host, int type, String scope, InetAddress svr ) throws UnknownHostException {

        if ( host == null || host.length() == 0 ) {