case SV_SWITCHNAME:
            {
                QUEUE_MSG;
                getstring(text, p);
                filtertext(text, text, 0, MAXNAMELEN);
                if(!text[0]) copystring(text, "unarmed");
                QUEUE_STR(text);
                bool namechanged = strcmp(cl->name, text) != 0;
                if(namechanged) logline(ACLOG_INFO,"[%s] %s changed name to %s", cl->hostname, cl->name, text);
                copystring(cl->name, text, MAXNAMELEN+1);
                if(namechanged)
                {
                    switch(nickblacklist.checkwhitelist(*cl))
                    {
                        case NWL_PWDFAIL:
                        case NWL_IPFAIL:
                            logline(ACLOG_INFO, "[%s] '%s' matches nickname whitelist: wrong IP/PWD", cl->hostname, cl->name);
                            disconnect_client(sender, DISC_BADNICK);
                            break;

                        case NWL_UNLISTED:
                        {
                            int l = nickblacklist.checkblacklist(cl->name);
                            if(l >= 0)
                            {
                                logline(ACLOG_INFO, "[%s] '%s' matches nickname blacklist line %d", cl->hostname, cl->name, l);
                                disconnect_client(sender, DISC_BADNICK);
                            }
                            break;
                        }
                    }
                }
                break;
            }