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/epoll.h>
19 #include <sys/types.h>
20 #include <sys/sendfile.h>
21 #include <sys/socket.h>
22 #include <sys/stat.h>
23
24 #include "../kselftest_harness.h"
25
26 #define TLS_PAYLOAD_MAX_LEN 16384
27 #define SOL_TLS 282
28
29 static int fips_enabled;
30
31 struct tls_crypto_info_keys {
32 union {
33 struct tls_crypto_info crypto_info;
34 struct tls12_crypto_info_aes_gcm_128 aes128;
35 struct tls12_crypto_info_chacha20_poly1305 chacha20;
36 struct tls12_crypto_info_sm4_gcm sm4gcm;
37 struct tls12_crypto_info_sm4_ccm sm4ccm;
38 struct tls12_crypto_info_aes_ccm_128 aesccm128;
39 struct tls12_crypto_info_aes_gcm_256 aesgcm256;
40 struct tls12_crypto_info_aria_gcm_128 ariagcm128;
41 struct tls12_crypto_info_aria_gcm_256 ariagcm256;
42 };
43 size_t len;
44 };
45
tls_crypto_info_init(uint16_t tls_version,uint16_t cipher_type,struct tls_crypto_info_keys * tls12)46 static void tls_crypto_info_init(uint16_t tls_version, uint16_t cipher_type,
47 struct tls_crypto_info_keys *tls12)
48 {
49 memset(tls12, 0, sizeof(*tls12));
50
51 switch (cipher_type) {
52 case TLS_CIPHER_CHACHA20_POLY1305:
53 tls12->len = sizeof(struct tls12_crypto_info_chacha20_poly1305);
54 tls12->chacha20.info.version = tls_version;
55 tls12->chacha20.info.cipher_type = cipher_type;
56 break;
57 case TLS_CIPHER_AES_GCM_128:
58 tls12->len = sizeof(struct tls12_crypto_info_aes_gcm_128);
59 tls12->aes128.info.version = tls_version;
60 tls12->aes128.info.cipher_type = cipher_type;
61 break;
62 case TLS_CIPHER_SM4_GCM:
63 tls12->len = sizeof(struct tls12_crypto_info_sm4_gcm);
64 tls12->sm4gcm.info.version = tls_version;
65 tls12->sm4gcm.info.cipher_type = cipher_type;
66 break;
67 case TLS_CIPHER_SM4_CCM:
68 tls12->len = sizeof(struct tls12_crypto_info_sm4_ccm);
69 tls12->sm4ccm.info.version = tls_version;
70 tls12->sm4ccm.info.cipher_type = cipher_type;
71 break;
72 case TLS_CIPHER_AES_CCM_128:
73 tls12->len = sizeof(struct tls12_crypto_info_aes_ccm_128);
74 tls12->aesccm128.info.version = tls_version;
75 tls12->aesccm128.info.cipher_type = cipher_type;
76 break;
77 case TLS_CIPHER_AES_GCM_256:
78 tls12->len = sizeof(struct tls12_crypto_info_aes_gcm_256);
79 tls12->aesgcm256.info.version = tls_version;
80 tls12->aesgcm256.info.cipher_type = cipher_type;
81 break;
82 case TLS_CIPHER_ARIA_GCM_128:
83 tls12->len = sizeof(struct tls12_crypto_info_aria_gcm_128);
84 tls12->ariagcm128.info.version = tls_version;
85 tls12->ariagcm128.info.cipher_type = cipher_type;
86 break;
87 case TLS_CIPHER_ARIA_GCM_256:
88 tls12->len = sizeof(struct tls12_crypto_info_aria_gcm_256);
89 tls12->ariagcm256.info.version = tls_version;
90 tls12->ariagcm256.info.cipher_type = cipher_type;
91 break;
92 default:
93 break;
94 }
95 }
96
memrnd(void * s,size_t n)97 static void memrnd(void *s, size_t n)
98 {
99 int *dword = s;
100 char *byte;
101
102 for (; n >= 4; n -= 4)
103 *dword++ = rand();
104 byte = (void *)dword;
105 while (n--)
106 *byte++ = rand();
107 }
108
ulp_sock_pair(struct __test_metadata * _metadata,int * fd,int * cfd,bool * notls)109 static void ulp_sock_pair(struct __test_metadata *_metadata,
110 int *fd, int *cfd, bool *notls)
111 {
112 struct sockaddr_in addr;
113 socklen_t len;
114 int sfd, ret;
115
116 *notls = false;
117 len = sizeof(addr);
118
119 addr.sin_family = AF_INET;
120 addr.sin_addr.s_addr = htonl(INADDR_ANY);
121 addr.sin_port = 0;
122
123 *fd = socket(AF_INET, SOCK_STREAM, 0);
124 sfd = socket(AF_INET, SOCK_STREAM, 0);
125
126 ret = bind(sfd, &addr, sizeof(addr));
127 ASSERT_EQ(ret, 0);
128 ret = listen(sfd, 10);
129 ASSERT_EQ(ret, 0);
130
131 ret = getsockname(sfd, &addr, &len);
132 ASSERT_EQ(ret, 0);
133
134 ret = connect(*fd, &addr, sizeof(addr));
135 ASSERT_EQ(ret, 0);
136
137 *cfd = accept(sfd, &addr, &len);
138 ASSERT_GE(*cfd, 0);
139
140 close(sfd);
141
142 ret = setsockopt(*fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
143 if (ret != 0) {
144 ASSERT_EQ(errno, ENOENT);
145 *notls = true;
146 printf("Failure setting TCP_ULP, testing without tls\n");
147 return;
148 }
149
150 ret = setsockopt(*cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
151 ASSERT_EQ(ret, 0);
152 }
153
154 /* Produce a basic cmsg */
tls_send_cmsg(int fd,unsigned char record_type,void * data,size_t len,int flags)155 static int tls_send_cmsg(int fd, unsigned char record_type,
156 void *data, size_t len, int flags)
157 {
158 char cbuf[CMSG_SPACE(sizeof(char))];
159 int cmsg_len = sizeof(char);
160 struct cmsghdr *cmsg;
161 struct msghdr msg;
162 struct iovec vec;
163
164 vec.iov_base = data;
165 vec.iov_len = len;
166 memset(&msg, 0, sizeof(struct msghdr));
167 msg.msg_iov = &vec;
168 msg.msg_iovlen = 1;
169 msg.msg_control = cbuf;
170 msg.msg_controllen = sizeof(cbuf);
171 cmsg = CMSG_FIRSTHDR(&msg);
172 cmsg->cmsg_level = SOL_TLS;
173 /* test sending non-record types. */
174 cmsg->cmsg_type = TLS_SET_RECORD_TYPE;
175 cmsg->cmsg_len = CMSG_LEN(cmsg_len);
176 *CMSG_DATA(cmsg) = record_type;
177 msg.msg_controllen = cmsg->cmsg_len;
178
179 return sendmsg(fd, &msg, flags);
180 }
181
tls_recv_cmsg(struct __test_metadata * _metadata,int fd,unsigned char record_type,void * data,size_t len,int flags)182 static int tls_recv_cmsg(struct __test_metadata *_metadata,
183 int fd, unsigned char record_type,
184 void *data, size_t len, int flags)
185 {
186 char cbuf[CMSG_SPACE(sizeof(char))];
187 struct cmsghdr *cmsg;
188 unsigned char ctype;
189 struct msghdr msg;
190 struct iovec vec;
191 int n;
192
193 vec.iov_base = data;
194 vec.iov_len = len;
195 memset(&msg, 0, sizeof(struct msghdr));
196 msg.msg_iov = &vec;
197 msg.msg_iovlen = 1;
198 msg.msg_control = cbuf;
199 msg.msg_controllen = sizeof(cbuf);
200
201 n = recvmsg(fd, &msg, flags);
202
203 cmsg = CMSG_FIRSTHDR(&msg);
204 EXPECT_NE(cmsg, NULL);
205 EXPECT_EQ(cmsg->cmsg_level, SOL_TLS);
206 EXPECT_EQ(cmsg->cmsg_type, TLS_GET_RECORD_TYPE);
207 ctype = *((unsigned char *)CMSG_DATA(cmsg));
208 EXPECT_EQ(ctype, record_type);
209
210 return n;
211 }
212
FIXTURE(tls_basic)213 FIXTURE(tls_basic)
214 {
215 int fd, cfd;
216 bool notls;
217 };
218
FIXTURE_SETUP(tls_basic)219 FIXTURE_SETUP(tls_basic)
220 {
221 ulp_sock_pair(_metadata, &self->fd, &self->cfd, &self->notls);
222 }
223
FIXTURE_TEARDOWN(tls_basic)224 FIXTURE_TEARDOWN(tls_basic)
225 {
226 close(self->fd);
227 close(self->cfd);
228 }
229
230 /* Send some data through with ULP but no keys */
TEST_F(tls_basic,base_base)231 TEST_F(tls_basic, base_base)
232 {
233 char const *test_str = "test_read";
234 int send_len = 10;
235 char buf[10];
236
237 ASSERT_EQ(strlen(test_str) + 1, send_len);
238
239 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
240 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
241 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
242 };
243
TEST_F(tls_basic,bad_cipher)244 TEST_F(tls_basic, bad_cipher)
245 {
246 struct tls_crypto_info_keys tls12;
247
248 tls12.crypto_info.version = 200;
249 tls12.crypto_info.cipher_type = TLS_CIPHER_AES_GCM_128;
250 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
251
252 tls12.crypto_info.version = TLS_1_2_VERSION;
253 tls12.crypto_info.cipher_type = 50;
254 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
255
256 tls12.crypto_info.version = TLS_1_2_VERSION;
257 tls12.crypto_info.cipher_type = 59;
258 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
259
260 tls12.crypto_info.version = TLS_1_2_VERSION;
261 tls12.crypto_info.cipher_type = 10;
262 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
263
264 tls12.crypto_info.version = TLS_1_2_VERSION;
265 tls12.crypto_info.cipher_type = 70;
266 EXPECT_EQ(setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, sizeof(struct tls12_crypto_info_aes_gcm_128)), -1);
267 }
268
FIXTURE(tls)269 FIXTURE(tls)
270 {
271 int fd, cfd;
272 bool notls;
273 };
274
FIXTURE_VARIANT(tls)275 FIXTURE_VARIANT(tls)
276 {
277 uint16_t tls_version;
278 uint16_t cipher_type;
279 bool nopad, fips_non_compliant;
280 };
281
282 FIXTURE_VARIANT_ADD(tls, 12_aes_gcm)
283 {
284 .tls_version = TLS_1_2_VERSION,
285 .cipher_type = TLS_CIPHER_AES_GCM_128,
286 };
287
288 FIXTURE_VARIANT_ADD(tls, 13_aes_gcm)
