2 * Copyright 2016-2017 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 #include "internal/nelem.h"
20 #include "handshake_helper.h"
23 HANDSHAKE_RESULT
*HANDSHAKE_RESULT_new()
25 HANDSHAKE_RESULT
*ret
;
27 TEST_ptr(ret
= OPENSSL_zalloc(sizeof(*ret
)));
31 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT
*result
)
35 OPENSSL_free(result
->client_npn_negotiated
);
36 OPENSSL_free(result
->server_npn_negotiated
);
37 OPENSSL_free(result
->client_alpn_negotiated
);
38 OPENSSL_free(result
->server_alpn_negotiated
);
39 sk_X509_NAME_pop_free(result
->server_ca_names
, X509_NAME_free
);
40 sk_X509_NAME_pop_free(result
->client_ca_names
, X509_NAME_free
);
45 * Since there appears to be no way to extract the sent/received alert
46 * from the SSL object directly, we use the info callback and stash
47 * the result in ex_data.
49 typedef struct handshake_ex_data_st
{
51 int num_fatal_alerts_sent
;
53 int session_ticket_do_not_call
;
54 ssl_servername_t servername
;
57 typedef struct ctx_data_st
{
58 unsigned char *npn_protocols
;
59 size_t npn_protocols_len
;
60 unsigned char *alpn_protocols
;
61 size_t alpn_protocols_len
;
66 /* |ctx_data| itself is stack-allocated. */
67 static void ctx_data_free_data(CTX_DATA
*ctx_data
)
69 OPENSSL_free(ctx_data
->npn_protocols
);
70 ctx_data
->npn_protocols
= NULL
;
71 OPENSSL_free(ctx_data
->alpn_protocols
);
72 ctx_data
->alpn_protocols
= NULL
;
73 OPENSSL_free(ctx_data
->srp_user
);
74 ctx_data
->srp_user
= NULL
;
75 OPENSSL_free(ctx_data
->srp_password
);
76 ctx_data
->srp_password
= NULL
;
79 static int ex_data_idx
;
81 static void info_cb(const SSL
*s
, int where
, int ret
)
83 if (where
& SSL_CB_ALERT
) {
84 HANDSHAKE_EX_DATA
*ex_data
=
85 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
86 if (where
& SSL_CB_WRITE
) {
87 ex_data
->alert_sent
= ret
;
88 if (strcmp(SSL_alert_type_string(ret
), "F") == 0
89 || strcmp(SSL_alert_desc_string(ret
), "CN") == 0)
90 ex_data
->num_fatal_alerts_sent
++;
92 ex_data
->alert_received
= ret
;
97 /* Select the appropriate server CTX.
98 * Returns SSL_TLSEXT_ERR_OK if a match was found.
99 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
100 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
101 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
103 static int select_server_ctx(SSL
*s
, void *arg
, int ignore
)
105 const char *servername
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
106 HANDSHAKE_EX_DATA
*ex_data
=
107 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
109 if (servername
== NULL
) {
110 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
111 return SSL_TLSEXT_ERR_NOACK
;
114 if (strcmp(servername
, "server2") == 0) {
115 SSL_CTX
*new_ctx
= (SSL_CTX
*)arg
;
116 SSL_set_SSL_CTX(s
, new_ctx
);
118 * Copy over all the SSL_CTX options - reasonable behavior
119 * allows testing of cases where the options between two
120 * contexts differ/conflict
122 SSL_clear_options(s
, 0xFFFFFFFFL
);
123 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
125 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
126 return SSL_TLSEXT_ERR_OK
;
127 } else if (strcmp(servername
, "server1") == 0) {
128 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
129 return SSL_TLSEXT_ERR_OK
;
131 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
132 return SSL_TLSEXT_ERR_NOACK
;
134 /* Don't set an explicit alert, to test library defaults. */
135 return SSL_TLSEXT_ERR_ALERT_FATAL
;
139 static int early_select_server_ctx(SSL
*s
, void *arg
, int ignore
)
141 const char *servername
;
142 const unsigned char *p
;
143 size_t len
, remaining
;
144 HANDSHAKE_EX_DATA
*ex_data
=
145 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
148 * The server_name extension was given too much extensibility when it
149 * was written, so parsing the normal case is a bit complex.
151 if (!SSL_early_get0_ext(s
, TLSEXT_TYPE_server_name
, &p
, &remaining
) ||
154 /* Extract the length of the supplied list of names. */
157 if (len
+ 2 != remaining
)
161 * The list in practice only has a single element, so we only consider
164 if (remaining
== 0 || *p
++ != TLSEXT_NAMETYPE_host_name
)
167 /* Now we can finally pull out the byte array with the actual hostname. */
172 if (len
+ 2 > remaining
)
175 servername
= (const char *)p
;
177 if (len
== strlen("server2") && strncmp(servername
, "server2", len
) == 0) {
178 SSL_CTX
*new_ctx
= arg
;
179 SSL_set_SSL_CTX(s
, new_ctx
);
181 * Copy over all the SSL_CTX options - reasonable behavior
182 * allows testing of cases where the options between two
183 * contexts differ/conflict
185 SSL_clear_options(s
, 0xFFFFFFFFL
);
186 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
188 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
190 } else if (len
== strlen("server1") &&
191 strncmp(servername
, "server1", len
) == 0) {
192 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
195 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
202 * If the server understood the ClientHello extension but
203 * does not recognize the server name, the server SHOULD take one of two
204 * actions: either abort the handshake by sending a fatal-level
205 * unrecognized_name(112) alert or continue the handshake.
