1 /*
2 * Copyright 2016-2023 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <string.h>
11 #include <openssl/bio.h>
12 #include <openssl/crypto.h>
13 #include <openssl/ssl.h>
14 #include <openssl/err.h>
15
16 #include "helpers/ssltestlib.h"
17 #include "testutil.h"
18
19 static char *cert = NULL;
20 static char *privkey = NULL;
21 static unsigned int timer_cb_count;
22
23 #define NUM_TESTS 2
24
25
26 #define DUMMY_CERT_STATUS_LEN 12
27
28 static unsigned char certstatus[] = {
29 SSL3_RT_HANDSHAKE, /* Content type */
30 0xfe, 0xfd, /* Record version */
31 0, 1, /* Epoch */
32 0, 0, 0, 0, 0, 0x0f, /* Record sequence number */
33 0, DTLS1_HM_HEADER_LENGTH + DUMMY_CERT_STATUS_LEN - 2,
34 SSL3_MT_CERTIFICATE_STATUS, /* Cert Status handshake message type */
35 0, 0, DUMMY_CERT_STATUS_LEN, /* Message len */
36 0, 5, /* Message sequence */
37 0, 0, 0, /* Fragment offset */
38 0, 0, DUMMY_CERT_STATUS_LEN - 2, /* Fragment len */
39 0x80, 0x80, 0x80, 0x80, 0x80,
40 0x80, 0x80, 0x80, 0x80, 0x80 /* Dummy data */
41 };
42
43 #define RECORD_SEQUENCE 10
44
45 static const char dummy_cookie[] = "0123456";
46
generate_cookie_cb(SSL * ssl,unsigned char * cookie,unsigned int * cookie_len)47 static int generate_cookie_cb(SSL *ssl, unsigned char *cookie,
48 unsigned int *cookie_len)
49 {
50 memcpy(cookie, dummy_cookie, sizeof(dummy_cookie));
51 *cookie_len = sizeof(dummy_cookie);
52 return 1;
53 }
54
verify_cookie_cb(SSL * ssl,const unsigned char * cookie,unsigned int cookie_len)55 static int verify_cookie_cb(SSL *ssl, const unsigned char *cookie,
56 unsigned int cookie_len)
57 {
58 return TEST_mem_eq(cookie, cookie_len, dummy_cookie, sizeof(dummy_cookie));
59 }
60
timer_cb(SSL * s,unsigned int timer_us)61 static unsigned int timer_cb(SSL *s, unsigned int timer_us)
62 {
63 ++timer_cb_count;
64
65 if (timer_us == 0)
66 return 50000;
67 else
68 return 2 * timer_us;
69 }
70
test_dtls_unprocessed(int testidx)71 static int test_dtls_unprocessed(int testidx)
72 {
73 SSL_CTX *sctx = NULL, *cctx = NULL;
74 SSL *serverssl1 = NULL, *clientssl1 = NULL;
75 BIO *c_to_s_fbio, *c_to_s_mempacket;
76 int testresult = 0;
77
78 timer_cb_count = 0;
79
80 if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
81 DTLS_client_method(),
82 DTLS1_VERSION, 0,
83 &sctx, &cctx, cert, privkey)))
84 return 0;
85
86 #ifndef OPENSSL_NO_DTLS1_2
87 if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "AES128-SHA")))
88 goto end;
89 #else
90 /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
91 if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "AES128-SHA:@SECLEVEL=0"))
92 || !TEST_true(SSL_CTX_set_cipher_list(cctx,
93 "AES128-SHA:@SECLEVEL=0")))
94 goto end;
95 #endif
96
97 c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
98 if (!TEST_ptr(c_to_s_fbio))
99 goto end;
100
101 /* BIO is freed by create_ssl_connection on error */
102 if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1,
103 NULL, c_to_s_fbio)))
104 goto end;
105
106 DTLS_set_timer_cb(clientssl1, timer_cb);
107
108 if (testidx == 1)
109 certstatus[RECORD_SEQUENCE] = 0xff;
110
111 /*
112 * Inject a dummy record from the next epoch. In test 0, this should never
113 * get used because the message sequence number is too big. In test 1 we set
114 * the record sequence number to be way off in the future.
115 */
116 c_to_s_mempacket = SSL_get_wbio(clientssl1);
117 c_to_s_mempacket = BIO_next(c_to_s_mempacket);
118 mempacket_test_inject(c_to_s_mempacket, (char *)certstatus,
119 sizeof(certstatus), 1, INJECT_PACKET_IGNORE_REC_SEQ);
120
121 /*
122 * Create the connection. We use "create_bare_ssl_connection" here so that
123 * we can force the connection to not do "SSL_read" once partly connected.
