X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_filter.h;h=896c75dc25732b361c84d53b0c915fc3553680dd;hb=7c197db72eab03321e4f3e847054e13126520504;hp=437928a2980bf4a366f58a0e570330a4ad2dc5d3;hpb=745994473896e59faa59e4caf3fb621ef974419a;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_filter.h b/src/modules/m_filter.h index 437928a29..896c75dc2 100644 --- a/src/modules/m_filter.h +++ b/src/modules/m_filter.h @@ -2,12 +2,9 @@ * | 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) 2002-2007 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. * @@ -19,11 +16,12 @@ class FilterResult : public classbase { public: + std::string freeform; std::string reason; std::string action; long gline_time; - FilterResult(const std::string &rea, const std::string &act, long gt) : reason(rea), action(act), gline_time(gt) + FilterResult(const std::string free, const std::string &rea, const std::string &act, long gt) : freeform(free), reason(rea), action(act), gline_time(gt) { } @@ -45,13 +43,21 @@ class FilterBase : public Module FilterBase(InspIRCd* Me, const std::string &source); virtual ~FilterBase(); virtual void Implements(char* List); - virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status); + virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list); virtual FilterResult* FilterMatch(const std::string &text) = 0; virtual bool DeleteFilter(const std::string &freeform) = 0; + virtual void SyncFilters(Module* proto, void* opaque) = 0; + virtual void SendFilter(Module* proto, void* opaque, FilterResult* iter); virtual std::pair AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration) = 0; - virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status); - virtual void OnRehash(const std::string ¶meter); + virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list); + virtual void OnRehash(userrec* user, const std::string ¶meter); virtual Version GetVersion(); + std::string EncodeFilter(FilterResult* filter); + FilterResult DecodeFilter(const std::string &data); + virtual void OnSyncOtherMetaData(Module* proto, void* opaque); + virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata); + virtual int OnStats(char symbol, userrec* user, string_list &results) = 0; + virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line); }; class cmd_filter : public command_t @@ -116,8 +122,8 @@ class cmd_filter : public command_t std::pair result = Base->AddFilter(freeform, type, reason, duration); if (result.first) { - user->WriteServ("NOTICE %s :*** Added filter '%s', type '%s%s%s', reason: '%s'", user->nick, freeform.c_str(), - (duration ? " duration: " : ""), (duration ? ConvToStr(duration).c_str() : ""), + user->WriteServ("NOTICE %s :*** Added filter '%s', type '%s'%s%s, reason: '%s'", user->nick, freeform.c_str(), + type.c_str(), (duration ? " duration: " : ""), (duration ? parameters[2] : ""), reason.c_str()); return CMD_SUCCESS; } @@ -154,16 +160,20 @@ FilterBase::~FilterBase() void FilterBase::Implements(char* List) { - List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1; + List[I_OnPreCommand] = List[I_OnStats] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1; } -int FilterBase::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status) +int FilterBase::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) { - return OnUserPreNotice(user,dest,target_type,text,status); + return OnUserPreNotice(user,dest,target_type,text,status,exempt_list); } -int FilterBase::OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status) +int FilterBase::OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list) { + /* Leave ulines alone */ + if ((ServerInstance->ULine(user->server)) || (!IS_LOCAL(user))) + return 0; + FilterResult* f = this->FilterMatch(text); if (f) { @@ -186,7 +196,7 @@ int FilterBase::OnUserPreNotice(userrec* user,void* dest,int target_type, std::s ServerInstance->Log(DEFAULT,"FILTER: "+std::string(user->nick)+std::string(" had their notice filtered, target was ")+target+": "+f->reason+" Action: "+f->action); if (f->action == "kill") { - userrec::QuitUser(ServerInstance,user,f->reason); + userrec::QuitUser(ServerInstance,user,"Filtered: "+f->reason); } if (f->action == "gline") { @@ -201,12 +211,153 @@ int FilterBase::OnUserPreNotice(userrec* user,void* dest,int target_type, std::s return 0; } -void FilterBase::OnRehash(const std::string ¶meter) +int FilterBase::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line) +{ + if ((validated == 1) && (IS_LOCAL(user))) + { + std::string checkline; + int replacepoint = 0; + bool parting = false; + + if (command == "QUIT") + { + /* QUIT with no reason: nothing to do */ + if (pcnt < 1) + return 0; + + checkline = parameters[0]; + replacepoint = 0; + parting = false; + } + else if (command == "PART") + { + /* PART with no reason: nothing to do */ + if (pcnt < 2) + return 0; + + checkline = parameters[1]; + replacepoint = 1; + parting = true; + } + else + /* We're only messing with PART and QUIT */ + return 0; + + FilterResult* f = this->FilterMatch(checkline); + + if (!f) + /* PART or QUIT reason doesnt match a filter */ + return 0; + + ServerInstance->Log(DEBUG,"Match block text"); + + /* We cant block a part or quit, so instead we change the reason to 'Reason filtered' */ + command_t* c = ServerInstance->Parser->GetHandler(command); + if (c) + { + ServerInstance->Log(DEBUG,"Found handler"); + + const char* params[127]; + for (int item = 0; item < pcnt; item++) + params[item] = parameters[item]; + params[replacepoint] = "Reason filtered"; + + /* We're blocking, OR theyre quitting and its a KILL action + * (we cant kill someone whos already quitting, so filter them anyway) + */ + if ((f->action == "block") || (((!parting) && (f->action == "kill")))) + { + c->Handle(params, pcnt, user); + return 1; + } + else + { + /* Are they parting, if so, kill is applicable */ + if ((parting) && (f->action == "kill")) + { + user->SetWriteError("Filtered: "+f->reason); + /* This WriteServ causes the write error to be applied. + * Its not safe to kill here with QuitUser in a PreCommand handler, + * so we do it this way, which is safe just about anywhere. + */ + user->WriteServ("NOTICE %s :*** Your PART message was filtered: %s", user->nick, f->reason.c_str()); + } + if (f->action == "gline") + { + /* Note: We gline *@IP so that if their host doesnt resolve the gline still applies. */ + std::string wild = "*@"; + wild.append(user->GetIPString()); + + if (ServerInstance->XLines->add_gline(f->gline_time, ServerInstance->Config->ServerName, f->reason.c_str(), wild.c_str())) + { + ServerInstance->XLines->apply_lines(APPLY_GLINES); + FOREACH_MOD(I_OnAddGLine,OnAddGLine(f->gline_time, NULL, f->reason, user->MakeHostIP())); + } + } + return 1; + } + } + return 0; + } + return 0; +} + +void FilterBase::OnRehash(userrec* user, const std::string ¶meter) { } Version FilterBase::GetVersion() { - return Version(1,1,0,2,VF_VENDOR,API_VERSION); + return Version(1,1,0,2,VF_VENDOR|VF_COMMON,API_VERSION); +} + + +std::string FilterBase::EncodeFilter(FilterResult* filter) +{ + std::ostringstream stream; + std::string x = filter->freeform; + + for (std::string::iterator n = x.begin(); n != x.end(); n++) + if (*n == ' ') + *n = '\7'; + + stream << x << " " << filter->action << " " << filter->gline_time << " " << filter->reason; + return stream.str(); +} + +FilterResult FilterBase::DecodeFilter(const std::string &data) +{ + FilterResult res; + std::istringstream stream(data); + + stream >> res.freeform; + stream >> res.action; + stream >> res.gline_time; + res.reason = stream.str(); + + for (std::string::iterator n = res.freeform.begin(); n != res.freeform.end(); n++) + if (*n == '\7') + *n = ' '; + + return res; +} + +void FilterBase::OnSyncOtherMetaData(Module* proto, void* opaque) +{ + this->SyncFilters(proto, opaque); +} + +void FilterBase::SendFilter(Module* proto, void* opaque, FilterResult* iter) +{ + proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "filter", EncodeFilter(iter)); +} + +void FilterBase::OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata) +{ + if ((target_type == TYPE_OTHER) && (extname == "filter")) + { + FilterResult data = DecodeFilter(extdata); + this->AddFilter(data.freeform, data.action, data.reason, data.gline_time); + } }