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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013, 2017-2018, 2020 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) 2010 Craig Edwards <brain@inspircd.org>
* 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 "modules/whois.h"
enum
{
// From UnrealIRCd.
RPL_WHOISSPECIAL = 320
};
struct CustomTitle
{
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
{
const std::string userHost = user->ident + "@" + user->GetRealHost();
const std::string userIP = user->ident + "@" + user->GetIPString();
return InspIRCd::MatchMask(host, userHost, userIP);
}
bool CheckPass(User* user, const std::string& pass) const
{
return ServerInstance->PassCompare(user, password, pass, hash);
}
};
typedef std::multimap<std::string, CustomTitle> CustomVhostMap;
typedef std::pair<CustomVhostMap::iterator, CustomVhostMap::iterator> MatchingConfigs;
/** Handle /TITLE
*/
class CommandTitle : public Command
{
public:
StringExtItem ctitle;
CustomVhostMap configs;
CommandTitle(Module* Creator) : Command(Creator,"TITLE", 2),
ctitle("ctitle", ExtensionItem::EXT_USER, Creator)
{
syntax = "<username> <password>";
}
CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
{
MatchingConfigs matching = configs.equal_range(parameters[0]);
for (MatchingConfigs::first_type i = matching.first; i != matching.second; ++i)
{
CustomTitle config = i->second;
if (config.MatchUser(user) && config.CheckPass(user, parameters[1]))
{
ctitle.set(user, config.title);
ServerInstance->PI->SendMetaData(user, "ctitle", config.title);
if (!config.vhost.empty())
user->ChangeDisplayedHost(config.vhost);
user->WriteNotice("Custom title set to '" + config.title + "'");
return CMD_SUCCESS;
}
}
user->WriteNotice("Invalid title credentials");
return CMD_SUCCESS;
}
};
class ModuleCustomTitle : public Module, public Whois::LineEventListener
{
CommandTitle cmd;
public:
ModuleCustomTitle()
: Whois::LineEventListener(this)
, cmd(this)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTagList tags = ServerInstance->Config->ConfTags("title");
CustomVhostMap newtitles;
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
reference<ConfigTag> tag = i->second;
std::string name = tag->getString("name", "", 1);
if (name.empty())
throw ModuleException("<title:name> is empty at " + tag->getTagLocation());
std::string pass = tag->getString("password");
if (pass.empty())
throw ModuleException("<title:password> is empty at " + tag->getTagLocation());
const std::string hash = tag->getString("hash", "plaintext", 1);
if (stdalgo::string::equalsci(hash, "plaintext"))
{
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "<title> tag for %s at %s contains an plain text password, this is insecure!",
name.c_str(), tag->getTagLocation().c_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.insert(std::make_pair(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) CXX11_OVERRIDE
{
/* We use this and not OnWhois because this triggers for remote, too */
if (numeric.GetNumeric() == 312)
{
/* Insert our numeric before 312 */
const std::string* ctitle = cmd.ctitle.get(whois.GetTarget());
if (ctitle)
{
whois.SendLine(RPL_WHOISSPECIAL, ctitle);
}
}
/* Don't block anything */
return MOD_RES_PASSTHRU;
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Allows the server administrator to define accounts which can grant a custom title in /WHOIS and an optional virtual host.", VF_OPTCOMMON | VF_VENDOR);
}
};
MODULE_INIT(ModuleCustomTitle)
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