/**
     * Compare two addresses for equality. Two <tt>UniAddress</tt>s are equal
     * if they are both <tt>UniAddress</tt>' and refer to the same IP address.
     */
    public boolean equals( Object obj ) {
        return obj instanceof UniAddress && addr.equals(((UniAddress)obj).addr);
    }
/*
    public boolean equals( Object obj ) {
        return obj instanceof UniAddress && addr.hashCode() == obj.hashCode();
    }
*/

    }


    private static UniAddress[] wrapInetAddresses ( InetAddress[] iaddrs ) {
        UniAddress[] addrs = new UniAddress[iaddrs.length];
        for ( int ii = 0; ii < iaddrs.length; ii++ ) {
            addrs[ ii ] = new UniAddress(iaddrs[ ii ]);
        }
        return addrs;
    }


    private static UniAddress[] wrapNetbiosAddresses ( NetbiosAddress[] addr ) {

    static NbtAddress[] dc_list = null;
    static long dc_list_expiration;
    static int dc_list_counter;

    private static NtlmChallenge interrogate( NbtAddress addr ) throws SmbException {
        UniAddress dc = new UniAddress( addr );
        SmbTransport trans = SmbTransport.getSmbTransport( dc, 0 );
        if (USERNAME == null) {
            trans.connect();
            if (SmbTransport.log.level >= 3)

        if (_domains != null && System.currentTimeMillis() > _domains.expiration) {
            _domains = null;
        }
        if (_domains != null)
            return _domains.map;
        try {
            UniAddress addr = UniAddress.getByName(auth.domain, true);
            SmbTransport trans = SmbTransport.getSmbTransport(addr, 0);
            CacheEntry entry = new CacheEntry(Dfs.TTL * 10L);

//         * get roots in target domain
//         */
//
//        UniAddress dc = UniAddress.getByName(domainName);
//        SmbTransport trans = SmbTransport.getSmbTransport(dc, 0);
//        DfsReferral[] dr = trans.getDfsReferrals(auth, "\\" + domainName, 1);
//
//        handle = DcerpcHandle.getHandle("ncacn_np:" +
//                    UniAddress.getByName(dr[0].server).getHostAddress() +

     */
    protected NtlmPasswordAuthentication negotiate( HttpServletRequest req,
                HttpServletResponse resp,
                boolean skipAuthentication ) throws IOException, ServletException {
        UniAddress dc;
        String msg;
        NtlmPasswordAuthentication ntlm = null;
        msg = req.getHeader( "Authorization" );
        boolean offerBasic = enableBasic && (insecureBasic || req.isSecure());

                NetbiosAddress nbt = byName.unwrap(NetbiosAddress.class);
                if ( nbt != null ) {
                    return new UniAddress(this.replacementNetbios);
                }

                return new UniAddress(this.replacementINET);
            }


            private Address[] wrap ( String hostname, Address[] all ) {
                Address actual = all[ 0 ];

    }


    private static NtlmChallenge interrogate ( CIFSContext tf, Address addr ) throws SmbException {
        UniAddress dc = new UniAddress(addr);
        try ( SmbTransportInternal trans = tf.getTransportPool()
                .getSmbTransport(tf, dc, 0, false, tf.hasDefaultCredentials() && tf.getConfig().isIpcSigningEnforced())

                        byte[] ip = java.net.InetAddress.getByName(address).getAddress();
                        this.addresses = new UniAddress[1];
                        this.addresses[ 0 ] = new UniAddress(java.net.InetAddress.getByAddress(host, ip));
                    }
                }
                else if ( host.length() == 0 ) {
                    try {

                    String mb = NbtAddress.getByName( NbtAddress.MASTER_BROWSER_NAME, 0x01, null ).getHostAddress();
                    dc = UniAddress.getByName( mb );
                } else {
                    dc = UniAddress.getByName( server, possibleWorkgroup );
                }

                req.getSession(); /* ensure session id is set for cluster env. */