src/resolve/test-dnssec-complex.c - systemd-stable - Rivoreo Source Code Repositories

 /***
   This file is part of systemd.

   Copyright 2016 Lennart Poettering

   systemd is free software; you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as published by
   the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.

   systemd is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/

 #include <netinet/ip.h>

 #include "sd-bus.h"

 #include "af-list.h"
 #include "alloc-util.h"
 #include "bus-common-errors.h"
 #include "dns-type.h"
 #include "random-util.h"
 #include "string-util.h"
 #include "time-util.h"

 #define DNS_CALL_TIMEOUT_USEC (45*USEC_PER_SEC)

 static void prefix_random(const char *name, char **ret) {
         uint64_t i, u;
         char *m = NULL;

         u = 1 + (random_u64() & 3);

         for (i = 0; i < u; i++) {
                 _cleanup_free_ char *b = NULL;
                 char *x;

                 assert_se(asprintf(&b, "x%" PRIu64 "x", random_u64()));
                 x = strjoin(b, ".", name, NULL);
                 assert_se(x);

                 free(m);
                 m = x;
         }

         *ret = m;
  }

 static void test_rr_lookup(sd_bus *bus, const char *name, uint16_t type, const char *result) {
         _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
         _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
         _cleanup_free_ char *m = NULL;
         int r;

         /* If the name starts with a dot, we prefix one to three random labels */
         if (startswith(name, ".")) {
                 prefix_random(name + 1, &m);
                 name = m;
         }

         assert_se(sd_bus_message_new_method_call(
                                   bus,
                                   &req,
                                   "org.freedesktop.resolve1",
                                   "/org/freedesktop/resolve1",
                                   "org.freedesktop.resolve1.Manager",
                                   "ResolveRecord") >= 0);

         assert_se(sd_bus_message_append(req, "isqqt", 0, name, DNS_CLASS_IN, type, UINT64_C(0)) >= 0);

         r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);

         if (r < 0) {
                 assert_se(result);
                 assert_se(sd_bus_error_has_name(&error, result));
                 log_info("[OK] %s/%s resulted in <%s>.", name, dns_type_to_string(type), error.name);
         } else {
                 assert_se(!result);
                 log_info("[OK] %s/%s succeeded.", name, dns_type_to_string(type));
         }
 }

 static void test_hostname_lookup(sd_bus *bus, const char *name, int family, const char *result) {
         _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
         _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
         _cleanup_free_ char *m = NULL;
         const char *af;
         int r;

         af = family == AF_UNSPEC ? "AF_UNSPEC" : af_to_name(family);

         /* If the name starts with a dot, we prefix one to three random labels */
         if (startswith(name, ".")) {
                 prefix_random(name + 1, &m);
                 name = m;
         }

         assert_se(sd_bus_message_new_method_call(
                                   bus,
                                   &req,
                                   "org.freedesktop.resolve1",
                                   "/org/freedesktop/resolve1",
                                   "org.freedesktop.resolve1.Manager",
                                   "ResolveHostname") >= 0);

         assert_se(sd_bus_message_append(req, "isit", 0, name, family, UINT64_C(0)) >= 0);

         r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);

         if (r < 0) {
                 assert_se(result);
                 assert_se(sd_bus_error_has_name(&error, result));
                 log_info("[OK] %s/%s resulted in <%s>.", name, af, error.name);
         } else {
                 assert_se(!result);
                 log_info("[OK] %s/%s succeeded.", name, af);
         }

 }

 int main(int argc, char* argv[]) {
         _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;

         /* Note that this is a manual test as it requires:
          *
          *    Full network access
          *    A DNSSEC capable DNS server
          *    That zones contacted are still set up as they were when I wrote this.
          */

         assert_se(sd_bus_open_system(&bus) >= 0);

         /* Normally signed */
         test_rr_lookup(bus, "www.eurid.eu", DNS_TYPE_A, NULL);
         test_hostname_lookup(bus, "www.eurid.eu", AF_UNSPEC, NULL);

         test_rr_lookup(bus, "sigok.verteiltesysteme.net", DNS_TYPE_A, NULL);
         test_hostname_lookup(bus, "sigok.verteiltesysteme.net", AF_UNSPEC, NULL);

         /* Normally signed, NODATA */
         test_rr_lookup(bus, "www.eurid.eu", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);
         test_rr_lookup(bus, "sigok.verteiltesysteme.net", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

         /* Invalid signature */
         test_rr_lookup(bus, "sigfail.verteiltesysteme.net", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
         test_hostname_lookup(bus, "sigfail.verteiltesysteme.net", AF_INET, BUS_ERROR_DNSSEC_FAILED);

