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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2019 Robby <robby@chatbelgie.be>
* Copyright (C) 2013, 2017-2019 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2014, 2016 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2010 Craig Edwards <brain@inspircd.org>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@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"
#define NETWORK_VALUE 9000000
/** Handle /OJOIN
*/
class CommandOjoin : public SplitCommand
{
public:
bool active;
bool notice;
bool op;
ModeHandler* npmh;
CommandOjoin(Module* parent, ModeHandler& mode)
: SplitCommand(parent, "OJOIN", 1)
, npmh(&mode)
{
flags_needed = 'o'; syntax = "<channel>";
active = false;
}
CmdResult HandleLocal(LocalUser* user, const Params& parameters) CXX11_OVERRIDE
{
// Make sure the channel name is allowable.
if (!ServerInstance->IsChannel(parameters[0]))
{
user->WriteNotice("*** Invalid characters in channel name or name too long");
return CMD_FAILURE;
}
active = true;
// override is false because we want OnUserPreJoin to run
Channel* channel = Channel::JoinUser(user, parameters[0], false);
active = false;
if (channel)
{
ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used OJOIN to join "+channel->name);
if (notice)
channel->WriteNotice(user->nick + " joined on official network business.");
}
else
{
channel = ServerInstance->FindChan(parameters[0]);
if (!channel)
return CMD_FAILURE;
ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used OJOIN in "+parameters[0]);
// they're already in the channel
Modes::ChangeList changelist;
changelist.push_add(npmh, user->nick);
if (op)
changelist.push_add(ServerInstance->Modes->FindMode('o', MODETYPE_CHANNEL), user->nick);
ServerInstance->Modes->Process(ServerInstance->FakeClient, channel, NULL, changelist);
}
return CMD_SUCCESS;
}
};
/** channel mode +Y
*/
class NetworkPrefix : public PrefixMode
{
public:
NetworkPrefix(Module* parent, char NPrefix)
: PrefixMode(parent, "official-join", 'Y', NETWORK_VALUE, NPrefix)
{
ranktoset = ranktounset = UINT_MAX;
}
ModResult AccessCheck(User* source, Channel* channel, std::string ¶meter, bool adding) CXX11_OVERRIDE
{
User* theuser = ServerInstance->FindNick(parameter);
// remove own privs?
if (source == theuser && !adding)
return MOD_RES_ALLOW;
return MOD_RES_PASSTHRU;
}
};
class ModuleOjoin : public Module
{
NetworkPrefix np;
CommandOjoin mycommand;
public:
ModuleOjoin()
: np(this, ServerInstance->Config->ConfValue("ojoin")->getString("prefix").c_str()[0])
, mycommand(this, np)
{
}
ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
{
if (mycommand.active)
{
privs += np.GetModeChar();
if (mycommand.op)
privs += 'o';
return MOD_RES_ALLOW;
}
return MOD_RES_PASSTHRU;
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* Conf = ServerInstance->Config->ConfValue("ojoin");
mycommand.notice = Conf->getBool("notice", true);
mycommand.op = Conf->getBool("op", true);
}
ModResult OnUserPreKick(User* source, Membership* memb, const std::string &reason) CXX11_OVERRIDE
{
// Don't do anything if they're not +Y
if (!memb->HasMode(&np))
return MOD_RES_PASSTHRU;
// Let them do whatever they want to themselves.
if (source == memb->user)
return MOD_RES_PASSTHRU;
source->WriteNumeric(ERR_RESTRICTED, memb->chan->name, "Can't kick "+memb->user->nick+" as they're on official network business.");
return MOD_RES_DENY;
}
void Prioritize() CXX11_OVERRIDE
{
ServerInstance->Modules->SetPriority(this, I_OnUserPreJoin, PRIORITY_FIRST);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides the OJOIN command, allows an oper to join a channel and be immune to kicks", VF_VENDOR);
}
};
MODULE_INIT(ModuleOjoin)
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