xref: /linux/tools/testing/selftests/net/tls.c (revision 02680c23d7b3febe45ea3d4f9818c2b2dc89020a)
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 FIXTURE(tls_basic)
29 {
30 	int fd, cfd;
31 	bool notls;
32 };
33 
34 FIXTURE_SETUP(tls_basic)
35 {
36 	struct sockaddr_in addr;
37 	socklen_t len;
38 	int sfd, ret;
39 
40 	self->notls = false;
41 	len = sizeof(addr);
42 
43 	addr.sin_family = AF_INET;
44 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
45 	addr.sin_port = 0;
46 
47 	self->fd = socket(AF_INET, SOCK_STREAM, 0);
48 	sfd = socket(AF_INET, SOCK_STREAM, 0);
49 
50 	ret = bind(sfd, &addr, sizeof(addr));
51 	ASSERT_EQ(ret, 0);
52 	ret = listen(sfd, 10);
53 	ASSERT_EQ(ret, 0);
54 
55 	ret = getsockname(sfd, &addr, &len);
56 	ASSERT_EQ(ret, 0);
57 
58 	ret = connect(self->fd, &addr, sizeof(addr));
59 	ASSERT_EQ(ret, 0);
60 
61 	self->cfd = accept(sfd, &addr, &len);
62 	ASSERT_GE(self->cfd, 0);
63 
64 	close(sfd);
65 
66 	ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
67 	if (ret != 0) {
68 		ASSERT_EQ(errno, ENOENT);
69 		self->notls = true;
70 		printf("Failure setting TCP_ULP, testing without tls\n");
71 		return;
72 	}
73 
74 	ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
75 	ASSERT_EQ(ret, 0);
76 }
77 
78 FIXTURE_TEARDOWN(tls_basic)
79 {
80 	close(self->fd);
81 	close(self->cfd);
82 }
83 
84 /* Send some data through with ULP but no keys */
85 TEST_F(tls_basic, base_base)
86 {
87 	char const *test_str = "test_read";
88 	int send_len = 10;
89 	char buf[10];
90 
91 	ASSERT_EQ(strlen(test_str) + 1, send_len);
92 
93 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
94 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
95 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
96 };
97 
98 FIXTURE(tls)
99 {
100 	int fd, cfd;
101 	bool notls;
102 };
103 
104 FIXTURE_VARIANT(tls)
105 {
106 	uint16_t tls_version;
107 	uint16_t cipher_type;
108 };
109 
110 FIXTURE_VARIANT_ADD(tls, 12_gcm)
111 {
112 	.tls_version = TLS_1_2_VERSION,
113 	.cipher_type = TLS_CIPHER_AES_GCM_128,
114 };
115 
116 FIXTURE_VARIANT_ADD(tls, 13_gcm)
117 {
118 	.tls_version = TLS_1_3_VERSION,
119 	.cipher_type = TLS_CIPHER_AES_GCM_128,
120 };
121 
122 FIXTURE_VARIANT_ADD(tls, 12_chacha)
123 {
124 	.tls_version = TLS_1_2_VERSION,
125 	.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
126 };
127 
128 FIXTURE_VARIANT_ADD(tls, 13_chacha)
129 {
130 	.tls_version = TLS_1_3_VERSION,
131 	.cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
132 };
133 
134 FIXTURE_SETUP(tls)
135 {
136 	union {
137 		struct tls12_crypto_info_aes_gcm_128 aes128;
138 		struct tls12_crypto_info_chacha20_poly1305 chacha20;
139 	} tls12;
140 	struct sockaddr_in addr;
141 	socklen_t len;
142 	int sfd, ret;
143 	size_t tls12_sz;
144 
145 	self->notls = false;
146 	len = sizeof(addr);
147 
148 	memset(&tls12, 0, sizeof(tls12));
149 	switch (variant->cipher_type) {
150 	case TLS_CIPHER_CHACHA20_POLY1305:
151 		tls12_sz = sizeof(struct tls12_crypto_info_chacha20_poly1305);
152 		tls12.chacha20.info.version = variant->tls_version;
153 		tls12.chacha20.info.cipher_type = variant->cipher_type;
154 		break;
155 	case TLS_CIPHER_AES_GCM_128:
156 		tls12_sz = sizeof(struct tls12_crypto_info_aes_gcm_128);
157 		tls12.aes128.info.version = variant->tls_version;
158 		tls12.aes128.info.cipher_type = variant->cipher_type;
159 		break;
160 	default:
161 		tls12_sz = 0;
162 	}
163 
164 	addr.sin_family = AF_INET;
165 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
166 	addr.sin_port = 0;
167 
168 	self->fd = socket(AF_INET, SOCK_STREAM, 0);
169 	sfd = socket(AF_INET, SOCK_STREAM, 0);
170 
171 	ret = bind(sfd, &addr, sizeof(addr));
172 	ASSERT_EQ(ret, 0);
173 	ret = listen(sfd, 10);
174 	ASSERT_EQ(ret, 0);
175 
176 	ret = getsockname(sfd, &addr, &len);
177 	ASSERT_EQ(ret, 0);
178 
179 	ret = connect(self->fd, &addr, sizeof(addr));
180 	ASSERT_EQ(ret, 0);
181 
182 	ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
183 	if (ret != 0) {
184 		self->notls = true;
185 		printf("Failure setting TCP_ULP, testing without tls\n");
186 	}
187 
188 	if (!self->notls) {
189 		ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12,
190 				 tls12_sz);
191 		ASSERT_EQ(ret, 0);
192 	}
193 
194 	self->cfd = accept(sfd, &addr, &len);
195 	ASSERT_GE(self->cfd, 0);
196 
197 	if (!self->notls) {
198 		ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls",
199 				 sizeof("tls"));
200 		ASSERT_EQ(ret, 0);
201 
202 		ret = setsockopt(self->cfd, SOL_TLS, TLS_RX, &tls12,
203 				 tls12_sz);
204 		ASSERT_EQ(ret, 0);
205 	}
206 
207 	close(sfd);
208 }
209 
210 FIXTURE_TEARDOWN(tls)
211 {
212 	close(self->fd);
213 	close(self->cfd);
214 }
215 
216 TEST_F(tls, sendfile)
217 {
218 	int filefd = open("/proc/self/exe", O_RDONLY);
219 	struct stat st;
