xref: /linux/tools/testing/selftests/net/tls.c (revision 762f99f4f3cb41a775b5157dd761217beba65873)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 #define _GNU_SOURCE
4 
5 #include <arpa/inet.h>
6 #include <errno.h>
7 #include <error.h>
8 #include <fcntl.h>
9 #include <poll.h>
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <unistd.h>
13 
14 #include <linux/tls.h>
15 #include <linux/tcp.h>
16 #include <linux/socket.h>
17 
18 #include <sys/types.h>
19 #include <sys/sendfile.h>
20 #include <sys/socket.h>
21 #include <sys/stat.h>
22 
23 #include "../kselftest_harness.h"
24 
25 #define TLS_PAYLOAD_MAX_LEN 16384
26 #define SOL_TLS 282
27 
28 struct tls_crypto_info_keys {
29 	union {
30 		struct tls12_crypto_info_aes_gcm_128 aes128;
31 		struct tls12_crypto_info_chacha20_poly1305 chacha20;
32 	};
33 	size_t len;
34 };
35 
36 static void tls_crypto_info_init(uint16_t tls_version, uint16_t cipher_type,
37 				 struct tls_crypto_info_keys *tls12)
38 {
39 	memset(tls12, 0, sizeof(*tls12));
40 
41 	switch (cipher_type) {
42 	case TLS_CIPHER_CHACHA20_POLY1305:
43 		tls12->len = sizeof(struct tls12_crypto_info_chacha20_poly1305);
44 		tls12->chacha20.info.version = tls_version;
45 		tls12->chacha20.info.cipher_type = cipher_type;
46 		break;
47 	case TLS_CIPHER_AES_GCM_128:
48 		tls12->len = sizeof(struct tls12_crypto_info_aes_gcm_128);
49 		tls12->aes128.info.version = tls_version;
50 		tls12->aes128.info.cipher_type = cipher_type;
51 		break;
52 	default:
53 		break;
54 	}
55 }
56 
57 static void memrnd(void *s, size_t n)
58 {
59 	int *dword = s;
60 	char *byte;
61 
62 	for (; n >= 4; n -= 4)
63 		*dword++ = rand();
64 	byte = (void *)dword;
65 	while (n--)
66 		*byte++ = rand();
67 }
68 
69 FIXTURE(tls_basic)
70 {
71 	int fd, cfd;
72 	bool notls;
73 };
74 
75 FIXTURE_SETUP(tls_basic)
76 {
77 	struct sockaddr_in addr;
78 	socklen_t len;
79 	int sfd, ret;
80 
81 	self->notls = false;
82 	len = sizeof(addr);
83 
84 	addr.sin_family = AF_INET;
85 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
86 	addr.sin_port = 0;
87 
88 	self->fd = socket(AF_INET, SOCK_STREAM, 0);
89 	sfd = socket(AF_INET, SOCK_STREAM, 0);
90 
91 	ret = bind(sfd, &addr, sizeof(addr));
92 	ASSERT_EQ(ret, 0);
93 	ret = listen(sfd, 10);
94 	ASSERT_EQ(ret, 0);
95 
96 	ret = getsockname(sfd, &addr, &len);
97 	ASSERT_EQ(ret, 0);
98 
99 	ret = connect(self->fd, &addr, sizeof(addr));
100 	ASSERT_EQ(ret, 0);
101 
102 	self->cfd = accept(sfd, &addr, &len);
103 	ASSERT_GE(self->cfd, 0);
104 
105 	close(sfd);
106 
107 	ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
108 	if (ret != 0) {
109 		ASSERT_EQ(errno, ENOENT);
110 		self->notls = true;
111 		printf("Failure setting TCP_ULP, testing without tls\n");
112 		return;
113 	}
114 
115 	ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
116 	ASSERT_EQ(ret, 0);
117 }
118 
119 FIXTURE_TEARDOWN(tls_basic)
120 {
121 	close(self->fd);
122 	close(self->cfd);
123 }
124 
125 /* Send some data through with ULP but no keys */
126 TEST_F(tls_basic, base_base)
127 {
128 	char const *test_str = "test_read";
129 	int send_len = 10;
130 	char buf[10];
131 
132 	ASSERT_EQ(strlen(test_str) + 1, send_len);
133 
134 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
135 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
136 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
137 };
138 
139 FIXTURE(tls)
140 {
141 	int fd, cfd;
142 	bool notls;
143 };
144 
145 FIXTURE_VARIANT(tls)
146 {
147 	uint16_t tls_version;
148 	uint16_t cipher_type;
149 };
150 
151 FIXTURE_VARIANT_ADD(tls, 12_gcm)
152 {
153 	.tls_version = TLS_1_2_VERSION,
154 	.cipher_type = TLS_CIPHER_AES_GCM_128,
155 };
156 
157 FIXTURE_VARIANT_ADD(tls, 13_gcm)
158 {
159 	.tls_version = TLS_1_3_VERSION,
160 	.cipher_type = TLS_CIPHER_AES_GCM_128,
161 };
162 
163 FIXTURE_VARIANT_ADD(tls, 12_chacha)
164 {
165 	.tls_version = TLS_1_2_VERSION,
166 	.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
167 };
168 
169 FIXTURE_VARIANT_ADD(tls, 13_chacha)
170 {
171 	.tls_version = TLS_1_3_VERSION,
172 	.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
173 };
174 
175 FIXTURE_SETUP(tls)
176 {
177 	struct tls_crypto_info_keys tls12;
178 	struct sockaddr_in addr;
179 	socklen_t len;
180 	int sfd, ret;
181 
182 	self->notls = false;
183 	len = sizeof(addr);
184 
185 	tls_crypto_info_init(variant->tls_version, variant->cipher_type,
186 			     &tls12);
187 
188 	addr.sin_family = AF_INET;
189 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
190 	addr.sin_port = 0;
191 
192 	self->fd = socket(AF_INET, SOCK_STREAM, 0);
193 	sfd = socket(AF_INET, SOCK_STREAM, 0);
194 
195 	ret = bind(sfd, &addr, sizeof(addr));
196 	ASSERT_EQ(ret, 0);
197 	ret = listen(sfd, 10);
198 	ASSERT_EQ(ret, 0);
199 
200 	ret = getsockname(sfd, &addr, &len);
201 	ASSERT_EQ(ret, 0);
202 
203 	ret = connect(self->fd, &addr, sizeof(addr));
204 	ASSERT_EQ(ret, 0);
205 
206 	ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
207 	if (ret != 0) {
208 		self->notls = true;
209 		printf("Failure setting TCP_ULP, testing without tls\n");
210 	}
211 
212 	if (!self->notls) {
213 		ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12,
214 				 tls12.len);
215 		ASSERT_EQ(ret, 0);
216 	}
217 
218 	self->cfd = accept(sfd, &addr, &len);
219 	ASSERT_GE(self->cfd, 0);
220 
221 	if (!self->notls) {
222 		ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls",
223 				 sizeof("tls"));
224 		ASSERT_EQ(ret, 0);
225 
226 		ret = setsockopt(self->cfd, SOL_TLS, TLS_RX, &tls12,
227 				 tls12.len);
228 		ASSERT_EQ(ret, 0);
229 	}
230 
231 	close(sfd);
232 }
233 
234 FIXTURE_TEARDOWN(tls)
235 {
236 	close(self->fd);
237 	close(self->cfd);
238 }
239 
240 TEST_F(tls, sendfile)
241 {
242 	int filefd = open("/proc/self/exe", O_RDONLY);
243 	struct stat st;
244 
245 	EXPECT_GE(filefd, 0);
246 	fstat(filefd, &st);
247 	EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
248 }
249 
250 TEST_F(tls, send_then_sendfile)
251 {
252 	int filefd = open("/proc/self/exe", O_RDONLY);
253 	char const *test_str = "test_send";
254 	int to_send = strlen(test_str) + 1;
255 	char recv_buf[10];
256 	struct stat st;
257 	char *buf;
258 
259 	EXPECT_GE(filefd, 0);
260 	fstat(filefd, &st);
261 	buf = (char *)malloc(st.st_size);
262 
263 	EXPECT_EQ(send(self->fd, test_str, to_send, 0), to_send);
264 	EXPECT_EQ(recv(self->cfd, recv_buf, to_send, MSG_WAITALL), to_send);
265 	EXPECT_EQ(memcmp(test_str, recv_buf, to_send), 0);
266 
267 	EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
268 	EXPECT_EQ(recv(self->cfd, buf, st.st_size, MSG_WAITALL), st.st_size);
269 }
270 
271 static void chunked_sendfile(struct __test_metadata *_metadata,
272 			     struct _test_data_tls *self,
273 			     uint16_t chunk_size,
274 			     uint16_t extra_payload_size)
275 {
276 	char buf[TLS_PAYLOAD_MAX_LEN];
277 	uint16_t test_payload_size;
278 	int size = 0;
279 	int ret;
280 	char filename[] = "/tmp/mytemp.XXXXXX";
281 	int fd = mkstemp(filename);
282 	off_t offset = 0;
283 
284 	unlink(filename);
285 	ASSERT_GE(fd, 0);
286 	EXPECT_GE(chunk_size, 1);
287 	test_payload_size = chunk_size + extra_payload_size;
288 	ASSERT_GE(TLS_PAYLOAD_MAX_LEN, test_payload_size);
289 	memset(buf, 1, test_payload_size);
290 	size = write(fd, buf, test_payload_size);
291 	EXPECT_EQ(size, test_payload_size);
292 	fsync(fd);
293 
294 	while (size > 0) {
295 		ret = sendfile(self->fd, fd, &offset, chunk_size);
296 		EXPECT_GE(ret, 0);
297 		size -= ret;
298 	}
299 
300 	EXPECT_EQ(recv(self->cfd, buf, test_payload_size, MSG_WAITALL),
301 		  test_payload_size);
302 
303 	close(fd);
304 }
305 
306 TEST_F(tls, multi_chunk_sendfile)
307 {
308 	chunked_sendfile(_metadata, self, 4096, 4096);
309 	chunked_sendfile(_metadata, self, 4096, 0);
310 	chunked_sendfile(_metadata, self, 4096, 1);
311 	chunked_sendfile(_metadata, self, 4096, 2048);
312 	chunked_sendfile(_metadata, self, 8192, 2048);
313 	chunked_sendfile(_metadata, self, 4096, 8192);
314 	chunked_sendfile(_metadata, self, 8192, 4096);
315 	chunked_sendfile(_metadata, self, 12288, 1024);
316 	chunked_sendfile(_metadata, self, 12288, 2000);
317 	chunked_sendfile(_metadata, self, 15360, 100);
318 	chunked_sendfile(_metadata, self, 15360, 300);
319 	chunked_sendfile(_metadata, self, 1, 4096);
320 	chunked_sendfile(_metadata, self, 2048, 4096);
321 	chunked_sendfile(_metadata, self, 2048, 8192);
322 	chunked_sendfile(_metadata, self, 4096, 8192);
323 	chunked_sendfile(_metadata, self, 1024, 12288);
324 	chunked_sendfile(_metadata, self, 2000, 12288);
325 	chunked_sendfile(_metadata, self, 100, 15360);
326 	chunked_sendfile(_metadata, self, 300, 15360);
327 }
328 
329 TEST_F(tls, recv_max)
330 {
331 	unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
332 	char recv_mem[TLS_PAYLOAD_MAX_LEN];
333 	char buf[TLS_PAYLOAD_MAX_LEN];
334 
335 	memrnd(buf, sizeof(buf));
336 
337 	EXPECT_GE(send(self->fd, buf, send_len, 0), 0);
338 	EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
339 	EXPECT_EQ(memcmp(buf, recv_mem, send_len), 0);
340 }
341 
342 TEST_F(tls, recv_small)
343 {
344 	char const *test_str = "test_read";
345 	int send_len = 10;
346 	char buf[10];
347 
348 	send_len = strlen(test_str) + 1;
349 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
350 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
351 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
352 }
353 
354 TEST_F(tls, msg_more)
355 {
356 	char const *test_str = "test_read";
357 	int send_len = 10;
358 	char buf[10 * 2];
359 
360 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
361 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
362 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
