2 * Copyright 2016 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 <openssl/bio.h>
13 #include <openssl/x509_vfy.h>
14 #include <openssl/ssl.h>
15 #ifndef OPENSSL_NO_SRP
16 #include <openssl/srp.h>
19 #ifndef OPENSSL_NO_SOCK
24 #include "handshake_helper.h"
27 HANDSHAKE_RESULT
*HANDSHAKE_RESULT_new()
29 HANDSHAKE_RESULT
*ret
= OPENSSL_zalloc(sizeof(*ret
));
30 TEST_check(ret
!= NULL
);
34 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT
*result
)
38 OPENSSL_free(result
->client_npn_negotiated
);
39 OPENSSL_free(result
->server_npn_negotiated
);
40 OPENSSL_free(result
->client_alpn_negotiated
);
41 OPENSSL_free(result
->server_alpn_negotiated
);
42 sk_X509_NAME_pop_free(result
->server_ca_names
, X509_NAME_free
);
43 sk_X509_NAME_pop_free(result
->client_ca_names
, X509_NAME_free
);
48 * Since there appears to be no way to extract the sent/received alert
49 * from the SSL object directly, we use the info callback and stash
50 * the result in ex_data.
52 typedef struct handshake_ex_data_st
{
54 int num_fatal_alerts_sent
;
56 int session_ticket_do_not_call
;
57 ssl_servername_t servername
;
60 typedef struct ctx_data_st
{
61 unsigned char *npn_protocols
;
62 size_t npn_protocols_len
;
63 unsigned char *alpn_protocols
;
64 size_t alpn_protocols_len
;
69 /* |ctx_data| itself is stack-allocated. */
70 static void ctx_data_free_data(CTX_DATA
*ctx_data
)
72 OPENSSL_free(ctx_data
->npn_protocols
);
73 ctx_data
->npn_protocols
= NULL
;
74 OPENSSL_free(ctx_data
->alpn_protocols
);
75 ctx_data
->alpn_protocols
= NULL
;
76 OPENSSL_free(ctx_data
->srp_user
);
77 ctx_data
->srp_user
= NULL
;
78 OPENSSL_free(ctx_data
->srp_password
);
79 ctx_data
->srp_password
= NULL
;
82 static int ex_data_idx
;
84 static void info_cb(const SSL
*s
, int where
, int ret
)
86 if (where
& SSL_CB_ALERT
) {
87 HANDSHAKE_EX_DATA
*ex_data
=
88 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
89 if (where
& SSL_CB_WRITE
) {
90 ex_data
->alert_sent
= ret
;
91 if (strcmp(SSL_alert_type_string(ret
), "F") == 0
92 || strcmp(SSL_alert_desc_string(ret
), "CN") == 0)
93 ex_data
->num_fatal_alerts_sent
++;
95 ex_data
->alert_received
= ret
;
100 /* Select the appropriate server CTX.
101 * Returns SSL_TLSEXT_ERR_OK if a match was found.
102 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
103 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
104 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
106 static int select_server_ctx(SSL
*s
, void *arg
, int ignore
)
108 const char *servername
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
109 HANDSHAKE_EX_DATA
*ex_data
=
110 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
112 if (servername
== NULL
) {
113 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
114 return SSL_TLSEXT_ERR_NOACK
;
117 if (strcmp(servername
, "server2") == 0) {
118 SSL_CTX
*new_ctx
= (SSL_CTX
*)arg
;
119 SSL_set_SSL_CTX(s
, new_ctx
);
121 * Copy over all the SSL_CTX options - reasonable behavior
122 * allows testing of cases where the options between two
123 * contexts differ/conflict
125 SSL_clear_options(s
, 0xFFFFFFFFL
);
126 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
128 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
129 return SSL_TLSEXT_ERR_OK
;
130 } else if (strcmp(servername
, "server1") == 0) {
131 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
132 return SSL_TLSEXT_ERR_OK
;
134 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
135 return SSL_TLSEXT_ERR_NOACK
;
137 /* Don't set an explicit alert, to test library defaults. */
138 return SSL_TLSEXT_ERR_ALERT_FATAL
;
142 static int early_select_server_ctx(SSL
*s
, void *arg
, int ignore
)
144 const char *servername
;
145 const unsigned char *p
;
146 size_t len
, remaining
;
147 HANDSHAKE_EX_DATA
*ex_data
=
148 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
151 * The server_name extension was given too much extensibility when it
152 * was written, so parsing the normal case is a bit complex.
154 if (!SSL_early_get0_ext(s
, TLSEXT_TYPE_server_name
, &p
, &remaining
) ||
157 /* Extract the length of the supplied list of names. */
160 if (len
+ 2 != remaining
)
164 * The list in practice only has a single element, so we only consider
167 if (remaining
== 0 || *p
++ != TLSEXT_NAMETYPE_host_name
)
170 /* Now we can finally pull out the byte array with the actual hostname. */
175 if (len
+ 2 > remaining
)
178 servername
= (const char *)p
;
180 if (len
== strlen("server2") && strncmp(servername
, "server2", len
) == 0) {
181 SSL_CTX
*new_ctx
= arg
;
182 SSL_set_SSL_CTX(s
, new_ctx
);
184 * Copy over all the SSL_CTX options - reasonable behavior
185 * allows testing of cases where the options between two
186 * contexts differ/conflict
188 SSL_clear_options(s
, 0xFFFFFFFFL
);
189 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
191 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
193 } else if (len
== strlen("server1") &&
194 strncmp(servername
, "server1", len
) == 0) {
195 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
198 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
205 * If the server understood the ClientHello extension but
206 * does not recognize the server name, the server SHOULD take one of two
207 * actions: either abort the handshake by sending a fatal-level
208 * unrecognized_name(112) alert or continue the handshake.