289 {
290 .tls_version = TLS_1_3_VERSION,
291 .cipher_type = TLS_CIPHER_AES_GCM_128,
292 };
293
294 FIXTURE_VARIANT_ADD(tls, 12_chacha)
295 {
296 .tls_version = TLS_1_2_VERSION,
297 .cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
298 .fips_non_compliant = true,
299 };
300
301 FIXTURE_VARIANT_ADD(tls, 13_chacha)
302 {
303 .tls_version = TLS_1_3_VERSION,
304 .cipher_type = TLS_CIPHER_CHACHA20_POLY1305,
305 .fips_non_compliant = true,
306 };
307
308 FIXTURE_VARIANT_ADD(tls, 13_sm4_gcm)
309 {
310 .tls_version = TLS_1_3_VERSION,
311 .cipher_type = TLS_CIPHER_SM4_GCM,
312 .fips_non_compliant = true,
313 };
314
315 FIXTURE_VARIANT_ADD(tls, 13_sm4_ccm)
316 {
317 .tls_version = TLS_1_3_VERSION,
318 .cipher_type = TLS_CIPHER_SM4_CCM,
319 .fips_non_compliant = true,
320 };
321
322 FIXTURE_VARIANT_ADD(tls, 12_aes_ccm)
323 {
324 .tls_version = TLS_1_2_VERSION,
325 .cipher_type = TLS_CIPHER_AES_CCM_128,
326 };
327
328 FIXTURE_VARIANT_ADD(tls, 13_aes_ccm)
329 {
330 .tls_version = TLS_1_3_VERSION,
331 .cipher_type = TLS_CIPHER_AES_CCM_128,
332 };
333
334 FIXTURE_VARIANT_ADD(tls, 12_aes_gcm_256)
335 {
336 .tls_version = TLS_1_2_VERSION,
337 .cipher_type = TLS_CIPHER_AES_GCM_256,
338 };
339
340 FIXTURE_VARIANT_ADD(tls, 13_aes_gcm_256)
341 {
342 .tls_version = TLS_1_3_VERSION,
343 .cipher_type = TLS_CIPHER_AES_GCM_256,
344 };
345
346 FIXTURE_VARIANT_ADD(tls, 13_nopad)
347 {
348 .tls_version = TLS_1_3_VERSION,
349 .cipher_type = TLS_CIPHER_AES_GCM_128,
350 .nopad = true,
351 };
352
353 FIXTURE_VARIANT_ADD(tls, 12_aria_gcm)
354 {
355 .tls_version = TLS_1_2_VERSION,
356 .cipher_type = TLS_CIPHER_ARIA_GCM_128,
357 };
358
359 FIXTURE_VARIANT_ADD(tls, 12_aria_gcm_256)
360 {
361 .tls_version = TLS_1_2_VERSION,
362 .cipher_type = TLS_CIPHER_ARIA_GCM_256,
363 };
364
FIXTURE_SETUP(tls)365 FIXTURE_SETUP(tls)
366 {
367 struct tls_crypto_info_keys tls12;
368 int one = 1;
369 int ret;
370
371 if (fips_enabled && variant->fips_non_compliant)
372 SKIP(return, "Unsupported cipher in FIPS mode");
373
374 tls_crypto_info_init(variant->tls_version, variant->cipher_type,
375 &tls12);
376
377 ulp_sock_pair(_metadata, &self->fd, &self->cfd, &self->notls);
378
379 if (self->notls)
380 return;
381
382 ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, tls12.len);
383 ASSERT_EQ(ret, 0);
384
385 ret = setsockopt(self->cfd, SOL_TLS, TLS_RX, &tls12, tls12.len);
386 ASSERT_EQ(ret, 0);
387
388 if (variant->nopad) {
389 ret = setsockopt(self->cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
390 (void *)&one, sizeof(one));
391 ASSERT_EQ(ret, 0);
392 }
393 }
394
FIXTURE_TEARDOWN(tls)395 FIXTURE_TEARDOWN(tls)
396 {
397 close(self->fd);
398 close(self->cfd);
399 }
400
TEST_F(tls,sendfile)401 TEST_F(tls, sendfile)
402 {
403 int filefd = open("/proc/self/exe", O_RDONLY);
404 struct stat st;
405
406 EXPECT_GE(filefd, 0);
407 fstat(filefd, &st);
408 EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
409 }
410
TEST_F(tls,send_then_sendfile)411 TEST_F(tls, send_then_sendfile)
412 {
413 int filefd = open("/proc/self/exe", O_RDONLY);
414 char const *test_str = "test_send";
415 int to_send = strlen(test_str) + 1;
416 char recv_buf[10];
417 struct stat st;
418 char *buf;
419
420 EXPECT_GE(filefd, 0);
421 fstat(filefd, &st);
422 buf = (char *)malloc(st.st_size);
423
424 EXPECT_EQ(send(self->fd, test_str, to_send, 0), to_send);
425 EXPECT_EQ(recv(self->cfd, recv_buf, to_send, MSG_WAITALL), to_send);
426 EXPECT_EQ(memcmp(test_str, recv_buf, to_send), 0);
427
428 EXPECT_GE(sendfile(self->fd, filefd, 0, st.st_size), 0);
429 EXPECT_EQ(recv(self->cfd, buf, st.st_size, MSG_WAITALL), st.st_size);
430 }
431
chunked_sendfile(struct __test_metadata * _metadata,struct _test_data_tls * self,uint16_t chunk_size,uint16_t extra_payload_size)432 static void chunked_sendfile(struct __test_metadata *_metadata,
433 struct _test_data_tls *self,
434 uint16_t chunk_size,
435 uint16_t extra_payload_size)
436 {
437 char buf[TLS_PAYLOAD_MAX_LEN];
438 uint16_t test_payload_size;
439 int size = 0;
440 int ret;
441 char filename[] = "/tmp/mytemp.XXXXXX";
442 int fd = mkstemp(filename);
443 off_t offset = 0;
444
445 unlink(filename);
446 ASSERT_GE(fd, 0);
447 EXPECT_GE(chunk_size, 1);
448 test_payload_size = chunk_size + extra_payload_size;
449 ASSERT_GE(TLS_PAYLOAD_MAX_LEN, test_payload_size);
450 memset(buf, 1, test_payload_size);
451 size = write(fd, buf, test_payload_size);
452 EXPECT_EQ(size, test_payload_size);
453 fsync(fd);
454
455 while (size > 0) {
456 ret = sendfile(self->fd, fd, &offset, chunk_size);
457 EXPECT_GE(ret, 0);
458 size -= ret;
459 }
460
461 EXPECT_EQ(recv(self->cfd, buf, test_payload_size, MSG_WAITALL),
462 test_payload_size);
463
464 close(fd);
465 }
466
TEST_F(tls,multi_chunk_sendfile)467 TEST_F(tls, multi_chunk_sendfile)
468 {
469 chunked_sendfile(_metadata, self, 4096, 4096);
470 chunked_sendfile(_metadata, self, 4096, 0);
471 chunked_sendfile(_metadata, self, 4096, 1);
472 chunked_sendfile(_metadata, self, 4096, 2048);
473 chunked_sendfile(_metadata, self, 8192, 2048);
474 chunked_sendfile(_metadata, self, 4096, 8192);
475 chunked_sendfile(_metadata, self, 8192, 4096);
476 chunked_sendfile(_metadata, self, 12288, 1024);
477 chunked_sendfile(_metadata, self, 12288, 2000);
478 chunked_sendfile(_metadata, self, 15360, 100);
479 chunked_sendfile(_metadata, self, 15360, 300);
480 chunked_sendfile(_metadata, self, 1, 4096);
481 chunked_sendfile(_metadata, self, 2048, 4096);
482 chunked_sendfile(_metadata, self, 2048, 8192);
483 chunked_sendfile(_metadata, self, 4096, 8192);
484 chunked_sendfile(_metadata, self, 1024, 12288);
485 chunked_sendfile(_metadata, self, 2000, 12288);
486 chunked_sendfile(_metadata, self, 100, 15360);
487 chunked_sendfile(_metadata, self, 300, 15360);
488 }
489
TEST_F(tls,recv_max)490 TEST_F(tls, recv_max)
491 {
492 unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
493 char recv_mem[TLS_PAYLOAD_MAX_LEN];
494 char buf[TLS_PAYLOAD_MAX_LEN];
495
496 memrnd(buf, sizeof(buf));
497
498 EXPECT_GE(send(self->fd, buf, send_len, 0), 0);
499 EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
500 EXPECT_EQ(memcmp(buf, recv_mem, send_len), 0);
501 }
502
TEST_F(tls,recv_small)503 TEST_F(tls, recv_small)
504 {
505 char const *test_str = "test_read";
506 int send_len = 10;
507 char buf[10];
508
509 send_len = strlen(test_str) + 1;
510 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
511 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
512 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
513 }
514
TEST_F(tls,msg_more)515 TEST_F(tls, msg_more)
516 {
517 char const *test_str = "test_read";
518 int send_len = 10;
519 char buf[10 * 2];
520
521 EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
522 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
523 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
524 EXPECT_EQ(recv(self->cfd, buf, send_len * 2, MSG_WAITALL),
525 send_len * 2);
526 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
527 }
528
TEST_F(tls,msg_more_unsent)529 TEST_F(tls, msg_more_unsent)
530 {
531 char const *test_str = "test_read";
532 int send_len = 10;
533 char buf[10];
534
535 EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
536 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
537 }
538
TEST_F(tls,msg_eor)539 TEST_F(tls, msg_eor)
540 {
541 char const *test_str = "test_read";
542 int send_len = 10;
543 char buf[10];
544
545 EXPECT_EQ(send(self->fd, test_str, send_len, MSG_EOR), send_len);
546 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len);
547 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
548 }
549
TEST_F(tls,sendmsg_single)550 TEST_F(tls, sendmsg_single)
551 {
552 struct msghdr msg;
553
554 char const *test_str = "test_sendmsg";
555 size_t send_len = 13;
556 struct iovec vec;
557 char buf[13];
558
559 vec.iov_base = (char *)test_str;
560 vec.iov_len = send_len;
561 memset(&msg, 0, sizeof(struct msghdr));
562 msg.msg_iov = &vec;
563 msg.msg_iovlen = 1;
564 EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len);
565 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len);
566 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
