xref: /xnu-11215.61.5/tests/udp_bind_connect.c (revision 4f1223e81cd707a65cc109d0b8ad6653699da3c4)
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28 
29 #include <sys/fcntl.h>
30 #include <sys/socket.h>
31 
32 #include <net/if.h>
33 #include <net/route.h>
34 
35 #include <netinet/in.h>
36 
37 #include <stdbool.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <unistd.h>
41 
42 #include <arpa/inet.h>
43 
44 #include <darwintest.h>
45 
46 #include "net_test_lib.h"
47 
48 T_GLOBAL_META(
49 	T_META_NAMESPACE("xnu.net"),
50 	T_META_RADAR_COMPONENT_NAME("xnu"),
51 	T_META_RADAR_COMPONENT_VERSION("networking")
52 	);
53 
54 #define MAX_IPv6_STR_LEN        64
55 
56 static char l_addr_str[MAX_IPv6_STR_LEN];
57 static char f_addr_str[MAX_IPv6_STR_LEN];
58 
59 const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
60 #define s6_addr32 __u6_addr.__u6_addr32
61 
62 
63 static void
init_sin_address(struct sockaddr_in * sin)64 init_sin_address(struct sockaddr_in *sin)
65 {
66 	memset(sin, 0, sizeof(struct sockaddr_in));
67 	sin->sin_len = sizeof(struct sockaddr_in);
68 	sin->sin_family = AF_INET;
69 }
70 
71 static void
init_sin6_address(struct sockaddr_in6 * sin6)72 init_sin6_address(struct sockaddr_in6 *sin6)
73 {
74 	memset(sin6, 0, sizeof(struct sockaddr_in6));
75 	sin6->sin6_len = sizeof(struct sockaddr_in6);
76 	sin6->sin6_family = AF_INET6;
77 }
78 
79 static void
udp_connect_v4(int client_fd,struct sockaddr_in * sin_to,int expected_error)80 udp_connect_v4(int client_fd, struct sockaddr_in *sin_to, int expected_error)
81 {
82 	int listen_fd = -1;
83 	socklen_t socklen;
84 	struct sockaddr_in sin_local = { 0 };
85 	struct sockaddr_in sin_peer = { 0 };
86 	struct sockaddr_in sin;
87 
88 	init_sin_address(&sin);
89 	init_sin_address(&sin_local);
90 	init_sin_address(&sin_peer);
91 
92 	T_ASSERT_POSIX_SUCCESS(listen_fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
93 
94 	T_ASSERT_POSIX_SUCCESS(bind(listen_fd, (struct sockaddr *)&sin, sizeof(sin)), NULL);
95 
96 	socklen = sizeof(sin);
97 	T_ASSERT_POSIX_SUCCESS(getsockname(listen_fd, (struct sockaddr *)&sin, &socklen), NULL);
98 
99 	T_LOG("listening on port: %u", ntohs(sin.sin_port));
100 	sin_to->sin_port = sin.sin_port;
101 
102 	T_LOG("connect with sin_len: %u sin_family: %u sin_port: %u sin_addr: 0x%08x expected_error: %d",
103 	    sin_to->sin_len, sin_to->sin_family, ntohs(sin_to->sin_port), ntohl(sin_to->sin_addr.s_addr), expected_error);
104 
105 	if (expected_error == 0) {
106 		T_EXPECT_POSIX_SUCCESS(connect(client_fd, (struct sockaddr *)sin_to, sizeof(struct sockaddr_in)), NULL);
107 
108 		socklen = sizeof(sin_local);
109 		T_ASSERT_POSIX_SUCCESS(getsockname(client_fd, (struct sockaddr *)&sin_local, &socklen), NULL);
110 		(void)inet_ntop(AF_INET, &sin_local.sin_addr, l_addr_str, sizeof(l_addr_str));
111 
112 		socklen = sizeof(sin_peer);
113 		T_ASSERT_POSIX_SUCCESS(getpeername(client_fd, (struct sockaddr *)&sin_peer, &socklen), NULL);
114 		(void)inet_ntop(AF_INET, &sin_peer.sin_addr, f_addr_str, sizeof(f_addr_str));
115 
116 		T_LOG("connected from %s:%u to %s:%u",
117 		    l_addr_str, ntohs(sin_local.sin_port),
118 		    f_addr_str, ntohs(sin_peer.sin_port));
119 	} else {
