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/sockets.h"
20 #include "internal/nelem.h"
21 #include "handshake_helper.h"
24 HANDSHAKE_RESULT
*HANDSHAKE_RESULT_new()
26 HANDSHAKE_RESULT
*ret
;
28 TEST_ptr(ret
= OPENSSL_zalloc(sizeof(*ret
)));
32 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT
*result
)
36 OPENSSL_free(result
->client_npn_negotiated
);
37 OPENSSL_free(result
->server_npn_negotiated
);
38 OPENSSL_free(result
->client_alpn_negotiated
);
39 OPENSSL_free(result
->server_alpn_negotiated
);
40 sk_X509_NAME_pop_free(result
->server_ca_names
, X509_NAME_free
);
41 sk_X509_NAME_pop_free(result
->client_ca_names
, X509_NAME_free
);
46 * Since there appears to be no way to extract the sent/received alert
47 * from the SSL object directly, we use the info callback and stash
48 * the result in ex_data.
50 typedef struct handshake_ex_data_st
{
52 int num_fatal_alerts_sent
;
54 int session_ticket_do_not_call
;
55 ssl_servername_t servername
;
58 typedef struct ctx_data_st
{
59 unsigned char *npn_protocols
;
60 size_t npn_protocols_len
;
61 unsigned char *alpn_protocols
;
62 size_t alpn_protocols_len
;
67 /* |ctx_data| itself is stack-allocated. */
68 static void ctx_data_free_data(CTX_DATA
*ctx_data
)
70 OPENSSL_free(ctx_data
->npn_protocols
);
71 ctx_data
->npn_protocols
= NULL
;
72 OPENSSL_free(ctx_data
->alpn_protocols
);
73 ctx_data
->alpn_protocols
= NULL
;
74 OPENSSL_free(ctx_data
->srp_user
);
75 ctx_data
->srp_user
= NULL
;
76 OPENSSL_free(ctx_data
->srp_password
);
77 ctx_data
->srp_password
= NULL
;
80 static int ex_data_idx
;
82 static void info_cb(const SSL
*s
, int where
, int ret
)
84 if (where
& SSL_CB_ALERT
) {
85 HANDSHAKE_EX_DATA
*ex_data
=
86 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
87 if (where
& SSL_CB_WRITE
) {
88 ex_data
->alert_sent
= ret
;
89 if (strcmp(SSL_alert_type_string(ret
), "F") == 0
90 || strcmp(SSL_alert_desc_string(ret
), "CN") == 0)
91 ex_data
->num_fatal_alerts_sent
++;
93 ex_data
->alert_received
= ret
;
98 /* Select the appropriate server CTX.
99 * Returns SSL_TLSEXT_ERR_OK if a match was found.
100 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
101 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
102 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
104 static int select_server_ctx(SSL
*s
, void *arg
, int ignore
)
106 const char *servername
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
107 HANDSHAKE_EX_DATA
*ex_data
=
108 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
110 if (servername
== NULL
) {
111 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
112 return SSL_TLSEXT_ERR_NOACK
;
115 if (strcmp(servername
, "server2") == 0) {
116 SSL_CTX
*new_ctx
= (SSL_CTX
*)arg
;
117 SSL_set_SSL_CTX(s
, new_ctx
);
119 * Copy over all the SSL_CTX options - reasonable behavior
120 * allows testing of cases where the options between two
121 * contexts differ/conflict
123 SSL_clear_options(s
, 0xFFFFFFFFL
);
124 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
126 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
127 return SSL_TLSEXT_ERR_OK
;
128 } else if (strcmp(servername
, "server1") == 0) {
129 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
130 return SSL_TLSEXT_ERR_OK
;
132 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
133 return SSL_TLSEXT_ERR_NOACK
;
135 /* Don't set an explicit alert, to test library defaults. */
136 return SSL_TLSEXT_ERR_ALERT_FATAL
;
140 static int early_select_server_ctx(SSL
*s
, void *arg
, int ignore
)
142 const char *servername
;
143 const unsigned char *p
;
144 size_t len
, remaining
;
145 HANDSHAKE_EX_DATA
*ex_data
=
146 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
149 * The server_name extension was given too much extensibility when it
150 * was written, so parsing the normal case is a bit complex.
152 if (!SSL_early_get0_ext(s
, TLSEXT_TYPE_server_name
, &p
, &remaining
) ||
155 /* Extract the length of the supplied list of names. */
158 if (len
+ 2 != remaining
)
162 * The list in practice only has a single element, so we only consider
165 if (remaining
== 0 || *p
++ != TLSEXT_NAMETYPE_host_name
)
168 /* Now we can finally pull out the byte array with the actual hostname. */
173 if (len
+ 2 > remaining
)
176 servername
= (const char *)p
;
178 if (len
== strlen("server2") && strncmp(servername
, "server2", len
) == 0) {
179 SSL_CTX
*new_ctx
= arg
;
180 SSL_set_SSL_CTX(s
, new_ctx
);
182 * Copy over all the SSL_CTX options - reasonable behavior
183 * allows testing of cases where the options between two
184 * contexts differ/conflict
186 SSL_clear_options(s
, 0xFFFFFFFFL
);
187 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
189 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
191 } else if (len
== strlen("server1") &&
192 strncmp(servername
, "server1", len
) == 0) {
193 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
196 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
203 * If the server understood the ClientHello extension but
204 * does not recognize the server name, the server SHOULD take one of two
205 * actions: either abort the handshake by sending a fatal-level
206 * unrecognized_name(112) alert or continue the handshake.
