2 * Copyright 2016-2019 The OpenSSL Project Authors. All Rights Reserved.
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
12 #include "internal/nelem.h"
13 #include "ssltestlib.h"
17 #ifdef OPENSSL_SYS_UNIX
19 #ifndef OPENSSL_NO_KTLS
20 # include <netinet/in.h>
21 # include <netinet/in.h>
22 # include <arpa/inet.h>
23 # include <sys/socket.h>
28 static ossl_inline
void ossl_sleep(unsigned int millis
)
30 # ifdef OPENSSL_SYS_VXWORKS
32 ts
.tv_sec
= (long int) (millis
/ 1000);
33 ts
.tv_nsec
= (long int) (millis
% 1000) * 1000000ul;
36 usleep(millis
* 1000);
42 static ossl_inline
void ossl_sleep(unsigned int millis
)
47 /* Fallback to a busy wait */
48 static ossl_inline
void ossl_sleep(unsigned int millis
)
50 struct timeval start
, now
;
51 unsigned int elapsedms
;
53 gettimeofday(&start
, NULL
);
55 gettimeofday(&now
, NULL
);
56 elapsedms
= (((now
.tv_sec
- start
.tv_sec
) * 1000000)
57 + now
.tv_usec
- start
.tv_usec
) / 1000;
58 } while (elapsedms
< millis
);
62 static int tls_dump_new(BIO
*bi
);
63 static int tls_dump_free(BIO
*a
);
64 static int tls_dump_read(BIO
*b
, char *out
, int outl
);
65 static int tls_dump_write(BIO
*b
, const char *in
, int inl
);
66 static long tls_dump_ctrl(BIO
*b
, int cmd
, long num
, void *ptr
);
67 static int tls_dump_gets(BIO
*bp
, char *buf
, int size
);
68 static int tls_dump_puts(BIO
*bp
, const char *str
);
70 /* Choose a sufficiently large type likely to be unused for this custom BIO */
71 #define BIO_TYPE_TLS_DUMP_FILTER (0x80 | BIO_TYPE_FILTER)
72 #define BIO_TYPE_MEMPACKET_TEST 0x81
73 #define BIO_TYPE_ALWAYS_RETRY 0x82
75 static BIO_METHOD
*method_tls_dump
= NULL
;
76 static BIO_METHOD
*meth_mem
= NULL
;
77 static BIO_METHOD
*meth_always_retry
= NULL
;
79 /* Note: Not thread safe! */
80 const BIO_METHOD
*bio_f_tls_dump_filter(void)
82 if (method_tls_dump
== NULL
) {
83 method_tls_dump
= BIO_meth_new(BIO_TYPE_TLS_DUMP_FILTER
,
85 if ( method_tls_dump
== NULL
86 || !BIO_meth_set_write(method_tls_dump
, tls_dump_write
)
87 || !BIO_meth_set_read(method_tls_dump
, tls_dump_read
)
88 || !BIO_meth_set_puts(method_tls_dump
, tls_dump_puts
)
89 || !BIO_meth_set_gets(method_tls_dump
, tls_dump_gets
)
90 || !BIO_meth_set_ctrl(method_tls_dump
, tls_dump_ctrl
)
91 || !BIO_meth_set_create(method_tls_dump
, tls_dump_new
)
92 || !BIO_meth_set_destroy(method_tls_dump
, tls_dump_free
))
95 return method_tls_dump
;
98 void bio_f_tls_dump_filter_free(void)
100 BIO_meth_free(method_tls_dump
);
103 static int tls_dump_new(BIO
*bio
)
105 BIO_set_init(bio
, 1);
109 static int tls_dump_free(BIO
*bio
)
111 BIO_set_init(bio
, 0);
116 static void copy_flags(BIO
*bio
)
119 BIO
*next
= BIO_next(bio
);
121 flags
= BIO_test_flags(next
, BIO_FLAGS_SHOULD_RETRY
| BIO_FLAGS_RWS
);
