inspircd/modules/vhost.cpp
2024-07-17 00:06:50 +01:00

128 lines
3.5 KiB
C++

/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013, 2019-2023 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2012 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>
* Copyright (C) 2006 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 "utility/string.h"
struct CustomVhost final
{
const std::string name;
const std::string password;
const std::string hash;
const std::string vhost;
CustomVhost(const std::string& n, const std::string& p, const std::string& h, const std::string& v)
: name(n)
, password(p)
, hash(h)
, vhost(v)
{
}
bool CheckPass(const std::string& pass) const
{
return InspIRCd::CheckPassword(password, hash, pass);
}
};
typedef std::multimap<std::string, CustomVhost> CustomVhostMap;
class CommandVhost final
: public Command
{
public:
CustomVhostMap vhosts;
CommandVhost(Module* Creator)
: Command(Creator, "VHOST", 2)
{
syntax = { "<username> <password>" };
}
CmdResult Handle(User* user, const Params& parameters) override
{
for (const auto& [_, config] : insp::equal_range(vhosts, parameters[0]))
{
if (config.CheckPass(parameters[1]))
{
user->WriteNotice("Setting your VHost: " + config.vhost);
user->ChangeDisplayedHost(config.vhost);
return CmdResult::SUCCESS;
}
}
user->WriteNotice("Invalid username or password.");
return CmdResult::FAILURE;
}
};
class ModuleVHost final
: public Module
{
private:
CommandVhost cmd;
public:
ModuleVHost()
: Module(VF_VENDOR, "Allows the server administrator to define accounts which can grant a custom virtual host.")
, cmd(this)
{
}
void ReadConfig(ConfigStatus& status) override
{
CustomVhostMap newhosts;
for (const auto& [_, tag] : ServerInstance->Config->ConfTags("vhost"))
{
std::string mask = tag->getString("host");
if (mask.empty())
throw ModuleException(this, "<vhost:host> is empty! at " + tag->source.str());
std::string username = tag->getString("user");
if (username.empty())
throw ModuleException(this, "<vhost:user> is empty! at " + tag->source.str());
std::string pass = tag->getString("pass");
if (pass.empty())
throw ModuleException(this, "<vhost:pass> is empty! at " + tag->source.str());
const std::string hash = tag->getString("hash", "plaintext", 1);
if (insp::equalsci(hash, "plaintext"))
{
ServerInstance->Logs.Warning(MODNAME, "<vhost> tag for {} at {} contains an plain text password, this is insecure!",
username, tag->source.str());
}
CustomVhost vhost(username, pass, hash, mask);
newhosts.emplace(username, vhost);
}
cmd.vhosts.swap(newhosts);
}
};
MODULE_INIT(ModuleVHost)