X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_denychans.cpp;h=6378ba2733c75b0f2aa23e283d31ec0896fd3a44;hb=f3d80041f68417cc10d8e7575659468b30009f22;hp=d09e04766b19cfd0214f122326e47e80d492fc9e;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/modules/m_denychans.cpp b/src/modules/m_denychans.cpp
index d09e04766..6378ba273 100644
--- a/src/modules/m_denychans.cpp
+++ b/src/modules/m_denychans.cpp
@@ -1 +1,131 @@
-/*       +------------------------------------+
 *       | 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"
#include "hashcomp.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);
	}
	
	virtual void OnRehash(userrec* user, const std::string &param)
	{
		DELETE(Conf);
		Conf = new ConfigReader(ServerInstance);
	}

	virtual ~ModuleDenyChannels()
	{
		DELETE(Conf);
	}
	
	virtual Version GetVersion()
	{
		return Version(1,1,0,1,VF_VENDOR,API_VERSION);
	}

	void Implements(char* List)
	{
		List[I_OnUserPreJoin] = List[I_OnRehash] = 1;
	}

	virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname, std::string &privs)
	{
		for (int j =0; j < Conf->Enumerate("badchan"); j++)
		{
			if (match(cname, Conf->ReadValue("badchan","name",j).c_str()))
			{
				if (IS_OPER(user) && Conf->ReadFlag("badchan","allowopers",j))
				{
					return 0;
				}
				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;
				}
			}
		}
		return 0;
	}
};

MODULE_INIT(ModuleDenyChannels)
\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   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 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"
+
+class ModuleDenyChannels : public Module
+{
+	ChanModeReference redirectmode;
+
+ public:
+	ModuleDenyChannels()
+		: redirectmode(this, "redirect")
+	{
+	}
+
+	void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
+	{
+		/* 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))
+				{
+					if (status.srcuser)
+						status.srcuser->WriteNotice("Invalid badchan redirect '" + redirect + "'");
+					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 (status.srcuser)
+								status.srcuser->WriteNotice("Badchan " + name + " redirects to badchan " + redirect);
+							throw ModuleException("Badchan redirect loop");
+						}
+					}
+				}
+			}
+		}
+	}
+
+	Version GetVersion() CXX11_OVERRIDE
+	{
+		return Version("Implements config tags which allow blocking of joins to channels", VF_VENDOR);
+	}
+
+
+	ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
+	{
+		ConfigTagList tags = ServerInstance->Config->ConfTags("badchan");
+		for (ConfigIter j = tags.first; j != tags.second; ++j)
+		{
+			if (InspIRCd::Match(cname, j->second->getString("name")))
+			{
+				if (user->IsOper() && j->second->getBool("allowopers"))
+				{
+					return MOD_RES_PASSTHRU;
+				}
+				else
+				{
+					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))
+					{
+						/* simple way to avoid potential loops: don't redirect to +L channels */
+						Channel *newchan = ServerInstance->FindChan(redirect);
+						if ((!newchan) || (!newchan->IsModeSet(redirectmode)))
+						{
+							user->WriteNumeric(926, "%s :Channel %s is forbidden, redirecting to %s: %s", cname.c_str(),cname.c_str(),redirect.c_str(), reason.c_str());
+							Channel::JoinUser(user, redirect);
+							return MOD_RES_DENY;
+						}
+					}
+
+					user->WriteNumeric(926, "%s :Channel %s is forbidden: %s", cname.c_str(),cname.c_str(),reason.c_str());
+					return MOD_RES_DENY;
+				}
+			}
+		}
+		return MOD_RES_PASSTHRU;
+	}
+};
+
+MODULE_INIT(ModuleDenyChannels)