122 BIO_clear_flags(bio
, BIO_FLAGS_SHOULD_RETRY
| BIO_FLAGS_RWS
);
123 BIO_set_flags(bio
, flags
);
126 #define RECORD_CONTENT_TYPE 0
127 #define RECORD_VERSION_HI 1
128 #define RECORD_VERSION_LO 2
129 #define RECORD_EPOCH_HI 3
130 #define RECORD_EPOCH_LO 4
131 #define RECORD_SEQUENCE_START 5
132 #define RECORD_SEQUENCE_END 10
133 #define RECORD_LEN_HI 11
134 #define RECORD_LEN_LO 12
138 #define MSG_LEN_MID 2
142 #define MSG_FRAG_OFF_HI 6
143 #define MSG_FRAG_OFF_MID 7
144 #define MSG_FRAG_OFF_LO 8
145 #define MSG_FRAG_LEN_HI 9
146 #define MSG_FRAG_LEN_MID 10
147 #define MSG_FRAG_LEN_LO 11
150 static void dump_data(const char *data
, int len
)
152 int rem
, i
, content
, reclen
, msglen
, fragoff
, fraglen
, epoch
;
155 printf("---- START OF PACKET ----\n");
158 rec
= (unsigned char *)data
;
163 printf("*---- START OF RECORD ----\n");
164 if (rem
< DTLS1_RT_HEADER_LENGTH
) {
165 printf("*---- RECORD TRUNCATED ----\n");
168 content
= rec
[RECORD_CONTENT_TYPE
];
169 printf("** Record Content-type: %d\n", content
);
170 printf("** Record Version: %02x%02x\n",
171 rec
[RECORD_VERSION_HI
], rec
[RECORD_VERSION_LO
]);
172 epoch
= (rec
[RECORD_EPOCH_HI
] << 8) | rec
[RECORD_EPOCH_LO
];
173 printf("** Record Epoch: %d\n", epoch
);
174 printf("** Record Sequence: ");
175 for (i
= RECORD_SEQUENCE_START
; i
<= RECORD_SEQUENCE_END
; i
++)
176 printf("%02x", rec
[i
]);
177 reclen
= (rec
[RECORD_LEN_HI
] << 8) | rec
[RECORD_LEN_LO
];
178 printf("\n** Record Length: %d\n", reclen
);
180 /* Now look at message */
181 rec
+= DTLS1_RT_HEADER_LENGTH
;
182 rem
-= DTLS1_RT_HEADER_LENGTH
;
183 if (content
== SSL3_RT_HANDSHAKE
) {
184 printf("**---- START OF HANDSHAKE MESSAGE FRAGMENT ----\n");
186 printf("**---- HANDSHAKE MESSAGE FRAGMENT ENCRYPTED ----\n");
187 } else if (rem
< DTLS1_HM_HEADER_LENGTH
188 || reclen
< DTLS1_HM_HEADER_LENGTH
) {
189 printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
191 printf("*** Message Type: %d\n", rec
[MSG_TYPE
]);
192 msglen
= (rec
[MSG_LEN_HI
] << 16) | (rec
[MSG_LEN_MID
] << 8)
194 printf("*** Message Length: %d\n", msglen
);
195 printf("*** Message sequence: %d\n",
196 (rec
[MSG_SEQ_HI
] << 8) | rec
[MSG_SEQ_LO
]);
197 fragoff
= (rec
[MSG_FRAG_OFF_HI
] << 16)
198 | (rec
[MSG_FRAG_OFF_MID
] << 8)
199 | rec
[MSG_FRAG_OFF_LO
];
200 printf("*** Message Fragment offset: %d\n", fragoff
);
201 fraglen
= (rec
[MSG_FRAG_LEN_HI
] << 16)
202 | (rec
[MSG_FRAG_LEN_MID
] << 8)
203 | rec
[MSG_FRAG_LEN_LO
];
204 printf("*** Message Fragment len: %d\n", fraglen
);
205 if (fragoff
+ fraglen
> msglen
)
206 printf("***---- HANDSHAKE MESSAGE FRAGMENT INVALID ----\n");
207 else if (reclen
< fraglen
)
208 printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
210 printf("**---- END OF HANDSHAKE MESSAGE FRAGMENT ----\n");
