/
sslapitest.c
6748 lines (5871 loc) · 230 KB
/
sslapitest.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <string.h>
#include <openssl/opensslconf.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/ssl.h>
#include <openssl/ocsp.h>
#include <openssl/srp.h>
#include <openssl/txt_db.h>
#include <openssl/aes.h>
#include "ssltestlib.h"
#include "testutil.h"
#include "testutil/output.h"
#include "internal/nelem.h"
#include "../ssl/ssl_local.h"
#ifndef OPENSSL_NO_TLS1_3
static SSL_SESSION *clientpsk = NULL;
static SSL_SESSION *serverpsk = NULL;
static const char *pskid = "Identity";
static const char *srvid;
static int use_session_cb(SSL *ssl, const EVP_MD *md, const unsigned char **id,
size_t *idlen, SSL_SESSION **sess);
static int find_session_cb(SSL *ssl, const unsigned char *identity,
size_t identity_len, SSL_SESSION **sess);
static int use_session_cb_cnt = 0;
static int find_session_cb_cnt = 0;
static SSL_SESSION *create_a_psk(SSL *ssl);
#endif
static char *certsdir = NULL;
static char *cert = NULL;
static char *privkey = NULL;
static char *srpvfile = NULL;
static char *tmpfilename = NULL;
#define LOG_BUFFER_SIZE 2048
static char server_log_buffer[LOG_BUFFER_SIZE + 1] = {0};
static size_t server_log_buffer_index = 0;
static char client_log_buffer[LOG_BUFFER_SIZE + 1] = {0};
static size_t client_log_buffer_index = 0;
static int error_writing_log = 0;
#ifndef OPENSSL_NO_OCSP
static const unsigned char orespder[] = "Dummy OCSP Response";
static int ocsp_server_called = 0;
static int ocsp_client_called = 0;
static int cdummyarg = 1;
static X509 *ocspcert = NULL;
#endif
#define NUM_EXTRA_CERTS 40
#define CLIENT_VERSION_LEN 2
/*
* This structure is used to validate that the correct number of log messages
* of various types are emitted when emitting secret logs.
*/
struct sslapitest_log_counts {
unsigned int rsa_key_exchange_count;
unsigned int master_secret_count;
unsigned int client_early_secret_count;
unsigned int client_handshake_secret_count;
unsigned int server_handshake_secret_count;
unsigned int client_application_secret_count;
unsigned int server_application_secret_count;
unsigned int early_exporter_secret_count;
unsigned int exporter_secret_count;
};
static unsigned char serverinfov1[] = {
0xff, 0xff, /* Dummy extension type */
0x00, 0x01, /* Extension length is 1 byte */
0xff /* Dummy extension data */
};
static unsigned char serverinfov2[] = {
0x00, 0x00, 0x00,
(unsigned char)(SSL_EXT_CLIENT_HELLO & 0xff), /* Dummy context - 4 bytes */
0xff, 0xff, /* Dummy extension type */
0x00, 0x01, /* Extension length is 1 byte */
0xff /* Dummy extension data */
};
static int hostname_cb(SSL *s, int *al, void *arg)
{
const char *hostname = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
if (hostname != NULL && (strcmp(hostname, "goodhost") == 0
|| strcmp(hostname, "altgoodhost") == 0))
return SSL_TLSEXT_ERR_OK;
return SSL_TLSEXT_ERR_NOACK;
}
static void client_keylog_callback(const SSL *ssl, const char *line)
{
int line_length = strlen(line);
/* If the log doesn't fit, error out. */
if (client_log_buffer_index + line_length > sizeof(client_log_buffer) - 1) {
TEST_info("Client log too full");
error_writing_log = 1;
return;
}
strcat(client_log_buffer, line);
client_log_buffer_index += line_length;
client_log_buffer[client_log_buffer_index++] = '\n';
}
static void server_keylog_callback(const SSL *ssl, const char *line)
{
int line_length = strlen(line);
/* If the log doesn't fit, error out. */
