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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013, 2018 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012, 2019 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, 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"
struct CustomVhost
{
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(User* user, const std::string& pass) const
{
return ServerInstance->PassCompare(user, password, pass, hash);
}
};
typedef std::multimap<std::string, CustomVhost> CustomVhostMap;
typedef std::pair<CustomVhostMap::iterator, CustomVhostMap::iterator> MatchingConfigs;
/** Handle /VHOST
*/
class CommandVhost : public Command
{
public:
CustomVhostMap vhosts;
CommandVhost(Module* Creator)
: Command(Creator, "VHOST", 2)
{
syntax = "<username> <password>";
}
CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
{
MatchingConfigs matching = vhosts.equal_range(parameters[0]);
for (MatchingConfigs::first_type i = matching.first; i != matching.second; ++i)
{
CustomVhost config = i->second;
if (config.CheckPass(user, parameters[1]))
{
user->WriteNotice("Setting your VHost: " + config.vhost);
user->ChangeDisplayedHost(config.vhost);
return CMD_SUCCESS;
}
}
user->WriteNotice("Invalid username or password.");
return CMD_FAILURE;
}
};
class ModuleVHost : public Module
{
CommandVhost cmd;
public:
ModuleVHost()
: cmd(this)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
CustomVhostMap newhosts;
ConfigTagList tags = ServerInstance->Config->ConfTags("vhost");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
std::string mask = tag->getString("host");
if (mask.empty())
throw ModuleException("<vhost:host> is empty! at " + tag->getTagLocation());
std::string username = tag->getString("user");
if (username.empty())
throw ModuleException("<vhost:user> is empty! at " + tag->getTagLocation());
std::string pass = tag->getString("pass");
if (pass.empty())
throw ModuleException("<vhost:pass> 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, "<vhost> tag for %s at %s contains an plain text password, this is insecure!",
username.c_str(), tag->getTagLocation().c_str());
}
CustomVhost vhost(username, pass, hash, mask);
newhosts.insert(std::make_pair(username, vhost));
}
cmd.vhosts.swap(newhosts);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides masking of user hostnames via the VHOST command", VF_VENDOR);
}
};
MODULE_INIT(ModuleVHost)
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