static String getMessageByCode( int errcode ) {
        /* Note there's a signedness error here because 0xC0000000 based values are
         * negative so it with NT_STATUS_SUCCESS (0) the binary search will not be
         * performed properly. The effect is that the code at index 1 is never found
         * (NT_STATUS_UNSUCCESSFUL). So here we factor out NT_STATUS_SUCCESS
         * as a special case (which it is).

    }

    int type;
    String domainName = null;
    String acctName = null;
    String origin_server = null;
    CIFSContext origin_ctx = null;


    /**
     * Construct a SID from it's binary representation.
     *
     * 
     * @param src
     * @param si
     */
    public SID ( byte[] src, int si ) {
        this.revision = src[ si++ ];
        this.sub_authority_count = src[ si++ ];

    /**
     * 
     */
    private static final long serialVersionUID = 484863569441792249L;
    
    // to replace a bunch of one-off binary searches
    private static final Map<Integer, String> errorCodeMessages;
    private static final Map<Integer, String> winErrorCodeMessages;
    private static final Map<Integer, Integer> dosErrorCodeStatuses;

    static {

/* encdec - encode and decode integers, times, and
 * internationalized strings to and from popular binary formats
 * http://www.ioplex.com/~miallen/encdec/
 * Copyright (c) 2003 Michael B. Allen <******@****.***>
 *
 * The GNU Library General Public License
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either

/* encdec - encode and decode integers, times, and
 * internationalized strings to and from popular binary formats
 * http://www.ioplex.com/~miallen/encdec/
 * Copyright (c) 2003 Michael B. Allen <******@****.***>
 *
 * The GNU Library General Public License
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either

    int type;
    String domainName = null;
    String acctName = null;
    String origin_server = null;
    NtlmPasswordAuthentication origin_auth = null;

    /*
     * Construct a SID from it's binary representation.
     */
    public SID(byte[] src, int si) {
        revision = src[si++];
        sub_authority_count = src[si++];
        identifier_authority = new byte[6];

        int bufferNdx = (int)(count % BLOCK_LENGTH);
        int padLen = (bufferNdx < 56) ? (56 - bufferNdx) : (120 - bufferNdx);

        // padding is alwas binary 1 followed by binary 0s
        byte[] tail = new byte[padLen + 8];
        tail[0] = (byte)0x80;

        // append length before final transform:
        // save number of bits, casting the long to an array of 8 bytes

//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright