X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_filter.cpp;h=2be2cfeca39a912d8d3d5366a6cf50d7ba1e3458;hb=8f7f74cf0f297e2b8476fc4c670515f8940580ea;hp=5b2826f5a1fd65b00b3a8cf18a78d8dabe13a568;hpb=235a0a2035bda6dd214719107083266207f39883;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_filter.cpp b/src/modules/m_filter.cpp index 5b2826f5a..2be2cfeca 100644 --- a/src/modules/m_filter.cpp +++ b/src/modules/m_filter.cpp @@ -2,176 +2,133 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * Written by Craig Edwards, Craig McLure, and others. + * InspIRCd: (C) 2002-2008 InspIRCd Development Team + * See: http://www.inspircd.org/wiki/index.php/Credits + * * This program is free but copyrighted software; see * the file COPYING for details. * * --------------------------------------------------- */ -using namespace std; - -// Message and notice filtering using glob patterns -// a module based on the original work done by Craig Edwards in 2003 -// for the chatspike network. +#include "inspircd.h" +#include "m_filter.h" -#include -#include -#include "users.h" -#include "channels.h" -#include "modules.h" -#include "helperfuncs.h" +/* $ModDesc: An advanced spam filtering module */ +/* $ModDep: m_filter.h */ -/* $ModDesc: An enhanced version of the unreal m_filter.so used by chatspike.net */ +typedef std::map filter_t; -class ModuleFilter : public Module +class ModuleFilter : public FilterBase { - Server *Srv; - ConfigReader *Conf, *MyConf; + filter_t filters; + public: - ModuleFilter(Server* Me) - : Module::Module(Me) + ModuleFilter(InspIRCd* Me) + : FilterBase(Me, "m_filter.so") { - // read the configuration file on startup. - // it is perfectly valid to set to the value of the - // main config file, then append your tags to the bottom - // of the main config... but rather messy. That's why the capability - // of using a seperate config file is provided. - Srv = Me; - Conf = new ConfigReader; - std::string filterfile = Conf->ReadValue("filter","file",0); - MyConf = new ConfigReader(filterfile); - if ((filterfile == "") || (!MyConf->Verify())) - { - printf("Error, could not find definition in your config file!\n"); - log(DEFAULT,"Error, could not find definition in your config file!"); - return; - } - Srv->Log(DEFAULT,std::string("m_filter: read configuration from ")+filterfile); + OnRehash(NULL,""); + } virtual ~ModuleFilter() { - delete MyConf; - delete Conf; } - void Implements(char* List) + virtual FilterResult* FilterMatch(User* user, const std::string &text, int iflags) { - List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1; - } - - // format of a config entry is - - virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status) - { - return OnUserPreNotice(user,dest,target_type,text,status); - } - - virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status) - { - std::string text2 = text+" "; - for (int index = 0; index < MyConf->Enumerate("keyword"); index++) + for (filter_t::iterator index = filters.begin(); index != filters.end(); index++) { - std::string pattern = MyConf->ReadValue("keyword","pattern",index); - if ((Srv->MatchText(text2,pattern)) || (Srv->MatchText(text,pattern))) + + /* Skip ones that dont apply to us */ + if (!FilterBase::AppliesToMe(user, index->second, iflags)) + continue; + + if (ServerInstance->MatchText(text,index->first)) { - std::string target = ""; - std::string reason = MyConf->ReadValue("keyword","reason",index); - std::string do_action = MyConf->ReadValue("keyword","action",index); - - if (do_action == "") - do_action = "none"; - - if (target_type == TYPE_USER) - { - userrec* t = (userrec*)dest; - target = std::string(t->nick); - } - else if (target_type == TYPE_CHANNEL) - { - chanrec* t = (chanrec*)dest; - target = std::string(t->name); - } - if (do_action == "block") - { - Srv->SendOpers(std::string("FILTER: ")+std::string(user->nick)+ - std::string(" had their notice filtered, target was ")+ - target+": "+reason); - Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+ - " :Your notice has been filtered and opers notified: "+reason); - } - Srv->Log(DEFAULT,std::string("FILTER: ")+std::string(user->nick)+ - std::string(" had their notice filtered, target was ")+ - target+": "+reason+" Action: "+do_action); - - if (do_action == "kill") + FilterResult* fr = index->second; + if (index != filters.begin()) { - Srv->QuitUser(user,reason); + std::string pat = index->first; + filters.erase(index); + filters.insert(filters.begin(), std::make_pair(pat,fr)); } - return 1; + return fr; } } - return 0; + return NULL; } - - virtual void OnRehash(std::string parameter) + + virtual bool DeleteFilter(const std::string &freeform) { - // reload our config file on rehash - we must destroy and re-allocate the classes - // to call the constructor again and re-read our data. - delete Conf; - delete MyConf; - Conf = new ConfigReader; - std::string filterfile = Conf->ReadValue("filter","file",0); - // this automatically re-reads the configuration file into the class - MyConf = new ConfigReader(filterfile); - if ((filterfile == "") || (!MyConf->Verify())) + if (filters.find(freeform) != filters.end()) { - // bail if the user forgot to create a config file - printf("Error, could not find definition in your config file!"); - log(DEFAULT,"Error, could not find definition in your config file!"); - return; + delete (filters.find(freeform))->second; + filters.erase(filters.find(freeform)); + return true; } - Srv->Log(DEFAULT,std::string("m_filter: read configuration from ")+filterfile); + return false; } - - virtual Version GetVersion() + + virtual std::pair AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &sflags) { - // This is version 2 because version 1.x is the unreleased unrealircd module - return Version(2,0,0,1,VF_VENDOR); - } - -}; + if (filters.find(freeform) != filters.end()) + { + return std::make_pair(false, "Filter already exists"); + } -// stuff down here is the module-factory stuff. For basic modules you can ignore this. + FilterResult* x = new FilterResult(freeform, reason, type, duration, sflags); + filters[freeform] = x; -class ModuleFilterFactory : public ModuleFactory -{ - public: - ModuleFilterFactory() + return std::make_pair(true, ""); + } + + virtual void SyncFilters(Module* proto, void* opaque) { + for (filter_t::iterator n = filters.begin(); n != filters.end(); n++) + { + this->SendFilter(proto, opaque, n->second); + } } - - ~ModuleFilterFactory() + + virtual void OnRehash(User* user, const std::string ¶meter) { + ConfigReader* MyConf = new ConfigReader(ServerInstance); + + for (int index = 0; index < MyConf->Enumerate("keyword"); index++) + { + this->DeleteFilter(MyConf->ReadValue("keyword","pattern",index)); + + std::string pattern = MyConf->ReadValue("keyword","pattern",index); + std::string reason = MyConf->ReadValue("keyword","reason",index); + std::string do_action = MyConf->ReadValue("keyword","action",index); + std::string sflags = MyConf->ReadValue("keyword","flags",index); + long gline_time = ServerInstance->Duration(MyConf->ReadValue("keyword","duration",index)); + if (do_action.empty()) + do_action = "none"; + if (sflags.empty()) + sflags = "*"; + FilterResult* x = new FilterResult(pattern, reason, do_action, gline_time, sflags); + filters[pattern] = x; + } + delete MyConf; + FilterBase::OnRehash(user, parameter); } - - virtual Module * CreateModule(Server* Me) + + virtual int OnStats(char symbol, User* user, string_list &results) { - return new ModuleFilter(Me); + if (symbol == 's') + { + std::string sn = ServerInstance->Config->ServerName; + for (filter_t::iterator n = filters.begin(); n != filters.end(); n++) + { + results.push_back(sn+" 223 "+user->nick+" :GLOB:"+n->second->freeform+" "+n->second->flags+" "+n->second->action+" "+ConvToStr(n->second->gline_time)+" :"+n->second->reason); + } + } + return 0; } - }; -extern "C" void * init_module( void ) -{ - return new ModuleFilterFactory; -} - +MODULE_INIT(ModuleFilter)