220 
221 	EXPECT_GE(filefd, 0);
222 	fstat(filefd, &st);
223 	EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
224 }
225 
226 TEST_F(tls, send_then_sendfile)
227 {
228 	int filefd = open("/proc/self/exe", O_RDONLY);
229 	char const *test_str = "test_send";
230 	int to_send = strlen(test_str) + 1;
231 	char recv_buf[10];
232 	struct stat st;
233 	char *buf;
234 
235 	EXPECT_GE(filefd, 0);
236 	fstat(filefd, &st);
237 	buf = (char *)malloc(st.st_size);
238 
239 	EXPECT_EQ(send(self->fd, test_str, to_send, 0), to_send);
240 	EXPECT_EQ(recv(self->cfd, recv_buf, to_send, MSG_WAITALL), to_send);
241 	EXPECT_EQ(memcmp(test_str, recv_buf, to_send), 0);
242 
243 	EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
244 	EXPECT_EQ(recv(self->cfd, buf, st.st_size, MSG_WAITALL), st.st_size);
245 }
246 
247 static void chunked_sendfile(struct __test_metadata *_metadata,
248 			     struct _test_data_tls *self,
249 			     uint16_t chunk_size,
250 			     uint16_t extra_payload_size)
251 {
252 	char buf[TLS_PAYLOAD_MAX_LEN];
253 	uint16_t test_payload_size;
254 	int size = 0;
255 	int ret;
256 	char filename[] = "/tmp/mytemp.XXXXXX";
257 	int fd = mkstemp(filename);
258 	off_t offset = 0;
259 
260 	unlink(filename);
261 	ASSERT_GE(fd, 0);
262 	EXPECT_GE(chunk_size, 1);
263 	test_payload_size = chunk_size + extra_payload_size;
264 	ASSERT_GE(TLS_PAYLOAD_MAX_LEN, test_payload_size);
265 	memset(buf, 1, test_payload_size);
266 	size = write(fd, buf, test_payload_size);
267 	EXPECT_EQ(size, test_payload_size);
268 	fsync(fd);
269 
270 	while (size > 0) {
271 		ret = sendfile(self->fd, fd, &offset, chunk_size);
272 		EXPECT_GE(ret, 0);
273 		size -= ret;
274 	}
275 
276 	EXPECT_EQ(recv(self->cfd, buf, test_payload_size, MSG_WAITALL),
277 		  test_payload_size);
278 
279 	close(fd);
280 }
281 
282 TEST_F(tls, multi_chunk_sendfile)
283 {
284 	chunked_sendfile(_metadata, self, 4096, 4096);
285 	chunked_sendfile(_metadata, self, 4096, 0);
286 	chunked_sendfile(_metadata, self, 4096, 1);
287 	chunked_sendfile(_metadata, self, 4096, 2048);
288 	chunked_sendfile(_metadata, self, 8192, 2048);
289 	chunked_sendfile(_metadata, self, 4096, 8192);
290 	chunked_sendfile(_metadata, self, 8192, 4096);
291 	chunked_sendfile(_metadata, self, 12288, 1024);
292 	chunked_sendfile(_metadata, self, 12288, 2000);
293 	chunked_sendfile(_metadata, self, 15360, 100);
294 	chunked_sendfile(_metadata, self, 15360, 300);
295 	chunked_sendfile(_metadata, self, 1, 4096);
296 	chunked_sendfile(_metadata, self, 2048, 4096);
297 	chunked_sendfile(_metadata, self, 2048, 8192);
298 	chunked_sendfile(_metadata, self, 4096, 8192);
299 	chunked_sendfile(_metadata, self, 1024, 12288);
300 	chunked_sendfile(_metadata, self, 2000, 12288);
301 	chunked_sendfile(_metadata, self, 100, 15360);
302 	chunked_sendfile(_metadata, self, 300, 15360);
303 }
304 
305 TEST_F(tls, recv_max)
306 {
307 	unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
308 	char recv_mem[TLS_PAYLOAD_MAX_LEN];
309 	char buf[TLS_PAYLOAD_MAX_LEN];
310 
311 	EXPECT_GE(send(self->fd, buf, send_len, 0), 0);
312 	EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
313 	EXPECT_EQ(memcmp(buf, recv_mem, send_len), 0);
314 }
315 
316 TEST_F(tls, recv_small)
317 {
318 	char const *test_str = "test_read";
319 	int send_len = 10;
320 	char buf[10];
321 
322 	send_len = strlen(test_str) + 1;
323 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
324 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
325 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
326 }
327 
328 TEST_F(tls, msg_more)
329 {
330 	char const *test_str = "test_read";
331 	int send_len = 10;
332 	char buf[10 * 2];
333 
334 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
335 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
336 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
337 	EXPECT_EQ(recv(self->cfd, buf, send_len * 2, MSG_WAITALL),
338 		  send_len * 2);
339 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
340 }
341 
342 TEST_F(tls, msg_more_unsent)
343 {
344 	char const *test_str = "test_read";
345 	int send_len = 10;
346 	char buf[10];
347 
348 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
349 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
350 }
351 
352 TEST_F(tls, sendmsg_single)
353 {
354 	struct msghdr msg;
355 
356 	char const *test_str = "test_sendmsg";
357 	size_t send_len = 13;
358 	struct iovec vec;
359 	char buf[13];
360 
361 	vec.iov_base = (char *)test_str;
362 	vec.iov_len = send_len;
363 	memset(&msg, 0, sizeof(struct msghdr));
364 	msg.msg_iov = &vec;
365 	msg.msg_iovlen = 1;
366 	EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len);
367 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len);
368 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
