trunk/modules/m_pong.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_pong.c: The reply to a ping message.
 *
 *  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
 *
 *  $Id$
 */

#include "stdinc.h"
#include "ircd.h"
#include "s_user.h"
#include "client.h"
#include "hash.h"       /* for find_client() */
#include "numeric.h"
#include "conf.h"
#include "send.h"
#include "irc_string.h"
#include "parse.h"
#include "modules.h"


static void
ms_pong(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  struct Client *target_p;
  const char *origin, *destination;

  if (parc < 2 || EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NOORIGIN),
               me.name, source_p->name);
    return;
  }

  origin = parv[1];
  destination = parv[2];

  /* 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 = hash_find_client(destination)) ||
        (target_p = hash_find_server(destination)))
      sendto_one(target_p, ":%s PONG %s %s",
                 source_p->name, origin, destination);
    else
    {
      sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
                 me.name, source_p->name, destination);
      return;
    }
  }
}

static void
mr_pong(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  assert(source_p == client_p);

  if (parc == 2 && *parv[1] != '\0')
  {
    if (ConfigFileEntry.ping_cookie && !source_p->localClient->registration)
    {
      unsigned int incoming_ping = strtoul(parv[1], NULL, 10);

      if (incoming_ping)
      {
        if (source_p->localClient->random_ping == incoming_ping)
        {
          SetPingCookie(source_p);
          register_local_user(source_p);
        }
        else
        {
          sendto_one(source_p, form_str(ERR_WRONGPONG), me.name,
                     source_p->name, source_p->localClient->random_ping);
          return;
        }
      }
    }
  }
  else
    sendto_one(source_p, form_str(ERR_NOORIGIN),
               me.name, source_p->name);
}

static struct Message pong_msgtab = {
  "PONG", 0, 0, 1, MAXPARA, MFLG_SLOW, 0,
  {mr_pong, m_ignore, ms_pong, m_ignore, m_ignore, m_ignore}
};

static void
module_init(void)
{
  mod_add_cmd(&pong_msgtab);
}

static void
module_exit(void)
{
  mod_del_cmd(&pong_msgtab);
}

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	1569
Committed:	Tue Oct 16 18:46:53 2012 UTC (12 years, 10 months ago) by michael
Content type:	text/x-csrc
Original Path:	*ircd-hybrid-8/modules/m_pong.c*
File size:	3621 byte(s)
Log Message:	- Removed remnants of MFLG_UNREG which is no longer needed with the current implementation of message handlers
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_pong.c: The reply to a ping message.
4			*
5			* Copyright (C) 2002 by the past and present ircd coders, and others.
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20			* USA
21			*
22	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26			#include "ircd.h"
27			#include "s_user.h"
28			#include "client.h"
29			#include "hash.h" /* for find_client() */
30			#include "numeric.h"
31	michael	1309	#include "conf.h"
32	adx	30	#include "send.h"
33			#include "irc_string.h"
34			#include "parse.h"
35			#include "modules.h"
36
37
38			static void
39			ms_pong(struct Client client_p, struct Client source_p,
40			int parc, char *parv[])
41			{
42			struct Client *target_p;
43			const char origin, destination;
44
45	michael	1121	if (parc < 2 \|\| EmptyString(parv[1]))
46	adx	30	{
47			sendto_one(source_p, form_str(ERR_NOORIGIN),
48	michael	1230	me.name, source_p->name);
49	adx	30	return;
50			}
51
52			origin = parv[1];
53			destination = parv[2];
54
55			/* Now attempt to route the PONG, comstud pointed out routable PING
56			* is used for SPING. routable PING should also probably be left in
57			* -Dianora
58			* That being the case, we will route, but only for registered clients (a
59			* case can be made to allow them only from servers). -Shadowfax
60			*/
61			if (!EmptyString(destination) && !match(destination, me.name) &&
62			irccmp(destination, me.id))
63			{
64	michael	1169	if ((target_p = hash_find_client(destination)) \|\|
65			(target_p = hash_find_server(destination)))
66			sendto_one(target_p, ":%s PONG %s %s",
67	michael	1230	source_p->name, origin, destination);
68	michael	1169	else
69			{
70			sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
71	michael	1230	me.name, source_p->name, destination);
72	michael	1169	return;
73			}
74	adx	30	}
75			}
76
77			static void
78			mr_pong(struct Client client_p, struct Client source_p,
79			int parc, char *parv[])
80			{
81	michael	503	assert(source_p == client_p);
82
83	adx	30	if (parc == 2 && *parv[1] != '\0')
84			{
85	michael	503	if (ConfigFileEntry.ping_cookie && !source_p->localClient->registration)
86	adx	30	{
87	michael	982	unsigned int incoming_ping = strtoul(parv[1], NULL, 10);
88	michael	503
89			if (incoming_ping)
90			{
91			if (source_p->localClient->random_ping == incoming_ping)
92			{
93			SetPingCookie(source_p);
94	michael	1080	register_local_user(source_p);
95	michael	503	}
96			else
97			{
98			sendto_one(source_p, form_str(ERR_WRONGPONG), me.name,
99			source_p->name, source_p->localClient->random_ping);
100			return;
101			}
102	adx	30	}
103			}
104	michael	503	}
105	adx	30	else
106	michael	1230	sendto_one(source_p, form_str(ERR_NOORIGIN),
107			me.name, source_p->name);
108	adx	30	}
109	michael	1230
110			static struct Message pong_msgtab = {
111	michael	1569	"PONG", 0, 0, 1, MAXPARA, MFLG_SLOW, 0,
112	michael	1230	{mr_pong, m_ignore, ms_pong, m_ignore, m_ignore, m_ignore}
113			};
114
115			static void
116			module_init(void)
117			{
118			mod_add_cmd(&pong_msgtab);
119			}
120
121			static void
122			module_exit(void)
123			{
124			mod_del_cmd(&pong_msgtab);
125			}
126
127			struct module module_entry = {
128			.node = { NULL, NULL, NULL },
129			.name = NULL,
130			.version = "$Revision$",
131			.handle = NULL,
132			.modinit = module_init,
133			.modexit = module_exit,
134			.flags = 0
135			};