+ if (getenv("SSH_CLIENT") != NULL) {
+ /* Look up name of IP address given in $SSH_CLIENT */
+ char *addr = client_addr(fd);
+ struct sockaddr_in sin;
+#ifdef INET6
+ int dots = 0;
+ char *p;
+ struct sockaddr_in6 sin6;
+
+ for (p = addr; *p && (dots < 3); p++) {
+ if (*p == '.')
+ dots++;
+ }
+ if (dots > 3) {
+ /* more than 4 parts to IP address, must be ipv6 */
+ ssp = (struct sockaddr_storage *) &sin6;
+ ss_len = sizeof sin6;
+ memset(ssp, 0, ss_len);
+ inet_pton(AF_INET6, addr, &sin6.sin6_addr.s6_addr);
+ sin6.sin6_family = AF_INET6;
+ } else
+#endif
+ {
+ ssp = (struct sockaddr_storage *) &sin;
+ ss_len = sizeof sin;
+ memset(ssp, 0, ss_len);
+ inet_pton(AF_INET, addr, &sin.sin_addr.s_addr);
+ sin.sin_family = AF_INET;
+ }