2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2005-2008 Craig Edwards <craigedwards@brainbox.cc>
6 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
7 * Copyright (C) 2006 Robin Burchell <robin+git@viroteck.net>
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/>.
36 typedef std::vector<TimedBan> timedbans;
37 timedbans TimedBanList;
41 class CommandTban : public Command
43 ChanModeReference banmode;
45 bool IsBanSet(Channel* chan, const std::string& mask)
47 ListModeBase* banlm = static_cast<ListModeBase*>(*banmode);
50 const ListModeBase::ModeList* bans = banlm->GetList(chan);
53 for (ListModeBase::ModeList::const_iterator i = bans->begin(); i != bans->end(); ++i)
55 const ListModeBase::ListItem& ban = *i;
56 if (!strcasecmp(ban.mask.c_str(), mask.c_str()))
65 CommandTban(Module* Creator) : Command(Creator,"TBAN", 3)
66 , banmode(Creator, "ban")
68 syntax = "<channel> <duration> <banmask>";
71 CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
73 Channel* channel = ServerInstance->FindChan(parameters[0]);
76 user->WriteNumeric(Numerics::NoSuchChannel(parameters[0]));
79 unsigned int cm = channel->GetPrefixValue(user);
80 if (cm < HALFOP_VALUE)
82 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, channel->name, "You do not have permission to set bans on this channel");
87 unsigned long duration = InspIRCd::Duration(parameters[1]);
88 unsigned long expire = duration + ServerInstance->Time();
91 user->WriteNotice("Invalid ban time");
94 std::string mask = parameters[2];
95 bool isextban = ((mask.size() > 2) && (mask[1] == ':'));
96 if (!isextban && !InspIRCd::IsValidMask(mask))
99 if (IsBanSet(channel, mask))
101 user->WriteNotice("Ban already set");
105 Modes::ChangeList setban;
106 setban.push_add(ServerInstance->Modes->FindMode('b', MODETYPE_CHANNEL), mask);
107 // Pass the user (instead of ServerInstance->FakeClient) to ModeHandler::Process() to
108 // make it so that the user sets the mode themselves
109 ServerInstance->Modes->Process(user, channel, NULL, setban);
110 if (ServerInstance->Modes->GetLastChangeList().empty())
112 user->WriteNotice("Invalid ban mask");
117 T.expire = expire + (IS_REMOTE(user) ? 5 : 0);
119 TimedBanList.push_back(T);
121 const std::string addban = user->nick + " added a timed ban on " + mask + " lasting for " + ConvToStr(duration) + " seconds.";
122 // If halfop is loaded, send notice to halfops and above, otherwise send to ops and above
123 PrefixMode* mh = ServerInstance->Modes->FindPrefixMode('h');
124 char pfxchar = (mh && mh->name == "halfop") ? mh->GetPrefix() : '@';
126 ClientProtocol::Messages::Privmsg notice(ServerInstance->FakeClient, channel, addban, MSG_NOTICE);
127 channel->Write(ServerInstance->GetRFCEvents().privmsg, notice, pfxchar);
128 ServerInstance->PI->SendChannelNotice(channel, pfxchar, addban);
132 RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
134 return ROUTE_BROADCAST;
138 class BanWatcher : public ModeWatcher
141 BanWatcher(Module* parent)
142 : ModeWatcher(parent, "ban", MODETYPE_CHANNEL)
146 void AfterMode(User* source, User* dest, Channel* chan, const std::string& banmask, bool adding) CXX11_OVERRIDE
151 for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end(); ++i)
156 const std::string& target = i->mask;
157 if (irc::equals(banmask, target))
159 TimedBanList.erase(i);
171 ChannelMatcher(Channel* ch)
176 bool operator()(const TimedBan& tb) const
178 return (tb.chan == chan);
182 class ModuleTimedBans : public Module
185 BanWatcher banwatcher;
194 void OnBackgroundTimer(time_t curtime) CXX11_OVERRIDE
197 for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end();)
199 if (curtime > i->expire)
201 expired.push_back(*i);
202 i = TimedBanList.erase(i);
208 for (timedbans::iterator i = expired.begin(); i != expired.end(); i++)
210 std::string mask = i->mask;
211 Channel* cr = i->chan;
213 const std::string expiry = "*** Timed ban on " + cr->name + " expired.";
214 // If halfop is loaded, send notice to halfops and above, otherwise send to ops and above
215 PrefixMode* mh = ServerInstance->Modes->FindPrefixMode('h');
216 char pfxchar = (mh && mh->name == "halfop") ? mh->GetPrefix() : '@';
218 ClientProtocol::Messages::Privmsg notice(ClientProtocol::Messages::Privmsg::nocopy, ServerInstance->FakeClient, cr, expiry, MSG_NOTICE);
219 cr->Write(ServerInstance->GetRFCEvents().privmsg, notice, pfxchar);
220 ServerInstance->PI->SendChannelNotice(cr, pfxchar, expiry);
222 Modes::ChangeList setban;
223 setban.push_remove(ServerInstance->Modes->FindMode('b', MODETYPE_CHANNEL), mask);
224 ServerInstance->Modes->Process(ServerInstance->FakeClient, cr, NULL, setban);
229 void OnChannelDelete(Channel* chan) CXX11_OVERRIDE
231 // Remove all timed bans affecting the channel from internal bookkeeping
232 TimedBanList.erase(std::remove_if(TimedBanList.begin(), TimedBanList.end(), ChannelMatcher(chan)), TimedBanList.end());
235 Version GetVersion() CXX11_OVERRIDE
237 return Version("Adds timed bans", VF_COMMON | VF_VENDOR);
241 MODULE_INIT(ModuleTimedBans)