C / C++ / MFC

//creating pipes
if(!CreatePipe(&hChildStdoutRd, &hChildStdoutWr, &secattr, 0))
     AfxMessageBox("Error in pipe Out");

SetHandleInformation(hChildStdoutRd, HANDLE_FLAG_INHERIT, 0);

if(!CreatePipe(&hChildStdinRd, &hChildStdinWr, &secattr, 0))
     AfxMessageBox("Error in pipe In");

SetHandleInformation(hChildStdinWr, HANDLE_FLAG_INHERIT, 0);

/////////////////////////////////////////////////////////////
// In another thread, I started the app. The pipes stay in a object that is
// passed through parameter to the thread execution.
STARTUPINFO sInfo; 
ZeroMemory(&sInfo,sizeof(sInfo));
PROCESS_INFORMATION pInfo; 
ZeroMemory(&pInfo,sizeof(pInfo));
sInfo.cb=sizeof(sInfo);
sInfo.dwFlags |= STARTF_USESTDHANDLES;
sInfo.hStdInput = cssh->hChildStdinRd; 
sInfo.hStdOutput = cssh->hChildStdoutWr; 
sInfo.hStdError = cssh->hChildStdoutWr;

//In the same thread, I read the first line of execution...
CloseHandle(csftp->hChildStdoutWr);

for( ;; ) {
 if(!ReadFile(csftp->hChildStdoutRd, buf, 100, &dwRead, NULL) || dwRead == 0)
   break;
   
   buf[dwRead] = '\0';
   strAux = buf;
   cssh->ShowText(strAux);
}

// The password is typed in a Edit (for test porpouse only), and a try this code:
strcpy(strPass, szBuf);

if(!WriteFile(hChildStdinWr, szBuf, strPass.GetLength() ,&dwWritten, NULL))
   AfxMessageBox("Error in hChildStdinWr");

if(!CloseHandle(hChildStdinWr))
   AfxMessageBox("Error in hChildStdinWr");

<br />
user@host's password: <br />
user@host's password: <br />
user@host's password: <br />
user@host's password: <br />
user@host's password: <br />
Using username "user".<br />
Access denied<br />
Access denied<br />
Access denied<br />
Access denied<br />
Access denied<br />
Fatal: Server sent disconnect message<br />
type 2 (SSH_DISCONNECT_PROTOCOL_ERROR):<br />
"Too many authentication failures for user"<br />