1 /*
2  * testcode/unitzonemd.c - unit test for zonemd.
3  *
4  * Copyright (c) 2020, NLnet Labs. All rights reserved.
5  *
6  * This software is open source.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * Neither the name of the NLNET LABS nor the names of its contributors may
20  * be used to endorse or promote products derived from this software without
21  * specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
29  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  *
35  */
36 /**
37  * \file
38  * Unit tests for ZONEMD functionality.
39  */
40 
41 #include "config.h"
42 #include <ctype.h>
43 #include "util/log.h"
44 #include "testcode/unitmain.h"
45 #include "sldns/str2wire.h"
46 #include "services/authzone.h"
47 #include "util/data/dname.h"
48 #include "util/regional.h"
49 #include "validator/val_anchor.h"
50 
51 #define xstr(s) str(s)
52 #define str(s) #s
53 #define SRCDIRSTR xstr(SRCDIR)
54 
55 /** Add zone from file for testing */
56 struct auth_zone* authtest_addzone(struct auth_zones* az, const char* name,
57 	char* fname);
58 
59 /** zonemd unit test, generate a zonemd digest and check if correct */
zonemd_generate_test(const char * zname,char * zfile,int scheme,int hashalgo,const char * digest)60 static void zonemd_generate_test(const char* zname, char* zfile,
61 	int scheme, int hashalgo, const char* digest)
62 {
63 	uint8_t zonemd_hash[512];
64 	size_t hashlen = 0;
65 	char output[1024+1];
66 	size_t i;
67 	struct auth_zones* az;
68 	struct auth_zone* z;
69 	int result;
70 	struct regional* region = NULL;
71 	struct sldns_buffer* buf = NULL;
72 	char* reason = NULL;
73 	char* digestdup;
74 
75 	if(!zonemd_hashalgo_supported(hashalgo))
76 		return; /* cannot test unsupported algo */
77 
78 	/* setup environment */
79 	az = auth_zones_create();
80 	unit_assert(az);
81 	region = regional_create();
82 	unit_assert(region);
83 	buf = sldns_buffer_new(65535);
84 	unit_assert(buf);
85 
86 	/* read file */
87 	z = authtest_addzone(az, zname, zfile);
88 	unit_assert(z);
89 	lock_rw_wrlock(&z->lock);
90 	z->zonemd_check = 1;
91 	lock_rw_unlock(&z->lock);
92 
93 	/* create zonemd digest */
94 	result = auth_zone_generate_zonemd_hash(z, scheme, hashalgo,
95 		zonemd_hash, sizeof(zonemd_hash), &hashlen, region, buf,
96 		&reason);
97 	if(reason) printf("zonemd failure reason: %s\n", reason);
98 	unit_assert(result);
99 
100 	/* check digest */
101 	unit_assert(hashlen*2+1 <= sizeof(output));
102 	for(i=0; i<hashlen; i++) {
103 		const char* hexl = "0123456789ABCDEF";
104 		output[i*2] = hexl[(zonemd_hash[i]&0xf0)>>4];
105 		output[i*2+1] = hexl[zonemd_hash[i]&0xf];
106 	}
107 	output[hashlen*2] = 0;
108 	digestdup = strdup(digest);
109 	unit_assert(digestdup);
110 	for(i=0; i<strlen(digestdup); i++) {
111 		digestdup[i] = toupper(digestdup[i]);
112 	}
113 	if(verbosity >= VERB_ALGO) {
114 		char zname[255+1];
115 		dname_str(z->name, zname);
116 		printf("zonemd generated for %s in %s with "
117 			"scheme=%d hashalgo=%d\n", zname, z->zonefile,
118 			scheme, hashalgo);
119 		printf("digest %s\n", output);
120 		printf("wanted %s\n", digestdup);
121 	}
122 	unit_assert(strcmp(output, digestdup) == 0);
123 
124 	/* delete environment */
125 	free(digestdup);
126 	auth_zones_delete(az);
127 	regional_destroy(region);
128 	sldns_buffer_free(buf);
129 
130 	if(verbosity >= VERB_ALGO) {