208 * This behaviour is up to the application to configure; we test both
209 * configurations to ensure the state machine propagates the result
212 static int servername_ignore_cb(SSL
*s
, int *ad
, void *arg
)
214 return select_server_ctx(s
, arg
, 1);
217 static int servername_reject_cb(SSL
*s
, int *ad
, void *arg
)
219 return select_server_ctx(s
, arg
, 0);
222 static int early_ignore_cb(SSL
*s
, int *al
, void *arg
)
224 if (!early_select_server_ctx(s
, arg
, 1)) {
225 *al
= SSL_AD_UNRECOGNIZED_NAME
;
231 static int early_reject_cb(SSL
*s
, int *al
, void *arg
)
233 if (!early_select_server_ctx(s
, arg
, 0)) {
234 *al
= SSL_AD_UNRECOGNIZED_NAME
;
240 static int early_nov12_cb(SSL
*s
, int *al
, void *arg
)
244 const unsigned char *p
;
246 v
= SSL_early_get0_legacy_version(s
);
247 if (v
> TLS1_2_VERSION
|| v
< SSL3_VERSION
) {
248 *al
= SSL_AD_PROTOCOL_VERSION
;
251 (void)SSL_early_get0_session_id(s
, &p
);
253 SSL_early_get0_random(s
, &p
) == 0 ||
254 SSL_early_get0_ciphers(s
, &p
) == 0 ||
255 SSL_early_get0_compression_methods(s
, &p
) == 0) {
256 *al
= SSL_AD_INTERNAL_ERROR
;
259 ret
= early_select_server_ctx(s
, arg
, 0);
260 SSL_set_max_proto_version(s
, TLS1_1_VERSION
);
262 *al
= SSL_AD_UNRECOGNIZED_NAME
;
266 static unsigned char dummy_ocsp_resp_good_val
= 0xff;
267 static unsigned char dummy_ocsp_resp_bad_val
= 0xfe;
269 static int server_ocsp_cb(SSL
*s
, void *arg
)
273 resp
= OPENSSL_malloc(1);
275 return SSL_TLSEXT_ERR_ALERT_FATAL
;
277 * For the purposes of testing we just send back a dummy OCSP response
279 *resp
= *(unsigned char *)arg
;
280 if (!SSL_set_tlsext_status_ocsp_resp(s
, resp
, 1))
281 return SSL_TLSEXT_ERR_ALERT_FATAL
;
283 return SSL_TLSEXT_ERR_OK
;
286 static int client_ocsp_cb(SSL
*s
, void *arg
)
288 const unsigned char *resp
;
291 len
= SSL_get_tlsext_status_ocsp_resp(s
, &resp
);
292 if (len
!= 1 || *resp
!= dummy_ocsp_resp_good_val
)
298 static int verify_reject_cb(X509_STORE_CTX
*ctx
, void *arg
) {
299 X509_STORE_CTX_set_error(ctx
, X509_V_ERR_APPLICATION_VERIFICATION
);
303 static int verify_accept_cb(X509_STORE_CTX
*ctx
, void *arg
) {
307 static int broken_session_ticket_cb(SSL
*s
, unsigned char *key_name
, unsigned char *iv
,
308 EVP_CIPHER_CTX
*ctx
, HMAC_CTX
*hctx
, int enc
)
313 static int do_not_call_session_ticket_cb(SSL
*s
, unsigned char *key_name
,
316 HMAC_CTX
*hctx
, int enc
)
318 HANDSHAKE_EX_DATA
*ex_data
=
319 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
320 ex_data
->session_ticket_do_not_call
= 1;
324 /* Parse the comma-separated list into TLS format. */
325 static int parse_protos(const char *protos
, unsigned char **out
, size_t *outlen
)
327 size_t len
, i
, prefix
;
329 len
= strlen(protos
);
331 /* Should never have reuse. */
332 if (!TEST_ptr_null(*out
)
333 /* Test values are small, so we omit length limit checks. */
334 || !TEST_ptr(*out
= OPENSSL_malloc(len
+ 1)))
339 * foo => '3', 'f', 'o', 'o'
340 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
342 memcpy(*out
+ 1, protos
, len
);
347 if ((*out
)[i
] == ',') {
348 if (!TEST_int_gt(i
- 1, prefix
))
350 (*out
)[prefix
] = i
- 1 - prefix
;
355 if (!TEST_int_gt(len
, prefix
))
357 (*out
)[prefix
] = len
- prefix
;
366 #ifndef OPENSSL_NO_NEXTPROTONEG
368 * The client SHOULD select the first protocol advertised by the server that it
369 * also supports. In the event that the client doesn't support any of server's
370 * protocols, or the server doesn't advertise any, it SHOULD select the first
371 * protocol that it supports.
373 static int client_npn_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
374 const unsigned char *in
, unsigned int inlen
,
377 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
380 ret
= SSL_select_next_proto(out
, outlen
, in
, inlen
,
381 ctx_data
->npn_protocols
,
382 ctx_data
->npn_protocols_len
);
383 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
384 return TEST_true(ret
== OPENSSL_NPN_NEGOTIATED
|| ret
== OPENSSL_NPN_NO_OVERLAP
)
385 ? SSL_TLSEXT_ERR_OK
: SSL_TLSEXT_ERR_ALERT_FATAL
;
388 static int server_npn_cb(SSL
*s
, const unsigned char **data
,
389 unsigned int *len
, void *arg
)
391 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
392 *data
= ctx_data
->npn_protocols
;
393 *len
= ctx_data
->npn_protocols_len
;
394 return SSL_TLSEXT_ERR_OK
;
399 * The server SHOULD select the most highly preferred protocol that it supports
400 * and that is also advertised by the client. In the event that the server
401 * supports no protocols that the client advertises, then the server SHALL
402 * respond with a fatal "no_application_protocol" alert.
404 static int server_alpn_cb(SSL
*s
, const unsigned char **out
,
405 unsigned char *outlen
, const unsigned char *in
,
406 unsigned int inlen
, void *arg
)
408 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
411 /* SSL_select_next_proto isn't const-correct... */
412 unsigned char *tmp_out
;
415 * The result points either to |in| or to |ctx_data->alpn_protocols|.
416 * The callback is allowed to point to |in| or to a long-lived buffer,
417 * so we can return directly without storing a copy.
419 ret
= SSL_select_next_proto(&tmp_out
, outlen
,
420 ctx_data
->alpn_protocols
,
421 ctx_data
->alpn_protocols_len
, in
, inlen
);
424 /* Unlike NPN, we don't tolerate a mismatch. */
425 return ret
== OPENSSL_NPN_NEGOTIATED
? SSL_TLSEXT_ERR_OK
426 : SSL_TLSEXT_ERR_ALERT_FATAL
;
429 #ifndef OPENSSL_NO_SRP
430 static char *client_srp_cb(SSL
*s
, void *arg
)
432 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
433 return OPENSSL_strdup(ctx_data
->srp_password
);
436 static int server_srp_cb(SSL
*s
, int *ad
, void *arg
)
438 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
439 if (strcmp(ctx_data
->srp_user
, SSL_get_srp_username(s
)) != 0)
440 return SSL3_AL_FATAL
;
441 if (SSL_set_srp_server_param_pw(s
, ctx_data
->srp_user
,
442 ctx_data
->srp_password
,
443 "2048" /* known group */) < 0) {
444 *ad
= SSL_AD_INTERNAL_ERROR
;
445 return SSL3_AL_FATAL
;
447 return SSL_ERROR_NONE
;
449 #endif /* !OPENSSL_NO_SRP */
452 * Configure callbacks and other properties that can't be set directly
453 * in the server/client CONF.