214 printf("*---- RECORD TRUNCATED ----\n");
219 printf("*---- END OF RECORD ----\n");
222 printf("---- END OF PACKET ----\n\n");
226 static int tls_dump_read(BIO
*bio
, char *out
, int outl
)
229 BIO
*next
= BIO_next(bio
);
231 ret
= BIO_read(next
, out
, outl
);
241 static int tls_dump_write(BIO
*bio
, const char *in
, int inl
)
244 BIO
*next
= BIO_next(bio
);
246 ret
= BIO_write(next
, in
, inl
);
252 static long tls_dump_ctrl(BIO
*bio
, int cmd
, long num
, void *ptr
)
255 BIO
*next
= BIO_next(bio
);
265 ret
= BIO_ctrl(next
, cmd
, num
, ptr
);
271 static int tls_dump_gets(BIO
*bio
, char *buf
, int size
)
273 /* We don't support this - not needed anyway */
277 static int tls_dump_puts(BIO
*bio
, const char *str
)
279 return tls_dump_write(bio
, str
, strlen(str
));
283 struct mempacket_st
{
290 static void mempacket_free(MEMPACKET
*pkt
)
292 if (pkt
->data
!= NULL
)
293 OPENSSL_free(pkt
->data
);
297 typedef struct mempacket_test_ctx_st
{
298 STACK_OF(MEMPACKET
) *pkts
;
300 unsigned int currrec
;
301 unsigned int currpkt
;
302 unsigned int lastpkt
;
303 unsigned int injected
;
304 unsigned int noinject
;
305 unsigned int dropepoch
;
308 } MEMPACKET_TEST_CTX
;
310 static int mempacket_test_new(BIO
*bi
);
311 static int mempacket_test_free(BIO
*a
);
312 static int mempacket_test_read(BIO
*b
, char *out
, int outl
);
313 static int mempacket_test_write(BIO
*b
, const char *in
, int inl
);
314 static long mempacket_test_ctrl(BIO
*b
, int cmd
, long num
, void *ptr
);
315 static int mempacket_test_gets(BIO
*bp
, char *buf
, int size
);
316 static int mempacket_test_puts(BIO
*bp
, const char *str
);
318 const BIO_METHOD
*bio_s_mempacket_test(void)
320 if (meth_mem
== NULL
) {
321 if (!TEST_ptr(meth_mem
= BIO_meth_new(BIO_TYPE_MEMPACKET_TEST
,
323 || !TEST_true(BIO_meth_set_write(meth_mem
, mempacket_test_write
))
324 || !TEST_true(BIO_meth_set_read(meth_mem
, mempacket_test_read
))
325 || !TEST_true(BIO_meth_set_puts(meth_mem
, mempacket_test_puts
))
326 || !TEST_true(BIO_meth_set_gets(meth_mem
, mempacket_test_gets
))
327 || !TEST_true(BIO_meth_set_ctrl(meth_mem
, mempacket_test_ctrl
))
328 || !TEST_true(BIO_meth_set_create(meth_mem
, mempacket_test_new
))
329 || !TEST_true(BIO_meth_set_destroy(meth_mem
, mempacket_test_free
)))
335 void bio_s_mempacket_test_free(void)
337 BIO_meth_free(meth_mem
);
340 static int mempacket_test_new(BIO
*bio
)
342 MEMPACKET_TEST_CTX
*ctx
;
344 if (!TEST_ptr(ctx
= OPENSSL_zalloc(sizeof(*ctx
))))
346 if (!TEST_ptr(ctx
->pkts
= sk_MEMPACKET_new_null())) {
352 BIO_set_init(bio
, 1);
353 BIO_set_data(bio
, ctx
);
357 static int mempacket_test_free(BIO
*bio
)
359 MEMPACKET_TEST_CTX
*ctx
= BIO_get_data(bio
);
361 sk_MEMPACKET_pop_free(ctx
->pkts
