ircd-hybrid-7.2/modules/m_ping.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_ping.c: Requests that a PONG message be sent back.
 *
 *  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: m_ping.c,v 1.40 2004/07/08 00:27:22 erik Exp $
 */

#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "irc_string.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "hash.h"
#include "s_conf.h"
#include "s_serv.h"

static void m_ping(struct Client*, struct Client*, int, char**);
static void ms_ping(struct Client*, struct Client*, int, char**);

struct Message ping_msgtab = {
  "PING", 0, 0, 1, 0, MFLG_SLOW, 0,
  {m_unregistered, m_ping, ms_ping, m_ignore, m_ping, m_ping}
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&ping_msgtab);
}

void
_moddeinit(void)
{
  mod_del_cmd(&ping_msgtab);
}

const char *_version = "$Revision: 1.40 $";
#endif

/*
** m_ping
**      parv[0] = sender prefix
**      parv[1] = origin
**      parv[2] = destination
*/
static void
m_ping(struct Client *client_p, struct Client *source_p,
       int parc, char *parv[])
{
  struct Client *target_p;
  char  *origin, *destination;

  if (parc < 2 || *parv[1] == '\0')
  {
    sendto_one(source_p, form_str(ERR_NOORIGIN), me.name, parv[0]);
    return;
  }

  origin = parv[1];
  destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */

  if (ConfigFileEntry.disable_remote && !IsOper(source_p))
  {
    sendto_one(source_p,":%s PONG %s :%s", me.name,
              (destination) ? destination : me.name, origin);
    return;
  }

  if (!EmptyString(destination) && irccmp(destination, me.name) != 0)
  {
    /* We're sending it across servers.. origin == client_p->name --fl_ */
    origin = client_p->name;

    /* XXX - sendto_server() ? --fl_ */
    if ((target_p = find_server(destination)) != NULL)
    {
      struct Client *ll_p;

      /* use the direct link for LL checking */
      ll_p = target_p->from;

      if(ServerInfo.hub && IsCapable(ll_p, CAP_LL))
      {
        if((ll_p->lazyLinkClientExists & target_p->localClient->serverMask) == 0)
          client_burst_if_needed(target_p, ll_p);
      }

      sendto_one(target_p,":%s PING %s :%s", parv[0],
                 origin, destination);
    }
    else
    {
      sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
                 me.name, parv[0], destination);
      return;
    }
  }
  else
    sendto_one(source_p,":%s PONG %s :%s", me.name,
               (destination) ? destination : me.name, origin);
}

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

  if (parc < 2 || *parv[1] == '\0')
  {
    sendto_one(source_p, form_str(ERR_NOORIGIN), me.name, parv[0]);
    return;
  }

  origin = source_p->name;
  destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */

