diff options
Diffstat (limited to 'src/grp-resolve/libbasic-dns/test/test-dnssec-complex.c')
| -rw-r--r-- | src/grp-resolve/libbasic-dns/test/test-dnssec-complex.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/src/grp-resolve/libbasic-dns/test/test-dnssec-complex.c b/src/grp-resolve/libbasic-dns/test/test-dnssec-complex.c new file mode 100644 index 0000000000..2eb4cfe1c2 --- /dev/null +++ b/src/grp-resolve/libbasic-dns/test/test-dnssec-complex.c @@ -0,0 +1,236 @@ +/*** + 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 <systemd/sd-bus.h> + +#include "basic-dns/dns-type.h" +#include "sd-bus/bus-common-errors.h" +#include "systemd-basic/af-list.h" +#include "systemd-basic/alloc-util.h" +#include "systemd-basic/random-util.h" +#include "systemd-basic/string-util.h" +#include "systemd-basic/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; +} |