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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_ping.c: Requests that a PONG message be sent back. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
212380e3 AC |
23 | */ |
24 | ||
25 | #include "stdinc.h" | |
26 | #include "client.h" | |
27 | #include "ircd.h" | |
28 | #include "numeric.h" | |
29 | #include "send.h" | |
4562c604 | 30 | #include "match.h" |
212380e3 AC |
31 | #include "msg.h" |
32 | #include "parse.h" | |
33 | #include "modules.h" | |
34 | #include "hash.h" | |
35 | #include "s_conf.h" | |
36 | #include "s_serv.h" | |
37 | ||
d5d35409 AW |
38 | static const char ping_desc[] = |
39 | "Provides the PING command to ensure a client or server is still alive"; | |
212380e3 | 40 | |
3c7d6fcc EM |
41 | static void m_ping(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
42 | static void ms_ping(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
eeabf33a | 43 | |
212380e3 | 44 | struct Message ping_msgtab = { |
7baa37a9 | 45 | "PING", 0, 0, 0, 0, |
212380e3 AC |
46 | {mg_unreg, {m_ping, 2}, {ms_ping, 2}, {ms_ping, 2}, mg_ignore, {m_ping, 2}} |
47 | }; | |
48 | ||
49 | mapi_clist_av1 ping_clist[] = { &ping_msgtab, NULL }; | |
eeabf33a | 50 | |
d5d35409 | 51 | DECLARE_MODULE_AV2(ping, NULL, NULL, ping_clist, NULL, NULL, NULL, NULL, ping_desc); |
212380e3 AC |
52 | |
53 | /* | |
54 | ** m_ping | |
212380e3 AC |
55 | ** parv[1] = origin |
56 | ** parv[2] = destination | |
57 | */ | |
3c7d6fcc | 58 | static void |
428ca87b | 59 | m_ping(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
60 | { |
61 | struct Client *target_p; | |
62 | const char *destination; | |
63 | ||
64 | destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */ | |
65 | ||
66 | if(!EmptyString(destination) && !match(destination, me.name)) | |
67 | { | |
68 | if((target_p = find_server(source_p, destination))) | |
69 | { | |
70 | sendto_one(target_p, ":%s PING %s :%s", | |
71 | get_id(source_p, target_p), | |
72 | source_p->name, get_id(target_p, target_p)); | |
73 | } | |
74 | else | |
75 | { | |
76 | sendto_one_numeric(source_p, ERR_NOSUCHSERVER, | |
77 | form_str(ERR_NOSUCHSERVER), | |
78 | destination); | |
3c7d6fcc | 79 | return; |
212380e3 AC |
80 | } |
81 | } | |
82 | else | |
83 | sendto_one(source_p, ":%s PONG %s :%s", me.name, | |
84 | (destination) ? destination : me.name, parv[1]); | |
212380e3 AC |
85 | } |
86 | ||
3c7d6fcc | 87 | static void |
428ca87b | 88 | ms_ping(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
89 | { |
90 | struct Client *target_p; | |
91 | const char *destination; | |
92 | ||
93 | destination = parv[2]; /* Will get NULL or pointer (parc >= 2!!) */ | |
94 | ||
95 | if(!EmptyString(destination) && irccmp(destination, me.name) && | |
96 | irccmp(destination, me.id)) | |
97 | { | |
98 | if((target_p = find_client(destination)) && IsServer(target_p)) | |
55abcbb2 | 99 | sendto_one(target_p, ":%s PING %s :%s", |
212380e3 AC |
100 | get_id(source_p, target_p), source_p->name, |
101 | get_id(target_p, target_p)); | |
102 | /* not directed at an id.. */ | |
103 | else if(!IsDigit(*destination)) | |
104 | sendto_one_numeric(source_p, ERR_NOSUCHSERVER, | |
105 | form_str(ERR_NOSUCHSERVER), | |
106 | destination); | |
107 | } | |
108 | else | |
55abcbb2 KB |
109 | sendto_one(source_p, ":%s PONG %s :%s", |
110 | get_id(&me, source_p), me.name, | |
212380e3 | 111 | get_id(source_p, source_p)); |
212380e3 | 112 | } |