2 * Copyright 2016-2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
12 #include "internal/nelem.h"
13 #include "ssltestlib.h"
17 #ifdef OPENSSL_SYS_UNIX
20 static ossl_inline
void ossl_sleep(unsigned int millis
)
22 # ifdef OPENSSL_SYS_VXWORKS
24 ts
.tv_sec
= (long int) (millis
/ 1000);
25 ts
.tv_nsec
= (long int) (millis
% 1000) * 1000000ul;
28 usleep(millis
* 1000);
34 static ossl_inline
void ossl_sleep(unsigned int millis
)
39 /* Fallback to a busy wait */
40 static ossl_inline
void ossl_sleep(unsigned int millis
)
42 struct timeval start
, now
;
43 unsigned int elapsedms
;
45 gettimeofday(&start
, NULL
);
47 gettimeofday(&now
, NULL
);
48 elapsedms
= (((now
.tv_sec
- start
.tv_sec
) * 1000000)
49 + now
.tv_usec
- start
.tv_usec
) / 1000;
50 } while (elapsedms
< millis
);
54 static int tls_dump_new(BIO
*bi
);
55 static int tls_dump_free(BIO
*a
);
56 static int tls_dump_read(BIO
*b
, char *out
, int outl
);
57 static int tls_dump_write(BIO
*b
, const char *in
, int inl
);
58 static long tls_dump_ctrl(BIO
*b
, int cmd
, long num
, void *ptr
);
59 static int tls_dump_gets(BIO
*bp
, char *buf
, int size
);
60 static int tls_dump_puts(BIO
*bp
, const char *str
);
62 /* Choose a sufficiently large type likely to be unused for this custom BIO */
63 #define BIO_TYPE_TLS_DUMP_FILTER (0x80 | BIO_TYPE_FILTER)
64 #define BIO_TYPE_MEMPACKET_TEST 0x81
66 static BIO_METHOD
*method_tls_dump
= NULL
;
67 static BIO_METHOD
*meth_mem
= NULL
;
69 /* Note: Not thread safe! */
70 const BIO_METHOD
*bio_f_tls_dump_filter(void)
72 if (method_tls_dump
== NULL
) {
73 method_tls_dump
= BIO_meth_new(BIO_TYPE_TLS_DUMP_FILTER
,
75 if ( method_tls_dump
== NULL
76 || !BIO_meth_set_write(method_tls_dump
, tls_dump_write
)
77 || !BIO_meth_set_read(method_tls_dump
, tls_dump_read
)
78 || !BIO_meth_set_puts(method_tls_dump
, tls_dump_puts
)
79 || !BIO_meth_set_gets(method_tls_dump
, tls_dump_gets
)
80 || !BIO_meth_set_ctrl(method_tls_dump
, tls_dump_ctrl
)
81 || !BIO_meth_set_create(method_tls_dump
, tls_dump_new
)
82 || !BIO_meth_set_destroy(method_tls_dump
, tls_dump_free
))
85 return method_tls_dump
;
88 void bio_f_tls_dump_filter_free(void)
90 BIO_meth_free(method_tls_dump
);
93 static int tls_dump_new(BIO
*bio
)
99 static int tls_dump_free(BIO
*bio
)
101 BIO_set_init(bio
, 0);
106 static void copy_flags(BIO
*bio
)
109 BIO
*next
= BIO_next(bio
);
111 flags
= BIO_test_flags(next
, BIO_FLAGS_SHOULD_RETRY
| BIO_FLAGS_RWS
);
112 BIO_clear_flags(bio
, BIO_FLAGS_SHOULD_RETRY
| BIO_FLAGS_RWS
);
113 BIO_set_flags(bio
, flags
);
116 #define RECORD_CONTENT_TYPE 0
117 #define RECORD_VERSION_HI 1
118 #define RECORD_VERSION_LO 2
119 #define RECORD_EPOCH_HI 3
120 #define RECORD_EPOCH_LO 4
121 #define RECORD_SEQUENCE_START 5
122 #define RECORD_SEQUENCE_END 10
123 #define RECORD_LEN_HI 11
124 #define RECORD_LEN_LO 12
128 #define MSG_LEN_MID 2
132 #define MSG_FRAG_OFF_HI 6
133 #define MSG_FRAG_OFF_MID 7
134 #define MSG_FRAG_OFF_LO 8
135 #define MSG_FRAG_LEN_HI 9
136 #define MSG_FRAG_LEN_MID 10
137 #define MSG_FRAG_LEN_LO 11
140 static void dump_data(const char *data
, int len
)
142 int rem
, i
, content
, reclen
, msglen
, fragoff
, fraglen