if (server_log_buffer_index + line_length > sizeof(server_log_buffer) - 1) {
TEST_info("Server log too full");
error_writing_log = 1;
return;
}
strcat(server_log_buffer, line);
server_log_buffer_index += line_length;
server_log_buffer[server_log_buffer_index++] = '\n';
}
static int compare_hex_encoded_buffer(const char *hex_encoded,
size_t hex_length,
const uint8_t *raw,
size_t raw_length)
{
size_t i, j;
char hexed[3];
if (!TEST_size_t_eq(raw_length * 2, hex_length))
return 1;
for (i = j = 0; i < raw_length && j + 1 < hex_length; i++, j += 2) {
sprintf(hexed, "%02x", raw[i]);
if (!TEST_int_eq(hexed[0], hex_encoded[j])
|| !TEST_int_eq(hexed[1], hex_encoded[j + 1]))
return 1;
}
return 0;
}
static int test_keylog_output(char *buffer, const SSL *ssl,
const SSL_SESSION *session,
struct sslapitest_log_counts *expected)
{
char *token = NULL;
unsigned char actual_client_random[SSL3_RANDOM_SIZE] = {0};
size_t client_random_size = SSL3_RANDOM_SIZE;
unsigned char actual_master_key[SSL_MAX_MASTER_KEY_LENGTH] = {0};
size_t master_key_size = SSL_MAX_MASTER_KEY_LENGTH;
unsigned int rsa_key_exchange_count = 0;
unsigned int master_secret_count = 0;
unsigned int client_early_secret_count = 0;
unsigned int client_handshake_secret_count = 0;
unsigned int server_handshake_secret_count = 0;
unsigned int client_application_secret_count = 0;
unsigned int server_application_secret_count = 0;
unsigned int early_exporter_secret_count = 0;
unsigned int exporter_secret_count = 0;
for (token = strtok(buffer, " \n"); token != NULL;
token = strtok(NULL, " \n")) {
if (strcmp(token, "RSA") == 0) {
/*
* Premaster secret. Tokens should be: 16 ASCII bytes of
* hex-encoded encrypted secret, then the hex-encoded pre-master
* secret.
*/
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
if (!TEST_size_t_eq(strlen(token), 16))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
/*
* We can't sensibly check the log because the premaster secret is
* transient, and OpenSSL doesn't keep hold of it once the master
* secret is generated.
*/
rsa_key_exchange_count++;
} else if (strcmp(token, "CLIENT_RANDOM") == 0) {
/*
* Master secret. Tokens should be: 64 ASCII bytes of hex-encoded
* client random, then the hex-encoded master secret.
*/
client_random_size = SSL_get_client_random(ssl,
actual_client_random,
SSL3_RANDOM_SIZE);
if (!TEST_size_t_eq(client_random_size, SSL3_RANDOM_SIZE))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
if (!TEST_size_t_eq(strlen(token), 64))
return 0;
if (!TEST_false(compare_hex_encoded_buffer(token, 64,
actual_client_random,
client_random_size)))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
master_key_size = SSL_SESSION_get_master_key(session,
actual_master_key,
master_key_size);
if (!TEST_size_t_ne(master_key_size, 0))
return 0;
if (!TEST_false(compare_hex_encoded_buffer(token, strlen(token),
actual_master_key,
master_key_size)))
return 0;
master_secret_count++;
} else if (strcmp(token, "CLIENT_EARLY_TRAFFIC_SECRET") == 0
|| strcmp(token, "CLIENT_HANDSHAKE_TRAFFIC_SECRET") == 0
|| strcmp(token, "SERVER_HANDSHAKE_TRAFFIC_SECRET") == 0
|| strcmp(token, "CLIENT_TRAFFIC_SECRET_0") == 0
|| strcmp(token, "SERVER_TRAFFIC_SECRET_0") == 0
|| strcmp(token, "EARLY_EXPORTER_SECRET") == 0
|| strcmp(token, "EXPORTER_SECRET") == 0) {
/*
* TLSv1.3 secret. Tokens should be: 64 ASCII bytes of hex-encoded
* client random, and then the hex-encoded secret. In this case,
* we treat all of these secrets identically and then just
* distinguish between them when counting what we saw.
