X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_chanprotect.cpp;h=2f384f0012d8115ec92f228d66bd24b5b7d2c758;hb=b45e7cfebbeaad4ecc3c55bc3060140f50f710d3;hp=035658f8e8c2cc41e3fca391c119c35e3f85e708;hpb=ed98005ffd341ac265dada2057a8e313265dbb51;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_chanprotect.cpp b/src/modules/m_chanprotect.cpp index 035658f8e..2f384f001 100644 --- a/src/modules/m_chanprotect.cpp +++ b/src/modules/m_chanprotect.cpp @@ -2,94 +2,320 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * Inspire is copyright (C) 2002-2004 ChatSpike-Dev. - * E-mail: - * - * + * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. + * E-mail: + * + * * * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see - * the file COPYING for details. + * the file COPYING for details. * * --------------------------------------------------- */ -#include #include "users.h" #include "channels.h" #include "modules.h" +#include "inspircd.h" /* $ModDesc: Provides channel modes +a and +q */ -char dummyvalue[] = "on"; +#define PROTECT_VALUE 40000 +#define FOUNDER_VALUE 50000 + +const char* fakevalue = "on"; + +/* When this is set to true, no restrictions apply to setting or + * removal of +qa. This is used while unloading so that the server + * can freely clear all of its users of the modes. + */ +bool unload_kludge = false; + +/** Handles basic operation of +qa channel modes + */ +class FounderProtectBase +{ + private: + InspIRCd* MyInstance; + std::string extend; + std::string type; + int list; + int end; + char* dummyptr; + public: + FounderProtectBase(InspIRCd* Instance, const std::string &ext, const std::string &mtype, int l, int e) : MyInstance(Instance), extend(ext), type(mtype), list(l), end(e) + { + } + + ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter) + { + userrec* x = MyInstance->FindNick(parameter); + if (x) + { + if (!channel->HasUser(x)) + { + return std::make_pair(false, parameter); + } + else + { + std::string item = extend+std::string(channel->name); + if (x->GetExt(item,dummyptr)) + { + return std::make_pair(true, x->nick); + } + else + { + return std::make_pair(false, parameter); + } + } + } + return std::make_pair(false, parameter); + } + + void RemoveMode(chanrec* channel, char mc) + { + unload_kludge = true; + CUList* cl = channel->GetUsers(); + std::string item = extend+std::string(channel->name); + char moderemove[MAXBUF]; + userrec* n = new userrec(MyInstance); + n->SetFd(FD_MAGIC_NUMBER); + for (CUList::iterator i = cl->begin(); i != cl->end(); i++) + { + if (i->second->GetExt(item, dummyptr)) + { + sprintf(moderemove,"-%c",mc); + const char* parameters[] = { channel->name, moderemove, i->second->nick }; + MyInstance->SendMode(parameters, 3, n); + } + } + delete n; + unload_kludge = false; + } + + void DisplayList(userrec* user, chanrec* channel) + { + CUList* cl = channel->GetUsers(); + std::string item = extend+std::string(channel->name); + for (CUList::iterator i = cl->begin(); i != cl->end(); i++) + { + if (i->second->GetExt(item, dummyptr)) + { + user->WriteServ("%d %s %s %s", list, user->nick, channel->name,i->second->nick); + } + } + user->WriteServ("%d %s %s :End of channel %s list", end, user->nick, channel->name, type.c_str()); + } + + userrec* FindAndVerify(std::string ¶meter, chanrec* channel) + { + userrec* theuser = MyInstance->FindNick(parameter); + if ((!theuser) || (!channel->HasUser(theuser))) + { + parameter = ""; + return NULL; + } + return theuser; + } + + ModeAction HandleChange(userrec* source, userrec* theuser, bool adding, chanrec* channel, std::string ¶meter) + { + std::string item = extend+std::string(channel->name); + + if (adding) + { + if (!theuser->GetExt(item, dummyptr)) + { + theuser->Extend(item, fakevalue); + parameter = theuser->nick; + return MODEACTION_ALLOW; + } + } + else + { + if (theuser->GetExt(item, dummyptr)) + { + theuser->Shrink(item); + parameter = theuser->nick; + return MODEACTION_ALLOW; + } + } + return MODEACTION_DENY; + } +}; + +/** Abstraction of FounderProtectBase for channel mode +q + */ +class ChanFounder : public ModeHandler, public FounderProtectBase +{ + char* dummyptr; + public: + ChanFounder(InspIRCd* Instance, bool using_prefixes) + : ModeHandler(Instance, 'q', 1, 1, true, MODETYPE_CHANNEL, false, using_prefixes ? '~' : 0), + FounderProtectBase(Instance, "cm_founder_", "founder", 386, 387) { } + + unsigned int GetPrefixRank() + { + return FOUNDER_VALUE; + } + + ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter) + { + return