, mempacket_free
);
363 BIO_set_data(bio
, NULL
);
364 BIO_set_init(bio
, 0);
368 /* Record Header values */
371 #define RECORD_SEQUENCE 10
372 #define RECORD_LEN_HI 11
373 #define RECORD_LEN_LO 12
375 #define STANDARD_PACKET 0
377 static int mempacket_test_read(BIO
*bio
, char *out
, int outl
)
379 MEMPACKET_TEST_CTX
*ctx
= BIO_get_data(bio
);
383 unsigned int seq
, offset
, len
, epoch
;
385 BIO_clear_retry_flags(bio
);
386 thispkt
= sk_MEMPACKET_value(ctx
->pkts
, 0);
387 if (thispkt
== NULL
|| thispkt
->num
!= ctx
->currpkt
) {
388 /* Probably run out of data */
389 BIO_set_retry_read(bio
);
392 (void)sk_MEMPACKET_shift(ctx
->pkts
);
395 if (outl
> thispkt
->len
)
398 if (thispkt
->type
!= INJECT_PACKET_IGNORE_REC_SEQ
399 && (ctx
->injected
|| ctx
->droprec
>= 0)) {
401 * Overwrite the record sequence number. We strictly number them in
402 * the order received. Since we are actually a reliable transport
403 * we know that there won't be any re-ordering. We overwrite to deal
404 * with any packets that have been injected
406 for (rem
= thispkt
->len
, rec
= thispkt
->data
; rem
> 0; rem
-= len
) {
407 if (rem
< DTLS1_RT_HEADER_LENGTH
)
409 epoch
= (rec
[EPOCH_HI
] << 8) | rec
[EPOCH_LO
];
410 if (epoch
!= ctx
->epoch
) {
417 rec
[RECORD_SEQUENCE
- offset
] = seq
& 0xFF;
422 len
= ((rec
[RECORD_LEN_HI
] << 8) | rec
[RECORD_LEN_LO
])
423 + DTLS1_RT_HEADER_LENGTH
;
426 if (ctx
->droprec
== (int)ctx
->currrec
&& ctx
->dropepoch
== epoch
) {
428 memmove(rec
, rec
+ len
, rem
- len
);
432 BIO_set_retry_read(bio
);
441 memcpy(out
, thispkt
->data
, outl
);
442 mempacket_free(thispkt
);
446 int mempacket_test_inject(BIO
*bio
, const char *in
, int inl
, int pktnum
,
449 MEMPACKET_TEST_CTX
*ctx
= BIO_get_data(bio
);
450 MEMPACKET
*thispkt
= NULL
, *looppkt
, *nextpkt
, *allpkts
[3];
452 const unsigned char *inu
= (const unsigned char *)in
;
453 size_t len
= ((inu
[RECORD_LEN_HI
] << 8) | inu
[RECORD_LEN_LO
])
454 + DTLS1_RT_HEADER_LENGTH
;
459 if ((size_t)inl
< len
)
462 if ((size_t)inl
== len
)
465 duprec
= ctx
->duprec
> 0;
467 /* We don't support arbitrary injection when duplicating records */
468 if (duprec
&& pktnum
!= -1)
471 /* We only allow injection before we've started writing any data */
480 for (i
= 0; i
< (duprec
? 3 : 1); i
++) {
481 if (!TEST_ptr(allpkts
[i
] = OPENSSL_malloc(sizeof(*thispkt
))))
483 thispkt
= allpkts
[i
];
485 if (!TEST_ptr(thispkt
->data
= OPENSSL_malloc(inl
)))
488 * If we are duplicating the packet, we duplicate it three times. The
489 * first two times we drop the first record if there are more than one.
490 * In this way we know that libssl will not be able to make progress
491 * until it receives the last packet, and hence will be forced to
492 * buffer these records.