*/
if (strcmp(token, "CLIENT_EARLY_TRAFFIC_SECRET") == 0)
client_early_secret_count++;
else if (strcmp(token, "CLIENT_HANDSHAKE_TRAFFIC_SECRET") == 0)
client_handshake_secret_count++;
else if (strcmp(token, "SERVER_HANDSHAKE_TRAFFIC_SECRET") == 0)
server_handshake_secret_count++;
else if (strcmp(token, "CLIENT_TRAFFIC_SECRET_0") == 0)
client_application_secret_count++;
else if (strcmp(token, "SERVER_TRAFFIC_SECRET_0") == 0)
server_application_secret_count++;
else if (strcmp(token, "EARLY_EXPORTER_SECRET") == 0)
early_exporter_secret_count++;
else if (strcmp(token, "EXPORTER_SECRET") == 0)
exporter_secret_count++;
client_random_size = SSL_get_client_random(ssl,
actual_client_random,
SSL3_RANDOM_SIZE);
if (!TEST_size_t_eq(client_random_size, SSL3_RANDOM_SIZE))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
if (!TEST_size_t_eq(strlen(token), 64))
return 0;
if (!TEST_false(compare_hex_encoded_buffer(token, 64,
actual_client_random,
client_random_size)))
return 0;
if (!TEST_ptr(token = strtok(NULL, " \n")))
return 0;
/*
* TODO(TLS1.3): test that application traffic secrets are what
* we expect */
} else {
TEST_info("Unexpected token %s\n", token);
return 0;
}
}
/* Got what we expected? */
if (!TEST_size_t_eq(rsa_key_exchange_count,
expected->rsa_key_exchange_count)
|| !TEST_size_t_eq(master_secret_count,
expected->master_secret_count)
|| !TEST_size_t_eq(client_early_secret_count,
expected->client_early_secret_count)
|| !TEST_size_t_eq(client_handshake_secret_count,
expected->client_handshake_secret_count)
|| !TEST_size_t_eq(server_handshake_secret_count,
expected->server_handshake_secret_count)
|| !TEST_size_t_eq(client_application_secret_count,
expected->client_application_secret_count)
|| !TEST_size_t_eq(server_application_secret_count,
expected->server_application_secret_count)
|| !TEST_size_t_eq(early_exporter_secret_count,
expected->early_exporter_secret_count)
|| !TEST_size_t_eq(exporter_secret_count,
expected->exporter_secret_count))
return 0;
return 1;
}
#if !defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_3)
static int test_keylog(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
struct sslapitest_log_counts expected = {0};
/* Clean up logging space */
memset(client_log_buffer, 0, sizeof(client_log_buffer));
memset(server_log_buffer, 0, sizeof(server_log_buffer));
client_log_buffer_index = 0;
server_log_buffer_index = 0;
error_writing_log = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(),
TLS1_VERSION, TLS_MAX_VERSION,
&sctx, &cctx, cert, privkey)))
return 0;
/* We cannot log the master secret for TLSv1.3, so we should forbid it. */
SSL_CTX_set_options(cctx, SSL_OP_NO_TLSv1_3);
SSL_CTX_set_options(sctx, SSL_OP_NO_TLSv1_3);
/* We also want to ensure that we use RSA-based key exchange. */
if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "RSA")))
goto end;
if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == NULL)
|| !TEST_true(SSL_CTX_get_keylog_callback(sctx) == NULL))
goto end;
SSL_CTX_set_keylog_callback(cctx, client_keylog_callback);
if (!TEST_true(SSL_CTX_get_keylog_callback(cctx)
== client_keylog_callback))
goto end;
SSL_CTX_set_keylog_callback(sctx, server_keylog_callback);
if (!TEST_true(SSL_CTX_get_keylog_callback(sctx)
== server_keylog_callback))
goto end;
/* Now do a handshake and check that the logs have been written to. */
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_false(error_writing_log)
|| !TEST_int_gt(client_log_buffer_index, 0)
|| !TEST_int_gt(server_log_buffer_index, 0))
goto end;
/*
* Now we want to test that our output data was vaguely sensible. We
* do that by using strtok and confirming that we have more or less the
* data we expect. For both client and server, we expect to see one master
* secret. The client should also see a RSA key exchange.
