*
     * @param tc the CIFS context containing configuration
     */
    public NameServiceClientImpl(final CIFSContext tc) {
        this(tc.getConfig().getNetbiosLocalPort(), tc.getConfig().getNetbiosLocalAddress(), tc);
    }

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

    @Override
    public SmbTransportImpl getSmbTransport(final CIFSContext tc, final Address address, final int port, final boolean nonPooled) {
        return getSmbTransport(tc, address, port, tc.getConfig().getLocalAddr(), tc.getConfig().getLocalPort(), null, nonPooled);
    }

    @Override
    public SmbTransportImpl getSmbTransport(final CIFSContext tc, final Address address, final int port, final boolean nonPooled,

     */
    public NtlmPasswordAuthentication doAuthentication(final CIFSContext tc, final HttpServletRequest req, final HttpServletResponse resp,
            final 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
     *            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
     *            context to use

                }
                if ((!foundKerberos || this.forceFallback) && this.canFallback && tc.getConfig().isAllowNTLMFallback()) {
                    log.debug("Falling back to NTLM authentication");
                    return super.createContext(tc, targetDomain, host, initialToken, doSigning);
                }
                if (!foundKerberos) {

                assertThrows(SmbUnsupportedOperationException.class, () -> auth.createContext(tc, null, "server.example.com", init, false));
        assertTrue(ex.getMessage().contains("Server does not support kerberos authentication"));
        // No fallback attempted; config should not be queried in this path
        verify(tc, never()).getConfig();
        verifyNoInteractions(config);
    }

    @Test

     * @throws GeneralSecurityException if a security error occurs during authentication
     */
    public SmbComSessionSetupAndX(final CIFSContext tc, final SmbComNegotiateResponse negotiated, final ServerMessageBlock andx,
            final Object cred) throws SmbException, GeneralSecurityException {
        super(tc.getConfig(), SMB_COM_SESSION_SETUP_ANDX, andx);
        this.negotiated = negotiated;

        this.overrideTimeout = overrideTimeout;
    }

    /**
     *
     * @return create response
     */
    @Override
    public T initResponse(final CIFSContext tc) {
        final T resp = createResponse(tc, this);
        if (resp == null) {
            return null;
        }
        resp.setDigest(getDigest());
        setResponse(resp);

        final ServerMessageBlock2 n = getNext();

     * @throws CIFSException if there is an error resolving the SIDs
     */
    void resolveSids(CIFSContext tc, String authorityServerName, SID[] sids) throws CIFSException;

    /**
     * Resolve part of an array of SIDs using a cache and at most one MSRPC request.
     *
     * @param tc the CIFS context to use
     * @param authorityServerName the server to use for SID resolution

        }

        @Override
        public SSPContext createContext(CIFSContext tc, String targetDomain, String host, byte[] initialToken, boolean doSigning)
                throws SmbException {
            // Validate required argument and interact with the provided CIFSContext
            if (tc == null) {
                throw new NullPointerException("tc");
            }