📄 inetserverdlg.cpp
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void CInetServerDlg::ReadTelnet(CClientSocket* pSocket,int i)
{
char buf[1024];
char buf2[1024];
CString tempstr = "";
int nix = pSocket->Receive(&buf, 1024,0);
if (buf[0] == -1) return;
if (buf[0] == 0) return;
if ((buf[0] == 8) && (nix == 1))
{
if (SocketList[i].Temp.GetLength()>=1)
{
sprintf(buf,"%c %c",8,8);
pSocket->Send (buf,strlen(buf),0);
SocketList[i].Temp.GetBufferSetLength(SocketList[i].Temp.GetLength()-1);
}
return;
}
buf[nix] = '\0';
//ok, generally we send everything back to to client (w/o lf)
if (SocketList[i].dontwrite == FALSE)
{
sprintf(buf2,"%s",buf);
DeleteCRLF(buf2);
pSocket->Send (buf2,strlen(buf2),0);
}
CString tempcstr;
tempstr = buf;
char sendstr[255];
tempcstr = tempstr;
SocketList[i].Temp = SocketList[i].Temp + tempstr;
if (SocketList[i].Temp.GetLength()>240) { SocketList[i].Temp = "";return;}; //buffer to large problem
tempstr = SocketList[i].Temp;
BOOL flf = FALSE;
if (tempstr.GetAt(tempstr.GetLength()-1) == '\r') flf = TRUE;
if (tempstr.GetAt(tempstr.GetLength()-2) == '\r') flf = TRUE;
if (flf == FALSE) return;
if (SocketList[i].status == 0) //user name check
{
SocketList[i].Temp = "";
char tempstr2[255];
sprintf(tempstr2,"%s",tempstr);
DeleteCRLF (tempstr2);
SocketList[i].Username = strupr(tempstr2);
sprintf(sendstr,"\r\npassword:");
pSocket->Send(sendstr,strlen(sendstr),0);
SocketList[i].dontwrite = TRUE;
SocketList[i].status = 1;
return;
}
if (SocketList[i].status == 1) //password
{
SocketList[i].dontwrite = FALSE;
int itsok = -1;
for (int zz = 0;zz<=MailUserList.GetSize()-1;zz++)
{
if (MailUserList[zz].Username== SocketList[i].Username) itsok = zz;
}
if (!MatchFlag (SocketList[i].Username,'T'))
{
itsok = -1;
}
if (itsok == -1)
{
char logstr[255];
sprintf(logstr,"Telnet login incorrect: User:%s from %s",SocketList[i].Username,SocketList[i].ip);
AddLog(logstr);
sprintf(sendstr,"\r\nI dont know you. Bye bye.");
pSocket->Send (sendstr,strlen(sendstr),0);
SocketList[i].pSock->ShutDown();
SocketList[i].pSock->Close();
sprintf(logstr,"Connection closed for %s",SocketList[i].ip);
AddLog(logstr);
SocketList.RemoveAt(i);
mc_list1.DeleteString(i);
ChngList();
return;
}
char logstr[255];
char tempstr2[255];
sprintf(tempstr2,"%s",tempstr);
CString tempcstr;
DeleteCRLF (tempstr2);
tempcstr = CreatePassword(tempstr2);
if (MailUserList[itsok].Password == tempcstr)
{
FILE *fpmotd;
fpmotd = fopen("telnet\\motd.txt","rt");
sprintf(sendstr,"\r\n");
pSocket->Send (sendstr,strlen(sendstr),0);
if (fpmotd == NULL)
{
AddLog("Couldn't read telnet motd from telnet\\motd.txt");
}
else
{
while (fgets(sendstr,255,fpmotd))
{
pSocket->Send (sendstr,strlen(sendstr),0);
pSocket->Send ("\r",1,0);
}
fclose(fpmotd);
}
sprintf(sendstr,"\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
SocketList[i].Temp = "";
SocketList[i].status = 2; //on it
sprintf(logstr,"Telnet login: %s from %s",SocketList[i].Username,SocketList[i].ip);