*/
expected.rsa_key_exchange_count = 1;
expected.master_secret_count = 1;
if (!TEST_true(test_keylog_output(client_log_buffer, clientssl,
SSL_get_session(clientssl), &expected)))
goto end;
expected.rsa_key_exchange_count = 0;
if (!TEST_true(test_keylog_output(server_log_buffer, serverssl,
SSL_get_session(serverssl), &expected)))
goto end;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif
#ifndef OPENSSL_NO_TLS1_3
static int test_keylog_no_master_key(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
SSL_SESSION *sess = NULL;
int testresult = 0;
struct sslapitest_log_counts expected = {0};
unsigned char buf[1];
size_t readbytes, written;
/* Clean up logging space */
memset(client_log_buffer, 0, sizeof(client_log_buffer));
memset(server_log_buffer, 0, sizeof(server_log_buffer));
client_log_buffer_index = 0;
server_log_buffer_index = 0;
error_writing_log = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),
TLS1_VERSION, TLS_MAX_VERSION,
&sctx, &cctx, cert, privkey))
|| !TEST_true(SSL_CTX_set_max_early_data(sctx,
SSL3_RT_MAX_PLAIN_LENGTH)))
return 0;
if (!TEST_true(SSL_CTX_get_keylog_callback(cctx) == NULL)
|| !TEST_true(SSL_CTX_get_keylog_callback(sctx) == NULL))
goto end;
SSL_CTX_set_keylog_callback(cctx, client_keylog_callback);
if (!TEST_true(SSL_CTX_get_keylog_callback(cctx)
== client_keylog_callback))
goto end;
SSL_CTX_set_keylog_callback(sctx, server_keylog_callback);
if (!TEST_true(SSL_CTX_get_keylog_callback(sctx)
== server_keylog_callback))
goto end;
/* Now do a handshake and check that the logs have been written to. */
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_false(error_writing_log))
goto end;
/*
* Now we want to test that our output data was vaguely sensible. For this
* test, we expect no CLIENT_RANDOM entry because it doesn't make sense for
* TLSv1.3, but we do expect both client and server to emit keys.
