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/>.
37 typedef std::vector<TimedBan> timedbans;
38 timedbans TimedBanList;
42 class CommandTban : public Command
44 ChanModeReference banmode;
46 bool IsBanSet(Channel* chan, const std::string& mask)
48 ListModeBase* banlm = static_cast<ListModeBase*>(*banmode);
49 const ListModeBase::ModeList* bans = banlm->GetList(chan);
52 for (ListModeBase::ModeList::const_iterator i = bans->begin(); i != bans->end(); ++i)
54 const ListModeBase::ListItem& ban = *i;
55 if (!strcasecmp(ban.mask.c_str(), mask.c_str()))
64 CommandTban(Module* Creator) : Command(Creator,"TBAN", 3)
65 , banmode(Creator, "ban")
67 syntax = "<channel> <duration> <banmask>";
70 CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
72 Channel* channel = ServerInstance->FindChan(parameters[0]);
75 user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
78 int cm = channel->GetPrefixValue(user);
79 if (cm < HALFOP_VALUE)
81 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, channel->name, "You do not have permission to set bans on this channel");
86 std::string channelname = parameters[0];
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->GetLastParse().empty())
112 user->WriteNotice("Invalid ban mask");
117 T.channel = channelname;
119 T.expire = expire + (IS_REMOTE(user) ? 5 : 0);
121 TimedBanList.push_back(T);
123 // If halfop is loaded, send notice to halfops and above, otherwise send to ops and above
124 ModeHandler* mh = ServerInstance->Modes->FindMode('h', MODETYPE_CHANNEL);
125 char pfxchar = (mh && mh->name == "halfop") ? '%' : '@';
127 channel->WriteAllExcept(ServerInstance->FakeClient, true, pfxchar, tmp, "NOTICE %s :%s added a timed ban on %s lasting for %ld seconds.", channel->name.c_str(), user->nick.c_str(), mask.c_str(), duration);
131 RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
133 return ROUTE_BROADCAST;
137 class BanWatcher : public ModeWatcher
140 BanWatcher(Module* parent)
141 : ModeWatcher(parent, "ban", MODETYPE_CHANNEL)
145 void AfterMode(User* source, User* dest, Channel* chan, const std::string& banmask, bool adding)
150 irc::string listitem = banmask.c_str();
151 irc::string thischan = chan->name.c_str();
152 for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end(); ++i)
154 irc::string target = i->mask.c_str();
155 irc::string tchan = i->channel.c_str();
156 if ((listitem == target) && (tchan == thischan))
158 TimedBanList.erase(i);
170 ChannelMatcher(Channel* ch)
175 bool operator()(const TimedBan& tb) const
177 return (tb.chan == chan);
181 class ModuleTimedBans : public Module
184 BanWatcher banwatcher;
193 void OnBackgroundTimer(time_t curtime) CXX11_OVERRIDE
196 for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end();)
198 if (curtime > i->expire)
200 expired.push_back(*i);
201 i = TimedBanList.erase(i);
207 for (timedbans::iterator i = expired.begin(); i != expired.end(); i++)
209 std::string chan = i->channel;
210 std::string mask = i->mask;
211 Channel* cr = ServerInstance->FindChan(chan);
215 std::string expiry = "*** Timed ban on " + chan + " expired.";
216 cr->WriteAllExcept(ServerInstance->FakeClient, true, '@', empty, "NOTICE %s :%s", cr->name.c_str(), expiry.c_str());
217 ServerInstance->PI->SendChannelNotice(cr, '@', expiry);
219 Modes::ChangeList setban;
220 setban.push_remove(ServerInstance->Modes->FindMode('b', MODETYPE_CHANNEL), mask);
221 ServerInstance->Modes->Process(ServerInstance->FakeClient, cr, NULL, setban);
226 void OnChannelDelete(Channel* chan)
228 // Remove all timed bans affecting the channel from internal bookkeeping
229 TimedBanList.erase(std::remove_if(TimedBanList.begin(), TimedBanList.end(), ChannelMatcher(chan)), TimedBanList.end());
232 Version GetVersion() CXX11_OVERRIDE
234 return Version("Adds timed bans", VF_COMMON | VF_VENDOR);
238 MODULE_INIT(ModuleTimedBans)