/**
     * @param tf
     * @param tdom
     * @param thost
     * @return
     */
    protected boolean matches(CIFSContext tf, String thost, String tdom) {
        return Objects.equals(this.getCredentials(), tf.getCredentials()) && Objects.equals(this.targetHost, thost)
                && Objects.equals(this.targetDomain, tdom);
    }

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.CIFSContext#getCredentials()
     */
    @Override
    public Credentials getCredentials() {
        return getDefaultCredentials();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.CIFSContext#hasDefaultCredentials()
     */
    @Override

        try (SmbSessionImpl treesess = t.getSession()) {
            if (treesess.getCredentials().isAnonymous() || treesess.getCredentials().isGuest()) {
                // refresh anonymous session or fallback to anonymous from guest login
                try (SmbSessionInternal s =

        mockCredentialsInternal = Mockito.mock(CredentialsInternal.class);

        Mockito.when(mockContext.getConfig()).thenReturn(mockConfig);
        Mockito.when(mockContext.getCredentials()).thenReturn(mockCredentials);
        Mockito.when(mockCredentials.unwrap(Mockito.any())).thenReturn(mockCredentialsInternal);
        Mockito.when(mockCredentialsInternal.clone()).thenReturn(mockCredentialsInternal);

        mockCredentialsInternal = Mockito.mock(CredentialsInternal.class);

        Mockito.when(mockContext.getConfig()).thenReturn(mockConfig);
        Mockito.when(mockContext.getCredentials()).thenReturn(mockCredentials);
        Mockito.when(mockCredentials.unwrap(Mockito.any())).thenReturn(mockCredentialsInternal);
        Mockito.when(mockCredentialsInternal.clone()).thenReturn(mockCredentialsInternal);

        pool = new SmbTransportPoolImpl();

        // Setup default mock behaviors
        when(ctx.getConfig()).thenReturn(config);
        when(ctx.getNameServiceClient()).thenReturn(nameSvc);
        when(ctx.getCredentials()).thenReturn(creds);
        when(ctx.getTransportPool()).thenReturn(pool);

        // Default config values
        when(config.getLocalAddr()).thenReturn(null);
        when(config.getLocalPort()).thenReturn(0);

        mockConfig = Mockito.mock(Configuration.class);
        mockCredentials = Mockito.mock(Credentials.class);

        Mockito.when(mockContext.getConfig()).thenReturn(mockConfig);
        Mockito.when(mockContext.getCredentials()).thenReturn(mockCredentials);

        // Mock CredentialsInternal for session tests
        jcifs.smb.CredentialsInternal mockCredentialsInternal = Mockito.mock(jcifs.smb.CredentialsInternal.class);

            throw new SmbException("Service is NULL");
        }

        if (transport.getContext().getConfig().isIpcSigningEnforced() && ("IPC$".equals(this.getShare()) || "IPC".equals(rsvc))
                && !sess.getCredentials().isAnonymous() && sess.getDigest() == null) {
            throw new SmbException("IPC signing is enforced, but no signing is available");
        }

        this.service = rsvc;

    public byte[] getChallenge(final CIFSContext tf, final Address dc, final int port) throws SmbException {
        try (SmbTransportInternal trans = tf.getTransportPool()
                .getSmbTransport(tf, dc, port, false, !tf.getCredentials().isAnonymous() && tf.getConfig().isIpcSigningEnforced())
                .unwrap(SmbTransportInternal.class)) {
            trans.ensureConnected();
            return trans.getServerEncryptionKey();

                }
                return ssn.acquire();
            }
            if (log.isTraceEnabled()) {
                log.trace("Existing session " + ssn + " does not match " + tf.getCredentials());
            }
        }

        /* logoff old sessions */
        if (tf.getConfig().getSessionTimeout() > 0 && this.sessionExpiration < (now = System.currentTimeMillis())) {