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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2004-2006, 2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2007 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"
enum
{
// From UnrealIRCd.
ERR_CANNOTKNOCK = 480,
// From ircd-ratbox.
ERR_CHANOPEN = 713,
ERR_KNOCKONCHAN = 714
};
/** Handles the /KNOCK command
*/
class CommandKnock : public Command
{
SimpleChannelModeHandler& noknockmode;
ChanModeReference inviteonlymode;
public:
bool sendnotice;
bool sendnumeric;
CommandKnock(Module* Creator, SimpleChannelModeHandler& Noknockmode)
: Command(Creator,"KNOCK", 2, 2)
, noknockmode(Noknockmode)
, inviteonlymode(Creator, "inviteonly")
{
syntax = "<channel> <reason>";
Penalty = 5;
}
CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE
{
Channel* c = ServerInstance->FindChan(parameters[0]);
if (!c)
{
user->WriteNumeric(Numerics::NoSuchChannel(parameters[0]));
return CMD_FAILURE;
}
if (c->HasUser(user))
{
user->WriteNumeric(ERR_KNOCKONCHAN, c->name, InspIRCd::Format("Can't KNOCK on %s, you are already on that channel.", c->name.c_str()));
return CMD_FAILURE;
}
if (c->IsModeSet(noknockmode))
{
user->WriteNumeric(ERR_CANNOTKNOCK, InspIRCd::Format("Can't KNOCK on %s, +K is set.", c->name.c_str()));
return CMD_FAILURE;
}
if (!c->IsModeSet(inviteonlymode))
{
user->WriteNumeric(ERR_CHANOPEN, c->name, InspIRCd::Format("Can't KNOCK on %s, channel is not invite only so knocking is pointless!", c->name.c_str()));
return CMD_FAILURE;
}
if (sendnotice)
c->WriteNotice(InspIRCd::Format("User %s is KNOCKing on %s (%s)", user->nick.c_str(), c->name.c_str(), parameters[1].c_str()));
if (sendnumeric)
c->WriteChannelWithServ(ServerInstance->Config->ServerName, "710 %s %s %s :is KNOCKing: %s", c->name.c_str(), c->name.c_str(), user->GetFullHost().c_str(), parameters[1].c_str());
user->WriteNotice("KNOCKing on " + c->name);
return CMD_SUCCESS;
}
RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) CXX11_OVERRIDE
{
return ROUTE_OPT_BCAST;
}
};
class ModuleKnock : public Module
{
SimpleChannelModeHandler kn;
CommandKnock cmd;
public:
ModuleKnock()
: kn(this, "noknock", 'K')
, cmd(this, kn)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
std::string knocknotify = ServerInstance->Config->ConfValue("knock")->getString("notify");
if (stdalgo::string::equalsci(knocknotify, "numeric"))
{
cmd.sendnotice = false;
cmd.sendnumeric = true;
}
else if (stdalgo::string::equalsci(knocknotify, "both"))
{
cmd.sendnotice = true;
cmd.sendnumeric = true;
}
else
{
cmd.sendnotice = true;
cmd.sendnumeric = false;
}
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides support for /KNOCK and channel mode +K", VF_OPTCOMMON | VF_VENDOR);
}
};
MODULE_INIT(ModuleKnock)
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