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root/svn/ircd-hybrid/trunk/modules/m_ison.c
Revision: 1233
Committed: Thu Sep 22 20:53:07 2011 UTC (13 years, 11 months ago) by michael
Content type: text/x-csrc
Original Path: ircd-hybrid-8/modules/m_ison.c
File size: 3431 byte(s)
Log Message:
- replace bunch of ircsprintf with snprintf

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * m_ison.c: Provides a single line answer of whether a user is online.
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 "handlers.h"
27 #include "client.h"
28 #include "irc_string.h"
29 #include "sprintf_irc.h"
30 #include "ircd.h"
31 #include "numeric.h"
32 #include "send.h"
33 #include "msg.h"
34 #include "parse.h"
35 #include "modules.h"
36 #include "s_conf.h" /* ConfigFileEntry */
37
38
39 static void
40 do_ison(struct Client *client_p, struct Client *source_p,
41 int parc, char *parv[])
42 {
43 struct Client *target_p = NULL;
44 char *nick;
45 char *p = NULL;
46 char *current_insert_point = NULL;
47 char buf[IRCD_BUFSIZE];
48 int len;
49 int i;
50 int done = 0;
51
52 len = snprintf(buf, sizeof(buf), form_str(RPL_ISON), me.name, source_p->name);
53 current_insert_point = buf + len;
54
55 /*
56 * rfc1459 is ambigious about how to handle ISON
57 * this should handle both interpretations.
58 */
59 for (i = 1; i < parc; i++)
60 {
61 for (nick = strtoken(&p, parv[i], " "); nick;
62 nick = strtoken(&p, NULL, " "))
63 {
64 if ((target_p = find_person(client_p, nick)))
65 {
66 len = strlen(target_p->name);
67
68 if ((current_insert_point + (len + 5)) < (buf + sizeof(buf)))
69 {
70 memcpy(current_insert_point, target_p->name, len);
71 current_insert_point += len;
72 *current_insert_point++ = ' ';
73 }
74 else
75 {
76 done = 1;
77 break;
78 }
79 }
80 }
81
82 if (done)
83 break;
84 }
85
86 /*
87 * current_insert_point--;
88 * Do NOT take out the trailing space, it breaks ircII
89 * --Rodder
90 */
91 *current_insert_point = '\0';
92
93 sendto_one(source_p, "%s", buf);
94 }
95
96 /*
97 * m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
98 * with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
99 * clients. Designed to reduce number of whois requests. Can process
100 * nicknames in batches as long as the maximum buffer length.
101 *
102 * format:
103 * ISON :nicklist
104 */
105 static void
106 m_ison(struct Client *client_p, struct Client *source_p,
107 int parc, char *parv[])
108 {
109 do_ison(client_p, source_p, parc, parv);
110 }
111
112 static struct Message ison_msgtab = {
113 "ISON", 0, 0, 1, 1, MFLG_SLOW, 0,
114 {m_unregistered, m_ison, m_ignore, m_ignore, m_ison, m_ignore}
115 };
116
117 static void
118 module_init(void)
119 {
120 mod_add_cmd(&ison_msgtab);
121 }
122
123 static void
124 module_exit(void)
125 {
126 mod_del_cmd(&ison_msgtab);
127 }
128
129 struct module module_entry = {
130 .node = { NULL, NULL, NULL },
131 .name = NULL,
132 .version = "$Revision$",
133 .handle = NULL,
134 .modinit = module_init,
135 .modexit = module_exit,
136 .flags = 0
137 };

Properties

Name Value
svn:eol-style native
svn:keywords Id Revision