120 		T_EXPECT_POSIX_FAILURE(connect(client_fd, (struct sockaddr *)sin_to, sizeof(struct sockaddr_in)), expected_error, NULL);
121 	}
122 	T_ASSERT_POSIX_SUCCESS(close(listen_fd), NULL);
123 }
124 
125 static void
udp_connect_v6(int client_fd,struct sockaddr_in6 * sin6_to,int expected_error)126 udp_connect_v6(int client_fd, struct sockaddr_in6 *sin6_to, int expected_error)
127 {
128 	int listen_fd = -1;
129 	socklen_t socklen;
130 	int off = 0;
131 	struct sockaddr_in6 sin6_local = { 0 };
132 	struct sockaddr_in6 sin6_peer = { 0 };
133 	struct sockaddr_in6 sin6;
134 
135 	init_sin6_address(&sin6);
136 	init_sin6_address(&sin6_local);
137 	init_sin6_address(&sin6_peer);
138 
139 	T_ASSERT_POSIX_SUCCESS(listen_fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
140 
141 	T_ASSERT_POSIX_SUCCESS(setsockopt(listen_fd, IPPROTO_IPV6, IPV6_V6ONLY, &off, sizeof(off)), NULL);
142 
143 	T_ASSERT_POSIX_SUCCESS(bind(listen_fd, (struct sockaddr *)&sin6, sizeof(sin6)), NULL);
144 
145 	socklen = sizeof(sin6);
146 	T_ASSERT_POSIX_SUCCESS(getsockname(listen_fd, (struct sockaddr *)&sin6, &socklen), NULL);
147 
148 	T_LOG("listening on port: %u", ntohs(sin6.sin6_port));
149 	sin6_to->sin6_port = sin6.sin6_port;
150 
151 	(void)inet_ntop(AF_INET6, &sin6_to->sin6_addr, l_addr_str, sizeof(l_addr_str));
152 	T_LOG("connect with sin6_len: %u sin6_family: %u sin6_port: %u sin6_addr: %s expected_error: %d",
153 	    sin6_to->sin6_len, sin6_to->sin6_family, ntohs(sin6_to->sin6_port), l_addr_str, expected_error);
154 
155 	if (expected_error == 0) {
156 		T_EXPECT_POSIX_SUCCESS(connect(client_fd, (struct sockaddr *)sin6_to, sizeof(struct sockaddr_in6)), NULL);
157 
158 		socklen = sizeof(sin6_local);
159 		T_ASSERT_POSIX_SUCCESS(getsockname(client_fd, (struct sockaddr *)&sin6_local, &socklen), NULL);
160 		(void)inet_ntop(AF_INET6, &sin6_local.sin6_addr, l_addr_str, sizeof(l_addr_str));
161 
162 		socklen = sizeof(sin6_peer);
163 		T_ASSERT_POSIX_SUCCESS(getpeername(client_fd, (struct sockaddr *)&sin6_peer, &socklen), NULL);
164 		(void)inet_ntop(AF_INET6, &sin6_peer.sin6_addr, f_addr_str, sizeof(f_addr_str));
165 
166 		T_LOG("connected from %s:%u to %s:%u",
167 		    l_addr_str, ntohs(sin6_local.sin6_port),
168 		    f_addr_str, ntohs(sin6_peer.sin6_port));
169 	} else {
170 		T_EXPECT_POSIX_FAILURE(connect(client_fd, (struct sockaddr *)sin6_to, sizeof(struct sockaddr_in6)), expected_error, NULL);
171 	}
172 	T_ASSERT_POSIX_SUCCESS(close(listen_fd), NULL);
173 }
174 
175 T_DECL(udp_bind_ipv4_loopback, "UDP bind with a IPv4 loopback address", T_META_TAG_VM_PREFERRED)
176 {
177 	int s = -1;
178 	struct sockaddr_in sin = { 0 };
179 
180 	init_sin_address(&sin);
181 	T_ASSERT_EQ(inet_pton(AF_INET, "127.0.0.1", &sin.sin_addr), 1, NULL);
182 
183 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
184 
185 	T_ASSERT_POSIX_SUCCESS(bind(s, (const struct sockaddr *)&sin, sizeof(sin)), 0, NULL);
186 
187 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
188 }
189 
190 T_DECL(udp_connect_ipv4_loopback, "UDP connect with a IPv4 loopback address", T_META_TAG_VM_PREFERRED)
191 {
192 	int s = -1;
193 	struct sockaddr_in sin = { 0 };
194 
195 	init_sin_address(&sin);
196 	T_ASSERT_EQ(inet_pton(AF_INET, "127.0.0.1", &sin.sin_addr), 1, NULL);
197 
198 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
199 