         /* Invalid signature, RSA, wildcard */
         test_rr_lookup(bus, ".wilda.rhybar.0skar.cz", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
         test_hostname_lookup(bus, ".wilda.rhybar.0skar.cz", AF_INET, BUS_ERROR_DNSSEC_FAILED);

         /* Invalid signature, ECDSA, wildcard */
         test_rr_lookup(bus, ".wilda.rhybar.ecdsa.0skar.cz", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
         test_hostname_lookup(bus, ".wilda.rhybar.ecdsa.0skar.cz", AF_INET, BUS_ERROR_DNSSEC_FAILED);

         /* NXDOMAIN in NSEC domain */
         test_rr_lookup(bus, "hhh.nasa.gov", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, "hhh.nasa.gov", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");

         /* wildcard, NSEC zone */
         test_rr_lookup(bus, ".wilda.nsec.0skar.cz", DNS_TYPE_A, NULL);
         test_hostname_lookup(bus, ".wilda.nsec.0skar.cz", AF_INET, NULL);

         /* wildcard, NSEC zone, NODATA */
         test_rr_lookup(bus, ".wilda.nsec.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

         /* wildcard, NSEC3 zone */
         test_rr_lookup(bus, ".wilda.0skar.cz", DNS_TYPE_A, NULL);
         test_hostname_lookup(bus, ".wilda.0skar.cz", AF_INET, NULL);

         /* wildcard, NSEC3 zone, NODATA */
         test_rr_lookup(bus, ".wilda.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

         /* wildcard, NSEC zone, CNAME */
         test_rr_lookup(bus, ".wild.nsec.0skar.cz", DNS_TYPE_A, NULL);
         test_hostname_lookup(bus, ".wild.nsec.0skar.cz", AF_UNSPEC, NULL);
         test_hostname_lookup(bus, ".wild.nsec.0skar.cz", AF_INET, NULL);

         /* wildcard, NSEC zone, NODATA, CNAME */
         test_rr_lookup(bus, ".wild.nsec.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

         /* wildcard, NSEC3 zone, CNAME */
         test_rr_lookup(bus, ".wild.0skar.cz", DNS_TYPE_A, NULL);
         test_hostname_lookup(bus, ".wild.0skar.cz", AF_UNSPEC, NULL);
         test_hostname_lookup(bus, ".wild.0skar.cz", AF_INET, NULL);

         /* wildcard, NSEC3 zone, NODATA, CNAME */
         test_rr_lookup(bus, ".wild.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

         /* NODATA due to empty non-terminal in NSEC domain */
         test_rr_lookup(bus, "herndon.nasa.gov", DNS_TYPE_A, BUS_ERROR_NO_SUCH_RR);
         test_hostname_lookup(bus, "herndon.nasa.gov", AF_UNSPEC, BUS_ERROR_NO_SUCH_RR);
         test_hostname_lookup(bus, "herndon.nasa.gov", AF_INET, BUS_ERROR_NO_SUCH_RR);
         test_hostname_lookup(bus, "herndon.nasa.gov", AF_INET6, BUS_ERROR_NO_SUCH_RR);

         /* NXDOMAIN in NSEC root zone: */
         test_rr_lookup(bus, "jasdhjas.kjkfgjhfjg", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");

         /* NXDOMAIN in NSEC3 .com zone: */
         test_rr_lookup(bus, "kjkfgjhfjgsdfdsfd.com", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");

         /* Unsigned A */
         test_rr_lookup(bus, "poettering.de", DNS_TYPE_A, NULL);
         test_rr_lookup(bus, "poettering.de", DNS_TYPE_AAAA, NULL);
         test_hostname_lookup(bus, "poettering.de", AF_UNSPEC, NULL);
         test_hostname_lookup(bus, "poettering.de", AF_INET, NULL);
         test_hostname_lookup(bus, "poettering.de", AF_INET6, NULL);

 #ifdef HAVE_LIBIDN
         /* Unsigned A with IDNA conversion necessary */
         test_hostname_lookup(bus, "pöttering.de", AF_UNSPEC, NULL);
         test_hostname_lookup(bus, "pöttering.de", AF_INET, NULL);
         test_hostname_lookup(bus, "pöttering.de", AF_INET6, NULL);
 #endif

         /* DNAME, pointing to NXDOMAIN */
         test_rr_lookup(bus, ".ireallyhpoethisdoesnexist.xn--kprw13d.", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
         test_rr_lookup(bus, ".ireallyhpoethisdoesnexist.xn--kprw13d.", DNS_TYPE_RP, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
         test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");

         return 0;
 }
	/***
	This file is part of systemd.