210 * This behaviour is up to the application to configure; we test both
211 * configurations to ensure the state machine propagates the result
214 static int servername_ignore_cb(SSL
*s
, int *ad
, void *arg
)
216 return select_server_ctx(s
, arg
, 1);
219 static int servername_reject_cb(SSL
*s
, int *ad
, void *arg
)
221 return select_server_ctx(s
, arg
, 0);
224 static int early_ignore_cb(SSL
*s
, int *al
, void *arg
)
226 if (!early_select_server_ctx(s
, arg
, 1)) {
227 *al
= SSL_AD_UNRECOGNIZED_NAME
;
233 static int early_reject_cb(SSL
*s
, int *al
, void *arg
)
235 if (!early_select_server_ctx(s
, arg
, 0)) {
236 *al
= SSL_AD_UNRECOGNIZED_NAME
;
242 static int early_nov12_cb(SSL
*s
, int *al
, void *arg
)
246 const unsigned char *p
;
248 v
= SSL_early_get0_legacy_version(s
);
249 if (v
> TLS1_2_VERSION
|| v
< SSL3_VERSION
) {
250 *al
= SSL_AD_PROTOCOL_VERSION
;
253 (void)SSL_early_get0_session_id(s
, &p
);
255 SSL_early_get0_random(s
, &p
) == 0 ||
256 SSL_early_get0_ciphers(s
, &p
) == 0 ||
257 SSL_early_get0_compression_methods(s
, &p
) == 0) {
258 *al
= SSL_AD_INTERNAL_ERROR
;
261 ret
= early_select_server_ctx(s
, arg
, 0);
262 SSL_set_max_proto_version(s
, TLS1_1_VERSION
);
264 *al
= SSL_AD_UNRECOGNIZED_NAME
;
268 static unsigned char dummy_ocsp_resp_good_val
= 0xff;
269 static unsigned char dummy_ocsp_resp_bad_val
= 0xfe;
271 static int server_ocsp_cb(SSL
*s
, void *arg
)
275 resp
= OPENSSL_malloc(1);
277 return SSL_TLSEXT_ERR_ALERT_FATAL
;
279 * For the purposes of testing we just send back a dummy OCSP response
281 *resp
= *(unsigned char *)arg
;
282 if (!SSL_set_tlsext_status_ocsp_resp(s
, resp
, 1))
283 return SSL_TLSEXT_ERR_ALERT_FATAL
;
285 return SSL_TLSEXT_ERR_OK
;
288 static int client_ocsp_cb(SSL
*s
, void *arg
)
290 const unsigned char *resp
;
293 len
= SSL_get_tlsext_status_ocsp_resp(s
, &resp
);
294 if (len
!= 1 || *resp
!= dummy_ocsp_resp_good_val
)
300 static int verify_reject_cb(X509_STORE_CTX
*ctx
, void *arg
) {
301 X509_STORE_CTX_set_error(ctx
, X509_V_ERR_APPLICATION_VERIFICATION
);
305 static int verify_accept_cb(X509_STORE_CTX
*ctx
, void *arg
) {
309 static int broken_session_ticket_cb(SSL
*s
, unsigned char *key_name
, unsigned char *iv
,
310 EVP_CIPHER_CTX
*ctx
, HMAC_CTX
*hctx
, int enc
)
315 static int do_not_call_session_ticket_cb(SSL
*s
, unsigned char *key_name
,
318 HMAC_CTX
*hctx
, int enc
)
320 HANDSHAKE_EX_DATA
*ex_data
=
321 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
322 ex_data
->session_ticket_do_not_call
= 1;
326 /* Parse the comma-separated list into TLS format. */
327 static void parse_protos(const char *protos
, unsigned char **out
, size_t *outlen
)
329 size_t len
, i
, prefix
;
331 len
= strlen(protos
);
333 /* Should never have reuse. */
334 TEST_check(*out
== NULL
);
336 /* Test values are small, so we omit length limit checks. */
337 *out
= OPENSSL_malloc(len
+ 1);
338 TEST_check(*out
!= NULL
);
342 * foo => '3', 'f', 'o', 'o'
343 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
345 memcpy(*out
+ 1, protos
, len
);
350 if ((*out
)[i
] == ',') {
351 TEST_check(i
- 1 - prefix
> 0);
352 (*out
)[prefix
] = i
- 1 - prefix
;
357 TEST_check(len
- prefix
> 0);
358 (*out
)[prefix
] = len
- prefix
;
361 #ifndef OPENSSL_NO_NEXTPROTONEG
363 * The client SHOULD select the first protocol advertised by the server that it
364 * also supports. In the event that the client doesn't support any of server's
365 * protocols, or the server doesn't advertise any, it SHOULD select the first
366 * protocol that it supports.
368 static int client_npn_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
369 const unsigned char *in
, unsigned int inlen
,
372 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
375 ret
= SSL_select_next_proto(out
, outlen
, in
, inlen
,
376 ctx_data
->npn_protocols
,
377 ctx_data
->npn_protocols_len
);
378 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
379 TEST_check(ret
== OPENSSL_NPN_NEGOTIATED
|| ret
== OPENSSL_NPN_NO_OVERLAP
);
380 return SSL_TLSEXT_ERR_OK
;
383 static int server_npn_cb(SSL
*s
, const unsigned char **data
,
384 unsigned int *len
, void *arg
)
386 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
387 *data
= ctx_data
->npn_protocols
;
388 *len
= ctx_data
->npn_protocols_len
;
389 return SSL_TLSEXT_ERR_OK
;
394 * The server SHOULD select the most highly preferred protocol that it supports
395 * and that is also advertised by the client. In the event that the server
396 * supports no protocols that the client advertises, then the server SHALL
397 * respond with a fatal "no_application_protocol" alert.
399 static int server_alpn_cb(SSL
*s
, const unsigned char **out
,
400 unsigned char *outlen
, const unsigned char *in
,
401 unsigned int inlen
, void *arg
)
403 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
406 /* SSL_select_next_proto isn't const-correct... */
407 unsigned char *tmp_out
;
410 * The result points either to |in| or to |ctx_data->alpn_protocols|.
411 * The callback is allowed to point to |in| or to a long-lived buffer,
412 * so we can return directly without storing a copy.