567 }
568
569 #define MAX_FRAGS 64
570 #define SEND_LEN 13
TEST_F(tls,sendmsg_fragmented)571 TEST_F(tls, sendmsg_fragmented)
572 {
573 char const *test_str = "test_sendmsg";
574 char buf[SEND_LEN * MAX_FRAGS];
575 struct iovec vec[MAX_FRAGS];
576 struct msghdr msg;
577 int i, frags;
578
579 for (frags = 1; frags <= MAX_FRAGS; frags++) {
580 for (i = 0; i < frags; i++) {
581 vec[i].iov_base = (char *)test_str;
582 vec[i].iov_len = SEND_LEN;
583 }
584
585 memset(&msg, 0, sizeof(struct msghdr));
586 msg.msg_iov = vec;
587 msg.msg_iovlen = frags;
588
589 EXPECT_EQ(sendmsg(self->fd, &msg, 0), SEND_LEN * frags);
590 EXPECT_EQ(recv(self->cfd, buf, SEND_LEN * frags, MSG_WAITALL),
591 SEND_LEN * frags);
592
593 for (i = 0; i < frags; i++)
594 EXPECT_EQ(memcmp(buf + SEND_LEN * i,
595 test_str, SEND_LEN), 0);
596 }
597 }
598 #undef MAX_FRAGS
599 #undef SEND_LEN
600
TEST_F(tls,sendmsg_large)601 TEST_F(tls, sendmsg_large)
602 {
603 void *mem = malloc(16384);
604 size_t send_len = 16384;
605 size_t sends = 128;
606 struct msghdr msg;
607 size_t recvs = 0;
608 size_t sent = 0;
609
610 memset(&msg, 0, sizeof(struct msghdr));
611 while (sent++ < sends) {
612 struct iovec vec = { (void *)mem, send_len };
613
614 msg.msg_iov = &vec;
615 msg.msg_iovlen = 1;
616 EXPECT_EQ(sendmsg(self->fd, &msg, 0), send_len);
617 }
618
619 while (recvs++ < sends) {
620 EXPECT_NE(recv(self->cfd, mem, send_len, 0), -1);
621 }
622
623 free(mem);
624 }
625
TEST_F(tls,sendmsg_multiple)626 TEST_F(tls, sendmsg_multiple)
627 {
628 char const *test_str = "test_sendmsg_multiple";
629 struct iovec vec[5];
630 char *test_strs[5];
631 struct msghdr msg;
632 int total_len = 0;
633 int len_cmp = 0;
634 int iov_len = 5;
635 char *buf;
636 int i;
637
638 memset(&msg, 0, sizeof(struct msghdr));
639 for (i = 0; i < iov_len; i++) {
640 test_strs[i] = (char *)malloc(strlen(test_str) + 1);
641 snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str);
642 vec[i].iov_base = (void *)test_strs[i];
643 vec[i].iov_len = strlen(test_strs[i]) + 1;
644 total_len += vec[i].iov_len;
645 }
646 msg.msg_iov = vec;
647 msg.msg_iovlen = iov_len;
648
649 EXPECT_EQ(sendmsg(self->fd, &msg, 0), total_len);
650 buf = malloc(total_len);
651 EXPECT_NE(recv(self->cfd, buf, total_len, 0), -1);
652 for (i = 0; i < iov_len; i++) {
653 EXPECT_EQ(memcmp(test_strs[i], buf + len_cmp,
654 strlen(test_strs[i])),
655 0);
656 len_cmp += strlen(buf + len_cmp) + 1;
657 }
658 for (i = 0; i < iov_len; i++)
659 free(test_strs[i]);
660 free(buf);
661 }
662
TEST_F(tls,sendmsg_multiple_stress)663 TEST_F(tls, sendmsg_multiple_stress)
664 {
665 char const *test_str = "abcdefghijklmno";
666 struct iovec vec[1024];
667 char *test_strs[1024];
668 int iov_len = 1024;
669 int total_len = 0;
670 char buf[1 << 14];
671 struct msghdr msg;
672 int len_cmp = 0;
673 int i;
674
675 memset(&msg, 0, sizeof(struct msghdr));
676 for (i = 0; i < iov_len; i++) {
677 test_strs[i] = (char *)malloc(strlen(test_str) + 1);
678 snprintf(test_strs[i], strlen(test_str) + 1, "%s", test_str);
679 vec[i].iov_base = (void *)test_strs[i];
680 vec[i].iov_len = strlen(test_strs[i]) + 1;
681 total_len += vec[i].iov_len;
682 }
683 msg.msg_iov = vec;
684 msg.msg_iovlen = iov_len;
685
686 EXPECT_EQ(sendmsg(self->fd, &msg, 0), total_len);
687 EXPECT_NE(recv(self->cfd, buf, total_len, 0), -1);
688
689 for (i = 0; i < iov_len; i++)
690 len_cmp += strlen(buf + len_cmp) + 1;
691
692 for (i = 0; i < iov_len; i++)
693 free(test_strs[i]);
694 }
695
TEST_F(tls,splice_from_pipe)696 TEST_F(tls, splice_from_pipe)
697 {
698 int send_len = TLS_PAYLOAD_MAX_LEN;
699 char mem_send[TLS_PAYLOAD_MAX_LEN];
700 char mem_recv[TLS_PAYLOAD_MAX_LEN];
701 int p[2];
702
703 ASSERT_GE(pipe(p), 0);
704 EXPECT_GE(write(p[1], mem_send, send_len), 0);
705 EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), 0);
706 EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
707 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
708 }
709
TEST_F(tls,splice_more)710 TEST_F(tls, splice_more)
711 {
712 unsigned int f = SPLICE_F_NONBLOCK | SPLICE_F_MORE | SPLICE_F_GIFT;
713 int send_len = TLS_PAYLOAD_MAX_LEN;
714 char mem_send[TLS_PAYLOAD_MAX_LEN];
715 int i, send_pipe = 1;
716 int p[2];
717
718 ASSERT_GE(pipe(p), 0);
719 EXPECT_GE(write(p[1], mem_send, send_len), 0);
720 for (i = 0; i < 32; i++)
721 EXPECT_EQ(splice(p[0], NULL, self->fd, NULL, send_pipe, f), 1);
722 }
723
TEST_F(tls,splice_from_pipe2)724 TEST_F(tls, splice_from_pipe2)
725 {
726 int send_len = 16000;
727 char mem_send[16000];
728 char mem_recv[16000];
729 int p2[2];
730 int p[2];
731
732 memrnd(mem_send, sizeof(mem_send));
733
734 ASSERT_GE(pipe(p), 0);
735 ASSERT_GE(pipe(p2), 0);
736 EXPECT_EQ(write(p[1], mem_send, 8000), 8000);
737 EXPECT_EQ(splice(p[0], NULL, self->fd, NULL, 8000, 0), 8000);
738 EXPECT_EQ(write(p2[1], mem_send + 8000, 8000), 8000);
739 EXPECT_EQ(splice(p2[0], NULL, self->fd, NULL, 8000, 0), 8000);
740 EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
741 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
742 }
743
TEST_F(tls,send_and_splice)744 TEST_F(tls, send_and_splice)
745 {
746 int send_len = TLS_PAYLOAD_MAX_LEN;
747 char mem_send[TLS_PAYLOAD_MAX_LEN];
748 char mem_recv[TLS_PAYLOAD_MAX_LEN];
749 char const *test_str = "test_read";
750 int send_len2 = 10;
751 char buf[10];
752 int p[2];
753
754 ASSERT_GE(pipe(p), 0);
755 EXPECT_EQ(send(self->fd, test_str, send_len2, 0), send_len2);
756 EXPECT_EQ(recv(self->cfd, buf, send_len2, MSG_WAITALL), send_len2);
757 EXPECT_EQ(memcmp(test_str, buf, send_len2), 0);
758
759 EXPECT_GE(write(p[1], mem_send, send_len), send_len);
760 EXPECT_GE(splice(p[0], NULL, self->fd, NULL, send_len, 0), send_len);
761
762 EXPECT_EQ(recv(self->cfd, mem_recv, send_len, MSG_WAITALL), send_len);
763 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
764 }
765
TEST_F(tls,splice_to_pipe)766 TEST_F(tls, splice_to_pipe)
767 {
768 int send_len = TLS_PAYLOAD_MAX_LEN;
769 char mem_send[TLS_PAYLOAD_MAX_LEN];
770 char mem_recv[TLS_PAYLOAD_MAX_LEN];
771 int p[2];
772
773 memrnd(mem_send, sizeof(mem_send));
774
775 ASSERT_GE(pipe(p), 0);
776 EXPECT_EQ(send(self->fd, mem_send, send_len, 0), send_len);
777 EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), send_len);
778 EXPECT_EQ(read(p[0], mem_recv, send_len), send_len);
779 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
780 }
781
TEST_F(tls,splice_cmsg_to_pipe)782 TEST_F(tls, splice_cmsg_to_pipe)
783 {
784 char *test_str = "test_read";
785 char record_type = 100;
786 int send_len = 10;
787 char buf[10];
788 int p[2];
789
790 if (self->notls)
791 SKIP(return, "no TLS support");
792
793 ASSERT_GE(pipe(p), 0);
794 EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
795 EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1);
796 EXPECT_EQ(errno, EINVAL);
797 EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
798 EXPECT_EQ(errno, EIO);
799 EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
800 buf, sizeof(buf), MSG_WAITALL),
801 send_len);
802 EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
803 }
804
TEST_F(tls,splice_dec_cmsg_to_pipe)805 TEST_F(tls, splice_dec_cmsg_to_pipe)
806 {
807 char *test_str = "test_read";
808 char record_type = 100;
809 int send_len = 10;
810 char buf[10];
811 int p[2];
812
813 if (self->notls)
814 SKIP(return, "no TLS support");
815
816 ASSERT_GE(pipe(p), 0);
817 EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
818 EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
819 EXPECT_EQ(errno, EIO);
820 EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, send_len, 0), -1);
821 EXPECT_EQ(errno, EINVAL);
822 EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
823 buf, sizeof(buf), MSG_WAITALL),
824 send_len);
825 EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
826 }
827
TEST_F(tls,recv_and_splice)828 TEST_F(tls, recv_and_splice)
829 {
830 int send_len = TLS_PAYLOAD_MAX_LEN;
831 char mem_send[TLS_PAYLOAD_MAX_LEN];
832 char mem_recv[TLS_PAYLOAD_MAX_LEN];
833 int half = send_len / 2;
834 int p[2];
835
836 ASSERT_GE(pipe(p), 0);
837 EXPECT_EQ(send(self->fd, mem_send, send_len, 0), send_len);