363 	EXPECT_EQ(recv(self->cfd, buf, send_len * 2, MSG_WAITALL),
364 		  send_len * 2);
365 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
366 }
367 
368 TEST_F(tls, msg_more_unsent)
369 {
370 	char const *test_str = "test_read";
371 	int send_len = 10;
372 	char buf[10];
373 
374 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
375 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
376 }
377 
378 TEST_F(tls, sendmsg_single)
379 {
380 	struct msghdr msg;
381 
382 	char const *test_str = "test_sendmsg";
383 	size_t send_len = 13;
384 	struct iovec vec;
385 	char buf[13];
386 
387 	vec.iov_base = (char *)test_str;
388 	vec.iov_len = send_len;
389 	memset(&msg, 0, sizeof(struct msghdr));
390 	msg.msg_iov = &vec;
391 	msg.msg_iovlen = 1;
392 	EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len);
393 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len);
394 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
395 }
396 
397 #define MAX_FRAGS	64
398 #define SEND_LEN	13
399 TEST_F(tls, sendmsg_fragmented)
400 {
401 	char const *test_str = "test_sendmsg";
402 	char buf[SEND_LEN * MAX_FRAGS];
403 	struct iovec vec[MAX_FRAGS];
404 	struct msghdr msg;
405 	int i, frags;
406 
407 	for (frags = 1; frags <= MAX_FRAGS; frags++) {
408 		for (i = 0; i < frags; i++) {
409 			vec[i].iov_base = (char *)test_str;
410 			vec[i].iov_len = SEND_LEN;
411 		}
412 
413 		memset(&msg, 0, sizeof(struct msghdr));
414 		msg.msg_iov = vec;
415 		msg.msg_iovlen = frags;
416 
417 		EXPECT_EQ(sendmsg(self->fd, &msg, 0), SEND_LEN * frags);
418 		EXPECT_EQ(recv(self->cfd, buf, SEND_LEN * frags, MSG_WAITALL),
419 			  SEND_LEN * frags);
420 
421 		for (i = 0; i < frags; i++)
422 			EXPECT_EQ(memcmp(buf + SEND_LEN * i,
423 					 test_str, SEND_LEN), 0);
424 	}
425 }
426 #undef MAX_FRAGS
427 #undef SEND_LEN
428 
429 TEST_F(tls, sendmsg_large)
430 {
431 	void *mem = malloc(16384);
432 	size_t send_len = 16384;
433 	size_t sends = 128;
434 	struct msghdr msg;
435 	size_t recvs = 0;
436 	size_t sent = 0;
437 
438 	memset(&msg, 0, sizeof(struct msghdr));
439 	while (sent++ < sends) {
440 		struct iovec vec = { (void *)mem, send_len };
441 
442 		msg.msg_iov = &vec;
443 		msg.msg_iovlen = 1;
444 		EXPECT_EQ(sendmsg(self->cfd, &msg, 0), send_len);
445 	}
446 
447 	while (recvs++ < sends) {
448 		EXPECT_NE(recv(self->fd, mem, send_len, 0), -1);
449 	}
450 
451 	free(mem);
452 }
453 
454 TEST_F(tls, sendmsg_multiple)
455 {
456 	char const *test_str = "test_sendmsg_multiple";
457 	struct iovec vec[5];
458 	char *test_strs[5];
459 	struct msghdr msg;
460 	int total_len = 0;
461 	int len_cmp = 0;
462 	int iov_len = 5;
463 	char *buf;
464 	int i;
465 
466 	memset(&msg, 0, sizeof(struct msghdr));
467 	for (i = 0; i < iov_len; i++) {
468 		test_strs[i] = (char *)malloc(strlen(test_str) + 1);
469 		snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str);
470 		vec[i].iov_base = (void *)test_strs[i];
471 		vec[i].iov_len = strlen(test_strs[i]) + 1;
472 		total_len += vec[i].iov_len;
473 	}
474 	msg.msg_iov = vec;
475 	msg.msg_iovlen = iov_len;
476 
477 	EXPECT_EQ(sendmsg(self->cfd, &msg, 0), total_len);
478 	buf = malloc(total_len);
479 	EXPECT_NE(recv(self->fd, buf, total_len, 0), -1);
480 	for (i = 0; i < iov_len; i++) {
481 		EXPECT_EQ(memcmp(test_strs[i], buf + len_cmp,
482 				 strlen(test_strs[i])),
483 			  0);
484 		len_cmp += strlen(buf + len_cmp) + 1;
485 	}
486 	for (i = 0; i < iov_len; i++)
487 		free(test_strs[i]);
488 	free(buf);
489 }
490 
491 TEST_F(tls, sendmsg_multiple_stress)
492 {
493 	char const *test_str = "abcdefghijklmno";
494 	struct iovec vec[1024];
495 	char *test_strs[1024];
496 	int iov_len = 1024;
497 	int total_len = 0;
498 	char buf[1 << 14];
499 	struct msghdr msg;
500 	int len_cmp = 0;
501 	int i;
502 
503 	memset(&msg, 0, sizeof(struct msghdr));
504 	for (i = 0; i < iov_len; i++) {
505 		test_strs[i] = (char *)malloc(strlen(test_str) + 1);
506 		snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str);
507 		vec[i].iov_base = (void *)test_strs[i];
508 		vec[i].iov_len = strlen(test_strs[i]) + 1;
509 		total_len += vec[i].iov_len;
510 	}
511 	msg.msg_iov = vec;
512 	msg.msg_iovlen = iov_len;
513 
514 	EXPECT_EQ(sendmsg(self->fd, &msg, 0), total_len);
515 	EXPECT_NE(recv(self->cfd, buf, total_len, 0), -1);
516 
517 	for (i = 0; i < iov_len; i++)
518 		len_cmp += strlen(buf + len_cmp) + 1;
519 
520 	for (i = 0; i < iov_len; i++)
521 		free(test_strs[i]);
522 }
523 
524 TEST_F(tls, splice_from_pipe)
525 {
526 	int send_len = TLS_PAYLOAD_MAX_LEN;
527 	char mem_send[TLS_PAYLOAD_MAX_LEN];
528 	char mem_recv[TLS_PAYLOAD_MAX_LEN];
529 	int p[2];
530 
531 	ASSERT_GE(pipe(p), 0);
532 	EXPECT_GE(write(p[1], mem_send, send_len), 0);
533 	EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), 0);
534 	EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