	Copyright 2016 Lennart Poettering

	systemd is free software; you can redistribute it and/or modify it
	under the terms of the GNU Lesser General Public License as published by
	the Free Software Foundation; either version 2.1 of the License, or
	(at your option) any later version.

	systemd is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public License
	along with systemd; If not, see <http://www.gnu.org/licenses/>.
	***/

	#include <netinet/ip.h>

	#include "sd-bus.h"

	#include "af-list.h"
	#include "alloc-util.h"
	#include "bus-common-errors.h"
	#include "dns-type.h"
	#include "random-util.h"
	#include "string-util.h"
	#include "time-util.h"

	#define DNS_CALL_TIMEOUT_USEC (45*USEC_PER_SEC)

	static void prefix_random(const char name, char *ret) {
	uint64_t i, u;
	char *m = NULL;

	u = 1 + (random_u64() & 3);

	for (i = 0; i < u; i++) {
	_cleanup_free_ char *b = NULL;
	char *x;

	assert_se(asprintf(&b, "x%" PRIu64 "x", random_u64()));
	x = strjoin(b, ".", name, NULL);
	assert_se(x);

	free(m);
	m = x;
	}

	*ret = m;
	}

	static void test_rr_lookup(sd_bus bus, const char name, uint16_t type, const char *result) {
	_cleanup_(sd_bus_message_unrefp) sd_bus_message req = NULL, reply = NULL;
	_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
	_cleanup_free_ char *m = NULL;
	int r;

	/* If the name starts with a dot, we prefix one to three random labels */
	if (startswith(name, ".")) {
	prefix_random(name + 1, &m);
	name = m;
	}

	assert_se(sd_bus_message_new_method_call(
	bus,
	&req,
	"org.freedesktop.resolve1",
	"/org/freedesktop/resolve1",
	"org.freedesktop.resolve1.Manager",
	"ResolveRecord") >= 0);

	assert_se(sd_bus_message_append(req, "isqqt", 0, name, DNS_CLASS_IN, type, UINT64_C(0)) >= 0);

	r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);

	if (r < 0) {
	assert_se(result);
	assert_se(sd_bus_error_has_name(&error, result));
	log_info("[OK] %s/%s resulted in <%s>.", name, dns_type_to_string(type), error.name);
	} else {
	assert_se(!result);
	log_info("[OK] %s/%s succeeded.", name, dns_type_to_string(type));
	}
	}

	static void test_hostname_lookup(sd_bus bus, const char name, int family, const char *result) {
	_cleanup_(sd_bus_message_unrefp) sd_bus_message req = NULL, reply = NULL;
	_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
	_cleanup_free_ char *m = NULL;
	const char *af;
	int r;

	af = family == AF_UNSPEC ? "AF_UNSPEC" : af_to_name(family);

	/* If the name starts with a dot, we prefix one to three random labels */
	if (startswith(name, ".")) {
	prefix_random(name + 1, &m);
	name = m;
	}

	assert_se(sd_bus_message_new_method_call(
	bus,
	&req,
	"org.freedesktop.resolve1",
	"/org/freedesktop/resolve1",
	"org.freedesktop.resolve1.Manager",
	"ResolveHostname") >= 0);

	assert_se(sd_bus_message_append(req, "isit", 0, name, family, UINT64_C(0)) >= 0);

	r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply);

	if (r < 0) {
	assert_se(result);
	assert_se(sd_bus_error_has_name(&error, result));
	log_info("[OK] %s/%s resulted in <%s>.", name, af, error.name);
	} else {
	assert_se(!result);
	log_info("[OK] %s/%s succeeded.", name, af);
	}

	}

	int main(int argc, char* argv[]) {
	_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;

	/* Note that this is a manual test as it requires:
	*
	* Full network access
	* A DNSSEC capable DNS server
	* That zones contacted are still set up as they were when I wrote this.
	*/

	assert_se(sd_bus_open_system(&bus) >= 0);

	/* Normally signed */
	test_rr_lookup(bus, "www.eurid.eu", DNS_TYPE_A, NULL);
	test_hostname_lookup(bus, "www.eurid.eu", AF_UNSPEC, NULL);

	test_rr_lookup(bus, "sigok.verteiltesysteme.net", DNS_TYPE_A, NULL);
	test_hostname_lookup(bus, "sigok.verteiltesysteme.net", AF_UNSPEC, NULL);

	/* Normally signed, NODATA */
	test_rr_lookup(bus, "www.eurid.eu", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);
	test_rr_lookup(bus, "sigok.verteiltesysteme.net", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

	/* Invalid signature */
	test_rr_lookup(bus, "sigfail.verteiltesysteme.net", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
	test_hostname_lookup(bus, "sigfail.verteiltesysteme.net", AF_INET, BUS_ERROR_DNSSEC_FAILED);

