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path: root/src/modules/extra/m_geoip.cpp
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/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2008 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"
#include "xline.h"

#include <GeoIP.h>

#ifdef WINDOWS
# pragma comment(lib, "GeoIP.lib")
#endif

/* $ModDesc: Provides a way to restrict users by country using GeoIP lookup */
/* $LinkerFlags: -lGeoIP */

class ModuleGeoIP : public Module
{
	LocalStringExt ext;
	GeoIP* gi;

 public:
	ModuleGeoIP() : ext("geoip_cc", this), gi(NULL)
	{
	}

	void init()
	{
		gi = GeoIP_new(GEOIP_STANDARD);
		if (gi == NULL)
				throw ModuleException("Unable to initialize geoip, are you missing GeoIP.dat?");

		ServerInstance->Modules->AddService(ext);
		Implementation eventlist[] = { I_OnSetConnectClass };
		ServerInstance->Modules->Attach(eventlist, this, 1);
	}

	~ModuleGeoIP()
	{
		GeoIP_delete(gi);
	}

	Version GetVersion()
	{
		return Version("Provides a way to assign users to connect classes by country using GeoIP lookup", VF_VENDOR);
	}

	ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass)
	{
		std::string* cc = ext.get(user);
		if (!cc)
		{
			const char* c = GeoIP_country_code_by_addr(gi, user->GetIPString());
			if (!c)
				c = "UNK";
			cc = new std::string(c);
			ext.set(user, cc);
		}
		std::string geoip = myclass->config->getString("geoip");
		if (geoip.empty())
			return MOD_RES_PASSTHRU;
		irc::commasepstream list(geoip);
		std::string country;
		while (list.GetToken(country))
			if (country == *cc)
				return MOD_RES_PASSTHRU;
		return MOD_RES_DENY;
	}
};

MODULE_INIT(ModuleGeoIP)