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/* $NetBSD: geoip.c,v 1.1.1.3 2014/12/10 03:34:24 christos Exp $ */
/*
* 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.
*/
/*! \file */
#include <config.h>
#include <isc/util.h>
#include <named/log.h>
#include <named/geoip.h>
#include <dns/geoip.h>
#ifdef HAVE_GEOIP
static dns_geoip_databases_t geoip_table = {
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
static void
init_geoip_db(GeoIP **dbp, GeoIPDBTypes edition, GeoIPDBTypes fallback,
GeoIPOptions method, const char *name)
{
char *info;
GeoIP *db;
REQUIRE(dbp != NULL);
db = *dbp;
if (db != NULL) {
GeoIP_delete(db);
db = *dbp = NULL;
}
if (! GeoIP_db_avail(edition)) {
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
NS_LOGMODULE_SERVER, ISC_LOG_INFO,
"GeoIP %s (type %d) DB not available", name, edition);
goto fail;
}
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
NS_LOGMODULE_SERVER, ISC_LOG_INFO,
"initializing GeoIP %s (type %d) DB", name, edition);
db = GeoIP_open_type(edition, method);
if (db == NULL) {
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
NS_LOGMODULE_SERVER, ISC_LOG_ERROR,
"failed to initialize GeoIP %s (type %d) DB%s",
name, edition, fallback == 0
? "geoip matches using this database will fail" : "");
goto fail;
}
info = GeoIP_database_info(db);
if (info != NULL)
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
NS_LOGMODULE_SERVER, ISC_LOG_INFO,
"%s", info);
*dbp = db;
return;
fail:
if (fallback != 0)
init_geoip_db(dbp, fallback, 0, method, name);
}
#endif /* HAVE_GEOIP */
void
ns_geoip_init(void) {
#ifndef HAVE_GEOIP
return;
#else
GeoIP_cleanup();
if (ns_g_geoip == NULL)
ns_g_geoip = &geoip_table;
#endif
}
void
ns_geoip_load(char *dir) {
#ifndef HAVE_GEOIP
UNUSED(dir);
return;
#else
GeoIPOptions method;
#ifdef _WIN32
method = GEOIP_STANDARD;
#else
method = GEOIP_MMAP_CACHE;
#endif
ns_geoip_init();
if (dir != NULL) {
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
NS_LOGMODULE_SERVER, ISC_LOG_INFO,
"using \"%s\" as GeoIP directory", dir);
GeoIP_setup_custom_directory(dir);
}
init_geoip_db(&ns_g_geoip->country_v4, GEOIP_COUNTRY_EDITION, 0,
method, "Country (IPv4)");
#ifdef HAVE_GEOIP_V6
init_geoip_db(&ns_g_geoip->country_v6, GEOIP_COUNTRY_EDITION_V6, 0,
method, "Country (IPv6)");
#endif
init_geoip_db(&ns_g_geoip->city_v4, GEOIP_CITY_EDITION_REV1,
GEOIP_CITY_EDITION_REV0, method, "City (IPv4)");
#if defined(HAVE_GEOIP_V6) && defined(HAVE_GEOIP_CITY_V6)
init_geoip_db(&ns_g_geoip->city_v6, GEOIP_CITY_EDITION_REV1_V6,
GEOIP_CITY_EDITION_REV0_V6, method, "City (IPv6)");
#endif
init_geoip_db(&ns_g_geoip->region, GEOIP_REGION_EDITION_REV1,
GEOIP_REGION_EDITION_REV0, method, "Region");
init_geoip_db(&ns_g_geoip->isp, GEOIP_ISP_EDITION, 0,
method, "ISP");
init_geoip_db(&ns_g_geoip->org, GEOIP_ORG_EDITION, 0,
method, "Org");
init_geoip_db(&ns_g_geoip->as, GEOIP_ASNUM_EDITION, 0,
method, "AS");
init_geoip_db(&ns_g_geoip->domain, GEOIP_DOMAIN_EDITION, 0,
method, "Domain");
init_geoip_db(&ns_g_geoip->netspeed, GEOIP_NETSPEED_EDITION, 0,
method, "NetSpeed");
#endif /* HAVE_GEOIP */
}
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