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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2007-2008, 2012 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
* Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
* Copyright (C) 2007 Dennis Friis <peavey@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 "main.h"
#include "utils.h"
#include "commands.h"
#include "treeserver.h"
CmdResult CommandNick::HandleRemote(RemoteUser* user, std::vector<std::string>& params)
{
if ((isdigit(params[0][0])) && (params[0] != user->uuid))
throw ProtocolException("Attempted to change nick to an invalid or non-matching UUID");
// Timestamp of the new nick
time_t newts = ServerCommand::ExtractTS(params[1]);
/*
* On nick messages, check that the nick doesn't already exist here.
* If it does, perform collision logic.
*/
User* x = ServerInstance->FindNickOnly(params[0]);
if ((x) && (x != user) && (x->registered == REG_ALL))
{
// 'x' is the already existing user using the same nick as params[0]
// 'user' is the user trying to change nick to the in use nick
bool they_change = Utils->DoCollision(x, TreeServer::Get(user), newts, user->ident, user->GetIPString(), user->uuid, "NICK");
if (they_change)
{
// Remote client lost, or both lost, rewrite this nick change as a change to uuid before
// calling ChangeNick() and forwarding the message
params[0] = user->uuid;
params[1] = ConvToStr(CommandSave::SavedTimestamp);
newts = CommandSave::SavedTimestamp;
}
}
user->ChangeNick(params[0], newts);
return CMD_SUCCESS;
}
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