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53e1b683 1/* SPDX-License-Identifier: LGPL-2.1+ */
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2/***
3 This file is part of systemd.
4
5 Copyright 2016 Lennart Poettering
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6***/
7
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8#include <netinet/ip.h>
9
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10#include "sd-bus.h"
11
12634bb4 12#include "af-list.h"
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13#include "alloc-util.h"
14#include "bus-common-errors.h"
15#include "dns-type.h"
16#include "random-util.h"
4cbfd62b 17#include "resolved-def.h"
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18#include "string-util.h"
19#include "time-util.h"
20
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21static void prefix_random(const char *name, char **ret) {
22 uint64_t i, u;
23 char *m = NULL;
24
25 u = 1 + (random_u64() & 3);
26
27 for (i = 0; i < u; i++) {
28 _cleanup_free_ char *b = NULL;
29 char *x;
30
31 assert_se(asprintf(&b, "x%" PRIu64 "x", random_u64()));
605405c6 32 x = strjoin(b, ".", name);
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33 assert_se(x);
34
35 free(m);
36 m = x;
37 }
38
39 *ret = m;
40 }
41
42static void test_rr_lookup(sd_bus *bus, const char *name, uint16_t type, const char *result) {
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43 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
44 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
45 _cleanup_free_ char *m = NULL;
46 int r;
47
48 /* If the name starts with a dot, we prefix one to three random labels */
49 if (startswith(name, ".")) {
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50 prefix_random(name + 1, &m);
51 name = m;
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52 }
53
54 assert_se(sd_bus_message_new_method_call(
55 bus,
56 &req,
57 "org.freedesktop.resolve1",
58 "/org/freedesktop/resolve1",
59 "org.freedesktop.resolve1.Manager",
60 "ResolveRecord") >= 0);
61
62 assert_se(sd_bus_message_append(req, "isqqt", 0, name, DNS_CLASS_IN, type, UINT64_C(0)) >= 0);
63
4cbfd62b 64 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
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65
66 if (r < 0) {
67 assert_se(result);
68 assert_se(sd_bus_error_has_name(&error, result));
69 log_info("[OK] %s/%s resulted in <%s>.", name, dns_type_to_string(type), error.name);
70 } else {
71 assert_se(!result);
72 log_info("[OK] %s/%s succeeded.", name, dns_type_to_string(type));
73 }
74}
75
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76static void test_hostname_lookup(sd_bus *bus, const char *name, int family, const char *result) {
77 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
78 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
79 _cleanup_free_ char *m = NULL;
80 const char *af;
81 int r;
82
83 af = family == AF_UNSPEC ? "AF_UNSPEC" : af_to_name(family);
84
85 /* If the name starts with a dot, we prefix one to three random labels */
86 if (startswith(name, ".")) {
87 prefix_random(name + 1, &m);
88 name = m;
89 }
90
91 assert_se(sd_bus_message_new_method_call(
92 bus,
93 &req,
94 "org.freedesktop.resolve1",
95 "/org/freedesktop/resolve1",
96 "org.freedesktop.resolve1.Manager",
97 "ResolveHostname") >= 0);
98
99 assert_se(sd_bus_message_append(req, "isit", 0, name, family, UINT64_C(0)) >= 0);
100
4cbfd62b 101 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
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102
103 if (r < 0) {
104 assert_se(result);
105 assert_se(sd_bus_error_has_name(&error, result));
106 log_info("[OK] %s/%s resulted in <%s>.", name, af, error.name);
107 } else {
108 assert_se(!result);
109 log_info("[OK] %s/%s succeeded.", name, af);
110 }
111
112}
113
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114int main(int argc, char* argv[]) {
115 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
116
117 /* Note that this is a manual test as it requires:
118 *
119 * Full network access
120 * A DNSSEC capable DNS server
121 * That zones contacted are still set up as they were when I wrote this.
