I want to get the IP address of the client on SSL server with the following code,

        int sock;
        sock = SSL_get_fd(s); // s is a type of SSL, sock returns right value
        struct sockaddr_in peer;
        socklen_t peer_len = sizeof(peer);
        int ret = getpeername(sock, (struct sockaddr *) &peer, &peer_len);

Here ret is 0, but peer address is

(gdb) print peer
$16 = {sin_family = 10, sin_port = 37604, sin_addr = {s_addr = 0}, sin_zero = "\000\000\000\000\000\000\000"}

Look the sin_family value is 10, that is AF_INET6, and s_addr is 0. However the client makes connection to server on IPv4.

apps/openssl s_server and s_client are used as server and client.

This is very weird, any ideas?

Many thanks,

/Kaiduan