207 * This behaviour is up to the application to configure; we test both
208 * configurations to ensure the state machine propagates the result
211 static int servername_ignore_cb(SSL
*s
, int *ad
, void *arg
)
213 return select_server_ctx(s
, arg
, 1);
216 static int servername_reject_cb(SSL
*s
, int *ad
, void *arg
)
218 return select_server_ctx(s
, arg
, 0);
221 static int early_ignore_cb(SSL
*s
, int *al
, void *arg
)
223 if (!early_select_server_ctx(s
, arg
, 1)) {
224 *al
= SSL_AD_UNRECOGNIZED_NAME
;
230 static int early_reject_cb(SSL
*s
, int *al
, void *arg
)
232 if (!early_select_server_ctx(s
, arg
, 0)) {
233 *al
= SSL_AD_UNRECOGNIZED_NAME
;
239 static int early_nov12_cb(SSL
*s
, int *al
, void *arg
)
243 const unsigned char *p
;
245 v
= SSL_early_get0_legacy_version(s
);
246 if (v
> TLS1_2_VERSION
|| v
< SSL3_VERSION
) {
247 *al
= SSL_AD_PROTOCOL_VERSION
;
250 (void)SSL_early_get0_session_id(s
, &p
);
252 SSL_early_get0_random(s
, &p
) == 0 ||
253 SSL_early_get0_ciphers(s
, &p
) == 0 ||
254 SSL_early_get0_compression_methods(s
, &p
) == 0) {
255 *al
= SSL_AD_INTERNAL_ERROR
;
258 ret
= early_select_server_ctx(s
, arg
, 0);
259 SSL_set_max_proto_version(s
, TLS1_1_VERSION
);
261 *al
= SSL_AD_UNRECOGNIZED_NAME
;
265 static unsigned char dummy_ocsp_resp_good_val
= 0xff;
266 static unsigned char dummy_ocsp_resp_bad_val
= 0xfe;
268 static int server_ocsp_cb(SSL
*s
, void *arg
)
272 resp
= OPENSSL_malloc(1);
274 return SSL_TLSEXT_ERR_ALERT_FATAL
;
276 * For the purposes of testing we just send back a dummy OCSP response
278 *resp
= *(unsigned char *)arg
;
279 if (!SSL_set_tlsext_status_ocsp_resp(s
, resp
, 1))
280 return SSL_TLSEXT_ERR_ALERT_FATAL
;
282 return SSL_TLSEXT_ERR_OK
;
285 static int client_ocsp_cb(SSL
*s
, void *arg
)
287 const unsigned char *resp
;
290 len
= SSL_get_tlsext_status_ocsp_resp(s
, &resp
);
291 if (len
!= 1 || *resp
!= dummy_ocsp_resp_good_val
)
297 static int verify_reject_cb(X509_STORE_CTX
*ctx
, void *arg
) {
298 X509_STORE_CTX_set_error(ctx
, X509_V_ERR_APPLICATION_VERIFICATION
);
302 static int verify_accept_cb(X509_STORE_CTX
*ctx
, void *arg
) {
306 static int broken_session_ticket_cb(SSL
*s
, unsigned char *key_name
, unsigned char *iv
,
307 EVP_CIPHER_CTX
*ctx
, HMAC_CTX
*hctx
, int enc
)
312 static int do_not_call_session_ticket_cb(SSL
*s
, unsigned char *key_name
,
315 HMAC_CTX
*hctx
, int enc
)
317 HANDSHAKE_EX_DATA
*ex_data
=
318 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
319 ex_data
->session_ticket_do_not_call
= 1;
323 /* Parse the comma-separated list into TLS format. */
324 static int parse_protos(const char *protos
, unsigned char **out
, size_t *outlen
)
326 size_t len
, i
, prefix
;
328 len
= strlen(protos
);
330 /* Should never have reuse. */
331 if (!TEST_ptr_null(*out
)
332 /* Test values are small, so we omit length limit checks. */
333 || !TEST_ptr(*out
= OPENSSL_malloc(len
+ 1)))
338 * foo => '3', 'f', 'o', 'o'
339 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
341 memcpy(*out
+ 1, protos
, len
);
346 if ((*out
)[i
] == ',') {
347 if (!TEST_int_gt(i
- 1, prefix
))
349 (*out
)[prefix
] = i
- 1 - prefix
;
354 if (!TEST_int_gt(len
, prefix
))
356 (*out
)[prefix
] = len
- prefix
;
365 #ifndef OPENSSL_NO_NEXTPROTONEG
367 * The client SHOULD select the first protocol advertised by the server that it
368 * also supports. In the event that the client doesn't support any of server's
369 * protocols, or the server doesn't advertise any, it SHOULD select the first
370 * protocol that it supports.
372 static int client_npn_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
373 const unsigned char *in
, unsigned int inlen
,
376 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
379 ret
= SSL_select_next_proto(out
, outlen
, in
, inlen
,
380 ctx_data
->npn_protocols
,
381 ctx_data
->npn_protocols_len
);
382 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
383 return TEST_true(ret
== OPENSSL_NPN_NEGOTIATED
|| ret
== OPENSSL_NPN_NO_OVERLAP
)
384 ? SSL_TLSEXT_ERR_OK
: SSL_TLSEXT_ERR_ALERT_FATAL
;
387 static int server_npn_cb(SSL
*s
, const unsigned char **data
,
388 unsigned int *len
, void *arg
)
390 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
391 *data
= ctx_data
->npn_protocols
;
392 *len
= ctx_data
->npn_protocols_len
;
393 return SSL_TLSEXT_ERR_OK
;
398 * The server SHOULD select the most highly preferred protocol that it supports
399 * and that is also advertised by the client. In the event that the server
400 * supports no protocols that the client advertises, then the server SHALL
401 * respond with a fatal "no_application_protocol" alert.
403 static int server_alpn_cb(SSL
*s
, const unsigned char **out
,
404 unsigned char *outlen
, const unsigned char *in
,
405 unsigned int inlen
, void *arg
)
407 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
410 /* SSL_select_next_proto isn't const-correct... */
411 unsigned char *tmp_out
;
414 * The result points either to |in| or to |ctx_data->alpn_protocols|.
415 * The callback is allowed to point to |in| or to a long-lived buffer,
416 * so we can return directly without storing a copy.
418 ret
= SSL_select_next_proto(&tmp_out
, outlen
,
419 ctx_data
->alpn_protocols
,
420 ctx_data
->alpn_protocols_len
, in
, inlen
);
423 /* Unlike NPN, we don't tolerate a mismatch. */
424 return ret
== OPENSSL_NPN_NEGOTIATED
? SSL_TLSEXT_ERR_OK
425 : SSL_TLSEXT_ERR_ALERT_FATAL
;
428 #ifndef OPENSSL_NO_SRP
429 static char *client_srp_cb(SSL
*s
, void *arg
)
431 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
432 return OPENSSL_strdup(ctx_data
->srp_password
);
435 static int server_srp_cb(SSL
*s
, int *ad
, void *arg
)
437 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
438 if (strcmp(ctx_data
->srp_user
, SSL_get_srp_username(s
)) != 0)
439 return SSL3_AL_FATAL
;
440 if (SSL_set_srp_server_param_pw(s
, ctx_data
->srp_user
,
441 ctx_data
->srp_password
,
442 "2048" /* known group */) < 0) {
443 *ad
= SSL_AD_INTERNAL_ERROR
;
444 return SSL3_AL_FATAL
;
446 return SSL_ERROR_NONE
;
448 #endif /* !OPENSSL_NO_SRP */
451 * Configure callbacks and other properties that can't be set directly
452 * in the server/client CONF.