494 if (duprec
&& i
!= 2) {
495 memcpy(thispkt
->data
, in
+ len
, inl
- len
);
496 thispkt
->len
= inl
- len
;
498 memcpy(thispkt
->data
, in
, inl
);
501 thispkt
->num
= (pktnum
>= 0) ? (unsigned int)pktnum
: ctx
->lastpkt
+ i
;
502 thispkt
->type
= type
;
505 for(i
= 0; (looppkt
= sk_MEMPACKET_value(ctx
->pkts
, i
)) != NULL
; i
++) {
506 /* Check if we found the right place to insert this packet */
507 if (looppkt
->num
> thispkt
->num
) {
508 if (sk_MEMPACKET_insert(ctx
->pkts
, thispkt
, i
) == 0)
510 /* If we're doing up front injection then we're done */
514 * We need to do some accounting on lastpkt. We increment it first,
515 * but it might now equal the value of injected packets, so we need
521 nextpkt
= sk_MEMPACKET_value(ctx
->pkts
, i
);
522 if (nextpkt
!= NULL
&& nextpkt
->num
== ctx
->lastpkt
)
527 } else if (looppkt
->num
== thispkt
->num
) {
528 if (!ctx
->noinject
) {
529 /* We injected two packets with the same packet number! */
537 * We didn't find any packets with a packet number equal to or greater than
538 * this one, so we just add it onto the end
540 for (i
= 0; i
< (duprec
? 3 : 1); i
++) {
541 thispkt
= allpkts
[i
];
542 if (!sk_MEMPACKET_push(ctx
->pkts
, thispkt
))
552 for (i
= 0; i
< (ctx
->duprec
> 0 ? 3 : 1); i
++)
553 mempacket_free(allpkts
[i
]);
557 static int mempacket_test_write(BIO
*bio
, const char *in
, int inl
)
559 return mempacket_test_inject(bio
, in
, inl
, -1, STANDARD_PACKET
);
562 static long mempacket_test_ctrl(BIO
*bio
, int cmd
, long num
, void *ptr
)
565 MEMPACKET_TEST_CTX
*ctx
= BIO_get_data(bio
);
570 ret
= (long)(sk_MEMPACKET_num(ctx
->pkts
) == 0);
572 case BIO_CTRL_GET_CLOSE
:
573 ret
= BIO_get_shutdown(bio
);
575 case BIO_CTRL_SET_CLOSE
:
576 BIO_set_shutdown(bio
, (int)num
);
578 case BIO_CTRL_WPENDING
:
581 case BIO_CTRL_PENDING
:
582 thispkt
= sk_MEMPACKET_value(ctx
->pkts
, 0);
591 case MEMPACKET_CTRL_SET_DROP_EPOCH
:
592 ctx
->dropepoch
= (unsigned int)num
;
594 case MEMPACKET_CTRL_SET_DROP_REC
:
595 ctx
->droprec
= (int)num
;
597 case MEMPACKET_CTRL_GET_DROP_REC
:
600 case MEMPACKET_CTRL_SET_DUPLICATE_REC
:
601 ctx
->duprec
= (int)num
;
614 static int mempacket_test_gets(BIO
*bio
, char *buf
, int size
)
616 /* We don't support this - not needed anyway */
620 static int mempacket_test_puts(BIO
*bio
, const char *str
)
622 return mempacket_test_write(bio
, str
, strlen(str
));
625 static int always_retry_new(BIO
*bi
);
626 static int always_retry_free(BIO
*a
);
627 static int always_retry_read(BIO
*b
, char *out
, int outl
);
628 static int always_retry_write(BIO
*b
, const char *in
, int inl
);
629 static long always_retry_ctrl(BIO
*b
, int cmd
, long num
, void *ptr
);
630 static int always_retry_gets(BIO
*bp
, char *buf
, int size
);
631 static int always_retry_puts(BIO
*bp
, const char *str
);
633 const BIO_METHOD
