1 /*
2 * ircd-ratbox: A slightly useful ircd.
3 * m_version.c: Shows ircd version information.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
22 * USA
23 *
24 * $Id: m_version.c 26357 2008-12-22 21:18:30Z androsyn $
25 */
26
27 #include "stdinc.h"
28 #include "struct.h"
29 #include "client.h"
30 #include "ircd.h"
31 #include "numeric.h"
32 #include "s_conf.h"
33 #include "s_serv.h"
34 #include "supported.h"
35 #include "send.h"
36 #include "parse.h"
37 #include "modules.h"
38
39 static char *confopts(void);
40
41 static int m_version(struct Client *, struct Client *, int, const char **);
42 static int mo_version(struct Client *, struct Client *, int, const char **);
43
44 struct Message version_msgtab = {
45 "VERSION", 0, 0, 0, MFLG_SLOW,
46 {mg_unreg, {m_version, 0}, {mo_version, 0}, {mo_version, 0}, mg_ignore, {mo_version, 0}}
47 };
48
49 mapi_clist_av1 version_clist[] = { &version_msgtab, NULL };
50
51 DECLARE_MODULE_AV1(version, NULL, NULL, version_clist, NULL, NULL, "$Revision: 26357 $");
52
53 /*
54 * m_version - VERSION command handler
55 * parv[0] = sender prefix
56 * parv[1] = remote server
57 */
58 static int
m_version(struct Client * client_p,struct Client * source_p,int parc,const char * parv[])59 m_version(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
60 {
61 static time_t last_used = 0L;
62 if(parc > 1)
63 {
64 if((last_used + ConfigFileEntry.pace_wait) > rb_current_time())
65 {
66 /* safe enough to give this on a local connect only */
67 sendto_one(source_p, form_str(RPL_LOAD2HI),
68 me.name, source_p->name, "VERSION");
69 return 0;
70 }
71 else
72 last_used = rb_current_time();
73
74 if(hunt_server(client_p, source_p, ":%s VERSION :%s", 1, parc, parv) != HUNTED_ISME)
75 return 0;
76 }
77 sendto_one_numeric(source_p, RPL_VERSION, form_str(RPL_VERSION),
78 ircd_version, serno, me.name, confopts(), TS_CURRENT, ServerInfo.sid);
79
80 show_isupport(source_p);
81
82 return 0;
83 }
84
85 /*
86 * mo_version - VERSION command handler
87 * parv[0] = sender prefix
88 * parv[1] = remote server
89 */
90 static int
mo_version(struct Client * client_p,struct Client * source_p,int parc,const char * parv[])91 mo_version(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
92 {
93 if(hunt_server(client_p, source_p, ":%s VERSION :%s", 1, parc, parv) == HUNTED_ISME)
94 {
95 sendto_one_numeric(source_p, RPL_VERSION, form_str(RPL_VERSION),
96 ircd_version, serno,
97 me.name, confopts(), TS_CURRENT, ServerInfo.sid);
98 show_isupport(source_p);
99 }
100
101 return 0;
102 }
103
104 /* confopts()
105 * input -
106 * output - ircd.conf option string
107 * side effects - none
108 */
109 static char *
confopts(void)110 confopts(void)
111 {
112 static char result[15];
113 char *p;
114
115 result[0] = '\0';
116 p = result;
117
118 if(ConfigChannel.use_except)
119 *p++ = 'e';
120
121 if(ConfigFileEntry.glines)
122 *p++ = 'g';
123 *p++ = 'G';
124
125 /* might wanna hide this :P */
126 if(ServerInfo.hub)
127 *p++ = 'H';
128
129 if(ConfigChannel.use_invex)
130 *p++ = 'I';
131
132 if(ConfigChannel.use_knock)
133 *p++ = 'K';
134
135 *p++ = 'M';
136 *p++ = 'p';
137
138 #ifdef HAVE_ZLIB
139 *p++ = 'Z';
140 #endif
141
142 #ifdef RB_IPV6
143 *p++ = '6';
144 #endif
145
146 *p = '\0';
147
148 return result;
149 }
150