454 static int configure_handshake_ctx(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
456 const SSL_TEST_CTX
*test
,
457 const SSL_TEST_EXTRA_CONF
*extra
,
458 CTX_DATA
*server_ctx_data
,
459 CTX_DATA
*server2_ctx_data
,
460 CTX_DATA
*client_ctx_data
)
462 unsigned char *ticket_keys
;
463 size_t ticket_key_len
;
465 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx
,
466 test
->max_fragment_size
), 1))
468 if (server2_ctx
!= NULL
) {
469 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx
,
470 test
->max_fragment_size
),
474 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx
,
475 test
->max_fragment_size
), 1))
478 switch (extra
->client
.verify_callback
) {
479 case SSL_TEST_VERIFY_ACCEPT_ALL
:
480 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_accept_cb
, NULL
);
482 case SSL_TEST_VERIFY_REJECT_ALL
:
483 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_reject_cb
, NULL
);
485 case SSL_TEST_VERIFY_NONE
:
490 * Link the two contexts for SNI purposes.
491 * Also do early callbacks here, as setting both early and SNI is bad.
493 switch (extra
->server
.servername_callback
) {
494 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH
:
495 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_ignore_cb
);
496 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
498 case SSL_TEST_SERVERNAME_REJECT_MISMATCH
:
499 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_reject_cb
);
500 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
502 case SSL_TEST_SERVERNAME_CB_NONE
:
504 case SSL_TEST_SERVERNAME_EARLY_IGNORE_MISMATCH
:
505 SSL_CTX_set_early_cb(server_ctx
, early_ignore_cb
, server2_ctx
);
507 case SSL_TEST_SERVERNAME_EARLY_REJECT_MISMATCH
:
508 SSL_CTX_set_early_cb(server_ctx
, early_reject_cb
, server2_ctx
);
510 case SSL_TEST_SERVERNAME_EARLY_NO_V12
:
511 SSL_CTX_set_early_cb(server_ctx
, early_nov12_cb
, server2_ctx
);
514 if (extra
->server
.cert_status
!= SSL_TEST_CERT_STATUS_NONE
) {
515 SSL_CTX_set_tlsext_status_type(client_ctx
, TLSEXT_STATUSTYPE_ocsp
);
516 SSL_CTX_set_tlsext_status_cb(client_ctx
, client_ocsp_cb
);
517 SSL_CTX_set_tlsext_status_arg(client_ctx
, NULL
);
518 SSL_CTX_set_tlsext_status_cb(server_ctx
, server_ocsp_cb
);
519 SSL_CTX_set_tlsext_status_arg(server_ctx
,
520 ((extra
->server
.cert_status
== SSL_TEST_CERT_STATUS_GOOD_RESPONSE
)
521 ? &dummy_ocsp_resp_good_val
: &dummy_ocsp_resp_bad_val
));
525 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
526 * session ticket. This ticket_key callback is assigned to the second
527 * session (assigned via SNI), and should never be invoked
529 if (server2_ctx
!= NULL
)
530 SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx
,
531 do_not_call_session_ticket_cb
);
533 if (extra
->server
.broken_session_ticket
) {
534 SSL_CTX_set_tlsext_ticket_key_cb(server_ctx
, broken_session_ticket_cb
);
536 #ifndef OPENSSL_NO_NEXTPROTONEG
537 if (extra
->server
.npn_protocols
!= NULL
) {
538 if (!TEST_true(parse_protos(extra
->server
.npn_protocols
,
539 &server_ctx_data
->npn_protocols
,
540 &server_ctx_data
->npn_protocols_len
)))
542 SSL_CTX_set_npn_advertised_cb(server_ctx
, server_npn_cb
,
545 if (extra
->server2
.npn_protocols
!= NULL
) {
546 if (!TEST_true(parse_protos(extra
->server2
.npn_protocols
,
547 &server2_ctx_data
->npn_protocols
,
548 &server2_ctx_data
->npn_protocols_len
))
549 || !TEST_ptr(server2_ctx
))
551 SSL_CTX_set_npn_advertised_cb(server2_ctx
, server_npn_cb
,
554 if (extra
->client
.npn_protocols
!= NULL
) {
555 if (!TEST_true(parse_protos(extra
->client
.npn_protocols
,
556 &client_ctx_data
->npn_protocols
,
557 &client_ctx_data
->npn_protocols_len
)))
559 SSL_CTX_set_next_proto_select_cb(client_ctx
, client_npn_cb
,
563 if (extra
->server
.alpn_protocols
!= NULL
) {
564 if (!TEST_true(parse_protos(extra
->server
.alpn_protocols
,
565 &server_ctx_data
->alpn_protocols
,
566 &server_ctx_data
->alpn_protocols_len
)))
568 SSL_CTX_set_alpn_select_cb(server_ctx
, server_alpn_cb
, server_ctx_data
);
570 if (extra
->server2
.alpn_protocols
!= NULL
) {
571 if (!TEST_ptr(server2_ctx
)
572 || !TEST_true(parse_protos(extra
->server2
.alpn_protocols
,
573 &server2_ctx_data
->alpn_protocols
,
574 &server2_ctx_data
->alpn_protocols_len
577 SSL_CTX_set_alpn_select_cb(server2_ctx
, server_alpn_cb
,
580 if (extra
->client
.alpn_protocols
!= NULL
) {
581 unsigned char *alpn_protos
= NULL
;
582 size_t alpn_protos_len
;
583 if (!TEST_true(parse_protos(extra
->client
.alpn_protocols
,
584 &alpn_protos
, &alpn_protos_len
))
585 /* Reversed return value convention... */
586 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx
, alpn_protos
,
587 alpn_protos_len
), 0))
589 OPENSSL_free(alpn_protos
);
593 * Use fixed session ticket keys so that we can decrypt a ticket created with
594 * one CTX in another CTX. Don't address server2 for the moment.