414 ret
= SSL_select_next_proto(&tmp_out
, outlen
,
415 ctx_data
->alpn_protocols
,
416 ctx_data
->alpn_protocols_len
, in
, inlen
);
419 /* Unlike NPN, we don't tolerate a mismatch. */
420 return ret
== OPENSSL_NPN_NEGOTIATED
? SSL_TLSEXT_ERR_OK
421 : SSL_TLSEXT_ERR_ALERT_FATAL
;
424 #ifndef OPENSSL_NO_SRP
425 static char *client_srp_cb(SSL
*s
, void *arg
)
427 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
428 return OPENSSL_strdup(ctx_data
->srp_password
);
431 static int server_srp_cb(SSL
*s
, int *ad
, void *arg
)
433 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
434 if (strcmp(ctx_data
->srp_user
, SSL_get_srp_username(s
)) != 0)
435 return SSL3_AL_FATAL
;
436 if (SSL_set_srp_server_param_pw(s
, ctx_data
->srp_user
,
437 ctx_data
->srp_password
,
438 "2048" /* known group */) < 0) {
439 *ad
= SSL_AD_INTERNAL_ERROR
;
440 return SSL3_AL_FATAL
;
442 return SSL_ERROR_NONE
;
444 #endif /* !OPENSSL_NO_SRP */
447 * Configure callbacks and other properties that can't be set directly
448 * in the server/client CONF.
450 static void configure_handshake_ctx(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
452 const SSL_TEST_CTX
*test
,
453 const SSL_TEST_EXTRA_CONF
*extra
,
454 CTX_DATA
*server_ctx_data
,
455 CTX_DATA
*server2_ctx_data
,
456 CTX_DATA
*client_ctx_data
)
458 unsigned char *ticket_keys
;
459 size_t ticket_key_len
;
461 TEST_check(SSL_CTX_set_max_send_fragment(server_ctx
,
462 test
->max_fragment_size
) == 1);
463 if (server2_ctx
!= NULL
) {
464 TEST_check(SSL_CTX_set_max_send_fragment(server2_ctx
,
465 test
->max_fragment_size
) == 1);
467 TEST_check(SSL_CTX_set_max_send_fragment(client_ctx
,
468 test
->max_fragment_size
) == 1);
470 switch (extra
->client
.verify_callback
) {
471 case SSL_TEST_VERIFY_ACCEPT_ALL
:
472 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_accept_cb
,
475 case SSL_TEST_VERIFY_REJECT_ALL
:
476 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_reject_cb
,
479 case SSL_TEST_VERIFY_NONE
:
484 * Link the two contexts for SNI purposes.
485 * Also do early callbacks here, as setting both early and SNI is bad.
487 switch (extra
->server
.servername_callback
) {
488 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH
:
489 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_ignore_cb
);
490 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
492 case SSL_TEST_SERVERNAME_REJECT_MISMATCH
:
493 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_reject_cb
);
494 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
496 case SSL_TEST_SERVERNAME_CB_NONE
:
498 case SSL_TEST_SERVERNAME_EARLY_IGNORE_MISMATCH
:
499 SSL_CTX_set_early_cb(server_ctx
, early_ignore_cb
, server2_ctx
);
501 case SSL_TEST_SERVERNAME_EARLY_REJECT_MISMATCH
:
502 SSL_CTX_set_early_cb(server_ctx
, early_reject_cb
, server2_ctx
);
504 case SSL_TEST_SERVERNAME_EARLY_NO_V12
:
505 SSL_CTX_set_early_cb(server_ctx
, early_nov12_cb
, server2_ctx
);
508 if (extra
->server
.cert_status
!= SSL_TEST_CERT_STATUS_NONE
) {
509 SSL_CTX_set_tlsext_status_type(client_ctx
, TLSEXT_STATUSTYPE_ocsp
);
510 SSL_CTX_set_tlsext_status_cb(client_ctx
, client_ocsp_cb
);
511 SSL_CTX_set_tlsext_status_arg(client_ctx
, NULL
);
512 SSL_CTX_set_tlsext_status_cb(server_ctx
, server_ocsp_cb
);
513 SSL_CTX_set_tlsext_status_arg(server_ctx
,
514 ((extra
->server
.cert_status
== SSL_TEST_CERT_STATUS_GOOD_RESPONSE
)
515 ? &dummy_ocsp_resp_good_val
: &dummy_ocsp_resp_bad_val
));
519 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
520 * session ticket. This ticket_key callback is assigned to the second
521 * session (assigned via SNI), and should never be invoked
523 if (server2_ctx
!= NULL
)
524 SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx
,
525 do_not_call_session_ticket_cb
);
527 if (extra
->server
.broken_session_ticket
) {
528 SSL_CTX_set_tlsext_ticket_key_cb(server_ctx
, broken_session_ticket_cb
);
530 #ifndef OPENSSL_NO_NEXTPROTONEG
531 if (extra
->server
.npn_protocols
!= NULL
) {
532 parse_protos(extra
->server
.npn_protocols
,
533 &server_ctx_data
->npn_protocols
,
534 &server_ctx_data
->npn_protocols_len
);
535 SSL_CTX_set_npn_advertised_cb(server_ctx
, server_npn_cb
,
538 if (extra
->server2
.npn_protocols
!= NULL
) {
539 parse_protos(extra
->server2
.npn_protocols
,
540 &server2_ctx_data
->npn_protocols
,
541 &server2_ctx_data
->npn_protocols_len
);
542 TEST_check(server2_ctx
!= NULL
);
543 SSL_CTX_set_npn_advertised_cb(server2_ctx
, server_npn_cb
,
546 if (extra
->client
.npn_protocols
!= NULL
) {
547 parse_protos(extra
->client
.npn_protocols
,
548 &client_ctx_data
->npn_protocols
,
549 &client_ctx_data
->npn_protocols_len
);
550 SSL_CTX_set_next_proto_select_cb(client_ctx
, client_npn_cb
,
554 if (extra
->server
.alpn_protocols
!= NULL
) {
555 parse_protos(extra
->server
.alpn_protocols
,
556 &server_ctx_data
->alpn_protocols
,
557 &server_ctx_data
->alpn_protocols_len
);
558 SSL_CTX_set_alpn_select_cb(server_ctx
, server_alpn_cb
, server_ctx_data
);
560 if (extra
->server2
.alpn_protocols
!= NULL
) {
561 TEST_check(server2_ctx
!= NULL
);
562 parse_protos(extra
->server2
.alpn_protocols
,
563 &server2_ctx_data
->alpn_protocols
,
564 &server2_ctx_data
->alpn_protocols_len
);
565 SSL_CTX_set_alpn_select_cb(server2_ctx
, server_alpn_cb
, server2_ctx_data
);
567 if (extra
->client
.alpn_protocols
!= NULL
) {
568 unsigned char *alpn_protos
= NULL
;
569 size_t alpn_protos_len
;
570 parse_protos(extra
->client
.alpn_protocols
,
571 &alpn_protos
, &alpn_protos_len
);
572 /* Reversed return value convention... */
573 TEST_check(SSL_CTX_set_alpn_protos(client_ctx
, alpn_protos
,
574 alpn_protos_len
) == 0);
575 OPENSSL_free(alpn_protos
);
579 * Use fixed session ticket keys so that we can decrypt a ticket created with
580 * one CTX in another CTX. Don't address server2 for the moment.