, epoch
;
145 printf("---- START OF PACKET ----\n");
148 rec
= (unsigned char *)data
;
153 printf("*---- START OF RECORD ----\n");
154 if (rem
< DTLS1_RT_HEADER_LENGTH
) {
155 printf("*---- RECORD TRUNCATED ----\n");
158 content
= rec
[RECORD_CONTENT_TYPE
];
159 printf("** Record Content-type: %d\n", content
);
160 printf("** Record Version: %02x%02x\n",
161 rec
[RECORD_VERSION_HI
], rec
[RECORD_VERSION_LO
]);
162 epoch
= (rec
[RECORD_EPOCH_HI
] << 8) | rec
[RECORD_EPOCH_LO
];
163 printf("** Record Epoch: %d\n", epoch
);
164 printf("** Record Sequence: ");
165 for (i
= RECORD_SEQUENCE_START
; i
<= RECORD_SEQUENCE_END
; i
++)
166 printf("%02x", rec
[i
]);
167 reclen
= (rec
[RECORD_LEN_HI
] << 8) | rec
[RECORD_LEN_LO
];
168 printf("\n** Record Length: %d\n", reclen
);
170 /* Now look at message */
171 rec
+= DTLS1_RT_HEADER_LENGTH
;
172 rem
-= DTLS1_RT_HEADER_LENGTH
;
173 if (content
== SSL3_RT_HANDSHAKE
) {
174 printf("**---- START OF HANDSHAKE MESSAGE FRAGMENT ----\n");
176 printf("**---- HANDSHAKE MESSAGE FRAGMENT ENCRYPTED ----\n");
177 } else if (rem
< DTLS1_HM_HEADER_LENGTH
178 || reclen
< DTLS1_HM_HEADER_LENGTH
) {
179 printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
181 printf("*** Message Type: %d\n", rec
[MSG_TYPE
]);
182 msglen
= (rec
[MSG_LEN_HI
] << 16) | (rec
[MSG_LEN_MID
] << 8)
184 printf("*** Message Length: %d\n", msglen
);
185 printf("*** Message sequence: %d\n",
186 (rec
[MSG_SEQ_HI
] << 8) | rec
[MSG_SEQ_LO
]);
187 fragoff
= (rec
[MSG_FRAG_OFF_HI
] << 16)
188 | (rec
[MSG_FRAG_OFF_MID
] << 8)
189 | rec
[MSG_FRAG_OFF_LO
];
190 printf("*** Message Fragment offset: %d\n", fragoff
);
191 fraglen
= (rec
[MSG_FRAG_LEN_HI
] << 16)
192 | (rec
[MSG_FRAG_LEN_MID
] << 8)
193 | rec
[MSG_FRAG_LEN_LO
];
194 printf("*** Message Fragment len: %d\n", fraglen
);
195 if (fragoff
+ fraglen
> msglen
)
196 printf("***---- HANDSHAKE MESSAGE FRAGMENT INVALID ----\n");
197 else if (reclen
< fraglen
)
198 printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
200 printf("**---- END OF HANDSHAKE MESSAGE FRAGMENT ----\n");
204 printf("*---- RECORD TRUNCATED ----\n");
209 printf("*---- END OF RECORD ----\n");
212 printf("---- END OF PACKET ----\n\n");
216 static int tls_dump_read(BIO
*bio
, char *out
, int outl
)
219 BIO
*next
= BIO_next(bio
);
221 ret
= BIO_read(next
, out
, outl
);
231 static int tls_dump_write(BIO
*bio
, const char *in
, int inl
)
234 BIO
*next
= BIO_next(bio
);
236 ret
= BIO_write(next
, in
, inl
);
242 static long tls_dump_ctrl(BIO
*bio
, int cmd
, long num
, void *ptr
)
245 BIO
*next
= BIO_next(bio
);
255 ret
= BIO_ctrl(next
, cmd
, num
, ptr
);
261 static int tls_dump_gets(BIO
*bio
, char *buf
, int size
)
263 /* We don't support this - not needed anyway */
267 static int tls_dump_puts(BIO
*bio
, const char *str
)
269 return tls_dump_write(bio
, str
, strlen(str
));
273 struct mempacket_st
{
280 static void mempacket_free(MEMPACKET
*pkt
)
282 if (pkt
->data
!= NULL
)
283 OPENSSL_free(pkt
->data
);
287 typedef struct mempacket_test_ctx_st
{
288 STACK_OF(MEMPACKET
) *pkts
;
290 unsigned int currrec
;
291 unsigned int currpkt
;
292 unsigned int lastpkt
;
293 unsigned int injected
;
