unrealircd

- supernets unrealircd source & configuration
git clone git://git.acid.vegas/unrealircd.git
channel-context.c (2343B)
      1 /*
      2  *   IRC - Internet Relay Chat, src/modules/channel-context.c
      3  *   (C) 2022 Valware & The UnrealIRCd Team
      4  *
      5  *   See file AUTHORS in IRC package for additional names of
      6  *   the programmers.
      7  *
      8  *   This program is free software; you can redistribute it and/or modify
      9  *   it under the terms of the GNU General Public License as published by
     10  *   the Free Software Foundation; either version 1, or (at your option)
     11  *   any later version.
     12  *
     13  *   This program is distributed in the hope that it will be useful,
     14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16  *   GNU General Public License for more details.
     17  *
     18  *   You should have received a copy of the GNU General Public License
     19  *   along with this program; if not, write to the Free Software
     20  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
     21  */
     22 
     23 #include "unrealircd.h"
     24 
     25 ModuleHeader MOD_HEADER
     26   = {
     27 	"channel-context",
     28 	"1.0",
     29 	"Channel Context (IRCv3)",
     30 	"UnrealIRCd team",
     31 	"unrealircd-6",
     32 	};
     33 
     34 int chancontext_mtag_is_ok(Client *client, const char *name, const char *value);
     35 void mtag_add_chancontext(Client *client, MessageTag *recv_mtags, MessageTag **mtag_list, const char *signature);
     36 
     37 MOD_INIT()
     38 {
     39 	MessageTagHandlerInfo mtag;
     40 
     41 	MARK_AS_OFFICIAL_MODULE(modinfo);
     42 
     43 	memset(&mtag, 0, sizeof(mtag));
     44 	mtag.is_ok = chancontext_mtag_is_ok;
     45 	mtag.flags = MTAG_HANDLER_FLAGS_NO_CAP_NEEDED;
     46 	mtag.name = "+draft/channel-context";
     47 	MessageTagHandlerAdd(modinfo->handle, &mtag);
     48 
     49 	HookAddVoid(modinfo->handle, HOOKTYPE_NEW_MESSAGE, 0, mtag_add_chancontext);
     50 
     51 	return MOD_SUCCESS;
     52 }
     53 
     54 MOD_LOAD()
     55 {
     56 	return MOD_SUCCESS;
     57 }
     58 
     59 MOD_UNLOAD()
     60 {
     61 	return MOD_SUCCESS;
     62 }
     63 
     64 int chancontext_mtag_is_ok(Client *client, const char *name, const char *value)
     65 {
     66 	if (BadPtr(value))
     67 		return 0;
     68 
     69 	/* Validate a bit further, but only for local users.. */
     70 	if (MyUser(client))
     71 	{
     72 		Channel *channel = find_channel(value);
     73 		if (!channel)
     74 			return 0;
     75 		if (!IsMember(client, channel))
     76 			return 0;
     77 	}
     78 
     79 	return 1;
     80 }
     81 
     82 void mtag_add_chancontext(Client *client, MessageTag *recv_mtags, MessageTag **mtag_list, const char *signature)
     83 {
     84 	MessageTag *m;
     85 
     86 	if (IsUser(client))
     87 	{
     88 		m = find_mtag(recv_mtags, "+draft/channel-context");
     89 		if (m)
     90 		{
     91 			m = duplicate_mtag(m);
     92 			AddListItem(m, *mtag_list);
     93 		}
     94 	}
     95 }