131 		printf("\n");
132 	}
133 }
134 
135 /** loop over files and test generated zonemd digest */
zonemd_generate_tests(void)136 static void zonemd_generate_tests(void)
137 {
138 	unit_show_func("services/authzone.c", "auth_zone_generate_zonemd_hash");
139 	zonemd_generate_test("example.org", SRCDIRSTR "/testdata/zonemd.example1.zone",
140 		1, 2, "20564D10F50A0CEBEC856C64032B7DFB53D3C449A421A5BC7A21F7627B4ACEA4DF29F2C6FE82ED9C23ADF6F4D420D5DD63EF6E6349D60FDAB910B65DF8D481B7");
141 
142 	/* https://tools.ietf.org/html/draft-ietf-dnsop-dns-zone-digest-12
143 	 * from section A.1 */
144 	zonemd_generate_test("example", SRCDIRSTR "/testdata/zonemd.example_a1.zone",
145 		1, 1, "c68090d90a7aed716bc459f9340e3d7c1370d4d24b7e2fc3a1ddc0b9a87153b9a9713b3c9ae5cc27777f98b8e730044c");
146 
147 	/* https://tools.ietf.org/html/draft-ietf-dnsop-dns-zone-digest-12
148 	 * from section A.2 */
149 	zonemd_generate_test("example", SRCDIRSTR "/testdata/zonemd.example_a2.zone",
150 		1, 1, "31cefb03814f5062ad12fa951ba0ef5f8da6ae354a415767246f7dc932ceb1e742a2108f529db6a33a11c01493de358d");
151 
152 	/* https://tools.ietf.org/html/draft-ietf-dnsop-dns-zone-digest-12
153 	 * from section A.3 SHA384 digest */
154 	zonemd_generate_test("example", SRCDIRSTR "/testdata/zonemd.example_a3.zone",
155 		1, 1, "62e6cf51b02e54b9b5f967d547ce43136792901f9f88e637493daaf401c92c279dd10f0edb1c56f8080211f8480ee306");
156 
157 	/* https://tools.ietf.org/html/draft-ietf-dnsop-dns-zone-digest-12
158 	 * from section A.3 SHA512 digest*/
159 	zonemd_generate_test("example", SRCDIRSTR "/testdata/zonemd.example_a3.zone",
160 		1, 2, "08cfa1115c7b948c4163a901270395ea226a930cd2cbcf2fa9a5e6eb85f37c8a4e114d884e66f176eab121cb02db7d652e0cc4827e7a3204f166b47e5613fd27");
161 
162 	/* https://tools.ietf.org/html/draft-ietf-dnsop-dns-zone-digest-12
163 	 * from section A.4 */
164 	zonemd_generate_test("uri.arpa", SRCDIRSTR "/testdata/zonemd.example_a4.zone",
165 		1, 1, "1291b78ddf7669b1a39d014d87626b709b55774c5d7d58fadc556439889a10eaf6f11d615900a4f996bd46279514e473");
166 
167 	/* https://tools.ietf.org/html/draft-ietf-dnsop-dns-zone-digest-12
168 	 * from section A.5 */
169 	zonemd_generate_test("root-servers.net", SRCDIRSTR "/testdata/zonemd.example_a5.zone",
170 		1, 1, "f1ca0ccd91bd5573d9f431c00ee0101b2545c97602be0a978a3b11dbfc1c776d5b3e86ae3d973d6b5349ba7f04340f79");
171 }
172 
173 /** test the zonemd check routine */
zonemd_check_test(void)174 static void zonemd_check_test(void)
175 {
176 	const char* zname = "example.org";
177 	char* zfile = SRCDIRSTR "/testdata/zonemd.example1.zone";
178 	int scheme = 1;
179 	int hashalgo = 2;
180 	const char* digest = "20564D10F50A0CEBEC856C64032B7DFB53D3C449A421A5BC7A21F7627B4ACEA4DF29F2C6FE82ED9C23ADF6F4D420D5DD63EF6E6349D60FDAB910B65DF8D481B7";
181 	const char* digestwrong = "20564D10F50A0CEBEC856C64032B7DFB53D3C449A421A5BC7A21F7627B4ACEA4DF29F2C6FE82ED9C23ADF6F4D420D5DD63EF6E6349D60FDAB910B65DF8D48100";
182 	uint8_t hash[512], hashwrong[512];
183 	size_t hashlen = 0, hashwronglen = 0;
184 	struct auth_zones* az;
185 	struct auth_zone* z;
186 	int result;
187 	struct regional* region = NULL;
188 	struct sldns_buffer* buf = NULL;
189 	char* reason = NULL;
190 
191 	if(!zonemd_hashalgo_supported(hashalgo))
192 		return; /* cannot test unsupported algo */