369 }
370 
371 #define MAX_FRAGS	64
372 #define SEND_LEN	13
373 TEST_F(tls, sendmsg_fragmented)
374 {
375 	char const *test_str = "test_sendmsg";
376 	char buf[SEND_LEN * MAX_FRAGS];
377 	struct iovec vec[MAX_FRAGS];
378 	struct msghdr msg;
379 	int i, frags;
380 
381 	for (frags = 1; frags <= MAX_FRAGS; frags++) {
382 		for (i = 0; i < frags; i++) {
383 			vec[i].iov_base = (char *)test_str;
384 			vec[i].iov_len = SEND_LEN;
385 		}
386 
387 		memset(&msg, 0, sizeof(struct msghdr));
388 		msg.msg_iov = vec;
389 		msg.msg_iovlen = frags;
390 
391 		EXPECT_EQ(sendmsg(self->fd, &msg, 0), SEND_LEN * frags);
392 		EXPECT_EQ(recv(self->cfd, buf, SEND_LEN * frags, MSG_WAITALL),
393 			  SEND_LEN * frags);
394 
395 		for (i = 0; i < frags; i++)
396 			EXPECT_EQ(memcmp(buf + SEND_LEN * i,
397 					 test_str, SEND_LEN), 0);
398 	}
399 }
400 #undef MAX_FRAGS
401 #undef SEND_LEN
402 
403 TEST_F(tls, sendmsg_large)
404 {
405 	void *mem = malloc(16384);
406 	size_t send_len = 16384;
407 	size_t sends = 128;
408 	struct msghdr msg;
409 	size_t recvs = 0;
410 	size_t sent = 0;
411 
412 	memset(&msg, 0, sizeof(struct msghdr));
413 	while (sent++ < sends) {
414 		struct iovec vec = { (void *)mem, send_len };
415 
416 		msg.msg_iov = &vec;
417 		msg.msg_iovlen = 1;
418 		EXPECT_EQ(sendmsg(self->cfd, &msg, 0), send_len);
419 	}
420 
421 	while (recvs++ < sends)
422 		EXPECT_NE(recv(self->fd, mem, send_len, 0), -1);
423 
424 	free(mem);
425 }
426 
427 TEST_F(tls, sendmsg_multiple)
428 {
429 	char const *test_str = "test_sendmsg_multiple";
430 	struct iovec vec[5];
431 	char *test_strs[5];
432 	struct msghdr msg;
433 	int total_len = 0;
434 	int len_cmp = 0;
435 	int iov_len = 5;
436 	char *buf;
437 	int i;
438 
439 	memset(&msg, 0, sizeof(struct msghdr));
440 	for (i = 0; i < iov_len; i++) {
441 		test_strs[i] = (char *)malloc(strlen(test_str) + 1);
442 		snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str);
443 		vec[i].iov_base = (void *)test_strs[i];
444 		vec[i].iov_len = strlen(test_strs[i]) + 1;
445 		total_len += vec[i].iov_len;
446 	}
447 	msg.msg_iov = vec;
448 	msg.msg_iovlen = iov_len;
449 
450 	EXPECT_EQ(sendmsg(self->cfd, &msg, 0), total_len);
451 	buf = malloc(total_len);
452 	EXPECT_NE(recv(self->fd, buf, total_len, 0), -1);
453 	for (i = 0; i < iov_len; i++) {
454 		EXPECT_EQ(memcmp(test_strs[i], buf + len_cmp,
455 				 strlen(test_strs[i])),
456 			  0);
457 		len_cmp += strlen(buf + len_cmp) + 1;
458 	}
459 	for (i = 0; i < iov_len; i++)
460 		free(test_strs[i]);
461 	free(buf);
462 }
463 
464 TEST_F(tls, sendmsg_multiple_stress)
465 {
466 	char const *test_str = "abcdefghijklmno";
467 	struct iovec vec[1024];
468 	char *test_strs[1024];
469 	int iov_len = 1024;
470 	int total_len = 0;
471 	char buf[1 << 14];
472 	struct msghdr msg;
473 	int len_cmp = 0;
474 	int i;
475 
476 	memset(&msg, 0, sizeof(struct msghdr));
477 	for (i = 0; i < iov_len; i++) {
478 		test_strs[i] = (char *)malloc(strlen(test_str) + 1);
479 		snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str);
480 		vec[i].iov_base = (void *)test_strs[i];
481 		vec[i].iov_len = strlen(test_strs[i]) + 1;
482 		total_len += vec[i].iov_len;
483 	}
484 	msg.msg_iov = vec;
485 	msg.msg_iovlen = iov_len;
486 
487 	EXPECT_EQ(sendmsg(self->fd, &msg, 0), total_len);
488 	EXPECT_NE(recv(self->cfd, buf, total_len, 0), -1);
489 
490 	for (i = 0; i < iov_len; i++)
491 		len_cmp += strlen(buf + len_cmp) + 1;
492 
493 	for (i = 0; i < iov_len; i++)
494 		free(test_strs[i]);
495 }
496 
497 TEST_F(tls, splice_from_pipe)
498 {
499 	int send_len = TLS_PAYLOAD_MAX_LEN;
500 	char mem_send[TLS_PAYLOAD_MAX_LEN];
501 	char mem_recv[TLS_PAYLOAD_MAX_LEN];
502 	int p[2];
503 
504 	ASSERT_GE(pipe(p), 0);
505 	EXPECT_GE(write(p[1], mem_send, send_len), 0);
506 	EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), 0);
507 	EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
508 	EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
509 }
510 
511 TEST_F(tls, splice_from_pipe2)
512 {
513 	int send_len = 16000;
514 	char mem_send[16000];
515 	char mem_recv[16000];
516 	int p2[2];
517 	int p[2];
518 
519 	ASSERT_GE(pipe(p), 0);
520 	ASSERT_GE(pipe(p2), 0);
521 	EXPECT_GE(write(p[1], mem_send, 8000), 0);
522 	EXPECT_GE(splice(p[0], NULL, self->fd, NULL, 8000, 0), 0);
523 	EXPECT_GE(write(p2[1], mem_send + 8000, 8000), 0);
524 	EXPECT_GE(splice(p2[0], NULL, self->fd, NULL, 8000, 0), 0);
525 	EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
526 	EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
527 }
528 
529 TEST_F(tls, send_and_splice)
530 {
531 	int send_len = TLS_PAYLOAD_MAX_LEN;
532 	char mem_send[TLS_PAYLOAD_MAX_LEN];
533 	char mem_recv[TLS_PAYLOAD_MAX_LEN];
534 	char const *test_str = "test_read";
535 	int send_len2 = 10;
