elemental-ircd/modules/core/m_squit.c

224 lines
5.5 KiB
C

/*
* ircd-ratbox: A slightly useful ircd.
* m_squit.c: Makes a server quit.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* 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_squit.c 3161 2007-01-25 07:23:01Z nenolod $
*/
#include "stdinc.h"
#include "client.h"
#include "common.h" /* FALSE bleah */
#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
#include "logger.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "hash.h"
#include "s_newconf.h"
static int ms_squit(struct Client *, struct Client *, int, const char **);
static int mo_squit(struct Client *, struct Client *, int, const char **);
struct Message squit_msgtab = {
"SQUIT", 0, 0, 0, MFLG_SLOW,
{mg_unreg, mg_not_oper, {ms_squit, 0}, {ms_squit, 0}, mg_ignore, {mo_squit, 2}}
};
mapi_clist_av1 squit_clist[] = { &squit_msgtab, NULL };
DECLARE_MODULE_AV1(squit, NULL, NULL, squit_clist, NULL, NULL, "$Revision: 3161 $");
struct squit_parms
{
const char *server_name;
struct Client *target_p;
};
static struct squit_parms *find_squit(struct Client *client_p,
struct Client *source_p, const char *server);
/*
* mo_squit - SQUIT message handler
* parv[0] = sender prefix
* parv[1] = server name
* parv[2] = comment
*/
static int
mo_squit(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct squit_parms *found_squit;
const char *comment = (parc > 2 && parv[2]) ? parv[2] : client_p->name;
if((found_squit = find_squit(client_p, source_p, parv[1])))
{
if(MyConnect(found_squit->target_p))
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"Received SQUIT %s from %s (%s)",
found_squit->target_p->name,
get_client_name(source_p, HIDE_IP), comment);
ilog(L_SERVER, "Received SQUIT %s from %s (%s)",
found_squit->target_p->name, log_client_name(source_p, HIDE_IP),
comment);
}
else if(!IsOperRemote(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "remote");
return 0;
}
exit_client(client_p, found_squit->target_p, source_p, comment);
return 0;
}
else
{
sendto_one_numeric(source_p, ERR_NOSUCHSERVER, form_str(ERR_NOSUCHSERVER), parv[1]);
}
return 0;
}
/*
* ms_squit - SQUIT message handler
* parv[0] = sender prefix
* parv[1] = server name
* parv[2] = comment
*/
static int
ms_squit(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
const char *comment = (parc > 2 && parv[2]) ? parv[2] : client_p->name;
if(parc < 2)
target_p = client_p;
else
{
if((target_p = find_server(NULL, parv[1])) == NULL)
return 0;
if(IsMe(target_p))
target_p = client_p;
if(!IsServer(target_p))
return 0;
}
/* Server is closing its link */
if (target_p == client_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL, "Server %s closing link (%s)",
target_p->name, comment);
}
/*
** Notify all opers, if my local link is remotely squitted
*/
else if(MyConnect(target_p))
{
sendto_wallops_flags(UMODE_WALLOP, &me,
"Remote SQUIT %s from %s (%s)",
target_p->name, source_p->name, comment);
sendto_server(NULL, NULL, CAP_TS6, NOCAPS,
":%s WALLOPS :Remote SQUIT %s from %s (%s)",
me.id, target_p->name, source_p->name, comment);
ilog(L_SERVER, "SQUIT From %s : %s (%s)", parv[0], target_p->name, comment);
}
exit_client(client_p, target_p, source_p, comment);
return 0;
}
/*
* find_squit
* inputs - local server connection
* -
* -
* output - pointer to struct containing found squit or none if not found
* side effects -
*/
static struct squit_parms *
find_squit(struct Client *client_p, struct Client *source_p, const char *server)
{
static struct squit_parms found_squit;
struct Client *target_p = NULL;
struct Client *p;
rb_dlink_node *ptr;
/* must ALWAYS be reset */
found_squit.target_p = NULL;
found_squit.server_name = NULL;
/*
** The following allows wild cards in SQUIT. Only useful
** when the command is issued by an oper.
*/
RB_DLINK_FOREACH(ptr, global_serv_list.head)
{
p = ptr->data;
if(IsServer(p) || IsMe(p))
{
if(match(server, p->name))
{
target_p = p;
break;
}
}
}
if(target_p == NULL)
return NULL;
found_squit.target_p = target_p;
found_squit.server_name = server;
if(IsMe(target_p))
{
if(IsClient(client_p))
{
if(MyClient(client_p))
sendto_one_notice(source_p, ":You are trying to squit me.");
return NULL;
}
else
{
found_squit.target_p = client_p;
found_squit.server_name = client_p->name;
}
}
if(found_squit.target_p != NULL)
return &found_squit;
else
return (NULL);
}