+ total_socket_in += len;
+
+ rp.data.len = ntohs(rp.data.len);
+ rp.len = ntohs(rp.len);
+ rp.from = ntohl(rp.from);
+
+ if(rp.len >= 0)
+ {
+ f = lookup_conn(rp.from);
+ if(!f)
+ {
+ syslog(LOG_ERR, _("Got packet from %s (%s) with unknown origin %d.%d.%d.%d?"),
+ cl->vpn_hostname, cl->real_hostname, IP_ADDR_V(rp.from));
+ return -1;
+ }
+
+ if(f->status.validkey)
+ xrecv(f, &rp);
+ else
+ {
+ add_queue(&(f->rq), &rp, rp.len);
+ if(!cl->status.waitingforkey)
+ send_key_request(rp.from);
+ }
+
+ if(my_key_expiry <= time(NULL))
+ regenerate_keys();
+ }