*/
expected.client_handshake_secret_count = 1;
expected.server_handshake_secret_count = 1;
expected.client_application_secret_count = 1;
expected.server_application_secret_count = 1;
expected.exporter_secret_count = 1;
if (!TEST_true(test_keylog_output(client_log_buffer, clientssl,
SSL_get_session(clientssl), &expected))
|| !TEST_true(test_keylog_output(server_log_buffer, serverssl,
SSL_get_session(serverssl),
&expected)))
goto end;
/* Terminate old session and resume with early data. */
sess = SSL_get1_session(clientssl);
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = clientssl = NULL;
/* Reset key log */
memset(client_log_buffer, 0, sizeof(client_log_buffer));
memset(server_log_buffer, 0, sizeof(server_log_buffer));
client_log_buffer_index = 0;
server_log_buffer_index = 0;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, sess))
/* Here writing 0 length early data is enough. */
|| !TEST_true(SSL_write_early_data(clientssl, NULL, 0, &written))
|| !TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_ERROR)
|| !TEST_int_eq(SSL_get_early_data_status(serverssl),
SSL_EARLY_DATA_ACCEPTED)
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl)))
goto end;
/* In addition to the previous entries, expect early secrets. */
expected.client_early_secret_count = 1;
expected.early_exporter_secret_count = 1;
if (!TEST_true(test_keylog_output(client_log_buffer, clientssl,
SSL_get_session(clientssl), &expected))
|| !TEST_true(test_keylog_output(server_log_buffer, serverssl,
SSL_get_session(serverssl),
&expected)))
goto end;
testresult = 1;
end:
SSL_SESSION_free(sess);
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif
#ifndef OPENSSL_NO_TLS1_2
static int full_client_hello_callback(SSL *s, int *al, void *arg)
{
int *ctr = arg;
const unsigned char *p;
int *exts;
/* We only configure two ciphers, but the SCSV is added automatically. */
#ifdef OPENSSL_NO_EC
const unsigned char expected_ciphers[] = {0x00, 0x9d, 0x00, 0xff};
#else
const unsigned char expected_ciphers[] = {0x00, 0x9d, 0xc0,
0x2c, 0x00, 0xff};
#endif
const int expected_extensions[] = {
#ifndef OPENSSL_NO_EC
11, 10,
#endif
35, 22, 23, 13};
size_t len;
/* Make sure we can defer processing and get called back. */
if ((*ctr)++ == 0)
return SSL_CLIENT_HELLO_RETRY;
len = SSL_client_hello_get0_ciphers(s, &p);
if (!TEST_mem_eq(p, len, expected_ciphers, sizeof(expected_ciphers))
|| !TEST_size_t_eq(
SSL_client_hello_get0_compression_methods(s, &p), 1)
|| !TEST_int_eq(*p, 0))
return SSL_CLIENT_HELLO_ERROR;
if (!SSL_client_hello_get1_extensions_present(s, &exts, &len))
return SSL_CLIENT_HELLO_ERROR;
if (len != OSSL_NELEM(expected_extensions) ||
memcmp(exts, expected_extensions, len * sizeof(*exts)) != 0) {
printf("ClientHello callback expected extensions mismatch\n");
OPENSSL_free(exts);
return SSL_CLIENT_HELLO_ERROR;
}
OPENSSL_free(exts);
return SSL_CLIENT_HELLO_SUCCESS;
}
static int test_client_hello_cb(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testctr = 0, testresult = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),
TLS1_VERSION, TLS_MAX_VERSION,
&sctx, &cctx, cert, privkey)))
goto end;
SSL_CTX_set_client_hello_cb(sctx, full_client_hello_callback, &testctr);
/* The gimpy cipher list we configure can't do TLS 1.3. */
SSL_CTX_set_max_proto_version(cctx, TLS1_2_VERSION);
if (!TEST_true(SSL_CTX_set_cipher_list(cctx,
"AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384"))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_WANT_CLIENT_HELLO_CB))
/*
* Passing a -1 literal is a hack since
* the real value was lost.
* */
|| !TEST_int_eq(SSL_get_error(serverssl, -1),
SSL_ERROR_WANT_CLIENT_HELLO_CB)
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
#endif
/*
* Very focused test to exercise a single case in the server-side state
* machine, when the ChangeCipherState message needs to actually change
* from one cipher to a different cipher (i.e., not changing from null
* encryption to real encryption).
*/
static int test_ccs_change_cipher(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
SSL_SESSION *sess = NULL, *sesspre, *sesspost;
int testresult = 0;
int i;
unsigned char buf;
size_t readbytes;
/*
* Create a conection so we can resume and potentially (but not) use
* a different cipher in the second connection.
