C
C
Close an SSH Tunnel
See more Socket/SSL/TLS Examples
Demonstrates Socket.SshCloseTunnel, which closes the SSH tunnel opened by SshOpenTunnel and terminates its forwarded channels.
Background. Closing the tunnel does not affect unrelated SSH objects or connections.
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#include <C_CkSocket.h>
void ChilkatSample(void)
{
BOOL success;
HCkSocket socket;
const char *sshPassword;
success = FALSE;
socket = CkSocket_Create();
// Connect to the SSH server and initialize an SSH tunneling session. Port 22 is conventional but
// not required.
success = CkSocket_SshOpenTunnel(socket,"ssh.example.com",22);
if (success == FALSE) {
printf("%s\n",CkSocket_lastErrorText(socket));
CkSocket_Dispose(socket);
return;
}
// Authenticate the SSH session before opening forwarded channels.
// The SSH password should come from a secure source rather than being hard-coded.
sshPassword = "mySshPassword";
success = CkSocket_SshAuthenticatePw(socket,"sshUser",sshPassword);
if (success == FALSE) {
printf("%s\n",CkSocket_lastErrorText(socket));
CkSocket_Dispose(socket);
return;
}
// Close the SSH tunnel and terminate its forwarded channels. This does not affect unrelated SSH
// objects or connections.
success = CkSocket_SshCloseTunnel(socket);
if (success == FALSE) {
printf("%s\n",CkSocket_lastErrorText(socket));
CkSocket_Dispose(socket);
return;
}
printf("SSH tunnel closed.\n");
CkSocket_Dispose(socket);
}