535 	EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
536 }
537 
538 TEST_F(tls, splice_from_pipe2)
539 {
540 	int send_len = 16000;
541 	char mem_send[16000];
542 	char mem_recv[16000];
543 	int p2[2];
544 	int p[2];
545 
546 	ASSERT_GE(pipe(p), 0);
547 	ASSERT_GE(pipe(p2), 0);
548 	EXPECT_GE(write(p[1], mem_send, 8000), 0);
549 	EXPECT_GE(splice(p[0], NULL, self->fd, NULL, 8000, 0), 0);
550 	EXPECT_GE(write(p2[1], mem_send + 8000, 8000), 0);
551 	EXPECT_GE(splice(p2[0], NULL, self->fd, NULL, 8000, 0), 0);
552 	EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
553 	EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
554 }
555 
556 TEST_F(tls, send_and_splice)
557 {
558 	int send_len = TLS_PAYLOAD_MAX_LEN;
559 	char mem_send[TLS_PAYLOAD_MAX_LEN];
560 	char mem_recv[TLS_PAYLOAD_MAX_LEN];
561 	char const *test_str = "test_read";
562 	int send_len2 = 10;
563 	char buf[10];
564 	int p[2];
565 
566 	ASSERT_GE(pipe(p), 0);
567 	EXPECT_EQ(send(self->fd, test_str, send_len2, 0), send_len2);
568 	EXPECT_EQ(recv(self->cfd, buf, send_len2, MSG_WAITALL), send_len2);
569 	EXPECT_EQ(memcmp(test_str, buf, send_len2), 0);
570 
571 	EXPECT_GE(write(p[1], mem_send, send_len), send_len);
572 	EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), send_len);
573 
574 	EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
575 	EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
576 }
577 
578 TEST_F(tls, splice_to_pipe)
579 {
580 	int send_len = TLS_PAYLOAD_MAX_LEN;
581 	char mem_send[TLS_PAYLOAD_MAX_LEN];
582 	char mem_recv[TLS_PAYLOAD_MAX_LEN];
583 	int p[2];
584 
585 	ASSERT_GE(pipe(p), 0);
586 	EXPECT_GE(send(self->fd, mem_send, send_len, 0), 0);
587 	EXPECT_GE(splice(self->cfd, NULL, p[1], NULL, send_len, 0), 0);
588 	EXPECT_GE(read(p[0], mem_recv, send_len), 0);
589 	EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
590 }
591 
592 TEST_F(tls, recvmsg_single)
593 {
594 	char const *test_str = "test_recvmsg_single";
595 	int send_len = strlen(test_str) + 1;
596 	char buf[20];
597 	struct msghdr hdr;
598 	struct iovec vec;
599 
600 	memset(&hdr, 0, sizeof(hdr));
601 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
602 	vec.iov_base = (char *)buf;
603 	vec.iov_len = send_len;
604 	hdr.msg_iovlen = 1;
605 	hdr.msg_iov = &vec;
606 	EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
607 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
608 }
609 
610 TEST_F(tls, recvmsg_single_max)
611 {
612 	int send_len = TLS_PAYLOAD_MAX_LEN;
613 	char send_mem[TLS_PAYLOAD_MAX_LEN];
614 	char recv_mem[TLS_PAYLOAD_MAX_LEN];
615 	struct iovec vec;
616 	struct msghdr hdr;
617 
618 	memrnd(send_mem, sizeof(send_mem));
619 
620 	EXPECT_EQ(send(self->fd, send_mem, send_len, 0), send_len);
621 	vec.iov_base = (char *)recv_mem;
622 	vec.iov_len = TLS_PAYLOAD_MAX_LEN;
623 
624 	hdr.msg_iovlen = 1;
625 	hdr.msg_iov = &vec;
626 	EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
627 	EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
628 }
629 
630 TEST_F(tls, recvmsg_multiple)
631 {
632 	unsigned int msg_iovlen = 1024;
633 	unsigned int len_compared = 0;
634 	struct iovec vec[1024];
635 	char *iov_base[1024];
636 	unsigned int iov_len = 16;
637 	int send_len = 1 << 14;
638 	char buf[1 << 14];
639 	struct msghdr hdr;
640 	int i;
641 
642 	memrnd(buf, sizeof(buf));
643 
644 	EXPECT_EQ(send(self->fd, buf, send_len, 0), send_len);
645 	for (i = 0; i < msg_iovlen; i++) {
646 		iov_base[i] = (char *)malloc(iov_len);
647 		vec[i].iov_base = iov_base[i];
648 		vec[i].iov_len = iov_len;
649 	}
650 
651 	hdr.msg_iovlen = msg_iovlen;
652 	hdr.msg_iov = vec;
653 	EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
654 	for (i = 0; i < msg_iovlen; i++)
655 		len_compared += iov_len;
656 
657 	for (i = 0; i < msg_iovlen; i++)
658 		free(iov_base[i]);
659 }
660 
661 TEST_F(tls, single_send_multiple_recv)
662 {
663 	unsigned int total_len = TLS_PAYLOAD_MAX_LEN * 2;
664 	unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
665 	char send_mem[TLS_PAYLOAD_MAX_LEN * 2];
666 	char recv_mem[TLS_PAYLOAD_MAX_LEN * 2];
667 
668 	memrnd(send_mem, sizeof(send_mem));
669 
670 	EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
671 	memset(recv_mem, 0, total_len);
672 
673 	EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
674 	EXPECT_NE(recv(self->cfd, recv_mem + send_len, send_len, 0), -1);
675 	EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
676 }
677 
678 TEST_F(tls, multiple_send_single_recv)
679 {
680 	unsigned int total_len = 2 * 10;
681 	unsigned int send_len = 10;
682 	char recv_mem[2 * 10];
683 	char send_mem[10];
684 
685 	EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
686 	EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
687 	memset(recv_mem, 0, total_len);
688 	EXPECT_EQ(recv(self->cfd, recv_mem, total_len, MSG_WAITALL), total_len);
