/*
* InspIRCd -- Internet Relay Chat Daemon
*
+ * Copyright (C) 2013, 2018-2021 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012-2013 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
- * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
- * Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2006-2007, 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
#include "inspircd.h"
-/* $ModDesc: Connection throttle */
-
class ModuleConnFlood : public Module
{
- int seconds, timeout, boot_wait;
+ private:
+ unsigned int seconds;
+ unsigned int timeout;
+ unsigned int boot_wait;
unsigned int conns;
unsigned int maxconns;
bool throttled;
time_t first;
std::string quitmsg;
-public:
- ModuleConnFlood()
- : conns(0), throttled(false)
+ static bool IsExempt(LocalUser* user)
{
+ // E-lined and already banned users shouldn't be hit.
+ if (user->exempt || user->quitting)
+ return true;
+
+ // Users in an exempt class shouldn't be hit.
+ return user->GetClass() && !user->GetClass()->config->getBool("useconnflood", true);
}
- void init()
+public:
+ ModuleConnFlood()
+ : conns(0), throttled(false)
{
- InitConf();
- Implementation eventlist[] = { I_OnRehash, I_OnUserRegister };
- ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
- virtual Version GetVersion()
+ Version GetVersion() CXX11_OVERRIDE
{
- return Version("Connection throttle", VF_VENDOR);
+ return Version("Throttles excessive connections to the server.", VF_VENDOR);
}
- void InitConf()
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
/* read configuration variables */
ConfigTag* tag = ServerInstance->Config->ConfValue("connflood");
/* throttle configuration */
- seconds = tag->getInt("seconds");
- maxconns = tag->getInt("maxconns");
- timeout = tag->getInt("timeout");
+ seconds = tag->getDuration("period", tag->getDuration("seconds", 30));
+ maxconns = tag->getUInt("maxconns", 3);
+ timeout = tag->getDuration("timeout", 30);
quitmsg = tag->getString("quitmsg");
/* seconds to wait when the server just booted */
- boot_wait = tag->getInt("bootwait");
+ boot_wait = tag->getDuration("bootwait", 60*2);
first = ServerInstance->Time();
}
- virtual ModResult OnUserRegister(LocalUser* user)
+ ModResult OnUserRegister(LocalUser* user) CXX11_OVERRIDE
{
- if (user->exempt)
+ if (IsExempt(user))
return MOD_RES_PASSTHRU;
time_t next = ServerInstance->Time();
}
return MOD_RES_PASSTHRU;
}
-
- virtual void OnRehash(User* user)
- {
- InitConf();
- }
-
};
MODULE_INIT(ModuleConnFlood)