455 static int configure_handshake_ctx(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
457 const SSL_TEST_CTX
*test
,
458 const SSL_TEST_EXTRA_CONF
*extra
,
459 CTX_DATA
*server_ctx_data
,
460 CTX_DATA
*server2_ctx_data
,
461 CTX_DATA
*client_ctx_data
)
463 unsigned char *ticket_keys
;
464 size_t ticket_key_len
;
466 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx
,
467 test
->max_fragment_size
), 1))
469 if (server2_ctx
!= NULL
) {
470 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx
,
471 test
->max_fragment_size
),
475 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx
,
476 test
->max_fragment_size
), 1))
479 switch (extra
->client
.verify_callback
) {
480 case SSL_TEST_VERIFY_ACCEPT_ALL
:
481 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_accept_cb
, NULL
);
483 case SSL_TEST_VERIFY_REJECT_ALL
:
484 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_reject_cb
, NULL
);
486 case SSL_TEST_VERIFY_NONE
:
491 * Link the two contexts for SNI purposes.
492 * Also do early callbacks here, as setting both early and SNI is bad.
494 switch (extra
->server
.servername_callback
) {
495 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH
:
496 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_ignore_cb
);
497 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
499 case SSL_TEST_SERVERNAME_REJECT_MISMATCH
:
500 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_reject_cb
);
501 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
503 case SSL_TEST_SERVERNAME_CB_NONE
:
505 case SSL_TEST_SERVERNAME_EARLY_IGNORE_MISMATCH
:
506 SSL_CTX_set_early_cb(server_ctx
, early_ignore_cb
, server2_ctx
);
508 case SSL_TEST_SERVERNAME_EARLY_REJECT_MISMATCH
:
509 SSL_CTX_set_early_cb(server_ctx
, early_reject_cb
, server2_ctx
);
511 case SSL_TEST_SERVERNAME_EARLY_NO_V12
:
512 SSL_CTX_set_early_cb(server_ctx
, early_nov12_cb
, server2_ctx
);
515 if (extra
->server
.cert_status
!= SSL_TEST_CERT_STATUS_NONE
) {
516 SSL_CTX_set_tlsext_status_type(client_ctx
, TLSEXT_STATUSTYPE_ocsp
);
517 SSL_CTX_set_tlsext_status_cb(client_ctx
, client_ocsp_cb
);
518 SSL_CTX_set_tlsext_status_arg(client_ctx
, NULL
);
519 SSL_CTX_set_tlsext_status_cb(server_ctx
, server_ocsp_cb
);
520 SSL_CTX_set_tlsext_status_arg(server_ctx
,
521 ((extra
->server
.cert_status
== SSL_TEST_CERT_STATUS_GOOD_RESPONSE
)
522 ? &dummy_ocsp_resp_good_val
: &dummy_ocsp_resp_bad_val
));
526 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
527 * session ticket. This ticket_key callback is assigned to the second
528 * session (assigned via SNI), and should never be invoked
530 if (server2_ctx
!= NULL
)
531 SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx
,
532 do_not_call_session_ticket_cb
);
534 if (extra
->server
.broken_session_ticket
) {
535 SSL_CTX_set_tlsext_ticket_key_cb(server_ctx
, broken_session_ticket_cb
);
537 #ifndef OPENSSL_NO_NEXTPROTONEG
538 if (extra
->server
.npn_protocols
!= NULL
) {
539 if (!TEST_true(parse_protos(extra
->server
.npn_protocols
,
540 &server_ctx_data
->npn_protocols
,
541 &server_ctx_data
->npn_protocols_len
)))
543 SSL_CTX_set_npn_advertised_cb(server_ctx
, server_npn_cb
,
546 if (extra
->server2
.npn_protocols
!= NULL
) {
547 if (!TEST_true(parse_protos(extra
->server2
.npn_protocols
,
548 &server2_ctx_data
->npn_protocols
,
549 &server2_ctx_data
->npn_protocols_len
))
550 || !TEST_ptr(server2_ctx
))
552 SSL_CTX_set_npn_advertised_cb(server2_ctx
, server_npn_cb
,
555 if (extra
->client
.npn_protocols
!= NULL
) {
556 if (!TEST_true(parse_protos(extra
->client
.npn_protocols
,
557 &client_ctx_data
->npn_protocols
,
558 &client_ctx_data
->npn_protocols_len
)))
560 SSL_CTX_set_next_proto_select_cb(client_ctx
, client_npn_cb
,
564 if (extra
->server
.alpn_protocols
!= NULL
) {
565 if (!TEST_true(parse_protos(extra
->server
.alpn_protocols
,
566 &server_ctx_data
->alpn_protocols
,
567 &server_ctx_data
->alpn_protocols_len
)))
569 SSL_CTX_set_alpn_select_cb(server_ctx
, server_alpn_cb
, server_ctx_data
);
571 if (extra
->server2
.alpn_protocols
!= NULL
) {
572 if (!TEST_ptr(server2_ctx
)
573 || !TEST_true(parse_protos(extra
->server2
.alpn_protocols
,
574 &server2_ctx_data
->alpn_protocols
,
575 &server2_ctx_data
->alpn_protocols_len
578 SSL_CTX_set_alpn_select_cb(server2_ctx
, server_alpn_cb
,
581 if (extra
->client
.alpn_protocols
!= NULL
) {
582 unsigned char *alpn_protos
= NULL
;
583 size_t alpn_protos_len
;
584 if (!TEST_true(parse_protos(extra
->client
.alpn_protocols
,
585 &alpn_protos
, &alpn_protos_len
))
586 /* Reversed return value convention... */
587 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx
, alpn_protos
,
588 alpn_protos_len
), 0))
590 OPENSSL_free(alpn_protos
);
594 * Use fixed session ticket keys so that we can decrypt a ticket created with
595 * one CTX in another CTX. Don't address server2 for the moment.