582 ticket_key_len
= SSL_CTX_set_tlsext_ticket_keys(server_ctx
, NULL
, 0);
583 ticket_keys
= OPENSSL_zalloc(ticket_key_len
);
584 TEST_check(ticket_keys
!= NULL
);
585 TEST_check(SSL_CTX_set_tlsext_ticket_keys(server_ctx
, ticket_keys
,
586 ticket_key_len
) == 1);
587 OPENSSL_free(ticket_keys
);
589 /* The default log list includes EC keys, so CT can't work without EC. */
590 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
591 TEST_check(SSL_CTX_set_default_ctlog_list_file(client_ctx
));
592 switch (extra
->client
.ct_validation
) {
593 case SSL_TEST_CT_VALIDATION_PERMISSIVE
:
594 TEST_check(SSL_CTX_enable_ct(client_ctx
, SSL_CT_VALIDATION_PERMISSIVE
));
596 case SSL_TEST_CT_VALIDATION_STRICT
:
597 TEST_check(SSL_CTX_enable_ct(client_ctx
, SSL_CT_VALIDATION_STRICT
));
599 case SSL_TEST_CT_VALIDATION_NONE
:
603 #ifndef OPENSSL_NO_SRP
604 if (extra
->server
.srp_user
!= NULL
) {
605 SSL_CTX_set_srp_username_callback(server_ctx
, server_srp_cb
);
606 server_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server
.srp_user
);
607 server_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server
.srp_password
);
608 SSL_CTX_set_srp_cb_arg(server_ctx
, server_ctx_data
);
610 if (extra
->server2
.srp_user
!= NULL
) {
611 TEST_check(server2_ctx
!= NULL
);
612 SSL_CTX_set_srp_username_callback(server2_ctx
, server_srp_cb
);
613 server2_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server2
.srp_user
);
614 server2_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server2
.srp_password
);
615 SSL_CTX_set_srp_cb_arg(server2_ctx
, server2_ctx_data
);
617 if (extra
->client
.srp_user
!= NULL
) {
618 TEST_check(SSL_CTX_set_srp_username(client_ctx
, extra
->client
.srp_user
));
619 SSL_CTX_set_srp_client_pwd_callback(client_ctx
, client_srp_cb
);
620 client_ctx_data
->srp_password
= OPENSSL_strdup(extra
->client
.srp_password
);
621 SSL_CTX_set_srp_cb_arg(client_ctx
, client_ctx_data
);
623 #endif /* !OPENSSL_NO_SRP */
626 /* Configure per-SSL callbacks and other properties. */
627 static void configure_handshake_ssl(SSL
*server
, SSL
*client
,
628 const SSL_TEST_EXTRA_CONF
*extra
)
630 if (extra
->client
.servername
!= SSL_TEST_SERVERNAME_NONE
)
631 SSL_set_tlsext_host_name(client
,
632 ssl_servername_name(extra
->client
.servername
));
635 /* The status for each connection phase. */
643 /* An SSL object and associated read-write buffers. */
644 typedef struct peer_st
{
646 /* Buffer lengths are int to match the SSL read/write API. */
647 unsigned char *write_buf
;
649 unsigned char *read_buf
;
653 peer_status_t status
;
656 static void create_peer(PEER
*peer
, SSL_CTX
*ctx
)
658 static const int peer_buffer_size
= 64 * 1024;
660 peer
->ssl
= SSL_new(ctx
);
661 TEST_check(peer
->ssl
!= NULL
);
662 peer
->write_buf
= OPENSSL_zalloc(peer_buffer_size
);
663 TEST_check(peer
->write_buf
!= NULL
);
664 peer
->read_buf
= OPENSSL_zalloc(peer_buffer_size
);
665 TEST_check(peer
->read_buf
!= NULL
);
666 peer
->write_buf_len
= peer
->read_buf_len
= peer_buffer_size
;
669 static void peer_free_data(PEER
*peer
)
672 OPENSSL_free(peer
->write_buf
);
673 OPENSSL_free(peer
->read_buf
);
677 * Note that we could do the handshake transparently under an SSL_write,
678 * but separating the steps is more helpful for debugging test failures.
680 static void do_handshake_step(PEER
*peer
)
684 TEST_check(peer
->status
== PEER_RETRY
);
685 ret
= SSL_do_handshake(peer
->ssl
);
688 peer
->status
= PEER_SUCCESS
;
689 } else if (ret
== 0) {
690 peer
->status
= PEER_ERROR
;
692 int error
= SSL_get_error(peer
->ssl
, ret
);
693 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
694 if (error
!= SSL_ERROR_WANT_READ
)
695 peer
->status
= PEER_ERROR
;
700 * Send/receive some application data. The read-write sequence is
701 * Peer A: (R) W - first read will yield no data
708 static void do_app_data_step(PEER
*peer
)
710 int ret
= 1, write_bytes
;
712 TEST_check(peer
->status
== PEER_RETRY
);
714 /* We read everything available... */
715 while (ret
> 0 && peer
->bytes_to_read
) {
716 ret
= SSL_read(peer
->ssl
, peer
->read_buf
, peer
->read_buf_len
);
718 TEST_check(ret
<= peer
->bytes_to_read
);
719 peer
->bytes_to_read
-= ret
;
720 } else if (ret
== 0) {
721 peer
->status
= PEER_ERROR
;
724 int error
= SSL_get_error(peer
->ssl
, ret
);
725 if (error
!= SSL_ERROR_WANT_READ
) {
726 peer
->status
= PEER_ERROR
;
728 } /* Else continue with write. */
732 /* ... but we only write one write-buffer-full of data. */
733 write_bytes
= peer
->bytes_to_write
< peer
->write_buf_len
? peer
->bytes_to_write
:
736 ret
= SSL_write(peer
->ssl
, peer
->write_buf
, write_bytes
);
738 /* SSL_write will only succeed with a complete write. */
739 TEST_check(ret
== write_bytes
);
740 peer
->bytes_to_write
-= ret
;
743 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
744 * but this doesn't yet occur with current app data sizes.
