solanum/extensions/chm_regmsg.c

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/*
* Solanum: a slightly advanced ircd
* chm_regmsg: require identification to chat (+R mode).
*
* Copyright (c) 2020 Eric Mertens <emertens@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "stdinc.h"
#include "modules.h"
#include "hook.h"
#include "client.h"
#include "ircd.h"
#include "logger.h"
#include "send.h"
#include "s_conf.h"
#include "s_user.h"
#include "s_serv.h"
#include "numeric.h"
#include "chmode.h"
#include "inline/stringops.h"
static const char chm_regmsg_desc[] =
"Adds channel mode +R, which blocks messagess from unregistered users";
static unsigned int mode_regmsg;
static void chm_regmsg_process(void *);
mapi_hfn_list_av1 chm_regmsg_hfnlist[] = {
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{ "privmsg_channel", chm_regmsg_process },
{ NULL, NULL }
};
static void
chm_regmsg_process(void *data_)
{
hook_data_privmsg_channel *data = data_;
struct membership *msptr;
/* message is already blocked, defer */
if (data->approved)
return;
/* mode is unset, accept */
if (!(data->chptr->mode.mode & mode_regmsg))
return;
/* user is identified, accept */
if (!EmptyString(data->source_p->user->suser))
return;
/* voice and op override identification requirement, accept */
msptr = find_channel_membership(data->chptr, data->source_p);
if (is_chanop_voiced(msptr))
return;
sendto_one_numeric(data->source_p, ERR_MSGNEEDREGGEDNICK, form_str(ERR_MSGNEEDREGGEDNICK),
data->source_p->name, data->chptr->chname);
data->approved = ERR_MSGNEEDREGGEDNICK;
}
static int
_modinit(void)
{
mode_regmsg = cflag_add('R', chm_simple);
if (mode_regmsg == 0) {
ierror("chm_regmsg: unable to allocate cmode slot for +R, unloading module");
return -1;
}
return 0;
}
static void
_moddeinit(void)
{
cflag_orphan('R');
}
DECLARE_MODULE_AV2(chm_regmsg, _modinit, _moddeinit, NULL, NULL, chm_regmsg_hfnlist, NULL, NULL, chm_regmsg_desc);