FounderProtectBase::ModeSet(source, dest, channel, parameter); + } + + void RemoveMode(chanrec* channel) + { + FounderProtectBase::RemoveMode(channel, this->GetModeChar()); + } + + void RemoveMode(userrec* user) + { + } + + ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding) + { + userrec* theuser = FounderProtectBase::FindAndVerify(parameter, channel); + + if (!theuser) + { + return MODEACTION_DENY; + } + + // source is a server, or ulined, we'll let them +-q the user. + if ((unload_kludge) || (ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server) || (!IS_LOCAL(source))) + { + return FounderProtectBase::HandleChange(source, theuser, adding, channel, parameter); + } + else + { + // whoops, someones being naughty! + source->WriteServ("468 %s %s :Only servers may set channel mode +q",source->nick, channel->name); + parameter = ""; + return MODEACTION_DENY; + } + } + + void DisplayList(userrec* user, chanrec* channel) + { + FounderProtectBase::DisplayList(user,channel); + } +}; + +/** Abstraction of FounderProtectBase for channel mode +a + */ +class ChanProtect : public ModeHandler, public FounderProtectBase +{ + char* dummyptr; + public: + ChanProtect(InspIRCd* Instance, bool using_prefixes) + : ModeHandler(Instance, 'a', 1, 1, true, MODETYPE_CHANNEL, false, using_prefixes ? '&' : 0), + FounderProtectBase(Instance,"cm_protect_","protected user", 388, 389) { } + + unsigned int GetPrefixRank() + { + return PROTECT_VALUE; + } + + ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter) + { + return FounderProtectBase::ModeSet(source, dest, channel, parameter); + } + + void RemoveMode(chanrec* channel) + { + FounderProtectBase::RemoveMode(channel, this->GetModeChar()); + } + + void RemoveMode(userrec* user) + { + } + + ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding) + { + userrec* theuser = FounderProtectBase::FindAndVerify(parameter, channel); + + if (!theuser) + return MODEACTION_DENY; + + std::string founder = "cm_founder_"+std::string(channel->name); + + // source has +q, is a server, or ulined, we'll let them +-a the user. + if ((unload_kludge) || (ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server) || (source->GetExt(founder,dummyptr)) || (!IS_LOCAL(source))) + { + return FounderProtectBase::HandleChange(source, theuser, adding, channel, parameter); + } + else + { + // bzzzt, wrong answer! + source->WriteServ("482 %s %s :You are not a channel founder",source->nick, channel->name); + return MODEACTION_DENY; + } + } + + virtual void DisplayList(userrec* user, chanrec* channel) + { + FounderProtectBase::DisplayList(user, channel); + } + +}; class ModuleChanProtect : public Module { - Server *Srv; + bool FirstInGetsFounder; - ConfigReader *Conf; + bool QAPrefixes; + ChanProtect* cp; + ChanFounder* cf; + char* dummyptr; public: - ModuleChanProtect() + ModuleChanProtect(InspIRCd* Me) : Module::Module(Me) + { + /* Load config stuff */ + OnRehash(""); + + /* Initialise module variables */ + + cp = new ChanProtect(ServerInstance,QAPrefixes); + cf = new ChanFounder(ServerInstance,QAPrefixes); + + ServerInstance->AddMode(cp, 'a'); + ServerInstance->AddMode(cf, 'q'); + } + + void Implements(char* List) { - - // 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); + List[I_OnUserKick] = List[I_OnUserPart] = List[I_OnRehash] = List[I_OnUserJoin] = List[I_OnAccessCheck] = List[I_OnSyncChannel] = 1; } - - virtual void On005Numeric(std::string &output) - { - std::stringstream line(output); - std::string temp1, temp2; - while (!line.eof()) - { - line >> temp1; - if (temp1.substr(0,10) == "CHANMODES=") - { - // append the chanmode to the end - temp1 = temp1.substr(10,temp1.length()); - temp1 = "CHANMODES=qa" + temp1; - } - temp2 = temp2 + temp1 + " "; - } - if (temp2.length()) - output = temp2.substr(0,temp2.length()-1); - } - - virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, std::string reason) + + virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason) { // FIX: when someone gets kicked from a channel we must remove their Extensibles! user->Shrink("cm_founder_"+std::string(chan->name)); user->Shrink("cm_protect_"+std::string(chan->name)); } - virtual void OnUserPart(userrec* user, chanrec* channel) + virtual void OnUserPart(userrec* user, chanrec* channel, const std::string &partreason) { // FIX: when someone parts a channel we must remove their Extensibles! user->Shrink("cm_founder_"+std::string(channel->name)); user->Shrink("cm_protect_"+std::string(channel->name)); } - virtual