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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2025 Sadie Powell <sadie@witchery.services>
*
* 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/hash.h"
#include "modules/ircv3_replies.h"
class CommandMakePassword final
: public SplitCommand
{
private:
IRCv3::Replies::Fail failrpl;
IRCv3::Replies::Note noterpl;
IRCv3::Replies::CapReference stdrplcap;
public:
CommandMakePassword(Module* mod)
: SplitCommand(mod, "MKPASSWD", 2, 2)
, failrpl(mod)
, noterpl(mod)
, stdrplcap(mod)
{
penalty = 5000;
syntax = { "<hashtype> <plaintext>" };
}
CmdResult HandleLocal(LocalUser* user, const Params& parameters) override
{
auto* hp = ServerInstance->Modules.FindDataService<Hash::Provider>("hash/" + parameters[0]);
if (!hp)
{
failrpl.SendIfCap(user, stdrplcap, this, "INVALID_HASH", parameters[0], FMT::format("{} is not a known hash algorithm!",
parameters[0]));
return CmdResult::FAILURE;
}
if (!hp->IsPasswordSafe())
{
failrpl.SendIfCap(user, stdrplcap, this, "INSECURE_HASH", hp->GetAlgorithm(), FMT::format("{} is not a secure password hashing algorithm!",
hp->GetAlgorithm()));
return CmdResult::FAILURE;
}
auto hash = hp->Hash(parameters[1]);
if (hash.empty())
{
failrpl.SendIfCap(user, stdrplcap, this, "HASH_ERROR", hp->GetAlgorithm(), FMT::format("An error occurred whilst hashing your password with {}!",
hp->GetAlgorithm()));
return CmdResult::FAILURE;
}
auto phash = hp->ToPrintable(hash);
noterpl.SendIfCap(user, stdrplcap, this, "HASH_RESULT", hp->GetAlgorithm(), phash, FMT::format("{} hashed password: {}",
hp->GetAlgorithm(), phash));
return CmdResult::SUCCESS;
}
};
class ModuleMakePassword final
: public Module
{
private:
CommandMakePassword cmd;
public:
ModuleMakePassword()
: Module(VF_VENDOR, "Provides the /MKPASSWD command which allows the generation of hashed passwords for use in the server configuration.")
, cmd(this)
{
}
void ReadConfig(ConfigStatus& status) override
{
const auto& tag = ServerInstance->Config->ConfValue("mkpasswd");
cmd.access_needed = tag->getBool("operonly") ? CmdAccess::OPERATOR : CmdAccess::NORMAL;
}
};
MODULE_INIT(ModuleMakePassword)
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