/** The key of the configuration. e.g. elevateword */
    String ONLINE_HELP_NAME_ELEVATEWORD = "online.help.name.elevateword";

    /** The key of the configuration. e.g. reqheader */
    String ONLINE_HELP_NAME_REQHEADER = "online.help.name.reqheader";

    /** The key of the configuration. e.g. synonym */
    String ONLINE_HELP_NAME_DICT_SYNONYM = "online.help.name.dict.synonym";

	flagComment = 1 << 4
)

var (
	// ErrChecksum is returned when reading GZIP data that has an invalid checksum.
	ErrChecksum = errors.New("gzip: invalid checksum")
	// ErrHeader is returned when reading GZIP data that has an invalid header.
	ErrHeader = errors.New("gzip: invalid header")
)

var le = binary.LittleEndian

// noEOF converts io.EOF to io.ErrUnexpectedEOF.
func noEOF(err error) error {
	if err == io.EOF {

   *  * The stream is exhausted.
   *  * We've read all of the bytes of an object whose length is known.
   *  * We've reached the [DerHeader.TAG_END_OF_CONTENTS] of an object whose length is unknown.
   */
  fun peekHeader(): DerHeader? {
    var result = peekedHeader

    if (result == null) {
      result = readHeader()
      peekedHeader = result
    }

    if (result.isEndOfData) return null

    return result
  }

     */
    public static NtlmPasswordAuthentication authenticate ( CIFSContext tc, HttpServletRequest req, HttpServletResponse resp, byte[] challenge )
            throws IOException {
        String msg = req.getHeader("Authorization");
        if ( msg != null && msg.startsWith("NTLM ") ) {
            byte[] src = Base64.decode(msg.substring(5));
            if ( src[ 8 ] == 1 ) {

      name = "test",
      tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
      tag = 16L,
    ) {
      derWriter.write(
        name = "test",
        tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
        tag = 21L,
      ) {
        derWriter.writeOctetString("Smith".encodeUtf8())
      }

      derWriter.write(
        name = "test",
        tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
        tag = 1L,

            }
            catch ( SmbAuthException sae ) {
                response.setHeader("WWW-Authenticate", "NTLM");
                if ( offerBasic ) {
                    response.addHeader("WWW-Authenticate", "Basic realm=\"" + this.realm + "\"");
                }
                response.setHeader("Connection", "close");
                response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

    public static NtlmPasswordAuthentication authenticate(
            HttpServletRequest req, HttpServletResponse resp, byte[] challenge)
                    throws IOException, ServletException {
        String msg = req.getHeader("Authorization");
        if (msg != null && msg.startsWith("NTLM ")) {
            byte[] src = Base64.decode(msg.substring(5));
            if (src[8] == 1) {
                Type1Message type1 = new Type1Message(src);

            } catch (SmbAuthException sae) {
                response.setHeader("WWW-Authenticate", "NTLM");
                if (offerBasic) {
                    response.addHeader("WWW-Authenticate", "Basic realm=\"" +
                            realm + "\"");
                }
                response.setHeader("Connection", "close");
                response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

		},
		{
			handler:    headerCounterHandler,
			reqHeaders: http.Header{},
			health:     probe.Success,
			accBody:    "3",
		},
		{
			handler:    headerKeysNamesHandler,
			reqHeaders: http.Header{},
			health:     probe.Success,
			accBody:    "Accept\nConnection\nUser-Agent",
		},
		{
			handler: headerEchoHandler,
			reqHeaders: http.Header{
				"Accept-Encoding": {"gzip"},
			},

            return new BasicAuthenticator()
        }

        @Override
        protected boolean containsUnexpectedAuthentication(HttpServletRequest request) {
            return request.getHeader(HttpHeaders.AUTHORIZATION)
        }
    }

    private static class HideUnauthorizedBasicAuthHandler extends AuthSchemeHandler {
        @Override
        protected String constraintName() {