X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_messageflood.cpp;h=9d119b6c37cfc679e52315670acddb443ae7f70e;hb=ff3b706b2506d7614bce5e54bc88657bd62ebd4d;hp=e0b30163c28c5af598e895c69973167ad4ff8e08;hpb=21c3232b8e0bb41727f2d65a0b2d5304587cf6be;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_messageflood.cpp b/src/modules/m_messageflood.cpp index e0b30163c..9d119b6c3 100644 --- a/src/modules/m_messageflood.cpp +++ b/src/modules/m_messageflood.cpp @@ -24,8 +24,7 @@ #include "inspircd.h" - -/* $ModDesc: Provides channel mode +f (message flood protection) */ +#include "modules/exemption.h" /** Holds flood settings and state for mode +f */ @@ -36,7 +35,7 @@ class floodsettings unsigned int secs; unsigned int lines; time_t reset; - std::map counters; + insp::flat_map counters; floodsettings(bool a, int b, int c) : ban(a), secs(b), lines(c) { @@ -56,92 +55,78 @@ class floodsettings void clear(User* who) { - std::map::iterator iter = counters.find(who); - if (iter != counters.end()) - { - counters.erase(iter); - } + counters.erase(who); } }; /** Handles channel mode +f */ -class MsgFlood : public ModeHandler +class MsgFlood : public ParamMode > { public: - SimpleExtItem ext; - MsgFlood(Module* Creator) : ModeHandler(Creator, "flood", 'f', PARAM_SETONLY, MODETYPE_CHANNEL), - ext("messageflood", Creator) { } - - ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding) + MsgFlood(Module* Creator) + : ParamMode >(Creator, "flood", 'f') { - floodsettings *f = ext.get(channel); + } - if (adding) + ModeAction OnSet(User* source, Channel* channel, std::string& parameter) + { + std::string::size_type colon = parameter.find(':'); + if ((colon == std::string::npos) || (parameter.find('-') != std::string::npos)) { - std::string::size_type colon = parameter.find(':'); - if ((colon == std::string::npos) || (parameter.find('-') != std::string::npos)) - { - source->WriteNumeric(608, "%s %s :Invalid flood parameter",source->nick.c_str(),channel->name.c_str()); - return MODEACTION_DENY; - } - - /* Set up the flood parameters for this channel */ - bool ban = (parameter[0] == '*'); - unsigned int nlines = ConvToInt(parameter.substr(ban ? 1 : 0, ban ? colon-1 : colon)); - unsigned int nsecs = ConvToInt(parameter.substr(colon+1)); - - if ((nlines<2) || (nsecs<1)) - { - source->WriteNumeric(608, "%s %s :Invalid flood parameter",source->nick.c_str(),channel->name.c_str()); - return MODEACTION_DENY; - } + source->WriteNumeric(608, channel->name, "Invalid flood parameter"); + return MODEACTION_DENY; + } - if ((f) && (nlines == f->lines) && (nsecs == f->secs) && (ban == f->ban)) - // mode params match - return MODEACTION_DENY; + /* Set up the flood parameters for this channel */ + bool ban = (parameter[0] == '*'); + unsigned int nlines = ConvToInt(parameter.substr(ban ? 1 : 0, ban ? colon-1 : colon)); + unsigned int nsecs = ConvToInt(parameter.substr(colon+1)); - ext.set(channel, new floodsettings(ban, nsecs, nlines)); - parameter = std::string(ban ? "*" : "") + ConvToStr(nlines) + ":" + ConvToStr(nsecs); - channel->SetModeParam('f', parameter); - return MODEACTION_ALLOW; - } - else + if ((nlines<2) || (nsecs<1)) { - if (f) - { - ext.unset(channel); - channel->SetModeParam('f', ""); - return MODEACTION_ALLOW; - } + source->WriteNumeric(608, channel->name, "Invalid flood parameter"); + return MODEACTION_DENY; } - return MODEACTION_DENY; + ext.set(channel, new