124 * We don't want to accidentally read the dummy records we injected because
125 * they will fail to decrypt.
126 */
127 if (!TEST_true(create_bare_ssl_connection(serverssl1, clientssl1,
128 SSL_ERROR_NONE, 0, 0)))
129 goto end;
130
131 if (timer_cb_count == 0) {
132 printf("timer_callback was not called.\n");
133 goto end;
134 }
135
136 testresult = 1;
137 end:
138 SSL_free(serverssl1);
139 SSL_free(clientssl1);
140 SSL_CTX_free(sctx);
141 SSL_CTX_free(cctx);
142
143 return testresult;
144 }
145
146 /* One record for the cookieless initial ClientHello */
147 #define CLI_TO_SRV_COOKIE_EXCH 1
148
149 /*
150 * In a resumption handshake we use 2 records for the initial ClientHello in
151 * this test because we are using a very small MTU and the ClientHello is
152 * bigger than in the non resumption case.
153 */
154 #define CLI_TO_SRV_RESUME_COOKIE_EXCH 2
155 #define SRV_TO_CLI_COOKIE_EXCH 1
156
157 #define CLI_TO_SRV_EPOCH_0_RECS 3
158 #define CLI_TO_SRV_EPOCH_1_RECS 1
159 #if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
160 # define SRV_TO_CLI_EPOCH_0_RECS 10
161 #else
162 /*
163 * In this case we have no ServerKeyExchange message, because we don't have
164 * ECDHE or DHE. When it is present it gets fragmented into 3 records in this
165 * test.
166 */
167 # define SRV_TO_CLI_EPOCH_0_RECS 9
168 #endif
169 #define SRV_TO_CLI_EPOCH_1_RECS 1
170 #define TOTAL_FULL_HAND_RECORDS \
171 (CLI_TO_SRV_COOKIE_EXCH + SRV_TO_CLI_COOKIE_EXCH + \
172 CLI_TO_SRV_EPOCH_0_RECS + CLI_TO_SRV_EPOCH_1_RECS + \
173 SRV_TO_CLI_EPOCH_0_RECS + SRV_TO_CLI_EPOCH_1_RECS)
174
175 #define CLI_TO_SRV_RESUME_EPOCH_0_RECS 3
176 #define CLI_TO_SRV_RESUME_EPOCH_1_RECS 1
177 #define SRV_TO_CLI_RESUME_EPOCH_0_RECS 2
178 #define SRV_TO_CLI_RESUME_EPOCH_1_RECS 1
179 #define TOTAL_RESUME_HAND_RECORDS \
180 (CLI_TO_SRV_RESUME_COOKIE_EXCH + SRV_TO_CLI_COOKIE_EXCH + \
181 CLI_TO_SRV_RESUME_EPOCH_0_RECS + CLI_TO_SRV_RESUME_EPOCH_1_RECS + \
182 SRV_TO_CLI_RESUME_EPOCH_0_RECS + SRV_TO_CLI_RESUME_EPOCH_1_RECS)
183
184 #define TOTAL_RECORDS (TOTAL_FULL_HAND_RECORDS + TOTAL_RESUME_HAND_RECORDS)
185
186 /*
187 * We are assuming a ServerKeyExchange message is sent in this test. If we don't
188 * have either DH or EC, then it won't be
189 */
190 #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_EC)
test_dtls_drop_records(int idx)191 static int test_dtls_drop_records(int idx)
192 {
193 SSL_CTX *sctx = NULL, *cctx = NULL;
194 SSL *serverssl = NULL, *clientssl = NULL;
195 BIO *c_to_s_fbio, *mempackbio;
196 int testresult = 0;
197 int epoch = 0;
198 SSL_SESSION *sess = NULL;
199 int cli_to_srv_cookie, cli_to_srv_epoch0, cli_to_srv_epoch1;
200 int srv_to_cli_epoch0;
201
202 if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
203 DTLS_client_method(),
204 DTLS1_VERSION, 0,
205 &sctx, &cctx, cert, privkey)))
206 return 0;
207
208 #ifdef OPENSSL_NO_DTLS1_2
209 /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
210 if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0"))
211 || !TEST_true(SSL_CTX_set_cipher_list(cctx,
212 "DEFAULT:@SECLEVEL=0")))
213 goto end;
214 #endif
215
216 if (!TEST_true(SSL_CTX_set_dh_auto(sctx, 1)))
217 goto end;
218
219 SSL_CTX_set_options(sctx, SSL_OP_COOKIE_EXCHANGE);
220 SSL_CTX_set_cookie_generate_cb(sctx, generate_cookie_cb);
221 SSL_CTX_set_cookie_verify_cb(sctx, verify_cookie_cb);