193 	unit_show_func("services/authzone.c", "auth_zone_generate_zonemd_check");
194 
195 	/* setup environment */
196 	az = auth_zones_create();
197 	unit_assert(az);
198 	region = regional_create();
199 	unit_assert(region);
200 	buf = sldns_buffer_new(65535);
201 	unit_assert(buf);
202 
203 	/* read file */
204 	z = authtest_addzone(az, zname, zfile);
205 	unit_assert(z);
206 	lock_rw_wrlock(&z->lock);
207 	z->zonemd_check = 1;
208 	lock_rw_unlock(&z->lock);
209 	hashlen = sizeof(hash);
210 	if(sldns_str2wire_hex_buf(digest, hash, &hashlen) != 0) {
211 		unit_assert(0); /* parse failure */
212 	}
213 	hashwronglen = sizeof(hashwrong);
214 	if(sldns_str2wire_hex_buf(digestwrong, hashwrong, &hashwronglen) != 0) {
215 		unit_assert(0); /* parse failure */
216 	}
217 
218 	/* check return values of the check routine */
219 	result = auth_zone_generate_zonemd_check(z, scheme, hashalgo,
220 		hash, hashlen, region, buf, &reason);
221 	unit_assert(result && reason == NULL);
222 	result = auth_zone_generate_zonemd_check(z, 241, hashalgo,
223 		hash, hashlen, region, buf, &reason);
224 	unit_assert(result && strcmp(reason, "unsupported scheme")==0);
225 	result = auth_zone_generate_zonemd_check(z, scheme, 242,
226 		hash, hashlen, region, buf, &reason);
227 	unit_assert(result && strcmp(reason, "unsupported algorithm")==0);
228 	result = auth_zone_generate_zonemd_check(z, scheme, hashalgo,
229 		hash, 2, region, buf, &reason);
230 	unit_assert(!result && strcmp(reason, "digest length too small, less than 12")==0);
231 	result = auth_zone_generate_zonemd_check(z, scheme, hashalgo,
232 		hashwrong, hashwronglen, region, buf, &reason);
233 	unit_assert(!result && strcmp(reason, "incorrect digest")==0);
234 	result = auth_zone_generate_zonemd_check(z, scheme, hashalgo,
235 		hashwrong, hashwronglen-3, region, buf, &reason);
236 	unit_assert(!result && strcmp(reason, "incorrect digest length")==0);
237 
238 	/* delete environment */
239 	auth_zones_delete(az);
240 	regional_destroy(region);
241 	sldns_buffer_free(buf);
242 
243 	if(verbosity >= VERB_ALGO) {
244 		printf("\n");
245 	}
246 }
247 
248 /** zonemd test verify */
zonemd_verify_test(char * zname,char * zfile,char * tastr,char * date_override,char * result_wanted)249 static void zonemd_verify_test(char* zname, char* zfile, char* tastr,
250 	char* date_override, char* result_wanted)
251 {
252 	time_t now = 0;
253 	struct module_stack mods;
254 	struct module_env env;
255 	char* result = NULL;
256 	struct auth_zone* z;
257 
258 	/* setup test harness */
259 	memset(&mods, 0, sizeof(mods));
260 	memset(&env, 0, sizeof(env));
261 	env.scratch = regional_create();
262 	if(!env.scratch)
263 		fatal_exit("out of memory");
264 	env.scratch_buffer = sldns_buffer_new(65553);
265 	if(!env.scratch_buffer)
266 		fatal_exit("out of memory");
267 	env.cfg = config_create();
268 	if(!env.cfg)
269 		fatal_exit("out of memory");
270 	env.now = &now;
271 	env.cfg->val_date_override = cfg_convert_timeval(date_override);
272 	if(!env.cfg->val_date_override)
273 		fatal_exit("could not parse datetime %s", date_override);
274 	if(env.cfg->module_conf)
275 		free(env.cfg->module_conf);
276 	env.cfg->module_conf = strdup("validator iterator");
277 	if(!env.cfg->module_conf)
278 		fatal_exit("out of memory");
279 	if(tastr) {
280 		if(!cfg_strlist_insert(&env.cfg->trust_anchor_list,