689 
690 	EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
691 	EXPECT_EQ(memcmp(send_mem, recv_mem + send_len, send_len), 0);
692 }
693 
694 TEST_F(tls, single_send_multiple_recv_non_align)
695 {
696 	const unsigned int total_len = 15;
697 	const unsigned int recv_len = 10;
698 	char recv_mem[recv_len * 2];
699 	char send_mem[total_len];
700 
701 	EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
702 	memset(recv_mem, 0, total_len);
703 
704 	EXPECT_EQ(recv(self->cfd, recv_mem, recv_len, 0), recv_len);
705 	EXPECT_EQ(recv(self->cfd, recv_mem + recv_len, recv_len, 0), 5);
706 	EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
707 }
708 
709 TEST_F(tls, recv_partial)
710 {
711 	char const *test_str = "test_read_partial";
712 	char const *test_str_first = "test_read";
713 	char const *test_str_second = "_partial";
714 	int send_len = strlen(test_str) + 1;
715 	char recv_mem[18];
716 
717 	memset(recv_mem, 0, sizeof(recv_mem));
718 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
719 	EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first),
720 		       MSG_WAITALL), -1);
721 	EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0);
722 	memset(recv_mem, 0, sizeof(recv_mem));
723 	EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second),
724 		       MSG_WAITALL), -1);
725 	EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)),
726 		  0);
727 }
728 
729 TEST_F(tls, recv_nonblock)
730 {
731 	char buf[4096];
732 	bool err;
733 
734 	EXPECT_EQ(recv(self->cfd, buf, sizeof(buf), MSG_DONTWAIT), -1);
735 	err = (errno == EAGAIN || errno == EWOULDBLOCK);
736 	EXPECT_EQ(err, true);
737 }
738 
739 TEST_F(tls, recv_peek)
740 {
741 	char const *test_str = "test_read_peek";
742 	int send_len = strlen(test_str) + 1;
743 	char buf[15];
744 
745 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
746 	EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
747 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
748 	memset(buf, 0, sizeof(buf));
749 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
750 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
751 }
752 
753 TEST_F(tls, recv_peek_multiple)
754 {
755 	char const *test_str = "test_read_peek";
756 	int send_len = strlen(test_str) + 1;
757 	unsigned int num_peeks = 100;
758 	char buf[15];
759 	int i;
760 
761 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
762 	for (i = 0; i < num_peeks; i++) {
763 		EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
764 		EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
765 		memset(buf, 0, sizeof(buf));
766 	}
767 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
768 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
769 }
770 
771 TEST_F(tls, recv_peek_multiple_records)
772 {
773 	char const *test_str = "test_read_peek_mult_recs";
774 	char const *test_str_first = "test_read_peek";
775 	char const *test_str_second = "_mult_recs";
776 	int len;
777 	char buf[64];
778 
779 	len = strlen(test_str_first);
780 	EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
781 
782 	len = strlen(test_str_second) + 1;
783 	EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
784 
785 	len = strlen(test_str_first);
786 	memset(buf, 0, len);
787 	EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len);
788 
789 	/* MSG_PEEK can only peek into the current record. */
790 	len = strlen(test_str_first);
791 	EXPECT_EQ(memcmp(test_str_first, buf, len), 0);
792 
793 	len = strlen(test_str) + 1;
794 	memset(buf, 0, len);
795 	EXPECT_EQ(recv(self->cfd, buf, len, MSG_WAITALL), len);
796 
797 	/* Non-MSG_PEEK will advance strparser (and therefore record)
798 	 * however.
799 	 */
800 	len = strlen(test_str) + 1;
801 	EXPECT_EQ(memcmp(test_str, buf, len), 0);
802 
803 	/* MSG_MORE will hold current record open, so later MSG_PEEK
804 	 * will see everything.
805 	 */
806 	len = strlen(test_str_first);
807 	EXPECT_EQ(send(self->fd, test_str_first, len, MSG_MORE), len);
808 
809 	len = strlen(test_str_second) + 1;
810 	EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
811 
812 	len = strlen(test_str) + 1;
813 	memset(buf, 0, len);
814 	EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len);
815 
816 	len = strlen(test_str) + 1;
817 	EXPECT_EQ(memcmp(test_str, buf, len), 0);
818 }
819 
820 TEST_F(tls, recv_peek_large_buf_mult_recs)
821 {
822 	char const *test_str = "test_read_peek_mult_recs";
823 	char const *test_str_first = "test_read_peek";
824 	char const *test_str_second = "_mult_recs";
825 	int len;
826 	char buf[64];
827 
828 	len = strlen(test_str_first);
829 	EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
830 
831 	len = strlen(test_str_second) + 1;
832 	EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
833 
834 	len = strlen(test_str) + 1;
835 	memset(buf, 0, len);
