private static final String DEFAULT_SERVICE = "cifs";

    private static final Set<ASN1ObjectIdentifier> PREFERRED_MECHS = new HashSet<>();

    private Subject subject = null;
    private String user = null;
    private String realm = null;
    private String service = DEFAULT_SERVICE;
    private int userLifetime = GSSCredential.DEFAULT_LIFETIME;
    private int contextLifetime = GSSContext.DEFAULT_LIFETIME;

            ssn.getSmbTree( LOGON_SHARE, null ).treeConnect( null, null );
        }
        return new NtlmChallenge( trans.server.encryptionKey, dc );
    }
    public static NtlmChallenge getChallengeForDomain()
                throws SmbException, UnknownHostException {
        if( DOMAIN == null ) {
            throw new SmbException( "A domain was not specified" );
        }

            ",user=" + user +
            ",workstation=" + workstation +
            ",lmResponse=" + (lmResponse == null ? "null" : "<" + lmResponse.length + " bytes>") +
            ",ntResponse=" + (ntResponse == null ? "null" : "<" + ntResponse.length + " bytes>") +
            ",sessionKey=" + (sessionKey == null ? "null" : "<" + sessionKey.length + " bytes>") +
            ",flags=0x" + jcifs.smb1.util.Hexdump.toHexString(getFlags(), 8) + "]";

            if ( this.path != null ) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.path);

            }
            if ( this.comment != null ) {
                _dst = _dst.deferred;
                _dst.enc_ndr_string(this.comment);

            }
            if ( this.stores != null ) {
                _dst = _dst.deferred;

                resp.flushBuffer();
                return null;
            }
            req.getSession().setAttribute("NtlmHttpAuth", ntlm);
        }
        else {
            if ( !skipAuthentication ) {
                HttpSession ssn = req.getSession(false);
                if ( ssn == null || ( ntlm = (NtlmPasswordAuthentication) ssn.getAttribute("NtlmHttpAuth") ) == null ) {

        return "Type2Message[target=" + targetString + ",challenge=" + ( challengeBytes == null ? "null" : "<" + challengeBytes.length + " bytes>" )
                + ",context=" + ( contextBytes == null ? "null" : "<" + contextBytes.length + " bytes>" ) + ",targetInformation="
                + ( targetInformationBytes == null ? "null" : "<" + targetInformationBytes.length + " bytes>" ) + ",flags=0x"

                    this.primaryDomain = a.getUserDomain() != null ? a.getUserDomain().toUpperCase() : "?";
                    if ( server.encryptedPasswords ) {
                        this.lmHash = a.getAnsiHash(tc, server.encryptionKey);
                        this.ntHash = a.getUnicodeHash(tc, server.encryptionKey);
                        // prohibit HTTP auth attempts for the null session

            URLStreamHandler handler = PROTOCOL_HANDLERS.get(protocol);
            if ( handler != null )
                return handler;
            if ( factory != null ) {
                handler = factory.createURLStreamHandler(protocol);
            }
            if ( handler == null ) {
                String path = System.getProperty(HANDLER_PKGS_PROPERTY);

        Assume.assumeFalse("Is standalone DFS", isStandalone());
        DfsReferralData ref = doResolve(null, "", true);
        DfsReferralData ref2 = doResolve(null, "", true);
        DfsReferralData ref3 = doResolve(null, "foo", true);
        assertNotNull(ref);
        assertNotNull(ref2);
        assertNotNull(ref3);
        assertEquals(ref, ref2);

        String suppliedWorkstation = getSuppliedWorkstation();
        return "Type1Message[suppliedDomain=" + (suppliedDomain == null ? "null" : suppliedDomain) +
                ",suppliedWorkstation=" + (suppliedWorkstation == null ? "null" : suppliedWorkstation) +
                ",flags=0x" + jcifs.smb1.util.Hexdump.toHexString(getFlags(), 8) + "]";
    }

    /**