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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013, 2017-2018, 2020-2021 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
* Copyright (C) 2012, 2015-2016 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@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 "extension.h"
#include "modules/whois.h"
struct CustomTitle final
{
const std::string name;
const std::string password;
const std::string hash;
const std::string host;
const std::string title;
const std::string vhost;
CustomTitle(const std::string& n, const std::string& p, const std::string& h, const std::string& hst, const std::string& t, const std::string& v)
: name(n)
, password(p)
, hash(h)
, host(hst)
, title(t)
, vhost(v)
{
}
bool MatchUser(User* user) const
{
return InspIRCd::MatchMask(host, user->GetRealUserHost(), user->GetUserAddress());
}
bool CheckPass(const std::string& pass) const
{
return InspIRCd::CheckPassword(password, hash, pass);
}
};
typedef std::multimap<std::string, CustomTitle> CustomVhostMap;
class CommandTitle final
: public Command
{
public:
StringExtItem ctitle;
CustomVhostMap configs;
CommandTitle(Module* Creator)
: Command(Creator, "TITLE", 2)
, ctitle(Creator, "ctitle", ExtensionType::USER, true)
{
syntax = { "<username> <password>" };
}
CmdResult Handle(User* user, const Params& parameters) override
{
for (const auto& [_, config] : insp::equal_range(configs, parameters[0]))
{
if (config.MatchUser(user) && config.CheckPass(parameters[1]))
{
ctitle.Set(user, config.title);
if (!config.vhost.empty())
user->ChangeDisplayedHost(config.vhost);
user->WriteNotice("Custom title set to '" + config.title + "'");
return CmdResult::SUCCESS;
}
}
user->WriteNotice("Invalid title credentials");
return CmdResult::SUCCESS;
}
};
class ModuleCustomTitle final
: public Module
, public Whois::LineEventListener
{
private:
CommandTitle cmd;
public:
ModuleCustomTitle()
: Module(VF_VENDOR | VF_OPTCOMMON, "Allows the server administrator to define accounts which can grant a custom title in /WHOIS and an optional virtual host.")
, Whois::LineEventListener(this)
, cmd(this)
{
}
void ReadConfig(ConfigStatus& status) override
{
CustomVhostMap newtitles;
for (const auto& [_, tag] : ServerInstance->Config->ConfTags("title"))
{
std::string name = tag->getString("name", "", 1);
if (name.empty())
throw ModuleException(this, "<title:name> is empty at " + tag->source.str());
std::string pass = tag->getString("password");
if (pass.empty())
throw ModuleException(this, "<title:password> is empty at " + tag->source.str());
const std::string hash = tag->getString("hash", "plaintext", 1);
if (insp::equalsci(hash, "plaintext"))
{
ServerInstance->Logs.Normal(MODNAME, "<title> tag for {} at {} contains an plain text password, this is insecure!",
name, tag->source.str());
}
std::string host = tag->getString("host", "*@*", 1);
std::string title = tag->getString("title");
std::string vhost = tag->getString("vhost");
CustomTitle config(name, pass, hash, host, title, vhost);
newtitles.emplace(name, config);
}
cmd.configs.swap(newtitles);
}
// :kenny.chatspike.net 320 Brain Azhrarn :is getting paid to play games.
ModResult OnWhoisLine(Whois::Context& whois, Numeric::Numeric& numeric) override
{
/* We use this and not OnWhois because this triggers for remote, too */
if (numeric.GetNumeric() == RPL_WHOISSERVER)
{
/* Insert our numeric before 312 */
const std::string* ctitle = cmd.ctitle.Get(whois.GetTarget());
if (ctitle && !ctitle->empty())
whois.SendLine(RPL_WHOISSPECIAL, *ctitle);
}
/* Don't block anything */
return MOD_RES_PASSTHRU;
}
};
MODULE_INIT(ModuleCustomTitle)
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