838 /* Recv hald of the record, splice the other half */
839 EXPECT_EQ(recv(self->cfd, mem_recv, half, MSG_WAITALL), half);
840 EXPECT_EQ(splice(self->cfd, NULL, p[1], NULL, half, SPLICE_F_NONBLOCK),
841 half);
842 EXPECT_EQ(read(p[0], &mem_recv[half], half), half);
843 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
844 }
845
TEST_F(tls,peek_and_splice)846 TEST_F(tls, peek_and_splice)
847 {
848 int send_len = TLS_PAYLOAD_MAX_LEN;
849 char mem_send[TLS_PAYLOAD_MAX_LEN];
850 char mem_recv[TLS_PAYLOAD_MAX_LEN];
851 int chunk = TLS_PAYLOAD_MAX_LEN / 4;
852 int n, i, p[2];
853
854 memrnd(mem_send, sizeof(mem_send));
855
856 ASSERT_GE(pipe(p), 0);
857 for (i = 0; i < 4; i++)
858 EXPECT_EQ(send(self->fd, &mem_send[chunk * i], chunk, 0),
859 chunk);
860
861 EXPECT_EQ(recv(self->cfd, mem_recv, chunk * 5 / 2,
862 MSG_WAITALL | MSG_PEEK),
863 chunk * 5 / 2);
864 EXPECT_EQ(memcmp(mem_send, mem_recv, chunk * 5 / 2), 0);
865
866 n = 0;
867 while (n < send_len) {
868 i = splice(self->cfd, NULL, p[1], NULL, send_len - n, 0);
869 EXPECT_GT(i, 0);
870 n += i;
871 }
872 EXPECT_EQ(n, send_len);
873 EXPECT_EQ(read(p[0], mem_recv, send_len), send_len);
874 EXPECT_EQ(memcmp(mem_send, mem_recv, send_len), 0);
875 }
876
TEST_F(tls,recvmsg_single)877 TEST_F(tls, recvmsg_single)
878 {
879 char const *test_str = "test_recvmsg_single";
880 int send_len = strlen(test_str) + 1;
881 char buf[20];
882 struct msghdr hdr;
883 struct iovec vec;
884
885 memset(&hdr, 0, sizeof(hdr));
886 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
887 vec.iov_base = (char *)buf;
888 vec.iov_len = send_len;
889 hdr.msg_iovlen = 1;
890 hdr.msg_iov = &vec;
891 EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
892 EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
893 }
894
TEST_F(tls,recvmsg_single_max)895 TEST_F(tls, recvmsg_single_max)
896 {
897 int send_len = TLS_PAYLOAD_MAX_LEN;
898 char send_mem[TLS_PAYLOAD_MAX_LEN];
899 char recv_mem[TLS_PAYLOAD_MAX_LEN];
900 struct iovec vec;
901 struct msghdr hdr;
902
903 memrnd(send_mem, sizeof(send_mem));
904
905 EXPECT_EQ(send(self->fd, send_mem, send_len, 0), send_len);
906 vec.iov_base = (char *)recv_mem;
907 vec.iov_len = TLS_PAYLOAD_MAX_LEN;
908
909 hdr.msg_iovlen = 1;
910 hdr.msg_iov = &vec;
911 EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
912 EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
913 }
914
TEST_F(tls,recvmsg_multiple)915 TEST_F(tls, recvmsg_multiple)
916 {
917 unsigned int msg_iovlen = 1024;
918 struct iovec vec[1024];
919 char *iov_base[1024];
920 unsigned int iov_len = 16;
921 int send_len = 1 << 14;
922 char buf[1 << 14];
923 struct msghdr hdr;
924 int i;
925
926 memrnd(buf, sizeof(buf));
927
928 EXPECT_EQ(send(self->fd, buf, send_len, 0), send_len);
929 for (i = 0; i < msg_iovlen; i++) {
930 iov_base[i] = (char *)malloc(iov_len);
931 vec[i].iov_base = iov_base[i];
932 vec[i].iov_len = iov_len;
933 }
934
935 hdr.msg_iovlen = msg_iovlen;
936 hdr.msg_iov = vec;
937 EXPECT_NE(recvmsg(self->cfd, &hdr, 0), -1);
938
939 for (i = 0; i < msg_iovlen; i++)
940 free(iov_base[i]);
941 }
942
TEST_F(tls,single_send_multiple_recv)943 TEST_F(tls, single_send_multiple_recv)
944 {
945 unsigned int total_len = TLS_PAYLOAD_MAX_LEN * 2;
946 unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
947 char send_mem[TLS_PAYLOAD_MAX_LEN * 2];
948 char recv_mem[TLS_PAYLOAD_MAX_LEN * 2];
949
950 memrnd(send_mem, sizeof(send_mem));
951
952 EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
953 memset(recv_mem, 0, total_len);
954
955 EXPECT_NE(recv(self->cfd, recv_mem, send_len, 0), -1);
956 EXPECT_NE(recv(self->cfd, recv_mem + send_len, send_len, 0), -1);
957 EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
958 }
959
TEST_F(tls,multiple_send_single_recv)960 TEST_F(tls, multiple_send_single_recv)
961 {
962 unsigned int total_len = 2 * 10;
963 unsigned int send_len = 10;
964 char recv_mem[2 * 10];
965 char send_mem[10];
966
967 memrnd(send_mem, sizeof(send_mem));
968
969 EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
970 EXPECT_GE(send(self->fd, send_mem, send_len, 0), 0);
971 memset(recv_mem, 0, total_len);
972 EXPECT_EQ(recv(self->cfd, recv_mem, total_len, MSG_WAITALL), total_len);
973
974 EXPECT_EQ(memcmp(send_mem, recv_mem, send_len), 0);
975 EXPECT_EQ(memcmp(send_mem, recv_mem + send_len, send_len), 0);
976 }
977
TEST_F(tls,single_send_multiple_recv_non_align)978 TEST_F(tls, single_send_multiple_recv_non_align)
979 {
980 const unsigned int total_len = 15;
981 const unsigned int recv_len = 10;
982 char recv_mem[recv_len * 2];
983 char send_mem[total_len];
984
985 memrnd(send_mem, sizeof(send_mem));
986
987 EXPECT_GE(send(self->fd, send_mem, total_len, 0), 0);
988 memset(recv_mem, 0, total_len);
989
990 EXPECT_EQ(recv(self->cfd, recv_mem, recv_len, 0), recv_len);
991 EXPECT_EQ(recv(self->cfd, recv_mem + recv_len, recv_len, 0), 5);
992 EXPECT_EQ(memcmp(send_mem, recv_mem, total_len), 0);
993 }
994
TEST_F(tls,recv_partial)995 TEST_F(tls, recv_partial)
996 {
997 char const *test_str = "test_read_partial";
998 char const *test_str_first = "test_read";
999 char const *test_str_second = "_partial";
1000 int send_len = strlen(test_str) + 1;
1001 char recv_mem[18];
1002
1003 memset(recv_mem, 0, sizeof(recv_mem));
1004 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1005 EXPECT_EQ(recv(self->cfd, recv_mem, strlen(test_str_first),
1006 MSG_WAITALL), strlen(test_str_first));
1007 EXPECT_EQ(memcmp(test_str_first, recv_mem, strlen(test_str_first)), 0);
1008 memset(recv_mem, 0, sizeof(recv_mem));
1009 EXPECT_EQ(recv(self->cfd, recv_mem, strlen(test_str_second),
1010 MSG_WAITALL), strlen(test_str_second));
1011 EXPECT_EQ(memcmp(test_str_second, recv_mem, strlen(test_str_second)),
1012 0);
1013 }
1014
TEST_F(tls,recv_nonblock)1015 TEST_F(tls, recv_nonblock)
1016 {
1017 char buf[4096];
1018 bool err;
1019
1020 EXPECT_EQ(recv(self->cfd, buf, sizeof(buf), MSG_DONTWAIT), -1);
1021 err = (errno == EAGAIN || errno == EWOULDBLOCK);
1022 EXPECT_EQ(err, true);
1023 }
1024
TEST_F(tls,recv_peek)1025 TEST_F(tls, recv_peek)
1026 {
1027 char const *test_str = "test_read_peek";
1028 int send_len = strlen(test_str) + 1;
1029 char buf[15];
1030
1031 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1032 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_PEEK), send_len);
1033 EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
1034 memset(buf, 0, sizeof(buf));
1035 EXPECT_EQ(recv(self->cfd, buf, send_len, 0), send_len);
1036 EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
1037 }
1038
TEST_F(tls,recv_peek_multiple)1039 TEST_F(tls, recv_peek_multiple)
1040 {
1041 char const *test_str = "test_read_peek";
1042 int send_len = strlen(test_str) + 1;
1043 unsigned int num_peeks = 100;
1044 char buf[15];
1045 int i;
1046
1047 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1048 for (i = 0; i < num_peeks; i++) {
1049 EXPECT_NE(recv(self->cfd, buf, send_len, MSG_PEEK), -1);
1050 EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
1051 memset(buf, 0, sizeof(buf));
1052 }
1053 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
1054 EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
1055 }
1056
TEST_F(tls,recv_peek_multiple_records)1057 TEST_F(tls, recv_peek_multiple_records)
1058 {
1059 char const *test_str = "test_read_peek_mult_recs";
1060 char const *test_str_first = "test_read_peek";
1061 char const *test_str_second = "_mult_recs";
1062 int len;
1063 char buf[64];
1064
1065 len = strlen(test_str_first);
1066 EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
1067
1068 len = strlen(test_str_second) + 1;
1069 EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
1070
1071 len = strlen(test_str_first);
1072 memset(buf, 0, len);
1073 EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len);
1074
1075 /* MSG_PEEK can only peek into the current record. */
1076 len = strlen(test_str_first);
1077 EXPECT_EQ(memcmp(test_str_first, buf, len), 0);
1078
1079 len = strlen(test_str) + 1;
1080 memset(buf, 0, len);
1081 EXPECT_EQ(recv(self->cfd, buf, len, MSG_WAITALL), len);
1082
1083 /* Non-MSG_PEEK will advance strparser (and therefore record)
1084 * however.
