Re: How do I get the remote address and port of a SSH client connecting to a SSH server?

[Juan Carlos Sanchez <4plugins@xxxxxxxxx>]

On 22/07/17 10:25, Nicolas Lykke Iversen wrote:
> Thank you Stef,
>
> What socket do you use to get the address and port of the client? In 
> what structure is it located?

you can use "ssh_get_fd" to get it from your "ssh_session":

socket_t ssh_get_fd(ssh_session session)

jcs
> -Nicolas
>
> 2017-07-21 15:55 GMT+02:00 Stef Bon <stefbon@xxxxxxxxx 
> <mailto:stefbon@xxxxxxxxx>>:
>
>     2017-07-21 14:11 GMT+02:00 Nicolas Lykke Iversen
>     <nlykkei@xxxxxxxxx <mailto:nlykkei@xxxxxxxxx>>:
>     > I've a working SSH client and server written using libssh.
>     >
>     > On the server side, I would like to know the address and port of
>     the client
>     > once it has connected.
>     >
>     > Looking through ssh_bind and ssh_session, I can get the address
>     and port on
>     > which the server listens. However, I cannot find any fields to
>     get the
>     > address and port of the connected client?
>
>     I just know a general method. Recently I had the same issue.
>     If you have a socket (=fd) for the connection between server and
>     client,
>     get the sockaddr addr using:
>
>     getpeername(fd, &addr, &len)
>
>     this addr is the input for getnameinfo:
>
>     getnameinfo(&addr, len, buffer, NI_MAXHOST, NULL, 0, NI_NAMEREQD);
>
>     where
>     char buffer[NI_MAXHOST]
>     see man getnameinfo.
>
>     in buffer is the hostname of the client as the server knows it. This
>     may not be the exact dns name,
>     if the hostnames are not available through dns.
>
>     O and the address in case of ipv4 is simular:
>
>     struct sockaddr_in addr
>     socklen_t len=sizeof(struct sockaddr_in);
>     getpeername(fd, &addr, &len);
>     address=inet_ntoa(addr.sin_addr);
>
>     Stef