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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 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 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006, 2008 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 "modules/ircv3.h"
#include "numerichelper.h"
class CommandSetIdent final
: public Command
{
public:
IRCv3::ReplyCapReference cap;
CommandSetIdent(const WeakModulePtr& mod)
: Command(mod, "SETIDENT", 1, 2)
, cap(mod)
{
access_needed = CmdAccess::OPERATOR;
syntax = { "[<nick>] :<newuser>" };
}
CmdResult Handle(User* user, const Params& parameters) override
{
auto* target = user;
if (parameters.size() > 1)
{
const auto& targetnick = parameters[0];
if (user->IsLocal())
{
// For local users we need to check if they can use the command.
target = ServerInstance->Users.FindNick(targetnick, true);
if (user != target && !user->HasPrivPermission("users/setident-others"))
{
user->WriteNumeric(Numerics::NoPrivileges("your server operator account does not have the users/setident-others privilege"));
return CmdResult::FAILURE;
}
}
else
{
// For remote users their server will have checked privs.
target = ServerInstance->Users.Find(targetnick);
}
if (!target)
{
user->WriteNumeric(Numerics::NoSuchNick(targetnick));
return CmdResult::FAILURE;
}
}
if (!target->IsLocal())
return CmdResult::SUCCESS; // Their server will handle this.
const auto& newuser = parameters.back();
if (newuser.size() > ServerInstance->Config->Limits.MaxUser)
{
IRCv3::WriteReply(Reply::FAIL, user, cap, this, "INVALID_USERNAME", "Username is too long");
return CmdResult::FAILURE;
}
if (!ServerInstance->Users.IsUser(parameters[0]))
{
IRCv3::WriteReply(Reply::FAIL, user, cap, this, "INVALID_USERNAME", "Invalid characters in username");
return CmdResult::FAILURE;
}
target->ChangeDisplayedUser(newuser);
if (!user->server->IsService())
{
ServerInstance->SNO.WriteGlobalSno('a', "{} ({}) used {} to change the username of {} to \"{}\x0F\"",
user->GetRealMask(), user->GetAddress(), this->service_name, target->nick, newuser);
}
return CmdResult::SUCCESS;
}
RouteDescriptor GetRouting(User* user, const Params& parameters) override
{
return parameters.size() > 1 ? ROUTE_OPT_UCAST(parameters[0]) : ROUTE_LOCALONLY;
}
};
class ModuleSetIdent final
: public Module
{
private:
CommandSetIdent cmd;
public:
ModuleSetIdent()
: Module(VF_VENDOR | VF_OPTCOMMON, "Adds the /SETIDENT command which allows server operators to change the username of users.")
, cmd(weak_from_this())
{
}
};
MODULE_INIT(ModuleSetIdent)
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