596 ticket_key_len
= SSL_CTX_set_tlsext_ticket_keys(server_ctx
, NULL
, 0);
597 if (!TEST_ptr(ticket_keys
= OPENSSL_zalloc(ticket_key_len
))
598 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx
,
600 ticket_key_len
), 1)) {
601 OPENSSL_free(ticket_keys
);
604 OPENSSL_free(ticket_keys
);
606 /* The default log list includes EC keys, so CT can't work without EC. */
607 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
608 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx
)))
610 switch (extra
->client
.ct_validation
) {
611 case SSL_TEST_CT_VALIDATION_PERMISSIVE
:
612 if (!TEST_true(SSL_CTX_enable_ct(client_ctx
,
613 SSL_CT_VALIDATION_PERMISSIVE
)))
616 case SSL_TEST_CT_VALIDATION_STRICT
:
617 if (!TEST_true(SSL_CTX_enable_ct(client_ctx
, SSL_CT_VALIDATION_STRICT
)))
620 case SSL_TEST_CT_VALIDATION_NONE
:
624 #ifndef OPENSSL_NO_SRP
625 if (extra
->server
.srp_user
!= NULL
) {
626 SSL_CTX_set_srp_username_callback(server_ctx
, server_srp_cb
);
627 server_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server
.srp_user
);
628 server_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server
.srp_password
);
629 SSL_CTX_set_srp_cb_arg(server_ctx
, server_ctx_data
);
631 if (extra
->server2
.srp_user
!= NULL
) {
632 if (!TEST_ptr(server2_ctx
))
634 SSL_CTX_set_srp_username_callback(server2_ctx
, server_srp_cb
);
635 server2_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server2
.srp_user
);
636 server2_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server2
.srp_password
);
637 SSL_CTX_set_srp_cb_arg(server2_ctx
, server2_ctx_data
);
639 if (extra
->client
.srp_user
!= NULL
) {
640 if (!TEST_true(SSL_CTX_set_srp_username(client_ctx
,
641 extra
->client
.srp_user
)))
643 SSL_CTX_set_srp_client_pwd_callback(client_ctx
, client_srp_cb
);
644 client_ctx_data
->srp_password
= OPENSSL_strdup(extra
->client
.srp_password
);
645 SSL_CTX_set_srp_cb_arg(client_ctx
, client_ctx_data
);
647 #endif /* !OPENSSL_NO_SRP */
653 /* Configure per-SSL callbacks and other properties. */
654 static void configure_handshake_ssl(SSL
*server
, SSL
*client
,
655 const SSL_TEST_EXTRA_CONF
*extra
)
657 if (extra
->client
.servername
!= SSL_TEST_SERVERNAME_NONE
)
658 SSL_set_tlsext_host_name(client
,
659 ssl_servername_name(extra
->client
.servername
));
662 /* The status for each connection phase. */
671 /* An SSL object and associated read-write buffers. */
672 typedef struct peer_st
{
674 /* Buffer lengths are int to match the SSL read/write API. */
675 unsigned char *write_buf
;
677 unsigned char *read_buf
;
681 peer_status_t status
;
684 static int create_peer(PEER
*peer
, SSL_CTX
*ctx
)
686 static const int peer_buffer_size
= 64 * 1024;
688 unsigned char *read_buf
= NULL
, *write_buf
= NULL
;
690 if (!TEST_ptr(ssl
= SSL_new(ctx
))
691 || !TEST_ptr(write_buf
= OPENSSL_zalloc(peer_buffer_size
))
692 || !TEST_ptr(read_buf
= OPENSSL_zalloc(peer_buffer_size
)))
696 peer
->write_buf
= write_buf
;
697 peer
->read_buf
= read_buf
;
698 peer
->write_buf_len
= peer
->read_buf_len
= peer_buffer_size
;
702 OPENSSL_free(write_buf
);
703 OPENSSL_free(read_buf
);
707 static void peer_free_data(PEER
*peer
)
710 OPENSSL_free(peer
->write_buf
);
711 OPENSSL_free(peer
->read_buf
);
715 * Note that we could do the handshake transparently under an SSL_write,
716 * but separating the steps is more helpful for debugging test failures.
718 static void do_handshake_step(PEER
*peer
)
720 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
721 peer
->status
= PEER_TEST_FAILURE
;
723 int ret
= SSL_do_handshake(peer
->ssl
);
726 peer
->status
= PEER_SUCCESS
;
727 } else if (ret
== 0) {
728 peer
->status
= PEER_ERROR
;
730 int error
= SSL_get_error(peer
->ssl
, ret
);
731 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
732 if (error
!= SSL_ERROR_WANT_READ
)
733 peer
->status
= PEER_ERROR
;
739 * Send/receive some application data. The read-write sequence is
740 * Peer A: (R) W - first read will yield no data
747 static void do_app_data_step(PEER
*peer
)
749 int ret
= 1, write_bytes
;
751 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
752 peer
->status
= PEER_TEST_FAILURE
;
756 /* We read everything available... */
757 while (ret
> 0 && peer
->bytes_to_read
) {
758 ret
= SSL_read(peer
->ssl
, peer
->read_buf
, peer
->read_buf_len
);
760 if (!TEST_int_le(ret
, peer
->bytes_to_read
)) {
761 peer
->status
= PEER_TEST_FAILURE
;
764 peer
->bytes_to_read
-= ret
;
765 } else if (ret
== 0) {
766 peer
->status
= PEER_ERROR
;
769 int error
= SSL_get_error(peer
->ssl
, ret
);
770 if (error
!= SSL_ERROR_WANT_READ
) {
771 peer
->status
= PEER_ERROR
;
773 } /* Else continue with write. */
777 /* ... but we only write one write-buffer-full of data. */
778 write_bytes
= peer
->bytes_to_write
< peer
->write_buf_len
? peer
->bytes_to_write
:
781 ret
= SSL_write(peer
->ssl
, peer
->write_buf
, write_bytes
);
783 /* SSL_write will only succeed with a complete write. */
784 if (!TEST_int_eq(ret
, write_bytes
)) {
785 peer
->status
= PEER_TEST_FAILURE
;
788 peer
->bytes_to_write
-= ret
;
791 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
792 * but this doesn't yet occur with current app data sizes.