836 	EXPECT_NE((len = recv(self->cfd, buf, len,
837 			      MSG_PEEK | MSG_WAITALL)), -1);
838 	len = strlen(test_str) + 1;
839 	EXPECT_EQ(memcmp(test_str, buf, len), 0);
840 }
841 
842 TEST_F(tls, recv_lowat)
843 {
844 	char send_mem[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
845 	char recv_mem[20];
846 	int lowat = 8;
847 
848 	EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10);
849 	EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5);
850 
851 	memset(recv_mem, 0, 20);
852 	EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVLOWAT,
853 			     &lowat, sizeof(lowat)), 0);
854 	EXPECT_EQ(recv(self->cfd, recv_mem, 1, MSG_WAITALL), 1);
855 	EXPECT_EQ(recv(self->cfd, recv_mem + 1, 6, MSG_WAITALL), 6);
856 	EXPECT_EQ(recv(self->cfd, recv_mem + 7, 10, 0), 8);
857 
858 	EXPECT_EQ(memcmp(send_mem, recv_mem, 10), 0);
859 	EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0);
860 }
861 
862 TEST_F(tls, bidir)
863 {
864 	char const *test_str = "test_read";
865 	int send_len = 10;
866 	char buf[10];
867 	int ret;
868 
869 	if (!self->notls) {
870 		struct tls_crypto_info_keys tls12;
871 
872 		tls_crypto_info_init(variant->tls_version, variant->cipher_type,
873 				     &tls12);
874 
875 		ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12,
876 				 tls12.len);
877 		ASSERT_EQ(ret, 0);
878 
879 		ret = setsockopt(self->cfd, SOL_TLS, TLS_TX, &tls12,
880 				 tls12.len);
881 		ASSERT_EQ(ret, 0);
882 	}
883 
884 	ASSERT_EQ(strlen(test_str) + 1, send_len);
885 
886 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
887 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
888 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
889 
890 	memset(buf, 0, sizeof(buf));
891 
892 	EXPECT_EQ(send(self->cfd, test_str, send_len, 0), send_len);
893 	EXPECT_NE(recv(self->fd, buf, send_len, 0), -1);
894 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
895 };
896 
897 TEST_F(tls, pollin)
898 {
899 	char const *test_str = "test_poll";
900 	struct pollfd fd = { 0, 0, 0 };
901 	char buf[10];
902 	int send_len = 10;
903 
904 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
905 	fd.fd = self->cfd;
906 	fd.events = POLLIN;
907 
908 	EXPECT_EQ(poll(&fd, 1, 20), 1);
909 	EXPECT_EQ(fd.revents & POLLIN, 1);
910 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len);
911 	/* Test timing out */
912 	EXPECT_EQ(poll(&fd, 1, 20), 0);
913 }
914 
915 TEST_F(tls, poll_wait)
916 {
917 	char const *test_str = "test_poll_wait";
918 	int send_len = strlen(test_str) + 1;
919 	struct pollfd fd = { 0, 0, 0 };
920 	char recv_mem[15];
921 
922 	fd.fd = self->cfd;
923 	fd.events = POLLIN;
924 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
925 	/* Set timeout to inf. secs */
926 	EXPECT_EQ(poll(&fd, 1, -1), 1);
927 	EXPECT_EQ(fd.revents & POLLIN, 1);
928 	EXPECT_EQ(recv(self->cfd, recv_mem, send_len, MSG_WAITALL), send_len);
929 }
930 
931 TEST_F(tls, poll_wait_split)
932 {
933 	struct pollfd fd = { 0, 0, 0 };
934 	char send_mem[20] = {};
935 	char recv_mem[15];
936 
937 	fd.fd = self->cfd;
938 	fd.events = POLLIN;
939 	/* Send 20 bytes */
940 	EXPECT_EQ(send(self->fd, send_mem, sizeof(send_mem), 0),
941 		  sizeof(send_mem));
942 	/* Poll with inf. timeout */
943 	EXPECT_EQ(poll(&fd, 1, -1), 1);
944 	EXPECT_EQ(fd.revents & POLLIN, 1);
945 	EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), MSG_WAITALL),
946 		  sizeof(recv_mem));
947 
948 	/* Now the remaining 5 bytes of record data are in TLS ULP */
949 	fd.fd = self->cfd;
950 	fd.events = POLLIN;
951 	EXPECT_EQ(poll(&fd, 1, -1), 1);
952 	EXPECT_EQ(fd.revents & POLLIN, 1);
953 	EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0),
954 		  sizeof(send_mem) - sizeof(recv_mem));
955 }
956 
957 TEST_F(tls, blocking)
958 {
959 	size_t data = 100000;
960 	int res = fork();
961 
962 	EXPECT_NE(res, -1);
963 
964 	if (res) {
965 		/* parent */
966 		size_t left = data;
967 		char buf[16384];
968 		int status;
969 		int pid2;
970 
971 		while (left) {
972 			int res = send(self->fd, buf,
973 				       left > 16384 ? 16384 : left, 0);
974 
975 			EXPECT_GE(res, 0);
976 			left -= res;
977 		}
978 
979 		pid2 = wait(&status);
980 		EXPECT_EQ(status, 0);
981 		EXPECT_EQ(res, pid2);
982 	} else {
983 		/* child */
984 		size_t left = data;
985 		char buf[16384];
986 
987 		while (left) {
988 			int res = recv(self->cfd, buf,
989 				       left > 16384 ? 16384 : left, 0);
990 
991 			EXPECT_GE(res, 0);
992 			left -= res;
993 		}
994 	}
995 }
996 
997 TEST_F(tls, nonblocking)
998 {
999 	size_t data = 100000;
1000 	int sendbuf = 100;
1001 	int flags;
1002 	int res;
1003 
1004 	flags = fcntl(self->fd, F_GETFL, 0);
1005 	fcntl(self->fd, F_SETFL, flags | O_NONBLOCK);
1006 	fcntl(self->cfd, F_SETFL, flags | O_NONBLOCK);
1007 
1008 	/* Ensure nonblocking behavior by imposing a small send
1009 	 * buffer.
