2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
6 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
7 * Copyright (C) 2005 Craig Edwards <craigedwards@brainbox.cc>
9 * This file is part of InspIRCd. InspIRCd is free software: you can
10 * redistribute it and/or modify it under the terms of the GNU General Public
11 * License as published by the Free Software Foundation, version 2.
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 class ModuleDenyChannels : public Module
28 void init() CXX11_OVERRIDE
30 Implementation eventlist[] = { I_OnUserPreJoin, I_OnRehash };
31 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
34 void OnRehash(User* user) CXX11_OVERRIDE
36 /* check for redirect validity and loops/chains */
37 ConfigTagList tags = ServerInstance->Config->ConfTags("badchan");
38 for (ConfigIter i = tags.first; i != tags.second; ++i)
40 std::string name = i->second->getString("name");
41 std::string redirect = i->second->getString("redirect");
43 if (!redirect.empty())
46 if (!ServerInstance->IsChannel(redirect))
49 user->WriteNotice("Invalid badchan redirect '" + redirect + "'");
50 throw ModuleException("Invalid badchan redirect, not a channel");
53 for (ConfigIter j = tags.first; j != tags.second; ++j)
55 if (InspIRCd::Match(redirect, j->second->getString("name")))
57 bool goodchan = false;
58 ConfigTagList goodchans = ServerInstance->Config->ConfTags("badchan");
59 for (ConfigIter k = goodchans.first; k != goodchans.second; ++k)
61 if (InspIRCd::Match(redirect, k->second->getString("name")))
67 /* <badchan:redirect> is a badchan */
69 user->WriteNotice("Badchan " + name + " redirects to badchan " + redirect);
70 throw ModuleException("Badchan redirect loop");
78 Version GetVersion() CXX11_OVERRIDE
80 return Version("Implements config tags which allow blocking of joins to channels", VF_VENDOR);
84 ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
86 ConfigTagList tags = ServerInstance->Config->ConfTags("badchan");
87 for (ConfigIter j = tags.first; j != tags.second; ++j)
89 if (InspIRCd::Match(cname, j->second->getString("name")))
91 if (user->IsOper() && j->second->getBool("allowopers"))
93 return MOD_RES_PASSTHRU;
97 std::string reason = j->second->getString("reason");
98 std::string redirect = j->second->getString("redirect");
100 ConfigTagList goodchans = ServerInstance->Config->ConfTags("goodchan");
101 for (ConfigIter i = goodchans.first; i != goodchans.second; ++i)
103 if (InspIRCd::Match(cname, i->second->getString("name")))
105 return MOD_RES_PASSTHRU;
109 if (ServerInstance->IsChannel(redirect))
111 /* simple way to avoid potential loops: don't redirect to +L channels */
112 Channel *newchan = ServerInstance->FindChan(redirect);
113 if ((!newchan) || (!(newchan->IsModeSet('L'))))
115 user->WriteNumeric(926, "%s %s :Channel %s is forbidden, redirecting to %s: %s",user->nick.c_str(),cname.c_str(),cname.c_str(),redirect.c_str(), reason.c_str());
116 Channel::JoinUser(user, redirect);
121 user->WriteNumeric(926, "%s %s :Channel %s is forbidden: %s",user->nick.c_str(),cname.c_str(),cname.c_str(),reason.c_str());
126 return MOD_RES_PASSTHRU;
130 MODULE_INIT(ModuleDenyChannels)