  if (!EmptyString(destination) && irccmp(destination, me.name) != 0 && irccmp(destination, me.id) != 0)
  {
    if ((target_p = find_server(destination)))
      sendto_one(target_p,":%s PING %s :%s", parv[0],
                 origin, destination);
    else
    {
      sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
                 ID_or_name(&me, client_p), parv[0], destination);
      return;
    }
  }
  else
    sendto_one(source_p,":%s PONG %s :%s",
               ID_or_name(&me, client_p), (destination) ? destination : me.name, origin);
}
Revision:	30
Committed:	Sun Oct 2 20:03:27 2005 UTC (20 years, 9 months ago) by adx
Content type:	text/x-csrc
Original Path:	*ircd-hybrid/modules/m_ping.c*
File size:	4258 byte(s)
Log Message:	- imported sources - can be moved later according to the directory/branching scheme, but we need the svn up
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_ping.c: Requests that a PONG message be sent back.
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			* $Id: m_ping.c,v 1.40 2004/07/08 00:27:22 erik Exp $
23			*/
24
25			#include "stdinc.h"
26			#include "handlers.h"
27			#include "client.h"
28			#include "ircd.h"
29			#include "numeric.h"
30			#include "send.h"
31			#include "irc_string.h"
32			#include "msg.h"
33			#include "parse.h"
34			#include "modules.h"
35			#include "hash.h"
36			#include "s_conf.h"
37			#include "s_serv.h"
38
39			static void m_ping(struct Client, struct Client, int, char**);
40			static void ms_ping(struct Client, struct Client, int, char**);
41
42			struct Message ping_msgtab = {
43			"PING", 0, 0, 1, 0, MFLG_SLOW, 0,
44			{m_unregistered, m_ping, ms_ping, m_ignore, m_ping, m_ping}
45			};
46
47			#ifndef STATIC_MODULES
48			void
49			_modinit(void)
50			{
51			mod_add_cmd(&ping_msgtab);
52			}
53
54			void
55			_moddeinit(void)
56			{
57			mod_del_cmd(&ping_msgtab);
58			}
59
60			const char *_version = "$Revision: 1.40 $";
61			#endif
62
63			/*
64			** m_ping
65			** parv[0] = sender prefix
66			** parv[1] = origin
67			** parv[2] = destination
68			*/
69			static void
70			m_ping(struct Client client_p, struct Client source_p,
71			int parc, char *parv[])
72			{
73			struct Client *target_p;
74			char origin, destination;
75
76			if (parc < 2 \|\| *parv[1] == '\0')
77			{
78			sendto_one(source_p, form_str(ERR_NOORIGIN), me.name, parv[0]);
79			return;
80			}
81
82			origin = parv[1];
83			destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */
84
85			if (ConfigFileEntry.disable_remote && !IsOper(source_p))
86			{
87			sendto_one(source_p,":%s PONG %s :%s", me.name,
88			(destination) ? destination : me.name, origin);
89			return;
90			}
91
92			if (!EmptyString(destination) && irccmp(destination, me.name) != 0)
93			{
94			/* We're sending it across servers.. origin == client_p->name --fl_ */
95			origin = client_p->name;
96
97			/* XXX - sendto_server() ? --fl_ */
98			if ((target_p = find_server(destination)) != NULL)
99			{
100			struct Client *ll_p;
101
102			/* use the direct link for LL checking */
103			ll_p = target_p->from;
104
105			if(ServerInfo.hub && IsCapable(ll_p, CAP_LL))
106			{
107			if((ll_p->lazyLinkClientExists & target_p->localClient->serverMask) == 0)
108			client_burst_if_needed(target_p, ll_p);
109			}
110
111			sendto_one(target_p,":%s PING %s :%s", parv[0],
112			origin, destination);
113			}
114			else
115			{
116			sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
117			me.name, parv[0], destination);
118			return;
119			}
120			}
121			else
122			sendto_one(source_p,":%s PONG %s :%s", me.name,
123			(destination) ? destination : me.name, origin);
124			}
125
126			static void
127			ms_ping(struct Client client_p, struct Client source_p,
128			int parc, char *parv[])
129			{
130			struct Client *target_p;
131			const char origin, destination;
132
133			if (parc < 2 \|\| *parv[1] == '\0')
134			{
135			sendto_one(source_p, form_str(ERR_NOORIGIN), me.name, parv[0]);
136			return;
137			}
138
139			origin = source_p->name;
140			destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */
141
142			if (!EmptyString(destination) && irccmp(destination, me.name) != 0 && irccmp(destination, me.id) != 0)
143			{
144			if ((target_p = find_server(destination)))
145			sendto_one(target_p,":%s PING %s :%s", parv[0],
146			origin, destination);
147			else
148			{
149			sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
150			ID_or_name(&me, client_p), parv[0], destination);
151			return;
152			}
153			}
154			else
155			sendto_one(source_p,":%s PONG %s :%s",
156			ID_or_name(&me, client_p), (destination) ? destination : me.name, origin);
157			}