]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_denychans.cpp
Fix dccallow to work with files with spaces in their names
[user/henk/code/inspircd.git] / src / modules / m_denychans.cpp
index 1c57cfdd167ed69795def6ed69f4178d86ba54eb..39d9e0d34024103fc7caad894f8d295a59a592e7 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2005 Craig Edwards <craigedwards@brainbox.cc>
  *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ * 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 <http://www.gnu.org/licenses/>.
  */
 
+
 #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)
+       void init()
        {
-               
-               Conf = new ConfigReader(ServerInstance);
                Implementation eventlist[] = { I_OnUserPreJoin, I_OnRehash };
-               ServerInstance->Modules->Attach(eventlist, this, 2);
+               ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
        }
-       
-       virtual void OnRehash(User* user, const std::string &param)
+
+       virtual void OnRehash(User* user)
        {
-               delete Conf;
-               Conf = new ConfigReader(ServerInstance);
+               /* check for redirect validity and loops/chains */
+               ConfigTagList tags = ServerInstance->Config->ConfTags("badchan");
+               for (ConfigIter i = tags.first; i != tags.second; ++i)
+               {
+                       std::string name = i->second->getString("name");
+                       std::string redirect = i->second->getString("redirect");
+
+                       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 (ConfigIter j = tags.first; j != tags.second; ++j)
+                               {
+                                       if (InspIRCd::Match(redirect, j->second->getString("name")))
+                                       {
+                                               bool goodchan = false;
+                                               ConfigTagList goodchans = ServerInstance->Config->ConfTags("goodchan");
+                                               for (ConfigIter k = goodchans.first; k != goodchans.second; ++k)
+                                               {
+                                                       if (InspIRCd::Match(redirect, k->second->getString("name")))
+                                                               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++)
+               ConfigTagList tags = ServerInstance->Config->ConfTags("badchan");
+               for (ConfigIter j = tags.first; j != tags.second; ++j)
                {
-                       if (match(cname, Conf->ReadValue("badchan","name",j).c_str()))
+                       if (InspIRCd::Match(cname, j->second->getString("name")))
                        {
-                               if (IS_OPER(user) && Conf->ReadFlag("badchan","allowopers",j))
+                               if (IS_OPER(user) && j->second->getBool("allowopers"))
                                {
-                                       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 = j->second->getString("reason");
+                                       std::string redirect = j->second->getString("redirect");
+
+                                       ConfigTagList goodchans = ServerInstance->Config->ConfTags("goodchan");
+                                       for (ConfigIter i = goodchans.first; i != goodchans.second; ++i)
+                                       {
+                                               if (InspIRCd::Match(cname, i->second->getString("name")))
+                                               {
+                                                       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;
        }
 };