746 peer
->status
= PEER_ERROR
;
752 * We could simply finish when there was nothing to read, and we have
753 * nothing left to write. But keeping track of the expected number of bytes
754 * to read gives us somewhat better guarantees that all data sent is in fact
757 if (!peer
->bytes_to_write
&& !peer
->bytes_to_read
) {
758 peer
->status
= PEER_SUCCESS
;
762 static void do_reneg_setup_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
)
767 if (peer
->status
== PEER_SUCCESS
) {
769 * We are a client that succeeded this step previously, but the server
770 * wanted to retry. Probably there is a no_renegotiation warning alert
771 * waiting for us. Attempt to continue the handshake.
773 peer
->status
= PEER_RETRY
;
774 do_handshake_step(peer
);
778 TEST_check(peer
->status
== PEER_RETRY
);
779 TEST_check(test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
780 || test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
781 || test_ctx
->handshake_mode
782 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
783 || test_ctx
->handshake_mode
784 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
);
786 /* Reset the count of the amount of app data we need to read/write */
787 peer
->bytes_to_write
= peer
->bytes_to_read
= test_ctx
->app_data_size
;
789 /* Check if we are the peer that is going to initiate */
790 if ((test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
791 && SSL_is_server(peer
->ssl
))
792 || (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
793 && !SSL_is_server(peer
->ssl
))) {
795 * If we already asked for a renegotiation then fall through to the
798 if (!SSL_renegotiate_pending(peer
->ssl
)) {
800 * If we are the client we will always attempt to resume the
801 * session. The server may or may not resume dependant on the
802 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
804 if (SSL_is_server(peer
->ssl
)) {
805 ret
= SSL_renegotiate(peer
->ssl
);
807 if (test_ctx
->extra
.client
.reneg_ciphers
!= NULL
) {
808 if (!SSL_set_cipher_list(peer
->ssl
,
809 test_ctx
->extra
.client
.reneg_ciphers
)) {
810 peer
->status
= PEER_ERROR
;
813 ret
= SSL_renegotiate(peer
->ssl
);
815 ret
= SSL_renegotiate_abbreviated(peer
->ssl
);
819 peer
->status
= PEER_ERROR
;
822 do_handshake_step(peer
);
824 * If status is PEER_RETRY it means we're waiting on the peer to
825 * continue the handshake. As far as setting up the renegotiation is
826 * concerned that is a success. The next step will continue the
827 * handshake to its conclusion.
829 * If status is PEER_SUCCESS then we are the server and we have
830 * successfully sent the HelloRequest. We need to continue to wait
831 * until the handshake arrives from the client.
833 if (peer
->status
== PEER_RETRY
)
834 peer
->status
= PEER_SUCCESS
;
835 else if (peer
->status
== PEER_SUCCESS
)
836 peer
->status
= PEER_RETRY
;
839 } else if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
840 || test_ctx
->handshake_mode
841 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
) {
842 if (SSL_is_server(peer
->ssl
)
843 != (test_ctx
->handshake_mode
844 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)) {
845 peer
->status
= PEER_SUCCESS
;
849 ret
= SSL_key_update(peer
->ssl
, test_ctx
->key_update_type
);
851 peer
->status
= PEER_ERROR
;
854 do_handshake_step(peer
);
856 * This is a one step handshake. We shouldn't get anything other than
859 if (peer
->status
!= PEER_SUCCESS
)
860 peer
->status
= PEER_ERROR
;
865 * The SSL object is still expecting app data, even though it's going to
866 * get a handshake message. We try to read, and it should fail - after which
867 * we should be in a handshake
869 ret
= SSL_read(peer
->ssl
, &buf
, sizeof(buf
));
872 * We're not actually expecting data - we're expecting a reneg to
875 peer
->status
= PEER_ERROR
;
878 int error
= SSL_get_error(peer
->ssl
, ret
);
879 if (error
!= SSL_ERROR_WANT_READ
) {
880 peer
->status
= PEER_ERROR
;
883 /* If we're not in init yet then we're not done with setup yet */
884 if (!SSL_in_init(peer
->ssl
))
888 peer
->status
= PEER_SUCCESS
;
895 * Note that as of TLS 1.1,
896 * failure to properly close a connection no longer requires that a
897 * session not be resumed. This is a change from TLS 1.0 to conform
898 * with widespread implementation practice.
901 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
902 * (b) We test lower versions, too.
903 * So we just implement shutdown. We do a full bidirectional shutdown so that we
904 * can compare sent and received close_notify alerts and get some test coverage
905 * for SSL_shutdown as a bonus.
907 static void do_shutdown_step(PEER
*peer
)
911 TEST_check(peer
->status
== PEER_RETRY
);
912 ret
= SSL_shutdown(peer
->ssl
);
915 peer
->status
= PEER_SUCCESS
;
916 } else if (ret
< 0) { /* On 0, we retry. */
917 int error
= SSL_get_error(peer
->ssl
, ret
);
919 if (error
!= SSL_ERROR_WANT_READ
&& error
!= SSL_ERROR_WANT_WRITE
)
920 peer
->status
= PEER_ERROR
;
926 RENEG_APPLICATION_DATA
,
934 static connect_phase_t
next_phase(const SSL_TEST_CTX
*test_ctx
,
935 connect_phase_t phase
)
939 if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
940 || test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
941 || test_ctx
->handshake_mode
942 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
943 || test_ctx
->handshake_mode
944 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)
945 return RENEG_APPLICATION_DATA
;
946 return APPLICATION_DATA
;
947 case RENEG_APPLICATION_DATA
:
950 if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
951 || test_ctx
->handshake_mode
952 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
)
953 return APPLICATION_DATA
;
954 return RENEG_HANDSHAKE
;
955 case RENEG_HANDSHAKE
:
956 return APPLICATION_DATA
;
957 case APPLICATION_DATA
:
960 return CONNECTION_DONE
;
961 case CONNECTION_DONE
:
968 static void do_connect_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
,
969 connect_phase_t phase
)
973 do_handshake_step(peer
);
975 case RENEG_APPLICATION_DATA
:
976 do_app_data_step(peer
);
979 do_reneg_setup_step(test_ctx
, peer
);
981 case RENEG_HANDSHAKE
:
982 do_handshake_step(peer
);
984 case APPLICATION_DATA
:
985 do_app_data_step(peer
);
988 do_shutdown_step(peer
);
990 case CONNECTION_DONE
:
997 /* Both parties succeeded. */
999 /* Client errored. */
1001 /* Server errored. */
1003 /* Peers are in inconsistent state. */
1005 /* One or both peers not done. */
1007 } handshake_status_t
;
1010 * Determine the handshake outcome.
