Add +R channel mode module requiring services account to chat (#102)

* Add +R channel mode module requiring services account to chat

* Use void* in hook argument

* move chm_regmsg from modules to extensions

* generate error message when module fails to load
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Eric Mertens 2021-01-24 05:13:03 -08:00 committed by GitHub
parent 551e5a146e
commit 0ba1da5910
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4 changed files with 95 additions and 1 deletions

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@ -15,6 +15,7 @@ extension_LTLIBRARIES = \
chm_insecure.la \
chm_nonotice.la \
chm_operpeace.la \
chm_regmsg.la \
chm_sslonly.la \
createauthonly.la \
createoperonly.la \

92
extensions/chm_regmsg.c Normal file
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@ -0,0 +1,92 @@
/*
* 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[] = {
{ "privmsg_channel", (hookfn) 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;
/* 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);

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@ -153,6 +153,7 @@
#define NUMERIC_STR_412 ":%s 412 %s :No text to send"
#define NUMERIC_STR_413 "%s :No toplevel domain specified"
#define NUMERIC_STR_414 "%s :Wildcard in toplevel Domain"
#define NUMERIC_STR_415 "%s %s :Cannot send message to channel (+R) - you need to be identified with services"
#define NUMERIC_STR_416 ":%s 416 %s %s :output too large, truncated"
#define NUMERIC_STR_421 ":%s 421 %s %s :Unknown command"
#define NUMERIC_STR_422 ":%s 422 %s :MOTD File is missing"

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@ -230,7 +230,7 @@
#define ERR_NOTEXTTOSEND 412
#define ERR_NOTOPLEVEL 413
#define ERR_WILDTOPLEVEL 414
#define ERR_MSGNEEDREGGEDNICK 415
#define ERR_TOOMANYMATCHES 416
#define ERR_UNKNOWNCOMMAND 421