libssh2_channel_direct_tcpip_ex (3) Linux Manual Page

libssh2_channel_direct_tcpip_ex – Tunnel a TCP connection through an SSH session

Synopsis

#include <libssh2.h>

LIBSSH2_CHANNEL * libssh2_channel_direct_tcpip_ex(LIBSSH2_SESSION *session, const char *host, int port, const char *shost, int sport);

LIBSSH2_CHANNEL * libssh2_channel_direct_tcpip(LIBSSH2_SESSION *session, const char *host, int port);

Description

session – Session instance as returned by libssh2_session_init_ex(3)

host – Third party host to connect to using the SSH host as a proxy.

port – Port on third party host to connect to.

shost – Host to tell the SSH server the connection originated on.

sport – Port to tell the SSH server the connection originated from.

Tunnel a TCP/IP connection through the SSH transport via the remote host to a third party. Communication from the client to the SSH server remains encrypted, communication from the server to the 3rd party host travels in cleartext.

Return Value

Pointer to a newly allocated LIBSSH2_CHANNEL instance, or NULL on errors.

Errors

LIBSSH2_ERROR_ALLOC – An internal memory allocation call failed.

See Also

libssh2_session_init_ex(3)