200 	udp_connect_v4(s, &sin, 0);
201 
202 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
203 }
204 
205 T_DECL(udp_bind_ipv4_multicast, "UDP bind with a IPv4 multicast address", T_META_TAG_VM_PREFERRED)
206 {
207 	int s = -1;
208 	struct sockaddr_in sin = { 0 };
209 
210 	init_sin_address(&sin);
211 	T_ASSERT_EQ(inet_pton(AF_INET, "224.0.0.1", &sin.sin_addr), 1, NULL);
212 
213 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
214 
215 	T_ASSERT_POSIX_SUCCESS(bind(s, (const struct sockaddr *)&sin, sizeof(sin)), NULL);
216 
217 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
218 }
219 
220 T_DECL(udp_connect_ipv4_multicast, "UDP connect with an IPv4 multicast address", T_META_TAG_VM_PREFERRED)
221 {
222 	if (!has_ipv4_default_route()) {
223 		T_SKIP("test require IPv4 default route");
224 	}
225 
226 	int s = -1;
227 	struct sockaddr_in sin = { 0 };
228 
229 	init_sin_address(&sin);
230 	T_ASSERT_EQ(inet_pton(AF_INET, "224.0.0.1", &sin.sin_addr), 1, NULL);
231 
232 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
233 
234 	udp_connect_v4(s, &sin, 0);
235 
236 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
237 }
238 
239 T_DECL(udp_bind_ipv4_broadcast, "UDP bind with the IPv4 broadcast address", T_META_TAG_VM_PREFERRED)
240 {
241 	int s = -1;
242 	struct sockaddr_in sin = { 0 };
243 
244 	init_sin_address(&sin);
245 	T_ASSERT_EQ(inet_pton(AF_INET, "255.255.255.255", &sin.sin_addr), 1, NULL);
246 
247 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
248 
249 	T_EXPECT_POSIX_FAILURE(bind(s, (const struct sockaddr *)&sin, sizeof(sin)), EADDRNOTAVAIL, NULL);
250 
251 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
252 }
253 
254 T_DECL(udp_connect_ipv4_broadcast, "UDP connect with the IPv4 broadcast address", T_META_TAG_VM_PREFERRED)
255 {
256 	if (!has_ipv4_default_route()) {
257 		T_SKIP("test require IPv4 default route");
258 	}
259 
260 	int s = -1;
261 	struct sockaddr_in sin = { 0 };
262 
263 	init_sin_address(&sin);
264 	T_ASSERT_EQ(inet_pton(AF_INET, "255.255.255.255", &sin.sin_addr), 1, NULL);
265 
266 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
267 
268 	udp_connect_v4(s, &sin, 0);
269 
270 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
271 }
272 
273 T_DECL(udp_bind_ipv4_null, "UDP bind with the null IPv4 address", T_META_TAG_VM_PREFERRED)
274 {
275 	int s = -1;
276 	struct sockaddr_in sin = { 0 };
277 
278 	init_sin_address(&sin);
279 	T_ASSERT_EQ(inet_pton(AF_INET, "0.0.0.0", &sin.sin_addr), 1, NULL);
280 
281 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
282 
283 	T_ASSERT_POSIX_SUCCESS(bind(s, (const struct sockaddr *)&sin, sizeof(sin)), NULL);
284 
285 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
286 }
287 
288 T_DECL(udp_connect_ipv4_null, "UDP connect with the null IPv4 address", T_META_TAG_VM_PREFERRED)
289 {
290 	if (!has_ipv4_default_route()) {
291 		T_SKIP("test require IPv4 default route");
292 	}
293 
294 	int s = -1;
295 	struct sockaddr_in sin = { 0 };
296 
297 	init_sin_address(&sin);
298 	T_ASSERT_EQ(inet_pton(AF_INET, "0.0.0.0", &sin.sin_addr), 1, NULL);
299 
300 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP), NULL);
301 
302 	udp_connect_v4(s, &sin, 0);
303 
304 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