536 	char buf[10];
537 	int p[2];
538 
539 	ASSERT_GE(pipe(p), 0);
540 	EXPECT_EQ(send(self->fd, test_str, send_len2, 0), send_len2);
541 	EXPECT_EQ(recv(self->cfd, buf, send_len2, MSG_WAITALL), send_len2);
542 	EXPECT_EQ(memcmp(test_str, buf, send_len2), 0);
543 
544 	EXPECT_GE(write(p[1], mem_send, send_len), send_len);
545 	EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), send_len);
546 
547 	EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
548 	EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
549 }
550 
551 TEST_F(tls, splice_to_pipe)
552 {
553 	int send_len = TLS_PAYLOAD_MAX_LEN;
554 	char mem_send[TLS_PAYLOAD_MAX_LEN];
555 	char mem_recv[TLS_PAYLOAD_MAX_LEN];
556 	int p[2];
557 
558 	ASSERT_GE(pipe(p), 0);
559 	EXPECT_GE(send(self->fd, mem_send, send_len, 0), 0);
560 	EXPECT_GE(splice(self->cfd, NULL, p[1], NULL, send_len, 0), 0);
561 	EXPECT_GE(read(p[0], mem_recv, send_len), 0);
562 	EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
563 }
564 
565 TEST_F(tls, recvmsg_single)
566 {
567 	char const *test_str = "test_recvmsg_single";
568 	int send_len = strlen(test_str) + 1;
569 	char buf[20];
570 	struct msghdr hdr;
571 	struct iovec vec;
572 
573 	memset(&hdr, 0, sizeof(hdr));
574 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
575 	vec.iov_base = (char *)buf;
576 	vec.iov_len = send_len;
577 	hdr.msg_iovlen = 1;
578 	hdr.msg_iov = &vec;
579 	EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
580 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
581 }
582 
583 TEST_F(tls, recvmsg_single_max)
584 {
585 	int send_len = TLS_PAYLOAD_MAX_LEN;
586 	char send_mem[TLS_PAYLOAD_MAX_LEN];
587 	char recv_mem[TLS_PAYLOAD_MAX_LEN];
588 	struct iovec vec;
589 	struct msghdr hdr;
590 
591 	EXPECT_EQ(send(self->fd, send_mem, send_len, 0), send_len);
592 	vec.iov_base = (char *)recv_mem;
593 	vec.iov_len = TLS_PAYLOAD_MAX_LEN;
594 
595 	hdr.msg_iovlen = 1;
596 	hdr.msg_iov = &vec;
597 	EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
598 	EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
599 }
600 
601 TEST_F(tls, recvmsg_multiple)
602 {
603 	unsigned int msg_iovlen = 1024;
604 	unsigned int len_compared = 0;
605 	struct iovec vec[1024];
606 	char *iov_base[1024];
607 	unsigned int iov_len = 16;
608 	int send_len = 1 << 14;
609 	char buf[1 << 14];
610 	struct msghdr hdr;
611 	int i;
612 
613 	EXPECT_EQ(send(self->fd, buf, send_len, 0), send_len);
614 	for (i = 0; i < msg_iovlen; i++) {
615 		iov_base[i] = (char *)malloc(iov_len);
616 		vec[i].iov_base = iov_base[i];
617 		vec[i].iov_len = iov_len;
618 	}
619 
620 	hdr.msg_iovlen = msg_iovlen;
621 	hdr.msg_iov = vec;
622 	EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
623 	for (i = 0; i < msg_iovlen; i++)
624 		len_compared += iov_len;
625 
626 	for (i = 0; i < msg_iovlen; i++)
627 		free(iov_base[i]);
628 }
629 
630 TEST_F(tls, single_send_multiple_recv)
631 {
632 	unsigned int total_len = TLS_PAYLOAD_MAX_LEN * 2;
633 	unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
634 	char send_mem[TLS_PAYLOAD_MAX_LEN * 2];
635 	char recv_mem[TLS_PAYLOAD_MAX_LEN * 2];
636 
637 	EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
638 	memset(recv_mem, 0, total_len);
639 
640 	EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
641 	EXPECT_NE(recv(self->cfd, recv_mem + send_len, send_len, 0), -1);
642 	EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
643 }
644 
645 TEST_F(tls, multiple_send_single_recv)
646 {
647 	unsigned int total_len = 2 * 10;
648 	unsigned int send_len = 10;
649 	char recv_mem[2 * 10];
650 	char send_mem[10];
651 
652 	EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
653 	EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
654 	memset(recv_mem, 0, total_len);
655 	EXPECT_EQ(recv(self->cfd, recv_mem, total_len, MSG_WAITALL), total_len);
656 
657 	EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
658 	EXPECT_EQ(memcmp(send_mem, recv_mem + send_len, send_len), 0);
659 }
660 
661 TEST_F(tls, single_send_multiple_recv_non_align)
662 {
663 	const unsigned int total_len = 15;
664 	const unsigned int recv_len = 10;
665 	char recv_mem[recv_len * 2];
666 	char send_mem[total_len];
667 
668 	EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
669 	memset(recv_mem, 0, total_len);
670 
671 	EXPECT_EQ(recv(self->cfd, recv_mem, recv_len, 0), recv_len);
672 	EXPECT_EQ(recv(self->cfd, recv_mem + recv_len, recv_len, 0), 5);
673 	EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
674 }
675 
676 TEST_F(tls, recv_partial)
677 {
678 	char const *test_str = "test_read_partial";
679 	char const *test_str_first = "test_read";
680 	char const *test_str_second = "_partial";
681 	int send_len = strlen(test_str) + 1;
682 	char recv_mem[18];
683 
684 	memset(recv_mem, 0, sizeof(recv_mem));
