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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2014 Googolplexed <googol@googolplexed.net>
* Copyright (C) 2013, 2018, 2020-2021 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2014 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2012 Boleslaw Tokarski <boleslaw.tokarski@tieto.com>
* Copyright (C) 2010 Daniel De Graaf <danieldg@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/account.h"
class ModulePassForward final
: public Module
{
private:
Account::API accountapi;
std::string nickrequired, forwardmsg, forwardcmd;
public:
ModulePassForward()
: Module(VF_VENDOR, "Allows an account password to be forwarded to a services pseudoclient such as NickServ.")
, accountapi(this)
{
}
void ReadConfig(ConfigStatus& status) override
{
const auto& tag = ServerInstance->Config->ConfValue("passforward");
nickrequired = tag->getString("nick", "NickServ");
forwardmsg = tag->getString("forwardmsg", "NOTICE %nick% :*** Forwarding password to %nickrequired%");
forwardcmd = tag->getString("cmd", "SQUERY %nickrequired% :IDENTIFY %nick% %pass%", 1);
}
std::string FormatStr(const LocalUser* user, const std::string& format, const std::string& pass)
{
return Template::Replace(format, {
{ "nick", user->nick, },
{ "nickrequired", nickrequired, },
{ "pass", pass, },
{ "user", user->GetRealUser(), },
});
}
void OnPostConnect(User* ruser) override
{
LocalUser* user = IS_LOCAL(ruser);
if (!user || user->password.empty())
return;
// If the connect class requires a password, don't forward it
if (!user->GetClass()->config->getString("password").empty())
return;
if (accountapi && accountapi->GetAccountName(user))
{
// User is logged in already (probably via SASL) don't forward the password
return;
}
ForwardPass(user, user->password);
}
void OnPostCommand(Command* command, const CommandBase::Params& parameters, LocalUser* user, CmdResult result, bool loop) override
{
if (command->name == "NICK" && parameters.size() > 1)
ForwardPass(user, parameters[1]);
}
void ForwardPass(LocalUser* user, const std::string& pass)
{
if (!nickrequired.empty())
{
/* Check if nick exists and is on a services server. */
auto* u = ServerInstance->Users.Find(nickrequired);
if (!u || !u->server->IsService())
return;
}
if (!forwardmsg.empty())
ServerInstance->Parser.ProcessBuffer(user, FormatStr(user, forwardmsg, pass));
ServerInstance->Parser.ProcessBuffer(user, FormatStr(user, forwardcmd, pass));
}
};
MODULE_INIT(ModulePassForward)
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