void OnRehash() + virtual void OnRehash(const std::string ¶meter) { - // 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); + /* Create a configreader class and read our flag, + * in old versions this was heap-allocated and the + * object was kept between rehashes...now we just + * stack-allocate it locally. + */ + ConfigReader Conf(ServerInstance); + + FirstInGetsFounder = Conf.ReadFlag("options","noservices",0); + QAPrefixes = Conf.ReadFlag("options","qaprefixes",0); } virtual void OnUserJoin(userrec* user, chanrec* channel) @@ -98,15 +324,20 @@ class ModuleChanProtect : public Module // the config option for it is set if (FirstInGetsFounder) { - if (Srv->CountUsers(channel) == 1) + if (channel->GetUserCounter() == 1) { // 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)) + + // Change requested by katsklaw... when the first in is set to get founder, + // to make it clearer that +q has been given, send that one user the +q notice + // so that their client's syncronization and their sanity are left intact. + user->WriteServ("MODE %s +q %s",channel->name,user->nick); + if (user->Extend("cm_founder_"+std::string(channel->name),fakevalue)) { - Srv->Log(DEBUG,"Marked user "+std::string(user->nick)+" as founder for "+std::string(channel->name)); + ServerInstance->Log(DEBUG,"Marked user "+std::string(user->nick)+" as founder for "+std::string(channel->name)); } } } @@ -118,6 +349,7 @@ class ModuleChanProtect : public Module // 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. + ServerInstance->Log(DEBUG,"chanprotect OnAccessCheck %d",access_type); // don't allow action if: // (A) Theyre founder (no matter what) // (B) Theyre protected, and you're not @@ -127,225 +359,119 @@ class ModuleChanProtect : public Module // 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,""))) + if ((ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server)) { + ServerInstance->Log(DEBUG,"chanprotect OnAccessCheck returns ALLOW"); return ACR_ALLOW; } + std::string founder = "cm_founder_"+std::string(channel->name); + std::string protect = "cm_protect_"+std::string(channel->name); + 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))) + ServerInstance->Log(DEBUG,"OnAccessCheck AC_DEOP"); + if (dest->GetExt(founder,dummyptr)) { - 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"); + ServerInstance->Log(DEBUG,"Has %s",founder.c_str()); + source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as they're a channel founder"); return ACR_DENY; } - if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name)))) + else { - 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)"); + ServerInstance->Log(DEBUG,"Doesnt have %s",founder.c_str()); + } + if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr))) + { + source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as they'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))) + ServerInstance->Log(DEBUG,"OnAccessCheck AC_KICK"); + if (dest->GetExt(founder,dummyptr)) { - 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"); + source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as they're a channel founder"); return ACR_DENY; } - if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name)))) + if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr))) { - 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)"); + source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as they'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))) + if (dest->GetExt(founder,dummyptr)) { - 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"); + source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as they're a channel founder"); return ACR_DENY; } - if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name)))) + if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr))) { - 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)"); + source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as they're protected (+a)"); return ACR_DENY; } break; // same with devoice. case AC_DEVOICE: - if (dest->GetExt("cm_founder_"+std::string(channel->name))) + if (dest->GetExt(founder,dummyptr)) { - 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"); + source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as they're a channel founder"); return ACR_DENY; } - if ((dest->GetExt("cm_protect_"+std::string(channel->name))) && (!source->GetExt("cm_protect_"+std::string(channel->name)))) + if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr))) { - 