305 }
306 
307 T_DECL(udp_bind_ipv6_loopback, "UDP bind with the IPv6 loopback address", T_META_TAG_VM_PREFERRED)
308 {
309 	int s = -1;
310 	struct sockaddr_in6 sin6 = { 0 };
311 
312 	sin6.sin6_scope_id = if_nametoindex("lo0");
313 	T_ASSERT_EQ(inet_pton(AF_INET6, "::1", &sin6.sin6_addr), 1, NULL);
314 
315 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
316 
317 	init_sin6_address(&sin6);
318 	T_ASSERT_POSIX_SUCCESS(bind(s, (const struct sockaddr *)&sin6, sizeof(sin6)), NULL);
319 
320 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
321 }
322 
323 T_DECL(udp_connect_ipv6_loopback, "UDP connect with the IPv6 loopback address", T_META_TAG_VM_PREFERRED)
324 {
325 	int s = -1;
326 	struct sockaddr_in6 sin6 = { 0 };
327 
328 	init_sin6_address(&sin6);
329 	T_ASSERT_EQ(inet_pton(AF_INET6, "::1", &sin6.sin6_addr), 1, NULL);
330 
331 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
332 
333 	udp_connect_v6(s, &sin6, 0);
334 
335 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
336 }
337 
338 T_DECL(udp_bind_ipv6_multicast, "UDP bind with a IPv6 multicast address", T_META_TAG_VM_PREFERRED)
339 {
340 	int s = -1;
341 	struct sockaddr_in6 sin6 = { 0 };
342 
343 	init_sin6_address(&sin6);
344 	sin6.sin6_scope_id = if_nametoindex("lo0");
345 	T_ASSERT_EQ(inet_pton(AF_INET6, "ff01::1", &sin6.sin6_addr), 1, NULL);
346 
347 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
348 
349 	T_ASSERT_POSIX_SUCCESS(bind(s, (const struct sockaddr *)&sin6, sizeof(sin6)), NULL);
350 
351 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
352 }
353 
354 T_DECL(udp_connect_ipv6_multicast, "UDP connect with a IPv6 multicast address", T_META_TAG_VM_PREFERRED)
355 {
356 	int s = -1;
357 	struct sockaddr_in6 sin6 = { 0 };
358 
359 	init_sin6_address(&sin6);
360 	sin6.sin6_scope_id = if_nametoindex("lo0");
361 	T_ASSERT_EQ(inet_pton(AF_INET6, "ff01::1", &sin6.sin6_addr), 1, NULL);
362 
363 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
364 
365 	udp_connect_v6(s, &sin6, 0);
366 
367 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
368 }
369 
370 T_DECL(udp_bind_null_ipv6, "UDP bind with the IPv6 null address", T_META_TAG_VM_PREFERRED)
371 {
372 	int s = -1;
373 	struct sockaddr_in6 sin6 = { 0 };
374 
375 	init_sin6_address(&sin6);
376 	T_ASSERT_EQ(inet_pton(AF_INET6, "::", &sin6.sin6_addr), 1, NULL);
377 
378 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
379 
380 	T_ASSERT_POSIX_SUCCESS(bind(s, (const struct sockaddr *)&sin6, sizeof(sin6)), NULL);
381 
382 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
383 }
384 
385 T_DECL(udp_connect_null_ipv6, "UDP connect with the IPv6 null address", T_META_TAG_VM_PREFERRED)
386 {
387 	int s = -1;
388 	struct sockaddr_in6 sin6 = { 0 };
389 
390 	init_sin6_address(&sin6);
391 	T_ASSERT_EQ(inet_pton(AF_INET6, "::", &sin6.sin6_addr), 1, NULL);
392 
393 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
394 
395 	udp_connect_v6(s, &sin6, 0);
396 
397 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
398 }
399 
400 T_DECL(udp_bind_ipv4_multicast_mapped_ipv6, "UDP bind with IPv4 multicast mapped IPv6 address", T_META_TAG_VM_PREFERRED)
401 {
402 	int s = -1;
403 	struct sockaddr_in6 sin6 = { 0 };
404 
405 	init_sin6_address(&sin6);