281 			strdup(tastr)))
282 			fatal_exit("out of memory");
283 	}
284 	env.anchors = anchors_create();
285 	if(!env.anchors)
286 		fatal_exit("out of memory");
287 	env.auth_zones = auth_zones_create();
288 	if(!env.auth_zones)
289 		fatal_exit("out of memory");
290 	modstack_init(&mods);
291 	if(!modstack_setup(&mods, env.cfg->module_conf, &env))
292 		fatal_exit("could not modstack_setup");
293 	env.mesh = mesh_create(&mods, &env);
294 	if(!env.mesh)
295 		fatal_exit("out of memory");
296 
297 	/* load data */
298 	z = authtest_addzone(env.auth_zones, zname, zfile);
299 	if(!z)
300 		fatal_exit("could not addzone %s %s", zname, zfile);
301 
302 	/* test */
303 	lock_rw_wrlock(&z->lock);
304 	z->zonemd_check = 1;
305 	auth_zone_verify_zonemd(z, &env, &mods, &result, 1, 0);
306 	lock_rw_unlock(&z->lock);
307 	if(verbosity >= VERB_ALGO) {
308 		printf("auth zone %s: ZONEMD verification %s: %s\n", zname,
309 			(strcmp(result, "ZONEMD verification successful")==0?"successful":"failed"),
310 			result);
311 	}
312 	if(!result)
313 		fatal_exit("out of memory");
314 	unit_assert(strcmp(result, result_wanted) == 0);
315 	if(strcmp(result, "ZONEMD verification successful") == 0 ||
316 		strcmp(result, "DNSSEC verified nonexistence of ZONEMD") == 0 ||
317 		strcmp(result, "no ZONEMD present") == 0) {
318 		lock_rw_rdlock(&z->lock);
319 		unit_assert(!z->zone_expired);
320 		lock_rw_unlock(&z->lock);
321 	} else {
322 		lock_rw_rdlock(&z->lock);
323 		unit_assert(z->zone_expired);
324 		lock_rw_unlock(&z->lock);
325 	}
326 	free(result);
327 
328 	/* desetup test harness */
329 	mesh_delete(env.mesh);
330 	modstack_desetup(&mods, &env);
331 	auth_zones_delete(env.auth_zones);
332 	anchors_delete(env.anchors);
333 	config_delete(env.cfg);
334 	regional_destroy(env.scratch);
335 	sldns_buffer_free(env.scratch_buffer);
336 
337 	if(verbosity >= VERB_ALGO) {
338 		printf("\n");
339 	}
340 }
341 
342 /** zonemd test verify suite */
zonemd_verify_tests(void)343 static void zonemd_verify_tests(void)
344 {
345 	unit_show_func("services/authzone.c", "auth_zone_verify_zonemd");
346 	/* give trustanchor for unsigned zone, should fail */
347 	zonemd_verify_test("example.org",
348 		SRCDIRSTR "/testdata/zonemd.example1.zone",
349 		"example.org. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
350 		"20180302005009",
351 		"verify DNSKEY RRset with trust anchor failed: have trust anchor, but zone has no DNSKEY");
352 	/* unsigned zone without ZONEMD in it */
353 	zonemd_verify_test("example.org",
354 		SRCDIRSTR "/testdata/zonemd.example1.zone",
355 		NULL,
356 		"20180302005009",
357 		"no ZONEMD present");
358 	/* no trust anchor, so it succeeds for zone with a correct ZONEMD */
359 	zonemd_verify_test("example.com",
360 		SRCDIRSTR "/testdata/zonemd.example2.zone",
361 		NULL,
362 		"20180302005009",
363 		"ZONEMD verification successful");
364 	/* trust anchor for another zone, so it is indeterminate */
365 	zonemd_verify_test("example.com",
366 		SRCDIRSTR "/testdata/zonemd.example2.zone",
367 		"example.org. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
368 		"20180302005009",
369 		"ZONEMD verification successful");
370 
371 	/* load a DNSSEC signed zone, but no trust anchor */
372 	/* this zonefile has an incorrect ZONEMD digest, with correct
373 	 * DNSSEC signature. */