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)"); + source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as they'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. + ServerInstance->Log(DEBUG,"chanprotect OnAccessCheck returns DEFAULT"); return ACR_DEFAULT; } - virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms) - { - // not out mode, bail - if ((modechar == 'q') && (type == MT_CHANNEL)) - { - // set up parameters - chanrec* chan = (chanrec*)target; - userrec* theuser = Srv->FindNick(params[0]); - - // cant find the user given as the parameter, eat the mode change. - if (!theuser) - return -1; - - // given user isnt even on the channel, eat the mode change - 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) - { - if (!theuser->GetExt("cm_founder_"+std::string(chan->name))) - { - theuser->Extend("cm_founder_"+std::string(chan->name),dummyvalue); - return 1; - } - } - else - { - if (theuser->GetExt("cm_founder_"+std::string(chan->name))) - { - theuser->Shrink("cm_founder_"+std::string(chan->name)); - return 1; - } - } - - return -1; - } - else - { - // whoops, someones being naughty! - WriteServ(user->fd,"468 %s %s :Only servers may set channel mode +q",user->nick, chan->name); - return -1; - } - } - if ((modechar == 'a') && (type == MT_CHANNEL)) - { - // set up parameters - chanrec* chan = (chanrec*)target; - userrec* theuser = Srv->FindNick(params[0]); - - // cant find the user given as the parameter, eat the mode change. - if (!theuser) - return -1; - - // 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_protect_"+std::string(chan->name))) - { - theuser->Extend("cm_protect_"+std::string(chan->name),dummyvalue); - return 1; - } - } - else - { - if (theuser->GetExt("cm_protect_"+std::string(chan->name))) - { - theuser->Shrink("cm_protect_"+std::string(chan->name)); - return 1; - } - } - - return -1; - } - else - { - // bzzzt, wrong answer! - WriteServ(user->fd,"482 %s %s :You are not a channel founder",user->nick, chan->name); - return -1; - } - } - return 0; - } - - virtual void OnSendList(userrec* user, chanrec* channel, char mode) - { - if (mode == 'q') - { - chanuserlist cl = Srv->GetUsers(channel); - for (int i = 0; i < cl.size(); i++) - { - if (cl[i]->GetExt("cm_founder_"+std::string(channel->name))) - { - WriteServ(user->fd,"386 %s %s %s",user->nick, channel->name,cl[i]->nick); - } - } - WriteServ(user->fd,"387 %s %s :End of channel founder list",user->nick, channel->name); - } - if (mode == 'a') - { - chanuserlist cl = Srv->GetUsers(channel); - for (int i = 0; i < cl.size(); i++) - { - if (cl[i]->GetExt("cm_protect_"+std::string(channel->name))) - { - WriteServ(user->fd,"388 %s %s %s",user->nick, channel->name,cl[i]->nick); - } - } - WriteServ(user->fd,"389 %s %s :End of channel protected user list",user->nick, channel->name); - } - - } - virtual ~ModuleChanProtect() { - delete Conf; - delete Srv; + ServerInstance->Modes->DelMode(cp); + ServerInstance->Modes->DelMode(cf); + DELETE(cp); + DELETE(cf); } virtual Version GetVersion() { - return Version(1,0,0,0,VF_STATIC|VF_VENDOR); + return Version(1, 0, 0, 0, VF_COMMON | VF_VENDOR); } - virtual string_list OnChannelSync(chanrec* chan) + virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque) { // 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); + CUList* cl = chan->GetUsers(); string_list commands; - for (int i = 0; i < cl.size(); i++) + std::string founder = "cm_founder_"+std::string(chan->name); + std::string protect = "cm_protect_"+std::string(chan->name); + for (CUList::iterator i = cl->begin(); i != cl->end(); i++) { - if (cl[i]->GetExt("cm_founder_"+std::string(chan->name))) + if (i->second->GetExt(founder,dummyptr)) { - commands.push_back("M "+std::string(chan->name)+" +q "+std::string(cl[i]->nick)); + proto->ProtoSendMode(opaque,TYPE_CHANNEL,chan,"+q "+std::string(i->second->nick)); } - if (cl[i]->GetExt("cm_protect_"+std::string(chan->name))) + if (i->second->GetExt(protect,dummyptr)) { - commands.push_back("M "+std::string(chan->name)+" +a "+std::string(cl[i]->nick)); + proto->ProtoSendMode(opaque,TYPE_CHANNEL,chan,"+a "+std::string(i->second->nick)); } } - return commands; } }; @@ -362,9 +488,9 @@ class ModuleChanProtectFactory : public ModuleFactory { } - virtual Module * CreateModule() + virtual Module * CreateModule(InspIRCd* Me) { - return new ModuleChanProtect; + return new ModuleChanProtect(Me); } }; @@ -374,4 +500,3 @@ extern "C" void * init_module( void ) { return new ModuleChanProtectFactory; } -