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-rw-r--r--src/resolve/test-dnssec-complex.c215
1 files changed, 215 insertions, 0 deletions
diff --git a/src/resolve/test-dnssec-complex.c b/src/resolve/test-dnssec-complex.c
new file mode 100644
index 0000000..05a5f07
--- /dev/null
+++ b/src/resolve/test-dnssec-complex.c
@@ -0,0 +1,215 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <netinet/ip.h>
+
+#include "sd-bus.h"
+
+#include "af-list.h"
+#include "alloc-util.h"
+#include "bus-common-errors.h"
+#include "bus-locator.h"
+#include "dns-type.h"
+#include "random-util.h"
+#include "resolved-def.h"
+#include "string-util.h"
+#include "tests.h"
+#include "time-util.h"
+
+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);
+ 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(bus_message_new_method_call(bus, &req, bus_resolve_mgr, "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, SD_RESOLVED_QUERY_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(bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveHostname") >= 0);
+
+ assert_se(sd_bus_message_append(req, "isit", 0, name, family, UINT64_C(0)) >= 0);
+
+ r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_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.
+ */
+
+ test_setup_logging(LOG_DEBUG);
+
+ 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);
+
+ /* Missing DS for DNSKEY */
+ test_rr_lookup(bus, "www.dnssec-bogus.sg", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
+ test_hostname_lookup(bus, "www.dnssec-bogus.sg", 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);
+ test_rr_lookup(bus, "_pgpkey-https._tcp.hkps.pool.sks-keyservers.net", DNS_TYPE_SRV, 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);
+
+#if HAVE_LIBIDN2 || 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;
+}
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