1085 */
1086 len = strlen(test_str) + 1;
1087 EXPECT_EQ(memcmp(test_str, buf, len), 0);
1088
1089 /* MSG_MORE will hold current record open, so later MSG_PEEK
1090 * will see everything.
1091 */
1092 len = strlen(test_str_first);
1093 EXPECT_EQ(send(self->fd, test_str_first, len, MSG_MORE), len);
1094
1095 len = strlen(test_str_second) + 1;
1096 EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
1097
1098 len = strlen(test_str) + 1;
1099 memset(buf, 0, len);
1100 EXPECT_EQ(recv(self->cfd, buf, len, MSG_PEEK | MSG_WAITALL), len);
1101
1102 len = strlen(test_str) + 1;
1103 EXPECT_EQ(memcmp(test_str, buf, len), 0);
1104 }
1105
TEST_F(tls,recv_peek_large_buf_mult_recs)1106 TEST_F(tls, recv_peek_large_buf_mult_recs)
1107 {
1108 char const *test_str = "test_read_peek_mult_recs";
1109 char const *test_str_first = "test_read_peek";
1110 char const *test_str_second = "_mult_recs";
1111 int len;
1112 char buf[64];
1113
1114 len = strlen(test_str_first);
1115 EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
1116
1117 len = strlen(test_str_second) + 1;
1118 EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
1119
1120 len = strlen(test_str) + 1;
1121 memset(buf, 0, len);
1122 EXPECT_NE((len = recv(self->cfd, buf, len,
1123 MSG_PEEK | MSG_WAITALL)), -1);
1124 len = strlen(test_str) + 1;
1125 EXPECT_EQ(memcmp(test_str, buf, len), 0);
1126 }
1127
TEST_F(tls,recv_lowat)1128 TEST_F(tls, recv_lowat)
1129 {
1130 char send_mem[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
1131 char recv_mem[20];
1132 int lowat = 8;
1133
1134 EXPECT_EQ(send(self->fd, send_mem, 10, 0), 10);
1135 EXPECT_EQ(send(self->fd, send_mem, 5, 0), 5);
1136
1137 memset(recv_mem, 0, 20);
1138 EXPECT_EQ(setsockopt(self->cfd, SOL_SOCKET, SO_RCVLOWAT,
1139 &lowat, sizeof(lowat)), 0);
1140 EXPECT_EQ(recv(self->cfd, recv_mem, 1, MSG_WAITALL), 1);
1141 EXPECT_EQ(recv(self->cfd, recv_mem + 1, 6, MSG_WAITALL), 6);
1142 EXPECT_EQ(recv(self->cfd, recv_mem + 7, 10, 0), 8);
1143
1144 EXPECT_EQ(memcmp(send_mem, recv_mem, 10), 0);
1145 EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0);
1146 }
1147
TEST_F(tls,bidir)1148 TEST_F(tls, bidir)
1149 {
1150 char const *test_str = "test_read";
1151 int send_len = 10;
1152 char buf[10];
1153 int ret;
1154
1155 if (!self->notls) {
1156 struct tls_crypto_info_keys tls12;
1157
1158 tls_crypto_info_init(variant->tls_version, variant->cipher_type,
1159 &tls12);
1160
1161 ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12,
1162 tls12.len);
1163 ASSERT_EQ(ret, 0);
1164
1165 ret = setsockopt(self->cfd, SOL_TLS, TLS_TX, &tls12,
1166 tls12.len);
1167 ASSERT_EQ(ret, 0);
1168 }
1169
1170 ASSERT_EQ(strlen(test_str) + 1, send_len);
1171
1172 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1173 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
1174 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1175
1176 memset(buf, 0, sizeof(buf));
1177
1178 EXPECT_EQ(send(self->cfd, test_str, send_len, 0), send_len);
1179 EXPECT_NE(recv(self->fd, buf, send_len, 0), -1);
1180 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1181 };
1182
TEST_F(tls,pollin)1183 TEST_F(tls, pollin)
1184 {
1185 char const *test_str = "test_poll";
1186 struct pollfd fd = { 0, 0, 0 };
1187 char buf[10];
1188 int send_len = 10;
1189
1190 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1191 fd.fd = self->cfd;
1192 fd.events = POLLIN;
1193
1194 EXPECT_EQ(poll(&fd, 1, 20), 1);
1195 EXPECT_EQ(fd.revents & POLLIN, 1);
1196 EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_WAITALL), send_len);
1197 /* Test timing out */
1198 EXPECT_EQ(poll(&fd, 1, 20), 0);
1199 }
1200
TEST_F(tls,poll_wait)1201 TEST_F(tls, poll_wait)
1202 {
1203 char const *test_str = "test_poll_wait";
1204 int send_len = strlen(test_str) + 1;
1205 struct pollfd fd = { 0, 0, 0 };
1206 char recv_mem[15];
1207
1208 fd.fd = self->cfd;
1209 fd.events = POLLIN;
1210 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1211 /* Set timeout to inf. secs */
1212 EXPECT_EQ(poll(&fd, 1, -1), 1);
1213 EXPECT_EQ(fd.revents & POLLIN, 1);
1214 EXPECT_EQ(recv(self->cfd, recv_mem, send_len, MSG_WAITALL), send_len);
1215 }
1216
TEST_F(tls,poll_wait_split)1217 TEST_F(tls, poll_wait_split)
1218 {
1219 struct pollfd fd = { 0, 0, 0 };
1220 char send_mem[20] = {};
1221 char recv_mem[15];
1222
1223 fd.fd = self->cfd;
1224 fd.events = POLLIN;
1225 /* Send 20 bytes */
1226 EXPECT_EQ(send(self->fd, send_mem, sizeof(send_mem), 0),
1227 sizeof(send_mem));
1228 /* Poll with inf. timeout */
1229 EXPECT_EQ(poll(&fd, 1, -1), 1);
1230 EXPECT_EQ(fd.revents & POLLIN, 1);
1231 EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), MSG_WAITALL),
1232 sizeof(recv_mem));
1233
1234 /* Now the remaining 5 bytes of record data are in TLS ULP */
1235 fd.fd = self->cfd;
1236 fd.events = POLLIN;
1237 EXPECT_EQ(poll(&fd, 1, -1), 1);
1238 EXPECT_EQ(fd.revents & POLLIN, 1);
1239 EXPECT_EQ(recv(self->cfd, recv_mem, sizeof(recv_mem), 0),
1240 sizeof(send_mem) - sizeof(recv_mem));
1241 }
1242
TEST_F(tls,blocking)1243 TEST_F(tls, blocking)
1244 {
1245 size_t data = 100000;
1246 int res = fork();
1247
1248 EXPECT_NE(res, -1);
1249
1250 if (res) {
1251 /* parent */
1252 size_t left = data;
1253 char buf[16384];
1254 int status;
1255 int pid2;
1256
1257 while (left) {
1258 int res = send(self->fd, buf,
1259 left > 16384 ? 16384 : left, 0);
1260
1261 EXPECT_GE(res, 0);
1262 left -= res;
1263 }
1264
1265 pid2 = wait(&status);
1266 EXPECT_EQ(status, 0);
1267 EXPECT_EQ(res, pid2);
1268 } else {
1269 /* child */
1270 size_t left = data;
1271 char buf[16384];
1272
1273 while (left) {
1274 int res = recv(self->cfd, buf,
1275 left > 16384 ? 16384 : left, 0);
1276
1277 EXPECT_GE(res, 0);
1278 left -= res;
1279 }
1280 }
1281 }
1282
TEST_F(tls,nonblocking)1283 TEST_F(tls, nonblocking)
1284 {
1285 size_t data = 100000;
1286 int sendbuf = 100;
1287 int flags;
1288 int res;
1289
1290 flags = fcntl(self->fd, F_GETFL, 0);
1291 fcntl(self->fd, F_SETFL, flags | O_NONBLOCK);
1292 fcntl(self->cfd, F_SETFL, flags | O_NONBLOCK);
1293
1294 /* Ensure nonblocking behavior by imposing a small send
1295 * buffer.