222
223 if (idx >= TOTAL_FULL_HAND_RECORDS) {
224 /* We're going to do a resumption handshake. Get a session first. */
225 if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
226 NULL, NULL))
227 || !TEST_true(create_ssl_connection(serverssl, clientssl,
228 SSL_ERROR_NONE))
229 || !TEST_ptr(sess = SSL_get1_session(clientssl)))
230 goto end;
231
232 SSL_shutdown(clientssl);
233 SSL_shutdown(serverssl);
234 SSL_free(serverssl);
235 SSL_free(clientssl);
236 serverssl = clientssl = NULL;
237
238 cli_to_srv_epoch0 = CLI_TO_SRV_RESUME_EPOCH_0_RECS;
239 cli_to_srv_epoch1 = CLI_TO_SRV_RESUME_EPOCH_1_RECS;
240 srv_to_cli_epoch0 = SRV_TO_CLI_RESUME_EPOCH_0_RECS;
241 cli_to_srv_cookie = CLI_TO_SRV_RESUME_COOKIE_EXCH;
242 idx -= TOTAL_FULL_HAND_RECORDS;
243 } else {
244 cli_to_srv_epoch0 = CLI_TO_SRV_EPOCH_0_RECS;
245 cli_to_srv_epoch1 = CLI_TO_SRV_EPOCH_1_RECS;
246 srv_to_cli_epoch0 = SRV_TO_CLI_EPOCH_0_RECS;
247 cli_to_srv_cookie = CLI_TO_SRV_COOKIE_EXCH;
248 }
249
250 c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
251 if (!TEST_ptr(c_to_s_fbio))
252 goto end;
253
254 /* BIO is freed by create_ssl_connection on error */
255 if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
256 NULL, c_to_s_fbio)))
257 goto end;
258
259 if (sess != NULL) {
260 if (!TEST_true(SSL_set_session(clientssl, sess)))
261 goto end;
262 }
263
264 DTLS_set_timer_cb(clientssl, timer_cb);
265 DTLS_set_timer_cb(serverssl, timer_cb);
266
267 /* Work out which record to drop based on the test number */
268 if (idx >= cli_to_srv_cookie + cli_to_srv_epoch0 + cli_to_srv_epoch1) {
269 mempackbio = SSL_get_wbio(serverssl);
270 idx -= cli_to_srv_cookie + cli_to_srv_epoch0 + cli_to_srv_epoch1;
271 if (idx >= SRV_TO_CLI_COOKIE_EXCH + srv_to_cli_epoch0) {
272 epoch = 1;
273 idx -= SRV_TO_CLI_COOKIE_EXCH + srv_to_cli_epoch0;
274 }
275 } else {
276 mempackbio = SSL_get_wbio(clientssl);
277 if (idx >= cli_to_srv_cookie + cli_to_srv_epoch0) {
278 epoch = 1;
279 idx -= cli_to_srv_cookie + cli_to_srv_epoch0;
280 }
281 mempackbio = BIO_next(mempackbio);
282 }
283 BIO_ctrl(mempackbio, MEMPACKET_CTRL_SET_DROP_EPOCH, epoch, NULL);
284 BIO_ctrl(mempackbio, MEMPACKET_CTRL_SET_DROP_REC, idx, NULL);
285
286 if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)))
287 goto end;
288
289 if (sess != NULL && !TEST_true(SSL_session_reused(clientssl)))
290 goto end;
291
292 /* If the test did what we planned then it should have dropped a record */
293 if (!TEST_int_eq((int)BIO_ctrl(mempackbio, MEMPACKET_CTRL_GET_DROP_REC, 0,
294 NULL), -1))
295 goto end;
296
297 testresult = 1;
298 end:
299 SSL_SESSION_free(sess);
300 SSL_free(serverssl);
301 SSL_free(clientssl);
302 SSL_CTX_free(sctx);
303 SSL_CTX_free(cctx);
304
305 return testresult;
306 }
307 #endif /* !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_EC) */
308
test_cookie(void)309 static int test_cookie(void)
310 {
311 SSL_CTX *sctx = NULL, *cctx = NULL;
312 SSL *serverssl = NULL, *clientssl = NULL;
313 int testresult = 0;
314
315 if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
316 DTLS_client_method(),
317 DTLS1_VERSION, 0,
318 &sctx, &cctx, cert, privkey)))
319 return 0;
320
321 SSL_CTX_set_options(sctx, SSL_OP_COOKIE_EXCHANGE);
322 SSL_CTX_set_cookie_generate_cb(sctx, generate_cookie_cb);
323 SSL_CTX_set_cookie_verify_cb(sctx, verify_cookie_cb);