	/* Invalid signature, RSA, wildcard */
	test_rr_lookup(bus, ".wilda.rhybar.0skar.cz", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
	test_hostname_lookup(bus, ".wilda.rhybar.0skar.cz", AF_INET, BUS_ERROR_DNSSEC_FAILED);

	/* Invalid signature, ECDSA, wildcard */
	test_rr_lookup(bus, ".wilda.rhybar.ecdsa.0skar.cz", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
	test_hostname_lookup(bus, ".wilda.rhybar.ecdsa.0skar.cz", AF_INET, BUS_ERROR_DNSSEC_FAILED);

	/* NXDOMAIN in NSEC domain */
	test_rr_lookup(bus, "hhh.nasa.gov", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, "hhh.nasa.gov", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");

	/* wildcard, NSEC zone */
	test_rr_lookup(bus, ".wilda.nsec.0skar.cz", DNS_TYPE_A, NULL);
	test_hostname_lookup(bus, ".wilda.nsec.0skar.cz", AF_INET, NULL);

	/* wildcard, NSEC zone, NODATA */
	test_rr_lookup(bus, ".wilda.nsec.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

	/* wildcard, NSEC3 zone */
	test_rr_lookup(bus, ".wilda.0skar.cz", DNS_TYPE_A, NULL);
	test_hostname_lookup(bus, ".wilda.0skar.cz", AF_INET, NULL);

	/* wildcard, NSEC3 zone, NODATA */
	test_rr_lookup(bus, ".wilda.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

	/* wildcard, NSEC zone, CNAME */
	test_rr_lookup(bus, ".wild.nsec.0skar.cz", DNS_TYPE_A, NULL);
	test_hostname_lookup(bus, ".wild.nsec.0skar.cz", AF_UNSPEC, NULL);
	test_hostname_lookup(bus, ".wild.nsec.0skar.cz", AF_INET, NULL);

	/* wildcard, NSEC zone, NODATA, CNAME */
	test_rr_lookup(bus, ".wild.nsec.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

	/* wildcard, NSEC3 zone, CNAME */
	test_rr_lookup(bus, ".wild.0skar.cz", DNS_TYPE_A, NULL);
	test_hostname_lookup(bus, ".wild.0skar.cz", AF_UNSPEC, NULL);
	test_hostname_lookup(bus, ".wild.0skar.cz", AF_INET, NULL);

	/* wildcard, NSEC3 zone, NODATA, CNAME */
	test_rr_lookup(bus, ".wild.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);

	/* NODATA due to empty non-terminal in NSEC domain */
	test_rr_lookup(bus, "herndon.nasa.gov", DNS_TYPE_A, BUS_ERROR_NO_SUCH_RR);
	test_hostname_lookup(bus, "herndon.nasa.gov", AF_UNSPEC, BUS_ERROR_NO_SUCH_RR);
	test_hostname_lookup(bus, "herndon.nasa.gov", AF_INET, BUS_ERROR_NO_SUCH_RR);
	test_hostname_lookup(bus, "herndon.nasa.gov", AF_INET6, BUS_ERROR_NO_SUCH_RR);

	/* NXDOMAIN in NSEC root zone: */
	test_rr_lookup(bus, "jasdhjas.kjkfgjhfjg", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");

	/* NXDOMAIN in NSEC3 .com zone: */
	test_rr_lookup(bus, "kjkfgjhfjgsdfdsfd.com", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");

	/* Unsigned A */
	test_rr_lookup(bus, "poettering.de", DNS_TYPE_A, NULL);
	test_rr_lookup(bus, "poettering.de", DNS_TYPE_AAAA, NULL);
	test_hostname_lookup(bus, "poettering.de", AF_UNSPEC, NULL);
	test_hostname_lookup(bus, "poettering.de", AF_INET, NULL);
	test_hostname_lookup(bus, "poettering.de", AF_INET6, NULL);

	#ifdef HAVE_LIBIDN
	/* Unsigned A with IDNA conversion necessary */
	test_hostname_lookup(bus, "pöttering.de", AF_UNSPEC, NULL);
	test_hostname_lookup(bus, "pöttering.de", AF_INET, NULL);
	test_hostname_lookup(bus, "pöttering.de", AF_INET6, NULL);
	#endif

	/* DNAME, pointing to NXDOMAIN */
	test_rr_lookup(bus, ".ireallyhpoethisdoesnexist.xn--kprw13d.", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
	test_rr_lookup(bus, ".ireallyhpoethisdoesnexist.xn--kprw13d.", DNS_TYPE_RP, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
	test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");

	return 0;
	}