AddLog(logstr);
}
else
{
sprintf(sendstr,"\r\nWrong password.\r\nTry again");
pSocket->Send (sendstr,strlen(sendstr),0);
SocketList[i].pSock->ShutDown();
SocketList[i].pSock->Close();
char logstr[255];
sprintf(logstr,"Telnet login incorrect (wrong password): %s from %s",SocketList[i].Username,SocketList[i].ip);
AddLog(logstr);
sprintf(logstr,"Connection closed for %s",SocketList[i].ip);
AddLog(logstr);
SocketList.RemoveAt(i);
mc_list1.DeleteString(i);
ChngList();
}
return;
}
if (SocketList[i].status == 2)
{
char tempstr2[255];
sprintf(tempstr2,"%s",tempstr);
char sendstrh[1024];
SocketList[i].Temp = "";
DeleteCRLF(tempstr2);
if (strcmpi(tempstr2,"userlist") == 0)
{
if (MatchFlag (SocketList[i].Username,'O'))
{
sprintf(sendstrh,"\r\nUsername Flags Comment\r\n-----------------------------------------");
pSocket->Send (sendstrh,strlen(sendstrh),0);
for (int zz = 0;zz<=MailUserList.GetSize()-1;zz++)
{
sprintf(sendstrh,"\r\n%-20s %-14s %s",MailUserList[zz].Username,MailUserList[zz].Flags,MailUserList[zz].Comment);
pSocket->Send (sendstrh,strlen(sendstrh),0);
}
sprintf(sendstrh,"\r\n> ");
pSocket->Send (sendstrh,strlen(sendstrh),0);
return;
}
else
{
sprintf(sendstr,"\r\nAccess denied\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
return;
}
}
if (strcmpi(tempstr2,"version") == 0)
{
sprintf(sendstr,"\r\nInetserv version: %s\r\n",CURVER);
pSocket->Send (sendstr,strlen(sendstr),0);
sprintf(sendstr,"\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
return;
}
if (strcmpi(tempstr2,"help") == 0)
{
FILE *fphelp;
fphelp = fopen("telnet\\help.txt","rt");
sprintf(sendstr,"\r\n");
pSocket->Send (sendstr,strlen(sendstr),0);
if (fphelp == NULL)
{
AddLog("Couldn't read telnet help file");
sprintf(sendstr,"Couldn't read telnet help file\r\n");
pSocket->Send (sendstr,strlen(sendstr),0);
}
else
{
while (fgets(sendstr,255,fphelp))
{
pSocket->Send (sendstr,strlen(sendstr),0);
pSocket->Send ("\r",1,0);
}
fclose(fphelp);
}
sprintf(sendstr,"\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
return;
}
if (strcmpi(tempstr2,"exit") == 0)
{
sprintf(sendstrh,"\r\nBye bye!\r\n");
pSocket->Send (sendstrh,strlen(sendstrh),0);
SocketList[i].pSock->ShutDown();
SocketList[i].pSock->Close();
sprintf(sendstr,"Connection closed for %s",SocketList[i].ip);
AddLog(sendstr);
SocketList.RemoveAt(i);
mc_list1.DeleteString(i);
ChngList();
return;
}
if (strcmpi(tempstr2,"listmail") == 0)
{
sprintf(sendstrh,"\r\nCurrent mails for user %s\r\n",SocketList[i].Username);
pSocket->Send (sendstrh,strlen(sendstrh),0);
char fstr[255];
sprintf(fstr,"mail\\%s\\*.in",SocketList[i].Username);
HANDLE hFind;
char fname[255];
WIN32_FIND_DATA findData = {0};
hFind = FindFirstFile (fstr, &findData);
if (hFind == INVALID_HANDLE_VALUE)
{
sprintf(sendstr,"no mail\r\n> ",pop3_msg10);
pSocket->Send (sendstr,strlen(sendstr),0);
}
else
{
int c = 0;
int length = 0;
int status1 = 0;
do
{
if (findData.cFileName[0] != '.')