*bio_s_always_retry(void)
635 if (meth_always_retry
== NULL
) {
636 if (!TEST_ptr(meth_always_retry
= BIO_meth_new(BIO_TYPE_ALWAYS_RETRY
,
638 || !TEST_true(BIO_meth_set_write(meth_always_retry
,
640 || !TEST_true(BIO_meth_set_read(meth_always_retry
,
642 || !TEST_true(BIO_meth_set_puts(meth_always_retry
,
644 || !TEST_true(BIO_meth_set_gets(meth_always_retry
,
646 || !TEST_true(BIO_meth_set_ctrl(meth_always_retry
,
648 || !TEST_true(BIO_meth_set_create(meth_always_retry
,
650 || !TEST_true(BIO_meth_set_destroy(meth_always_retry
,
654 return meth_always_retry
;
657 void bio_s_always_retry_free(void)
659 BIO_meth_free(meth_always_retry
);
662 static int always_retry_new(BIO
*bio
)
664 BIO_set_init(bio
, 1);
668 static int always_retry_free(BIO
*bio
)
670 BIO_set_data(bio
, NULL
);
671 BIO_set_init(bio
, 0);
675 static int always_retry_read(BIO
*bio
, char *out
, int outl
)
677 BIO_set_retry_read(bio
);
681 static int always_retry_write(BIO
*bio
, const char *in
, int inl
)
683 BIO_set_retry_write(bio
);
687 static long always_retry_ctrl(BIO
*bio
, int cmd
, long num
, void *ptr
)
693 BIO_set_retry_write(bio
);
707 static int always_retry_gets(BIO
*bio
, char *buf
, int size
)
709 BIO_set_retry_read(bio
);
713 static int always_retry_puts(BIO
*bio
, const char *str
)
715 BIO_set_retry_write(bio
);
719 int create_ssl_ctx_pair(const SSL_METHOD
*sm
, const SSL_METHOD
*cm
,
720 int min_proto_version
, int max_proto_version
,
721 SSL_CTX
**sctx
, SSL_CTX
**cctx
, char *certfile
,
724 SSL_CTX
*serverctx
= NULL
;
725 SSL_CTX
*clientctx
= NULL
;
727 if (!TEST_ptr(serverctx
= SSL_CTX_new(sm
))
728 || (cctx
!= NULL
&& !TEST_ptr(clientctx
= SSL_CTX_new(cm
))))
731 if ((min_proto_version
> 0
732 && !TEST_true(SSL_CTX_set_min_proto_version(serverctx
,
734 || (max_proto_version
> 0
735 && !TEST_true(SSL_CTX_set_max_proto_version(serverctx
,
736 max_proto_version
))))
738 if (clientctx
!= NULL
739 && ((min_proto_version
> 0
740 && !TEST_true(SSL_CTX_set_min_proto_version(clientctx
,
742 || (max_proto_version
> 0
743 && !TEST_true(SSL_CTX_set_max_proto_version(clientctx
,
744 max_proto_version
)))))
747 if (certfile
!= NULL
&& privkeyfile
!= NULL
) {
748 if (!TEST_int_eq(SSL_CTX_use_certificate_file(serverctx
, certfile
,
749 SSL_FILETYPE_PEM
), 1)
750 || !TEST_int_eq(SSL_CTX_use_PrivateKey_file(serverctx
,
752 SSL_FILETYPE_PEM
), 1)
753 || !TEST_int_eq(SSL_CTX_check_private_key(serverctx
), 1))
757 #ifndef OPENSSL_NO_DH
758 SSL_CTX_set_dh_auto(serverctx
, 1);
767 SSL_CTX_free(serverctx
);
768 SSL_CTX_free(clientctx
);
772 #define MAXLOOPS 1000000
774 #if !defined(OPENSSL_NO_KTLS) && !defined(OPENSSL_NO_SOCK)
775 static int set_nb(int fd
)
779 flags
= fcntl(fd
,F_GETFL
,0);
782 flags
= fcntl(fd
, F_SETFL
, flags
| O_NONBLOCK
);
786 int create_test_sockets(int *cfd
, int *sfd
)
788 struct sockaddr_in sin
;
789 const char *host
