Add support for blocking tag messages with the deaf mode.

[user/henk/code/inspircd.git] / src / modules / m_connflood.cpp

diff --git a/src/modules/m_connflood.cpp b/src/modules/m_connflood.cpp
index 85aa85a9b8ee185322b1f39a94f3941e32505ee3..1f8286e77a8a21cf31a48d8a6b246094fd85cc0a 100644 (file)
--- a/src/modules/m_connflood.cpp
+++ b/src/modules/m_connflood.cpp
@@ -1,9 +1,13 @@
 /*
  * 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
@@ -21,54 +25,60 @@
 
 #include "inspircd.h"
 
-/* $ModDesc: Connection throttle */
-
 class ModuleConnFlood : public Module
 {
-private:
-       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, 2);
        }
 
-       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 (IsExempt(user))
+                       return MOD_RES_PASSTHRU;
+
                time_t next = ServerInstance->Time();
 
                if ((ServerInstance->startup_time + boot_wait) > next)
@@ -111,12 +121,6 @@ public:
                }
                return MOD_RES_PASSTHRU;
        }
-
-       virtual void OnRehash(User* user)
-       {
-               InitConf();
-       }
-
 };
 
 MODULE_INIT(ModuleConnFlood)