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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2017-2019 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2013-2015 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
* Copyright (C) 2009 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006, 2010 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"
#include "core_channel.h"
const std::string::size_type ModeChannelKey::maxkeylen = 32;
ModeChannelKey::ModeChannelKey(Module* Creator)
: ParamMode<ModeChannelKey, LocalStringExt>(Creator, "key", 'k', PARAM_ALWAYS)
{
syntax = "<key>";
}
ModeAction ModeChannelKey::OnModeChange(User* source, User*, Channel* channel, std::string ¶meter, bool adding)
{
const std::string* key = ext.get(channel);
bool exists = (key != NULL);
if (IS_LOCAL(source))
{
if (exists == adding)
return MODEACTION_DENY;
if (exists && (parameter != *key))
{
/* Key is currently set and the correct key wasnt given */
return MODEACTION_DENY;
}
} else {
if (exists && adding && parameter == *key)
{
/* no-op, don't show */
return MODEACTION_DENY;
}
}
if (adding)
{
// When joining a channel multiple keys are delimited with a comma so we strip
// them out here to avoid creating channels that are unjoinable.
size_t commapos;
while ((commapos = parameter.find(',')) != std::string::npos)
parameter.erase(commapos, 1);
// Truncate the parameter to the maximum key length.
if (parameter.length() > maxkeylen)
parameter.erase(maxkeylen);
// If the password is empty here then it only consisted of commas. This is not
// acceptable so we reject the mode change.
if (parameter.empty())
return MODEACTION_DENY;
ext.set(channel, parameter);
}
else
ext.unset(channel);
channel->SetMode(this, adding);
return MODEACTION_ALLOW;
}
void ModeChannelKey::SerializeParam(Channel* chan, const std::string* key, std::string& out)
{
out += *key;
}
ModeAction ModeChannelKey::OnSet(User* source, Channel* chan, std::string& param)
{
// Dummy function, never called
return MODEACTION_DENY;
}
bool ModeChannelKey::IsParameterSecret()
{
return true;
}
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