406 	T_ASSERT_EQ(inet_pton(AF_INET6, "::ffff:224.0.0.1", &sin6.sin6_addr), 1, NULL);
407 
408 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
409 
410 	T_ASSERT_POSIX_SUCCESS(bind(s, (const struct sockaddr *)&sin6, sizeof(sin6)), NULL);
411 
412 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
413 }
414 
415 T_DECL(udp_connect_ipv4_multicast_mapped_ipv6, "UDP connect with IPv4 multicast mapped IPv6 address", T_META_TAG_VM_PREFERRED)
416 {
417 	if (!has_ipv4_default_route()) {
418 		T_SKIP("test require IPv4 default route");
419 	}
420 
421 	int s = -1;
422 	struct sockaddr_in6 sin6 = { 0 };
423 
424 	init_sin6_address(&sin6);
425 	T_ASSERT_EQ(inet_pton(AF_INET6, "::ffff:224.0.0.1", &sin6.sin6_addr), 1, NULL);
426 
427 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
428 
429 	udp_connect_v6(s, &sin6, 0);
430 
431 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
432 }
433 
434 T_DECL(udp_bind_ipv4_broadcast_mapped_ipv6, "UDP bind with IPv4 broadcast mapped IPv6 address", T_META_TAG_VM_PREFERRED)
435 {
436 	int s = -1;
437 	struct sockaddr_in6 sin6 = { 0 };
438 
439 	init_sin6_address(&sin6);
440 	T_ASSERT_EQ(inet_pton(AF_INET6, "::ffff:255.255.255.255", &sin6.sin6_addr), 1, NULL);
441 
442 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
443 
444 	T_EXPECT_POSIX_FAILURE(bind(s, (const struct sockaddr *)&sin6, sizeof(sin6)), EADDRNOTAVAIL, NULL);
445 
446 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
447 }
448 
449 T_DECL(udp_connect_ipv4_broadcast_mapped_ipv6, "UDP connect with IPv4 broadcast mapped IPv6 address", T_META_TAG_VM_PREFERRED)
450 {
451 	if (!has_ipv4_default_route()) {
452 		T_SKIP("test require IPv4 default route");
453 	}
454 
455 	int s = -1;
456 	struct sockaddr_in6 sin6 = { 0 };
457 
458 	init_sin6_address(&sin6);
459 	T_ASSERT_EQ(inet_pton(AF_INET6, "::ffff:255.255.255.255", &sin6.sin6_addr), 1, NULL);
460 
461 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
462 
463 	udp_connect_v6(s, &sin6, 0);
464 
465 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
466 }
467 
468 T_DECL(udp_bind_ipv4_null_mapped_ipv6, "UDP bind with IPv4 null mapped IPv6 address", T_META_TAG_VM_PREFERRED)
469 {
470 	int s = -1;
471 	struct sockaddr_in6 sin6 = { 0 };
472 
473 	init_sin6_address(&sin6);
474 	T_ASSERT_EQ(inet_pton(AF_INET6, "::ffff:0.0.0.0", &sin6.sin6_addr), 1, NULL);
475 
476 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
477 
478 	udp_connect_v6(s, &sin6, 0);
479 
480 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
481 }
482 
483 T_DECL(udp_connect_ipv4_null_mapped_ipv6, "UDP connect with IPv4 null mapped IPv6 address", T_META_TAG_VM_PREFERRED)
484 {
485 	if (!has_ipv4_default_route()) {
486 		T_SKIP("test require IPv4 default route");
487 	}
488 
489 	int s = -1;
490 	struct sockaddr_in6 sin6 = { 0 };
491 
492 	init_sin6_address(&sin6);
493 	T_ASSERT_EQ(inet_pton(AF_INET6, "::ffff:0.0.0.0", &sin6.sin6_addr), 1, NULL);
494 
495 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
496 
497 	udp_connect_v6(s, &sin6, 0);
498 
499 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
500 }
501 
502 T_DECL(udp_bind_ipv4_multicast_compatible_ipv6, "UDP bind with IPv4 multicast compatible IPv6 address", T_META_TAG_VM_PREFERRED)
503 {
504 	int s = -1;