794 peer
->status
= PEER_ERROR
;
800 * We could simply finish when there was nothing to read, and we have
801 * nothing left to write. But keeping track of the expected number of bytes
802 * to read gives us somewhat better guarantees that all data sent is in fact
805 if (!peer
->bytes_to_write
&& !peer
->bytes_to_read
) {
806 peer
->status
= PEER_SUCCESS
;
810 static void do_reneg_setup_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
)
815 if (peer
->status
== PEER_SUCCESS
) {
817 * We are a client that succeeded this step previously, but the server
818 * wanted to retry. Probably there is a no_renegotiation warning alert
819 * waiting for us. Attempt to continue the handshake.
821 peer
->status
= PEER_RETRY
;
822 do_handshake_step(peer
);
826 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)
827 || !TEST_true(test_ctx
->handshake_mode
828 == SSL_TEST_HANDSHAKE_RENEG_SERVER
829 || test_ctx
->handshake_mode
830 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
831 || test_ctx
->handshake_mode
832 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
833 || test_ctx
->handshake_mode
834 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
)) {
835 peer
->status
= PEER_TEST_FAILURE
;
839 /* Reset the count of the amount of app data we need to read/write */
840 peer
->bytes_to_write
= peer
->bytes_to_read
= test_ctx
->app_data_size
;
842 /* Check if we are the peer that is going to initiate */
843 if ((test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
844 && SSL_is_server(peer
->ssl
))
845 || (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
846 && !SSL_is_server(peer
->ssl
))) {
848 * If we already asked for a renegotiation then fall through to the
851 if (!SSL_renegotiate_pending(peer
->ssl
)) {
853 * If we are the client we will always attempt to resume the
854 * session. The server may or may not resume dependent on the
855 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
857 if (SSL_is_server(peer
->ssl
)) {
858 ret
= SSL_renegotiate(peer
->ssl
);
860 if (test_ctx
->extra
.client
.reneg_ciphers
!= NULL
) {
861 if (!SSL_set_cipher_list(peer
->ssl
,
862 test_ctx
->extra
.client
.reneg_ciphers
)) {
863 peer
->status
= PEER_ERROR
;
866 ret
= SSL_renegotiate(peer
->ssl
);
868 ret
= SSL_renegotiate_abbreviated(peer
->ssl
);
872 peer
->status
= PEER_ERROR
;
875 do_handshake_step(peer
);
877 * If status is PEER_RETRY it means we're waiting on the peer to
878 * continue the handshake. As far as setting up the renegotiation is
879 * concerned that is a success. The next step will continue the
880 * handshake to its conclusion.
882 * If status is PEER_SUCCESS then we are the server and we have
883 * successfully sent the HelloRequest. We need to continue to wait
884 * until the handshake arrives from the client.
886 if (peer
->status
== PEER_RETRY
)
887 peer
->status
= PEER_SUCCESS
;
888 else if (peer
->status
== PEER_SUCCESS
)
889 peer
->status
= PEER_RETRY
;
892 } else if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
893 || test_ctx
->handshake_mode
894 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
) {
895 if (SSL_is_server(peer
->ssl
)
896 != (test_ctx
->handshake_mode
897 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)) {
898 peer
->status
= PEER_SUCCESS
;
902 ret
= SSL_key_update(peer
->ssl
, test_ctx
->key_update_type
);
904 peer
->status
= PEER_ERROR
;
907 do_handshake_step(peer
);
909 * This is a one step handshake. We shouldn't get anything other than
912 if (peer
->status
!= PEER_SUCCESS
)
913 peer
->status
= PEER_ERROR
;
918 * The SSL object is still expecting app data, even though it's going to
919 * get a handshake message. We try to read, and it should fail - after which
920 * we should be in a handshake
922 ret
= SSL_read(peer
->ssl
, &buf
, sizeof(buf
));
925 * We're not actually expecting data - we're expecting a reneg to
928 peer
->status
= PEER_ERROR
;
931 int error
= SSL_get_error(peer
->ssl
, ret
);
932 if (error
!= SSL_ERROR_WANT_READ
) {
933 peer
->status
= PEER_ERROR
;
936 /* If we're not in init yet then we're not done with setup yet */
937 if (!SSL_in_init(peer
->ssl
))
941 peer
->status
= PEER_SUCCESS
;
948 * Note that as of TLS 1.1,
949 * failure to properly close a connection no longer requires that a
950 * session not be resumed. This is a change from TLS 1.0 to conform
951 * with widespread implementation practice.
954 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
955 * (b) We test lower versions, too.
956 * So we just implement shutdown. We do a full bidirectional shutdown so that we
957 * can compare sent and received close_notify alerts and get some test coverage
958 * for SSL_shutdown as a bonus.
960 static void do_shutdown_step(PEER
*peer
)
964 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
965 peer
->status
= PEER_TEST_FAILURE
;
968 ret
= SSL_shutdown(peer
->ssl
);
971 peer
->status
= PEER_SUCCESS
;
972 } else if (ret
< 0) { /* On 0, we retry. */
973 int error
= SSL_get_error(peer
->ssl
, ret
);
975 if (error
!= SSL_ERROR_WANT_READ
&& error
!= SSL_ERROR_WANT_WRITE
)
976 peer
->status
= PEER_ERROR
;
982 RENEG_APPLICATION_DATA
,
990 static connect_phase_t
next_phase(const SSL_TEST_CTX
*test_ctx
,
991 connect_phase_t phase
)
995 if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
996 || test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
997 || test_ctx
->handshake_mode
998 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
999 || test_ctx
->handshake_mode
1000 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)
1001 return RENEG_APPLICATION_DATA
;
1002 return APPLICATION_DATA
;
1003 case RENEG_APPLICATION_DATA
:
1006 if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
1007 || test_ctx
->handshake_mode
1008 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
)
1009 return APPLICATION_DATA
;
1010 return RENEG_HANDSHAKE
;
1011 case RENEG_HANDSHAKE
:
1012 return APPLICATION_DATA
;
1013 case APPLICATION_DATA
:
1016 return CONNECTION_DONE
;
1017 case CONNECTION_DONE
:
1018 TEST_error("Trying to progress after connection done");
1024 static void do_connect_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
,
1025 connect_phase_t phase
)
1029 do_handshake_step(peer
);
1031 case RENEG_APPLICATION_DATA
:
1032 do_app_data_step(peer
);
1035 do_reneg_setup_step(test_ctx
, peer
);
1037 case RENEG_HANDSHAKE
:
1038 do_handshake_step(peer
);
1040 case APPLICATION_DATA
:
1041 do_app_data_step(peer
);
1044 do_shutdown_step(peer
);
1046 case CONNECTION_DONE
:
1047 TEST_error("Action after connection done");
1053 /* Both parties succeeded. */
1055 /* Client errored. */
1057 /* Server errored. */
1059 /* Peers are in inconsistent state. */
1061 /* One or both peers not done. */
1063 } handshake_status_t
;
1066 * Determine the handshake outcome.
