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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
* Copyright (C) 2013, 2018, 2020 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2013, 2016 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006-2008, 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 "modules/account.h"
typedef std::vector<std::string> AllowList;
class ModuleSecureList : public Module
{
private:
AllowList allowlist;
bool exemptregistered;
bool showmsg;
unsigned int WaitTime;
public:
Version GetVersion() CXX11_OVERRIDE
{
return Version("Prevents users from using the /LIST command until a predefined period has passed.", VF_VENDOR);
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
AllowList newallows;
ConfigTagList tags = ServerInstance->Config->ConfTags("securehost");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
std::string host = i->second->getString("exception");
if (host.empty())
throw ModuleException("<securehost:exception> is a required field at " + i->second->getTagLocation());
newallows.push_back(host);
}
ConfigTag* tag = ServerInstance->Config->ConfValue("securelist");
exemptregistered = tag->getBool("exemptregistered");
showmsg = tag->getBool("showmsg", true);
WaitTime = tag->getDuration("waittime", 60, 1);
allowlist.swap(newallows);
}
ModResult OnPreCommand(std::string& command, CommandBase::Params& parameters, LocalUser* user, bool validated) CXX11_OVERRIDE
{
/* If the command doesnt appear to be valid, we dont want to mess with it. */
if (!validated)
return MOD_RES_PASSTHRU;
time_t waitallowed = user->signon + WaitTime;
if ((command == "LIST") && (ServerInstance->Time() < waitallowed) && (!user->IsOper()))
{
/* Normally wouldnt be allowed here, are they exempt? */
for (std::vector<std::string>::iterator x = allowlist.begin(); x != allowlist.end(); x++)
if (InspIRCd::Match(user->MakeHost(), *x, ascii_case_insensitive_map))
return MOD_RES_PASSTHRU;
const AccountExtItem* ext = GetAccountExtItem();
if (exemptregistered && ext && ext->get(user))
return MOD_RES_PASSTHRU;
if (showmsg)
{
user->WriteNotice(InspIRCd::Format("*** You cannot view the channel list right now. Please %stry again in %s.",
(exemptregistered ? "login to an account or " : ""),
InspIRCd::DurationString(waitallowed - ServerInstance->Time()).c_str()));
}
// The client might be waiting on a response to do something so send them an
// empty list response to satisfy that.
user->WriteNumeric(RPL_LISTSTART, "Channel", "Users Name");
user->WriteNumeric(RPL_LISTEND, "End of channel list.");
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
{
if (showmsg)
tokens["SECURELIST"] = ConvToStr(WaitTime);
}
};
MODULE_INIT(ModuleSecureList)
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