]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_connflood.cpp
Convert a bunch of time-related config options to getDuration.
[user/henk/code/inspircd.git] / src / modules / m_connflood.cpp
index 40d64520f73b13818d01be9984a4b156c5c2eedc..1d27e3990d1581f967486cecef6ef068967c164e 100644 (file)
@@ -1,77 +1,71 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *   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>
  *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ * 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 "users.h"
-#include "modules.h"
 
 #include "inspircd.h"
 
-/* $ModDesc: Connection throttle */
-
-int conns = 0, throttled = 0;
-
 class ModuleConnFlood : public Module
 {
-private:
-       int seconds, maxconns, timeout, boot_wait;
+       int seconds, timeout, boot_wait;
+       unsigned int conns;
+       unsigned int maxconns;
+       bool throttled;
        time_t first;
        std::string quitmsg;
 
-       ConfigReader* conf;
-       
-
 public:
-       ModuleConnFlood(InspIRCd* Me) : Module::Module(Me)
+       ModuleConnFlood()
+               : conns(0), throttled(false)
        {
-               
-               InitConf();
        }
 
-       virtual ~ModuleConnFlood()
+       Version GetVersion() CXX11_OVERRIDE
        {
+               return Version("Connection throttle", VF_VENDOR);
        }
 
-       virtual Version GetVersion()
-       {
-               return Version(1,1,0,0,VF_VENDOR,API_VERSION);
-       }
-
-       void Implements(char* List)
-       {
-               List[I_OnRehash] = List[I_OnUserRegister] = 1;
-       }
-   
-       void InitConf()
+       void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
        {
                /* read configuration variables */
-               conf = new ConfigReader(ServerInstance);
+               ConfigTag* tag = ServerInstance->Config->ConfValue("connflood");
                /* throttle configuration */
-               seconds = conf->ReadInteger("connflood", "seconds", 0, true);
-               maxconns = conf->ReadInteger("connflood", "maxconns", 0, true);
-               timeout = conf->ReadInteger("connflood", "timeout", 0, true);
-               quitmsg = conf->ReadValue("connflood", "quitmsg", 0);
+               seconds = tag->getDuration("period", tag->getInt("seconds"));
+               maxconns = tag->getInt("maxconns");
+               timeout = tag->getDuration("timeout");
+               quitmsg = tag->getString("quitmsg");
 
                /* seconds to wait when the server just booted */
-               boot_wait = conf->ReadInteger("connflood", "bootwait", 0, true);
+               boot_wait = tag->getInt("bootwait");
 
                first = ServerInstance->Time();
        }
-       virtual int OnUserRegister(userrec* user)
+
+       ModResult OnUserRegister(LocalUser* user) CXX11_OVERRIDE
        {
+               if (user->exempt)
+                       return MOD_RES_PASSTHRU;
+
                time_t next = ServerInstance->Time();
-               if (!first)
-                       first = next - boot_wait;
+
+               if ((ServerInstance->startup_time + boot_wait) > next)
+                       return MOD_RES_PASSTHRU;
 
                /* time difference between first and latest connection */
                time_t tdiff = next - first;
@@ -79,27 +73,28 @@ public:
                /* increase connection count */
                conns++;
 
-               if (throttled == 1)
+               if (throttled)
                {
                        if (tdiff > seconds + timeout)
                        {
                                /* expire throttle */
-                               throttled = 0;
-                               ServerInstance->WriteOpers("*** Connection throttle deactivated");
-                               return 0;
+                               throttled = false;
+                               ServerInstance->SNO->WriteGlobalSno('a', "Connection throttle deactivated");
+                               return MOD_RES_PASSTHRU;
                        }
-                       userrec::QuitUser(ServerInstance, user, quitmsg);
-                       return 1;
+
+                       ServerInstance->Users->QuitUser(user, quitmsg);
+                       return MOD_RES_DENY;
                }
 
                if (tdiff <= seconds)
                {
                        if (conns >= maxconns)
                        {
-                               throttled = 1;
-                               ServerInstance->WriteOpers("*** Connection throttle activated");
-                               userrec::QuitUser(ServerInstance, user, quitmsg);
-                               return 1;
+                               throttled = true;
+                               ServerInstance->SNO->WriteGlobalSno('a', "Connection throttle activated");
+                               ServerInstance->Users->QuitUser(user, quitmsg);
+                               return MOD_RES_DENY;
                        }
                }
                else
@@ -107,36 +102,8 @@ public:
                        conns = 1;
                        first = next;
                }
-               return 0;
-       }
-
-       virtual void OnRehash(userrec* user, const std::string &parameter)
-       {
-               InitConf();
+               return MOD_RES_PASSTHRU;
        }
-
 };
 
-
-class ModuleConnFloodFactory : public ModuleFactory
-{
-public:
-       ModuleConnFloodFactory()
-       {
-       }
-
-       ~ModuleConnFloodFactory()
-       {
-       }
-    
-       virtual Module * CreateModule(InspIRCd* Me)
-       {
-               return new ModuleConnFlood(Me);
-       }
-};
-
-
-extern "C" void * init_module( void )
-{
-       return new ModuleConnFloodFactory;
-}
+MODULE_INIT(ModuleConnFlood)