685 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
686 	EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_first),
687 		       MSG_WAITALL), -1);
688 	EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0);
689 	memset(recv_mem, 0, sizeof(recv_mem));
690 	EXPECT_NE(recv(self->cfd, recv_mem, strlen(test_str_second),
691 		       MSG_WAITALL), -1);
692 	EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)),
693 		  0);
694 }
695 
696 TEST_F(tls, recv_nonblock)
697 {
698 	char buf[4096];
699 	bool err;
700 
701 	EXPECT_EQ(recv(self->cfd, buf, sizeof(buf), MSG_DONTWAIT), -1);
702 	err = (errno == EAGAIN || errno == EWOULDBLOCK);
703 	EXPECT_EQ(err, true);
704 }
705 
706 TEST_F(tls, recv_peek)
707 {
708 	char const *test_str = "test_read_peek";
709 	int send_len = strlen(test_str) + 1;
710 	char buf[15];
711 
712 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
713 	EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
714 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
715 	memset(buf, 0, sizeof(buf));
716 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
717 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
718 }
719 
720 TEST_F(tls, recv_peek_multiple)
721 {
722 	char const *test_str = "test_read_peek";
723 	int send_len = strlen(test_str) + 1;
724 	unsigned int num_peeks = 100;
725 	char buf[15];
726 	int i;
727 
728 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
729 	for (i = 0; i < num_peeks; i++) {
730 		EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
731 		EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
732 		memset(buf, 0, sizeof(buf));
733 	}
734 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
735 	EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
736 }
737 
738 TEST_F(tls, recv_peek_multiple_records)
739 {
740 	char const *test_str = "test_read_peek_mult_recs";
741 	char const *test_str_first = "test_read_peek";
742 	char const *test_str_second = "_mult_recs";
743 	int len;
744 	char buf[64];
745 
746 	len = strlen(test_str_first);
747 	EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
748 
749 	len = strlen(test_str_second) + 1;
750 	EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
751 
752 	len = strlen(test_str_first);
753 	memset(buf, 0, len);
754 	EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len);
755 
756 	/* MSG_PEEK can only peek into the current record. */
757 	len = strlen(test_str_first);
758 	EXPECT_EQ(memcmp(test_str_first, buf, len), 0);
759 
760 	len = strlen(test_str) + 1;
761 	memset(buf, 0, len);
762 	EXPECT_EQ(recv(self->cfd, buf, len, MSG_WAITALL), len);
763 
764 	/* Non-MSG_PEEK will advance strparser (and therefore record)
765 	 * however.
766 	 */
767 	len = strlen(test_str) + 1;
768 	EXPECT_EQ(memcmp(test_str, buf, len), 0);
769 
770 	/* MSG_MORE will hold current record open, so later MSG_PEEK
771 	 * will see everything.
772 	 */
773 	len = strlen(test_str_first);
774 	EXPECT_EQ(send(self->fd, test_str_first, len, MSG_MORE), len);
775 
776 	len = strlen(test_str_second) + 1;
777 	EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
778 
779 	len = strlen(test_str) + 1;
780 	memset(buf, 0, len);
781 	EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len);
782 
783 	len = strlen(test_str) + 1;
784 	EXPECT_EQ(memcmp(test_str, buf, len), 0);
785 }
786 
787 TEST_F(tls, recv_peek_large_buf_mult_recs)
788 {
789 	char const *test_str = "test_read_peek_mult_recs";
790 	char const *test_str_first = "test_read_peek";
791 	char const *test_str_second = "_mult_recs";
792 	int len;
793 	char buf[64];
794 
795 	len = strlen(test_str_first);
796 	EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
797 
798 	len = strlen(test_str_second) + 1;
799 	EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
800 
801 	len = strlen(test_str) + 1;
802 	memset(buf, 0, len);
803 	EXPECT_NE((len = recv(self->cfd, buf, len,
804 			      MSG_PEEK | MSG_WAITALL)), -1);
805 	len = strlen(test_str) + 1;
806 	EXPECT_EQ(memcmp(test_str, buf, len), 0);
807 }
808 
809 TEST_F(tls, recv_lowat)
810 {
811 	char send_mem[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
812 	char recv_mem[20];
813 	int lowat = 8;
814 
815 	EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10);
816 	EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5);
817 
818 	memset(recv_mem, 0, 20);
819 	EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVLOWAT,
820 			     &lowat, sizeof(lowat)), 0);
821 	EXPECT_EQ(recv(self->cfd, recv_mem, 1, MSG_WAITALL), 1);
822 	EXPECT_EQ(recv(self->cfd, recv_mem + 1, 6, MSG_WAITALL), 6);
823 	EXPECT_EQ(recv(self->cfd, recv_mem + 7, 10, 0), 8);
824 
825 	EXPECT_EQ(memcmp(send_mem, recv_mem, 10), 0);
826 	EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0);
827 }
828 
829 TEST_F(tls, bidir)