294 unsigned int noinject
;
295 unsigned int dropepoch
;
298 } MEMPACKET_TEST_CTX
;
300 static int mempacket_test_new(BIO
*bi
);
301 static int mempacket_test_free(BIO
*a
);
302 static int mempacket_test_read(BIO
*b
, char *out
, int outl
);
303 static int mempacket_test_write(BIO
*b
, const char *in
, int inl
);
304 static long mempacket_test_ctrl(BIO
*b
, int cmd
, long num
, void *ptr
);
305 static int mempacket_test_gets(BIO
*bp
, char *buf
, int size
);
306 static int mempacket_test_puts(BIO
*bp
, const char *str
);
308 const BIO_METHOD
*bio_s_mempacket_test(void)
310 if (meth_mem
== NULL
) {
311 if (!TEST_ptr(meth_mem
= BIO_meth_new(BIO_TYPE_MEMPACKET_TEST
,
313 || !TEST_true(BIO_meth_set_write(meth_mem
, mempacket_test_write
))
314 || !TEST_true(BIO_meth_set_read(meth_mem
, mempacket_test_read
))
315 || !TEST_true(BIO_meth_set_puts(meth_mem
, mempacket_test_puts
))
316 || !TEST_true(BIO_meth_set_gets(meth_mem
, mempacket_test_gets
))
317 || !TEST_true(BIO_meth_set_ctrl(meth_mem
, mempacket_test_ctrl
))
318 || !TEST_true(BIO_meth_set_create(meth_mem
, mempacket_test_new
))
319 || !TEST_true(BIO_meth_set_destroy(meth_mem
, mempacket_test_free
)))
325 void bio_s_mempacket_test_free(void)
327 BIO_meth_free(meth_mem
);
330 static int mempacket_test_new(BIO
*bio
)
332 MEMPACKET_TEST_CTX
*ctx
;
334 if (!TEST_ptr(ctx
= OPENSSL_zalloc(sizeof(*ctx
))))
336 if (!TEST_ptr(ctx
->pkts
= sk_MEMPACKET_new_null())) {
342 BIO_set_init(bio
, 1);
343 BIO_set_data(bio
, ctx
);
347 static int mempacket_test_free(BIO
*bio
)
349 MEMPACKET_TEST_CTX
*ctx
= BIO_get_data(bio
);
351 sk_MEMPACKET_pop_free(ctx
->pkts
, mempacket_free
);
353 BIO_set_data(bio
, NULL
);
354 BIO_set_init(bio
, 0);
358 /* Record Header values */
361 #define RECORD_SEQUENCE 10
362 #define RECORD_LEN_HI 11
363 #define RECORD_LEN_LO 12
365 #define STANDARD_PACKET 0
367 static int mempacket_test_read(BIO
*bio
, char *out
, int outl
)
369 MEMPACKET_TEST_CTX
*ctx
= BIO_get_data(bio
);
373 unsigned int seq
, offset
, len
, epoch
;
375 BIO_clear_retry_flags(bio
);
376 thispkt
= sk_MEMPACKET_value(ctx
->pkts
, 0);
377 if (thispkt
== NULL
|| thispkt
->num
!= ctx
->currpkt
) {
378 /* Probably run out of data */
379 BIO_set_retry_read(bio
);
382 (void)sk_MEMPACKET_shift(ctx
->pkts
);
385 if (outl
> thispkt
->len
)
388 if (thispkt
->type
!= INJECT_PACKET_IGNORE_REC_SEQ
389 && (ctx
->injected
|| ctx
->droprec
>= 0)) {
391 * Overwrite the record sequence number. We strictly number them in
392 * the order received. Since we are actually a reliable transport
393 * we know that there won't be any re-ordering. We overwrite to deal
394 * with any packets that have been injected
396 for (rem
= thispkt
->len
, rec
= thispkt
->data
; rem
> 0; rem
-= len
) {
397 if (rem
< DTLS1_RT_HEADER_LENGTH
)
399 epoch
= (rec
[EPOCH_HI
] << 8) | rec
[EPOCH_LO
];
400 if (epoch
!= ctx
->epoch
) {
407 rec
[RECORD_SEQUENCE
- offset
] = seq
& 0xFF;
412 len
= ((rec
[RECORD_LEN_HI
] << 8) | rec
[RECORD_LEN_LO
])
413 + DTLS1_RT_HEADER_LENGTH
;
416 if (ctx
->droprec
== (int)ctx
->currrec
&& ctx
->dropepoch
== epoch
) {
418 memmove(rec
, rec
+ len
, rem
- len
);
422 BIO_set_retry_read(bio
);