1010 	 */
1011 	EXPECT_EQ(setsockopt(self->fd, SOL_SOCKET, SO_SNDBUF,
1012 			     &sendbuf, sizeof(sendbuf)), 0);
1013 
1014 	res = fork();
1015 	EXPECT_NE(res, -1);
1016 
1017 	if (res) {
1018 		/* parent */
1019 		bool eagain = false;
1020 		size_t left = data;
1021 		char buf[16384];
1022 		int status;
1023 		int pid2;
1024 
1025 		while (left) {
1026 			int res = send(self->fd, buf,
1027 				       left > 16384 ? 16384 : left, 0);
1028 
1029 			if (res == -1 && errno == EAGAIN) {
1030 				eagain = true;
1031 				usleep(10000);
1032 				continue;
1033 			}
1034 			EXPECT_GE(res, 0);
1035 			left -= res;
1036 		}
1037 
1038 		EXPECT_TRUE(eagain);
1039 		pid2 = wait(&status);
1040 
1041 		EXPECT_EQ(status, 0);
1042 		EXPECT_EQ(res, pid2);
1043 	} else {
1044 		/* child */
1045 		bool eagain = false;
1046 		size_t left = data;
1047 		char buf[16384];
1048 
1049 		while (left) {
1050 			int res = recv(self->cfd, buf,
1051 				       left > 16384 ? 16384 : left, 0);
1052 
1053 			if (res == -1 && errno == EAGAIN) {
1054 				eagain = true;
1055 				usleep(10000);
1056 				continue;
1057 			}
1058 			EXPECT_GE(res, 0);
1059 			left -= res;
1060 		}
1061 		EXPECT_TRUE(eagain);
1062 	}
1063 }
1064 
1065 static void
1066 test_mutliproc(struct __test_metadata *_metadata, struct _test_data_tls *self,
1067 	       bool sendpg, unsigned int n_readers, unsigned int n_writers)
1068 {
1069 	const unsigned int n_children = n_readers + n_writers;
1070 	const size_t data = 6 * 1000 * 1000;
1071 	const size_t file_sz = data / 100;
1072 	size_t read_bias, write_bias;
1073 	int i, fd, child_id;
1074 	char buf[file_sz];
1075 	pid_t pid;
1076 
1077 	/* Only allow multiples for simplicity */
1078 	ASSERT_EQ(!(n_readers % n_writers) || !(n_writers % n_readers), true);
1079 	read_bias = n_writers / n_readers ?: 1;
1080 	write_bias = n_readers / n_writers ?: 1;
1081 
1082 	/* prep a file to send */
1083 	fd = open("/tmp/", O_TMPFILE | O_RDWR, 0600);
1084 	ASSERT_GE(fd, 0);
1085 
1086 	memset(buf, 0xac, file_sz);
1087 	ASSERT_EQ(write(fd, buf, file_sz), file_sz);
1088 
1089 	/* spawn children */
1090 	for (child_id = 0; child_id < n_children; child_id++) {
1091 		pid = fork();
1092 		ASSERT_NE(pid, -1);
1093 		if (!pid)
1094 			break;
1095 	}
1096 
1097 	/* parent waits for all children */
1098 	if (pid) {
1099 		for (i = 0; i < n_children; i++) {
1100 			int status;
1101 
1102 			wait(&status);
1103 			EXPECT_EQ(status, 0);
1104 		}
1105 
1106 		return;
1107 	}
1108 
1109 	/* Split threads for reading and writing */
1110 	if (child_id < n_readers) {
1111 		size_t left = data * read_bias;
1112 		char rb[8001];
1113 
1114 		while (left) {
1115 			int res;
1116 
1117 			res = recv(self->cfd, rb,
1118 				   left > sizeof(rb) ? sizeof(rb) : left, 0);
1119 
1120 			EXPECT_GE(res, 0);
1121 			left -= res;
1122 		}
1123 	} else {
1124 		size_t left = data * write_bias;
1125 
1126 		while (left) {
1127 			int res;
1128 
1129 			ASSERT_EQ(lseek(fd, 0, SEEK_SET), 0);
1130 			if (sendpg)
1131 				res = sendfile(self->fd, fd, NULL,
1132 					       left > file_sz ? file_sz : left);
1133 			else
1134 				res = send(self->fd, buf,
1135 					   left > file_sz ? file_sz : left, 0);
1136 
1137 			EXPECT_GE(res, 0);
1138 			left -= res;
1139 		}
1140 	}
1141 }
1142 
1143 TEST_F(tls, mutliproc_even)
1144 {
1145 	test_mutliproc(_metadata, self, false, 6, 6);
1146 }
1147 
1148 TEST_F(tls, mutliproc_readers)
1149 {
1150 	test_mutliproc(_metadata, self, false, 4, 12);
1151 }
1152 
1153 TEST_F(tls, mutliproc_writers)
1154 {
1155 	test_mutliproc(_metadata, self, false, 10, 2);
1156 }
1157 
1158 TEST_F(tls, mutliproc_sendpage_even)
1159 {
1160 	test_mutliproc(_metadata, self, true, 6, 6);
1161 }
1162 
1163 TEST_F(tls, mutliproc_sendpage_readers)
1164 {
1165 	test_mutliproc(_metadata, self, true, 4, 12);
1166 }
1167 
1168 TEST_F(tls, mutliproc_sendpage_writers)
1169 {
1170 	test_mutliproc(_metadata, self, true, 10, 2);
1171 }
1172 
1173 TEST_F(tls, control_msg)
1174 {
1175 	if (self->notls)
1176 		return;
1177 
1178 	char cbuf[CMSG_SPACE(sizeof(char))];
1179 	char const *test_str = "test_read";
1180 	int cmsg_len = sizeof(char);
1181 	char record_type = 100;
1182 	struct cmsghdr *cmsg;
1183 	struct msghdr msg;
1184 	int send_len = 10;
1185 	struct iovec vec;
1186 	char buf[10];
1187 
1188 	vec.iov_base = (char *)test_str;
1189 	vec.iov_len = 10;
1190 	memset(&msg, 0, sizeof(struct msghdr));
1191 	msg.msg_iov = &vec;
1192 	msg.msg_iovlen = 1;
1193 	msg.msg_control = cbuf;
1194 	msg.msg_controllen = sizeof(cbuf);
1195 	cmsg = CMSG_FIRSTHDR(&msg);
1196 	cmsg->cmsg_level = SOL_TLS;
1197 	/* test sending non-record types. */
1198 	cmsg->cmsg_type = TLS_SET_RECORD_TYPE;
1199 	cmsg->cmsg_len = CMSG_LEN(cmsg_len);
1200 	*CMSG_DATA(cmsg) = record_type;
1201 	msg.msg_controllen = cmsg->cmsg_len;
1202 
1203 	EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len);
1204 	/* Should fail because we didn't provide a control message */
1205 	EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
1206 
1207 	vec.iov_base = buf;
1208 	EXPECT_EQ(recvmsg(self->cfd, &msg, MSG_WAITALL | MSG_PEEK), send_len);
1209 
1210 	cmsg = CMSG_FIRSTHDR(&msg);
1211 	EXPECT_NE(cmsg, NULL);
