X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_timedbans.cpp;h=6cc5d01e66fd8fd1a23a2c538ea19397b2c9e949;hb=80e81e3b81b779901fd9d67f8ae030ee30c0bcec;hp=39c05add9b9100361605aceb049115e80e38fa30;hpb=bc9352391f179dbe2a325ff36b00930c886ef1b3;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_timedbans.cpp b/src/modules/m_timedbans.cpp index 39c05add9..6cc5d01e6 100644 --- a/src/modules/m_timedbans.cpp +++ b/src/modules/m_timedbans.cpp @@ -1,202 +1,267 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits + * Copyright (C) 2020 iwalkalone + * Copyright (C) 2019 Matt Schatz + * Copyright (C) 2018 linuxdaemon + * Copyright (C) 2017 B00mX0r + * Copyright (C) 2013, 2017-2018, 2020 Sadie Powell + * Copyright (C) 2013 Daniel Vassdal + * Copyright (C) 2012-2016 Attila Molnar + * Copyright (C) 2012, 2019 Robby + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2009 Uli Schlachter + * Copyright (C) 2009 John Brooks + * Copyright (C) 2007-2008 Robin Burchell + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2005-2008, 2010 Craig Edwards * - * This program is free but copyrighted software; see - * the file COPYING for details. + * 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 . */ -/* $ModDesc: Adds timed bans */ #include "inspircd.h" +#include "listmode.h" -/** Holds a timed ban - */ -class TimedBan : public classbase +// Holds a timed ban +class TimedBan { public: - std::string channel; std::string mask; + std::string setter; time_t expire; + Channel* chan; }; typedef std::vector timedbans; timedbans TimedBanList; -/** Handle /TBAN - */ +// Handle /TBAN class CommandTban : public Command { + ChanModeReference banmode; + + bool IsBanSet(Channel* chan, const std::string& mask) + { + ListModeBase* banlm = static_cast(*banmode); + if (!banlm) + return false; + + const ListModeBase::ModeList* bans = banlm->GetList(chan); + if (bans) + { + for (ListModeBase::ModeList::const_iterator i = bans->begin(); i != bans->end(); ++i) + { + const ListModeBase::ListItem& ban = *i; + if (irc::equals(ban.mask, mask)) + return true; + } + } + + return false; + } + public: - CommandTban (InspIRCd* Instance) : Command(Instance,"TBAN", 0, 3) + bool sendnotice; + + CommandTban(Module* Creator) + : Command(Creator,"TBAN", 3) + , banmode(Creator, "ban") { - this->source = "m_timedbans.so"; syntax = " "; - TRANSLATE4(TR_TEXT, TR_TEXT, TR_TEXT, TR_END); } - CmdResult Handle (const std::vector ¶meters, User *user) + CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE { Channel* channel = ServerInstance->FindChan(parameters[0]); - if (channel) + 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 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 "); + user->WriteNumeric(Numerics::NoSuchChannel(parameters[0])); + return CMD_FAILURE; + } + + unsigned int cm = channel->GetPrefixValue(user); + if (cm < HALFOP_VALUE) + { + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, channel->name, "You do not have permission to set bans on this channel"); return CMD_FAILURE; } - user->WriteNumeric(401, "%s %s :No such channel",user->nick.c_str(), parameters[0].c_str()); - return CMD_FAILURE; + + TimedBan T; + unsigned long duration; + if (!InspIRCd::Duration(parameters[1], duration)) + { + user->WriteNotice("Invalid ban time"); + return CMD_FAILURE; + } + unsigned long expire = duration + ServerInstance->Time(); + + std::string mask = parameters[2]; + bool isextban = ((mask.size() > 2) && (mask[1] == ':')); + if (!isextban && !InspIRCd::IsValidMask(mask)) + mask.append("!*@*"); + + if (IsBanSet(channel, mask)) + { + user->WriteNotice("Ban already set"); + return CMD_FAILURE; + } + + Modes::ChangeList setban; + setban.push_add(ServerInstance->Modes->FindMode('b', MODETYPE_CHANNEL), mask); + // Pass the user (instead of ServerInstance->FakeClient) to ModeHandler::Process() to + // make it so that the user sets the mode themselves + ServerInstance->Modes->Process(user, channel, NULL, setban); + if (ServerInstance->Modes->GetLastChangeList().empty()) + { + user->WriteNotice("Invalid ban mask"); + return CMD_FAILURE; + } + + T.mask = mask; + T.setter = user->nick; + T.expire = expire + (IS_REMOTE(user) ? 