431 memcpy(out
, thispkt
->data
, outl
);
432 mempacket_free(thispkt
);
436 int mempacket_test_inject(BIO
*bio
, const char *in
, int inl
, int pktnum
,
439 MEMPACKET_TEST_CTX
*ctx
= BIO_get_data(bio
);
440 MEMPACKET
*thispkt
= NULL
, *looppkt
, *nextpkt
, *allpkts
[3];
442 const unsigned char *inu
= (const unsigned char *)in
;
443 size_t len
= ((inu
[RECORD_LEN_HI
] << 8) | inu
[RECORD_LEN_LO
])
444 + DTLS1_RT_HEADER_LENGTH
;
449 if ((size_t)inl
< len
)
452 if ((size_t)inl
== len
)
455 duprec
= ctx
->duprec
> 0;
457 /* We don't support arbitrary injection when duplicating records */
458 if (duprec
&& pktnum
!= -1)
461 /* We only allow injection before we've started writing any data */
470 for (i
= 0; i
< (duprec
? 3 : 1); i
++) {
471 if (!TEST_ptr(allpkts
[i
] = OPENSSL_malloc(sizeof(*thispkt
))))
473 thispkt
= allpkts
[i
];
475 if (!TEST_ptr(thispkt
->data
= OPENSSL_malloc(inl
)))
478 * If we are duplicating the packet, we duplicate it three times. The
479 * first two times we drop the first record if there are more than one.
480 * In this way we know that libssl will not be able to make progress
481 * until it receives the last packet, and hence will be forced to
482 * buffer these records.
484 if (duprec
&& i
!= 2) {
485 memcpy(thispkt
->data
, in
+ len
, inl
- len
);
486 thispkt
->len
= inl
- len
;
488 memcpy(thispkt
->data
, in
, inl
);
491 thispkt
->num
= (pktnum
>= 0) ? (unsigned int)pktnum
: ctx
->lastpkt
+ i
;
492 thispkt
->type
= type
;
495 for(i
= 0; (looppkt
= sk_MEMPACKET_value(ctx
->pkts
, i
)) != NULL
; i
++) {
496 /* Check if we found the right place to insert this packet */
497 if (looppkt
->num
> thispkt
->num
) {
498 if (sk_MEMPACKET_insert(ctx
->pkts
, thispkt
, i
) == 0)
500 /* If we're doing up front injection then we're done */
504 * We need to do some accounting on lastpkt. We increment it first,
505 * but it might now equal the value of injected packets, so we need
511 nextpkt
= sk_MEMPACKET_value(ctx
->pkts
, i
);
512 if (nextpkt
!= NULL
&& nextpkt
->num
== ctx
->lastpkt
)
517 } else if (looppkt
->num
== thispkt
->num
) {
518 if (!ctx
->noinject
) {
519 /* We injected two packets with the same packet number! */
527 * We didn't find any packets with a packet number equal to or greater than
528 * this one, so we just add it onto the end
530 for (i
= 0; i
< (duprec
? 3 : 1); i
++) {
531 thispkt
= allpkts
[i
];
532 if (!sk_MEMPACKET_push(ctx
->pkts
, thispkt
))
542 for (i
= 0; i
< (ctx
->duprec
> 0 ? 3 : 1); i
++)
543 mempacket_free(allpkts
[i
]);
547 static int mempacket_test_write(BIO
*bio
, const char *in
, int inl
)
549 return mempacket_test_inject(bio
, in
, inl
, -1, STANDARD_PACKET
);
552 static long mempacket_test_ctrl(BIO
*bio
, int cmd
, long num
, void *ptr
)
555 MEMPACKET_TEST_CTX
*ctx
= BIO_get_data(bio
);
560 ret
= (long)(sk_MEMPACKET_num(ctx
->pkts
) == 0);
562 case BIO_CTRL_GET_CLOSE
:
563 ret
= BIO_get_shutdown(bio
);
565 case BIO_CTRL_SET_CLOSE
:
566 BIO_set_shutdown(bio
, (int)num
);
568 case BIO_CTRL_WPENDING
:
571 case BIO_CTRL_PENDING
:
572 thispkt
= sk_MEMPACKET_value(ctx
->pkts
, 0);
581 case MEMPACKET_CTRL_SET_DROP_EPOCH
:
582 ctx
->dropepoch
= (unsigned int)num