1067 * last_status: the status of the peer to have acted last.
1068 * previous_status: the status of the peer that didn't act last.
1069 * client_spoke_last: 1 if the client went last.
1071 static handshake_status_t
handshake_status(peer_status_t last_status
,
1072 peer_status_t previous_status
,
1073 int client_spoke_last
)
1075 switch (last_status
) {
1076 case PEER_TEST_FAILURE
:
1077 return INTERNAL_ERROR
;
1080 /* Shouldn't ever happen */
1081 return INTERNAL_ERROR
;
1084 switch (previous_status
) {
1085 case PEER_TEST_FAILURE
:
1086 return INTERNAL_ERROR
;
1088 /* Both succeeded. */
1089 return HANDSHAKE_SUCCESS
;
1092 /* Let the first peer finish. */
1093 return HANDSHAKE_RETRY
;
1096 * Second peer succeeded despite the fact that the first peer
1097 * already errored. This shouldn't happen.
1099 return INTERNAL_ERROR
;
1103 return HANDSHAKE_RETRY
;
1106 switch (previous_status
) {
1107 case PEER_TEST_FAILURE
:
1108 return INTERNAL_ERROR
;
1110 /* The client failed immediately before sending the ClientHello */
1111 return client_spoke_last
? CLIENT_ERROR
: INTERNAL_ERROR
;
1114 * First peer succeeded but second peer errored.
1115 * TODO(emilia): we should be able to continue here (with some
1116 * application data?) to ensure the first peer receives the
1117 * alert / close_notify.
1118 * (No tests currently exercise this branch.)
1120 return client_spoke_last
? CLIENT_ERROR
: SERVER_ERROR
;
1122 /* We errored; let the peer finish. */
1123 return HANDSHAKE_RETRY
;
1125 /* Both peers errored. Return the one that errored first. */
1126 return client_spoke_last
? SERVER_ERROR
: CLIENT_ERROR
;
1129 /* Control should never reach here. */
1130 return INTERNAL_ERROR
;
1133 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
1134 static char *dup_str(const unsigned char *in
, size_t len
)
1141 /* Assert that the string does not contain NUL-bytes. */
1142 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in
), len
), len
))
1143 TEST_ptr(ret
= OPENSSL_strndup((const char*)(in
), len
));
1147 static int pkey_type(EVP_PKEY
*pkey
)
1149 int nid
= EVP_PKEY_id(pkey
);
1151 #ifndef OPENSSL_NO_EC
1152 if (nid
== EVP_PKEY_EC
) {
1153 const EC_KEY
*ec
= EVP_PKEY_get0_EC_KEY(pkey
);
1154 return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
1160 static int peer_pkey_type(SSL
*s
)
1162 X509
*x
= SSL_get_peer_certificate(s
);
1165 int nid
= pkey_type(X509_get0_pubkey(x
));
1173 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1174 static int set_sock_as_sctp(int sock
)
1177 * For SCTP we have to set various options on the socket prior to
1178 * connecting. This is done automatically by BIO_new_dgram_sctp().
1179 * We don't actually need the created BIO though so we free it again
1182 BIO
*tmpbio
= BIO_new_dgram_sctp(sock
, BIO_NOCLOSE
);
1191 static int create_sctp_socks(int *ssock
, int *csock
)
1193 BIO_ADDRINFO
*res
= NULL
;
1194 const BIO_ADDRINFO
*ai
= NULL
;
1195 int lsock
= INVALID_SOCKET
, asock
= INVALID_SOCKET
;
1196 int consock
= INVALID_SOCKET
;
1200 if (BIO_sock_init() != 1)
1204 * Port is 4463. It could be anything. It will fail if it's already being
1205 * used for some other SCTP service. It seems unlikely though so we don't
1206 * worry about it here.
1208 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_SERVER
, family
, SOCK_STREAM
,
1209 IPPROTO_SCTP
, &res
))
1212 for (ai
= res
; ai
!= NULL
; ai
= BIO_ADDRINFO_next(ai
)) {
1213 family
= BIO_ADDRINFO_family(ai
);
1214 lsock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1215 if (lsock
== INVALID_SOCKET
) {
1216 /* Maybe the kernel doesn't support the socket family, even if
1217 * BIO_lookup() added it in the returned result...
1222 if (!set_sock_as_sctp(lsock
)
1223 || !BIO_listen(lsock
, BIO_ADDRINFO_address(ai
),
1224 BIO_SOCK_REUSEADDR
)) {
1225 BIO_closesocket(lsock
);
1226 lsock
= INVALID_SOCKET
;
1230 /* Success, don't try any more addresses */
1234 if (lsock
== INVALID_SOCKET
)
1237 BIO_ADDRINFO_free(res
);
1240 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_CLIENT
, family
, SOCK_STREAM
,
1241 IPPROTO_SCTP
, &res
))
1244 consock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1245 if (consock
== INVALID_SOCKET
)
1248 if (!set_sock_as_sctp(consock
)
1249 || !BIO_connect(consock
, BIO_ADDRINFO_address(res
), 0)
1250 || !BIO_socket_nbio(consock
, 1))
1253 asock
= BIO_accept_ex(lsock
, NULL
, BIO_SOCK_NONBLOCK
);
1254 if (asock
== INVALID_SOCKET
)
1259 consock
= asock
= INVALID_SOCKET
;
1263 BIO_ADDRINFO_free(res
);
1264 if (consock
!= INVALID_SOCKET
)
1265 BIO_closesocket(consock
);
1266 if (lsock
!= INVALID_SOCKET
)
1267 BIO_closesocket(lsock
);
1268 if (asock
!= INVALID_SOCKET
)
1269 BIO_closesocket(asock
);
1275 * Note that |extra| points to the correct client/server configuration
1276 * within |test_ctx|. When configuring the handshake, general mode settings
1277 * are taken from |test_ctx|, and client/server-specific settings should be
1278 * taken from |extra|.
