private void TelnetInterpreter(object Sender, NvtParserEventArgs e)
{
switch (e.Action)
{
case NvtActions.SendUp:
this.Parser.ParseString (e.CurChar.ToString ());
break;
case NvtActions.Execute:
this.NvtExecuteChar (e.CurChar);
break;
default:
break;
}
// if the sequence is a DO message
if (e.CurSequence.StartsWith ("\xFD"))
{
System.Char CurCmd = System.Convert.ToChar (e.CurSequence.Substring (1, 1));
switch (CurCmd)
{
// 24 - terminal type
case '\x18':
NvtSendWill (CurCmd);
break;
default:
NvtSendWont (CurCmd);
//System.Console.Write ("unsupported telnet DO sequence {0} happened\n",
//System.Convert.ToInt32 (System.Convert.ToChar (e.CurSequence.Substring (1,1))));
break;
}
}
// if the sequence is a WILL message
if (e.CurSequence.StartsWith ("\xFB"))
{
System.Char CurCmd = System.Convert.ToChar (e.CurSequence.Substring (1, 1));
switch (CurCmd)
{
case '\x01': // echo
NvtSendDo (CurCmd);
break;
default:
NvtSendDont (CurCmd);
//System.Console.Write ("unsupported telnet WILL sequence {0} happened\n",
//System.Convert.ToInt32 (System.Convert.ToChar (e.CurSequence.Substring (1,1))));
break;
}
}
// if the sequence is a SUBNEGOTIATE message
if (e.CurSequence.StartsWith ("\xFA"))
{
if (e.CurSequence[2] != '\x01')
{
// not interested in data from host just yet as we don't ask for it at the moment
return;
}
System.Char CurCmd = System.Convert.ToChar (e.CurSequence.Substring (1, 1));
switch (CurCmd)
{
// 24 - terminal type
case '\x18':
NvtSendSubNeg (CurCmd, "vt220");
break;
default:
NvtSendSubNeg (CurCmd, "");
System.Console.Write ("unsupported telnet SUBNEG sequence {0} happened\n",
System.Convert.ToInt32 (System.Convert.ToChar (e.CurSequence.Substring (1,1))));
break;
}
}
}
private void TelnetInterpreter(object Sender, NvtParserEventArgs e)
{
//counttelint
//prntSome.printSome(System.String.Format("CurChar:{0}CurSequence:{1}", e.CurChar, e.CurSequence), "TelnetInterpreter", counttelint);
switch (e.Action)
{
case NvtActions.SendUp:
this.Parser.ParseString(e.CurChar.ToString());
break;
case NvtActions.Execute:
this.NvtExecuteChar(e.CurChar);
break;
default:
break;
}
// if the sequence is a DO message
if (e.CurSequence.StartsWith("\xFD"))
{
System.Char CurCmd = System.Convert.ToChar(e.CurSequence.Substring(1, 1));
//prntSome.printSome(System.String.Format("CurChar:{0}CurSequence:{1:X}", e.CurChar, e.CurSequence), "will", counttelint);
//counttelint++;
switch (CurCmd)
{
// 24 - terminal type
case '\x18':
NvtSendWill(CurCmd);
break;
default:
NvtSendWont(CurCmd);
//System.Console.Write ("unsupported telnet DO sequence {0} happened\n",
//System.Convert.ToInt32 (System.Convert.ToChar (e.CurSequence.Substring (1,1))));
break;
}
}
// if the sequence is a WILL message
if (e.CurSequence.StartsWith("\xFB"))
{
System.Char CurCmd = System.Convert.ToChar(e.CurSequence.Substring(1, 1));
//prntSome.printSome(System.String.Format("CurChar:{0}CurSequence:{1:X}", e.CurChar, e.CurSequence), "do", counttelint);
switch (CurCmd)
{
case '\x01': // echo
NvtSendDo(CurCmd);
break;
default:
NvtSendDont(CurCmd);
//System.Console.Write ("unsupported telnet WILL sequence {0} happened\n",
//System.Convert.ToInt32 (System.Convert.ToChar (e.CurSequence.Substring (1,1))));
break;
}
}
// if the sequence is a SUBNEGOTIATE message
if (e.CurSequence.StartsWith("\xFA"))
{
//prntSome.printSome(System.String.Format("CurChar:{0}CurSequence:{1:X}", e.CurChar, e.CurSequence), "sub", counttelint);
if (e.CurSequence[2] != '\x01')
{
// not interested in data from host just yet as we don't ask for it at the moment
return;
}
System.Char CurCmd = System.Convert.ToChar(e.CurSequence.Substring(1, 1));
switch (CurCmd)
{
// 24 - terminal type
case '\x18':
NvtSendSubNeg(CurCmd, "ansi"); //"vt220");
break;
default:
NvtSendSubNeg(CurCmd, "");
System.Console.Write("unsupported telnet SUBNEG sequence {0} happened\n",
System.Convert.ToInt32(System.Convert.ToChar(e.CurSequence.Substring(1, 1))));
break;
}
}
//counttelint++;
}