1296 */
1297 EXPECT_EQ(setsockopt(self->fd, SOL_SOCKET, SO_SNDBUF,
1298 &sendbuf, sizeof(sendbuf)), 0);
1299
1300 res = fork();
1301 EXPECT_NE(res, -1);
1302
1303 if (res) {
1304 /* parent */
1305 bool eagain = false;
1306 size_t left = data;
1307 char buf[16384];
1308 int status;
1309 int pid2;
1310
1311 while (left) {
1312 int res = send(self->fd, buf,
1313 left > 16384 ? 16384 : left, 0);
1314
1315 if (res == -1 && errno == EAGAIN) {
1316 eagain = true;
1317 usleep(10000);
1318 continue;
1319 }
1320 EXPECT_GE(res, 0);
1321 left -= res;
1322 }
1323
1324 EXPECT_TRUE(eagain);
1325 pid2 = wait(&status);
1326
1327 EXPECT_EQ(status, 0);
1328 EXPECT_EQ(res, pid2);
1329 } else {
1330 /* child */
1331 bool eagain = false;
1332 size_t left = data;
1333 char buf[16384];
1334
1335 while (left) {
1336 int res = recv(self->cfd, buf,
1337 left > 16384 ? 16384 : left, 0);
1338
1339 if (res == -1 && errno == EAGAIN) {
1340 eagain = true;
1341 usleep(10000);
1342 continue;
1343 }
1344 EXPECT_GE(res, 0);
1345 left -= res;
1346 }
1347 EXPECT_TRUE(eagain);
1348 }
1349 }
1350
1351 static void
test_mutliproc(struct __test_metadata * _metadata,struct _test_data_tls * self,bool sendpg,unsigned int n_readers,unsigned int n_writers)1352 test_mutliproc(struct __test_metadata *_metadata, struct _test_data_tls *self,
1353 bool sendpg, unsigned int n_readers, unsigned int n_writers)
1354 {
1355 const unsigned int n_children = n_readers + n_writers;
1356 const size_t data = 6 * 1000 * 1000;
1357 const size_t file_sz = data / 100;
1358 size_t read_bias, write_bias;
1359 int i, fd, child_id;
1360 char buf[file_sz];
1361 pid_t pid;
1362
1363 /* Only allow multiples for simplicity */
1364 ASSERT_EQ(!(n_readers % n_writers) || !(n_writers % n_readers), true);
1365 read_bias = n_writers / n_readers ?: 1;
1366 write_bias = n_readers / n_writers ?: 1;
1367
1368 /* prep a file to send */
1369 fd = open("/tmp/", O_TMPFILE | O_RDWR, 0600);
1370 ASSERT_GE(fd, 0);
1371
1372 memset(buf, 0xac, file_sz);
1373 ASSERT_EQ(write(fd, buf, file_sz), file_sz);
1374
1375 /* spawn children */
1376 for (child_id = 0; child_id < n_children; child_id++) {
1377 pid = fork();
1378 ASSERT_NE(pid, -1);
1379 if (!pid)
1380 break;
1381 }
1382
1383 /* parent waits for all children */
1384 if (pid) {
1385 for (i = 0; i < n_children; i++) {
1386 int status;
1387
1388 wait(&status);
1389 EXPECT_EQ(status, 0);
1390 }
1391
1392 return;
1393 }
1394
1395 /* Split threads for reading and writing */
1396 if (child_id < n_readers) {
1397 size_t left = data * read_bias;
1398 char rb[8001];
1399
1400 while (left) {
1401 int res;
1402
1403 res = recv(self->cfd, rb,
1404 left > sizeof(rb) ? sizeof(rb) : left, 0);
1405
1406 EXPECT_GE(res, 0);
1407 left -= res;
1408 }
1409 } else {
1410 size_t left = data * write_bias;
1411
1412 while (left) {
1413 int res;
1414
1415 ASSERT_EQ(lseek(fd, 0, SEEK_SET), 0);
1416 if (sendpg)
1417 res = sendfile(self->fd, fd, NULL,
1418 left > file_sz ? file_sz : left);
1419 else
1420 res = send(self->fd, buf,
1421 left > file_sz ? file_sz : left, 0);
1422
1423 EXPECT_GE(res, 0);
1424 left -= res;
1425 }
1426 }
1427 }
1428
TEST_F(tls,mutliproc_even)1429 TEST_F(tls, mutliproc_even)
1430 {
1431 test_mutliproc(_metadata, self, false, 6, 6);
1432 }
1433
TEST_F(tls,mutliproc_readers)1434 TEST_F(tls, mutliproc_readers)
1435 {
1436 test_mutliproc(_metadata, self, false, 4, 12);
1437 }
1438
TEST_F(tls,mutliproc_writers)1439 TEST_F(tls, mutliproc_writers)
1440 {
1441 test_mutliproc(_metadata, self, false, 10, 2);
1442 }
1443
TEST_F(tls,mutliproc_sendpage_even)1444 TEST_F(tls, mutliproc_sendpage_even)
1445 {
1446 test_mutliproc(_metadata, self, true, 6, 6);
1447 }
1448
TEST_F(tls,mutliproc_sendpage_readers)1449 TEST_F(tls, mutliproc_sendpage_readers)
1450 {
1451 test_mutliproc(_metadata, self, true, 4, 12);
1452 }
1453
TEST_F(tls,mutliproc_sendpage_writers)1454 TEST_F(tls, mutliproc_sendpage_writers)
1455 {
1456 test_mutliproc(_metadata, self, true, 10, 2);
1457 }
1458
TEST_F(tls,control_msg)1459 TEST_F(tls, control_msg)
1460 {
1461 char *test_str = "test_read";
1462 char record_type = 100;
1463 int send_len = 10;
1464 char buf[10];
1465
1466 if (self->notls)
1467 SKIP(return, "no TLS support");
1468
1469 EXPECT_EQ(tls_send_cmsg(self->fd, record_type, test_str, send_len, 0),
1470 send_len);
1471 /* Should fail because we didn't provide a control message */
1472 EXPECT_EQ(recv(self->cfd, buf, send_len, 0), -1);
1473
1474 EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
1475 buf, sizeof(buf), MSG_WAITALL | MSG_PEEK),
1476 send_len);
1477 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1478
1479 /* Recv the message again without MSG_PEEK */
1480 memset(buf, 0, sizeof(buf));
1481
1482 EXPECT_EQ(tls_recv_cmsg(_metadata, self->cfd, record_type,
1483 buf, sizeof(buf), MSG_WAITALL),
1484 send_len);
1485 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1486 }
1487
TEST_F(tls,shutdown)1488 TEST_F(tls, shutdown)
1489 {
1490 char const *test_str = "test_read";
1491 int send_len = 10;
1492 char buf[10];
1493
1494 ASSERT_EQ(strlen(test_str) + 1, send_len);
1495
1496 EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
1497 EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
1498 EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
1499
1500 shutdown(self->fd, SHUT_RDWR);
1501 shutdown(self->cfd, SHUT_RDWR);
1502 }
1503
TEST_F(tls,shutdown_unsent)1504 TEST_F(tls, shutdown_unsent)
1505 {
1506 char const *test_str = "test_read";
1507 int send_len = 10;
1508
1509 EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
1510
1511 shutdown(self->fd, SHUT_RDWR);
1512 shutdown(self->cfd, SHUT_RDWR);
1513 }
1514
TEST_F(tls,shutdown_reuse)1515 TEST_F(tls, shutdown_reuse)
1516 {
1517 struct sockaddr_in addr;
1518 int ret;
1519
1520 shutdown(self->fd, SHUT_RDWR);
1521 shutdown(self->cfd, SHUT_RDWR);
1522 close(self->cfd);
1523
1524 addr.sin_family = AF_INET;
1525 addr.sin_addr.s_addr = htonl(INADDR_ANY);
1526 addr.sin_port = 0;
1527
1528 ret = bind(self->fd, &addr, sizeof(addr));
1529 EXPECT_EQ(ret, 0);
1530 ret = listen(self->fd, 10);
1531 EXPECT_EQ(ret, -1);
1532 EXPECT_EQ(errno, EINVAL);
1533
1534 ret = connect(self->fd, &addr, sizeof(addr));
1535 EXPECT_EQ(ret, -1);
1536 EXPECT_EQ(errno, EISCONN);
1537 }
1538
TEST_F(tls,getsockopt)1539 TEST_F(tls, getsockopt)
1540 {
1541 struct tls_crypto_info_keys expect, get;
1542 socklen_t len;
1543
1544 /* get only the version/cipher */
1545 len = sizeof(struct tls_crypto_info);
1546 memrnd(&get, sizeof(get));
1547 EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), 0);
1548 EXPECT_EQ(len, sizeof(struct tls_crypto_info));
1549 EXPECT_EQ(get.crypto_info.version, variant->tls_version);
1550 EXPECT_EQ(get.crypto_info.cipher_type, variant->cipher_type);
1551
1552 /* get the full crypto_info */
1553 tls_crypto_info_init(variant->tls_version, variant->cipher_type, &expect);
1554 len = expect.len;
1555 memrnd(&get, sizeof(get));
1556 EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), 0);
1557 EXPECT_EQ(len, expect.len);
1558 EXPECT_EQ(get.crypto_info.version, variant->tls_version);
1559 EXPECT_EQ(get.crypto_info.cipher_type, variant->cipher_type);
1560 EXPECT_EQ(memcmp(&get, &expect, expect.len), 0);
1561
1562 /* short get should fail */
1563 len = sizeof(struct tls_crypto_info) - 1;
1564 EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), -1);
1565 EXPECT_EQ(errno, EINVAL);
1566
1567 /* partial get of the cipher data should fail */
1568 len = expect.len - 1;
1569 EXPECT_EQ(getsockopt(self->fd, SOL_TLS, TLS_TX, &get, &len), -1);
1570 EXPECT_EQ(errno, EINVAL);
1571 }
1572
FIXTURE(tls_err)1573 FIXTURE(tls_err)
1574 {
1575 int fd, cfd;
1576 int fd2, cfd2;
1577 bool notls;
1578 };
1579
FIXTURE_VARIANT(tls_err)1580 FIXTURE_VARIANT(tls_err)
1581 {
