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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
*
* 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 "core_user.h"
CommandNick::CommandNick(Module* parent)
: SplitCommand(parent, "NICK", 1, 1)
{
works_before_reg = true;
syntax = "<newnick>";
Penalty = 0;
}
/** Handle nick changes from users.
* NOTE: If you are used to ircds based on ircd2.8, and are looking
* for the client introduction code in here, youre in the wrong place.
* You need to look in the spanningtree module for this!
*/
CmdResult CommandNick::HandleLocal(const std::vector<std::string>& parameters, LocalUser* user)
{
std::string oldnick = user->nick;
std::string newnick = parameters[0];
// anything except the initial NICK gets a flood penalty
if (user->registered == REG_ALL)
user->CommandFloodPenalty += 4000;
if (newnick.empty())
{
user->WriteNumeric(ERR_ERRONEUSNICKNAME, "* :Erroneous Nickname");
return CMD_FAILURE;
}
if (newnick == "0")
{
newnick = user->uuid;
}
else if (!ServerInstance->IsNick(newnick))
{
user->WriteNumeric(ERR_ERRONEUSNICKNAME, "%s :Erroneous Nickname", newnick.c_str());
return CMD_FAILURE;
}
ModResult MOD_RESULT;
FIRST_MOD_RESULT(OnUserPreNick, MOD_RESULT, (user, newnick));
// If a module denied the change, abort now
if (MOD_RESULT == MOD_RES_DENY)
return CMD_FAILURE;
// Disallow the nick change if <security:restrictbannedusers> is on and there is a ban matching this user in
// one of the channels they are on
if (ServerInstance->Config->RestrictBannedUsers)
{
for (UCListIter i = user->chans.begin(); i != user->chans.end(); ++i)
{
Channel* chan = (*i)->chan;
if (chan->GetPrefixValue(user) < VOICE_VALUE && chan->IsBanned(user))
{
user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Cannot send to channel (you're banned)", chan->name.c_str());
return CMD_FAILURE;
}
}
}
if (!user->ChangeNick(newnick))
return CMD_FAILURE;
if (user->registered < REG_NICKUSER)
{
user->registered = (user->registered | REG_NICK);
return CommandUser::CheckRegister(user);
}
return CMD_SUCCESS;
}
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