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-rw-r--r--bin/named/geoip.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/bin/named/geoip.c b/bin/named/geoip.c
new file mode 100644
index 0000000..5bc504e
--- /dev/null
+++ b/bin/named/geoip.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \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);
+ free(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 */
+}