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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013-2014, 2017-2018, 2020 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2014, 2016 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
* Copyright (C) 2009, 2012 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007, 2009 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"
/** Handle /CHGHOST
*/
class CommandChghost : public Command
{
public:
std::bitset<UCHAR_MAX> hostmap;
CommandChghost(Module* Creator)
: Command(Creator,"CHGHOST", 2)
{
allow_empty_last_param = false;
flags_needed = 'o';
syntax = "<nick> <host>";
TRANSLATE2(TR_NICK, TR_TEXT);
}
CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
{
if (parameters[1].length() > ServerInstance->Config->Limits.MaxHost)
{
user->WriteNotice("*** CHGHOST: Host too long");
return CMD_FAILURE;
}
for (std::string::const_iterator x = parameters[1].begin(); x != parameters[1].end(); x++)
{
if (!hostmap.test(static_cast<unsigned char>(*x)))
{
user->WriteNotice("*** CHGHOST: Invalid characters in hostname");
return CMD_FAILURE;
}
}
User* dest = ServerInstance->FindNick(parameters[0]);
// Allow services to change the host of unregistered users
if ((!dest) || ((dest->registered != REG_ALL) && (!user->server->IsULine())))
{
user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
return CMD_FAILURE;
}
if (IS_LOCAL(dest))
{
if ((dest->ChangeDisplayedHost(parameters[1])) && (!user->server->IsULine()))
{
// fix by brain - ulines set hosts silently
ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->GetDisplayedHost());
}
}
return CMD_SUCCESS;
}
RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
{
return ROUTE_OPT_UCAST(parameters[0]);
}
};
class ModuleChgHost : public Module
{
CommandChghost cmd;
public:
ModuleChgHost()
: cmd(this)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* tag = ServerInstance->Config->ConfValue("hostname");
const std::string hmap = tag->getString("charmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789", 1);
cmd.hostmap.reset();
for (std::string::const_iterator n = hmap.begin(); n != hmap.end(); n++)
cmd.hostmap.set(static_cast<unsigned char>(*n));
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Adds the /CHGHOST command which allows server operators to change the displayed hostname of a user.", VF_OPTCOMMON | VF_VENDOR);
}
};
MODULE_INIT(ModuleChgHost)
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