}

    /**
     * Gets the negotiated send buffer size.
     *
     * @return negotiated send buffer size
     */
    public int getNegotiatedSendBufferSize() {
        return this.snd_buf_size;
    }

    /**
     * Gets the negotiated multiplex count.
     *
     * @return negotiated multiplex count
     */
    public int getNegotiatedMpxCount() {
        return this.maxMpxCount;

    void signingModes() throws Exception {
        // Enforced via constructor flag -> optional false, enforced true regardless of negotiation
        SmbTransportImpl enforced = new SmbTransportImpl(ctx, address, 445, null, 0, true);
        assertFalse(enforced.isSigningOptional());
        assertTrue(enforced.isSigningEnforced());

        // Negotiated required -> enforced true; negotiated enabled-only -> optional true

    }

    /**
     * Gets the common capabilities negotiated between client and server.
     *
     * @return the common/negotiated capabilities
     */
    public final int getCommonCapabilities() {
        return this.commonCapabilities;
    }

    /**
     * Gets the initial security blob for authentication negotiation.
     *
     * @return initial security blob
     */

     * @param skipAuthentication If true the negotiation is only done if it is
     * initiated by the client (MSIE post requests after successful NTLM SSP
     * authentication). If false and the user has not been authenticated yet
     * the client will be forced to send an authentication (server sends
     * HttpServletResponse.SC_UNAUTHORIZED).
     * @return True if the negotiation is complete, otherwise false

     * @return True if the negotiation is complete, otherwise false
     * @throws IOException if an I/O error occurs
     * @throws ServletException if a servlet error occurs
     */
    protected NtlmPasswordAuthentication negotiate(final HttpServletRequest req, final HttpServletResponse resp,
            final boolean skipAuthentication) throws IOException, ServletException {
        Address dc;
        String msg;

    }

    private void negotiate(int port, final ServerMessageBlock resp) throws IOException {
        /* We cannot use Transport.sendrecv() yet because
         * the Transport thread is not setup until doConnect()
         * returns and we want to supress all communication
         * until we have properly negotiated.
         */
        synchronized (sbuf) {
            if (port == 139) {

            log.debug("Secure negotiation failure");
            throw new CIFSException("Mismatched attributes validating negotiate info");
        }

        log.debug("Secure negotiation OK");
    }

    /**
     * @param transport
     * @return
     * @throws SmbException
     */

        
        RdmaNegotiateResponse response = rdmaConnection.negotiate(request);
        
        if (!response.isSuccess()) {
            throw new IOException("RDMA negotiation failed: " + response.getStatus());
        }
        
        // Update connection parameters based on negotiation
        credits.setCreditsGranted(response.getCreditsGranted());

        verify(transport).close();
    }

    @Test
    @DisplayName("getServerTimeZoneOffset: SMB1 negotiate path multiplies minutes to millis")
    void getServerTimeZoneOffsetSmb1() throws Exception {
        // Uses concrete SMB1 negotiate response to exercise SMB1-specific branch
        // Build a concrete SMB1 negotiate response to expose ServerData fields
        jcifs.CIFSContext ctx = mock(jcifs.CIFSContext.class);

    void testPreauthHashThreadSafety() throws Exception {
        // Setup SMB3.1.1 negotiation
        when(negotiateResponse.getSelectedDialect()).thenReturn(DialectVersion.SMB311);
        when(negotiateResponse.getSelectedPreauthHash()).thenReturn(1); // SHA-512
        setPrivateField(transport, "smb2", true);
        setPrivateField(transport, "negotiated", negotiateResponse);

        int threadCount = 10;