*
     * @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

    /**
     * @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;
    }

    /**
     * Get transport connection
     * 
     * @param tc
     *            context to use
     * @param address
     * @param port
     * @param exclusive
     *            whether to acquire an unshared connection
     * @return a transport connection to the target
     */
    SmbTransport getSmbTransport ( CIFSContext tc, Address address, int port, boolean exclusive );


    /**

     * 
     * @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));

    /**
     * 
     * @param tc
     */
    public NameServiceClientImpl ( CIFSContext tc ) {
        this(tc.getConfig().getNetbiosLocalPort(), tc.getConfig().getNetbiosLocalAddress(), tc);
    }


    NameServiceClientImpl ( int lport, InetAddress laddr, CIFSContext tc ) {
        this.lport = lport;
        this.laddr = laddr;
        this.transportContext = tc;

     * 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

     *            The FQDN of the server that is an authority for the SID.
     * @param tc
     *            Context to use
     * @throws IOException
     */
    public void resolve ( String authorityServerName, CIFSContext tc ) throws IOException {
        SID[] sids = new SID[1];
        sids[ 0 ] = this;
        tc.getSIDResolver().resolveSids(tc, authorityServerName, sids);
    }


    void resolveWeak () {

 *
 */
public interface Request <T extends CommonServerMessageBlockResponse> extends CommonServerMessageBlockRequest {

    /**
     * 
     * @param tc
     * @return the initialized response
     * @internal
     */
    public T initResponse ( CIFSContext tc );


    /**
     * 
     * @return the response message
     */
    @Override
    public T getResponse ();


    /**

     * 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 {