floodsettings(ban, nsecs, nlines)); + return MODEACTION_ALLOW; + } + + void SerializeParam(Channel* chan, const floodsettings* fs, std::string& out) + { + if (fs->ban) + out.push_back('*'); + out.append(ConvToStr(fs->lines)).push_back(':'); + out.append(ConvToStr(fs->secs)); } }; class ModuleMsgFlood : public Module { + CheckExemption::EventProvider exemptionprov; MsgFlood mf; public: ModuleMsgFlood() - : mf(this) + : exemptionprov(this) + , mf(this) { - if (!ServerInstance->Modes->AddMode(&mf)) - throw ModuleException("Could not add new modes!"); - ServerInstance->Extensions.Register(&mf.ext); - Implementation eventlist[] = { I_OnUserPreNotice, I_OnUserPreMessage }; - ServerInstance->Modules->Attach(eventlist, this, 2); } - ModResult ProcessMessages(User* user,Channel* dest, const std::string &text) + ModResult OnUserPreMessage(User* user, void* voiddest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE { - if ((!IS_LOCAL(user)) || !dest->IsModeSet('f')) + if (target_type != TYPE_CHANNEL) + return MOD_RES_PASSTHRU; + + Channel* dest = static_cast(voiddest); + if ((!IS_LOCAL(user)) || !dest->IsModeSet(mf)) return MOD_RES_PASSTHRU; - if (ServerInstance->OnCheckExemption(user,dest,"flood") == MOD_RES_ALLOW) + ModResult res; + FIRST_MOD_RESULT_CUSTOM(exemptionprov, CheckExemption::EventListener, OnCheckExemption, res, (user, dest, "flood")); + if (res == MOD_RES_ALLOW) return MOD_RES_PASSTHRU; floodsettings *f = mf.ext.get(dest); @@ -153,17 +138,15 @@ class ModuleMsgFlood : public Module f->clear(user); if (f->ban) { - std::vector parameters; - parameters.push_back(dest->name); - parameters.push_back("+b"); - parameters.push_back(user->MakeWildHost()); - ServerInstance->SendGlobalMode(parameters, ServerInstance->FakeClient); + Modes::ChangeList changelist; + changelist.push_add(ServerInstance->Modes->FindMode('b', MODETYPE_CHANNEL), "*!*@" + user->dhost); + ServerInstance->Modes->Process(ServerInstance->FakeClient, dest, NULL, changelist); } - char kickmessage[MAXBUF]; - snprintf(kickmessage, MAXBUF, "Channel flood triggered (limit is %u lines in %u secs)", f->lines, f->secs); + const std::string kickMessage = "Channel flood triggered (trigger is " + ConvToStr(f->lines) + + " lines in " + ConvToStr(f->secs) + " secs)"; - dest->KickUser(ServerInstance->FakeClient, user, kickmessage); + dest->KickUser(ServerInstance->FakeClient, user, kickMessage); return MOD_RES_DENY; } @@ -172,27 +155,13 @@ class ModuleMsgFlood : public Module return MOD_RES_PASSTHRU; } - ModResult OnUserPreMessage(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list) - { - if (target_type == TYPE_CHANNEL) - return ProcessMessages(user,(Channel*)dest,text); - - return MOD_RES_PASSTHRU; - } - - ModResult OnUserPreNotice(User *user, void *dest, int target_type, std::string &text, char status, CUList &exempt_list) - { - if (target_type == TYPE_CHANNEL) - return ProcessMessages(user,(Channel*)dest,text); - - return MOD_RES_PASSTHRU; - } - - ~ModuleMsgFlood() + void Prioritize() CXX11_OVERRIDE { + // we want to be after all modules that might deny the message (e.g. m_muteban, m_noctcp, m_blockcolor, etc.) + ServerInstance->Modules->SetPriority(this, I_OnUserPreMessage, PRIORITY_LAST); } - Version GetVersion() + Version GetVersion() CXX11_OVERRIDE { return Version("Provides channel mode +f (message flood protection)", VF_VENDOR); }