1582 uint16_t tls_version;
1583 };
1584
1585 FIXTURE_VARIANT_ADD(tls_err, 12_aes_gcm)
1586 {
1587 .tls_version = TLS_1_2_VERSION,
1588 };
1589
1590 FIXTURE_VARIANT_ADD(tls_err, 13_aes_gcm)
1591 {
1592 .tls_version = TLS_1_3_VERSION,
1593 };
1594
FIXTURE_SETUP(tls_err)1595 FIXTURE_SETUP(tls_err)
1596 {
1597 struct tls_crypto_info_keys tls12;
1598 int ret;
1599
1600 tls_crypto_info_init(variant->tls_version, TLS_CIPHER_AES_GCM_128,
1601 &tls12);
1602
1603 ulp_sock_pair(_metadata, &self->fd, &self->cfd, &self->notls);
1604 ulp_sock_pair(_metadata, &self->fd2, &self->cfd2, &self->notls);
1605 if (self->notls)
1606 return;
1607
1608 ret = setsockopt(self->fd, SOL_TLS, TLS_TX, &tls12, tls12.len);
1609 ASSERT_EQ(ret, 0);
1610
1611 ret = setsockopt(self->cfd2, SOL_TLS, TLS_RX, &tls12, tls12.len);
1612 ASSERT_EQ(ret, 0);
1613 }
1614
FIXTURE_TEARDOWN(tls_err)1615 FIXTURE_TEARDOWN(tls_err)
1616 {
1617 close(self->fd);
1618 close(self->cfd);
1619 close(self->fd2);
1620 close(self->cfd2);
1621 }
1622
TEST_F(tls_err,bad_rec)1623 TEST_F(tls_err, bad_rec)
1624 {
1625 char buf[64];
1626
1627 if (self->notls)
1628 SKIP(return, "no TLS support");
1629
1630 memset(buf, 0x55, sizeof(buf));
1631 EXPECT_EQ(send(self->fd2, buf, sizeof(buf), 0), sizeof(buf));
1632 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1633 EXPECT_EQ(errno, EMSGSIZE);
1634 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), MSG_DONTWAIT), -1);
1635 EXPECT_EQ(errno, EAGAIN);
1636 }
1637
TEST_F(tls_err,bad_auth)1638 TEST_F(tls_err, bad_auth)
1639 {
1640 char buf[128];
1641 int n;
1642
1643 if (self->notls)
1644 SKIP(return, "no TLS support");
1645
1646 memrnd(buf, sizeof(buf) / 2);
1647 EXPECT_EQ(send(self->fd, buf, sizeof(buf) / 2, 0), sizeof(buf) / 2);
1648 n = recv(self->cfd, buf, sizeof(buf), 0);
1649 EXPECT_GT(n, sizeof(buf) / 2);
1650
1651 buf[n - 1]++;
1652
1653 EXPECT_EQ(send(self->fd2, buf, n, 0), n);
1654 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1655 EXPECT_EQ(errno, EBADMSG);
1656 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1657 EXPECT_EQ(errno, EBADMSG);
1658 }
1659
TEST_F(tls_err,bad_in_large_read)1660 TEST_F(tls_err, bad_in_large_read)
1661 {
1662 char txt[3][64];
1663 char cip[3][128];
1664 char buf[3 * 128];
1665 int i, n;
1666
1667 if (self->notls)
1668 SKIP(return, "no TLS support");
1669
1670 /* Put 3 records in the sockets */
1671 for (i = 0; i < 3; i++) {
1672 memrnd(txt[i], sizeof(txt[i]));
1673 EXPECT_EQ(send(self->fd, txt[i], sizeof(txt[i]), 0),
1674 sizeof(txt[i]));
1675 n = recv(self->cfd, cip[i], sizeof(cip[i]), 0);
1676 EXPECT_GT(n, sizeof(txt[i]));
1677 /* Break the third message */
1678 if (i == 2)
1679 cip[2][n - 1]++;
1680 EXPECT_EQ(send(self->fd2, cip[i], n, 0), n);
1681 }
1682
1683 /* We should be able to receive the first two messages */
1684 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), sizeof(txt[0]) * 2);
1685 EXPECT_EQ(memcmp(buf, txt[0], sizeof(txt[0])), 0);
1686 EXPECT_EQ(memcmp(buf + sizeof(txt[0]), txt[1], sizeof(txt[1])), 0);
1687 /* Third mesasge is bad */
1688 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1689 EXPECT_EQ(errno, EBADMSG);
1690 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1691 EXPECT_EQ(errno, EBADMSG);
1692 }
1693
TEST_F(tls_err,bad_cmsg)1694 TEST_F(tls_err, bad_cmsg)
1695 {
1696 char *test_str = "test_read";
1697 int send_len = 10;
1698 char cip[128];
1699 char buf[128];
1700 char txt[64];
1701 int n;
1702
1703 if (self->notls)
1704 SKIP(return, "no TLS support");
1705
1706 /* Queue up one data record */
1707 memrnd(txt, sizeof(txt));
1708 EXPECT_EQ(send(self->fd, txt, sizeof(txt), 0), sizeof(txt));
1709 n = recv(self->cfd, cip, sizeof(cip), 0);
1710 EXPECT_GT(n, sizeof(txt));
1711 EXPECT_EQ(send(self->fd2, cip, n, 0), n);
1712
1713 EXPECT_EQ(tls_send_cmsg(self->fd, 100, test_str, send_len, 0), 10);
1714 n = recv(self->cfd, cip, sizeof(cip), 0);
1715 cip[n - 1]++; /* Break it */
1716 EXPECT_GT(n, send_len);
1717 EXPECT_EQ(send(self->fd2, cip, n, 0), n);
1718
1719 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), sizeof(txt));
1720 EXPECT_EQ(memcmp(buf, txt, sizeof(txt)), 0);
1721 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1722 EXPECT_EQ(errno, EBADMSG);
1723 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1724 EXPECT_EQ(errno, EBADMSG);
1725 }
1726
TEST_F(tls_err,timeo)1727 TEST_F(tls_err, timeo)
1728 {
1729 struct timeval tv = { .tv_usec = 10000, };
1730 char buf[128];
1731 int ret;
1732
1733 if (self->notls)
1734 SKIP(return, "no TLS support");
1735
1736 ret = setsockopt(self->cfd2, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
1737 ASSERT_EQ(ret, 0);
1738
1739 ret = fork();
1740 ASSERT_GE(ret, 0);
1741
1742 if (ret) {
1743 usleep(1000); /* Give child a head start */
1744
1745 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1746 EXPECT_EQ(errno, EAGAIN);
1747
1748 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1749 EXPECT_EQ(errno, EAGAIN);
1750
1751 wait(&ret);
1752 } else {
1753 EXPECT_EQ(recv(self->cfd2, buf, sizeof(buf), 0), -1);
1754 EXPECT_EQ(errno, EAGAIN);
1755 exit(0);
1756 }
1757 }
1758
TEST_F(tls_err,poll_partial_rec)1759 TEST_F(tls_err, poll_partial_rec)
1760 {
1761 struct pollfd pfd = { };
1762 ssize_t rec_len;
1763 char rec[256];
1764 char buf[128];
1765
1766 if (self->notls)
1767 SKIP(return, "no TLS support");
1768
1769 pfd.fd = self->cfd2;
1770 pfd.events = POLLIN;
1771 EXPECT_EQ(poll(&pfd, 1, 1), 0);
1772
1773 memrnd(buf, sizeof(buf));
1774 EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf));
1775 rec_len = recv(self->cfd, rec, sizeof(rec), 0);
1776 EXPECT_GT(rec_len, sizeof(buf));
1777
1778 /* Write 100B, not the full record ... */
1779 EXPECT_EQ(send(self->fd2, rec, 100, 0), 100);
1780 /* ... no full record should mean no POLLIN */
1781 pfd.fd = self->cfd2;
1782 pfd.events = POLLIN;
1783 EXPECT_EQ(poll(&pfd, 1, 1), 0);
1784 /* Now write the rest, and it should all pop out of the other end. */
1785 EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0), rec_len - 100);
1786 pfd.fd = self->cfd2;
1787 pfd.events = POLLIN;
1788 EXPECT_EQ(poll(&pfd, 1, 1), 1);
1789 EXPECT_EQ(recv(self->cfd2, rec, sizeof(rec), 0), sizeof(buf));
1790 EXPECT_EQ(memcmp(buf, rec, sizeof(buf)), 0);
1791 }
1792
TEST_F(tls_err,epoll_partial_rec)1793 TEST_F(tls_err, epoll_partial_rec)
1794 {
1795 struct epoll_event ev, events[10];
1796 ssize_t rec_len;
1797 char rec[256];
1798 char buf[128];
1799 int epollfd;
1800
1801 if (self->notls)
1802 SKIP(return, "no TLS support");
1803
1804 epollfd = epoll_create1(0);
1805 ASSERT_GE(epollfd, 0);
1806
1807 memset(&ev, 0, sizeof(ev));
1808 ev.events = EPOLLIN;
1809 ev.data.fd = self->cfd2;
1810 ASSERT_GE(epoll_ctl(epollfd, EPOLL_CTL_ADD, self->cfd2, &ev), 0);
1811
1812 EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 0);
1813
1814 memrnd(buf, sizeof(buf));
1815 EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf));
1816 rec_len = recv(self->cfd, rec, sizeof(rec), 0);
1817 EXPECT_GT(rec_len, sizeof(buf));
1818
1819 /* Write 100B, not the full record ... */
1820 EXPECT_EQ(send(self->fd2, rec, 100, 0), 100);
1821 /* ... no full record should mean no POLLIN */
1822 EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 0);
1823 /* Now write the rest, and it should all pop out of the other end. */
1824 EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0), rec_len - 100);
1825 EXPECT_EQ(epoll_wait(epollfd, events, 10, 0), 1);
1826 EXPECT_EQ(recv(self->cfd2, rec, sizeof(rec), 0), sizeof(buf));
1827 EXPECT_EQ(memcmp(buf, rec, sizeof(buf)), 0);
1828
1829 close(epollfd);
1830 }
1831
TEST_F(tls_err,poll_partial_rec_async)1832 TEST_F(tls_err, poll_partial_rec_async)
1833 {
1834 struct pollfd pfd = { };
1835 ssize_t rec_len;
1836 char rec[256];
1837 char buf[128];
1838 char token;
1839 int p[2];
1840 int ret;
