X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_filter.cpp;h=2be2cfeca39a912d8d3d5366a6cf50d7ba1e3458;hb=8f7f74cf0f297e2b8476fc4c670515f8940580ea;hp=e08ba479c9feed5adba0bff124bbc3c6f86350c5;hpb=366fea7aec3858bcaadfe1a66e7ae8afcde76ebc;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_filter.cpp b/src/modules/m_filter.cpp index e08ba479c..2be2cfeca 100644 --- a/src/modules/m_filter.cpp +++ b/src/modules/m_filter.cpp @@ -2,195 +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 Filter +class ModuleFilter : public FilterBase { - public: - std::string reason; - std::string action; -}; - -typedef std::map filter_t; + + filter_t filters; -class FilterException : public ModuleException -{ public: - virtual char* GetReason() + ModuleFilter(InspIRCd* Me) + : FilterBase(Me, "m_filter.so") { - return "Could not find definition in your config file!"; - } -}; + OnRehash(NULL,""); -class ModuleFilter : public Module -{ - Server *Srv; - filter_t filters; - - public: - ModuleFilter(Server* Me) - : Module::Module(Me) - { - // 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; - OnRehash(""); } virtual ~ModuleFilter() { } - void Implements(char* List) - { - 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) + virtual FilterResult* FilterMatch(User* user, const std::string &text, int iflags) { - std::string text2 = text+" "; for (filter_t::iterator index = filters.begin(); index != filters.end(); index++) { - if ((Srv->MatchText(text2,index->first)) || (Srv->MatchText(text,index->first))) - { - Filter* f = (Filter*)index->second; - std::string target = ""; - 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); - } + /* Skip ones that dont apply to us */ + if (!FilterBase::AppliesToMe(user, index->second, iflags)) + continue; - if (f->action == "block") - { - Srv->SendOpers(std::string("FILTER: ")+std::string(user->nick)+ - std::string(" had their notice filtered, target was ")+ - target+": "+f->reason); - Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+ - " :Your notice has been filtered and opers notified: "+f->reason); - } - Srv->Log(DEFAULT,std::string("FILTER: ")+std::string(user->nick)+ - std::string(" had their notice filtered, target was ")+ - target+": "+f->reason+" Action: "+f->action); - - if (f->action == "kill") + if (ServerInstance->MatchText(text,index->first)) + { + FilterResult* fr = index->second; + if (index != filters.begin()) { - Srv->QuitUser(user,f->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(const std::string ¶meter) + + virtual bool DeleteFilter(const std::string &freeform) + { + if (filters.find(freeform) != filters.end()) + { + delete (filters.find(freeform))->second; + filters.erase(filters.find(freeform)); + return true; + } + return false; + } + + virtual std::pair AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &sflags) { - // reload our config file on rehash - we must destroy and re-allocate the classes - // to call the constructor again and re-read our data. - ConfigReader* Conf = new ConfigReader; - std::string filterfile = Conf->ReadValue("filter","file",0); - // this automatically re-reads the configuration file into the class - ConfigReader* MyConf = new ConfigReader(filterfile); - if ((filterfile == "") || (!MyConf->Verify())) + if (filters.find(freeform) != filters.end()) { - // bail if the user forgot to create a config file - FilterException e; - throw(e); + return std::make_pair(false, "Filter already exists"); } + + FilterResult* x = new FilterResult(freeform, reason, type, duration, sflags); + filters[freeform] = x; + + return std::make_pair(true, ""); + } + + virtual void SyncFilters(Module* proto, void* opaque) + { for (filter_t::iterator n = filters.begin(); n != filters.end(); n++) { - delete n->second; + this->SendFilter(proto, opaque, n->second); } - filters.clear(); + } + + 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); - if (do_action == "") + 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"; - Filter* x = new Filter; - x->reason = reason; - x->action = do_action; + if (sflags.empty()) + sflags = "*"; + FilterResult* x = new FilterResult(pattern, reason, do_action, gline_time, sflags); filters[pattern] = x; } - Srv->Log(DEFAULT,std::string("m_filter: read configuration from ")+filterfile); - delete Conf; delete MyConf; + FilterBase::OnRehash(user, parameter); } - - virtual Version GetVersion() - { - // This is version 2 because version 1.x is the unreleased unrealircd module - return Version(2,0,0,2,VF_VENDOR); - } - -}; -// stuff down here is the module-factory stuff. For basic modules you can ignore this. - -class ModuleFilterFactory : public ModuleFactory -{ - public: - ModuleFilterFactory() - { - } - - ~ModuleFilterFactory() - { - } - - 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)