597 ticket_key_len
= SSL_CTX_set_tlsext_ticket_keys(server_ctx
, NULL
, 0);
598 if (!TEST_ptr(ticket_keys
= OPENSSL_zalloc(ticket_key_len
))
599 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx
,
601 ticket_key_len
), 1)) {
602 OPENSSL_free(ticket_keys
);
605 OPENSSL_free(ticket_keys
);
607 /* The default log list includes EC keys, so CT can't work without EC. */
608 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
609 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx
)))
611 switch (extra
->client
.ct_validation
) {
612 case SSL_TEST_CT_VALIDATION_PERMISSIVE
:
613 if (!TEST_true(SSL_CTX_enable_ct(client_ctx
,
614 SSL_CT_VALIDATION_PERMISSIVE
)))
617 case SSL_TEST_CT_VALIDATION_STRICT
:
618 if (!TEST_true(SSL_CTX_enable_ct(client_ctx
, SSL_CT_VALIDATION_STRICT
)))
621 case SSL_TEST_CT_VALIDATION_NONE
:
625 #ifndef OPENSSL_NO_SRP
626 if (extra
->server
.srp_user
!= NULL
) {
627 SSL_CTX_set_srp_username_callback(server_ctx
, server_srp_cb
);
628 server_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server
.srp_user
);
629 server_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server
.srp_password
);
630 SSL_CTX_set_srp_cb_arg(server_ctx
, server_ctx_data
);
632 if (extra
->server2
.srp_user
!= NULL
) {
633 if (!TEST_ptr(server2_ctx
))
635 SSL_CTX_set_srp_username_callback(server2_ctx
, server_srp_cb
);
636 server2_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server2
.srp_user
);
637 server2_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server2
.srp_password
);
638 SSL_CTX_set_srp_cb_arg(server2_ctx
, server2_ctx_data
);
640 if (extra
->client
.srp_user
!= NULL
) {
641 if (!TEST_true(SSL_CTX_set_srp_username(client_ctx
,
642 extra
->client
.srp_user
)))
644 SSL_CTX_set_srp_client_pwd_callback(client_ctx
, client_srp_cb
);
645 client_ctx_data
->srp_password
= OPENSSL_strdup(extra
->client
.srp_password
);
646 SSL_CTX_set_srp_cb_arg(client_ctx
, client_ctx_data
);
648 #endif /* !OPENSSL_NO_SRP */
654 /* Configure per-SSL callbacks and other properties. */
655 static void configure_handshake_ssl(SSL
*server
, SSL
*client
,
656 const SSL_TEST_EXTRA_CONF
*extra
)
658 if (extra
->client
.servername
!= SSL_TEST_SERVERNAME_NONE
)
659 SSL_set_tlsext_host_name(client
,
660 ssl_servername_name(extra
->client
.servername
));
663 /* The status for each connection phase. */
672 /* An SSL object and associated read-write buffers. */
673 typedef struct peer_st
{
675 /* Buffer lengths are int to match the SSL read/write API. */
676 unsigned char *write_buf
;
678 unsigned char *read_buf
;
682 peer_status_t status
;
685 static int create_peer(PEER
*peer
, SSL_CTX
*ctx
)
687 static const int peer_buffer_size
= 64 * 1024;
689 unsigned char *read_buf
= NULL
, *write_buf
= NULL
;
691 if (!TEST_ptr(ssl
= SSL_new(ctx
))
692 || !TEST_ptr(write_buf
= OPENSSL_zalloc(peer_buffer_size
))
693 || !TEST_ptr(read_buf
= OPENSSL_zalloc(peer_buffer_size
)))
697 peer
->write_buf
= write_buf
;
698 peer
->read_buf
= read_buf
;
699 peer
->write_buf_len
= peer
->read_buf_len
= peer_buffer_size
;
703 OPENSSL_free(write_buf
);
704 OPENSSL_free(read_buf
);
708 static void peer_free_data(PEER
*peer
)
711 OPENSSL_free(peer
->write_buf
);
712 OPENSSL_free(peer
->read_buf
);
716 * Note that we could do the handshake transparently under an SSL_write,
717 * but separating the steps is more helpful for debugging test failures.
719 static void do_handshake_step(PEER
*peer
)
721 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
722 peer
->status
= PEER_TEST_FAILURE
;
724 int ret
= SSL_do_handshake(peer
->ssl
);
727 peer
->status
= PEER_SUCCESS
;
728 } else if (ret
== 0) {
729 peer
->status
= PEER_ERROR
;
731 int error
= SSL_get_error(peer
->ssl
, ret
);
732 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
733 if (error
!= SSL_ERROR_WANT_READ
)
734 peer
->status
= PEER_ERROR
;
740 * Send/receive some application data. The read-write sequence is
741 * Peer A: (R) W - first read will yield no data
748 static void do_app_data_step(PEER
*peer
)
750 int ret
= 1, write_bytes
;
752 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
753 peer
->status
= PEER_TEST_FAILURE
;
757 /* We read everything available... */
758 while (ret
> 0 && peer
->bytes_to_read
) {
759 ret
= SSL_read(peer
->ssl
, peer
->read_buf
, peer
->read_buf_len
);
761 if (!TEST_int_le(ret
, peer
->bytes_to_read
)) {
762 peer
->status
= PEER_TEST_FAILURE
;
765 peer
->bytes_to_read
-= ret
;
766 } else if (ret
== 0) {
767 peer
->status
= PEER_ERROR
;
770 int error
= SSL_get_error(peer
->ssl
, ret
);
771 if (error
!= SSL_ERROR_WANT_READ
) {
772 peer
->status
= PEER_ERROR
;
774 } /* Else continue with write. */
778 /* ... but we only write one write-buffer-full of data. */
779 write_bytes
= peer
->bytes_to_write
< peer
->write_buf_len
? peer
->bytes_to_write
:
782 ret
= SSL_write(peer
->ssl
, peer
->write_buf
, write_bytes
);
784 /* SSL_write will only succeed with a complete write. */
785 if (!TEST_int_eq(ret
, write_bytes
)) {
786 peer
->status
= PEER_TEST_FAILURE
;
789 peer
->bytes_to_write
-= ret
;
792 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
793 * but this doesn't yet occur with current app data sizes.
