*/
    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 ) {

   *  * 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(
            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);

      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);

            } 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);

    mockResponse = mockResponse.addHeader("")
    mockResponse = mockResponse.addHeader("", "")
    mockResponse = mockResponse.addHeaderLenient("", Any())
    mockResponse = mockResponse.setHeader("", Any())
    mockResponse.headers = headersOf()
    mockResponse.trailers = headersOf()
    mockResponse = mockResponse.removeHeader("")
    var body: Buffer? = mockResponse.getBody()

				}
				hdr.Xattrs[k[len(paxSchilyXattr):]] = v
			}
		}
		if err != nil {
			return ErrHeader
		}
	}
	hdr.PAXRecords = paxHdrs
	return nil
}

// parsePAX parses PAX headers.
// If an extended header (type 'x') is invalid, ErrHeader is returned.
func parsePAX(r io.Reader) (map[string]string, error) {
	buf, err := readSpecialFile(r)
	if err != nil {
		return nil, err

                if (StringUtil.isBlank(responseContentType)) {
                    response.setHeader("Content-Type", "application/json");
                } else {
                    response.setHeader("Content-Type", responseContentType);
                }
                CopyUtil.copy(in, out);
            } catch (final ClientAbortException e) {

                    type.length() > 1 && type.length() < 6 ) {
                resp.setContentType( mimeMap.getMimeType( type ));
            }
            resp.setHeader( "Content-Length", file.length() + "" );
            resp.setHeader( "Accept-Ranges", "Bytes" );

            while(( n = in.read( buf )) != -1 ) {
                out.write( buf, 0, n );
            }
        }
        // TODO catch IOException