324
325 #ifdef OPENSSL_NO_DTLS1_2
326 /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
327 if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0"))
328 || !TEST_true(SSL_CTX_set_cipher_list(cctx,
329 "DEFAULT:@SECLEVEL=0")))
330 goto end;
331 #endif
332
333 if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
334 NULL, NULL))
335 || !TEST_true(create_ssl_connection(serverssl, clientssl,
336 SSL_ERROR_NONE)))
337 goto end;
338
339 testresult = 1;
340 end:
341 SSL_free(serverssl);
342 SSL_free(clientssl);
343 SSL_CTX_free(sctx);
344 SSL_CTX_free(cctx);
345
346 return testresult;
347 }
348
test_dtls_duplicate_records(void)349 static int test_dtls_duplicate_records(void)
350 {
351 SSL_CTX *sctx = NULL, *cctx = NULL;
352 SSL *serverssl = NULL, *clientssl = NULL;
353 int testresult = 0;
354
355 if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
356 DTLS_client_method(),
357 DTLS1_VERSION, 0,
358 &sctx, &cctx, cert, privkey)))
359 return 0;
360
361 #ifdef OPENSSL_NO_DTLS1_2
362 /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
363 if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0"))
364 || !TEST_true(SSL_CTX_set_cipher_list(cctx,
365 "DEFAULT:@SECLEVEL=0")))
366 goto end;
367 #endif
368
369 if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
370 NULL, NULL)))
371 goto end;
372
373 DTLS_set_timer_cb(clientssl, timer_cb);
374 DTLS_set_timer_cb(serverssl, timer_cb);
375
376 BIO_ctrl(SSL_get_wbio(clientssl), MEMPACKET_CTRL_SET_DUPLICATE_REC, 1, NULL);
377 BIO_ctrl(SSL_get_wbio(serverssl), MEMPACKET_CTRL_SET_DUPLICATE_REC, 1, NULL);
378
379 if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)))
380 goto end;
381
382 testresult = 1;
383 end:
384 SSL_free(serverssl);
385 SSL_free(clientssl);
386 SSL_CTX_free(sctx);
387 SSL_CTX_free(cctx);
388
389 return testresult;
390 }
391
392 /*
393 * Test just sending a Finished message as the first message. Should fail due
394 * to an unexpected message.
395 */
test_just_finished(void)396 static int test_just_finished(void)
397 {
398 int testresult = 0, ret;
399 SSL_CTX *sctx = NULL;
400 SSL *serverssl = NULL;
401 BIO *rbio = NULL, *wbio = NULL, *sbio = NULL;
402 unsigned char buf[] = {
403 /* Record header */
404 SSL3_RT_HANDSHAKE, /* content type */
405 (DTLS1_2_VERSION >> 8) & 0xff, /* protocol version hi byte */
406 DTLS1_2_VERSION & 0xff, /* protocol version lo byte */
407 0, 0, /* epoch */
408 0, 0, 0, 0, 0, 0, /* record sequence */
409 0, DTLS1_HM_HEADER_LENGTH + SHA_DIGEST_LENGTH, /* record length */
410
411 /* Message header */
412 SSL3_MT_FINISHED, /* message type */
413 0, 0, SHA_DIGEST_LENGTH, /* message length */
414 0, 0, /* message sequence */
415 0, 0, 0, /* fragment offset */
416 0, 0, SHA_DIGEST_LENGTH, /* fragment length */
417
418 /* Message body */
419 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
420 };
421
422
423 if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
424 NULL, 0, 0,
425 &sctx, NULL, cert, privkey)))
426 return 0;
427
428 #ifdef OPENSSL_NO_DTLS1_2
429 /* DTLSv1 is not allowed at the default security level */
430 if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0")))
431 goto end;
432 #endif
433
434 serverssl = SSL_new(sctx);
435 rbio = BIO_new(BIO_s_mem());
436 wbio = BIO_new(BIO_s_mem());
437
438 if (!TEST_ptr(serverssl) || !TEST_ptr(rbio) || !TEST_ptr(wbio))