1212 	EXPECT_EQ(cmsg->cmsg_level, SOL_TLS);
1213 	EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);
1214 	record_type = *((unsigned char *)CMSG_DATA(cmsg));
1215 	EXPECT_EQ(record_type, 100);
1216 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1217 
1218 	/* Recv the message again without MSG_PEEK */
1219 	record_type = 0;
1220 	memset(buf, 0, sizeof(buf));
1221 
1222 	EXPECT_EQ(recvmsg(self->cfd, &msg, MSG_WAITALL), send_len);
1223 	cmsg = CMSG_FIRSTHDR(&msg);
1224 	EXPECT_NE(cmsg, NULL);
1225 	EXPECT_EQ(cmsg->cmsg_level, SOL_TLS);
1226 	EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);
1227 	record_type = *((unsigned char *)CMSG_DATA(cmsg));
1228 	EXPECT_EQ(record_type, 100);
1229 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1230 }
1231 
1232 TEST_F(tls, shutdown)
1233 {
1234 	char const *test_str = "test_read";
1235 	int send_len = 10;
1236 	char buf[10];
1237 
1238 	ASSERT_EQ(strlen(test_str) + 1, send_len);
1239 
1240 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1241 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
1242 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1243 
1244 	shutdown(self->fd, SHUT_RDWR);
1245 	shutdown(self->cfd, SHUT_RDWR);
1246 }
1247 
1248 TEST_F(tls, shutdown_unsent)
1249 {
1250 	char const *test_str = "test_read";
1251 	int send_len = 10;
1252 
1253 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
1254 
1255 	shutdown(self->fd, SHUT_RDWR);
1256 	shutdown(self->cfd, SHUT_RDWR);
1257 }
1258 
1259 TEST_F(tls, shutdown_reuse)
1260 {
1261 	struct sockaddr_in addr;
1262 	int ret;
1263 
1264 	shutdown(self->fd, SHUT_RDWR);
1265 	shutdown(self->cfd, SHUT_RDWR);
1266 	close(self->cfd);
1267 
1268 	addr.sin_family = AF_INET;
1269 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
1270 	addr.sin_port = 0;
1271 
1272 	ret = bind(self->fd, &addr, sizeof(addr));
1273 	EXPECT_EQ(ret, 0);
1274 	ret = listen(self->fd, 10);
1275 	EXPECT_EQ(ret, -1);
1276 	EXPECT_EQ(errno, EINVAL);
1277 
1278 	ret = connect(self->fd, &addr, sizeof(addr));
1279 	EXPECT_EQ(ret, -1);
1280 	EXPECT_EQ(errno, EISCONN);
1281 }
1282 
1283 TEST(non_established) {
1284 	struct tls12_crypto_info_aes_gcm_256 tls12;
1285 	struct sockaddr_in addr;
1286 	int sfd, ret, fd;
1287 	socklen_t len;
1288 
1289 	len = sizeof(addr);
1290 
1291 	memset(&tls12, 0, sizeof(tls12));
1292 	tls12.info.version = TLS_1_2_VERSION;
1293 	tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1294 
1295 	addr.sin_family = AF_INET;
1296 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
1297 	addr.sin_port = 0;
1298 
1299 	fd = socket(AF_INET, SOCK_STREAM, 0);
1300 	sfd = socket(AF_INET, SOCK_STREAM, 0);
1301 
1302 	ret = bind(sfd, &addr, sizeof(addr));
1303 	ASSERT_EQ(ret, 0);
1304 	ret = listen(sfd, 10);
1305 	ASSERT_EQ(ret, 0);
1306 
1307 	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1308 	EXPECT_EQ(ret, -1);
1309 	/* TLS ULP not supported */
1310 	if (errno == ENOENT)
1311 		return;
1312 	EXPECT_EQ(errno, ENOTCONN);
1313 
1314 	ret = setsockopt(sfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1315 	EXPECT_EQ(ret, -1);
1316 	EXPECT_EQ(errno, ENOTCONN);
1317 
1318 	ret = getsockname(sfd, &addr, &len);
1319 	ASSERT_EQ(ret, 0);
1320 
1321 	ret = connect(fd, &addr, sizeof(addr));
1322 	ASSERT_EQ(ret, 0);
1323 
1324 	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1325 	ASSERT_EQ(ret, 0);
1326 
1327 	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1328 	EXPECT_EQ(ret, -1);
1329 	EXPECT_EQ(errno, EEXIST);
1330 
1331 	close(fd);
1332 	close(sfd);
1333 }
1334 
1335 TEST(keysizes) {
1336 	struct tls12_crypto_info_aes_gcm_256 tls12;
1337 	struct sockaddr_in addr;
1338 	int sfd, ret, fd, cfd;
1339 	socklen_t len;
1340 	bool notls;
1341 
1342 	notls = false;
1343 	len = sizeof(addr);
1344 
1345 	memset(&tls12, 0, sizeof(tls12));
1346 	tls12.info.version = TLS_1_2_VERSION;
1347 	tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1348 
1349 	addr.sin_family = AF_INET;
1350 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
1351 	addr.sin_port = 0;
1352 
1353 	fd = socket(AF_INET, SOCK_STREAM, 0);
1354 	sfd = socket(AF_INET, SOCK_STREAM, 0);
1355 
1356 	ret = bind(sfd, &addr, sizeof(addr));
1357 	ASSERT_EQ(ret, 0);
1358 	ret = listen(sfd, 10);
1359 	ASSERT_EQ(ret, 0);
1360 
1361 	ret = getsockname(sfd, &addr, &len);
1362 	ASSERT_EQ(ret, 0);
1363 
1364 	ret = connect(fd, &addr, sizeof(addr));
1365 	ASSERT_EQ(ret, 0);
1366 
1367 	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1368 	if (ret != 0) {
1369 		notls = true;
1370 		printf("Failure setting TCP_ULP, testing without tls\n");
1371 	}
1372 
1373 	if (!notls) {
1374 		ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
1375 				 sizeof(tls12));
1376 		EXPECT_EQ(ret, 0);
1377 	}
1378 
1379 	cfd = accept(sfd, &addr, &len);
1380 	ASSERT_GE(cfd, 0);
1381 
1382 	if (!notls) {
1383 		ret = setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls",
1384 				 sizeof("tls"));
1385 		EXPECT_EQ(ret, 0);
1386 
1387 		ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
1388 				 sizeof(tls12));
1389 		EXPECT_EQ(ret, 0);
1390 	}
1391 
1392 	close(sfd);
1393 	close(fd);
1394 	close(cfd);
1395 }
1396 
1397 TEST_HARNESS_MAIN
1398