geoip.h

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/*
 * Copyright (C) 2013, 2014  Internet Systems Consortium, Inc. ("ISC")
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef DNS_GEOIP_H
#define DNS_GEOIP_H 1

/*****
 ***** Module Info
 *****/

/*! \file dns/acl.h
 * \brief
 * Address match list handling.
 */

/***
 *** Imports
 ***/

#include <isc/lang.h>
#include <isc/magic.h>
#include <isc/netaddr.h>
#include <isc/refcount.h>

#include <dns/name.h>
#include <dns/types.h>
#include <dns/iptable.h>

#ifdef HAVE_GEOIP
#include <GeoIP.h>
#else
typedef void GeoIP;
#endif

/***
 *** Types
 ***/

typedef enum {
        dns_geoip_countrycode,
        dns_geoip_countrycode3,
        dns_geoip_countryname,
        dns_geoip_region,
        dns_geoip_regionname,
        dns_geoip_country_code,
        dns_geoip_country_code3,
        dns_geoip_country_name,
        dns_geoip_region_countrycode,
        dns_geoip_region_code,
        dns_geoip_region_name,
        dns_geoip_city_countrycode,
        dns_geoip_city_countrycode3,
        dns_geoip_city_countryname,
        dns_geoip_city_region,
        dns_geoip_city_regionname,
        dns_geoip_city_name,
        dns_geoip_city_postalcode,
        dns_geoip_city_metrocode,
        dns_geoip_city_areacode,
        dns_geoip_city_continentcode,
        dns_geoip_city_timezonecode,
        dns_geoip_isp_name,
        dns_geoip_org_name,
        dns_geoip_as_asnum,
        dns_geoip_domain_name,
        dns_geoip_netspeed_id
} dns_geoip_subtype_t;

typedef struct dns_geoip_elem {
        dns_geoip_subtype_t subtype;
        GeoIP *db;
        union {
                char as_string[256];
                int as_int;
        };
} dns_geoip_elem_t;

typedef struct dns_geoip_databases {
        GeoIP *country_v4;                      /* DB 1        */
        GeoIP *city_v4;                         /* DB 2 or 6   */
        GeoIP *region;                          /* DB 3 or 7   */
        GeoIP *isp;                             /* DB 4        */
        GeoIP *org;                             /* DB 5        */
        GeoIP *as;                              /* DB 9        */
        GeoIP *netspeed;                        /* DB 10       */
        GeoIP *domain;                          /* DB 11       */
        GeoIP *country_v6;                      /* DB 12       */
        GeoIP *city_v6;                         /* DB 30 or 31 */
} dns_geoip_databases_t;

/***
 *** Functions
 ***/

ISC_LANG_BEGINDECLS

isc_boolean_t
dns_geoip_match(const isc_netaddr_t *reqaddr, isc_uint8_t *scope,
                const dns_geoip_databases_t *geoip,
                const dns_geoip_elem_t *elt);

void
dns_geoip_shutdown(void);

ISC_LANG_ENDDECLS
#endif /* DNS_GEOIP_H */

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