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home » brain » inspircd-cvs » inspircd » src » modules » extra

m_geoip.cpp

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/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2008 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 "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(InspIRCd *Me) : Module(Me)
        {
                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("$Id: m_geoip.cpp 10290 2008-08-25 20:35:36Z w00t $", VF_VENDOR, API_VERSION);
        }

        virtual void OnRehash(User* user, const std::string &parameter)
        {
                GeoBans.clear();

                ConfigReader conf(ServerInstance);

                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 int OnUserRegister(User* user)
        {
                /* only do lookups on local users */
                if (IS_LOCAL(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 0;
        }
};

MODULE_INIT(ModuleGeoIP)