/* Copyright (C) 2014 Tal Aloni . All rights reserved. * * You can redistribute this program and/or modify it under the terms of * the GNU Lesser Public License as published by the Free Software Foundation, * either version 3 of the License, or (at your option) any later version. */ using System; using System.Collections.Generic; using System.Text; using Utilities; namespace SMBLibrary.SMB1 { /// /// SMB_COM_NEGOTIATE Response, NT LAN Manager dialect, Extended Security response /// public class NegotiateResponseNTLMExtended : SMB1Command { public const int ParametersLength = 34; // Parameters: public ushort DialectIndex; public SecurityMode SecurityMode; public ushort MaxMpxCount; public ushort MaxNumberVcs; public uint MaxBufferSize; public uint MaxRawSize; public uint SessionKey; public ServerCapabilities Capabilities; public DateTime SystemTime; public short ServerTimeZone; //byte ChallengeLength; // MUST be set to 0 // Data: public Guid ServerGuid; public byte[] SecurityBlob; public NegotiateResponseNTLMExtended() : base() { // MS-SMB Page 129: The server can leave SecurityBlob empty if not configured to send GSS token SecurityBlob = new byte[0]; } public NegotiateResponseNTLMExtended(byte[] buffer, int offset) : base(buffer, offset, false) { throw new NotImplementedException(); } public override byte[] GetBytes(bool isUnicode) { byte challengeLength = 0; this.SMBParameters = new byte[ParametersLength]; LittleEndianWriter.WriteUInt16(this.SMBParameters, 0, DialectIndex); ByteWriter.WriteByte(this.SMBParameters, 2, (byte)SecurityMode); LittleEndianWriter.WriteUInt16(this.SMBParameters, 3, MaxMpxCount); LittleEndianWriter.WriteUInt16(this.SMBParameters, 5, MaxNumberVcs); LittleEndianWriter.WriteUInt32(this.SMBParameters, 7, MaxBufferSize); LittleEndianWriter.WriteUInt32(this.SMBParameters, 11, MaxRawSize); LittleEndianWriter.WriteUInt32(this.SMBParameters, 15, SessionKey); LittleEndianWriter.WriteUInt32(this.SMBParameters, 19, (uint)Capabilities); LittleEndianWriter.WriteInt64(this.SMBParameters, 23, SystemTime.ToFileTimeUtc()); LittleEndianWriter.WriteInt16(this.SMBParameters, 31, ServerTimeZone); ByteWriter.WriteByte(this.SMBParameters, 33, challengeLength); this.SMBData = new byte[16 + SecurityBlob.Length]; LittleEndianWriter.WriteGuidBytes(this.SMBData, 0, ServerGuid); ByteWriter.WriteBytes(this.SMBData, 16, SecurityBlob); return base.GetBytes(isUnicode); } public override CommandName CommandName { get { return CommandName.SMB_COM_NEGOTIATE; } } } }