795 peer
->status
= PEER_ERROR
;
801 * We could simply finish when there was nothing to read, and we have
802 * nothing left to write. But keeping track of the expected number of bytes
803 * to read gives us somewhat better guarantees that all data sent is in fact
806 if (!peer
->bytes_to_write
&& !peer
->bytes_to_read
) {
807 peer
->status
= PEER_SUCCESS
;
811 static void do_reneg_setup_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
)
816 if (peer
->status
== PEER_SUCCESS
) {
818 * We are a client that succeeded this step previously, but the server
819 * wanted to retry. Probably there is a no_renegotiation warning alert
820 * waiting for us. Attempt to continue the handshake.
822 peer
->status
= PEER_RETRY
;
823 do_handshake_step(peer
);
827 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)
828 || !TEST_true(test_ctx
->handshake_mode
829 == SSL_TEST_HANDSHAKE_RENEG_SERVER
830 || test_ctx
->handshake_mode
831 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
832 || test_ctx
->handshake_mode
833 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
834 || test_ctx
->handshake_mode
835 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
)) {
836 peer
->status
= PEER_TEST_FAILURE
;
840 /* Reset the count of the amount of app data we need to read/write */
841 peer
->bytes_to_write
= peer
->bytes_to_read
= test_ctx
->app_data_size
;
843 /* Check if we are the peer that is going to initiate */
844 if ((test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
845 && SSL_is_server(peer
->ssl
))
846 || (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
847 && !SSL_is_server(peer
->ssl
))) {
849 * If we already asked for a renegotiation then fall through to the
852 if (!SSL_renegotiate_pending(peer
->ssl
)) {
854 * If we are the client we will always attempt to resume the
855 * session. The server may or may not resume dependent on the
856 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
858 if (SSL_is_server(peer
->ssl
)) {
859 ret
= SSL_renegotiate(peer
->ssl
);
861 if (test_ctx
->extra
.client
.reneg_ciphers
!= NULL
) {
862 if (!SSL_set_cipher_list(peer
->ssl
,
863 test_ctx
->extra
.client
.reneg_ciphers
)) {
864 peer
->status
= PEER_ERROR
;
867 ret
= SSL_renegotiate(peer
->ssl
);
869 ret
= SSL_renegotiate_abbreviated(peer
->ssl
);
873 peer
->status
= PEER_ERROR
;
876 do_handshake_step(peer
);
878 * If status is PEER_RETRY it means we're waiting on the peer to
879 * continue the handshake. As far as setting up the renegotiation is
880 * concerned that is a success. The next step will continue the
881 * handshake to its conclusion.
883 * If status is PEER_SUCCESS then we are the server and we have
884 * successfully sent the HelloRequest. We need to continue to wait
885 * until the handshake arrives from the client.
887 if (peer
->status
== PEER_RETRY
)
888 peer
->status
= PEER_SUCCESS
;
889 else if (peer
->status
== PEER_SUCCESS
)
890 peer
->status
= PEER_RETRY
;
893 } else if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
894 || test_ctx
->handshake_mode
895 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
) {
896 if (SSL_is_server(peer
->ssl
)
897 != (test_ctx
->handshake_mode
898 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)) {
899 peer
->status
= PEER_SUCCESS
;
903 ret
= SSL_key_update(peer
->ssl
, test_ctx
->key_update_type
);
905 peer
->status
= PEER_ERROR
;
908 do_handshake_step(peer
);
910 * This is a one step handshake. We shouldn't get anything other than
913 if (peer
->status
!= PEER_SUCCESS
)
914 peer
->status
= PEER_ERROR
;
919 * The SSL object is still expecting app data, even though it's going to
920 * get a handshake message. We try to read, and it should fail - after which
921 * we should be in a handshake
923 ret
= SSL_read(peer
->ssl
, &buf
, sizeof(buf
));
926 * We're not actually expecting data - we're expecting a reneg to
929 peer
->status
= PEER_ERROR
;
932 int error
= SSL_get_error(peer
->ssl
, ret
);
933 if (error
!= SSL_ERROR_WANT_READ
) {
934 peer
->status
= PEER_ERROR
;
937 /* If we're not in init yet then we're not done with setup yet */
938 if (!SSL_in_init(peer
->ssl
))
942 peer
->status
= PEER_SUCCESS
;
949 * Note that as of TLS 1.1,
950 * failure to properly close a connection no longer requires that a
951 * session not be resumed. This is a change from TLS 1.0 to conform
952 * with widespread implementation practice.
955 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
956 * (b) We test lower versions, too.
957 * So we just implement shutdown. We do a full bidirectional shutdown so that we
958 * can compare sent and received close_notify alerts and get some test coverage
959 * for SSL_shutdown as a bonus.
961 static void do_shutdown_step(PEER
*peer
)
965 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
966 peer
->status
= PEER_TEST_FAILURE
;
969 ret
= SSL_shutdown(peer
->ssl
);
972 peer
->status
= PEER_SUCCESS
;
973 } else if (ret
< 0) { /* On 0, we retry. */
974 int error
= SSL_get_error(peer
->ssl
, ret
);
976 if (error
!= SSL_ERROR_WANT_READ
&& error
!= SSL_ERROR_WANT_WRITE
)
977 peer
->status
= PEER_ERROR
;
983 RENEG_APPLICATION_DATA
,
991 static connect_phase_t
next_phase(const SSL_TEST_CTX
*test_ctx
,
992 connect_phase_t phase
)
996 if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
997 || test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
998 || test_ctx
->handshake_mode
999 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
1000 || test_ctx
->handshake_mode
1001 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)
1002 return RENEG_APPLICATION_DATA
;
1003 return APPLICATION_DATA
;
1004 case RENEG_APPLICATION_DATA
:
1007 if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
1008 || test_ctx
->handshake_mode
1009 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
)
1010 return APPLICATION_DATA
;
1011 return RENEG_HANDSHAKE
;
1012 case RENEG_HANDSHAKE
:
1013 return APPLICATION_DATA
;
1014 case APPLICATION_DATA
:
1017 return CONNECTION_DONE
;
1018 case CONNECTION_DONE
:
1019 TEST_error("Trying to progress after connection done");
1025 static void do_connect_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
,
1026 connect_phase_t phase
)
1030 do_handshake_step(peer
);
1032 case RENEG_APPLICATION_DATA
:
1033 do_app_data_step(peer
);
1036 do_reneg_setup_step(test_ctx
, peer
);
1038 case RENEG_HANDSHAKE
:
1039 do_handshake_step(peer
);
1041 case APPLICATION_DATA
:
1042 do_app_data_step(peer
);
1045 do_shutdown_step(peer
);
1047 case CONNECTION_DONE
:
1048 TEST_error("Action after connection done");
1054 /* Both parties succeeded. */
1056 /* Client errored. */
1058 /* Server errored. */
1060 /* Peers are in inconsistent state. */
1062 /* One or both peers not done. */
1064 } handshake_status_t
;
1067 * Determine the handshake outcome.
