-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r\r/* $ModDesc: Provides channel modes +a and +q */\r/* $ModDep: ../../include/u_listmode.h */\r\r#define PROTECT_VALUE 40000\r#define FOUNDER_VALUE 50000\r\rconst char* fakevalue = "on";\r\r/* When this is set to true, no restrictions apply to setting or\r * removal of +qa. This is used while unloading so that the server\r * can freely clear all of its users of the modes.\r */\rbool unload_kludge = false;\r\r/** Handles basic operation of +qa channel modes\r */\rclass FounderProtectBase\r{\r private:\r InspIRCd* MyInstance;\r std::string extend;\r std::string type;\r int list;\r int end;\r char* dummyptr;\r protected:\r bool& remove_own_privs;\r bool& remove_other_privs;\r public:\r FounderProtectBase(InspIRCd* Instance, const std::string &ext, const std::string &mtype, int l, int e, bool &remove_own, bool &remove_others) :\r MyInstance(Instance), extend(ext), type(mtype), list(l), end(e), remove_own_privs(remove_own), remove_other_privs(remove_others)\r {\r }\r\r ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)\r {\r userrec* x = MyInstance->FindNick(parameter);\r if (x)\r {\r if (!channel->HasUser(x))\r {\r return std::make_pair(false, parameter);\r }\r else\r {\r std::string item = extend+std::string(channel->name);\r if (x->GetExt(item,dummyptr))\r {\r return std::make_pair(true, x->nick);\r }\r else\r {\r return std::make_pair(false, parameter);\r }\r }\r }\r return std::make_pair(false, parameter);\r }\r\r void RemoveMode(chanrec* channel, char mc)\r {\r unload_kludge = true;\r CUList* cl = channel->GetUsers();\r std::string item = extend + std::string(channel->name);\r const char* mode_junk[MAXMODES+2];\r userrec* n = new userrec(MyInstance);\r n->SetFd(FD_MAGIC_NUMBER);\r mode_junk[0] = channel->name;\r irc::modestacker modestack(false);\r std::deque<std::string> stackresult; \r for (CUList::iterator i = cl->begin(); i != cl->end(); i++)\r {\r if (i->first->GetExt(item, dummyptr))\r {\r modestack.Push(mc, i->first->nick);\r }\r }\r\r while (modestack.GetStackedLine(stackresult))\r {\r for (size_t j = 0; j < stackresult.size(); j++)\r {\r mode_junk[j+1] = stackresult[j].c_str();\r }\r MyInstance->SendMode(mode_junk, stackresult.size() + 1, n);\r }\r \r delete n;\r unload_kludge = false;\r }\r\r void DisplayList(userrec* user, chanrec* channel)\r {\r CUList* cl = channel->GetUsers();\r std::string item = extend+std::string(channel->name);\r for (CUList::reverse_iterator i = cl->rbegin(); i != cl->rend(); ++i)\r {\r if (i->first->GetExt(item, dummyptr))\r {\r user->WriteServ("%d %s %s %s", list, user->nick, channel->name,i->first->nick);\r }\r }\r user->WriteServ("%d %s %s :End of channel %s list", end, user->nick, channel->name, type.c_str());\r }\r\r userrec* FindAndVerify(std::string ¶meter, chanrec* channel)\r {\r userrec* theuser = MyInstance->FindNick(parameter);\r if ((!theuser) || (!channel->HasUser(theuser)))\r {\r parameter.clear();\r return NULL;\r }\r return theuser;\r }\r\r bool CanRemoveOthers(userrec* u1, userrec* u2, chanrec* c)\r {\r std::string item = extend+std::string(c->name);\r return (u1->GetExt(item, dummyptr) && u2->GetExt(item, dummyptr));\r }\r\r ModeAction HandleChange(userrec* source, userrec* theuser, bool adding, chanrec* channel, std::string ¶meter)\r {\r std::string item = extend+std::string(channel->name);\r\r if (adding)\r {\r if (!theuser->GetExt(item, dummyptr))\r {\r theuser->Extend(item, fakevalue);\r parameter = theuser->nick;\r return MODEACTION_ALLOW;\r }\r }\r else\r {\r if (theuser->GetExt(item, dummyptr))\r {\r theuser->Shrink(item);\r parameter = theuser->nick;\r return MODEACTION_ALLOW;\r }\r }\r return MODEACTION_DENY;\r }\r};\r\r/** Abstraction of FounderProtectBase for channel mode +q\r */\rclass ChanFounder : public ModeHandler, public FounderProtectBase\r{\r char* dummyptr;\r public:\r ChanFounder(InspIRCd* Instance, bool using_prefixes, bool &depriv_self, bool &depriv_others)\r : ModeHandler(Instance, 'q', 1, 1, true, MODETYPE_CHANNEL, false, using_prefixes ? '~' : 0),\r FounderProtectBase(Instance, "cm_founder_", "founder", 386, 387, depriv_self, depriv_others) { }\r\r unsigned int GetPrefixRank()\r {\r return FOUNDER_VALUE;\r }\r\r ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)\r {\r return FounderProtectBase::ModeSet(source, dest, channel, parameter);\r }\r\r void RemoveMode(chanrec* channel)\r {\r FounderProtectBase::RemoveMode(channel, this->GetModeChar());\r }\r\r void RemoveMode(userrec* user)\r {\r }\r\r ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)\r {\r userrec* theuser = FounderProtectBase::FindAndVerify(parameter, channel);\r\r if (!theuser)\r {\r return MODEACTION_DENY;\r }\r\r if ((!adding) && FounderProtectBase::CanRemoveOthers(source, theuser, channel))\r {\r return FounderProtectBase::HandleChange(source, theuser, adding, channel, parameter);\r }\r // source is a server, or ulined, we'll let them +-q the user.\r if ((unload_kludge) || ((source == theuser) && (!adding) && (FounderProtectBase::remove_own_privs)) || (ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server) || (!IS_LOCAL(source)))\r {\r return FounderProtectBase::HandleChange(source, theuser, adding, channel, parameter);\r }\r else\r {\r // whoops, someones being naughty!\r source->WriteServ("468 %s %s :Only servers may set channel mode +q",source->nick, channel->name);\r parameter.clear();\r return MODEACTION_DENY;\r }\r }\r\r void DisplayList(userrec* user, chanrec* channel)\r {\r FounderProtectBase::DisplayList(user,channel);\r }\r};\r\r/** Abstraction of FounderProtectBase for channel mode +a\r */\rclass ChanProtect : public ModeHandler, public FounderProtectBase\r{\r char* dummyptr;\r public:\r ChanProtect(InspIRCd* Instance, bool using_prefixes, bool &depriv_self, bool &depriv_others)\r : ModeHandler(Instance, 'a', 1, 1, true, MODETYPE_CHANNEL, false, using_prefixes ? '&' : 0),\r FounderProtectBase(Instance,"cm_protect_","protected user", 388, 389, depriv_self, depriv_others) { }\r\r unsigned int GetPrefixRank()\r {\r return PROTECT_VALUE;\r }\r\r ModePair ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)\r {\r return FounderProtectBase::ModeSet(source, dest, channel, parameter);\r }\r\r void RemoveMode(chanrec* channel)\r {\r FounderProtectBase::RemoveMode(channel, this->GetModeChar());\r }\r\r void RemoveMode(userrec* user)\r {\r }\r\r ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)\r {\r userrec* theuser = FounderProtectBase::FindAndVerify(parameter, channel);\r\r if (!theuser)\r return MODEACTION_DENY;\r\r std::string founder = "cm_founder_"+std::string(channel->name);\r\r if ((!adding) && FounderProtectBase::CanRemoveOthers(source, theuser, channel))\r {\r return FounderProtectBase::HandleChange(source, theuser, adding, channel, parameter);\r }\r // source has +q, is a server, or ulined, we'll let them +-a the user.\r 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)))\r {\r return FounderProtectBase::HandleChange(source, theuser, adding, channel, parameter);\r }\r else\r {\r // bzzzt, wrong answer!\r source->WriteServ("482 %s %s :You are not a channel founder",source->nick, channel->name);\r return MODEACTION_DENY;\r }\r }\r\r virtual void DisplayList(userrec* user, chanrec* channel)\r {\r FounderProtectBase::DisplayList(user, channel);\r }\r\r};\r\rclass ModuleChanProtect : public Module\r{\r \r bool FirstInGetsFounder;\r bool QAPrefixes;\r bool DeprivSelf;\r bool DeprivOthers;\r bool booting;\r ChanProtect* cp;\r ChanFounder* cf;\r char* dummyptr;\r \r public:\r \r ModuleChanProtect(InspIRCd* Me)\r : Module(Me), FirstInGetsFounder(false), QAPrefixes(false), DeprivSelf(false), DeprivOthers(false), booting(true)\r { \r /* Load config stuff */\r OnRehash(NULL,"");\r booting = false;\r\r /* Initialise module variables */\r\r cp = new ChanProtect(ServerInstance,QAPrefixes,DeprivSelf,DeprivOthers);\r cf = new ChanFounder(ServerInstance,QAPrefixes,DeprivSelf,DeprivOthers);\r\r if (!ServerInstance->AddMode(cp, 'a') || !ServerInstance->AddMode(cf, 'q'))\r throw ModuleException("Could not add new modes!");\r }\r\r void Implements(char* List)\r {\r List[I_OnUserKick] = List[I_OnUserPart] = List[I_OnRehash] = List[I_OnUserJoin] = List[I_OnAccessCheck] = List[I_OnSyncChannel] = 1;\r }\r\r virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, const std::string &reason, bool &silent)\r {\r // FIX: when someone gets kicked from a channel we must remove their Extensibles!