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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.

Chilkat C Downloads

C
#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);

    }