122 */
123
124 assert_se(sd_bus_open_system(&bus) >= 0);
125
126 /* Normally signed */
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127 test_rr_lookup(bus, "www.eurid.eu", DNS_TYPE_A, NULL);
128 test_hostname_lookup(bus, "www.eurid.eu", AF_UNSPEC, NULL);
129
130 test_rr_lookup(bus, "sigok.verteiltesysteme.net", DNS_TYPE_A, NULL);
131 test_hostname_lookup(bus, "sigok.verteiltesysteme.net", AF_UNSPEC, NULL);
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132
133 /* Normally signed, NODATA */
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134 test_rr_lookup(bus, "www.eurid.eu", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);
135 test_rr_lookup(bus, "sigok.verteiltesysteme.net", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);
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136
137 /* Invalid signature */
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138 test_rr_lookup(bus, "sigfail.verteiltesysteme.net", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
139 test_hostname_lookup(bus, "sigfail.verteiltesysteme.net", AF_INET, BUS_ERROR_DNSSEC_FAILED);
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140
141 /* Invalid signature, RSA, wildcard */
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142 test_rr_lookup(bus, ".wilda.rhybar.0skar.cz", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
143 test_hostname_lookup(bus, ".wilda.rhybar.0skar.cz", AF_INET, BUS_ERROR_DNSSEC_FAILED);
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144
145 /* Invalid signature, ECDSA, wildcard */
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146 test_rr_lookup(bus, ".wilda.rhybar.ecdsa.0skar.cz", DNS_TYPE_A, BUS_ERROR_DNSSEC_FAILED);
147 test_hostname_lookup(bus, ".wilda.rhybar.ecdsa.0skar.cz", AF_INET, BUS_ERROR_DNSSEC_FAILED);
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148
149 /* NXDOMAIN in NSEC domain */
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150 test_rr_lookup(bus, "hhh.nasa.gov", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
151 test_hostname_lookup(bus, "hhh.nasa.gov", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");
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152
153 /* wildcard, NSEC zone */
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154 test_rr_lookup(bus, ".wilda.nsec.0skar.cz", DNS_TYPE_A, NULL);
155 test_hostname_lookup(bus, ".wilda.nsec.0skar.cz", AF_INET, NULL);
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156
157 /* wildcard, NSEC zone, NODATA */
12634bb4 158 test_rr_lookup(bus, ".wilda.nsec.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);
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159
160 /* wildcard, NSEC3 zone */
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161 test_rr_lookup(bus, ".wilda.0skar.cz", DNS_TYPE_A, NULL);
162 test_hostname_lookup(bus, ".wilda.0skar.cz", AF_INET, NULL);
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163
164 /* wildcard, NSEC3 zone, NODATA */
12634bb4 165 test_rr_lookup(bus, ".wilda.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);
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166
167 /* wildcard, NSEC zone, CNAME */
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168 test_rr_lookup(bus, ".wild.nsec.0skar.cz", DNS_TYPE_A, NULL);
169 test_hostname_lookup(bus, ".wild.nsec.0skar.cz", AF_UNSPEC, NULL);
170 test_hostname_lookup(bus, ".wild.nsec.0skar.cz", AF_INET, NULL);
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171
172 /* wildcard, NSEC zone, NODATA, CNAME */
12634bb4 173 test_rr_lookup(bus, ".wild.nsec.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);
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174
175 /* wildcard, NSEC3 zone, CNAME */
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176 test_rr_lookup(bus, ".wild.0skar.cz", DNS_TYPE_A, NULL);
177 test_hostname_lookup(bus, ".wild.0skar.cz", AF_UNSPEC, NULL);
178 test_hostname_lookup(bus, ".wild.0skar.cz", AF_INET, NULL);
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179
180 /* wildcard, NSEC3 zone, NODATA, CNAME */
12634bb4 181 test_rr_lookup(bus, ".wild.0skar.cz", DNS_TYPE_RP, BUS_ERROR_NO_SUCH_RR);
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182
183 /* NODATA due to empty non-terminal in NSEC domain */
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184 test_rr_lookup(bus, "herndon.nasa.gov", DNS_TYPE_A, BUS_ERROR_NO_SUCH_RR);
185 test_hostname_lookup(bus, "herndon.nasa.gov", AF_UNSPEC, BUS_ERROR_NO_SUCH_RR);
186 test_hostname_lookup(bus, "herndon.nasa.gov", AF_INET, BUS_ERROR_NO_SUCH_RR);
187 test_hostname_lookup(bus, "herndon.nasa.gov", AF_INET6, BUS_ERROR_NO_SUCH_RR);
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188
189 /* NXDOMAIN in NSEC root zone: */
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190 test_rr_lookup(bus, "jasdhjas.kjkfgjhfjg", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
191 test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");
192 test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
193 test_hostname_lookup(bus, "jasdhjas.kjkfgjhfjg", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");
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194
195 /* NXDOMAIN in NSEC3 .com zone: */
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196 test_rr_lookup(bus, "kjkfgjhfjgsdfdsfd.com", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
197 test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
198 test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");
199 test_hostname_lookup(bus, "kjkfgjhfjgsdfdsfd.com", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");
200
201 /* Unsigned A */
202 test_rr_lookup(bus, "poettering.de", DNS_TYPE_A, NULL);
203 test_rr_lookup(bus, "poettering.de", DNS_TYPE_AAAA, NULL);
204 test_hostname_lookup(bus, "poettering.de", AF_UNSPEC, NULL);
205 test_hostname_lookup(bus, "poettering.de", AF_INET, NULL);
206 test_hostname_lookup(bus, "poettering.de", AF_INET6, NULL);
207
349cc4a5 208#if HAVE_LIBIDN2 || HAVE_LIBIDN
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209 /* Unsigned A with IDNA conversion necessary */
210 test_hostname_lookup(bus, "pöttering.de", AF_UNSPEC, NULL);
211 test_hostname_lookup(bus, "pöttering.de", AF_INET, NULL);
212 test_hostname_lookup(bus, "pöttering.de", AF_INET6, NULL);
213#endif
412577e3 214
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215 /* DNAME, pointing to NXDOMAIN */
216 test_rr_lookup(bus, ".ireallyhpoethisdoesnexist.xn--kprw13d.", DNS_TYPE_A, _BUS_ERROR_DNS "NXDOMAIN");
217 test_rr_lookup(bus, ".ireallyhpoethisdoesnexist.xn--kprw13d.", DNS_TYPE_RP, _BUS_ERROR_DNS "NXDOMAIN");
218 test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_UNSPEC, _BUS_ERROR_DNS "NXDOMAIN");
219 test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_INET, _BUS_ERROR_DNS "NXDOMAIN");
220 test_hostname_lookup(bus, ".ireallyhpoethisdoesntexist.xn--kprw13d.", AF_INET6, _BUS_ERROR_DNS "NXDOMAIN");
221
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222 return 0;
223}