2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
5 * Copyright (C) 2007-2008, 2012 Robin Burchell <robin+git@viroteck.net>
6 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
7 * Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
8 * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
9 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
10 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
12 * This file is part of InspIRCd. InspIRCd is free software: you can
13 * redistribute it and/or modify it under the terms of the GNU General Public
14 * License as published by the Free Software Foundation, version 2.
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 #include "treeserver.h"
33 CmdResult CommandNick::HandleRemote(::RemoteUser* user, std::vector<std::string>& params)
35 if ((isdigit(params[0][0])) && (params[0] != user->uuid))
36 throw ProtocolException("Attempted to change nick to an invalid or non-matching UUID");
38 // Timestamp of the new nick
39 time_t newts = ServerCommand::ExtractTS(params[1]);
42 * On nick messages, check that the nick doesn't already exist here.
43 * If it does, perform collision logic.
45 User* x = ServerInstance->FindNickOnly(params[0]);
46 if ((x) && (x != user) && (x->registered == REG_ALL))
48 // 'x' is the already existing user using the same nick as params[0]
49 // 'user' is the user trying to change nick to the in use nick
50 bool they_change = Utils->DoCollision(x, TreeServer::Get(user), newts, user->ident, user->GetIPString(), user->uuid, "NICK");
53 // Remote client lost, or both lost, rewrite this nick change as a change to uuid before
54 // calling ChangeNick() and forwarding the message
55 params[0] = user->uuid;
56 params[1] = ConvToStr(CommandSave::SavedTimestamp);
57 newts = CommandSave::SavedTimestamp;
61 user->ChangeNick(params[0], newts);