mirror of
https://github.com/matrix-construct/construct
synced 2024-07-08 11:38:35 +02:00
117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_pong.c: The reply to a ping message.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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using namespace ircd;
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static const char pong_desc[] = "Provides the PONG command to respond to a PING message";
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static void mr_pong(struct MsgBuf *, client::client &, client::client &, int, const char **);
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static void ms_pong(struct MsgBuf *, client::client &, client::client &, int, const char **);
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struct Message pong_msgtab = {
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"PONG", 0, 0, 0, 0,
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{{mr_pong, 0}, mg_ignore, mg_ignore, {ms_pong, 2}, mg_ignore, mg_ignore}
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};
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mapi_clist_av1 pong_clist[] = { &pong_msgtab, NULL };
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DECLARE_MODULE_AV2(pong, NULL, NULL, pong_clist, NULL, NULL, NULL, NULL, pong_desc);
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static void
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ms_pong(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char *parv[])
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{
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client::client *target_p;
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const char *destination;
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destination = parv[2];
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source.flags &= ~client::flags::PINGSENT;
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/* Now attempt to route the PONG, comstud pointed out routable PING
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* is used for SPING. routable PING should also probably be left in
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* -Dianora
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* That being the case, we will route, but only for registered clients (a
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* case can be made to allow them only from servers). -Shadowfax
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*/
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if(!EmptyString(destination) && !match(destination, me.name) &&
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irccmp(destination, me.id))
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{
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if((target_p = find_client(destination)))
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sendto_one(target_p, ":%s PONG %s %s",
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get_id(&source, target_p), parv[1],
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get_id(target_p, target_p));
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else
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{
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if(!rfc1459::is_digit(*destination))
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sendto_one_numeric(&source, ERR_NOSUCHSERVER,
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form_str(ERR_NOSUCHSERVER), destination);
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return;
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}
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}
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/* destination is us, emulate EOB */
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if(is_server(source) && !has_sent_eob(source))
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{
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if(my_connect(source))
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sendto_realops_snomask(sno::GENERAL, L_ALL,
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"End of burst (emulated) from %s (%d seconds)",
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source.name,
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(signed int) (rb_current_time() - source.localClient->firsttime));
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set_eob(source);
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eob_count++;
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call_hook(h_server_eob, &source);
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}
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}
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static void
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mr_pong(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char *parv[])
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{
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if(parc == 2 && !EmptyString(parv[1]))
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{
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if(ConfigFileEntry.ping_cookie && source.flags & client::flags::SENTUSER && source.name[0])
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{
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uint32_t incoming_ping = strtoul(parv[1], NULL, 16);
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if(incoming_ping)
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{
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if(source.localClient->random_ping == incoming_ping)
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{
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source.flags |= client::flags::PING_COOKIE;
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register_local_user(&client, &source);
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}
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else
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{
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sendto_one(&source, form_str(ERR_WRONGPONG),
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me.name, source.name,
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source.localClient->random_ping);
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return;
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}
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}
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}
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}
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else
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sendto_one(&source, form_str(ERR_NOORIGIN), me.name, source.name);
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source.flags &= ~client::flags::PINGSENT;
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}
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