= "127.0.0.1";
790 int cfd_connected
= 0, ret
= 0;
791 socklen_t slen
= sizeof(sin
);
797 memset ((char *) &sin
, 0, sizeof(sin
));
798 sin
.sin_family
= AF_INET
;
799 sin
.sin_addr
.s_addr
= inet_addr(host
);
801 afd
= socket(AF_INET
, SOCK_STREAM
, 0);
805 if (bind(afd
, (struct sockaddr
*)&sin
, sizeof(sin
)) < 0)
808 if (getsockname(afd
, (struct sockaddr
*)&sin
, &slen
) < 0)
811 if (listen(afd
, 1) < 0)
814 *cfd
= socket(AF_INET
, SOCK_STREAM
, 0);
818 if (set_nb(afd
) == -1)
821 while (*sfd
== -1 || !cfd_connected
) {
822 *sfd
= accept(afd
, NULL
, 0);
823 if (*sfd
== -1 && errno
!= EAGAIN
)
826 if (!cfd_connected
&& connect(*cfd
, (struct sockaddr
*)&sin
, sizeof(sin
)) < 0)
832 if (set_nb(*cfd
) == -1 || set_nb(*sfd
) == -1)
848 int create_ssl_objects2(SSL_CTX
*serverctx
, SSL_CTX
*clientctx
, SSL
**sssl
,
849 SSL
**cssl
, int sfd
, int cfd
)
851 SSL
*serverssl
= NULL
, *clientssl
= NULL
;
852 BIO
*s_to_c_bio
= NULL
, *c_to_s_bio
= NULL
;
856 else if (!TEST_ptr(serverssl
= SSL_new(serverctx
)))
860 else if (!TEST_ptr(clientssl
= SSL_new(clientctx
)))
863 if (!TEST_ptr(s_to_c_bio
= BIO_new_socket(sfd
, BIO_NOCLOSE
))
864 || !TEST_ptr(c_to_s_bio
= BIO_new_socket(cfd
, BIO_NOCLOSE
)))
867 SSL_set_bio(clientssl
, c_to_s_bio
, c_to_s_bio
);
868 SSL_set_bio(serverssl
, s_to_c_bio
, s_to_c_bio
);
876 BIO_free(s_to_c_bio
);
877 BIO_free(c_to_s_bio
);
883 * NOTE: Transfers control of the BIOs - this function will free them on error
885 int create_ssl_objects(SSL_CTX
*serverctx
, SSL_CTX
*clientctx
, SSL
**sssl
,
886 SSL
**cssl
, BIO
*s_to_c_fbio
, BIO
*c_to_s_fbio
)
888 SSL
*serverssl
= NULL
, *clientssl
= NULL
;
889 BIO
*s_to_c_bio
= NULL
, *c_to_s_bio
= NULL
;
893 else if (!TEST_ptr(serverssl
= SSL_new(serverctx
)))
897 else if (!TEST_ptr(clientssl
= SSL_new(clientctx
)))
900 if (SSL_is_dtls(clientssl
)) {
901 if (!TEST_ptr(s_to_c_bio
= BIO_new(bio_s_mempacket_test()))
902 || !TEST_ptr(c_to_s_bio
= BIO_new(bio_s_mempacket_test())))
905 if (!TEST_ptr(s_to_c_bio
= BIO_new(BIO_s_mem()))
906 || !TEST_ptr(c_to_s_bio
= BIO_new(BIO_s_mem())))
910 if (s_to_c_fbio
!= NULL
911 && !TEST_ptr(s_to_c_bio
= BIO_push(s_to_c_fbio
, s_to_c_bio
)))
913 if (c_to_s_fbio
!= NULL
914 && !TEST_ptr(c_to_s_bio
= BIO_push(c_to_s_fbio
, c_to_s_bio
)))
917 /* Set Non-blocking IO behaviour */
918 BIO_set_mem_eof_return(s_to_c_bio
, -1);
919 BIO_set_mem_eof_return(c_to_s_bio
, -1);
921 /* Up ref these as we are passing them to two SSL objects */
922 SSL_set_bio(serverssl
, c_to_s_bio
, s_to_c_bio
);
923 BIO_up_ref(s_to_c_bio
);
924 BIO_up_ref(c_to_s_bio
);
925 SSL_set_bio(clientssl
, s_to_c_bio
, c_to_s_bio
);
933 BIO_free(s_to_c_bio
);
934 BIO_free(c_to_s_bio
);
935 BIO_free(s_to_c_fbio
);
936 BIO_free(c_to_s_fbio
);
942 * Create an SSL connection, but does not ready any post-handshake
943 * NewSessionTicket messages.
