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NeoStats-NeoIRCd/modules/m_llnick.c

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/*
* NeoIRCd: NeoStats Group. Based on Hybird7
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* 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
*
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* $Id: m_llnick.c,v 1.4 2002/09/13 16:30:03 fishwaldo Exp $
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*/
#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);
}
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const char *_version = "$Revision: 1.4 $";
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#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))
{
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sendto_realops_flags(FLAGS_ALL|FLAGS_REMOTE, L_ALL,
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"*** 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);
}