/* * NeoIRCd: NeoStats Group. Based on Hybird7 * m_llnick.c: Used to introduce a client on a lazy-link. * * Copyright (C) 2002 by the past and present ircd coders, and others. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA * * $Id: m_llnick.c,v 1.4 2002/09/13 16:30:03 fishwaldo Exp $ */ #include "stdinc.h" #include "tools.h" #include "client.h" #include "hash.h" #include "common.h" #include "hash.h" #include "irc_string.h" #include "ircd.h" #include "list.h" #include "numeric.h" #include "s_serv.h" #include "send.h" #include "handlers.h" #include "msg.h" #include "parse.h" #include "modules.h" static void ms_llnick(struct Client*, struct Client*, int, char**); struct Message llnick_msgtab = { "LLNICK", 0, 0, 3, 0, MFLG_SLOW | MFLG_UNREG, 0L, {m_unregistered, m_ignore, ms_llnick, m_ignore} }; #ifndef STATIC_MODULES void _modinit(void) { mod_add_cmd(&llnick_msgtab); } void _moddeinit(void) { mod_del_cmd(&llnick_msgtab); } const char *_version = "$Revision: 1.4 $"; #endif /* * m_llnick * parv[0] = sender prefix * parv[1] = status * parv[2] = nick * parv[3] = old nick * */ static void ms_llnick(struct Client *client_p, struct Client *source_p, int parc, char *parv[]) { char *nick; char *nick_old = NULL; struct Client *target_p = NULL; int exists = 0; int new = 0; dlink_node *ptr; if(!IsCapable(client_p,CAP_LL) || !IsCapable(client_p, CAP_HUB)) { sendto_realops_flags(FLAGS_ALL|FLAGS_REMOTE, L_ALL, "*** LLNICK requested from non LL server %s", client_p->name); return; } if (parc < 4) return; if (*parv[1] == 'Y') exists = 1; nick = parv[2]; nick_old = parv[3]; if (*nick_old == '!') new = 1; if (new) { nick_old++; /* skip '!' */ /* New user -- find them */ for( ptr = unknown_list.head; ptr; ptr = ptr->next ) { if( !strcmp(nick_old, ((struct Client *)ptr->data)->llname) ) { target_p = ptr->data; *target_p->llname = '\0'; /* unset their temp-nick */ break; } } if (!target_p) /* Can't find them -- maybe they got a different nick */ return; } else { /* Existing user changing nickname */ target_p = find_client(nick_old); if (!target_p) /* Can't find them -- maybe they got a different nick */ return; } /* Don't try this on a remote client... */ if (!MyConnect(target_p)) return; if(find_client(nick) || exists) { /* The nick they want is in use. complain */ sendto_one(target_p, form_str(ERR_NICKNAMEINUSE), me.name, new ? "*" : nick_old, nick); return; } if(new) set_initial_nick(target_p, target_p, nick); else change_local_nick(target_p, target_p, nick); }