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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2014 Adam <Adam@anope.org>
* Copyright (C) 2013, 2015, 2017-2018 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2016 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2008 Geoff Bricker <geoff.bricker@gmail.com>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006, 2010 Craig Edwards <brain@inspircd.org>
*
* 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/>.
*/
#include "inspircd.h"
#include "modules/stats.h"
#include "modules/who.h"
#include "modules/whois.h"
/** Handles user mode +H
*/
class HideOper : public SimpleUserModeHandler
{
public:
size_t opercount;
HideOper(Module* Creator) : SimpleUserModeHandler(Creator, "hideoper", 'H')
, opercount(0)
{
oper = true;
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE
{
if (SimpleUserModeHandler::OnModeChange(source, dest, channel, parameter, adding) == MODEACTION_DENY)
return MODEACTION_DENY;
if (adding)
opercount++;
else
opercount--;
return MODEACTION_ALLOW;
}
};
class ModuleHideOper
: public Module
, public Stats::EventListener
, public Who::EventListener
, public Whois::LineEventListener
{
private:
HideOper hm;
bool active;
public:
ModuleHideOper()
: Stats::EventListener(this)
, Who::EventListener(this)
, Whois::LineEventListener(this)
, hm(this)
, active(false)
{
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides support for hiding oper status with user mode +H", VF_VENDOR);
}
void OnUserQuit(User* user, const std::string&, const std::string&) CXX11_OVERRIDE
{
if (user->IsModeSet(hm))
hm.opercount--;
}
ModResult OnNumeric(User* user, const Numeric::Numeric& numeric) CXX11_OVERRIDE
{
if (numeric.GetNumeric() != RPL_LUSEROP || active || user->HasPrivPermission("users/auspex"))
return MOD_RES_PASSTHRU;
// If there are no visible operators then we shouldn't send the numeric.
size_t opercount = ServerInstance->Users->all_opers.size() - hm.opercount;
if (opercount)
{
active = true;
user->WriteNumeric(RPL_LUSEROP, opercount, "operator(s) online");
active = false;
}
return MOD_RES_DENY;
}
ModResult OnWhoisLine(Whois::Context& whois, Numeric::Numeric& numeric) CXX11_OVERRIDE
{
/* Dont display numeric 313 (RPL_WHOISOPER) if they have +H set and the
* person doing the WHOIS is not an oper
*/
if (numeric.GetNumeric() != 313)
return MOD_RES_PASSTHRU;
if (!whois.GetTarget()->IsModeSet(hm))
return MOD_RES_PASSTHRU;
if (!whois.GetSource()->HasPrivPermission("users/auspex"))
return MOD_RES_DENY;
return MOD_RES_PASSTHRU;
}
ModResult OnWhoLine(const Who::Request& request, LocalUser* source, User* user, Membership* memb, Numeric::Numeric& numeric) CXX11_OVERRIDE
{
if (user->IsModeSet(hm) && !source->HasPrivPermission("users/auspex"))
{
// Hide the line completely if doing a "/who * o" query
if (request.flags['o'])
return MOD_RES_DENY;
size_t flag_index;
if (!request.GetFieldIndex('f', flag_index))
return MOD_RES_PASSTHRU;
// hide the "*" that marks the user as an oper from the /WHO line
// #chan ident localhost insp22.test nick H@ :0 Attila
if (numeric.GetParams().size() <= flag_index)
return MOD_RES_PASSTHRU;
std::string& param = numeric.GetParams()[flag_index];
const std::string::size_type pos = param.find('*');
if (pos != std::string::npos)
param.erase(pos, 1);
}
return MOD_RES_PASSTHRU;
}
ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE
{
if (stats.GetSymbol() != 'P')
return MOD_RES_PASSTHRU;
unsigned int count = 0;
const UserManager::OperList& opers = ServerInstance->Users->all_opers;
for (UserManager::OperList::const_iterator i = opers.begin(); i != opers.end(); ++i)
{
User* oper = *i;
if (!oper->server->IsULine() && (stats.GetSource()->IsOper() || !oper->IsModeSet(hm)))
{
LocalUser* lu = IS_LOCAL(oper);
stats.AddRow(249, oper->nick + " (" + oper->ident + "@" + oper->GetDisplayedHost() + ") Idle: " +
(lu ? ConvToStr(ServerInstance->Time() - lu->idle_lastmsg) + " secs" : "unavailable"));
count++;
}
}
stats.AddRow(249, ConvToStr(count)+" OPER(s)");
return MOD_RES_DENY;
}
};
MODULE_INIT(ModuleHideOper)
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