;
584 case MEMPACKET_CTRL_SET_DROP_REC
:
585 ctx
->droprec
= (int)num
;
587 case MEMPACKET_CTRL_GET_DROP_REC
:
590 case MEMPACKET_CTRL_SET_DUPLICATE_REC
:
591 ctx
->duprec
= (int)num
;
604 static int mempacket_test_gets(BIO
*bio
, char *buf
, int size
)
606 /* We don't support this - not needed anyway */
610 static int mempacket_test_puts(BIO
*bio
, const char *str
)
612 return mempacket_test_write(bio
, str
, strlen(str
));
615 int create_ssl_ctx_pair(const SSL_METHOD
*sm
, const SSL_METHOD
*cm
,
616 int min_proto_version
, int max_proto_version
,
617 SSL_CTX
**sctx
, SSL_CTX
**cctx
, char *certfile
,
620 SSL_CTX
*serverctx
= NULL
;
621 SSL_CTX
*clientctx
= NULL
;
623 if (!TEST_ptr(serverctx
= SSL_CTX_new(sm
))
624 || (cctx
!= NULL
&& !TEST_ptr(clientctx
= SSL_CTX_new(cm
))))
627 if ((min_proto_version
> 0
628 && !TEST_true(SSL_CTX_set_min_proto_version(serverctx
,
630 || (max_proto_version
> 0
631 && !TEST_true(SSL_CTX_set_max_proto_version(serverctx
,
632 max_proto_version
))))
634 if (clientctx
!= NULL
635 && ((min_proto_version
> 0
636 && !TEST_true(SSL_CTX_set_min_proto_version(clientctx
,
638 || (max_proto_version
> 0
639 && !TEST_true(SSL_CTX_set_max_proto_version(clientctx
,
640 max_proto_version
)))))
643 if (certfile
!= NULL
&& privkeyfile
!= NULL
) {
644 if (!TEST_int_eq(SSL_CTX_use_certificate_file(serverctx
, certfile
,
645 SSL_FILETYPE_PEM
), 1)
646 || !TEST_int_eq(SSL_CTX_use_PrivateKey_file(serverctx
,
648 SSL_FILETYPE_PEM
), 1)
649 || !TEST_int_eq(SSL_CTX_check_private_key(serverctx
), 1))
653 #ifndef OPENSSL_NO_DH
654 SSL_CTX_set_dh_auto(serverctx
, 1);
663 SSL_CTX_free(serverctx
);
664 SSL_CTX_free(clientctx
);
668 #define MAXLOOPS 1000000
671 * NOTE: Transfers control of the BIOs - this function will free them on error
673 int create_ssl_objects(SSL_CTX
*serverctx
, SSL_CTX
*clientctx
, SSL
**sssl
,
674 SSL
**cssl
, BIO
*s_to_c_fbio
, BIO
*c_to_s_fbio
)
676 SSL
*serverssl
= NULL
, *clientssl
= NULL
;
677 BIO
*s_to_c_bio
= NULL
, *c_to_s_bio
= NULL
;
681 else if (!TEST_ptr(serverssl
= SSL_new(serverctx
)))
685 else if (!TEST_ptr(clientssl
= SSL_new(clientctx
)))
688 if (SSL_is_dtls(clientssl
)) {
689 if (!TEST_ptr(s_to_c_bio
= BIO_new(bio_s_mempacket_test()))
690 || !TEST_ptr(c_to_s_bio
= BIO_new(bio_s_mempacket_test())))
693 if (!TEST_ptr(s_to_c_bio
= BIO_new(BIO_s_mem()))
694 || !TEST_ptr(c_to_s_bio
= BIO_new(BIO_s_mem())))
698 if (s_to_c_fbio
!= NULL
699 && !TEST_ptr(s_to_c_bio
= BIO_push(s_to_c_fbio
, s_to_c_bio
)))
701 if (c_to_s_fbio
!= NULL
702 && !TEST_ptr(c_to_s_bio
= BIO_push(c_to_s_fbio
, c_to_s_bio
)))
705 /* Set Non-blocking IO behaviour */
706 BIO_set_mem_eof_return(s_to_c_bio
, -1);
707 BIO_set_mem_eof_return(c_to_s_bio
, -1);
709 /* Up ref these as we are passing them to two SSL objects */
710 SSL_set_bio(serverssl
, c_to_s_bio
, s_to_c_bio
);
711 BIO_up_ref(s_to_c_bio
);
712 BIO_up_ref(c_to_s_bio
);
713 SSL_set_bio(clientssl
, s_to_c_bio
, c_to_s_bio
);
721 BIO_free(s_to_c_bio
);
722 BIO_free(c_to_s_bio
);
723 BIO_free(s_to_c_fbio
);
724 BIO_free(c_to_s_fbio
);
730 * Create an SSL connection, but does not ready any post-handshake
731 * NewSessionTicket messages.