1068 * last_status: the status of the peer to have acted last.
1069 * previous_status: the status of the peer that didn't act last.
1070 * client_spoke_last: 1 if the client went last.
1072 static handshake_status_t
handshake_status(peer_status_t last_status
,
1073 peer_status_t previous_status
,
1074 int client_spoke_last
)
1076 switch (last_status
) {
1077 case PEER_TEST_FAILURE
:
1078 return INTERNAL_ERROR
;
1081 /* Shouldn't ever happen */
1082 return INTERNAL_ERROR
;
1085 switch (previous_status
) {
1086 case PEER_TEST_FAILURE
:
1087 return INTERNAL_ERROR
;
1089 /* Both succeeded. */
1090 return HANDSHAKE_SUCCESS
;
1093 /* Let the first peer finish. */
1094 return HANDSHAKE_RETRY
;
1097 * Second peer succeeded despite the fact that the first peer
1098 * already errored. This shouldn't happen.
1100 return INTERNAL_ERROR
;
1104 return HANDSHAKE_RETRY
;
1107 switch (previous_status
) {
1108 case PEER_TEST_FAILURE
:
1109 return INTERNAL_ERROR
;
1111 /* The client failed immediately before sending the ClientHello */
1112 return client_spoke_last
? CLIENT_ERROR
: INTERNAL_ERROR
;
1115 * First peer succeeded but second peer errored.
1116 * TODO(emilia): we should be able to continue here (with some
1117 * application data?) to ensure the first peer receives the
1118 * alert / close_notify.
1119 * (No tests currently exercise this branch.)
1121 return client_spoke_last
? CLIENT_ERROR
: SERVER_ERROR
;
1123 /* We errored; let the peer finish. */
1124 return HANDSHAKE_RETRY
;
1126 /* Both peers errored. Return the one that errored first. */
1127 return client_spoke_last
? SERVER_ERROR
: CLIENT_ERROR
;
1130 /* Control should never reach here. */
1131 return INTERNAL_ERROR
;
1134 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
1135 static char *dup_str(const unsigned char *in
, size_t len
)
1142 /* Assert that the string does not contain NUL-bytes. */
1143 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in
), len
), len
))
1144 TEST_ptr(ret
= OPENSSL_strndup((const char*)(in
), len
));
1148 static int pkey_type(EVP_PKEY
*pkey
)
1150 int nid
= EVP_PKEY_id(pkey
);
1152 #ifndef OPENSSL_NO_EC
1153 if (nid
== EVP_PKEY_EC
) {
1154 const EC_KEY
*ec
= EVP_PKEY_get0_EC_KEY(pkey
);
1155 return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
1161 static int peer_pkey_type(SSL
*s
)
1163 X509
*x
= SSL_get_peer_certificate(s
);
1166 int nid
= pkey_type(X509_get0_pubkey(x
));
1174 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1175 static int set_sock_as_sctp(int sock
)
1178 * For SCTP we have to set various options on the socket prior to
1179 * connecting. This is done automatically by BIO_new_dgram_sctp().
1180 * We don't actually need the created BIO though so we free it again
1183 BIO
*tmpbio
= BIO_new_dgram_sctp(sock
, BIO_NOCLOSE
);
1192 static int create_sctp_socks(int *ssock
, int *csock
)
1194 BIO_ADDRINFO
*res
= NULL
;
1195 const BIO_ADDRINFO
*ai
= NULL
;
1196 int lsock
= INVALID_SOCKET
, asock
= INVALID_SOCKET
;
1197 int consock
= INVALID_SOCKET
;
1201 if (BIO_sock_init() != 1)
1205 * Port is 4463. It could be anything. It will fail if it's already being
1206 * used for some other SCTP service. It seems unlikely though so we don't
1207 * worry about it here.
1209 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_SERVER
, family
, SOCK_STREAM
,
1210 IPPROTO_SCTP
, &res
))
1213 for (ai
= res
; ai
!= NULL
; ai
= BIO_ADDRINFO_next(ai
)) {
1214 family
= BIO_ADDRINFO_family(ai
);
1215 lsock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1216 if (lsock
== INVALID_SOCKET
) {
1217 /* Maybe the kernel doesn't support the socket family, even if
1218 * BIO_lookup() added it in the returned result...
1223 if (!set_sock_as_sctp(lsock
)
1224 || !BIO_listen(lsock
, BIO_ADDRINFO_address(ai
),
1225 BIO_SOCK_REUSEADDR
)) {
1226 BIO_closesocket(lsock
);
1227 lsock
= INVALID_SOCKET
;
1231 /* Success, don't try any more addresses */
1235 if (lsock
== INVALID_SOCKET
)
1238 BIO_ADDRINFO_free(res
);
1241 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_CLIENT
, family
, SOCK_STREAM
,
1242 IPPROTO_SCTP
, &res
))
1245 consock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1246 if (consock
== INVALID_SOCKET
)
1249 if (!set_sock_as_sctp(consock
)
1250 || !BIO_connect(consock
, BIO_ADDRINFO_address(res
), 0)
1251 || !BIO_socket_nbio(consock
, 1))
1254 asock
= BIO_accept_ex(lsock
, NULL
, BIO_SOCK_NONBLOCK
);
1255 if (asock
== INVALID_SOCKET
)
1260 consock
= asock
= INVALID_SOCKET
;
1264 BIO_ADDRINFO_free(res
);
1265 if (consock
!= INVALID_SOCKET
)
1266 BIO_closesocket(consock
);
1267 if (lsock
!= INVALID_SOCKET
)
1268 BIO_closesocket(lsock
);
1269 if (asock
!= INVALID_SOCKET
)
1270 BIO_closesocket(asock
);
1276 * Note that |extra| points to the correct client/server configuration
1277 * within |test_ctx|. When configuring the handshake, general mode settings
1278 * are taken from |test_ctx|, and client/server-specific settings should be
1279 * taken from |extra|.
