]> jfr.im git - solanum.git/blame - modules/chm_noctcp.c
Merge branch 'isupport-charset' of github.com:grawity/charybdis
[solanum.git] / modules / chm_noctcp.c
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AC
1/*
2 * charybdis: an advanced ircd.
3 * chm_noctcp: block non-action CTCP (+C mode).
4 *
5 * Copyright (c) 2012 William Pitcock <nenolod@dereferenced.org>
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice is present in all copies.
10 *
11 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
12 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
13 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
14 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
15 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
16 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
17 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
18 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
19 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
20 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
21 * POSSIBILITY OF SUCH DAMAGE.
22 */
23
24#include "stdinc.h"
25#include "modules.h"
26#include "hook.h"
27#include "client.h"
28#include "ircd.h"
29#include "send.h"
30#include "s_conf.h"
31#include "s_user.h"
32#include "s_serv.h"
33#include "numeric.h"
34#include "chmode.h"
35#include "inline/stringops.h"
36
37static unsigned int mode_noctcp;
38
39static void chm_noctcp_process(hook_data_privmsg_channel *);
40
41mapi_hfn_list_av1 chm_noctcp_hfnlist[] = {
42 { "privmsg_channel", (hookfn) chm_noctcp_process },
43 { NULL, NULL }
44};
45
46static void
47chm_noctcp_process(hook_data_privmsg_channel *data)
48{
49 /* don't waste CPU if message is already blocked */
50 if (data->approved || data->msgtype == MESSAGE_TYPE_NOTICE)
51 return;
52
53 if (*data->text == '\001' && strncasecmp(data->text + 1, "ACTION ", 7) && data->chptr->mode.mode & mode_noctcp)
54 {
55 sendto_one_numeric(data->source_p, ERR_CANNOTSENDTOCHAN, form_str(ERR_CANNOTSENDTOCHAN), data->chptr->chname);
56 data->approved = ERR_CANNOTSENDTOCHAN;
57 return;
58 }
59 else if (rb_dlink_list_length(&data->chptr->locmembers) > (unsigned)(GlobalSetOptions.floodcount / 2))
60 data->source_p->large_ctcp_sent = rb_current_time();
61}
62
63static int
64_modinit(void)
65{
66 mode_noctcp = cflag_add('C', chm_simple);
67 if (mode_noctcp == 0)
68 return -1;
69
70 return 0;
71}
72
73static void
74_moddeinit(void)
75{
76 cflag_orphan('C');
77}
78
79DECLARE_MODULE_AV1(chm_noctcp, _modinit, _moddeinit, NULL, NULL, chm_noctcp_hfnlist, "$Revision$");