{
c++;
length = (findData.nFileSizeHigh * MAXDWORD) + findData.nFileSizeLow;
char sendstr[255];
char templine[255];
char lastsubject[255];
char lastfrom[255];
sprintf(fname,"mail\\%s\\%s",SocketList[i].Username, findData.cFileName);
FILE *fp = fopen(fname,"rt");
if (fp != NULL)
{
while (!feof(fp))
{
fgets(templine,255,fp);
DeleteCRLF(templine);
if ((templine[0] == 'S') && (templine[1] == 'u') && (templine[2] == 'b')
&& (templine[3] == 'j') && (templine[4] == 'e') && (templine[5] == 'c')
&& (templine[6] == 't') && (templine[7] == ':'))
{
sprintf(lastsubject,"%s",templine);
}
if ((templine[0] == 'F') && (templine[1] == 'r') && (templine[2] == 'o')
&& (templine[3] == 'm') && (templine[4] == ':'))
{
sprintf(lastfrom,"%s",templine);
}
if (stricmp(templine,"\r\n") == 0) break;
}
fclose(fp);
sprintf(sendstr,"----------------------------------------\r\nSize: %i\r\n%s\r\n%s\r\n",length,lastsubject,lastfrom);
pSocket->Send (sendstr,strlen(sendstr),0);
}
}
}
while (FindNextFile(hFind, &findData));
FindClose (hFind);
}
sprintf(sendstr,"\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
return;
}
if (strcmpi(tempstr2,"status") == 0)
{
if (MatchFlag (SocketList[i].Username,'O'))
{
sprintf(sendstrh,"\r\n# Type Username IP");
pSocket->Send (sendstrh,strlen(sendstrh),0);
sprintf(sendstrh,"\r\n----------------------------------------------------");
pSocket->Send (sendstrh,strlen(sendstrh),0);
for (int x= 0;x<=SocketList.GetSize()-1;x++)
{
if (SocketList[x].typ == 1) //POP3
{
sprintf(sendstrh,"\r\n%-3i POP3 %-20s %s",x,SocketList[x].Username,SocketList[x].ip);
pSocket->Send (sendstrh,strlen(sendstrh),0);
}
if (SocketList[x].typ == 2) //SMTP
{
sprintf(sendstrh,"\r\n%-3i SMTP %-20s %s",x,SocketList[x].Username,SocketList[x].ip);
pSocket->Send (sendstrh,strlen(sendstrh),0);
}
if (SocketList[x].typ == 3) //telnet
{
sprintf(sendstrh,"\r\n%-3i Telnet %-20s %s",x,SocketList[x].Username,SocketList[x].ip);
pSocket->Send (sendstrh,strlen(sendstrh),0);
}
if (SocketList[x].typ == 4) //webmail
{
sprintf(sendstrh,"\r\n%-3i WebMail %-20s %s",x,SocketList[x].Username,SocketList[x].ip);
pSocket->Send (sendstrh,strlen(sendstrh),0);
}
}
sprintf(sendstrh,"\r\n> ");
pSocket->Send (sendstrh,strlen(sendstrh),0);
return;
}
else
{
sprintf(sendstr,"\r\nAccess denied\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
return;
}
}
if (strcmpi(tempstr2,"restart") == 0)
{
if (MatchFlag (SocketList[i].Username,'O'))
{
sprintf(sendstrh,"\r\nLets hope we run as service!\r\n");
pSocket->Send (sendstrh,strlen(sendstrh),0);
PostQuitMessage(0);
return;
}
else
{
sprintf(sendstr,"\r\nAccess denied\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
return;
}
}
if (strcmpi(tempstr2,"getreg") == 0)
{
if (MatchFlag (SocketList[i].Username,'O'))
{
sprintf(sendstrh,"\r\nKeyname:");
pSocket->Send (sendstrh,strlen(sendstrh),0);
SocketList[i].status = 6;
return;
}
else
{
sprintf(sendstr,"\r\nAccess denied\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
return;
}
}
if (strcmpi(tempstr2,"setreg") == 0)
{
if (MatchFlag (SocketList[i].Username,'O'))
{
sprintf(sendstrh,"\r\nKeyname:");
pSocket->Send (sendstrh,strlen(sendstrh),0);
SocketList[i].status = 7;
return;
}
else
{
sprintf(sendstr,"\r\nAccess denied\r\n> ");
pSocket->Send (sendstr,strlen(sendstr),0);
return;
}
}
if (strcmpi(tempstr2,"fwdlist") == 0)
{
if (MatchFlag (SocketList[i].Username,'O'))
{
sprintf(sendstrh,"\r\nFrom To");
pSocket->Send (sendstrh,strlen(sendstrh),0);
sprintf(sendstrh,"\r\n----------------------------------------------------");
pSocket->Send (sendstrh,strlen(sendstrh),0);
BOOL fwd =FALSE;
FILE *fwdfp;
fwdfp = fopen ("forward.ctl","rt");
if (fwdfp != NULL)
{
char fwdstr[255];
char fwdsrc[255];
char fwddest[255];
sprintf(fwdstr,"");
while (!feof(fwdfp))
{
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