\r user->Shrink("cm_founder_"+std::string(chan->name));\r user->Shrink("cm_protect_"+std::string(chan->name));\r }\r\r virtual void OnUserPart(userrec* user, chanrec* channel, const std::string &partreason, bool &silent)\r {\r // FIX: when someone parts a channel we must remove their Extensibles!\r user->Shrink("cm_founder_"+std::string(channel->name));\r user->Shrink("cm_protect_"+std::string(channel->name));\r }\r\r virtual void OnRehash(userrec* user, const std::string ¶meter)\r {\r /* Create a configreader class and read our flag,\r * in old versions this was heap-allocated and the\r * object was kept between rehashes...now we just\r * stack-allocate it locally.\r */\r ConfigReader Conf(ServerInstance);\r\r bool old_qa = QAPrefixes;\r\r FirstInGetsFounder = Conf.ReadFlag("options","noservices",0);\r QAPrefixes = Conf.ReadFlag("options","qaprefixes",0);\r DeprivSelf = Conf.ReadFlag("options","deprotectself",0);\r DeprivOthers = Conf.ReadFlag("options","deprotectothers",0);\r\r /* Did the user change the QA prefixes on the fly?\r * If so, remove all instances of the mode, and reinit\r * the module with prefixes enabled.\r */\r if ((old_qa != QAPrefixes) && (!booting))\r {\r ServerInstance->Modes->DelMode(cp);\r ServerInstance->Modes->DelMode(cf);\r DELETE(cp);\r DELETE(cf);\r cp = new ChanProtect(ServerInstance,QAPrefixes,DeprivSelf,DeprivOthers);\r cf = new ChanFounder(ServerInstance,QAPrefixes,DeprivSelf,DeprivOthers);\r /* These wont fail, we already owned the mode characters before */\r ServerInstance->AddMode(cp, 'a');\r ServerInstance->AddMode(cf, 'q');\r ServerInstance->WriteOpers("*** WARNING: +qa prefixes were enabled or disabled via a REHASH. Clients will probably need to reconnect to pick up this change.");\r }\r }\r \r virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent)\r {\r // if the user is the first user into the channel, mark them as the founder, but only if\r // the config option for it is set\r if (FirstInGetsFounder)\r {\r if (channel->GetUserCounter() == 1)\r {\r // we're using Extensible::Extend to add data into user objects.\r // this way is best as it adds data thats accessible to other modules\r // (so long as you document your code properly) without breaking anything\r // because its encapsulated neatly in a map.\r\r // Change requested by katsklaw... when the first in is set to get founder,\r // to make it clearer that +q has been given, send that one user the +q notice\r // so that their client's syncronization and their sanity are left intact.\r user->WriteServ("MODE %s +q %s",channel->name,user->nick);\r user->Extend("cm_founder_"+std::string(channel->name),fakevalue);\r }\r }\r }\r \r virtual int OnAccessCheck(userrec* source,userrec* dest,chanrec* channel,int access_type)\r {\r // here we perform access checks, this is the important bit that actually stops kicking/deopping\r // etc of protected users. There are many types of access check, we're going to handle\r // a relatively small number of them relevent to our module using a switch statement.\r // don't allow action if:\r // (A) Theyre founder (no matter what)\r // (B) Theyre protected, and you're not\r // always allow the action if:\r // (A) The source is ulined\r \r \r // firstly, if a ulined nick, or a server, is setting the mode, then allow them to set the mode\r // without any access checks, we're not worthy :p\r if ((ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server))\r return ACR_ALLOW;\r\r std::string founder = "cm_founder_"+std::string(channel->name);\r std::string protect = "cm_protect_"+std::string(channel->name);\r\r switch (access_type)\r {\r // a user has been deopped. Do we let them? hmmm...