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construct/modules/m_pong.c
2009-01-17 01:18:19 +01:00

135 lines
4 KiB
C

/*
* ircd-ratbox: A slightly useful ircd.
* m_pong.c: The reply to a ping message.
*
* 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_pong.c 3181 2007-02-01 00:49:07Z jilles $
*/
#include "stdinc.h"
#include "ircd.h"
#include "s_user.h"
#include "client.h"
#include "hash.h" /* for find_client() */
#include "hook.h"
#include "numeric.h"
#include "s_conf.h"
#include "send.h"
#include "channel.h"
#include "match.h"
#include "msg.h"
#include "parse.h"
#include "hash.h"
#include "modules.h"
static int mr_pong(struct Client *, struct Client *, int, const char **);
static int ms_pong(struct Client *, struct Client *, int, const char **);
struct Message pong_msgtab = {
"PONG", 0, 0, 0, MFLG_SLOW | MFLG_UNREG,
{{mr_pong, 0}, mg_ignore, mg_ignore, {ms_pong, 2}, mg_ignore, mg_ignore}
};
mapi_clist_av1 pong_clist[] = { &pong_msgtab, NULL };
DECLARE_MODULE_AV1(pong, NULL, NULL, pong_clist, NULL, NULL, "$Revision: 3181 $");
static int
ms_pong(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
const char *destination;
destination = parv[2];
source_p->flags &= ~FLAGS_PINGSENT;
/* Now attempt to route the PONG, comstud pointed out routable PING
* is used for SPING. routable PING should also probably be left in
* -Dianora
* That being the case, we will route, but only for registered clients (a
* case can be made to allow them only from servers). -Shadowfax
*/
if(!EmptyString(destination) && !match(destination, me.name) &&
irccmp(destination, me.id))
{
if((target_p = find_client(destination)))
sendto_one(target_p, ":%s PONG %s %s",
get_id(source_p, target_p), parv[1],
get_id(target_p, target_p));
else
{
if(!IsDigit(*destination))
sendto_one_numeric(source_p, ERR_NOSUCHSERVER,
form_str(ERR_NOSUCHSERVER), destination);
return 0;
}
}
/* destination is us, emulate EOB */
if(IsServer(source_p) && !HasSentEob(source_p))
{
if(MyConnect(source_p))
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"End of burst (emulated) from %s (%d seconds)",
source_p->name,
(signed int) (rb_current_time() - source_p->localClient->firsttime));
SetEob(source_p);
eob_count++;
call_hook(h_server_eob, source_p);
}
return 0;
}
static int
mr_pong(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
if(parc == 2 && !EmptyString(parv[1]))
{
if(ConfigFileEntry.ping_cookie && source_p->user && source_p->name[0])
{
unsigned long incoming_ping = strtoul(parv[1], NULL, 16);
if(incoming_ping)
{
if(source_p->localClient->random_ping == incoming_ping)
{
char buf[USERLEN + 1];
rb_strlcpy(buf, source_p->username, sizeof(buf));
source_p->flags |= FLAGS_PING_COOKIE;
register_local_user(client_p, source_p, buf);
}
else
{
sendto_one(source_p, form_str(ERR_WRONGPONG),
me.name, source_p->name,
source_p->localClient->random_ping);
return 0;
}
}
}
}
else
sendto_one(source_p, form_str(ERR_NOORIGIN), me.name, source_p->name);
source_p->flags &= ~FLAGS_PINGSENT;
return 0;
}