1280 * The configuration code should never reach into |test_ctx->extra| or
1281 * |test_ctx->resume_extra| directly.
1283 * (We could refactor test mode settings into a substructure. This would result
1284 * in cleaner argument passing but would complicate the test configuration
1287 static HANDSHAKE_RESULT
*do_handshake_internal(
1288 SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
, SSL_CTX
*client_ctx
,
1289 const SSL_TEST_CTX
*test_ctx
, const SSL_TEST_EXTRA_CONF
*extra
,
1290 SSL_SESSION
*session_in
, SSL_SESSION
**session_out
)
1292 PEER server
, client
;
1293 BIO
*client_to_server
= NULL
, *server_to_client
= NULL
;
1294 HANDSHAKE_EX_DATA server_ex_data
, client_ex_data
;
1295 CTX_DATA client_ctx_data
, server_ctx_data
, server2_ctx_data
;
1296 HANDSHAKE_RESULT
*ret
= HANDSHAKE_RESULT_new();
1297 int client_turn
= 1, client_turn_count
= 0;
1298 connect_phase_t phase
= HANDSHAKE
;
1299 handshake_status_t status
= HANDSHAKE_RETRY
;
1300 const unsigned char* tick
= NULL
;
1301 size_t tick_len
= 0;
1302 SSL_SESSION
* sess
= NULL
;
1303 const unsigned char *proto
= NULL
;
1304 /* API dictates unsigned int rather than size_t. */
1305 unsigned int proto_len
= 0;
1307 const STACK_OF(X509_NAME
) *names
;
1313 memset(&server_ctx_data
, 0, sizeof(server_ctx_data
));
1314 memset(&server2_ctx_data
, 0, sizeof(server2_ctx_data
));
1315 memset(&client_ctx_data
, 0, sizeof(client_ctx_data
));
1316 memset(&server
, 0, sizeof(server
));
1317 memset(&client
, 0, sizeof(client
));
1318 memset(&server_ex_data
, 0, sizeof(server_ex_data
));
1319 memset(&client_ex_data
, 0, sizeof(client_ex_data
));
1321 if (!configure_handshake_ctx(server_ctx
, server2_ctx
, client_ctx
,
1322 test_ctx
, extra
, &server_ctx_data
,
1323 &server2_ctx_data
, &client_ctx_data
)) {
1324 TEST_note("configure_handshake_ctx");
1328 /* Setup SSL and buffers; additional configuration happens below. */
1329 if (!create_peer(&server
, server_ctx
)) {
1330 TEST_note("creating server context");
1333 if (!create_peer(&client
, client_ctx
)) {
1334 TEST_note("creating client context");
1338 server
.bytes_to_write
= client
.bytes_to_read
= test_ctx
->app_data_size
;
1339 client
.bytes_to_write
= server
.bytes_to_read
= test_ctx
->app_data_size
;
1341 configure_handshake_ssl(server
.ssl
, client
.ssl
, extra
);
1342 if (session_in
!= NULL
) {
1343 /* In case we're testing resumption without tickets. */
1344 if (!TEST_true(SSL_CTX_add_session(server_ctx
, session_in
))
1345 || !TEST_true(SSL_set_session(client
.ssl
, session_in
)))
1349 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1351 if (test_ctx
->use_sctp
) {
1352 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1355 if (create_sctp_socks(&ssock
, &csock
)) {
1356 client_to_server
= BIO_new_dgram_sctp(csock
, BIO_CLOSE
);
1357 server_to_client
= BIO_new_dgram_sctp(ssock
, BIO_CLOSE
);
1361 client_to_server
= BIO_new(BIO_s_mem());
1362 server_to_client
= BIO_new(BIO_s_mem());
1365 if (!TEST_ptr(client_to_server
)
1366 || !TEST_ptr(server_to_client
))
1369 /* Non-blocking bio. */
1370 BIO_set_nbio(client_to_server
, 1);
1371 BIO_set_nbio(server_to_client
, 1);
1373 SSL_set_connect_state(client
.ssl
);
1374 SSL_set_accept_state(server
.ssl
);
1376 /* The bios are now owned by the SSL object. */
1377 if (test_ctx
->use_sctp
) {
1378 SSL_set_bio(client
.ssl
, client_to_server
, client_to_server
);
1379 SSL_set_bio(server
.ssl
, server_to_client
, server_to_client
);
1381 SSL_set_bio(client
.ssl
, server_to_client
, client_to_server
);
1382 if (!TEST_int_gt(BIO_up_ref(server_to_client
), 0)
1383 || !TEST_int_gt(BIO_up_ref(client_to_server
), 0))
1385 SSL_set_bio(server
.ssl
, client_to_server
, server_to_client
);
1388 ex_data_idx
= SSL_get_ex_new_index(0, "ex data", NULL
, NULL
, NULL
);
1389 if (!TEST_int_ge(ex_data_idx
, 0)
1390 || !TEST_int_eq(SSL_set_ex_data(server
.ssl
, ex_data_idx
, &server_ex_data
), 1)
1391 || !TEST_int_eq(SSL_set_ex_data(client
.ssl
, ex_data_idx
, &client_ex_data
), 1))
1394 SSL_set_info_callback(server
.ssl
, &info_cb
);
1395 SSL_set_info_callback(client
.ssl
, &info_cb
);
1397 client
.status
= PEER_RETRY
;
1398 server
.status
= PEER_WAITING
;
1403 * Half-duplex handshake loop.
1404 * Client and server speak to each other synchronously in the same process.
1405 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1406 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1407 * The handshake succeeds once both peers have succeeded. If one peer
1408 * errors out, we also let the other peer retry (and presumably fail).
1412 do_connect_step(test_ctx
, &client
, phase
);
1413 status
= handshake_status(client
.status
, server
.status
,
1414 1 /* client went last */);
1415 if (server
.status
== PEER_WAITING
)
1416 server
.status
= PEER_RETRY
;
1418 do_connect_step(test_ctx
, &server
, phase
);
1419 status
= handshake_status(server
.status
, client
.status
,
1420 0 /* server went last */);
1424 case HANDSHAKE_SUCCESS
:
1425 client_turn_count
= 0;
1426 phase
= next_phase(test_ctx
, phase
);
1427 if (phase
== CONNECTION_DONE
) {
1428 ret
->result
= SSL_TEST_SUCCESS
;
1431 client
.status
= server
.status
= PEER_RETRY
;
1433 * For now, client starts each phase. Since each phase is
1434 * started separately, we can later control this more
1435 * precisely, for example, to test client-initiated and
1436 * server-initiated shutdown.
