* Use freely, no copyrights.
* Use Linux.
*
+ * Parts Copyright Steven Edwards
+ * Public Domain
+ *
* TODO:
* - access control
* - will/won't handshake
* - Unify Debugging output and return StatusCodes
*/
-#include <stdio.h>
-#include <windows.h>
-
#include "telnetd.h"
#define telnetd_printf printf
-
#if 0
-extern void syslog (int priority, const char *fmt, ...);
-
-int telnetd_printf(const char *format, ...)
+static inline int telnetd_printf(const char *format, ...);
{
- syslog (6, format);
+ printf(format,...);
+ syslog (6, format);
}
#endif
static BOOLEAN bShutdown = 0;
static BOOLEAN bSocketInterfaceInitialised = 0;
-
static int sock;
/* In the future, some options might be passed here to handle
*/
int main(int argc, char **argv)
{
+ printf("Attempting to start Simple TelnetD\n");
+
+// DetectPlatform();
SetConsoleCtrlHandler(Cleanup, 1);
if (!StartSocketInterface())
if (client == NULL)
ErrorExit("failed to allocate memory for client");
-
client->socket = client_socket;
CreateThread(NULL, 0, UserLoginThread, client, 0, &threadID);
}
PROCESS_INFORMATION piProcInfo;
SECURITY_ATTRIBUTES saAttr;
- const char *name = "c:\\windows\\system32\\cmd.exe";
+ const char *name = "c:\\reactos\\system32\\cmd.exe";
const char *cmd = NULL;
//const char *name = "d:\\cygwin\\bin\\bash.exe";
//const char *cmd = "d:\\cygwin\\bin\\bash.exe --login -i";
/* TerminateShell */
static void TerminateShell(client_t *client)
{
- DWORD exitCode;
- DWORD dwWritten;
- char stop[] = "\003\r\nexit\r\n"; /* Ctrl-C + exit */
+ DWORD exitCode;
+ DWORD dwWritten;
+ char stop[] = "\003\r\nexit\r\n"; /* Ctrl-C + exit */
- GetExitCodeProcess(client->hProcess, &exitCode);
- if (exitCode == STILL_ACTIVE) {
- telnetd_printf("user shell still active, send Ctrl-Break to group-id %lu\n", client->dwProcessId );
+ GetExitCodeProcess(client->hProcess, &exitCode);
- if (!GenerateConsoleCtrlEvent( CTRL_BREAK_EVENT, client->dwProcessId ))
- telnetd_printf("Failed to send Ctrl_break\n");
+ if (exitCode == STILL_ACTIVE)
+ {
+ HANDLE hEvent = NULL;
+ DWORD dwWaitResult;
- Sleep(500);
+ telnetd_printf("user shell still active, send Ctrl-Break to group-id %lu\n", client->dwProcessId );
- if (!GenerateConsoleCtrlEvent( CTRL_C_EVENT, client->dwProcessId ))
- telnetd_printf("Failed to send Ctrl_C\n");
+ hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
- Sleep(500);
+ if (hEvent == NULL)
+ printf("CreateEvent error\n");
- if (!WriteFile(client->hChildStdinWr, stop, sizeof(stop), &dwWritten, NULL))
- telnetd_printf("Error writing to pipe\n");
+ if (!GenerateConsoleCtrlEvent( CTRL_BREAK_EVENT, client->dwProcessId ))
+ telnetd_printf("Failed to send Ctrl_break\n");
- Sleep(500);
+ if (!GenerateConsoleCtrlEvent( CTRL_C_EVENT, client->dwProcessId ))
+ telnetd_printf("Failed to send Ctrl_C\n");
- GetExitCodeProcess(client->hProcess, &exitCode);
- if (exitCode == STILL_ACTIVE) {
- telnetd_printf("user shell still active, attempt to terminate it now...\n");
- TerminateProcess(client->hProcess, 0);
+ if (!WriteFile(client->hChildStdinWr, stop, sizeof(stop), &dwWritten, NULL))
+ telnetd_printf("Error writing to pipe\n");
+
+ /* wait for our handler to be called */
+ dwWaitResult=WaitForSingleObject(hEvent, 500);
+
+ if (WAIT_FAILED==dwWaitResult)
+ telnetd_printf("WaitForSingleObject failed\n");
+
+ GetExitCodeProcess(client->hProcess, &exitCode);
+ if (exitCode == STILL_ACTIVE)
+ {
+ telnetd_printf("user shell still active, attempt to terminate it now...\n");
+
+ if (hEvent != NULL)
+ {
+ if (!CloseHandle(hEvent))
+ telnetd_printf("CloseHandle");
+ }
+ TerminateProcess(client->hProcess, 0);
+ }
+ TerminateProcess(client->hProcess, 0);
}
- }
+ TerminateProcess(client->hProcess, 0);
}
/* ErrorExit */