374 	zonemd_verify_test("example.com",
375 		SRCDIRSTR "/testdata/zonemd.example3.zone",
376 		NULL,
377 		"20180302005009",
378 		"incorrect digest");
379 	/* load a DNSSEC zone with NSEC3, but no trust anchor */
380 	/* this zonefile has an incorrect ZONEMD digest, with correct
381 	 * DNSSEC signature. */
382 	zonemd_verify_test("example.com",
383 		SRCDIRSTR "/testdata/zonemd.example4.zone",
384 		NULL,
385 		"20180302005009",
386 		"incorrect digest");
387 	/* valid zonemd, in dnssec signed zone, no trust anchor*/
388 	/* this zonefile has a correct ZONEMD digest and
389 	 * correct DNSSEC signature */
390 	zonemd_verify_test("example.com",
391 		SRCDIRSTR "/testdata/zonemd.example5.zone",
392 		NULL,
393 		"20180302005009",
394 		"ZONEMD verification successful");
395 	/* valid zonemd, in dnssec NSEC3 zone, no trust anchor*/
396 	zonemd_verify_test("example.com",
397 		SRCDIRSTR "/testdata/zonemd.example6.zone",
398 		NULL,
399 		"20180302005009",
400 		"ZONEMD verification successful");
401 
402 	/* load a DNSSEC signed zone with a trust anchor, valid ZONEMD */
403 	zonemd_verify_test("example.com",
404 		SRCDIRSTR "/testdata/zonemd.example5.zone",
405 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
406 		"20201020135527",
407 		"ZONEMD verification successful");
408 	/* load a DNSSEC NSEC3 signed zone with a trust anchor, valid ZONEMD */
409 	zonemd_verify_test("example.com",
410 		SRCDIRSTR "/testdata/zonemd.example6.zone",
411 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
412 		"20201020135527",
413 		"ZONEMD verification successful");
414 
415 	/* load a DNSSEC NSEC zone without ZONEMD */
416 	zonemd_verify_test("example.com",
417 		SRCDIRSTR "/testdata/zonemd.example7.zone",
418 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
419 		"20201020135527",
420 		"DNSSEC verified nonexistence of ZONEMD");
421 	/* load a DNSSEC NSEC3 zone without ZONEMD */
422 	zonemd_verify_test("example.com",
423 		SRCDIRSTR "/testdata/zonemd.example8.zone",
424 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
425 		"20201020135527",
426 		"DNSSEC verified nonexistence of ZONEMD");
427 
428 	/* load DNSSEC zone but RRSIG on ZONEMD is wrong */
429 	zonemd_verify_test("example.com",
430 		SRCDIRSTR "/testdata/zonemd.example9.zone",
431 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
432 		"20201020135527",
433 #ifdef HAVE_SSL
434 		"DNSSEC verify failed for ZONEMD RRset: signature crypto failed"
435 #else /* HAVE_NETTLE */
436 		"DNSSEC verify failed for ZONEMD RRset: RSA signature verification failed"
437 #endif
438 		);
439 	/* load DNSSEC zone but RRSIG on SOA is wrong */
440 	zonemd_verify_test("example.com",
441 		SRCDIRSTR "/testdata/zonemd.example10.zone",
442 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
443 		"20201020135527",
444 #ifdef HAVE_SSL
445 		"DNSSEC verify failed for SOA RRset: signature crypto failed"
446 #else /* HAVE_NETTLE */
447 		"DNSSEC verify failed for SOA RRset: RSA signature verification failed"
448 #endif
449 		);
450 
451 	/* load DNSSEC zone without ZONEMD, but NSEC bitmap says it exists */
452 	zonemd_verify_test("example.com",
453 		SRCDIRSTR "/testdata/zonemd.example11.zone",
454 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
455 		"20201020135527",
456 		"DNSSEC NSEC bitmap says type ZONEMD exists");
