X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_joinflood.cpp;h=c7b5700d235c14e5679ca016f3b5de29e33b7e7f;hb=e7c31868d1787071a063c31eae0a8de5389a9419;hp=ca19bf14ad19cf1c6a6a14eadd4b852f846ae8ee;hpb=74ce37ff2bad1f445f85839b3acda05eefd98a1b;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_joinflood.cpp b/src/modules/m_joinflood.cpp index ca19bf14a..c7b5700d2 100644 --- a/src/modules/m_joinflood.cpp +++ b/src/modules/m_joinflood.cpp @@ -21,11 +21,14 @@ using namespace std; #include "users.h" #include "channels.h" #include "modules.h" -#include "helperfuncs.h" +#include "configreader.h" +#include "inspircd.h" -/* $ModDesc: Provides channel mode +f (message flood protection) */ +/* $ModDesc: Provides channel mode +j (join flood protection) */ -class joinfloodsettings + + +class joinfloodsettings : public classbase { public: @@ -42,16 +45,13 @@ class joinfloodsettings reset = time(NULL) + secs; counter = 0; locked = false; - log(DEBUG,"Create new joinfloodsettings: %lu %lu",time(NULL),reset); }; void addjoin() { counter++; - log(DEBUG,"joinflood counter is %d",counter); if (time(NULL) > reset) { - log(DEBUG,"joinflood counter reset"); counter = 0; reset = time(NULL) + secs; } @@ -64,7 +64,6 @@ class joinfloodsettings void clear() { - log(DEBUG,"joinflood counter clear"); counter = 0; } @@ -87,103 +86,126 @@ class joinfloodsettings void lock() { - log(DEBUG,"joinflood lock"); locked = true; unlocktime = time(NULL) + 60; } - }; -class ModuleJoinFlood : public Module +class JoinFlood : public ModeHandler { - Server *Srv; - public: - - ModuleJoinFlood(Server* Me) - : Module::Module(Me) + JoinFlood(InspIRCd* Instance) : ModeHandler(Instance, 'j', 1, 0, false, MODETYPE_CHANNEL, false) { } + + ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter) + { + joinfloodsettings* x; + if (channel->GetExt("joinflood",x)) + return std::make_pair(true, ConvToStr(x->joins)+":"+ConvToStr(x->secs)); + else + return std::make_pair(false, parameter); + } + + bool CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, chanrec* channel) { - Srv = Me; - Srv->AddExtendedMode('j',MT_CHANNEL,false,1,0); + /* When TS is equal, the alphabetically later one wins */ + return (their_param < our_param); } - - virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms) + + ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding) { - if ((modechar == 'j') && (type == MT_CHANNEL)) + joinfloodsettings* dummy; + + if (adding) { - if (mode_on) + ServerInstance->Log(DEBUG,"Got parameter: '%s'",parameter.c_str()); + char ndata[MAXBUF]; + char* data = ndata; + strlcpy(ndata,parameter.c_str(),MAXBUF); + char* joins = data; + char* secs = NULL; + while (*data) { - std::string FloodParams = params[0]; - chanrec* c = (chanrec*)target; - char ndata[MAXBUF]; - char* data = ndata; - strlcpy(ndata,FloodParams.c_str(),MAXBUF); - char* joins = data; - char* secs = NULL; - while (*data) + if (*data == ':') { - if (*data == ':') - { - *data = 0; - data++; - secs = data; - break; - } - else data++; + *data = 0; + data++; + secs = data; + break; } - if (secs) + else data++; + } + if (secs) + { + /* Set up the flood parameters for this channel */ + int njoins = atoi(joins); + int nsecs = atoi(secs); + if ((njoins<1) || (nsecs<1)) { - /* Set up the flood parameters for this channel */ - int njoins = atoi(joins); - int nsecs = atoi(secs); - if ((njoins<1) || (nsecs<1)) - { - WriteServ(user->fd,"608 %s %s :Invalid flood parameter",user->nick,c->name); - return 0; - } - else - { - if (!c->GetExt("joinflood")) - { - joinfloodsettings *f = new joinfloodsettings(nsecs,njoins); - c->Extend("joinflood",(char*)f); - } - } - return 1; + source->WriteServ("608 %s %s :Invalid flood parameter",source->nick,channel->name); + parameter = ""; + return MODEACTION_DENY; } else { - WriteServ(user->fd,"608 %s %s :Invalid flood parameter",user->nick,c->name); - return 0; + if (!channel->GetExt("joinflood", dummy)) + { + parameter = ConvToStr(njoins) + ":" +ConvToStr(nsecs); + joinfloodsettings *f = new joinfloodsettings(nsecs,njoins); + channel->Extend("joinflood", f); + channel->SetMode('j', true); + channel->SetModeParam('j', parameter.c_str(), true); + return MODEACTION_ALLOW; + } } - } else { - chanrec* c = (chanrec*)target; - if (c->GetExt("joinflood")) - { - joinfloodsettings *f = (joinfloodsettings*)c->GetExt("joinflood"); - delete f; - c->Shrink("joinflood"); - } + source->WriteServ("608 %s %s :Invalid flood parameter",source->nick,channel->name); + return MODEACTION_DENY; } - return 1; } - return 0; + else + { + if (channel->GetExt("joinflood", dummy)) + { + joinfloodsettings *f; + channel->GetExt("joinflood", f); + DELETE(f); + channel->Shrink("joinflood"); + channel->SetMode('j', false); + return MODEACTION_ALLOW; + } + } + return MODEACTION_DENY; } +}; +class ModuleJoinFlood : public Module +{ + + JoinFlood* jf; + + public: + + ModuleJoinFlood(InspIRCd* Me) + : Module::Module(Me) + { + + jf = new JoinFlood(ServerInstance); + ServerInstance->AddMode(jf, 'j'); + } + virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname) { if (chan) { - joinfloodsettings *f = (joinfloodsettings*)chan->GetExt("joinflood"); - if (f) + joinfloodsettings *f; + if (chan->GetExt("joinflood", f)) { if (f->islocked()) { - WriteServ(user->fd,"609 %s %s :This channel is temporarily unavailable (+j). Please try again later.",user->nick,chan->name); + user->WriteServ("609 %s %s :This channel is temporarily unavailable (+j). Please try again later.",user->nick,chan->name); return 1; } } @@ -193,46 +215,43 @@ class ModuleJoinFlood : public Module virtual void OnUserJoin(userrec* user, chanrec* channel) { - joinfloodsettings *f = (joinfloodsettings*)channel->GetExt("joinflood"); - if (f) + joinfloodsettings *f; + if (channel->GetExt("joinflood",f)) { f->addjoin(); if (f->shouldlock()) { f->clear(); f->lock(); - WriteChannelWithServ((char*)Srv->GetServerName().c_str(), channel, "NOTICE %s :This channel has been closed to new users for 60 seconds because there have been more than %d joins in %d seconds.",channel->name,f->joins,f->secs); + channel->WriteChannelWithServ((char*)ServerInstance->Config->ServerName, "NOTICE %s :This channel has been closed to new users for 60 seconds because there have been more than %d joins in %d seconds.", channel->name, f->joins, f->secs); } } } void OnChannelDelete(chanrec* chan) { - if (chan->GetExt("joinflood")) + joinfloodsettings *f; + if (chan->GetExt("joinflood",f)) { - joinfloodsettings *f = (joinfloodsettings*)chan->GetExt("joinflood"); - delete f; + DELETE(f); chan->Shrink("joinflood"); } } void Implements(char* List) { - List[I_On005Numeric] = List[I_OnExtendedMode] = List[I_OnChannelDelete] = List[I_OnUserPreJoin] = List[I_OnUserJoin] = 1; - } - - virtual void On005Numeric(std::string &output) - { - InsertMode(output, "j", 3); + List[I_OnChannelDelete] = List[I_OnUserPreJoin] = List[I_OnUserJoin] = 1; } virtual ~ModuleJoinFlood() { + ServerInstance->Modes->DelMode(jf); + DELETE(jf); } virtual Version GetVersion() { - return Version(1,0,0,0,VF_STATIC|VF_VENDOR); + return Version(1, 0, 0, 0, VF_COMMON | VF_VENDOR); } }; @@ -248,7 +267,7 @@ class ModuleJoinFloodFactory : public ModuleFactory { } - virtual Module * CreateModule(Server* Me) + virtual Module * CreateModule(InspIRCd* Me) { return new ModuleJoinFlood(Me); }