1281 * The configuration code should never reach into |test_ctx->extra| or
1282 * |test_ctx->resume_extra| directly.
1284 * (We could refactor test mode settings into a substructure. This would result
1285 * in cleaner argument passing but would complicate the test configuration
1288 static HANDSHAKE_RESULT
*do_handshake_internal(
1289 SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
, SSL_CTX
*client_ctx
,
1290 const SSL_TEST_CTX
*test_ctx
, const SSL_TEST_EXTRA_CONF
*extra
,
1291 SSL_SESSION
*session_in
, SSL_SESSION
**session_out
)
1293 PEER server
, client
;
1294 BIO
*client_to_server
= NULL
, *server_to_client
= NULL
;
1295 HANDSHAKE_EX_DATA server_ex_data
, client_ex_data
;
1296 CTX_DATA client_ctx_data
, server_ctx_data
, server2_ctx_data
;
1297 HANDSHAKE_RESULT
*ret
= HANDSHAKE_RESULT_new();
1298 int client_turn
= 1, client_turn_count
= 0;
1299 connect_phase_t phase
= HANDSHAKE
;
1300 handshake_status_t status
= HANDSHAKE_RETRY
;
1301 const unsigned char* tick
= NULL
;
1302 size_t tick_len
= 0;
1303 SSL_SESSION
* sess
= NULL
;
1304 const unsigned char *proto
= NULL
;
1305 /* API dictates unsigned int rather than size_t. */
1306 unsigned int proto_len
= 0;
1308 const STACK_OF(X509_NAME
) *names
;
1314 memset(&server_ctx_data
, 0, sizeof(server_ctx_data
));
1315 memset(&server2_ctx_data
, 0, sizeof(server2_ctx_data
));
1316 memset(&client_ctx_data
, 0, sizeof(client_ctx_data
));
1317 memset(&server
, 0, sizeof(server
));
1318 memset(&client
, 0, sizeof(client
));
1319 memset(&server_ex_data
, 0, sizeof(server_ex_data
));
1320 memset(&client_ex_data
, 0, sizeof(client_ex_data
));
1322 if (!configure_handshake_ctx(server_ctx
, server2_ctx
, client_ctx
,
1323 test_ctx
, extra
, &server_ctx_data
,
1324 &server2_ctx_data
, &client_ctx_data
)) {
1325 TEST_note("configure_handshake_ctx");
1329 /* Setup SSL and buffers; additional configuration happens below. */
1330 if (!create_peer(&server
, server_ctx
)) {
1331 TEST_note("creating server context");
1334 if (!create_peer(&client
, client_ctx
)) {
1335 TEST_note("creating client context");
1339 server
.bytes_to_write
= client
.bytes_to_read
= test_ctx
->app_data_size
;
1340 client
.bytes_to_write
= server
.bytes_to_read
= test_ctx
->app_data_size
;
1342 configure_handshake_ssl(server
.ssl
, client
.ssl
, extra
);
1343 if (session_in
!= NULL
) {
1344 /* In case we're testing resumption without tickets. */
1345 if (!TEST_true(SSL_CTX_add_session(server_ctx
, session_in
))
1346 || !TEST_true(SSL_set_session(client
.ssl
, session_in
)))
1350 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1352 if (test_ctx
->use_sctp
) {
1353 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1356 if (create_sctp_socks(&ssock
, &csock
)) {
1357 client_to_server
= BIO_new_dgram_sctp(csock
, BIO_CLOSE
);
1358 server_to_client
= BIO_new_dgram_sctp(ssock
, BIO_CLOSE
);
1362 client_to_server
= BIO_new(BIO_s_mem());
1363 server_to_client
= BIO_new(BIO_s_mem());
1366 if (!TEST_ptr(client_to_server
)
1367 || !TEST_ptr(server_to_client
))
1370 /* Non-blocking bio. */
1371 BIO_set_nbio(client_to_server
, 1);
1372 BIO_set_nbio(server_to_client
, 1);
1374 SSL_set_connect_state(client
.ssl
);
1375 SSL_set_accept_state(server
.ssl
);
1377 /* The bios are now owned by the SSL object. */
1378 if (test_ctx
->use_sctp
) {
1379 SSL_set_bio(client
.ssl
, client_to_server
, client_to_server
);
1380 SSL_set_bio(server
.ssl
, server_to_client
, server_to_client
);
1382 SSL_set_bio(client
.ssl
, server_to_client
, client_to_server
);
1383 if (!TEST_int_gt(BIO_up_ref(server_to_client
), 0)
1384 || !TEST_int_gt(BIO_up_ref(client_to_server
), 0))
1386 SSL_set_bio(server
.ssl
, client_to_server
, server_to_client
);
1389 ex_data_idx
= SSL_get_ex_new_index(0, "ex data", NULL
, NULL
, NULL
);
1390 if (!TEST_int_ge(ex_data_idx
, 0)
1391 || !TEST_int_eq(SSL_set_ex_data(server
.ssl
, ex_data_idx
, &server_ex_data
), 1)
1392 || !TEST_int_eq(SSL_set_ex_data(client
.ssl
, ex_data_idx
, &client_ex_data
), 1))
1395 SSL_set_info_callback(server
.ssl
, &info_cb
);
1396 SSL_set_info_callback(client
.ssl
, &info_cb
);
1398 client
.status
= PEER_RETRY
;
1399 server
.status
= PEER_WAITING
;
1404 * Half-duplex handshake loop.
1405 * Client and server speak to each other synchronously in the same process.
1406 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1407 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1408 * The handshake succeeds once both peers have succeeded. If one peer
1409 * errors out, we also let the other peer retry (and presumably fail).
