/[svn]/ircd-hybrid-7.2/modules/m_pong.c
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Contents of /ircd-hybrid-7.2/modules/m_pong.c

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Revision 503 - (show annotations)
Fri Mar 3 19:53:47 2006 UTC (14 years, 4 months ago) by michael
File MIME type: text/x-chdr
File size: 3744 byte(s)
- Backported CAP changes from HEAD since it doesn't affect
  any of the ircd's core components and should be supported
  as soon as possible.

1 /*
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 * $Id$
23 */
24
25 #include "stdinc.h"
26 #include "ircd.h"
27 #include "handlers.h"
28 #include "s_user.h"
29 #include "client.h"
30 #include "hash.h" /* for find_client() */
31 #include "numeric.h"
32 #include "s_conf.h"
33 #include "send.h"
34 #include "irc_string.h"
35 #include "msg.h"
36 #include "parse.h"
37 #include "modules.h"
38
39 static void mr_pong(struct Client *, struct Client *, int, char **);
40 static void ms_pong(struct Client *, struct Client *, int, char **);
41
42 struct Message pong_msgtab = {
43 "PONG", 0, 0, 1, 0, MFLG_SLOW | MFLG_UNREG, 0,
44 {mr_pong, m_ignore, ms_pong, m_ignore, m_ignore, m_ignore}
45 };
46
47 #ifndef STATIC_MODULES
48 void
49 _modinit(void)
50 {
51 mod_add_cmd(&pong_msgtab);
52 }
53
54 void
55 _moddeinit(void)
56 {
57 mod_del_cmd(&pong_msgtab);
58 }
59
60 const char *_version = "$Revision$";
61 #endif
62
63 static void
64 ms_pong(struct Client *client_p, struct Client *source_p,
65 int parc, char *parv[])
66 {
67 struct Client *target_p;
68 const char *origin, *destination;
69
70 if (parc < 2 || *parv[1] == '\0')
71 {
72 sendto_one(source_p, form_str(ERR_NOORIGIN),
73 me.name, parv[0]);
74 return;
75 }
76
77 origin = parv[1];
78 destination = parv[2];
79
80 /* Now attempt to route the PONG, comstud pointed out routable PING
81 * is used for SPING. routable PING should also probably be left in
82 * -Dianora
83 * That being the case, we will route, but only for registered clients (a
84 * case can be made to allow them only from servers). -Shadowfax
85 */
86 if (!EmptyString(destination) && !match(destination, me.name) &&
87 irccmp(destination, me.id))
88 {
89 if ((target_p = find_client(destination)) ||
90 (target_p = find_server(destination)))
91 sendto_one(target_p,":%s PONG %s %s",
92 parv[0], origin, destination);
93 else
94 {
95 sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
96 me.name, parv[0], destination);
97 return;
98 }
99 }
100 }
101
102 static void
103 mr_pong(struct Client *client_p, struct Client *source_p,
104 int parc, char *parv[])
105 {
106 assert(source_p == client_p);
107
108 if (parc == 2 && *parv[1] != '\0')
109 {
110 if (ConfigFileEntry.ping_cookie && !source_p->localClient->registration)
111 {
112 unsigned long incoming_ping = strtoul(parv[1], NULL, 10);
113
114 if (incoming_ping)
115 {
116 if (source_p->localClient->random_ping == incoming_ping)
117 {
118 char buf[USERLEN + 1];
119
120 strlcpy(buf, source_p->username, sizeof(buf));
121 SetPingCookie(source_p);
122 register_local_user(client_p, source_p, source_p->name, buf);
123 }
124 else
125 {
126 sendto_one(source_p, form_str(ERR_WRONGPONG), me.name,
127 source_p->name, source_p->localClient->random_ping);
128 return;
129 }
130 }
131 }
132 }
133 else
134 sendto_one(source_p, form_str(ERR_NOORIGIN), me.name, parv[0]);
135 }
136

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