*/
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(),
TLS_client_method(),
TLS1_VERSION, TLS1_2_VERSION,
&sctx, &cctx, cert, privkey))
|| !TEST_true(SSL_CTX_set_options(sctx, SSL_OP_NO_TICKET))
|| !TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(SSL_set_cipher_list(clientssl, "AES128-GCM-SHA256"))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_ptr(sesspre = SSL_get0_session(serverssl))
|| !TEST_ptr(sess = SSL_get1_session(clientssl)))
goto end;
shutdown_ssl_connection(serverssl, clientssl);
serverssl = clientssl = NULL;
/* Resume, preferring a different cipher. Our server will force the
* same cipher to be used as the initial handshake. */
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, sess))
|| !TEST_true(SSL_set_cipher_list(clientssl, "AES256-GCM-SHA384:AES128-GCM-SHA256"))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl))
|| !TEST_true(SSL_session_reused(serverssl))
|| !TEST_ptr(sesspost = SSL_get0_session(serverssl))
|| !TEST_ptr_eq(sesspre, sesspost)
|| !TEST_int_eq(TLS1_CK_RSA_WITH_AES_128_GCM_SHA256,
SSL_CIPHER_get_id(SSL_get_current_cipher(clientssl))))
goto end;
shutdown_ssl_connection(serverssl, clientssl);
serverssl = clientssl = NULL;
/*
* Now create a fresh connection and try to renegotiate a different
* cipher on it.
*/
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(SSL_set_cipher_list(clientssl, "AES128-GCM-SHA256"))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_ptr(sesspre = SSL_get0_session(serverssl))
|| !TEST_true(SSL_set_cipher_list(clientssl, "AES256-GCM-SHA384"))
|| !TEST_true(SSL_renegotiate(clientssl))
|| !TEST_true(SSL_renegotiate_pending(clientssl)))
goto end;
/* Actually drive the renegotiation. */
for (i = 0; i < 3; i++) {
if (SSL_read_ex(clientssl, &buf, sizeof(buf), &readbytes) > 0) {
if (!TEST_ulong_eq(readbytes, 0))
goto end;
} else if (!TEST_int_eq(SSL_get_error(clientssl, 0),
SSL_ERROR_WANT_READ)) {
goto end;
}
if (SSL_read_ex(serverssl, &buf, sizeof(buf), &readbytes) > 0) {
if (!TEST_ulong_eq(readbytes, 0))
goto end;
} else if (!TEST_int_eq(SSL_get_error(serverssl, 0),
SSL_ERROR_WANT_READ)) {
goto end;
}
}
/* sesspre and sesspost should be different since the cipher changed. */
if (!TEST_false(SSL_renegotiate_pending(clientssl))
|| !TEST_false(SSL_session_reused(clientssl))
|| !TEST_false(SSL_session_reused(serverssl))
|| !TEST_ptr(sesspost = SSL_get0_session(serverssl))
|| !TEST_ptr_ne(sesspre, sesspost)
|| !TEST_int_eq(TLS1_CK_RSA_WITH_AES_256_GCM_SHA384,
SSL_CIPHER_get_id(SSL_get_current_cipher(clientssl))))
goto end;
shutdown_ssl_connection(serverssl, clientssl);
serverssl = clientssl = NULL;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
SSL_SESSION_free(sess);
return testresult;
}
static int execute_test_large_message(const SSL_METHOD *smeth,
const SSL_METHOD *cmeth,
int min_version, int max_version,
int read_ahead)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
int i;
BIO *certbio = NULL;
X509 *chaincert = NULL;
int certlen;
if (!TEST_ptr(certbio = BIO_new_file(cert, "r")))
goto end;
chaincert = PEM_read_bio_X509(certbio, NULL, NULL, NULL);
BIO_free(certbio);
certbio = NULL;
if (!TEST_ptr(chaincert))
goto end;
if (!TEST_true(create_ssl_ctx_pair(smeth, cmeth, min_version, max_version,
&sctx, &cctx, cert, privkey)))
goto end;
if (read_ahead) {
/*
* Test that read_ahead works correctly when dealing with large
* records
*/
SSL_CTX_set_read_ahead(cctx, 1);
}
/*
* We assume the supplied certificate is big enough so that if we add
* NUM_EXTRA_CERTS it will make the overall message large enough. The
* default buffer size is requested to be 16k, but due to the way BUF_MEM
* works, it ends up allocating a little over 21k (16 * 4/3). So, in this
* test we need to have a message larger than that.
