2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
6 * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
7 * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
9 * This file is part of InspIRCd. InspIRCd is free software: you can
10 * redistribute it and/or modify it under the terms of the GNU General Public
11 * License as published by the Free Software Foundation, version 2.
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "core_user.h"
26 CommandNick::CommandNick(Module* parent)
27 : SplitCommand(parent, "NICK", 1, 1)
29 works_before_reg = true;
34 /** Handle nick changes from users.
35 * NOTE: If you are used to ircds based on ircd2.8, and are looking
36 * for the client introduction code in here, youre in the wrong place.
37 * You need to look in the spanningtree module for this!
39 CmdResult CommandNick::HandleLocal(const std::vector<std::string>& parameters, LocalUser* user)
41 std::string oldnick = user->nick;
42 std::string newnick = parameters[0];
44 // anything except the initial NICK gets a flood penalty
45 if (user->registered == REG_ALL)
46 user->CommandFloodPenalty += 4000;
50 user->WriteNumeric(ERR_ERRONEUSNICKNAME, "* :Erroneous Nickname");
58 else if (!ServerInstance->IsNick(newnick))
60 user->WriteNumeric(ERR_ERRONEUSNICKNAME, "%s :Erroneous Nickname", newnick.c_str());
65 FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (user, newnick));
67 // If a module denied the change, abort now
68 if (MOD_RESULT == MOD_RES_DENY)
71 // Disallow the nick change if <security:restrictbannedusers> is on and there is a ban matching this user in
72 // one of the channels they are on
73 if (ServerInstance->Config->RestrictBannedUsers)
75 for (User::ChanList::iterator i = user->chans.begin(); i != user->chans.end(); ++i)
77 Channel* chan = (*i)->chan;
78 if (chan->GetPrefixValue(user) < VOICE_VALUE && chan->IsBanned(user))
80 user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str());
86 if (!user->ChangeNick(newnick))
89 if (user->registered < REG_NICKUSER)
91 user->registered = (user->registered | REG_NICK);
92 return CommandUser::CheckRegister(user);