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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* 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 https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#include <inttypes.h>
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <maxminddb.h>
#include <isc/dir.h>
#include <isc/print.h>
#include <isc/string.h>
#include <isc/types.h>
#include <isc/util.h>
#include <dns/geoip.h>
#include "geoip2.c"
#include <tests/dns.h>
static dns_geoip_databases_t geoip;
static MMDB_s geoip_country, geoip_city, geoip_as, geoip_isp, geoip_domain;
static void
load_geoip(const char *dir);
static void
close_geoip(void);
static int
setup_test(void **state) {
UNUSED(state);
/* Use databases from the geoip system test */
load_geoip(TEST_GEOIP_DATA);
return (0);
}
static int
teardown_test(void **state) {
UNUSED(state);
close_geoip();
return (0);
}
static MMDB_s *
open_geoip2(const char *dir, const char *dbfile, MMDB_s *mmdb) {
char pathbuf[PATH_MAX];
int ret;
snprintf(pathbuf, sizeof(pathbuf), "%s/%s", dir, dbfile);
ret = MMDB_open(pathbuf, MMDB_MODE_MMAP, mmdb);
if (ret == MMDB_SUCCESS) {
return (mmdb);
}
return (NULL);
}
static void
load_geoip(const char *dir) {
geoip.country = open_geoip2(dir, "GeoIP2-Country.mmdb", &geoip_country);
geoip.city = open_geoip2(dir, "GeoIP2-City.mmdb", &geoip_city);
geoip.as = open_geoip2(dir, "GeoLite2-ASN.mmdb", &geoip_as);
geoip.isp = open_geoip2(dir, "GeoIP2-ISP.mmdb", &geoip_isp);
geoip.domain = open_geoip2(dir, "GeoIP2-Domain.mmdb", &geoip_domain);
}
static void
close_geoip(void) {
MMDB_close(&geoip_country);
MMDB_close(&geoip_city);
MMDB_close(&geoip_as);
MMDB_close(&geoip_isp);
MMDB_close(&geoip_domain);
}
static bool
/* Check if an MMDB entry of a given subtype exists for the given IP */
entry_exists(dns_geoip_subtype_t subtype, const char *addr) {
struct in6_addr in6;
struct in_addr in4;
isc_netaddr_t na;
MMDB_s *db;
if (inet_pton(AF_INET6, addr, &in6) == 1) {
isc_netaddr_fromin6(&na, &in6);
} else if (inet_pton(AF_INET, addr, &in4) == 1) {
isc_netaddr_fromin(&na, &in4);
} else {
UNREACHABLE();
}
db = geoip2_database(&geoip, fix_subtype(&geoip, subtype));
return (db != NULL && get_entry_for(db, &na) != NULL);
}
/*
* Baseline test - check if get_entry_for() works as expected, i.e. that its
* return values are consistent with the contents of the test MMDBs found in
* bin/tests/system/geoip2/data/ (10.53.0.1 and fd92:7065:b8e:ffff::1 should be
* present in all databases, 192.0.2.128 should only be present in the country
* database, ::1 should be absent from all databases).
*/
ISC_RUN_TEST_IMPL(baseline) {
dns_geoip_subtype_t subtype;
UNUSED(state);
subtype = dns_geoip_city_name;
assert_true(entry_exists(subtype, "10.53.0.1"));
assert_false(entry_exists(subtype, "192.0.2.128"));
assert_true(entry_exists(subtype, "fd92:7065:b8e:ffff::1"));
assert_false(entry_exists(subtype, "::1"));
subtype = dns_geoip_country_name;
assert_true(entry_exists(subtype, "10.53.0.1"));
assert_true(entry_exists(subtype, "192.0.2.128"));
assert_true(entry_exists(subtype, "fd92:7065:b8e:ffff::1"));
assert_false(entry_exists(subtype, "::1"));
subtype = dns_geoip_domain_name;
assert_true(entry_exists(subtype, "10.53.0.1"));
assert_false(entry_exists(subtype, "192.0.2.128"));
assert_true(entry_exists(subtype, "fd92:7065:b8e:ffff::1"));
assert_false(entry_exists(subtype, "::1"));
subtype = dns_geoip_isp_name;
assert_true(entry_exists(subtype, "10.53.0.1"));
assert_false(entry_exists(subtype, "192.0.2.128"));
assert_true(entry_exists(subtype, "fd92:7065:b8e:ffff::1"));
assert_false(entry_exists(subtype, "::1"));
subtype = dns_geoip_as_asnum;
assert_true(entry_exists(subtype, "10.53.0.1"));
assert_false(entry_exists(subtype, "192.0.2.128"));
assert_true(entry_exists(subtype, "fd92:7065:b8e:ffff::1"));
assert_false(entry_exists(subtype, "::1"));
}
static bool
do_lookup_string(const char *addr, dns_geoip_subtype_t subtype,
const char *string) {
dns_geoip_elem_t elt;
struct in_addr in4;
isc_netaddr_t na;
int n;
n = inet_pton(AF_INET, addr, &in4);
assert_int_equal(n, 1);
isc_netaddr_fromin(&na, &in4);
elt.subtype = subtype;
strlcpy(elt.as_string, string, sizeof(elt.as_string));
return (dns_geoip_match(&na, &geoip, &elt));
}
static bool