732 * If |read| is set and we're using DTLS then we will attempt to SSL_read on
733 * the connection once we've completed one half of it, to ensure any retransmits
736 int create_bare_ssl_connection(SSL
*serverssl
, SSL
*clientssl
, int want
,
739 int retc
= -1, rets
= -1, err
, abortctr
= 0;
740 int clienterr
= 0, servererr
= 0;
741 int isdtls
= SSL_is_dtls(serverssl
);
744 err
= SSL_ERROR_WANT_WRITE
;
745 while (!clienterr
&& retc
<= 0 && err
== SSL_ERROR_WANT_WRITE
) {
746 retc
= SSL_connect(clientssl
);
748 err
= SSL_get_error(clientssl
, retc
);
751 if (!clienterr
&& retc
<= 0 && err
!= SSL_ERROR_WANT_READ
) {
752 TEST_info("SSL_connect() failed %d, %d", retc
, err
);
755 if (want
!= SSL_ERROR_NONE
&& err
== want
)
758 err
= SSL_ERROR_WANT_WRITE
;
759 while (!servererr
&& rets
<= 0 && err
== SSL_ERROR_WANT_WRITE
) {
760 rets
= SSL_accept(serverssl
);
762 err
= SSL_get_error(serverssl
, rets
);
765 if (!servererr
&& rets
<= 0
766 && err
!= SSL_ERROR_WANT_READ
767 && err
!= SSL_ERROR_WANT_X509_LOOKUP
) {
768 TEST_info("SSL_accept() failed %d, %d", rets
, err
);
771 if (want
!= SSL_ERROR_NONE
&& err
== want
)
773 if (clienterr
&& servererr
)
775 if (isdtls
&& read
) {
776 unsigned char buf
[20];
778 /* Trigger any retransmits that may be appropriate */
779 if (rets
> 0 && retc
<= 0) {
780 if (SSL_read(serverssl
, buf
, sizeof(buf
)) > 0) {
781 /* We don't expect this to succeed! */
782 TEST_info("Unexpected SSL_read() success!");
786 if (retc
> 0 && rets
<= 0) {
787 if (SSL_read(clientssl
, buf
, sizeof(buf
)) > 0) {
788 /* We don't expect this to succeed! */
789 TEST_info("Unexpected SSL_read() success!");
794 if (++abortctr
== MAXLOOPS
) {
795 TEST_info("No progress made");
798 if (isdtls
&& abortctr
<= 50 && (abortctr
% 10) == 0) {
800 * It looks like we're just spinning. Pause for a short period to
801 * give the DTLS timer a chance to do something. We only do this for
802 * the first few times to prevent hangs.
806 } while (retc
<=0 || rets
<= 0);
812 * Create an SSL connection including any post handshake NewSessionTicket
815 int create_ssl_connection(SSL
*serverssl
, SSL
*clientssl
, int want
)
821 if (!create_bare_ssl_connection(serverssl
, clientssl
, want
, 1))
825 * We attempt to read some data on the client side which we expect to fail.
826 * This will ensure we have received the NewSessionTicket in TLSv1.3 where
827 * appropriate. We do this twice because there are 2 NewSesionTickets.
829 for (i
= 0; i
< 2; i
++) {
830 if (SSL_read_ex(clientssl
, &buf
, sizeof(buf
), &readbytes
) > 0) {
831 if (!TEST_ulong_eq(readbytes
, 0))
833 } else if (!TEST_int_eq(SSL_get_error(clientssl
, 0),
834 SSL_ERROR_WANT_READ
)) {
842 void shutdown_ssl_connection(SSL
*serverssl
, SSL
*clientssl
)
844 SSL_shutdown(clientssl
);
845 SSL_shutdown(serverssl
);