147 lines
3.8 KiB
C
147 lines
3.8 KiB
C
/*
|
|
* modules/um_regonlymsg.c
|
|
* Copyright (c) 2020 Ariadne Conill <ariadne@dereferenced.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* 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 "send.h"
|
|
#include "hash.h"
|
|
#include "s_conf.h"
|
|
#include "s_user.h"
|
|
#include "s_serv.h"
|
|
#include "numeric.h"
|
|
#include "privilege.h"
|
|
#include "s_newconf.h"
|
|
#include "logger.h"
|
|
|
|
static int
|
|
um_regonlymsg_modinit(void)
|
|
{
|
|
user_modes['R'] = find_umode_slot();
|
|
construct_umodebuf();
|
|
|
|
if (!user_modes['R'])
|
|
{
|
|
ierror("um_regonlymsg: unable to allocate usermode slot for +R, unloading module");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
um_regonlymsg_moddeinit(void)
|
|
{
|
|
user_modes['R'] = 0;
|
|
construct_umodebuf();
|
|
}
|
|
|
|
#define IsSetRegOnlyMsg(c) ((c->umodes & user_modes['R']) == user_modes['R'])
|
|
|
|
static const char um_regonlymsg_desc[] =
|
|
"Provides usermode +R which restricts messages from unregistered users.";
|
|
|
|
static bool
|
|
allow_message(struct Client *source_p, struct Client *target_p)
|
|
{
|
|
if (!MyClient(target_p))
|
|
return true;
|
|
|
|
if (!IsSetRegOnlyMsg(target_p))
|
|
return true;
|
|
|
|
if (IsServer(source_p))
|
|
return true;
|
|
|
|
/* XXX: controversial? allow opers to send through +R */
|
|
if (IsOper(source_p))
|
|
return true;
|
|
|
|
if (accept_message(source_p, target_p))
|
|
return true;
|
|
|
|
if (source_p->user->suser[0])
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static void
|
|
h_hdl_invite(void *vdata)
|
|
{
|
|
hook_data_channel_approval *data = vdata;
|
|
struct Client *source_p = data->client;
|
|
struct Client *target_p = data->target;
|
|
static char errorbuf[BUFSIZE];
|
|
|
|
if (data->approved)
|
|
return;
|
|
|
|
if (allow_message(source_p, target_p))
|
|
return;
|
|
|
|
snprintf(errorbuf, sizeof errorbuf, form_str(ERR_NONONREG),
|
|
target_p->name);
|
|
|
|
data->approved = ERR_NONONREG;
|
|
data->error = errorbuf;
|
|
}
|
|
|
|
static void
|
|
h_hdl_privmsg_user(void *vdata)
|
|
{
|
|
hook_data_privmsg_user *data = vdata;
|
|
struct Client *source_p = data->source_p;
|
|
struct Client *target_p = data->target_p;
|
|
|
|
if (data->approved)
|
|
return;
|
|
|
|
if (allow_message(source_p, target_p))
|
|
return;
|
|
|
|
if (data->msgtype == MESSAGE_TYPE_NOTICE)
|
|
return;
|
|
|
|
sendto_one_numeric(source_p, ERR_NONONREG, form_str(ERR_NONONREG),
|
|
target_p->name);
|
|
|
|
data->approved = ERR_NONONREG;
|
|
}
|
|
|
|
static mapi_hfn_list_av1 um_regonlymsg_hfnlist[] = {
|
|
{ "invite", h_hdl_invite },
|
|
{ "privmsg_user", h_hdl_privmsg_user },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
DECLARE_MODULE_AV2(um_regonlymsg, um_regonlymsg_modinit, um_regonlymsg_moddeinit,
|
|
NULL, NULL, um_regonlymsg_hfnlist, NULL, NULL, um_regonlymsg_desc);
|