944 * If |read| is set and we're using DTLS then we will attempt to SSL_read on
945 * the connection once we've completed one half of it, to ensure any retransmits
948 int create_bare_ssl_connection(SSL
*serverssl
, SSL
*clientssl
, int want
,
951 int retc
= -1, rets
= -1, err
, abortctr
= 0;
952 int clienterr
= 0, servererr
= 0;
953 int isdtls
= SSL_is_dtls(serverssl
);
956 err
= SSL_ERROR_WANT_WRITE
;
957 while (!clienterr
&& retc
<= 0 && err
== SSL_ERROR_WANT_WRITE
) {
958 retc
= SSL_connect(clientssl
);
960 err
= SSL_get_error(clientssl
, retc
);
963 if (!clienterr
&& retc
<= 0 && err
!= SSL_ERROR_WANT_READ
) {
964 TEST_info("SSL_connect() failed %d, %d", retc
, err
);
967 if (want
!= SSL_ERROR_NONE
&& err
== want
)
970 err
= SSL_ERROR_WANT_WRITE
;
971 while (!servererr
&& rets
<= 0 && err
== SSL_ERROR_WANT_WRITE
) {
972 rets
= SSL_accept(serverssl
);
974 err
= SSL_get_error(serverssl
, rets
);
977 if (!servererr
&& rets
<= 0
978 && err
!= SSL_ERROR_WANT_READ
979 && err
!= SSL_ERROR_WANT_X509_LOOKUP
) {
980 TEST_info("SSL_accept() failed %d, %d", rets
, err
);
983 if (want
!= SSL_ERROR_NONE
&& err
== want
)
985 if (clienterr
&& servererr
)
987 if (isdtls
&& read
) {
988 unsigned char buf
[20];
990 /* Trigger any retransmits that may be appropriate */
991 if (rets
> 0 && retc
<= 0) {
992 if (SSL_read(serverssl
, buf
, sizeof(buf
)) > 0) {
993 /* We don't expect this to succeed! */
994 TEST_info("Unexpected SSL_read() success!");
998 if (retc
> 0 && rets
<= 0) {
999 if (SSL_read(clientssl
, buf
, sizeof(buf
)) > 0) {
1000 /* We don't expect this to succeed! */
1001 TEST_info("Unexpected SSL_read() success!");
1006 if (++abortctr
== MAXLOOPS
) {
1007 TEST_info("No progress made");
1010 if (isdtls
&& abortctr
<= 50 && (abortctr
% 10) == 0) {
1012 * It looks like we're just spinning. Pause for a short period to
1013 * give the DTLS timer a chance to do something. We only do this for
1014 * the first few times to prevent hangs.
1018 } while (retc
<=0 || rets
<= 0);
1024 * Create an SSL connection including any post handshake NewSessionTicket
1027 int create_ssl_connection(SSL
*serverssl
, SSL
*clientssl
, int want
)
1033 if (!create_bare_ssl_connection(serverssl
, clientssl
, want
, 1))
1037 * We attempt to read some data on the client side which we expect to fail.
1038 * This will ensure we have received the NewSessionTicket in TLSv1.3 where
1039 * appropriate. We do this twice because there are 2 NewSessionTickets.
1041 for (i
= 0; i
< 2; i
++) {
1042 if (SSL_read_ex(clientssl
, &buf
, sizeof(buf
), &readbytes
) > 0) {
1043 if (!TEST_ulong_eq(readbytes
, 0))
1045 } else if (!TEST_int_eq(SSL_get_error(clientssl
, 0),
1046 SSL_ERROR_WANT_READ
)) {
1054 void shutdown_ssl_connection(SSL
*serverssl
, SSL
*clientssl
)
1056 SSL_shutdown(clientssl
);
1057 SSL_shutdown(serverssl
);
1058 SSL_free(serverssl
);
1059 SSL_free(clientssl
);