X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_chanprotect.cpp;h=affd0c8d674324649a674af542da9834a85ccf2f;hb=fc4fc43ec232407b38d7ca182cb92c5cac4287aa;hp=74640fe524a5e108dfa64f9ed69d4add58e463a8;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_chanprotect.cpp b/src/modules/m_chanprotect.cpp index 74640fe52..affd0c8d6 100644 --- a/src/modules/m_chanprotect.cpp +++ b/src/modules/m_chanprotect.cpp @@ -1 +1,308 @@ -/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * 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. * * --------------------------------------------------- */ #include "inspircd.h" #include "users.h" #include "channels.h" #include "modules.h" /* $ModDesc: Provides channel modes +a and +q */ /* $ModDep: ../../include/u_listmode.h */ #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; protected: bool& remove_own_privs; bool& remove_other_privs; public: FounderProtectBase(InspIRCd* Instance, const std::string &ext, const std::string &mtype, int l, int e, bool &remove_own, bool &remove_others) : MyInstance(Instance), extend(ext), type(mtype), list(l), end(e), remove_own_privs(remove_own), remove_other_privs(remove_others) { } 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); const char* mode_junk[MAXMODES+2]; userrec* n = new userrec(MyInstance); n->SetFd(FD_MAGIC_NUMBER); mode_junk[0] = channel->name; irc::modestacker modestack(false); std::deque stackresult; for (CUList::iterator i = cl->begin(); i != cl->end(); i++) { if (i->first->GetExt(item, dummyptr)) { modestack.Push(mc, i->first->nick); } } while (modestack.GetStackedLine(stackresult)) { for (size_t j = 0; j < stackresult.size(); j++) { mode_junk[j+1] = stackresult[j].c_str(); } MyInstance->SendMode(mode_junk, stackresult.size() + 1, 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::reverse_iterator i = cl->rbegin(); i != cl->rend(); ++i) { if (i->first->GetExt(item, dummyptr)) { user->WriteServ("%d %s %s %s", list, user->nick, channel->name,i->first->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.clear(); return NULL; } return theuser; } bool CanRemoveOthers(userrec* u1, userrec* u2, chanrec* c) { std::string item = extend+std::string(c->name); return (u1->GetExt(item, dummyptr) && u2->GetExt(item, dummyptr)); } 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, bool &depriv_self, bool &depriv_others) : ModeHandler(Instance, 'q', 1, 1, true, MODETYPE_CHANNEL, false, using_prefixes ? '~' : 0), FounderProtectBase(Instance, "cm_founder_", "founder", 386, 387, depriv_self, depriv_others) { } 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; } if ((!adding) && FounderProtectBase::CanRemoveOthers(source, theuser, channel)) { return FounderProtectBase::HandleChange(source, theuser, adding, channel, parameter); } // source is a server, or ulined, we'll let them +-q the user. if ((unload_kludge) || ((source == theuser) && (!adding) && (FounderProtectBase::remove_own_privs)) || (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.clear(); 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, bool &depriv_self, bool &depriv_others) : ModeHandler(Instance, 'a', 1, 1, true, MODETYPE_CHANNEL, false, using_prefixes ? '&' : 0), FounderProtectBase(Instance,"cm_protect_","protected user", 388, 389, depriv_self, depriv_others) { } 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); if ((!adding) && FounderProtectBase::CanRemoveOthers(source, theuser, channel)) { return FounderProtectBase::HandleChange(source, theuser, adding, channel, parameter); } // source has +q, is a server, or ulined, we'll let them +-a the user. if ((unload_kludge) || ((source == theuser) && (!adding) && (FounderProtectBase::remove_own_privs)) || (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 { bool FirstInGetsFounder; bool QAPrefixes; bool DeprivSelf; bool DeprivOthers; bool booting; ChanProtect* cp; ChanFounder* cf; char* dummyptr; public: ModuleChanProtect(InspIRCd* Me) : Module(Me), FirstInGetsFounder(false), QAPrefixes(false), DeprivSelf(false), DeprivOthers(false), booting(true) { /* Load config stuff */ OnRehash(NULL,""); booting = false; /* Initialise module variables */ cp = new ChanProtect(ServerInstance,QAPrefixes,DeprivSelf,DeprivOthers); cf = new ChanFounder(ServerInstance,QAPrefixes,DeprivSelf,DeprivOthers); if (!ServerInstance->AddMode(cp, 'a') || !ServerInstance->AddMode(cf, 'q')) throw ModuleException("Could not add new modes!"); } void Implements(char* List) { List[I_OnUserKick] = List[I_OnUserPart] = List[I_OnRehash] = List[I_OnUserJoin] = List[I_OnAccessCheck] = List[I_OnSyncChannel] = 1; } virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent) { // 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, const std::string &partreason, bool &silent) { // 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(userrec* user, const std::string ¶meter) { /* 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); bool old_qa = QAPrefixes; FirstInGetsFounder = Conf.ReadFlag("options","noservices",0); QAPrefixes = Conf.ReadFlag("options","qaprefixes",0); DeprivSelf = Conf.ReadFlag("options","deprotectself",0); DeprivOthers = Conf.ReadFlag("options","deprotectothers",0); /* Did the user change the QA prefixes on the fly? * If so, remove all instances of the mode, and reinit * the module with prefixes enabled. */ if ((old_qa != QAPrefixes) && (!booting)) { ServerInstance->Modes->DelMode(cp); ServerInstance->Modes->DelMode(cf); DELETE(cp); DELETE(cf); cp = new ChanProtect(ServerInstance,QAPrefixes,DeprivSelf,DeprivOthers); cf = new ChanFounder(ServerInstance,QAPrefixes,DeprivSelf,DeprivOthers); /* These wont fail, we already owned the mode characters before */ ServerInstance->AddMode(cp, 'a'); ServerInstance->AddMode(cf, 'q'); ServerInstance->WriteOpers("*** WARNING: +qa prefixes were enabled or disabled via a REHASH. Clients will probably need to reconnect to pick up this change."); } } virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent) { // 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 (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. // 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); user->Extend("cm_founder_"+std::string(channel->name),fakevalue); } } } 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 ((ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server)) 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(founder,dummyptr)) { 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(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(founder,dummyptr)) { 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(protect,dummyptr)) && (!source->GetExt(protect,dummyptr))) { 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(founder,dummyptr)) { 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(protect,dummyptr)) && (!source->GetExt(protect,dummyptr))) { 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(founder,dummyptr)) { 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(protect,dummyptr)) && (!source->GetExt(protect,dummyptr))) { 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. return ACR_DEFAULT; } virtual ~ModuleChanProtect() { ServerInstance->Modes->DelMode(cp); ServerInstance->Modes->DelMode(cf); DELETE(cp); DELETE(cf); } virtual Version GetVersion() { return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION); } virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque) { /* NOTE: If +qa prefix is on, this is propogated by the channel join, * so we dont need to propogate it manually */ if (!QAPrefixes) { // 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. CUList* cl = chan->GetUsers(); string_list commands; std::string founder = "cm_founder_"+std::string(chan->name); std::string protect = "cm_protect_"+std::string(chan->name); irc::modestacker modestack(true); std::deque stackresult; for (CUList::iterator i = cl->begin(); i != cl->end(); i++) { if (i->first->GetExt(founder,dummyptr)) { modestack.Push('q',i->first->nick); } if (i->first->GetExt(protect,dummyptr)) { modestack.Push('a',i->first->nick); } } while (modestack.GetStackedLine(stackresult)) { irc::stringjoiner mode_join(" ", stackresult, 0, stackresult.size() - 1); std::string line = mode_join.GetJoined(); proto->ProtoSendMode(opaque,TYPE_CHANNEL,chan, line); } } } }; MODULE_INIT(ModuleChanProtect) \ No newline at end of file +/* + * InspIRCd -- Internet Relay Chat Daemon + * + * Copyright (C) 2009 Daniel De Graaf + * Copyright (C) 2006-2009 Robin Burchell + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2008 Pippijn van Steenhoven + * Copyright (C) 2004-2008 Craig Edwards + * Copyright (C) 2007 John Brooks + * Copyright (C) 2007 Dennis Friis + * + * This file is part of InspIRCd. InspIRCd is free software: you can + * redistribute it and/or modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + + +#include "inspircd.h" + +/* $ModDesc: Provides channel modes +a and +q */ + +#define PROTECT_VALUE 40000 +#define FOUNDER_VALUE 50000 + +struct ChanProtectSettings +{ + bool DeprivSelf; + bool DeprivOthers; + bool FirstInGetsFounder; + bool booting; + ChanProtectSettings() : booting(true) {} +}; + +static ChanProtectSettings settings; + +/** Handles basic operation of +qa channel modes + */ +class FounderProtectBase +{ + private: + const std::string type; + const char mode; + const int list; + const int end; + public: + FounderProtectBase(char Mode, const std::string &mtype, int l, int e) : + type(mtype), mode(Mode), list(l), end(e) + { + } + + void RemoveMode(Channel* channel, irc::modestacker* stack) + { + const UserMembList* cl = channel->GetUsers(); + std::vector mode_junk; + mode_junk.push_back(channel->name); + irc::modestacker modestack(false); + std::deque stackresult; + + for (UserMembCIter i = cl->begin(); i != cl->end(); i++) + { + if (i->second->hasMode(mode)) + { + if (stack) + stack->Push(mode, i->first->nick); + else + modestack.Push(mode, i->first->nick); + } + } + + if (stack) + return; + + while (modestack.GetStackedLine(stackresult)) + { + mode_junk.insert(mode_junk.end(), stackresult.begin(), stackresult.end()); + ServerInstance->SendMode(mode_junk, ServerInstance->FakeClient); + mode_junk.erase(mode_junk.begin() + 1, mode_junk.end()); + } + } + + void DisplayList(User* user, Channel* channel) + { + const UserMembList* cl = channel->GetUsers(); + for (UserMembCIter i = cl->begin(); i != cl->end(); ++i) + { + if (i->second->hasMode(mode)) + { + user->WriteServ("%d %s %s %s", list, user->nick.c_str(), channel->name.c_str(), i->first->nick.c_str()); + } + } + user->WriteServ("%d %s %s :End of channel %s list", end, user->nick.c_str(), channel->name.c_str(), type.c_str()); + } + + bool CanRemoveOthers(User* u1, Channel* c) + { + Membership* m1 = c->GetUser(u1); + return (settings.DeprivOthers && m1 && m1->hasMode(mode)); + } +}; + +/** Abstraction of FounderProtectBase for channel mode +q + */ +class ChanFounder : public ModeHandler, public FounderProtectBase +{ + public: + ChanFounder(Module* Creator) + : ModeHandler(Creator, "founder", 'q', PARAM_ALWAYS, MODETYPE_CHANNEL), + FounderProtectBase('q', "founder", 386, 387) + { + ModeHandler::list = true; + levelrequired = FOUNDER_VALUE; + m_paramtype = TR_NICK; + } + + void setPrefix(int pfx) + { + prefix = pfx; + } + + unsigned int GetPrefixRank() + { + return FOUNDER_VALUE; + } + + void RemoveMode(Channel* channel, irc::modestacker* stack) + { + FounderProtectBase::RemoveMode(channel, stack); + } + + void RemoveMode(User* user, irc::modestacker* stack) + { + } + + ModResult AccessCheck(User* source, Channel* channel, std::string ¶meter, bool adding) + { + User* theuser = ServerInstance->FindNick(parameter); + // remove own privs? + if (source == theuser && !adding && settings.DeprivSelf) + return MOD_RES_ALLOW; + + if (!adding && FounderProtectBase::CanRemoveOthers(source, channel)) + { + return