830 {
831 	char const *test_str = "test_read";
832 	int send_len = 10;
833 	char buf[10];
834 	int ret;
835 
836 	if (!self->notls) {
837 		struct tls12_crypto_info_aes_gcm_128 tls12;
838 
839 		memset(&tls12, 0, sizeof(tls12));
840 		tls12.info.version = variant->tls_version;
841 		tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
842 
843 		ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12,
844 				 sizeof(tls12));
845 		ASSERT_EQ(ret, 0);
846 
847 		ret = setsockopt(self->cfd, SOL_TLS, TLS_TX, &tls12,
848 				 sizeof(tls12));
849 		ASSERT_EQ(ret, 0);
850 	}
851 
852 	ASSERT_EQ(strlen(test_str) + 1, send_len);
853 
854 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
855 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
856 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
857 
858 	memset(buf, 0, sizeof(buf));
859 
860 	EXPECT_EQ(send(self->cfd, test_str, send_len, 0), send_len);
861 	EXPECT_NE(recv(self->fd, buf, send_len, 0), -1);
862 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
863 };
864 
865 TEST_F(tls, pollin)
866 {
867 	char const *test_str = "test_poll";
868 	struct pollfd fd = { 0, 0, 0 };
869 	char buf[10];
870 	int send_len = 10;
871 
872 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
873 	fd.fd = self->cfd;
874 	fd.events = POLLIN;
875 
876 	EXPECT_EQ(poll(&fd, 1, 20), 1);
877 	EXPECT_EQ(fd.revents & POLLIN, 1);
878 	EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len);
879 	/* Test timing out */
880 	EXPECT_EQ(poll(&fd, 1, 20), 0);
881 }
882 
883 TEST_F(tls, poll_wait)
884 {
885 	char const *test_str = "test_poll_wait";
886 	int send_len = strlen(test_str) + 1;
887 	struct pollfd fd = { 0, 0, 0 };
888 	char recv_mem[15];
889 
890 	fd.fd = self->cfd;
891 	fd.events = POLLIN;
892 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
893 	/* Set timeout to inf. secs */
894 	EXPECT_EQ(poll(&fd, 1, -1), 1);
895 	EXPECT_EQ(fd.revents & POLLIN, 1);
896 	EXPECT_EQ(recv(self->cfd, recv_mem, send_len, MSG_WAITALL), send_len);
897 }
898 
899 TEST_F(tls, poll_wait_split)
900 {
901 	struct pollfd fd = { 0, 0, 0 };
902 	char send_mem[20] = {};
903 	char recv_mem[15];
904 
905 	fd.fd = self->cfd;
906 	fd.events = POLLIN;
907 	/* Send 20 bytes */
908 	EXPECT_EQ(send(self->fd, send_mem, sizeof(send_mem), 0),
909 		  sizeof(send_mem));
910 	/* Poll with inf. timeout */
911 	EXPECT_EQ(poll(&fd, 1, -1), 1);
912 	EXPECT_EQ(fd.revents & POLLIN, 1);
913 	EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), MSG_WAITALL),
914 		  sizeof(recv_mem));
915 
916 	/* Now the remaining 5 bytes of record data are in TLS ULP */
917 	fd.fd = self->cfd;
918 	fd.events = POLLIN;
919 	EXPECT_EQ(poll(&fd, 1, -1), 1);
920 	EXPECT_EQ(fd.revents & POLLIN, 1);
921 	EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0),
922 		  sizeof(send_mem) - sizeof(recv_mem));
923 }
924 
925 TEST_F(tls, blocking)
926 {
927 	size_t data = 100000;
928 	int res = fork();
929 
930 	EXPECT_NE(res, -1);
931 
932 	if (res) {
933 		/* parent */
934 		size_t left = data;
935 		char buf[16384];
936 		int status;
937 		int pid2;
938 
939 		while (left) {
940 			int res = send(self->fd, buf,
941 				       left > 16384 ? 16384 : left, 0);
942 
943 			EXPECT_GE(res, 0);
944 			left -= res;
945 		}
946 
947 		pid2 = wait(&status);
948 		EXPECT_EQ(status, 0);
949 		EXPECT_EQ(res, pid2);
950 	} else {
951 		/* child */
952 		size_t left = data;
953 		char buf[16384];
954 
955 		while (left) {
956 			int res = recv(self->cfd, buf,
957 				       left > 16384 ? 16384 : left, 0);
958 
959 			EXPECT_GE(res, 0);
960 			left -= res;
961 		}
962 	}
963 }
964 
965 TEST_F(tls, nonblocking)
966 {
967 	size_t data = 100000;
968 	int sendbuf = 100;
969 	int flags;
970 	int res;
971 
972 	flags = fcntl(self->fd, F_GETFL, 0);
973 	fcntl(self->fd, F_SETFL, flags | O_NONBLOCK);
974 	fcntl(self->cfd, F_SETFL, flags | O_NONBLOCK);
975 
976 	/* Ensure nonblocking behavior by imposing a small send
977 	 * buffer.
978 	 */
979 	EXPECT_EQ(setsockopt(self->fd, SOL_SOCKET, SO_SNDBUF,
980 			     &sendbuf, sizeof(sendbuf)), 0);
981 
982 	res = fork();
983 	EXPECT_NE(res, -1);
984 
985 	if (res) {
986 		/* parent */
987 		bool eagain = false;
988 		size_t left = data;
989 		char buf[16384];
990 		int status;
991 		int pid2;
992 
993 		while (left) {
994 			int res = send(self->fd, buf,
995 				       left > 16384 ? 16384 : left, 0);
996 
997 			if (res == -1 && errno == EAGAIN) {
998 				eagain = true;
999 				usleep(10000);
1000 				continue;
1001 			}
1002 			EXPECT_GE(res, 0);
1003 			left -= res;
1004 		}
1005 
1006 		EXPECT_TRUE(eagain);
1007 		pid2 = wait(&status);
1008 
1009 		EXPECT_EQ(status, 0);
1010 		EXPECT_EQ(res, pid2);
1011 	} else {
1012 		/* child */
1013 		bool eagain = false;
1014 		size_t left = data;
