X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_chanprotect.cpp;h=ce7680ad48c9b3a62bb59d894ca1765475f50f90;hb=5b949866d429203ae48f2088e4f97592755592c6;hp=83dc2fd6faa059796836cd549aa2f38169986aaa;hpb=33677d80717f7ad458816cd538d424e09ba2eb18;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_chanprotect.cpp b/src/modules/m_chanprotect.cpp index 83dc2fd6f..ce7680ad4 100644 --- a/src/modules/m_chanprotect.cpp +++ b/src/modules/m_chanprotect.cpp @@ -11,31 +11,142 @@ char dummyvalue[] = "on"; class ModuleChanProtect : public Module { Server *Srv; + bool FirstInGetsFounder; + ConfigReader *Conf; public: ModuleChanProtect() { + + // here we initialise our module. Use new to create new instances of the required + // classes. + Srv = new Server; + Conf = new ConfigReader; + // set up our modes. We're using listmodes and not normal extmodes here. // listmodes only need one parameter as everything else is assumed by the // nature of the mode thats being created. Srv->AddExtendedListMode('a'); Srv->AddExtendedListMode('q'); + + // read our config options (main config file) + FirstInGetsFounder = Conf->ReadFlag("options","noservices",0); + } + + virtual void OnRehash() + { + // on a rehash we delete our classes for good measure and create them again. + delete Conf; + Conf = new ConfigReader; + // re-read our config options on a rehash + FirstInGetsFounder = Conf->ReadFlag("options","noservices",0); } virtual void OnUserJoin(userrec* user, chanrec* channel) { - // if the user is the first user into the channel, mark them as the founder - if (Srv->CountUsers(channel) == 1) + // if the user is the first user into the channel, mark them as the founder, but only if + // the config option for it is set + if (FirstInGetsFounder) { - if (user->Extend("cm_founder_"+std::string(channel->name),dummyvalue)) + if (Srv->CountUsers(channel) == 1) { - Srv->Log(DEBUG,"Marked user "+std::string(user->nick)+" as founder for "+std::string(channel->name)); + // we're using Extensible::Extend to add data into user objects. + // this way is best as it adds data thats accessible to other modules + // (so long as you document your code properly) without breaking anything + // because its encapsulated neatly in a map. + if (user->Extend("cm_founder_"+std::string(channel->name),dummyvalue)) + { + Srv->Log(DEBUG,"Marked user "+std::string(user->nick)+" as founder for "+std::string(channel->name)); + } } } } + virtual int OnAccessCheck(userrec* source,userrec* dest,chanrec* channel,int access_type) + { + // here we perform access checks, this is the important bit that actually stops kicking/deopping + // etc of protected users. There are many types of access check, we're going to handle + // a relatively small number of them relevent to our module using a switch statement. + + // don't allow action if: + // (A) Theyre founder (no matter what) + // (B) Theyre protected, and you're not + // always allow the action if: + // (A) The source is ulined + + + // firstly, if a ulined nick, or a server, is setting the mode, then allow them to set the mode + // without any access checks, we're not worthy :p + if ((Srv->IsUlined(source->nick)) || (Srv->IsUlined(source->server)) || (!strcmp(source->server,""))) + { + return ACR_ALLOW; + } + + switch (access_type) + { + // a user has been deopped. Do we let them? hmmm... + case AC_DEOP: + if (dest->GetExt("cm_founder_"+std::string(channel->name))) + { + Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as the're a channel founder"); + return ACR_DENY; + } + if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name)))) + { + Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as the're protected (+a)"); + return ACR_DENY; + } + break; + + // a user is being kicked. do we chop off the end of the army boot? + case AC_KICK: + if (dest->GetExt("cm_founder_"+std::string(channel->name))) + { + Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as the're a channel founder"); + return ACR_DENY; + } + if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name)))) + { + Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as the're protected (+a)"); + return ACR_DENY; + } + break; + + // a user is being dehalfopped. Yes, we do disallow -h of a +ha user + case AC_DEHALFOP: + if (dest->GetExt("cm_founder_"+std::string(channel->name))) + { + Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as the're a channel founder"); + return ACR_DENY; + } + if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name)))) + { + Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as the're protected (+a)"); + return ACR_DENY; + } + break; + + // same with devoice. + case AC_DEVOICE: + if (dest->GetExt("cm_founder_"+std::string(channel->name))) + { + Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as the're a channel founder"); + return ACR_DENY; + } + if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name)))) + { + Srv->SendServ(source->fd,"484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as the're protected (+a)"); + return ACR_DENY; + } + break; + } + + // we dont know what this access check is, or dont care. just carry on, nothing to see here. + return ACR_DEFAULT; + } + virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms) { // not out mode, bail @@ -53,6 +164,7 @@ class ModuleChanProtect : public Module if (!Srv->IsOnChannel(theuser,chan)) return -1; + // source is a server, or ulined, we'll let them +-q the user. if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(user->server)) || (!strcmp(user->server,""))) { if (mode_on) @@ -76,7 +188,8 @@ class ModuleChanProtect : public Module } else { - WriteServ(user->fd,"482 %s %s :Only servers may set channel mode +q",user->nick, chan->name); + // whoops, someones being naughty! + WriteServ(user->fd,"468 %s %s :Only servers may set channel mode +q",user->nick, chan->name); return -1; } } @@ -93,12 +206,13 @@ class ModuleChanProtect : public Module // given user isnt even on the channel, eat the mode change if (!Srv->IsOnChannel(theuser,chan)) return -1; - + + // source has +q, is a server, or ulined, we'll let them +-a the user. if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(user->server)) || (!strcmp(user->server,"")) || (user->GetExt("cm_founder_"+std::string(chan->name)))) { if (mode_on) { - if (!theuser->GetExt("cm_founder_"+std::string(chan->name))) + if (!theuser->GetExt("cm_protect_"+std::string(chan->name))) { theuser->Extend("cm_protect_"+std::string(chan->name),dummyvalue); return 1; @@ -106,7 +220,7 @@ class ModuleChanProtect : public Module } else { - if (theuser->GetExt("cm_founder_"+std::string(chan->name))) + if (theuser->GetExt("cm_protect_"+std::string(chan->name))) { theuser->Shrink("cm_protect_"+std::string(chan->name)); return 1; @@ -117,6 +231,7 @@ class ModuleChanProtect : public Module } else { + // bzzzt, wrong answer! WriteServ(user->fd,"482 %s %s :You are not a channel founder",user->nick, chan->name); return -1; } @@ -126,6 +241,7 @@ class ModuleChanProtect : public Module virtual ~ModuleChanProtect() { + delete Conf; delete Srv; } @@ -134,8 +250,25 @@ class ModuleChanProtect : public Module return Version(1,0,0,0); } - virtual void OnUserConnect(userrec* user) + virtual string_list OnChannelSync(chanrec* chan) { + // this is called when the server is linking into a net and wants to sync channel data. + // we should send our mode changes for the channel here to ensure that other servers + // know whos +q/+a on the channel. + chanuserlist cl = Srv->GetUsers(chan); + string_list commands; + for (int i = 0; i < cl.size(); i++) + { + if (cl[i]->GetExt("cm_founder_"+std::string(chan->name))) + { + commands.push_back("M "+std::string(chan->name)+" +q "+std::string(cl[i]->nick)); + } + if (cl[i]->GetExt("cm_protect_"+std::string(chan->name))) + { + commands.push_back("M "+std::string(chan->name)+" +a "+std::string(cl[i]->nick)); + } + } + return commands; } };