5 : 0); + T.chan = channel; + TimedBanList.push_back(T); + + if (sendnotice) + { + const std::string message = InspIRCd::Format("Timed ban %s added by %s on %s lasting for %s.", + mask.c_str(), user->nick.c_str(), channel->name.c_str(), InspIRCd::DurationString(duration).c_str()); + // If halfop is loaded, send notice to halfops and above, otherwise send to ops and above + PrefixMode* mh = ServerInstance->Modes->FindPrefixMode('h'); + char pfxchar = (mh && mh->name == "halfop") ? mh->GetPrefix() : '@'; + + channel->WriteRemoteNotice(message, pfxchar); + } + + return CMD_SUCCESS; + } + + RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE + { + return ROUTE_BROADCAST; } }; -class ModuleTimedBans : public Module +class BanWatcher : public ModeWatcher { - CommandTban* mycommand; public: - ModuleTimedBans(InspIRCd* Me) - : Module(Me) + BanWatcher(Module* parent) + : ModeWatcher(parent, "ban", MODETYPE_CHANNEL) { - - mycommand = new CommandTban(ServerInstance); - ServerInstance->AddCommand(mycommand); - TimedBanList.clear(); - Implementation eventlist[] = { I_OnDelBan, I_OnBackgroundTimer }; - ServerInstance->Modules->Attach(eventlist, this, 2); } - virtual ~ModuleTimedBans() + void AfterMode(User* source, User* dest, Channel* chan, const std::string& banmask, bool adding) CXX11_OVERRIDE { - TimedBanList.clear(); - } + if (adding) + return; - 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++) + 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)) + if (i->chan != chan) + continue; + + const std::string& target = i->mask; + if (irc::equals(banmask, target)) { TimedBanList.erase(i); break; } } - return 0; + } +}; + +class ChannelMatcher +{ + Channel* const chan; + + public: + ChannelMatcher(Channel* ch) + : chan(ch) + { } - virtual void OnBackgroundTimer(time_t curtime) + bool operator()(const TimedBan& tb) const { - timedbans::iterator safei; + return (tb.chan == chan); + } +}; + +class ModuleTimedBans : public Module +{ + CommandTban cmd; + BanWatcher banwatcher; + + public: + ModuleTimedBans() + : cmd(this) + , banwatcher(this) + { + } + + void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE + { + ConfigTag* tag = ServerInstance->Config->ConfValue("timedbans"); + cmd.sendnotice = tag->getBool("sendnotice", true); + } + + void OnBackgroundTimer(time_t curtime) CXX11_OVERRIDE + { + timedbans expired; for (timedbans::iterator i = TimedBanList.begin(); i != TimedBanList.end();) { - /* Safe copy of iterator, so we can erase as we iterate */ - safei = i; - ++i; + if (curtime > i->expire) + { + expired.push_back(*i); + i = TimedBanList.erase(i); + } + else + ++i; + } + + for (timedbans::iterator i = expired.begin(); i != expired.end(); i++) + { + const std::string mask = i->mask; + Channel* cr = i->chan; - if (curtime > safei->expire) + if (cmd.sendnotice) { - Channel* cr = ServerInstance->FindChan(safei->channel); - if (cr) - { - std::string mask = safei->mask; - std::vector setban; - setban.push_back(safei->channel); - setban.push_back("-b"); - setban.push_back(mask); - - CUList empty; - cr->WriteAllExcept(ServerInstance->FakeClient, true, '@', empty, "NOTICE %s :*** Timed ban on %s expired.", cr->name.c_str(), safei->mask.c_str()); - ServerInstance->PI->SendChannelNotice(cr, '@', "*** Timed ban on " + safei->mask + " expired."); - if (ServerInstance->Config->AllowHalfop) - { - cr->WriteAllExcept(ServerInstance->FakeClient, true, '%', empty, "NOTICE %s :*** Timed ban on %s expired.", cr->name.c_str(), safei->mask.c_str()); - ServerInstance->PI->SendChannelNotice(cr, '%', "*** Timed ban on " + safei->mask + " expired."); - } - - /* Removes the ban item for us, no ::erase() needed */ - ServerInstance->PI->SendModeStr(safei->channel, std::string("-b ") + setban[2]); - ServerInstance->SendMode(setban, ServerInstance->FakeClient); - - if (ServerInstance->Modes->GetLastParse().empty()) - TimedBanList.erase(safei); - } - else - { - /* Where the hell did our channel go?! */ - TimedBanList.erase(safei); - } + const std::string message = InspIRCd::Format("Timed ban %s set by %s on %s has expired.", + mask.c_str(), i->setter.c_str(), cr->name.c_str()); + // If halfop is loaded, send notice to halfops and above, otherwise send to ops and above + PrefixMode* mh = ServerInstance->Modes->FindPrefixMode('h'); + char pfxchar = (mh && mh->name == "halfop") ? mh->GetPrefix() : '@'; + + cr->WriteRemoteNotice(message, pfxchar); } + + Modes::ChangeList setban; + setban.push_remove(ServerInstance->Modes->FindMode('b', MODETYPE_CHANNEL), mask); + ServerInstance->Modes->Process(ServerInstance->FakeClient, cr, NULL, setban); } } - virtual Version GetVersion() + void OnChannelDelete(Channel* chan) CXX11_OVERRIDE { - return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION); + // Remove all timed bans affecting the channel from internal bookkeeping + TimedBanList.erase(std::remove_if(TimedBanList.begin(), TimedBanList.end(), ChannelMatcher(chan)), TimedBanList.end()); + } + + Version GetVersion() CXX11_OVERRIDE + { + return Version("Adds the /TBAN command which allows channel operators to add bans which will be expired after the specified period.", VF_COMMON | VF_VENDOR); } }; MODULE_INIT(ModuleTimedBans) -