public SMB2ConnectionState(ConnectionState state) : base(state)
{
}
/// <summary>
/// May return an empty list
/// </summary>
private List <SMB1Command> ProcessSMB1Command(SMB1Header header, SMB1Command command, ref ConnectionState state)
{
if (state.Dialect == SMBDialect.NotSet)
{
if (command is NegotiateRequest)
{
NegotiateRequest request = (NegotiateRequest)command;
if (request.Dialects.Contains(SMBServer.NTLanManagerDialect))
{
state = new SMB1ConnectionState(state);
state.Dialect = SMBDialect.NTLM012;
m_connectionManager.AddConnection(state);
if (EnableExtendedSecurity && header.ExtendedSecurityFlag)
{
return(NegotiateHelper.GetNegotiateResponseExtended(request, m_serverGuid));
}
else
{
return(NegotiateHelper.GetNegotiateResponse(header, request, m_securityProvider, state));
}
}
else
{
return(new NegotiateResponseNotSupported());
}
}
else
{
// [MS-CIFS] An SMB_COM_NEGOTIATE exchange MUST be completed before any other SMB messages are sent to the server
header.Status = NTStatus.STATUS_INVALID_SMB;
return(new ErrorResponse(command.CommandName));
}
}
else if (command is NegotiateRequest)
{
// There MUST be only one SMB_COM_NEGOTIATE exchange per SMB connection.
// Subsequent SMB_COM_NEGOTIATE requests received by the server MUST be rejected with error responses.
header.Status = NTStatus.STATUS_INVALID_SMB;
return(new ErrorResponse(command.CommandName));
}
else
{
return(ProcessSMB1Command(header, command, (SMB1ConnectionState)state));
}
}