\r case AC_DEOP:\r if (dest->GetExt(founder,dummyptr))\r {\r source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as they're a channel founder");\r return ACR_DENY;\r }\r if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr)))\r {\r source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't deop "+std::string(dest->nick)+" as they're protected (+a)");\r return ACR_DENY;\r }\r break;\r\r // a user is being kicked. do we chop off the end of the army boot?\r case AC_KICK:\r if (dest->GetExt(founder,dummyptr))\r {\r source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as they're a channel founder");\r return ACR_DENY;\r }\r if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr)))\r {\r source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't kick "+std::string(dest->nick)+" as they're protected (+a)");\r return ACR_DENY;\r }\r break;\r\r // a user is being dehalfopped. Yes, we do disallow -h of a +ha user\r case AC_DEHALFOP:\r if (dest->GetExt(founder,dummyptr))\r {\r 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");\r return ACR_DENY;\r }\r if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr)))\r {\r source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't de-halfop "+std::string(dest->nick)+" as they're protected (+a)");\r return ACR_DENY;\r }\r break;\r\r // same with devoice.\r case AC_DEVOICE:\r if (dest->GetExt(founder,dummyptr))\r {\r source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as they're a channel founder");\r return ACR_DENY;\r }\r if ((dest->GetExt(protect,dummyptr)) && (!source->GetExt(protect,dummyptr)))\r {\r source->WriteServ("484 "+std::string(source->nick)+" "+std::string(channel->name)+" :Can't devoice "+std::string(dest->nick)+" as they're protected (+a)");\r return ACR_DENY;\r }\r break;\r }\r \r // we dont know what this access check is, or dont care. just carry on, nothing to see here.\r return ACR_DEFAULT;\r }\r \r virtual ~ModuleChanProtect()\r {\r ServerInstance->Modes->DelMode(cp);\r ServerInstance->Modes->DelMode(cf);\r DELETE(cp);\r DELETE(cf);\r }\r \r virtual Version GetVersion()\r {\r return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);\r }\r \r virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque)\r {\r /* NOTE: If +qa prefix is on, this is propogated by the channel join,\r * so we dont need to propogate it manually\r */\r if (!QAPrefixes)\r {\r // this is called when the server is linking into a net and wants to sync channel data.\r // we should send our mode changes for the channel here to ensure that other servers\r // know whos +q/+a on the channel.\r CUList* cl = chan->GetUsers();\r string_list commands;\r std::string founder = "cm_founder_"+std::string(chan->name);\r std::string protect = "cm_protect_"+std::string(chan->name);\r irc::modestacker modestack(true);\r std::deque<std::string> stackresult;\r for (CUList::iterator i = cl->begin(); i != cl->end(); i++)\r {\r if (i->first->GetExt(founder,dummyptr))\r {\r modestack.Push('q',i->first->nick);\r }\r if (i->first->GetExt(protect,dummyptr))\r {\r modestack.Push('a',i->first->nick);\r }\r }\r while (modestack.GetStackedLine(stackresult))\r {\r irc::stringjoiner mode_join(" ", stackresult, 0, stackresult.size() - 1);\r std::string line = mode_join.GetJoined();\r proto->ProtoSendMode(opaque,TYPE_CHANNEL,chan, line);\r }\r }\r }\r\r};\r\rMODULE_INIT(ModuleChanProtect)\r
\ No newline at end of file
+/* +------------------------------------+
+ * | 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<std::string> 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<std::string> 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)
projects / user / henk / code / inspircd.git / blobdiff