1015 		char buf[16384];
1016 
1017 		while (left) {
1018 			int res = recv(self->cfd, buf,
1019 				       left > 16384 ? 16384 : left, 0);
1020 
1021 			if (res == -1 && errno == EAGAIN) {
1022 				eagain = true;
1023 				usleep(10000);
1024 				continue;
1025 			}
1026 			EXPECT_GE(res, 0);
1027 			left -= res;
1028 		}
1029 		EXPECT_TRUE(eagain);
1030 	}
1031 }
1032 
1033 static void
1034 test_mutliproc(struct __test_metadata *_metadata, struct _test_data_tls *self,
1035 	       bool sendpg, unsigned int n_readers, unsigned int n_writers)
1036 {
1037 	const unsigned int n_children = n_readers + n_writers;
1038 	const size_t data = 6 * 1000 * 1000;
1039 	const size_t file_sz = data / 100;
1040 	size_t read_bias, write_bias;
1041 	int i, fd, child_id;
1042 	char buf[file_sz];
1043 	pid_t pid;
1044 
1045 	/* Only allow multiples for simplicity */
1046 	ASSERT_EQ(!(n_readers % n_writers) || !(n_writers % n_readers), true);
1047 	read_bias = n_writers / n_readers ?: 1;
1048 	write_bias = n_readers / n_writers ?: 1;
1049 
1050 	/* prep a file to send */
1051 	fd = open("/tmp/", O_TMPFILE | O_RDWR, 0600);
1052 	ASSERT_GE(fd, 0);
1053 
1054 	memset(buf, 0xac, file_sz);
1055 	ASSERT_EQ(write(fd, buf, file_sz), file_sz);
1056 
1057 	/* spawn children */
1058 	for (child_id = 0; child_id < n_children; child_id++) {
1059 		pid = fork();
1060 		ASSERT_NE(pid, -1);
1061 		if (!pid)
1062 			break;
1063 	}
1064 
1065 	/* parent waits for all children */
1066 	if (pid) {
1067 		for (i = 0; i < n_children; i++) {
1068 			int status;
1069 
1070 			wait(&status);
1071 			EXPECT_EQ(status, 0);
1072 		}
1073 
1074 		return;
1075 	}
1076 
1077 	/* Split threads for reading and writing */
1078 	if (child_id < n_readers) {
1079 		size_t left = data * read_bias;
1080 		char rb[8001];
1081 
1082 		while (left) {
1083 			int res;
1084 
1085 			res = recv(self->cfd, rb,
1086 				   left > sizeof(rb) ? sizeof(rb) : left, 0);
1087 
1088 			EXPECT_GE(res, 0);
1089 			left -= res;
1090 		}
1091 	} else {
1092 		size_t left = data * write_bias;
1093 
1094 		while (left) {
1095 			int res;
1096 
1097 			ASSERT_EQ(lseek(fd, 0, SEEK_SET), 0);
1098 			if (sendpg)
1099 				res = sendfile(self->fd, fd, NULL,
1100 					       left > file_sz ? file_sz : left);
1101 			else
1102 				res = send(self->fd, buf,
1103 					   left > file_sz ? file_sz : left, 0);
1104 
1105 			EXPECT_GE(res, 0);
1106 			left -= res;
1107 		}
1108 	}
1109 }
1110 
1111 TEST_F(tls, mutliproc_even)
1112 {
1113 	test_mutliproc(_metadata, self, false, 6, 6);
1114 }
1115 
1116 TEST_F(tls, mutliproc_readers)
1117 {
1118 	test_mutliproc(_metadata, self, false, 4, 12);
1119 }
1120 
1121 TEST_F(tls, mutliproc_writers)
1122 {
1123 	test_mutliproc(_metadata, self, false, 10, 2);
1124 }
1125 
1126 TEST_F(tls, mutliproc_sendpage_even)
1127 {
1128 	test_mutliproc(_metadata, self, true, 6, 6);
1129 }
1130 
1131 TEST_F(tls, mutliproc_sendpage_readers)
1132 {
1133 	test_mutliproc(_metadata, self, true, 4, 12);
1134 }
1135 
1136 TEST_F(tls, mutliproc_sendpage_writers)
1137 {
1138 	test_mutliproc(_metadata, self, true, 10, 2);
1139 }
1140 
1141 TEST_F(tls, control_msg)
1142 {
1143 	if (self->notls)
1144 		return;
1145 
1146 	char cbuf[CMSG_SPACE(sizeof(char))];
1147 	char const *test_str = "test_read";
1148 	int cmsg_len = sizeof(char);
1149 	char record_type = 100;
1150 	struct cmsghdr *cmsg;
1151 	struct msghdr msg;
1152 	int send_len = 10;
1153 	struct iovec vec;
1154 	char buf[10];
1155 
1156 	vec.iov_base = (char *)test_str;
1157 	vec.iov_len = 10;
1158 	memset(&msg, 0, sizeof(struct msghdr));
1159 	msg.msg_iov = &vec;
1160 	msg.msg_iovlen = 1;
1161 	msg.msg_control = cbuf;
1162 	msg.msg_controllen = sizeof(cbuf);
1163 	cmsg = CMSG_FIRSTHDR(&msg);
1164 	cmsg->cmsg_level = SOL_TLS;
1165 	/* test sending non-record types. */
1166 	cmsg->cmsg_type = TLS_SET_RECORD_TYPE;
1167 	cmsg->cmsg_len = CMSG_LEN(cmsg_len);
1168 	*CMSG_DATA(cmsg) = record_type;
1169 	msg.msg_controllen = cmsg->cmsg_len;
1170 
1171 	EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len);
1172 	/* Should fail because we didn't provide a control message */
1173 	EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
1174 
1175 	vec.iov_base = buf;
1176 	EXPECT_EQ(recvmsg(self->cfd, &msg, MSG_WAITALL | MSG_PEEK), send_len);
1177 
1178 	cmsg = CMSG_FIRSTHDR(&msg);
1179 	EXPECT_NE(cmsg, NULL);
1180 	EXPECT_EQ(cmsg->cmsg_level, SOL_TLS);
1181 	EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);
1182 	record_type = *((unsigned char *)CMSG_DATA(cmsg));
1183 	EXPECT_EQ(record_type, 100);
1184 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1185 
1186 	/* Recv the message again without MSG_PEEK */
1187 	record_type = 0;
1188 	memset(buf, 0, sizeof(buf));
1189 
1190 	EXPECT_EQ(recvmsg(self->cfd, &msg, MSG_WAITALL), send_len);
