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path: root/src/modules/extra/m_geoip.cpp
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/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2010 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 "xline.h"

#include <GeoIP.h>

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

class ModuleGeoIP : public Module
{
	GeoIP * gi;

	bool banunknown;

	std::map<std::string, std::string> GeoBans;


 public:
	ModuleGeoIP() 	{
		OnRehash(NULL);
		Implementation eventlist[] = { I_OnRehash, I_OnUserRegister };
		ServerInstance->Modules->Attach(eventlist, this, 2);

		gi = GeoIP_new(GEOIP_STANDARD);
	}

	virtual ~ModuleGeoIP()
	{
	}

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

	virtual void OnRehash(User* user)
	{
		GeoBans.clear();

		ConfigReader conf;

		banunknown = conf.ReadFlag("geoip", "banunknown", 0);

		for (int i = 0; i < conf.Enumerate("geoban"); ++i)
		{
			std::string countrycode = conf.ReadValue("geoban", "country", i);
			std::string reason = conf.ReadValue("geoban", "reason", i);
			GeoBans[countrycode] = reason;
		}
	}

	virtual ModResult OnUserRegister(LocalUser* user)
	{
		const char* c = GeoIP_country_code_by_addr(gi, user->GetIPString());
		if (c)
		{
			std::map<std::string, std::string>::iterator x = GeoBans.find(c);
			if (x != GeoBans.end())
				ServerInstance->Users->QuitUser(user,  x->second);
		}
		else
		{
			if (banunknown)
				ServerInstance->Users->QuitUser(user, "Could not identify your country of origin. Access denied.");
		}
		return MOD_RES_PASSTHRU;
	}
};

MODULE_INIT(ModuleGeoIP)