*/
certlen = i2d_X509(chaincert, NULL);
OPENSSL_assert(certlen * NUM_EXTRA_CERTS >
(SSL3_RT_MAX_PLAIN_LENGTH * 4) / 3);
for (i = 0; i < NUM_EXTRA_CERTS; i++) {
if (!X509_up_ref(chaincert))
goto end;
if (!SSL_CTX_add_extra_chain_cert(sctx, chaincert)) {
X509_free(chaincert);
goto end;
}
}
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE)))
goto end;
/*
* Calling SSL_clear() first is not required but this tests that SSL_clear()
* doesn't leak (when using enable-crypto-mdebug).
*/
if (!TEST_true(SSL_clear(serverssl)))
goto end;
testresult = 1;
end:
X509_free(chaincert);
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
}
static int test_large_message_tls(void)
{
return execute_test_large_message(TLS_server_method(), TLS_client_method(),
TLS1_VERSION, TLS_MAX_VERSION,
0);
}
static int test_large_message_tls_read_ahead(void)
{
return execute_test_large_message(TLS_server_method(), TLS_client_method(),
TLS1_VERSION, TLS_MAX_VERSION,
1);
}
#ifndef OPENSSL_NO_DTLS
static int test_large_message_dtls(void)
{
/*
* read_ahead is not relevant to DTLS because DTLS always acts as if
* read_ahead is set.
*/
return execute_test_large_message(DTLS_server_method(),
DTLS_client_method(),
DTLS1_VERSION, DTLS_MAX_VERSION,
0);
}
#endif
#ifndef OPENSSL_NO_OCSP
static int ocsp_server_cb(SSL *s, void *arg)
{
int *argi = (int *)arg;
unsigned char *copy = NULL;
STACK_OF(OCSP_RESPID) *ids = NULL;
OCSP_RESPID *id = NULL;
if (*argi == 2) {
/* In this test we are expecting exactly 1 OCSP_RESPID */
SSL_get_tlsext_status_ids(s, &ids);
if (ids == NULL || sk_OCSP_RESPID_num(ids) != 1)
return SSL_TLSEXT_ERR_ALERT_FATAL;
id = sk_OCSP_RESPID_value(ids, 0);
if (id == NULL || !OCSP_RESPID_match(id, ocspcert))
return SSL_TLSEXT_ERR_ALERT_FATAL;
} else if (*argi != 1) {
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
if (!TEST_ptr(copy = OPENSSL_memdup(orespder, sizeof(orespder))))
return SSL_TLSEXT_ERR_ALERT_FATAL;
SSL_set_tlsext_status_ocsp_resp(s, copy, sizeof(orespder));
ocsp_server_called = 1;
return SSL_TLSEXT_ERR_OK;
}
static int ocsp_client_cb(SSL *s, void *arg)
{
int *argi = (int *)arg;
const unsigned char *respderin;
size_t len;
if (*argi != 1 && *argi != 2)
return 0;
len = SSL_get_tlsext_status_ocsp_resp(s, &respderin);
if (!TEST_mem_eq(orespder, len, respderin, len))
return 0;
ocsp_client_called = 1;
return 1;
}
static int test_tlsext_status_type(void)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
STACK_OF(OCSP_RESPID) *ids = NULL;
OCSP_RESPID *id = NULL;
BIO *certbio = NULL;
if (!create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),
TLS1_VERSION, TLS_MAX_VERSION,
&sctx, &cctx, cert, privkey))
return 0;
if (SSL_CTX_get_tlsext_status_type(cctx) != -1)
goto end;
/* First just do various checks getting and setting tlsext_status_type */
clientssl = SSL_new(cctx);
if (!TEST_int_eq(SSL_get_tlsext_status_type(clientssl), -1)
|| !TEST_true(SSL_set_tlsext_status_type(clientssl,