505 	struct sockaddr_in6 sin6 = { 0 };
506 
507 	init_sin6_address(&sin6);
508 	T_ASSERT_EQ(inet_pton(AF_INET6, "::224.0.0.1", &sin6.sin6_addr), 1, NULL);
509 
510 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
511 
512 	T_EXPECT_POSIX_FAILURE(bind(s, (const struct sockaddr *)&sin6, sizeof(sin6)), EADDRNOTAVAIL, NULL);
513 
514 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
515 }
516 
517 T_DECL(udp_connect_ipv4_multicast_compatible_ipv6, "UDP connect with IPv4 multicast compatible IPv6 address", T_META_TAG_VM_PREFERRED)
518 {
519 	if (!has_ipv6_default_route()) {
520 		T_SKIP("test require IPv6 default route");
521 	}
522 
523 	int s = -1;
524 	struct sockaddr_in6 sin6 = { 0 };
525 
526 	init_sin6_address(&sin6);
527 	T_ASSERT_EQ(inet_pton(AF_INET6, "::224.0.0.1", &sin6.sin6_addr), 1, NULL);
528 
529 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
530 
531 	udp_connect_v6(s, &sin6, 0);
532 
533 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
534 }
535 
536 T_DECL(udp_bind_ipv4_broadcast_compatible_ipv6, "UDP bind with IPv4 broadcast compatible IPv6 address", T_META_TAG_VM_PREFERRED)
537 {
538 	int s = -1;
539 	struct sockaddr_in6 sin6 = { 0 };
540 
541 	init_sin6_address(&sin6);
542 	T_ASSERT_EQ(inet_pton(AF_INET6, "::255.255.255.255", &sin6.sin6_addr), 1, NULL);
543 
544 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
545 
546 	T_EXPECT_POSIX_FAILURE(bind(s, (const struct sockaddr *)&sin6, sizeof(sin6)), EADDRNOTAVAIL, NULL);
547 
548 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
549 }
550 
551 T_DECL(udp_connect_ipv4_broadcast_compatible_ipv6, "UDP connect with IPv4 broadcast compatible IPv6 address", T_META_TAG_VM_PREFERRED)
552 {
553 	if (!has_ipv6_default_route()) {
554 		T_SKIP("test require IPv6 default route");
555 	}
556 
557 	int s = -1;
558 	struct sockaddr_in6 sin6 = { 0 };
559 
560 	init_sin6_address(&sin6);
561 	T_ASSERT_EQ(inet_pton(AF_INET6, "::255.255.255.255", &sin6.sin6_addr), 1, NULL);
562 
563 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
564 
565 	udp_connect_v6(s, &sin6, 0);
566 
567 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
568 }
569 
570 T_DECL(udp_bind_ipv4_null_compatible_ipv6, "UDP bind with IPv4 null compatible IPv6 address", T_META_TAG_VM_PREFERRED)
571 {
572 	int s = -1;
573 	struct sockaddr_in6 sin6 = { 0 };
574 
575 	init_sin6_address(&sin6);
576 	T_ASSERT_EQ(inet_pton(AF_INET6, "::0.0.0.0", &sin6.sin6_addr), 1, NULL);
577 
578 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
579 
580 	T_ASSERT_POSIX_SUCCESS(bind(s, (const struct sockaddr *)&sin6, sizeof(sin6)), NULL);
581 
582 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
583 }
584 
585 T_DECL(udp_connect_ipv4_null_compatible_ipv6, "UDP connect with IPv4 null compatible IPv6 address", T_META_TAG_VM_PREFERRED)
586 {
587 	if (!has_ipv6_default_route()) {
588 		T_SKIP("test require IPv6 default route");
589 	}
590 
591 	int s = -1;
592 	struct sockaddr_in6 sin6 = { 0 };
593 
594 	init_sin6_address(&sin6);
595 	T_ASSERT_EQ(inet_pton(AF_INET6, "::0.0.0.0", &sin6.sin6_addr), 1, NULL);
596 
597 	T_ASSERT_POSIX_SUCCESS(s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP), NULL);
598 
599 	udp_connect_v6(s, &sin6, 0);
600 
601 	T_ASSERT_POSIX_SUCCESS(close(s), NULL);
602 }
603