1442 ret
->result
= SSL_TEST_CLIENT_FAIL
;
1445 ret
->result
= SSL_TEST_SERVER_FAIL
;
1447 case INTERNAL_ERROR
:
1448 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1450 case HANDSHAKE_RETRY
:
1451 if (test_ctx
->use_sctp
) {
1452 if (time(NULL
) - start
> 3) {
1454 * We've waited for too long. Give up.
1456 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1460 * With "real" sockets we only swap to processing the peer
1461 * if they are expecting to retry. Otherwise we just retry the
1462 * same endpoint again.
1464 if ((client_turn
&& server
.status
== PEER_RETRY
)
1465 || (!client_turn
&& client
.status
== PEER_RETRY
))
1468 if (client_turn_count
++ >= 2000) {
1470 * At this point, there's been so many PEER_RETRY in a row
1471 * that it's likely both sides are stuck waiting for a read.
1472 * It's time to give up.
1474 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1485 ret
->server_alert_sent
= server_ex_data
.alert_sent
;
1486 ret
->server_num_fatal_alerts_sent
= server_ex_data
.num_fatal_alerts_sent
;
1487 ret
->server_alert_received
= client_ex_data
.alert_received
;
1488 ret
->client_alert_sent
= client_ex_data
.alert_sent
;
1489 ret
->client_num_fatal_alerts_sent
= client_ex_data
.num_fatal_alerts_sent
;
1490 ret
->client_alert_received
= server_ex_data
.alert_received
;
1491 ret
->server_protocol
= SSL_version(server
.ssl
);
1492 ret
->client_protocol
= SSL_version(client
.ssl
);
1493 ret
->servername
= server_ex_data
.servername
;
1494 if ((sess
= SSL_get0_session(client
.ssl
)) != NULL
)
1495 SSL_SESSION_get0_ticket(sess
, &tick
, &tick_len
);
1496 if (tick
== NULL
|| tick_len
== 0)
1497 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_NO
;
1499 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_YES
;
1500 ret
->compression
= (SSL_get_current_compression(client
.ssl
) == NULL
)
1501 ? SSL_TEST_COMPRESSION_NO
1502 : SSL_TEST_COMPRESSION_YES
;
1503 ret
->session_ticket_do_not_call
= server_ex_data
.session_ticket_do_not_call
;
1505 #ifndef OPENSSL_NO_NEXTPROTONEG
1506 SSL_get0_next_proto_negotiated(client
.ssl
, &proto
, &proto_len
);
1507 ret
->client_npn_negotiated
= dup_str(proto
, proto_len
);
1509 SSL_get0_next_proto_negotiated(server
.ssl
, &proto
, &proto_len
);
1510 ret
->server_npn_negotiated
= dup_str(proto
, proto_len
);
1513 SSL_get0_alpn_selected(client
.ssl
, &proto
, &proto_len
);
1514 ret
->client_alpn_negotiated
= dup_str(proto
, proto_len
);
1516 SSL_get0_alpn_selected(server
.ssl
, &proto
, &proto_len
);
1517 ret
->server_alpn_negotiated
= dup_str(proto
, proto_len
);
1519 ret
->client_resumed
= SSL_session_reused(client
.ssl
);
1520 ret
->server_resumed
= SSL_session_reused(server
.ssl
);
1522 if (session_out
!= NULL
)
1523 *session_out
= SSL_get1_session(client
.ssl
);
1525 if (SSL_get_server_tmp_key(client
.ssl
, &tmp_key
)) {
1526 ret
->tmp_key_type
= pkey_type(tmp_key
);
1527 EVP_PKEY_free(tmp_key
);
1530 SSL_get_peer_signature_nid(client
.ssl
, &ret
->server_sign_hash
);
1531 SSL_get_peer_signature_nid(server
.ssl
, &ret
->client_sign_hash
);
1533 SSL_get_peer_signature_type_nid(client
.ssl
, &ret
->server_sign_type
);
1534 SSL_get_peer_signature_type_nid(server
.ssl
, &ret
->client_sign_type
);
1536 names
= SSL_get0_peer_CA_list(client
.ssl
);
1538 ret
->client_ca_names
= NULL
;
1540 ret
->client_ca_names
= SSL_dup_CA_list(names
);
1542 names
= SSL_get0_peer_CA_list(server
.ssl
);
1544 ret
->server_ca_names
= NULL
;
1546 ret
->server_ca_names
= SSL_dup_CA_list(names
);
1548 ret
->server_cert_type
= peer_pkey_type(client
.ssl
);
1549 ret
->client_cert_type
= peer_pkey_type(server
.ssl
);
1551 ctx_data_free_data(&server_ctx_data
);
1552 ctx_data_free_data(&server2_ctx_data
);
1553 ctx_data_free_data(&client_ctx_data
);
1555 peer_free_data(&server
);
1556 peer_free_data(&client
);
1560 HANDSHAKE_RESULT
*do_handshake(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
1561 SSL_CTX
*client_ctx
, SSL_CTX
*resume_server_ctx
,
1562 SSL_CTX
*resume_client_ctx
,
1563 const SSL_TEST_CTX
*test_ctx
)
1565 HANDSHAKE_RESULT
*result
;
1566 SSL_SESSION
*session
= NULL
;
1568 result
= do_handshake_internal(server_ctx
, server2_ctx
, client_ctx
,
1569 test_ctx
, &test_ctx
->extra
,
1572 || test_ctx
->handshake_mode
!= SSL_TEST_HANDSHAKE_RESUME
1573 || result
->result
== SSL_TEST_INTERNAL_ERROR
)
1576 if (result
->result
!= SSL_TEST_SUCCESS
) {
1577 result
->result
= SSL_TEST_FIRST_HANDSHAKE_FAILED
;
1581 HANDSHAKE_RESULT_free(result
);
1582 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1583 result
= do_handshake_internal(resume_server_ctx
, NULL
, resume_client_ctx
,
1584 test_ctx
, &test_ctx
->resume_extra
,
1587 SSL_SESSION_free(session
);