* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*/
#include "inspircd.h"
-#include "wildcard.h"
/* $ModDesc: Implements config tags which allow blocking of joins to channels */
class ModuleDenyChannels : public Module
{
- private:
-
-
- ConfigReader *Conf;
-
public:
- ModuleDenyChannels(InspIRCd* Me) : Module(Me)
- {
-
- Conf = new ConfigReader(ServerInstance);
+ ModuleDenyChannels() {
Implementation eventlist[] = { I_OnUserPreJoin, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, 2);
}
-
- virtual void OnRehash(User* user, const std::string ¶m)
+
+ virtual void OnRehash(User* user)
{
- delete Conf;
- Conf = new ConfigReader(ServerInstance);
+ ConfigReader Conf;
+ /* check for redirect validity and loops/chains */
+ for (int i =0; i < Conf.Enumerate("badchan"); i++)
+ {
+ std::string name = Conf.ReadValue("badchan","name",i);
+ std::string redirect = Conf.ReadValue("badchan","redirect",i);
+
+ if (!redirect.empty())
+ {
+
+ if (!ServerInstance->IsChannel(redirect.c_str(), ServerInstance->Config->Limits.ChanMax))
+ {
+ if (user)
+ user->WriteServ("NOTICE %s :Invalid badchan redirect '%s'", user->nick.c_str(), redirect.c_str());
+ throw ModuleException("Invalid badchan redirect, not a channel");
+ }
+
+ for (int j =0; j < Conf.Enumerate("badchan"); j++)
+ {
+ if (InspIRCd::Match(redirect, Conf.ReadValue("badchan","name",j)))
+ {
+ bool goodchan = false;
+ for (int k =0; k < Conf.Enumerate("goodchan"); k++)
+ {
+ if (InspIRCd::Match(redirect, Conf.ReadValue("goodchan","name",k)))
+ goodchan = true;
+ }
+
+ if (!goodchan)
+ {
+ /* <badchan:redirect> is a badchan */
+ if (user)
+ user->WriteServ("NOTICE %s :Badchan %s redirects to badchan %s", user->nick.c_str(), name.c_str(), redirect.c_str());
+ throw ModuleException("Badchan redirect loop");
+ }
+ }
+ }
+ }
+ }
}
virtual ~ModuleDenyChannels()
{
- delete Conf;
}
-
+
virtual Version GetVersion()
{
- return Version(1,1,0,1,VF_VENDOR,API_VERSION);
+ return Version("Implements config tags which allow blocking of joins to channels", VF_VENDOR);
}
- void Implements(char* List)
- {
- List[I_OnUserPreJoin] = List[I_OnRehash] = 1;
- }
- virtual int OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs)
+ virtual ModResult OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven)
{
- for (int j =0; j < Conf->Enumerate("badchan"); j++)
+ ConfigReader Conf;
+ for (int j =0; j < Conf.Enumerate("badchan"); j++)
{
- if (match(cname, Conf->ReadValue("badchan","name",j).c_str()))
+ if (InspIRCd::Match(cname, Conf.ReadValue("badchan","name",j)))
{
- if (IS_OPER(user) && Conf->ReadFlag("badchan","allowopers",j))
+ if (IS_OPER(user) && Conf.ReadFlag("badchan","allowopers",j))
{
- return 0;
+ return MOD_RES_PASSTHRU;
}
else
{
- std::string reason = Conf->ReadValue("badchan","reason",j);
- user->WriteServ("926 %s %s :Channel %s is forbidden: %s",user->nick,cname,cname,reason.c_str());
- return 1;
+ std::string reason = Conf.ReadValue("badchan","reason",j);
+ std::string redirect = Conf.ReadValue("badchan","redirect",j);
+
+ for (int i = 0; i < Conf.Enumerate("goodchan"); i++)
+ {
+ if (InspIRCd::Match(cname, Conf.ReadValue("goodchan", "name", i)))
+ {
+ return MOD_RES_PASSTHRU;
+ }
+ }
+
+ if (ServerInstance->IsChannel(redirect.c_str(), ServerInstance->Config->Limits.ChanMax))
+ {
+ /* simple way to avoid potential loops: don't redirect to +L channels */
+ Channel *newchan = ServerInstance->FindChan(redirect);
+ if ((!newchan) || (!(newchan->IsModeSet('L'))))
+ {
+ user->WriteNumeric(926, "%s %s :Channel %s is forbidden, redirecting to %s: %s",user->nick.c_str(),cname,cname,redirect.c_str(), reason.c_str());
+ Channel::JoinUser(user,redirect.c_str(),false,"",false,ServerInstance->Time());
+ return MOD_RES_DENY;
+ }
+ }
+
+ user->WriteNumeric(926, "%s %s :Channel %s is forbidden: %s",user->nick.c_str(),cname,cname,reason.c_str());
+ return MOD_RES_DENY;
}
}
}
- return 0;
+ return MOD_RES_PASSTHRU;
}
};