1841
1842 if (self->notls)
1843 SKIP(return, "no TLS support");
1844
1845 ASSERT_GE(pipe(p), 0);
1846
1847 memrnd(buf, sizeof(buf));
1848 EXPECT_EQ(send(self->fd, buf, sizeof(buf), 0), sizeof(buf));
1849 rec_len = recv(self->cfd, rec, sizeof(rec), 0);
1850 EXPECT_GT(rec_len, sizeof(buf));
1851
1852 ret = fork();
1853 ASSERT_GE(ret, 0);
1854
1855 if (ret) {
1856 int status, pid2;
1857
1858 close(p[1]);
1859 usleep(1000); /* Give child a head start */
1860
1861 EXPECT_EQ(send(self->fd2, rec, 100, 0), 100);
1862
1863 EXPECT_EQ(read(p[0], &token, 1), 1); /* Barrier #1 */
1864
1865 EXPECT_EQ(send(self->fd2, rec + 100, rec_len - 100, 0),
1866 rec_len - 100);
1867
1868 pid2 = wait(&status);
1869 EXPECT_EQ(pid2, ret);
1870 EXPECT_EQ(status, 0);
1871 } else {
1872 close(p[0]);
1873
1874 /* Child should sleep in poll(), never get a wake */
1875 pfd.fd = self->cfd2;
1876 pfd.events = POLLIN;
1877 EXPECT_EQ(poll(&pfd, 1, 5), 0);
1878
1879 EXPECT_EQ(write(p[1], &token, 1), 1); /* Barrier #1 */
1880
1881 pfd.fd = self->cfd2;
1882 pfd.events = POLLIN;
1883 EXPECT_EQ(poll(&pfd, 1, 5), 1);
1884
1885 exit(!_metadata->passed);
1886 }
1887 }
1888
TEST(non_established)1889 TEST(non_established) {
1890 struct tls12_crypto_info_aes_gcm_256 tls12;
1891 struct sockaddr_in addr;
1892 int sfd, ret, fd;
1893 socklen_t len;
1894
1895 len = sizeof(addr);
1896
1897 memset(&tls12, 0, sizeof(tls12));
1898 tls12.info.version = TLS_1_2_VERSION;
1899 tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1900
1901 addr.sin_family = AF_INET;
1902 addr.sin_addr.s_addr = htonl(INADDR_ANY);
1903 addr.sin_port = 0;
1904
1905 fd = socket(AF_INET, SOCK_STREAM, 0);
1906 sfd = socket(AF_INET, SOCK_STREAM, 0);
1907
1908 ret = bind(sfd, &addr, sizeof(addr));
1909 ASSERT_EQ(ret, 0);
1910 ret = listen(sfd, 10);
1911 ASSERT_EQ(ret, 0);
1912
1913 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1914 EXPECT_EQ(ret, -1);
1915 /* TLS ULP not supported */
1916 if (errno == ENOENT)
1917 return;
1918 EXPECT_EQ(errno, ENOTCONN);
1919
1920 ret = setsockopt(sfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1921 EXPECT_EQ(ret, -1);
1922 EXPECT_EQ(errno, ENOTCONN);
1923
1924 ret = getsockname(sfd, &addr, &len);
1925 ASSERT_EQ(ret, 0);
1926
1927 ret = connect(fd, &addr, sizeof(addr));
1928 ASSERT_EQ(ret, 0);
1929
1930 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1931 ASSERT_EQ(ret, 0);
1932
1933 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
1934 EXPECT_EQ(ret, -1);
1935 EXPECT_EQ(errno, EEXIST);
1936
1937 close(fd);
1938 close(sfd);
1939 }
1940
TEST(keysizes)1941 TEST(keysizes) {
1942 struct tls12_crypto_info_aes_gcm_256 tls12;
1943 int ret, fd, cfd;
1944 bool notls;
1945
1946 memset(&tls12, 0, sizeof(tls12));
1947 tls12.info.version = TLS_1_2_VERSION;
1948 tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1949
1950 ulp_sock_pair(_metadata, &fd, &cfd, ¬ls);
1951
1952 if (!notls) {
1953 ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
1954 sizeof(tls12));
1955 EXPECT_EQ(ret, 0);
1956
1957 ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
1958 sizeof(tls12));
1959 EXPECT_EQ(ret, 0);
1960 }
1961
1962 close(fd);
1963 close(cfd);
1964 }
1965
TEST(no_pad)1966 TEST(no_pad) {
1967 struct tls12_crypto_info_aes_gcm_256 tls12;
1968 int ret, fd, cfd, val;
1969 socklen_t len;
1970 bool notls;
1971
1972 memset(&tls12, 0, sizeof(tls12));
1973 tls12.info.version = TLS_1_3_VERSION;
1974 tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
1975
1976 ulp_sock_pair(_metadata, &fd, &cfd, ¬ls);
1977
1978 if (notls)
1979 exit(KSFT_SKIP);
1980
1981 ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12, sizeof(tls12));
1982 EXPECT_EQ(ret, 0);
1983
1984 ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12, sizeof(tls12));
1985 EXPECT_EQ(ret, 0);
1986
1987 val = 1;
1988 ret = setsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
1989 (void *)&val, sizeof(val));
1990 EXPECT_EQ(ret, 0);
1991
1992 len = sizeof(val);
1993 val = 2;
1994 ret = getsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
1995 (void *)&val, &len);
1996 EXPECT_EQ(ret, 0);
1997 EXPECT_EQ(val, 1);
1998 EXPECT_EQ(len, 4);
1999
2000 val = 0;
2001 ret = setsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
2002 (void *)&val, sizeof(val));
2003 EXPECT_EQ(ret, 0);
2004
2005 len = sizeof(val);
2006 val = 2;
2007 ret = getsockopt(cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
2008 (void *)&val, &len);
2009 EXPECT_EQ(ret, 0);
2010 EXPECT_EQ(val, 0);
2011 EXPECT_EQ(len, 4);
2012
2013 close(fd);
2014 close(cfd);
2015 }
2016
TEST(tls_v6ops)2017 TEST(tls_v6ops) {
2018 struct tls_crypto_info_keys tls12;
2019 struct sockaddr_in6 addr, addr2;
2020 int sfd, ret, fd;
2021 socklen_t len, len2;
2022
2023 tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_128, &tls12);
2024
2025 addr.sin6_family = AF_INET6;
2026 addr.sin6_addr = in6addr_any;
2027 addr.sin6_port = 0;
2028
2029 fd = socket(AF_INET6, SOCK_STREAM, 0);
2030 sfd = socket(AF_INET6, SOCK_STREAM, 0);
2031
2032 ret = bind(sfd, &addr, sizeof(addr));
2033 ASSERT_EQ(ret, 0);
2034 ret = listen(sfd, 10);
2035 ASSERT_EQ(ret, 0);
2036
2037 len = sizeof(addr);
2038 ret = getsockname(sfd, &addr, &len);
2039 ASSERT_EQ(ret, 0);
2040
2041 ret = connect(fd, &addr, sizeof(addr));
2042 ASSERT_EQ(ret, 0);
2043
2044 len = sizeof(addr);
2045 ret = getsockname(fd, &addr, &len);
2046 ASSERT_EQ(ret, 0);
2047
2048 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
2049 if (ret) {
2050 ASSERT_EQ(errno, ENOENT);
2051 SKIP(return, "no TLS support");
2052 }
2053 ASSERT_EQ(ret, 0);
2054
2055 ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12, tls12.len);
2056 ASSERT_EQ(ret, 0);
2057
2058 ret = setsockopt(fd, SOL_TLS, TLS_RX, &tls12, tls12.len);
2059 ASSERT_EQ(ret, 0);
2060
2061 len2 = sizeof(addr2);
2062 ret = getsockname(fd, &addr2, &len2);
2063 ASSERT_EQ(ret, 0);
2064
2065 EXPECT_EQ(len2, len);
2066 EXPECT_EQ(memcmp(&addr, &addr2, len), 0);
2067
2068 close(fd);
2069 close(sfd);
2070 }
2071
TEST(prequeue)2072 TEST(prequeue) {
2073 struct tls_crypto_info_keys tls12;
2074 char buf[20000], buf2[20000];
2075 struct sockaddr_in addr;
2076 int sfd, cfd, ret, fd;
2077 socklen_t len;
2078
2079 len = sizeof(addr);
2080 memrnd(buf, sizeof(buf));
2081
2082 tls_crypto_info_init(TLS_1_2_VERSION, TLS_CIPHER_AES_GCM_256, &tls12);
2083
2084 addr.sin_family = AF_INET;
2085 addr.sin_addr.s_addr = htonl(INADDR_ANY);
2086 addr.sin_port = 0;
2087
2088 fd = socket(AF_INET, SOCK_STREAM, 0);
2089 sfd = socket(AF_INET, SOCK_STREAM, 0);
2090
2091 ASSERT_EQ(bind(sfd, &addr, sizeof(addr)), 0);
2092 ASSERT_EQ(listen(sfd, 10), 0);
2093 ASSERT_EQ(getsockname(sfd, &addr, &len), 0);
2094 ASSERT_EQ(connect(fd, &addr, sizeof(addr)), 0);
2095 ASSERT_GE(cfd = accept(sfd, &addr, &len), 0);
2096 close(sfd);
2097
2098 ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
2099 if (ret) {
2100 ASSERT_EQ(errno, ENOENT);
2101 SKIP(return, "no TLS support");
2102 }
2103
2104 ASSERT_EQ(setsockopt(fd, SOL_TLS, TLS_TX, &tls12, tls12.len), 0);
2105 EXPECT_EQ(send(fd, buf, sizeof(buf), MSG_DONTWAIT), sizeof(buf));
2106
2107 ASSERT_EQ(setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls")), 0);
2108 ASSERT_EQ(setsockopt(cfd, SOL_TLS, TLS_RX, &tls12, tls12.len), 0);
2109 EXPECT_EQ(recv(cfd, buf2, sizeof(buf2), MSG_WAITALL), sizeof(buf2));
2110
2111 EXPECT_EQ(memcmp(buf, buf2, sizeof(buf)), 0);
2112
2113 close(fd);
2114 close(cfd);
2115 }
2116
fips_check(void)2117 static void __attribute__((constructor)) fips_check(void) {
2118 int res;
2119 FILE *f;
2120
2121 f = fopen("/proc/sys/crypto/fips_enabled", "r");
2122 if (f) {
2123 res = fscanf(f, "%d", &fips_enabled);
2124 if (res != 1)
2125 ksft_print_msg("ERROR: Couldn't read /proc/sys/crypto/fips_enabled\n");
2126 fclose(f);
2127 }
2128 }
2129
2130 TEST_HARNESS_MAIN
2131