TLSEXT_STATUSTYPE_ocsp))
|| !TEST_int_eq(SSL_get_tlsext_status_type(clientssl),
TLSEXT_STATUSTYPE_ocsp))
goto end;
SSL_free(clientssl);
clientssl = NULL;
if (!SSL_CTX_set_tlsext_status_type(cctx, TLSEXT_STATUSTYPE_ocsp)
|| SSL_CTX_get_tlsext_status_type(cctx) != TLSEXT_STATUSTYPE_ocsp)
goto end;
clientssl = SSL_new(cctx);
if (SSL_get_tlsext_status_type(clientssl) != TLSEXT_STATUSTYPE_ocsp)
goto end;
SSL_free(clientssl);
clientssl = NULL;
/*
* Now actually do a handshake and check OCSP information is exchanged and
* the callbacks get called
*/
SSL_CTX_set_tlsext_status_cb(cctx, ocsp_client_cb);
SSL_CTX_set_tlsext_status_arg(cctx, &cdummyarg);
SSL_CTX_set_tlsext_status_cb(sctx, ocsp_server_cb);
SSL_CTX_set_tlsext_status_arg(sctx, &cdummyarg);
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_true(ocsp_client_called)
|| !TEST_true(ocsp_server_called))
goto end;
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = NULL;
clientssl = NULL;
/* Try again but this time force the server side callback to fail */
ocsp_client_called = 0;
ocsp_server_called = 0;
cdummyarg = 0;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
/* This should fail because the callback will fail */
|| !TEST_false(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_false(ocsp_client_called)
|| !TEST_false(ocsp_server_called))
goto end;
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = NULL;
clientssl = NULL;
/*
* This time we'll get the client to send an OCSP_RESPID that it will
* accept.
*/
ocsp_client_called = 0;
ocsp_server_called = 0;
cdummyarg = 2;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL)))
goto end;
/*
* We'll just use any old cert for this test - it doesn't have to be an OCSP
* specific one. We'll use the server cert.
*/
if (!TEST_ptr(certbio = BIO_new_file(cert, "r"))
|| !TEST_ptr(id = OCSP_RESPID_new())
|| !TEST_ptr(ids = sk_OCSP_RESPID_new_null())
|| !TEST_ptr(ocspcert = PEM_read_bio_X509(certbio,
NULL, NULL, NULL))
|| !TEST_true(OCSP_RESPID_set_by_key(id, ocspcert))
|| !TEST_true(sk_OCSP_RESPID_push(ids, id)))
goto end;
id = NULL;
SSL_set_tlsext_status_ids(clientssl, ids);
/* Control has been transferred */
ids = NULL;
BIO_free(certbio);
certbio = NULL;
if (!TEST_true(create_ssl_connection(serverssl, clientssl,
SSL_ERROR_NONE))
|| !TEST_true(ocsp_client_called)
|| !TEST_true(ocsp_server_called))
goto end;
testresult = 1;
end:
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
sk_OCSP_RESPID_pop_free(ids, OCSP_RESPID_free);
OCSP_RESPID_free(id);
BIO_free(certbio);
X509_free(ocspcert);
ocspcert = NULL;
return testresult;
}
#endif
#if !defined(OPENSSL_NO_TLS1_3) || !defined(OPENSSL_NO_TLS1_2)
static int new_called, remove_called, get_called;
static int new_session_cb(SSL *ssl, SSL_SESSION *sess)
{
new_called++;
/*
* sess has been up-refed for us, but we don't actually need it so free it
* immediately.
*/
SSL_SESSION_free(sess);
return 1;
}