1011 * last_status: the status of the peer to have acted last.
1012 * previous_status: the status of the peer that didn't act last.
1013 * client_spoke_last: 1 if the client went last.
1015 static handshake_status_t
handshake_status(peer_status_t last_status
,
1016 peer_status_t previous_status
,
1017 int client_spoke_last
)
1019 switch (last_status
) {
1021 /* Shouldn't ever happen */
1022 return INTERNAL_ERROR
;
1025 switch (previous_status
) {
1027 /* Both succeeded. */
1028 return HANDSHAKE_SUCCESS
;
1031 /* Let the first peer finish. */
1032 return HANDSHAKE_RETRY
;
1035 * Second peer succeeded despite the fact that the first peer
1036 * already errored. This shouldn't happen.
1038 return INTERNAL_ERROR
;
1042 return HANDSHAKE_RETRY
;
1045 switch (previous_status
) {
1047 /* The client failed immediately before sending the ClientHello */
1048 return client_spoke_last
? CLIENT_ERROR
: INTERNAL_ERROR
;
1051 * First peer succeeded but second peer errored.
1052 * TODO(emilia): we should be able to continue here (with some
1053 * application data?) to ensure the first peer receives the
1054 * alert / close_notify.
1055 * (No tests currently exercise this branch.)
1057 return client_spoke_last
? CLIENT_ERROR
: SERVER_ERROR
;
1059 /* We errored; let the peer finish. */
1060 return HANDSHAKE_RETRY
;
1062 /* Both peers errored. Return the one that errored first. */
1063 return client_spoke_last
? SERVER_ERROR
: CLIENT_ERROR
;
1066 /* Control should never reach here. */
1067 return INTERNAL_ERROR
;
1070 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
1071 static char *dup_str(const unsigned char *in
, size_t len
)
1078 /* Assert that the string does not contain NUL-bytes. */
1079 TEST_check(OPENSSL_strnlen((const char*)(in
), len
) == len
);
1080 ret
= OPENSSL_strndup((const char*)(in
), len
);
1081 TEST_check(ret
!= NULL
);
1085 static int pkey_type(EVP_PKEY
*pkey
)
1087 int nid
= EVP_PKEY_id(pkey
);
1089 #ifndef OPENSSL_NO_EC
1090 if (nid
== EVP_PKEY_EC
) {
1091 const EC_KEY
*ec
= EVP_PKEY_get0_EC_KEY(pkey
);
1092 return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
1098 static int peer_pkey_type(SSL
*s
)
1100 X509
*x
= SSL_get_peer_certificate(s
);
1103 int nid
= pkey_type(X509_get0_pubkey(x
));
1111 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1112 static int set_sock_as_sctp(int sock
)
1115 * For SCTP we have to set various options on the socket prior to
1116 * connecting. This is done automatically by BIO_new_dgram_sctp().
1117 * We don't actually need the created BIO though so we free it again
1120 BIO
*tmpbio
= BIO_new_dgram_sctp(sock
, BIO_NOCLOSE
);
1129 static int create_sctp_socks(int *ssock
, int *csock
)
1131 BIO_ADDRINFO
*res
= NULL
;
1132 const BIO_ADDRINFO
*ai
= NULL
;
1133 int lsock
= INVALID_SOCKET
, asock
= INVALID_SOCKET
;
1134 int consock
= INVALID_SOCKET
;
1138 if (!BIO_sock_init())
1142 * Port is 4463. It could be anything. It will fail if it's already being
1143 * used for some other SCTP service. It seems unlikely though so we don't
1144 * worry about it here.
1146 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_SERVER
, family
, SOCK_STREAM
,
1147 IPPROTO_SCTP
, &res
))
1150 for (ai
= res
; ai
!= NULL
; ai
= BIO_ADDRINFO_next(ai
)) {
1151 family
= BIO_ADDRINFO_family(ai
);
1152 lsock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1153 if (lsock
== INVALID_SOCKET
) {
1154 /* Maybe the kernel doesn't support the socket family, even if
1155 * BIO_lookup() added it in the returned result...
1160 if (!set_sock_as_sctp(lsock
)
1161 || !BIO_listen(lsock
, BIO_ADDRINFO_address(ai
),
1162 BIO_SOCK_REUSEADDR
)) {
1163 BIO_closesocket(lsock
);
1164 lsock
= INVALID_SOCKET
;
1168 /* Success, don't try any more addresses */
1172 if (lsock
== INVALID_SOCKET
)
1175 BIO_ADDRINFO_free(res
);
1178 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_CLIENT
, family
, SOCK_STREAM
,
1179 IPPROTO_SCTP
, &res
))
1182 consock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1183 if (consock
== INVALID_SOCKET
)
1186 if (!set_sock_as_sctp(consock
)
1187 || !BIO_connect(consock
, BIO_ADDRINFO_address(res
), 0)
1188 || !BIO_socket_nbio(consock
, 1))
1191 asock
= BIO_accept_ex(lsock
, NULL
, BIO_SOCK_NONBLOCK
);
1192 if (asock
== INVALID_SOCKET
)
1197 consock
= asock
= INVALID_SOCKET
;
1201 BIO_ADDRINFO_free(res
);
1202 if (consock
!= INVALID_SOCKET
)
1203 BIO_closesocket(consock
);
1204 if (lsock
!= INVALID_SOCKET
)
1205 BIO_closesocket(lsock
);
1206 if (asock
!= INVALID_SOCKET
)
1207 BIO_closesocket(asock
);
1213 * Note that |extra| points to the correct client/server configuration
1214 * within |test_ctx|. When configuring the handshake, general mode settings
1215 * are taken from |test_ctx|, and client/server-specific settings should be
1216 * taken from |extra|.
