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root/svn/ircd-hybrid/releases/8.1.0beta2/modules/m_links.c
Revision: 1917
Committed: Sun Apr 28 11:58:41 2013 UTC (13 years, 2 months ago) by michael
Content type: text/x-csrc
File size: 5330 byte(s)
Log Message:
RELEASE TAG 8.1.0beta2

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * m_links.c: Shows what servers are currently connected.
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 "client.h"
27 #include "irc_string.h"
28 #include "ircd.h"
29 #include "numeric.h"
30 #include "s_serv.h"
31 #include "send.h"
32 #include "conf.h"
33 #include "motd.h"
34 #include "parse.h"
35 #include "modules.h"
36
37
38 static void
39 do_links(struct Client *source_p, int parc, char *parv[])
40 {
41 sendto_realops_flags(UMODE_SPY, L_ALL, SEND_NOTICE,
42 "LINKS requested by %s (%s@%s) [%s]",
43 source_p->name,
44 source_p->username, source_p->host,
45 source_p->servptr->name);
46
47 if (HasUMode(source_p, UMODE_OPER) || !ConfigServerHide.flatten_links)
48 {
49 const char *mask = (parc > 2 ? parv[2] : parv[1]);
50 const char *me_name, *nick;
51 dlink_node *ptr;
52
53 me_name = ID_or_name(&me, source_p->from);
54 nick = ID_or_name(source_p, source_p->from);
55
56 DLINK_FOREACH(ptr, global_serv_list.head)
57 {
58 struct Client *target_p = ptr->data;
59
60 /* skip hidden servers */
61 if (IsHidden(target_p))
62 if (!HasUMode(source_p, UMODE_OPER))
63 continue;
64
65 if (HasFlag(target_p, FLAGS_SERVICE) && ConfigServerHide.hide_services)
66 if (!HasUMode(source_p, UMODE_OPER))
67 continue;
68
69 if (!EmptyString(mask) && match(mask, target_p->name))
70 continue;
71
72 /*
73 * We just send the reply, as if they are here there's either no SHIDE,
74 * or they're an oper..
75 */
76 sendto_one(source_p, form_str(RPL_LINKS),
77 me_name, nick,
78 target_p->name, target_p->servptr->name,
79 target_p->hopcount, target_p->info);
80 }
81
82 sendto_one(source_p, form_str(RPL_ENDOFLINKS),
83 me_name, nick,
84 EmptyString(mask) ? "*" : mask);
85 }
86 else
87 {
88 /*
89 * Print our own info so at least it looks like a normal links
90 * then print out the file (which may or may not be empty)
91 */
92 sendto_one(source_p, form_str(RPL_LINKS),
93 ID_or_name(&me, source_p->from),
94 ID_or_name(source_p, source_p->from),
95 me.name, me.name, 0, me.info);
96 send_message_file(source_p, &ConfigFileEntry.linksfile);
97 sendto_one(source_p, form_str(RPL_ENDOFLINKS),
98 ID_or_name(&me, source_p->from),
99 ID_or_name(source_p, source_p->from), "*");
100 }
101 }
102
103 static void
104 mo_links(struct Client *client_p, struct Client *source_p,
105 int parc, char *parv[])
106 {
107 if (parc > 2)
108 if (!ConfigFileEntry.disable_remote || HasUMode(source_p, UMODE_OPER))
109 if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
110 parc, parv) != HUNTED_ISME)
111 return;
112
113 do_links(source_p, parc, parv);
114 }
115
116 /*
117 * m_links - LINKS message handler
118 * parv[0] = sender prefix
119 * parv[1] = servername mask
120 * or
121 * parv[0] = sender prefix
122 * parv[1] = server to query
123 * parv[2] = servername mask
124 */
125 static void
126 m_links(struct Client *client_p, struct Client *source_p,
127 int parc, char *parv[])
128 {
129 static time_t last_used = 0;
130
131 if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
132 {
133 sendto_one(source_p, form_str(RPL_LOAD2HI),
134 me.name, source_p->name);
135 return;
136 }
137
138 last_used = CurrentTime;
139
140 if (!ConfigServerHide.flatten_links)
141 {
142 mo_links(client_p, source_p, parc, parv);
143 return;
144 }
145
146 do_links(source_p, parc, parv);
147 }
148
149 /*
150 * ms_links - LINKS message handler
151 * parv[0] = sender prefix
152 * parv[1] = servername mask
153 * or
154 * parv[0] = sender prefix
155 * parv[1] = server to query
156 * parv[2] = servername mask
157 */
158 static void
159 ms_links(struct Client *client_p, struct Client *source_p,
160 int parc, char *parv[])
161 {
162 if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1,
163 parc, parv) != HUNTED_ISME)
164 return;
165
166 if (IsClient(source_p))
167 m_links(client_p, source_p, parc, parv);
168 }
169
170 static struct Message links_msgtab = {
171 "LINKS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
172 {m_unregistered, m_links, ms_links, m_ignore, mo_links, m_ignore}
173 };
174
175 static void
176 module_init(void)
177 {
178 mod_add_cmd(&links_msgtab);
179 }
180
181 static void
182 module_exit(void)
183 {
184 mod_del_cmd(&links_msgtab);
185 }
186
187 struct module module_entry = {
188 .node = { NULL, NULL, NULL },
189 .name = NULL,
190 .version = "$Revision$",
191 .handle = NULL,
192 .modinit = module_init,
193 .modexit = module_exit,
194 .flags = 0
195 };

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