do_lookup_string_v6(const char *addr, dns_geoip_subtype_t subtype,
const char *string) {
dns_geoip_elem_t elt;
struct in6_addr in6;
isc_netaddr_t na;
int n;
n = inet_pton(AF_INET6, addr, &in6);
assert_int_equal(n, 1);
isc_netaddr_fromin6(&na, &in6);
elt.subtype = subtype;
strlcpy(elt.as_string, string, sizeof(elt.as_string));
return (dns_geoip_match(&na, &geoip, &elt));
}
/* GeoIP country matching */
ISC_RUN_TEST_IMPL(country) {
bool match;
UNUSED(state);
if (geoip.country == NULL) {
skip();
}
match = do_lookup_string("10.53.0.1", dns_geoip_country_code, "AU");
assert_true(match);
match = do_lookup_string("10.53.0.1", dns_geoip_country_name,
"Australia");
assert_true(match);
match = do_lookup_string("192.0.2.128", dns_geoip_country_code, "O1");
assert_true(match);
match = do_lookup_string("192.0.2.128", dns_geoip_country_name,
"Other");
assert_true(match);
}
/* GeoIP country (ipv6) matching */
ISC_RUN_TEST_IMPL(country_v6) {
bool match;
UNUSED(state);
if (geoip.country == NULL) {
skip();
}
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_country_code, "AU");
assert_true(match);
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_country_name, "Australia");
assert_true(match);
}
/* GeoIP city (ipv4) matching */
ISC_RUN_TEST_IMPL(city) {
bool match;
UNUSED(state);
if (geoip.city == NULL) {
skip();
}
match = do_lookup_string("10.53.0.1", dns_geoip_city_continentcode,
"NA");
assert_true(match);
match = do_lookup_string("10.53.0.1", dns_geoip_city_countrycode, "US");
assert_true(match);
match = do_lookup_string("10.53.0.1", dns_geoip_city_countryname,
"United States");
assert_true(match);
match = do_lookup_string("10.53.0.1", dns_geoip_city_region, "CA");
assert_true(match);
match = do_lookup_string("10.53.0.1", dns_geoip_city_regionname,
"California");
assert_true(match);
match = do_lookup_string("10.53.0.1", dns_geoip_city_name,
"Redwood City");
assert_true(match);
match = do_lookup_string("10.53.0.1", dns_geoip_city_postalcode,
"94063");
assert_true(match);
}
/* GeoIP city (ipv6) matching */
ISC_RUN_TEST_IMPL(city_v6) {
bool match;
UNUSED(state);
if (geoip.city == NULL) {
skip();
}
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_city_continentcode, "NA");
assert_true(match);
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_city_countrycode, "US");
assert_true(match);
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_city_countryname,
"United States");
assert_true(match);
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_city_region, "CA");
assert_true(match);
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_city_regionname, "California");
assert_true(match);
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_city_name, "Redwood City");
assert_true(match);
match = do_lookup_string_v6("fd92:7065:b8e:ffff::1",
dns_geoip_city_postalcode, "94063");
assert_true(match);
}
/* GeoIP asnum matching */
ISC_RUN_TEST_IMPL(asnum) {
bool match;
UNUSED(state);
if (geoip.as == NULL) {
skip();
}
match = do_lookup_string("10.53.0.3", dns_geoip_as_asnum, "AS100003");
assert_true(match);
}
/* GeoIP isp matching */
ISC_RUN_TEST_IMPL(isp) {
bool match;
UNUSED(state);
if (geoip.isp == NULL) {
skip();
}
match = do_lookup_string("10.53.0.1", dns_geoip_isp_name,
"One Systems, Inc.");
assert_true(match);
}
/* GeoIP org matching */
ISC_RUN_TEST_IMPL(org) {
bool match;
UNUSED(state);
if (geoip.as == NULL) {
skip();
}
match = do_lookup_string("10.53.0.2", dns_geoip_org_name,
"Two Technology Ltd.");
assert_true(match);
}
/* GeoIP domain matching */
ISC_RUN_TEST_IMPL(domain) {
bool match;
UNUSED(state);
if (geoip.domain == NULL) {
skip();
}
match = do_lookup_string("10.53.0.5", dns_geoip_domain_name, "five.es");
assert_true(match);
}
ISC_TEST_LIST_START
ISC_TEST_ENTRY_CUSTOM(baseline, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(country, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(country_v6, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(city, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(city_v6, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(asnum, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(isp, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(org, setup_test, teardown_test)
ISC_TEST_ENTRY_CUSTOM(domain, setup_test, teardown_test)
ISC_TEST_LIST_END
ISC_TEST_MAIN
|
