08-21-2016
Thanks for the response
These days, SSH takes place of Telnet in many systems due to its security level. The SSH protocol is supported by the CISCO routers and probably by others too.
The significant changes are mostly in the connection, read and write implementations.
There are diferent versions of libssh and libssh2 libararies. Each has its own rules an methods.
The problem is to find the library that suites your requirements.
Sent from my LG-D855 using Tapatalk
Last edited by zeev; 08-21-2016 at 04:50 PM..
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LEARN ABOUT DEBIAN
libssh2_channel_forward_listen_ex
libssh2_channel_forward_listen_ex(3) libssh2 manual libssh2_channel_forward_listen_ex(3)
NAME
libssh2_channel_forward_listen_ex - listen to inbound connections
SYNOPSIS
#include <libssh2.h>
LIBSSH2_LISTENER * libssh2_channel_forward_listen_ex(LIBSSH2_SESSION *session, char *host, int port, int *bound_port, int queue_maxsize);
LIBSSH2_LISTENER * libssh2_channel_forward_listen(LIBSSH2_SESSION *session, int port);
DESCRIPTION
Instruct the remote SSH server to begin listening for inbound TCP/IP connections. New connections will be queued by the library until
accepted by libssh2_channel_forward_accept(3).
session - instance as returned by libssh2_session_init().
host - specific address to bind to on the remote host. Binding to 0.0.0.0 (default when NULL is passed) will bind to all available
addresses.
port - port to bind to on the remote host. When 0 is passed, the remote host will select the first available dynamic port.
bound_port - Populated with the actual port bound on the remote host. Useful when requesting dynamic port numbers.
queue_maxsize - Maximum number of pending connections to queue before rejecting further attempts.
libssh2_channel_forward_listen(3) is a macro.
RETURN VALUE
A newly allocated LIBSSH2_LISTENER instance or NULL on failure.
ERRORS
LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed.
LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket.
LIBSSH2_ERROR_PROTO - An invalid SSH protocol response was received on the socket.
LIBSSH2_ERROR_REQUEST_DENIED - The remote server refused the request.
LIBSSH2_ERROR_EAGAIN - Marked for non-blocking I/O but the call would block.
SEE ALSO
libssh2_channel_forward_accept(3)
libssh2 0.15 1 Jun 2007 libssh2_channel_forward_listen_ex(3)