// ServerChallenge
        byte[] challengeBytes = getChallenge();
        System.arraycopy(challengeBytes != null ? challengeBytes : new byte[8], 0, type2, pos, 8);
        pos += 8;

        // Reserved
        byte[] contextBytes = getContext();
        System.arraycopy(contextBytes != null ? contextBytes : new byte[8], 0, type2, pos, 8);
        pos += 8;

        // TargetInfoFields

        byte[] temp = new byte[28 + targetInfoLength + 4];

        Encdec.enc_uint32le(0x00000101, temp, 0); // Header
        Encdec.enc_uint32le(0x00000000, temp, 4); // Reserved
        Encdec.enc_uint64le(nanos1601, temp, 8);
        System.arraycopy(clientChallenge, 0, temp, 16, 8);
        Encdec.enc_uint32le(0x00000000, temp, 24); // Unknown
        if (targetInfo != null)

import jcifs.smb1.util.Hexdump;

import java.io.IOException;

abstract class AndXServerMessageBlock extends ServerMessageBlock {

    private static final int ANDX_COMMAND_OFFSET  = 1;
    private static final int ANDX_RESERVED_OFFSET = 2;
    private static final int ANDX_OFFSET_OFFSET   = 3;

    private byte andxCommand        = (byte)0xFF;
    private int andxOffset          = 0;

    ServerMessageBlock andx = null;

        SMBUtil.writeInt4(this.impersonationLevel, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.smbCreateFlags, dst, dstIndex);
        dstIndex += 8;
        dstIndex += 8; // Reserved

        SMBUtil.writeInt4(this.desiredAccess, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.fileAttributes, dst, dstIndex);
        dstIndex += 4;

        if ( this.async ) {
            SMBUtil.writeInt8(this.asyncId, dst, dstIndex + 32);
            SMBUtil.writeInt8(this.sessionId, dst, dstIndex + 40);
        }
        else {
            // 4 reserved
            SMBUtil.writeInt4(this.treeId, dst, dstIndex + 36);
            SMBUtil.writeInt8(this.sessionId, dst, dstIndex + 40);
            // + signature
        }

            // ID for domain (used with relative IDs to get SIDs)
            int domainIdPointer = pacStream.readInt();

            // Skip some reserved fields
            pacStream.skipBytes(8);

            this.userAccountControl = pacStream.readInt();

            // Skip some reserved fields
            pacStream.skipBytes(28);

            // Extra SIDs information
            int extraSidCount = pacStream.readInt();

    private static final Logger log = LoggerFactory.getLogger(AndXServerMessageBlock.class);

    private static final int ANDX_COMMAND_OFFSET = 1;
    private static final int ANDX_RESERVED_OFFSET = 2;
    private static final int ANDX_OFFSET_OFFSET = 3;

    private byte andxCommand = (byte) 0xFF;
    private int andxOffset = 0;

    private ServerMessageBlock andx;

                int type = SMBUtil.readInt2(buffer, ncpos);
                int dataLen = SMBUtil.readInt2(buffer, ncpos + 2);
                ncpos += 4;
                ncpos += 4; // Reserved
                NegotiateContextResponse ctx = createContext(type);
                if ( ctx != null ) {
                    ctx.decode(buffer, ncpos, dataLen);
                    contexts[ i ] = ctx;
                }

// HIGH RISK ACTIVITIES.
//
//
// The rest is:
//
// Copyright (C) 1996 by Jef Poskanzer <******@****.***>.  All rights reserved.
//
// Copyright (C) 1996 by Wolfgang Platzer
// email: ******@****.***
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:

            _dst.enc_ndr_short(domain_guid.time_mid);
            _dst.enc_ndr_short(domain_guid.time_hi_and_version);
            _dst.enc_ndr_small(domain_guid.clock_seq_hi_and_reserved);
            _dst.enc_ndr_small(domain_guid.clock_seq_low);
            int _domain_guid_nodes = 6;
            int _domain_guid_nodei = _dst.index;
            _dst.advance(1 * _domain_guid_nodes);