1218 * The configuration code should never reach into |test_ctx->extra| or
1219 * |test_ctx->resume_extra| directly.
1221 * (We could refactor test mode settings into a substructure. This would result
1222 * in cleaner argument passing but would complicate the test configuration
1225 static HANDSHAKE_RESULT
*do_handshake_internal(
1226 SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
, SSL_CTX
*client_ctx
,
1227 const SSL_TEST_CTX
*test_ctx
, const SSL_TEST_EXTRA_CONF
*extra
,
1228 SSL_SESSION
*session_in
, SSL_SESSION
**session_out
)
1230 PEER server
, client
;
1231 BIO
*client_to_server
= NULL
, *server_to_client
= NULL
;
1232 HANDSHAKE_EX_DATA server_ex_data
, client_ex_data
;
1233 CTX_DATA client_ctx_data
, server_ctx_data
, server2_ctx_data
;
1234 HANDSHAKE_RESULT
*ret
= HANDSHAKE_RESULT_new();
1235 int client_turn
= 1, client_turn_count
= 0;
1236 connect_phase_t phase
= HANDSHAKE
;
1237 handshake_status_t status
= HANDSHAKE_RETRY
;
1238 const unsigned char* tick
= NULL
;
1239 size_t tick_len
= 0;
1240 SSL_SESSION
* sess
= NULL
;
1241 const unsigned char *proto
= NULL
;
1242 /* API dictates unsigned int rather than size_t. */
1243 unsigned int proto_len
= 0;
1245 const STACK_OF(X509_NAME
) *names
;
1248 memset(&server_ctx_data
, 0, sizeof(server_ctx_data
));
1249 memset(&server2_ctx_data
, 0, sizeof(server2_ctx_data
));
1250 memset(&client_ctx_data
, 0, sizeof(client_ctx_data
));
1251 memset(&server
, 0, sizeof(server
));
1252 memset(&client
, 0, sizeof(client
));
1254 configure_handshake_ctx(server_ctx
, server2_ctx
, client_ctx
, test_ctx
, extra
,
1255 &server_ctx_data
, &server2_ctx_data
, &client_ctx_data
);
1257 /* Setup SSL and buffers; additional configuration happens below. */
1258 create_peer(&server
, server_ctx
);
1259 create_peer(&client
, client_ctx
);
1261 server
.bytes_to_write
= client
.bytes_to_read
= test_ctx
->app_data_size
;
1262 client
.bytes_to_write
= server
.bytes_to_read
= test_ctx
->app_data_size
;
1264 configure_handshake_ssl(server
.ssl
, client
.ssl
, extra
);
1265 if (session_in
!= NULL
) {
1266 /* In case we're testing resumption without tickets. */
1267 TEST_check(SSL_CTX_add_session(server_ctx
, session_in
));
1268 TEST_check(SSL_set_session(client
.ssl
, session_in
));
1271 memset(&server_ex_data
, 0, sizeof(server_ex_data
));
1272 memset(&client_ex_data
, 0, sizeof(client_ex_data
));
1274 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1276 if (test_ctx
->use_sctp
) {
1277 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1280 if (create_sctp_socks(&ssock
, &csock
)) {
1281 client_to_server
= BIO_new_dgram_sctp(csock
, BIO_CLOSE
);
1282 server_to_client
= BIO_new_dgram_sctp(ssock
, BIO_CLOSE
);
1286 client_to_server
= BIO_new(BIO_s_mem());
1287 server_to_client
= BIO_new(BIO_s_mem());
1290 TEST_check(client_to_server
!= NULL
);
1291 TEST_check(server_to_client
!= NULL
);
1293 /* Non-blocking bio. */
1294 BIO_set_nbio(client_to_server
, 1);
1295 BIO_set_nbio(server_to_client
, 1);
1297 SSL_set_connect_state(client
.ssl
);
1298 SSL_set_accept_state(server
.ssl
);
1300 /* The bios are now owned by the SSL object. */
1301 if (test_ctx
->use_sctp
) {
1302 SSL_set_bio(client
.ssl
, client_to_server
, client_to_server
);
1303 SSL_set_bio(server
.ssl
, server_to_client
, server_to_client
);
1305 SSL_set_bio(client
.ssl
, server_to_client
, client_to_server
);
1306 TEST_check(BIO_up_ref(server_to_client
) > 0);
1307 TEST_check(BIO_up_ref(client_to_server
) > 0);
1308 SSL_set_bio(server
.ssl
, client_to_server
, server_to_client
);
1311 ex_data_idx
= SSL_get_ex_new_index(0, "ex data", NULL
, NULL
, NULL
);
1312 TEST_check(ex_data_idx
>= 0);
1314 TEST_check(SSL_set_ex_data(server
.ssl
, ex_data_idx
, &server_ex_data
) == 1);
1315 TEST_check(SSL_set_ex_data(client
.ssl
, ex_data_idx
, &client_ex_data
) == 1);
1317 SSL_set_info_callback(server
.ssl
, &info_cb
);
1318 SSL_set_info_callback(client
.ssl
, &info_cb
);
1320 client
.status
= PEER_RETRY
;
1321 server
.status
= PEER_WAITING
;
1326 * Half-duplex handshake loop.
1327 * Client and server speak to each other synchronously in the same process.
1328 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1329 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1330 * The handshake succeeds once both peers have succeeded. If one peer
1331 * errors out, we also let the other peer retry (and presumably fail).
1335 do_connect_step(test_ctx
, &client
, phase
);
1336 status
= handshake_status(client
.status
, server
.status
,
1337 1 /* client went last */);
1338 if (server
.status
== PEER_WAITING
)
1339 server
.status
= PEER_RETRY
;
1341 do_connect_step(test_ctx
, &server
, phase
);
1342 status
= handshake_status(server
.status
, client
.status
,
1343 0 /* server went last */);
1347 case HANDSHAKE_SUCCESS
:
1348 client_turn_count
= 0;
1349 phase
= next_phase(test_ctx
, phase
);
1350 if (phase
== CONNECTION_DONE
) {
1351 ret
->result
= SSL_TEST_SUCCESS
;
1354 client
.status
= server
.status
= PEER_RETRY
;
1356 * For now, client starts each phase. Since each phase is
1357 * started separately, we can later control this more
1358 * precisely, for example, to test client-initiated and
1359 * server-initiated shutdown.