439 goto end;
440
441 sbio = rbio;
442 SSL_set0_rbio(serverssl, rbio);
443 SSL_set0_wbio(serverssl, wbio);
444 rbio = wbio = NULL;
445 DTLS_set_timer_cb(serverssl, timer_cb);
446
447 if (!TEST_int_eq(BIO_write(sbio, buf, sizeof(buf)), sizeof(buf)))
448 goto end;
449
450 /* We expect the attempt to process the message to fail */
451 if (!TEST_int_le(ret = SSL_accept(serverssl), 0))
452 goto end;
453
454 /* Check that we got the error we were expecting */
455 if (!TEST_int_eq(SSL_get_error(serverssl, ret), SSL_ERROR_SSL))
456 goto end;
457
458 if (!TEST_int_eq(ERR_GET_REASON(ERR_get_error()), SSL_R_UNEXPECTED_MESSAGE))
459 goto end;
460
461 testresult = 1;
462 end:
463 BIO_free(rbio);
464 BIO_free(wbio);
465 SSL_free(serverssl);
466 SSL_CTX_free(sctx);
467
468 return testresult;
469 }
470
471 /*
472 * Test that swapping later records before Finished or CCS still works
473 * Test 0: Test receiving a handshake record early from next epoch on server side
474 * Test 1: Test receiving a handshake record early from next epoch on client side
475 * Test 2: Test receiving an app data record early from next epoch on client side
476 * Test 3: Test receiving an app data before Finished on client side
477 */
test_swap_records(int idx)478 static int test_swap_records(int idx)
479 {
480 SSL_CTX *sctx = NULL, *cctx = NULL;
481 SSL *sssl = NULL, *cssl = NULL;
482 int testresult = 0;
483 BIO *bio;
484 char msg[] = { 0x00, 0x01, 0x02, 0x03 };
485 char buf[10];
486
487 if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
488 DTLS_client_method(),
489 DTLS1_VERSION, 0,
490 &sctx, &cctx, cert, privkey)))
491 return 0;
492
493 #ifndef OPENSSL_NO_DTLS1_2
494 if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "AES128-SHA")))
495 goto end;
496 #else
497 /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
498 if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "AES128-SHA:@SECLEVEL=0"))
499 || !TEST_true(SSL_CTX_set_cipher_list(cctx,
500 "AES128-SHA:@SECLEVEL=0")))
501 goto end;
502 #endif
503
504 if (!TEST_true(create_ssl_objects(sctx, cctx, &sssl, &cssl,
505 NULL, NULL)))
506 goto end;
507
508 /* Send flight 1: ClientHello */
509 if (!TEST_int_le(SSL_connect(cssl), 0))
510 goto end;
511
512 /* Recv flight 1, send flight 2: ServerHello, Certificate, ServerHelloDone */
513 if (!TEST_int_le(SSL_accept(sssl), 0))
514 goto end;
515
516 /* Recv flight 2, send flight 3: ClientKeyExchange, CCS, Finished */
517 if (!TEST_int_le(SSL_connect(cssl), 0))
518 goto end;
519
520 if (idx == 0) {
521 /* Swap Finished and CCS within the datagram */
522 bio = SSL_get_wbio(cssl);
523 if (!TEST_ptr(bio)
524 || !TEST_true(mempacket_swap_epoch(bio)))
525 goto end;
526 }
527
528 /* Recv flight 3, send flight 4: datagram 0(NST, CCS) datagram 1(Finished) */
529 if (!TEST_int_gt(SSL_accept(sssl), 0))
530 goto end;
531
532 /* Send flight 4 (cont'd): datagram 2(app data) */
533 if (!TEST_int_eq(SSL_write(sssl, msg, sizeof(msg)), (int)sizeof(msg)))
534 goto end;
535
536 bio = SSL_get_wbio(sssl);
537 if (!TEST_ptr(bio))
538 goto end;
539 if (idx == 1) {
540 /* Finished comes before NST/CCS */
541 if (!TEST_true(mempacket_move_packet(bio, 0, 1)))
542 goto end;
543 } else if (idx == 2) {
544 /* App data comes before NST/CCS */
545 if (!TEST_true(mempacket_move_packet(bio, 0, 2)))
546 goto end;