MOD_RES_PASSTHRU; + } + else + { + source->WriteNumeric(468, "%s %s :Only servers may set channel mode +q", source->nick.c_str(), channel->name.c_str()); + return MOD_RES_DENY; + } + } + + ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding) + { + return MODEACTION_ALLOW; + } + + void DisplayList(User* user, Channel* channel) + { + FounderProtectBase::DisplayList(user,channel); + } +}; + +/** Abstraction of FounderProtectBase for channel mode +a + */ +class ChanProtect : public ModeHandler, public FounderProtectBase +{ + public: + ChanProtect(Module* Creator) + : ModeHandler(Creator, "admin", 'a', PARAM_ALWAYS, MODETYPE_CHANNEL), + FounderProtectBase('a',"protected user", 388, 389) + { + ModeHandler::list = true; + levelrequired = PROTECT_VALUE; + m_paramtype = TR_NICK; + } + + void setPrefix(int pfx) + { + prefix = pfx; + } + + + unsigned int GetPrefixRank() + { + return PROTECT_VALUE; + } + + void RemoveMode(Channel* channel, irc::modestacker* stack) + { + FounderProtectBase::RemoveMode(channel, stack); + } + + void RemoveMode(User* user, irc::modestacker* stack) + { + } + + ModResult AccessCheck(User* source, Channel* channel, std::string ¶meter, bool adding) + { + User* theuser = ServerInstance->FindNick(parameter); + // source has +q + if (channel->GetPrefixValue(source) > PROTECT_VALUE) + return MOD_RES_ALLOW; + + // removing own privs? + if (source == theuser && !adding && settings.DeprivSelf) + return MOD_RES_ALLOW; + + if (!adding && FounderProtectBase::CanRemoveOthers(source, channel)) + { + return MOD_RES_PASSTHRU; + } + else + { + source->WriteNumeric(482, "%s %s :You are not a channel founder", source->nick.c_str(), channel->name.c_str()); + return MOD_RES_DENY; + } + } + + ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding) + { + return MODEACTION_ALLOW; + } + + void DisplayList(User* user, Channel* channel) + { + FounderProtectBase::DisplayList(user, channel); + } + +}; + +class ModuleChanProtect : public Module +{ + ChanProtect cp; + ChanFounder cf; + public: + ModuleChanProtect() : cp(this), cf(this) + { + } + + void init() + { + /* Load config stuff */ + LoadSettings(); + settings.booting = false; + + ServerInstance->Modules->AddService(cf); + ServerInstance->Modules->AddService(cp); + + Implementation eventlist[] = { I_OnUserPreJoin }; + ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation)); + } + + void LoadSettings() + { + ConfigTag* tag = ServerInstance->Config->ConfValue("chanprotect"); + + settings.FirstInGetsFounder = tag->getBool("noservices"); + + std::string qpre = tag->getString("qprefix"); + char QPrefix = qpre.empty() ? 0 : qpre[0]; + + std::string apre = tag->getString("aprefix"); + char APrefix = apre.empty() ? 0 : apre[0]; + + if ((APrefix && QPrefix) && APrefix == QPrefix) + throw ModuleException("What the smeg, why are both your +q and +a prefixes the same character?"); + + if (settings.booting) + { + if (APrefix && ServerInstance->Modes->FindPrefix(APrefix) && ServerInstance->Modes->FindPrefix(APrefix) != &cp) + throw ModuleException("Looks like the +a prefix you picked for m_chanprotect is already in use. Pick another."); + + if (QPrefix && ServerInstance->Modes->FindPrefix(QPrefix) && ServerInstance->Modes->FindPrefix(QPrefix) != &cf) + throw ModuleException("Looks like the +q prefix you picked for m_chanprotect is already in use. Pick another."); + + cp.setPrefix(APrefix); + cf.setPrefix(QPrefix); + } + settings.DeprivSelf = tag->getBool("deprotectself", true); + settings.DeprivOthers = tag->getBool("deprotectothers", true); + } + + ModResult OnUserPreJoin(User *user, Channel *chan, const char *cname, std::string &privs, const std::string &keygiven) + { + // 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 (settings.FirstInGetsFounder && !chan) + privs += 'q'; + + return MOD_RES_PASSTHRU; + } + + Version GetVersion() + { + return Version("Founder and Protect modes (+qa)", VF_VENDOR); + } +}; + +MODULE_INIT(ModuleChanProtect)