unrealircd

- supernets unrealircd source & configuration
git clone git://git.acid.vegas/unrealircd.git
noknock.c (2639B)
      1 /*
      2  * Disallow knocks UnrealIRCd Module (Channel Mode +K)
      3  * (C) Copyright 2014 Travis McArthur (Heero) and the UnrealIRCd team
      4  *
      5  * This program is free software; you can redistribute it and/or modify
      6  * it under the terms of the GNU General Public License as published by
      7  * the Free Software Foundation; either version 1, or (at your option)
      8  * any later version.
      9  *
     10  * This program is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13  * GNU General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU General Public License
     16  * along with this program; if not, write to the Free Software
     17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
     18  */
     19 
     20 #include "unrealircd.h"
     21 
     22 ModuleHeader MOD_HEADER
     23   = {
     24 	"chanmodes/noknock",
     25 	"4.2",
     26 	"Channel Mode +K",
     27 	"UnrealIRCd Team",
     28 	"unrealircd-6",
     29     };
     30 
     31 Cmode_t EXTCMODE_NOKNOCK;
     32 
     33 #define IsNoKnock(channel)    (channel->mode.mode & EXTCMODE_NOKNOCK)
     34 
     35 int noknock_check_knock(Client *client, Channel *channel, const char **reason);
     36 int noknock_mode_allow(Client *client, Channel *channel, char mode, const char *para, int checkt, int what);
     37 int noknock_mode_del (Channel *channel, int modeChar);
     38 
     39 MOD_TEST()
     40 {
     41 	return MOD_SUCCESS;
     42 }
     43 
     44 MOD_INIT()
     45 {
     46 CmodeInfo req;
     47 
     48 	memset(&req, 0, sizeof(req));
     49 	req.paracount = 0;
     50 	req.letter = 'K';
     51 	req.is_ok = noknock_mode_allow;
     52 	CmodeAdd(modinfo->handle, req, &EXTCMODE_NOKNOCK);
     53 	
     54 	HookAdd(modinfo->handle, HOOKTYPE_PRE_KNOCK, 0, noknock_check_knock);
     55 	HookAdd(modinfo->handle, HOOKTYPE_MODECHAR_DEL, 0, noknock_mode_del);
     56 
     57 	
     58 	MARK_AS_OFFICIAL_MODULE(modinfo);
     59 	return MOD_SUCCESS;
     60 }
     61 
     62 MOD_LOAD()
     63 {
     64 	return MOD_SUCCESS;
     65 }
     66 
     67 MOD_UNLOAD()
     68 {
     69 	return MOD_SUCCESS;
     70 }
     71 
     72 
     73 int noknock_check_knock (Client *client, Channel *channel, const char **reason)
     74 {
     75 	if (MyUser(client) && IsNoKnock(channel))
     76 	{
     77 		sendnumeric(client, ERR_CANNOTKNOCK, channel->name, "No knocks are allowed! (+K)");
     78 		return HOOK_DENY;
     79 	}
     80 
     81 	return HOOK_CONTINUE;
     82 }
     83 
     84 int noknock_mode_del (Channel *channel, int modeChar)
     85 {
     86 	// Remove noknock when we're removing invite only
     87 	if (modeChar == 'i')
     88 		channel->mode.mode &= ~EXTCMODE_NOKNOCK;
     89 
     90 	return 0;
     91 }
     92 
     93 int noknock_mode_allow(Client *client, Channel *channel, char mode, const char *para, int checkt, int what)
     94 {
     95 	if (!has_channel_mode(channel, 'i'))
     96 	{
     97 		if (checkt == EXCHK_ACCESS_ERR)
     98 		{
     99 			sendnumeric(client, ERR_CANNOTCHANGECHANMODE, 'K', "+i must be set");
    100 		}
    101 		return EX_DENY;
    102 	}
    103 
    104 	return extcmode_default_requirehalfop(client, channel, mode, para, checkt, what);
    105 }