X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_connflood.cpp;h=f77691e3276a8efe2f6649b4da04d31a588b79fc;hb=4c751dbbe8945e5efc230a59b0ed51c2ba10cf92;hp=bf05c272a7669532fd641dfa5569d5f9ebfe5574;hpb=12737ab4ad61a0d8a908c8a21594c7012e21eb3c;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_connflood.cpp b/src/modules/m_connflood.cpp index bf05c272a..f77691e32 100644 --- a/src/modules/m_connflood.cpp +++ b/src/modules/m_connflood.cpp @@ -1,87 +1,81 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * + * Copyright (C) 2007 Dennis Friis + * Copyright (C) 2007 Robin Burchell + * Copyright (C) 2006 Craig Edwards * - * --- This module contributed by pippijn --- - * - * Written by Craig Edwards, Craig McLure, and others. - * 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 . */ -using namespace std; -#include "users.h" -#include "modules.h" -#include "helperfuncs.h" #include "inspircd.h" /* $ModDesc: Connection throttle */ -int conns = 0, throttled = 0; -extern time_t TIME; - - - 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() + void init() { + InitConf(); + Implementation eventlist[] = { I_OnRehash, I_OnUserRegister }; + ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation)); } virtual Version GetVersion() { - return Version(1,0,0,0,0); + return Version("Connection throttle", VF_VENDOR); } - void Implements(char* List) - { - List[I_OnRehash] = List[I_OnUserRegister] = 1; - } - void InitConf() { /* 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->getInt("seconds"); + maxconns = tag->getInt("maxconns"); + timeout = tag->getInt("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 = TIME; + first = ServerInstance->Time(); } - - virtual void OnUserRegister(userrec* user) + + virtual ModResult OnUserRegister(LocalUser* user) { - time_t next = TIME; - if (!first) - first = next - boot_wait; + if (user->exempt) + return MOD_RES_PASSTHRU; + + time_t next = ServerInstance->Time(); + + if ((ServerInstance->startup_time + boot_wait) > next) + return MOD_RES_PASSTHRU; /* time difference between first and latest connection */ time_t tdiff = next - first; @@ -89,27 +83,28 @@ public: /* increase connection count */ conns++; - if (throttled == 1) + if (throttled) { if (tdiff > seconds + timeout) { /* expire throttle */ - throttled = 0; - ServerInstance->WriteOpers("*** Connection throttle deactivated"); - return; + throttled = false; + ServerInstance->SNO->WriteGlobalSno('a', "Connection throttle deactivated"); + return MOD_RES_PASSTHRU; } - userrec::QuitUser(ServerInstance, user, quitmsg); - return; + + 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; + throttled = true; + ServerInstance->SNO->WriteGlobalSno('a', "Connection throttle activated"); + ServerInstance->Users->QuitUser(user, quitmsg); + return MOD_RES_DENY; } } else @@ -117,35 +112,14 @@ public: conns = 1; first = next; } + return MOD_RES_PASSTHRU; } - virtual void OnRehash(const std::string ¶meter) + virtual void OnRehash(User* user) { InitConf(); } }; - -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)