1365 ret
->result
= SSL_TEST_CLIENT_FAIL
;
1368 ret
->result
= SSL_TEST_SERVER_FAIL
;
1370 case INTERNAL_ERROR
:
1371 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1373 case HANDSHAKE_RETRY
:
1374 if (test_ctx
->use_sctp
) {
1375 if (time(NULL
) - start
> 3) {
1377 * We've waited for too long. Give up.
1379 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1383 * With "real" sockets we only swap to processing the peer
1384 * if they are expecting to retry. Otherwise we just retry the
1385 * same endpoint again.
1387 if ((client_turn
&& server
.status
== PEER_RETRY
)
1388 || (!client_turn
&& client
.status
== PEER_RETRY
))
1391 if (client_turn_count
++ >= 2000) {
1393 * At this point, there's been so many PEER_RETRY in a row
1394 * that it's likely both sides are stuck waiting for a read.
1395 * It's time to give up.
1397 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1408 ret
->server_alert_sent
= server_ex_data
.alert_sent
;
1409 ret
->server_num_fatal_alerts_sent
= server_ex_data
.num_fatal_alerts_sent
;
1410 ret
->server_alert_received
= client_ex_data
.alert_received
;
1411 ret
->client_alert_sent
= client_ex_data
.alert_sent
;
1412 ret
->client_num_fatal_alerts_sent
= client_ex_data
.num_fatal_alerts_sent
;
1413 ret
->client_alert_received
= server_ex_data
.alert_received
;
1414 ret
->server_protocol
= SSL_version(server
.ssl
);
1415 ret
->client_protocol
= SSL_version(client
.ssl
);
1416 ret
->servername
= server_ex_data
.servername
;
1417 if ((sess
= SSL_get0_session(client
.ssl
)) != NULL
)
1418 SSL_SESSION_get0_ticket(sess
, &tick
, &tick_len
);
1419 if (tick
== NULL
|| tick_len
== 0)
1420 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_NO
;
1422 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_YES
;
1423 ret
->compression
= (SSL_get_current_compression(client
.ssl
) == NULL
)
1424 ? SSL_TEST_COMPRESSION_NO
1425 : SSL_TEST_COMPRESSION_YES
;
1426 ret
->session_ticket_do_not_call
= server_ex_data
.session_ticket_do_not_call
;
1428 #ifndef OPENSSL_NO_NEXTPROTONEG
1429 SSL_get0_next_proto_negotiated(client
.ssl
, &proto
, &proto_len
);
1430 ret
->client_npn_negotiated
= dup_str(proto
, proto_len
);
1432 SSL_get0_next_proto_negotiated(server
.ssl
, &proto
, &proto_len
);
1433 ret
->server_npn_negotiated
= dup_str(proto
, proto_len
);
1436 SSL_get0_alpn_selected(client
.ssl
, &proto
, &proto_len
);
1437 ret
->client_alpn_negotiated
= dup_str(proto
, proto_len
);
1439 SSL_get0_alpn_selected(server
.ssl
, &proto
, &proto_len
);
1440 ret
->server_alpn_negotiated
= dup_str(proto
, proto_len
);
1442 ret
->client_resumed
= SSL_session_reused(client
.ssl
);
1443 ret
->server_resumed
= SSL_session_reused(server
.ssl
);
1445 if (session_out
!= NULL
)
1446 *session_out
= SSL_get1_session(client
.ssl
);
1448 if (SSL_get_server_tmp_key(client
.ssl
, &tmp_key
)) {
1449 ret
->tmp_key_type
= pkey_type(tmp_key
);
1450 EVP_PKEY_free(tmp_key
);
1453 SSL_get_peer_signature_nid(client
.ssl
, &ret
->server_sign_hash
);
1454 SSL_get_peer_signature_nid(server
.ssl
, &ret
->client_sign_hash
);
1456 SSL_get_peer_signature_type_nid(client
.ssl
, &ret
->server_sign_type
);
1457 SSL_get_peer_signature_type_nid(server
.ssl
, &ret
->client_sign_type
);
1459 names
= SSL_get0_peer_CA_list(client
.ssl
);
1461 ret
->client_ca_names
= NULL
;
1463 ret
->client_ca_names
= SSL_dup_CA_list(names
);
1465 names
= SSL_get0_peer_CA_list(server
.ssl
);
1467 ret
->server_ca_names
= NULL
;
1469 ret
->server_ca_names
= SSL_dup_CA_list(names
);
1471 ret
->server_cert_type
= peer_pkey_type(client
.ssl
);
1472 ret
->client_cert_type
= peer_pkey_type(server
.ssl
);
1474 ctx_data_free_data(&server_ctx_data
);
1475 ctx_data_free_data(&server2_ctx_data
);
1476 ctx_data_free_data(&client_ctx_data
);
1478 peer_free_data(&server
);
1479 peer_free_data(&client
);
1483 HANDSHAKE_RESULT
*do_handshake(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
1484 SSL_CTX
*client_ctx
, SSL_CTX
*resume_server_ctx
,
1485 SSL_CTX
*resume_client_ctx
,
1486 const SSL_TEST_CTX
*test_ctx
)
1488 HANDSHAKE_RESULT
*result
;
1489 SSL_SESSION
*session
= NULL
;
1491 result
= do_handshake_internal(server_ctx
, server2_ctx
, client_ctx
,
1492 test_ctx
, &test_ctx
->extra
,
1494 if (test_ctx
->handshake_mode
!= SSL_TEST_HANDSHAKE_RESUME
)
1497 if (result
->result
!= SSL_TEST_SUCCESS
) {
1498 result
->result
= SSL_TEST_FIRST_HANDSHAKE_FAILED
;
1502 HANDSHAKE_RESULT_free(result
);
1503 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1504 result
= do_handshake_internal(resume_server_ctx
, NULL
, resume_client_ctx
,
1505 test_ctx
, &test_ctx
->resume_extra
,
1508 SSL_SESSION_free(session
);