1191 	cmsg = CMSG_FIRSTHDR(&msg);
1192 	EXPECT_NE(cmsg, NULL);
1193 	EXPECT_EQ(cmsg->cmsg_level, SOL_TLS);
1194 	EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);
1195 	record_type = *((unsigned char *)CMSG_DATA(cmsg));
1196 	EXPECT_EQ(record_type, 100);
1197 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1198 }
1199 
1200 TEST_F(tls, shutdown)
1201 {
1202 	char const *test_str = "test_read";
1203 	int send_len = 10;
1204 	char buf[10];
1205 
1206 	ASSERT_EQ(strlen(test_str) + 1, send_len);
1207 
1208 	EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1209 	EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
1210 	EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1211 
1212 	shutdown(self->fd, SHUT_RDWR);
1213 	shutdown(self->cfd, SHUT_RDWR);
1214 }
1215 
1216 TEST_F(tls, shutdown_unsent)
1217 {
1218 	char const *test_str = "test_read";
1219 	int send_len = 10;
1220 
1221 	EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
1222 
1223 	shutdown(self->fd, SHUT_RDWR);
1224 	shutdown(self->cfd, SHUT_RDWR);
1225 }
1226 
1227 TEST_F(tls, shutdown_reuse)
1228 {
1229 	struct sockaddr_in addr;
1230 	int ret;
1231 
1232 	shutdown(self->fd, SHUT_RDWR);
1233 	shutdown(self->cfd, SHUT_RDWR);
1234 	close(self->cfd);
1235 
1236 	addr.sin_family = AF_INET;
1237 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
1238 	addr.sin_port = 0;
1239 
1240 	ret = bind(self->fd, &addr, sizeof(addr));
1241 	EXPECT_EQ(ret, 0);
1242 	ret = listen(self->fd, 10);
1243 	EXPECT_EQ(ret, -1);
1244 	EXPECT_EQ(errno, EINVAL);
1245 
1246 	ret = connect(self->fd, &addr, sizeof(addr));
1247 	EXPECT_EQ(ret, -1);
1248 	EXPECT_EQ(errno, EISCONN);
1249 }
1250 
1251 TEST(non_established) {
1252 	struct tls12_crypto_info_aes_gcm_256 tls12;
1253 	struct sockaddr_in addr;
1254 	int sfd, ret, fd;
1255 	socklen_t len;
1256 
1257 	len = sizeof(addr);
1258 
1259 	memset(&tls12, 0, sizeof(tls12));
1260 	tls12.info.version = TLS_1_2_VERSION;
1261 	tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1262 
1263 	addr.sin_family = AF_INET;
1264 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
1265 	addr.sin_port = 0;
1266 
1267 	fd = socket(AF_INET, SOCK_STREAM, 0);
1268 	sfd = socket(AF_INET, SOCK_STREAM, 0);
1269 
1270 	ret = bind(sfd, &addr, sizeof(addr));
1271 	ASSERT_EQ(ret, 0);
1272 	ret = listen(sfd, 10);
1273 	ASSERT_EQ(ret, 0);
1274 
1275 	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1276 	EXPECT_EQ(ret, -1);
1277 	/* TLS ULP not supported */
1278 	if (errno == ENOENT)
1279 		return;
1280 	EXPECT_EQ(errno, ENOTCONN);
1281 
1282 	ret = setsockopt(sfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1283 	EXPECT_EQ(ret, -1);
1284 	EXPECT_EQ(errno, ENOTCONN);
1285 
1286 	ret = getsockname(sfd, &addr, &len);
1287 	ASSERT_EQ(ret, 0);
1288 
1289 	ret = connect(fd, &addr, sizeof(addr));
1290 	ASSERT_EQ(ret, 0);
1291 
1292 	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1293 	ASSERT_EQ(ret, 0);
1294 
1295 	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1296 	EXPECT_EQ(ret, -1);
1297 	EXPECT_EQ(errno, EEXIST);
1298 
1299 	close(fd);
1300 	close(sfd);
1301 }
1302 
1303 TEST(keysizes) {
1304 	struct tls12_crypto_info_aes_gcm_256 tls12;
1305 	struct sockaddr_in addr;
1306 	int sfd, ret, fd, cfd;
1307 	socklen_t len;
1308 	bool notls;
1309 
1310 	notls = false;
1311 	len = sizeof(addr);
1312 
1313 	memset(&tls12, 0, sizeof(tls12));
1314 	tls12.info.version = TLS_1_2_VERSION;
1315 	tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1316 
1317 	addr.sin_family = AF_INET;
1318 	addr.sin_addr.s_addr = htonl(INADDR_ANY);
1319 	addr.sin_port = 0;
1320 
1321 	fd = socket(AF_INET, SOCK_STREAM, 0);
1322 	sfd = socket(AF_INET, SOCK_STREAM, 0);
1323 
1324 	ret = bind(sfd, &addr, sizeof(addr));
1325 	ASSERT_EQ(ret, 0);
1326 	ret = listen(sfd, 10);
1327 	ASSERT_EQ(ret, 0);
1328 
1329 	ret = getsockname(sfd, &addr, &len);
1330 	ASSERT_EQ(ret, 0);
1331 
1332 	ret = connect(fd, &addr, sizeof(addr));
1333 	ASSERT_EQ(ret, 0);
1334 
1335 	ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1336 	if (ret != 0) {
1337 		notls = true;
1338 		printf("Failure setting TCP_ULP, testing without tls\n");
1339 	}
1340 
1341 	if (!notls) {
1342 		ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
1343 				 sizeof(tls12));
1344 		EXPECT_EQ(ret, 0);
1345 	}
1346 
1347 	cfd = accept(sfd, &addr, &len);
1348 	ASSERT_GE(cfd, 0);
1349 
1350 	if (!notls) {
1351 		ret = setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls",
1352 				 sizeof("tls"));
1353 		EXPECT_EQ(ret, 0);
1354 
1355 		ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
1356 				 sizeof(tls12));
1357 		EXPECT_EQ(ret, 0);
1358 	}
1359 
1360 	close(sfd);
1361 	close(fd);
1362 	close(cfd);
1363 }
1364 
1365 TEST_HARNESS_MAIN
1366