* @param resp The response.
     * @param challenge The domain controller challenge.
     * @return the authenticated NtlmPasswordAuthentication object
     * @throws IOException If an IO error occurs.
     * @throws ServletException If an error occurs.
     */
    public NtlmPasswordAuthentication doAuthentication(final HttpServletRequest req, final HttpServletResponse resp, final byte[] challenge)

        }
        return (capabilities & cap) == cap;
    }

    boolean isSignatureSetupRequired(final NtlmPasswordAuthentication auth) {
        return (flags2 & SmbConstants.FLAGS2_SECURITY_SIGNATURES) != 0 && digest == null && auth != NtlmPasswordAuthentication.NULL
                && !NtlmPasswordAuthentication.NULL.equals(auth);
    }

    void ssn139() throws IOException {

        ntlmServlet.service(request, response);

        ArgumentCaptor<NtlmPasswordAuthentication> authCaptor = ArgumentCaptor.forClass(NtlmPasswordAuthentication.class);
        verify(session).setAttribute(eq("NtlmHttpAuth"), authCaptor.capture());

        NtlmPasswordAuthentication capturedAuth = authCaptor.getValue();
        assertEquals("user", capturedAuth.getUsername());

                resp.setContentType("text/html");
            }
        };

        networkExplorer.init(servletConfig);

        // Setup authentication
        NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication(SingletonContext.getInstance(), "DOMAIN", "user", "pass");
        when(session.getAttribute("npa-workgroup")).thenReturn(auth);
        when(request.getPathInfo()).thenReturn("/workgroup/server/share/");

        when(mockConnection.getURL()).thenReturn(mockUrl);
        when(mockConnection.getRequestProperties()).thenReturn(new HashMap<>());

        // Mock CIFSContext behavior
        NtlmPasswordAuthentication creds = new NtlmPasswordAuthentication(
                new BaseContext(new PropertyConfiguration(System.getProperties())), "domain", "user", "password");
        when(mockCifsContext.getCredentials()).thenReturn(creds);

        }

        @Override
        public HashMap getTrustedDomains(NtlmPasswordAuthentication auth) throws SmbAuthException {
            if (disabled || auth.domain == "?")
                return null;
            return super.getTrustedDomains(auth);
        }

        @Override
        public SmbTransport getDc(String domain, NtlmPasswordAuthentication auth) throws SmbAuthException {
            if (disabled)

     * @throws ServletException if a servlet error occurs
     */
    protected NtlmPasswordAuthentication negotiate(final HttpServletRequest req, final HttpServletResponse resp,
            final boolean skipAuthentication) throws IOException, ServletException {
        UniAddress dc;
        String msg;
        NtlmPasswordAuthentication ntlm = null;
        msg = req.getHeader("Authorization");

     * @throws IOException
     */
    @Test
    public void testAuthenticate_Type3Message() throws IOException {
        // Setup: "Authorization" header with a Type 3 message
        when(mockRequest.getHeader("Authorization")).thenReturn("NTLM " + type3MessageBase64);

        // Execute

    }

    @SuppressWarnings("deprecation")
    private static boolean isExternalAuth(final NtlmPasswordAuthenticator pwAuth) {
        return pwAuth instanceof jcifs.smb.NtlmPasswordAuthentication
                && !((jcifs.smb.NtlmPasswordAuthentication) pwAuth).areHashesExternal() && pwAuth.getPassword().isEmpty();
    }

    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {

        Properties props = new Properties();
        props.setProperty("jcifs.smb.client.domain", "TEST_DOMAIN");
        CIFSContext context = new BaseContext(new PropertyConfiguration(props));
        NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication(context, "TEST_DOMAIN", "user", "pass");

        when(httpSession.getAttribute("NtlmHttpAuth")).thenReturn(auth);

        filter.doFilter(request, response, filterChain);