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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2005-2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006 Robin Burchell <robin+git@viroteck.net>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* $ModDesc: Adds timed bans */
#include "inspircd.h"
/** Holds a timed ban
*/
class TimedBan : public classbase
{
public:
std::string channel;
std::string mask;
time_t expire;
};
typedef std::vector<TimedBan> timedbans;
timedbans TimedBanList;
/** Handle /TBAN
*/
class CommandTban : public Command
{
public:
CommandTban (InspIRCd* Instance) : Command(Instance,"TBAN", 0, 3)
{
this->source = "m_timedbans.so";
syntax = "<channel> <duration> <banmask>";
TRANSLATE4(TR_TEXT, TR_TEXT, TR_TEXT, TR_END);
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
Channel* channel = ServerInstance->FindChan(parameters[0]);
if (channel)
{
int cm = channel->GetStatus(user);
if ((cm == STATUS_HOP) || (cm == STATUS_OP))
{
if (!ServerInstance->IsValidMask(parameters[2]))
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban mask");
return CMD_FAILURE;
}
for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)
{
if (!strcasecmp(i->data.c_str(), parameters[2].c_str()))
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :The ban "+parameters[2]+" is already on the banlist of "+parameters[0]);
return CMD_FAILURE;
}
}
TimedBan T;
std::string channelname = parameters[0];
long duration = ServerInstance->Duration(parameters[1]);
unsigned long expire = duration + ServerInstance->Time();
if (duration < 1)
{
user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban time");
return CMD_FAILURE;
}
std::string mask = parameters[2];
std::vector<std::string> setban;
setban.push_back(parameters[0]);
setban.push_back("+b");
setban.push_back(parameters[2]);
// use CallCommandHandler to make it so that the user sets the mode
// themselves
ServerInstance->CallCommandHandler("MODE",setban,user);
/* Check if the ban was actually added (e.g. banlist was NOT full) */
bool was_added = false;
for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)
if (!strcasecmp(i->data.c_str(), mask.c_str()))
was_added = true;
if (was_added)
{
CUList tmp;
T.channel = channelname;
T.mask = mask;
T.expire = expire;
TimedBanList.push_back(T);
channel->WriteAllExcept(user, true, '@', 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);
ServerInstance->PI->SendChannelNotice(channel, '@', user->nick + " added a timed ban on " + mask + " lasting for " + ConvToStr(duration) + " seconds.");
if (ServerInstance->Config->AllowHalfop)
{
channel->WriteAllExcept(user, true, '%', 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);
ServerInstance->PI->SendChannelNotice(channel, '%', user->nick + " added a timed ban on " + mask + " lasting for " + ConvToStr(duration) + " seconds.");
}
return CMD_SUCCESS;
}
return CMD_FAILURE;
}
else user->WriteNumeric(482, "%s %s :You must be at least a%soperator to change modes on this channel",user->nick.c_str(), channel->name.c_str(),
ServerInstance->Config->AllowHalfop ? " half-" : " channel ");
return CMD_FAILURE;
}
user->WriteNumeric(401, "%s %s :No such channel",user->nick.c_str(), parameters[0].c_str());
return CMD_FAILURE;
}
};
class ModuleTimedBans : public Module
{
CommandTban* mycommand;
public:
ModuleTimedBans(InspIRCd* Me)
: Module(Me)
{
mycommand = new CommandTban(ServerInstance);
ServerInstance->AddCommand(mycommand);
TimedBanList.clear();
Implementation eventlist[] = { I_OnDelBan, I_OnBackgroundTimer };
ServerInstance->Modules->Attach(eventlist, this, 2);
}
virtual ~ModuleTimedBans()
{
TimedBanList.clear();
}
virtual int OnDelBan(User* source, Channel* chan, const std::string &banmask)
{
irc::string listitem = banmask.c_str();
irc::string thischan = chan->name.c_str();
for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end(); i++)
{
irc::string target = i->mask.c_str();
irc::string tchan = i->channel.c_str();
if ((listitem == target) && (tchan == thischan))
{
TimedBanList.erase(i);
break;
}
}
return 0;
}
virtual void OnBackgroundTimer(time_t curtime)
{
timedbans expired;
for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end();)
{
if (curtime > i->expire)
{
expired.push_back(*i);
i = TimedBanList.erase(i);
}
else
++i;
}
for (timedbans::iterator i = expired.begin(); i != expired.end(); i++)
{
std::string chan = i->channel;
std::string mask = i->mask;
Channel* cr = ServerInstance->FindChan(chan);
if (cr)
{
std::vector<std::string> setban;
setban.push_back(chan);
setban.push_back("-b");
setban.push_back(mask);
CUList empty;
std::string expiry = "*** Timed ban on " + chan + " expired.";
cr->WriteAllExcept(ServerInstance->FakeClient, true, '@', empty, "NOTICE %s :%s", cr->name.c_str(), expiry.c_str());
ServerInstance->PI->SendChannelNotice(cr, '@', expiry);
if (ServerInstance->Config->AllowHalfop)
{
cr->WriteAllExcept(ServerInstance->FakeClient, true, '%', empty, "NOTICE %s :%s", cr->name.c_str(), expiry.c_str());
ServerInstance->PI->SendChannelNotice(cr, '%', expiry);
}
ServerInstance->SendGlobalMode(setban, ServerInstance->FakeClient);
}
}
}
virtual Version GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
};
MODULE_INIT(ModuleTimedBans)
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