457 	/* load DNSSEC zone without ZONEMD, but NSEC3 bitmap says it exists */
458 	zonemd_verify_test("example.com",
459 		SRCDIRSTR "/testdata/zonemd.example12.zone",
460 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
461 		"20201020135527",
462 		"DNSSEC NSEC3 bitmap says type ZONEMD exists");
463 
464 	/* load DNSSEC zone without ZONEMD, but RRSIG on NSEC not okay */
465 	zonemd_verify_test("example.com",
466 		SRCDIRSTR "/testdata/zonemd.example13.zone",
467 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
468 		"20201020135527",
469 #ifdef HAVE_SSL
470 		"DNSSEC verify failed for NSEC RRset: signature crypto failed"
471 #else /* HAVE_NETTLE */
472 		"DNSSEC verify failed for NSEC RRset: RSA signature verification failed"
473 #endif
474 		);
475 	/* load DNSSEC zone without ZONEMD, but RRSIG on NSEC3 not okay */
476 	zonemd_verify_test("example.com",
477 		SRCDIRSTR "/testdata/zonemd.example14.zone",
478 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
479 		"20201020135527",
480 #ifdef HAVE_SSL
481 		"DNSSEC verify failed for NSEC3 RRset: signature crypto failed"
482 #else /* HAVE_NETTLE */
483 		"DNSSEC verify failed for NSEC3 RRset: RSA signature verification failed"
484 #endif
485 		);
486 
487 	/* load DNSSEC zone, with ZONEMD, but DNSKEY RRSIG is not okay. */
488 	zonemd_verify_test("example.com",
489 		SRCDIRSTR "/testdata/zonemd.example15.zone",
490 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
491 		"20201020135527",
492 #ifdef HAVE_SSL
493 		"verify DNSKEY RRset with trust anchor failed: signature crypto failed"
494 #else /* HAVE_NETTLE */
495 		"verify DNSKEY RRset with trust anchor failed: RSA signature verification failed"
496 #endif
497 		);
498 	/* load DNSSEC zone, but trust anchor mismatches DNSKEY */
499 	zonemd_verify_test("example.com",
500 		SRCDIRSTR "/testdata/zonemd.example5.zone",
501 		/* okay anchor is
502 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af", */
503 		"example.com. IN DS 55566 8 2 0000000000111111222223333444444dfcf92595148022f2c2fd98e5deee90af",
504 		"20201020135527",
505 		"verify DNSKEY RRset with trust anchor failed: DS hash mismatches key");
506 	/* load DNSSEC zone, but trust anchor fails because the zone
507 	 * has expired signatures.  We set the date for it */
508 	zonemd_verify_test("example.com",
509 		SRCDIRSTR "/testdata/zonemd.example5.zone",
510 		"example.com. IN DS 55566 8 2 9c148338951ce1c3b5cd3da532f3d90dfcf92595148022f2c2fd98e5deee90af",
511 		/* okay date: "20201020135527", */
512 		"20221020135527",
513 		"verify DNSKEY RRset with trust anchor failed: signature expired");
514 
515 	/* duplicate zonemd with same scheme and algorithm */
516 	zonemd_verify_test("example.com",
517 		SRCDIRSTR "/testdata/zonemd.example16.zone",
518 		NULL,
519 		"20180302005009",
520 		"ZONEMD RRSet contains more than one RR with the same scheme and hash algorithm");
521 	/* different capitalisation of ns name and owner names, should
522 	 * be canonicalized. */
523 	zonemd_verify_test("example.com",
524 		SRCDIRSTR "/testdata/zonemd.example17.zone",
525 		NULL,
526 		"20180302005009",
527 		"ZONEMD verification successful");
528 }
529 
530 /** zonemd unit tests */
zonemd_test(void)531 void zonemd_test(void)
532 {
533 	unit_show_feature("zonemd");
534 	zonemd_generate_tests();
535 	zonemd_check_test();
536 	zonemd_verify_tests();
537 }
538