547 } else if (idx == 3) {
548 /* App data comes before Finished */
549 bio = SSL_get_wbio(sssl);
550 if (!TEST_true(mempacket_move_packet(bio, 1, 2)))
551 goto end;
552 }
553
554 /*
555 * Recv flight 4 (datagram 1): NST, CCS, + flight 5: app data
556 * + flight 4 (datagram 2): Finished
557 */
558 if (!TEST_int_gt(SSL_connect(cssl), 0))
559 goto end;
560
561 if (idx == 0 || idx == 1) {
562 /* App data was not received early, so it should not be pending */
563 if (!TEST_int_eq(SSL_pending(cssl), 0)
564 || !TEST_false(SSL_has_pending(cssl)))
565 goto end;
566
567 } else {
568 /* We received the app data early so it should be buffered already */
569 if (!TEST_int_eq(SSL_pending(cssl), (int)sizeof(msg))
570 || !TEST_true(SSL_has_pending(cssl)))
571 goto end;
572 }
573
574 /*
575 * Recv flight 5 (app data)
576 */
577 if (!TEST_int_eq(SSL_read(cssl, buf, sizeof(buf)), (int)sizeof(msg)))
578 goto end;
579
580 testresult = 1;
581 end:
582 SSL_free(cssl);
583 SSL_free(sssl);
584 SSL_CTX_free(cctx);
585 SSL_CTX_free(sctx);
586
587 return testresult;
588 }
589
590 /* Confirm that we can create a connections using DTLSv1_listen() */
test_listen(void)591 static int test_listen(void)
592 {
593 SSL_CTX *sctx = NULL, *cctx = NULL;
594 SSL *serverssl = NULL, *clientssl = NULL;
595 int testresult = 0;
596
597 if (!TEST_true(create_ssl_ctx_pair(NULL, DTLS_server_method(),
598 DTLS_client_method(),
599 DTLS1_VERSION, 0,
600 &sctx, &cctx, cert, privkey)))
601 return 0;
602
603 #ifdef OPENSSL_NO_DTLS1_2
604 /* Default sigalgs are SHA1 based in <DTLS1.2 which is in security level 0 */
605 if (!TEST_true(SSL_CTX_set_cipher_list(sctx, "DEFAULT:@SECLEVEL=0"))
606 || !TEST_true(SSL_CTX_set_cipher_list(cctx,
607 "DEFAULT:@SECLEVEL=0")))
608 goto end;
609 #endif
610
611 SSL_CTX_set_cookie_generate_cb(sctx, generate_cookie_cb);
612 SSL_CTX_set_cookie_verify_cb(sctx, verify_cookie_cb);
613
614 if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
615 NULL, NULL)))
616 goto end;
617
618 DTLS_set_timer_cb(clientssl, timer_cb);
619 DTLS_set_timer_cb(serverssl, timer_cb);
620
621 /*
622 * The last parameter to create_bare_ssl_connection() requests that
623 * DTLSv1_listen() is used.
624 */
625 if (!TEST_true(create_bare_ssl_connection(serverssl, clientssl,
626 SSL_ERROR_NONE, 1, 1)))
627 goto end;
628
629 testresult = 1;
630 end:
631 SSL_free(serverssl);
632 SSL_free(clientssl);
633 SSL_CTX_free(sctx);
634 SSL_CTX_free(cctx);
635
636 return testresult;
637 }
638
639 OPT_TEST_DECLARE_USAGE("certfile privkeyfile\n")
640
setup_tests(void)641 int setup_tests(void)
642 {
643 if (!test_skip_common_options()) {
644 TEST_error("Error parsing test options\n");
645 return 0;
646 }
647
648 if (!TEST_ptr(cert = test_get_argument(0))
649 || !TEST_ptr(privkey = test_get_argument(1)))
650 return 0;
651
652 ADD_ALL_TESTS(test_dtls_unprocessed, NUM_TESTS);
653 #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_EC)
654 ADD_ALL_TESTS(test_dtls_drop_records, TOTAL_RECORDS);
655 #endif
656 ADD_TEST(test_cookie);
657 ADD_TEST(test_dtls_duplicate_records);
658 ADD_TEST(test_just_finished);
659 ADD_ALL_TESTS(test_swap_records, 4);
660 ADD_TEST(test_listen);
661
662 return 1;
663 }
664
cleanup_tests(void)665 void cleanup_tests(void)
666 {
667 bio_f_tls_dump_filter_free();
668 bio_s_mempacket_test_free();
669 }
670