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Sends IAC_DO_BINARY now

This commit is contained in:
mysticbbs 2012-09-04 05:26:54 -04:00
parent 8883209a1a
commit 8ea3545cb4
1 changed files with 87 additions and 34 deletions
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121
mdl/m_io_sockets.pas
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@ -79,24 +79,69 @@ Type
Implementation
{.$DEFINE SOCKETLOG}
{ TELNET NEGOTIATION CONSTANTS }
Const
Telnet_IAC = #255;
Telnet_DONT = #254;
Telnet_DO = #253;
Telnet_WONT = #252;
Telnet_WILL = #251;
Telnet_SB = #250;
Telnet_BINARY = #000;
Telnet_ECHO = #001;
Telnet_SE = #240;
Telnet_TERM = #24;
Telnet_SGA = #003;
Telnet_IAC = #255;
Telnet_DONT = #254;
Telnet_DO = #253;
Telnet_WONT = #252;
Telnet_WILL = #251;
Telnet_SB = #250;
Telnet_BINARY = #000;
Telnet_ECHO = #001;
Telnet_SE = #240;
Telnet_TERM = #24;
Telnet_SGA = #003;
Telnet_WINSIZE = #31;
Telnet_SPEED = #32;
Telnet_FLOW = #33;
Telnet_LINEMODE = #34;
FPSENDOPT = 0;
FPRECVOPT = 0;
{$IFDEF SOCKETLOG}
Function sCmd (C: Char) : String;
Begin
Case C of
Telnet_IAC : Result := ' IAC ';
Telnet_DONT : Result := ' DONT ';
Telnet_DO : Result := ' DO ';
Telnet_WONT : Result := ' WONT ';
Telnet_WILL : Result := ' WILL ';
Telnet_SB : Result := ' SB ';
Telnet_BINARY : Result := ' BINARY ';
Telnet_ECHO : Result := ' ECHO ';
Telnet_SE : Result := ' SE ';
Telnet_TERM : Result := ' TERM ';
Telnet_SGA : Result := ' SGA ';
Telnet_WINSIZE : Result := ' WINSIZE ';
Telnet_SPEED : Result := ' SPEED ';
Telnet_FLOW : Result := ' FLOW ';
Telnet_LINEMODE : Result := ' LINEMODE ';
Else
Result := ' UNKNOWN ' + strI2S(Ord(C)) + ' ';
End;
End;
Procedure sLog (S: String);
Var
T : Text;
Begin
Assign (T, 'socket.log');
Append (T);
If IoResult <> 0 Then ReWrite(T);
WriteLn(T, S);
Close(T);
End;
{$ENDIF}
Constructor TIOSocket.Create;
Begin
Inherited Create;
@ -143,6 +188,8 @@ Begin
Result := fpSend(FSocketHandle, @Buf, Len, FPSENDOPT);
While (Result = -1) and (SocketError = ESOCKEWOULDBLOCK) Do Begin
{$IFDEF SOCKETLOG} sLog('WriteBuf Blocking'); {$ENDIF}
WaitMS(10);
Result := fpSend(FSocketHandle, @Buf, Len, FPSENDOPT);
@ -246,6 +293,8 @@ Begin
Result := fpSend(FSocketHandle, @Temp, TempPos, FPSENDOPT);
While (Result = -1) and (SocketError = ESOCKEWOULDBLOCK) Do Begin
{$IFDEF SOCKETLOG} sLog('WriteBuf Blocking'); {$ENDIF}
WaitMS(10);
Result := fpSend(FSocketHandle, @Temp, TempPos, FPSENDOPT);
@ -263,6 +312,8 @@ Procedure TIOSocket.TelnetInBuffer (Var Buf: TIOBuffer; Var Len: LongInt);
Reply[3] := CmdType;
fpSend (FSocketHandle, @Reply[1], 3, FPSENDOPT);
{$IFDEF SOCKETLOG} sLog('Sending cmd: ' + sCmd(YesNo) + sCmd(CmdType)); sLog(''); {$ENDIF}
End;
Procedure SendData (CmdType: Char; Data: String);
@ -283,6 +334,8 @@ Procedure TIOSocket.TelnetInBuffer (Var Buf: TIOBuffer; Var Len: LongInt);
Reply[7 + DataLen] := Telnet_SE;
fpSend (FSocketHandle, @Reply[1], 7 + DataLen, FPSENDOPT);
{$IFDEF SOCKETLOG} sLog('Sending data: ' + sCmd(CmdType) + Data); {$ENDIF}
End;
Var
@ -295,6 +348,8 @@ Begin
TempPos := 0;
For Count := 0 to Len - 1 Do Begin
{$IFDEF SOCKETLOG} sLog('State loop: ' + strI2S(FTelnetState) + ' Cmd: ' + sCmd(Buf[Count]));{$ENDIF}
Case FTelnetState of
1 : If Buf[Count] = Telnet_IAC Then Begin
FTelnetState := 0;
@ -305,7 +360,7 @@ Begin
FTelnetCmd := Buf[Count];
End;
2 : Begin
FTelnetState := 0;
FTelnetState := 0; // reset state after command
Case FTelnetCmd of
Telnet_WONT : Begin
@ -330,26 +385,17 @@ Begin
ReplyBad := Telnet_DONT;
End;
If FTelnetClient Then Begin
Case Buf[Count] of
Telnet_BINARY,
Telnet_ECHO,
Telnet_SGA,
Telnet_TERM : SendCommand(ReplyGood, Buf[Count])
Else
SendCommand(ReplyBad, Buf[Count]);
End;
If Buf[Count] = Telnet_Echo Then
FTelnetEcho := (FTelnetCmd = Telnet_DO);
End Else Begin
Case Buf[Count] of
Telnet_ECHO : FTelnetEcho := True;
Telnet_SGA : ;
Else
SendCommand(ReplyBad, Buf[Count]);
End;
Case Buf[Count] of
Telnet_BINARY,
Telnet_ECHO,
Telnet_SGA,
Telnet_TERM : SendCommand(ReplyGood, Buf[Count])
Else
SendCommand(ReplyBad, Buf[Count]);
End;
If Buf[Count] = Telnet_Echo Then
FTelnetEcho := True;
End;
End;
End;
@ -365,9 +411,10 @@ Begin
FTelnetSubData := FTelnetSubData + Buf[Count];
Else
If Buf[Count] = Telnet_IAC Then Begin
Inc (FTelnetState);
Inc (FTelnetState); // might need to make this := 1;
End Else Begin
Temp[TempPos] := Buf[Count];
Inc (TempPos);
End;
End;
@ -578,8 +625,14 @@ Begin
Client.FTelnetServer := FTelnetServer;
Client.FTelnetClient := FTelnetClient;
If FTelnetServer Then
Client.WriteStr(#255#251#001#255#251#003); // IAC WILL ECHO
If FTelnetServer Then Begin
{$IFDEF SOCKETLOG} sLog('Sending cmd: DO ECHO'); {$ENDIF}
{$IFDEF SOCKETLOG} sLog('Sending cmd: WILL SGA'); {$ENDIF}
Client.WriteStr (TELNET_IAC + TELNET_WILL + TELNET_ECHO +
TELNET_IAC + TELNET_WILL + TELNET_SGA +
TELNET_IAC + TELNET_DO + TELNET_BINARY);
End;
Result := Client;
End;