1413 do_connect_step(test_ctx
, &client
, phase
);
1414 status
= handshake_status(client
.status
, server
.status
,
1415 1 /* client went last */);
1416 if (server
.status
== PEER_WAITING
)
1417 server
.status
= PEER_RETRY
;
1419 do_connect_step(test_ctx
, &server
, phase
);
1420 status
= handshake_status(server
.status
, client
.status
,
1421 0 /* server went last */);
1425 case HANDSHAKE_SUCCESS
:
1426 client_turn_count
= 0;
1427 phase
= next_phase(test_ctx
, phase
);
1428 if (phase
== CONNECTION_DONE
) {
1429 ret
->result
= SSL_TEST_SUCCESS
;
1432 client
.status
= server
.status
= PEER_RETRY
;
1434 * For now, client starts each phase. Since each phase is
1435 * started separately, we can later control this more
1436 * precisely, for example, to test client-initiated and
1437 * server-initiated shutdown.
1443 ret
->result
= SSL_TEST_CLIENT_FAIL
;
1446 ret
->result
= SSL_TEST_SERVER_FAIL
;
1448 case INTERNAL_ERROR
:
1449 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1451 case HANDSHAKE_RETRY
:
1452 if (test_ctx
->use_sctp
) {
1453 if (time(NULL
) - start
> 3) {
1455 * We've waited for too long. Give up.
1457 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1461 * With "real" sockets we only swap to processing the peer
1462 * if they are expecting to retry. Otherwise we just retry the
1463 * same endpoint again.
1465 if ((client_turn
&& server
.status
== PEER_RETRY
)
1466 || (!client_turn
&& client
.status
== PEER_RETRY
))
1469 if (client_turn_count
++ >= 2000) {
1471 * At this point, there's been so many PEER_RETRY in a row
1472 * that it's likely both sides are stuck waiting for a read.
1473 * It's time to give up.
1475 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1486 ret
->server_alert_sent
= server_ex_data
.alert_sent
;
1487 ret
->server_num_fatal_alerts_sent
= server_ex_data
.num_fatal_alerts_sent
;
1488 ret
->server_alert_received
= client_ex_data
.alert_received
;
1489 ret
->client_alert_sent
= client_ex_data
.alert_sent
;
1490 ret
->client_num_fatal_alerts_sent
= client_ex_data
.num_fatal_alerts_sent
;
1491 ret
->client_alert_received
= server_ex_data
.alert_received
;
1492 ret
->server_protocol
= SSL_version(server
.ssl
);
1493 ret
->client_protocol
= SSL_version(client
.ssl
);
1494 ret
->servername
= server_ex_data
.servername
;
1495 if ((sess
= SSL_get0_session(client
.ssl
)) != NULL
)
1496 SSL_SESSION_get0_ticket(sess
, &tick
, &tick_len
);
1497 if (tick
== NULL
|| tick_len
== 0)
1498 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_NO
;
1500 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_YES
;
1501 ret
->compression
= (SSL_get_current_compression(client
.ssl
) == NULL
)
1502 ? SSL_TEST_COMPRESSION_NO
1503 : SSL_TEST_COMPRESSION_YES
;
1504 ret
->session_ticket_do_not_call
= server_ex_data
.session_ticket_do_not_call
;
1506 #ifndef OPENSSL_NO_NEXTPROTONEG
1507 SSL_get0_next_proto_negotiated(client
.ssl
, &proto
, &proto_len
);
1508 ret
->client_npn_negotiated
= dup_str(proto
, proto_len
);
1510 SSL_get0_next_proto_negotiated(server
.ssl
, &proto
, &proto_len
);
1511 ret
->server_npn_negotiated
= dup_str(proto
, proto_len
);
1514 SSL_get0_alpn_selected(client
.ssl
, &proto
, &proto_len
);
1515 ret
->client_alpn_negotiated
= dup_str(proto
, proto_len
);
1517 SSL_get0_alpn_selected(server
.ssl
, &proto
, &proto_len
);
1518 ret
->server_alpn_negotiated
= dup_str(proto
, proto_len
);
1520 ret
->client_resumed
= SSL_session_reused(client
.ssl
);
1521 ret
->server_resumed
= SSL_session_reused(server
.ssl
);
1523 if (session_out
!= NULL
)
1524 *session_out
= SSL_get1_session(client
.ssl
);
1526 if (SSL_get_server_tmp_key(client
.ssl
, &tmp_key
)) {
1527 ret
->tmp_key_type
= pkey_type(tmp_key
);
1528 EVP_PKEY_free(tmp_key
);
1531 SSL_get_peer_signature_nid(client
.ssl
, &ret
->server_sign_hash
);
1532 SSL_get_peer_signature_nid(server
.ssl
, &ret
->client_sign_hash
);
1534 SSL_get_peer_signature_type_nid(client
.ssl
, &ret
->server_sign_type
);
1535 SSL_get_peer_signature_type_nid(server
.ssl
, &ret
->client_sign_type
);
1537 names
= SSL_get0_peer_CA_list(client
.ssl
);
1539 ret
->client_ca_names
= NULL
;
1541 ret
->client_ca_names
= SSL_dup_CA_list(names
);
1543 names
= SSL_get0_peer_CA_list(server
.ssl
);
1545 ret
->server_ca_names
= NULL
;
1547 ret
->server_ca_names
= SSL_dup_CA_list(names
);
1549 ret
->server_cert_type
= peer_pkey_type(client
.ssl
);
1550 ret
->client_cert_type
= peer_pkey_type(server
.ssl
);
1552 ctx_data_free_data(&server_ctx_data
);
1553 ctx_data_free_data(&server2_ctx_data
);
1554 ctx_data_free_data(&client_ctx_data
);
1556 peer_free_data(&server
);
1557 peer_free_data(&client
);
1561 HANDSHAKE_RESULT
*do_handshake(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
1562 SSL_CTX
*client_ctx
, SSL_CTX
*resume_server_ctx
,
1563 SSL_CTX
*resume_client_ctx
,
1564 const SSL_TEST_CTX
*test_ctx
)
1566 HANDSHAKE_RESULT
*result
;
1567 SSL_SESSION
*session
= NULL
;
1569 result
= do_handshake_internal(server_ctx
, server2_ctx
, client_ctx
,
1570 test_ctx
, &test_ctx
->extra
,
1573 || test_ctx
->handshake_mode
!= SSL_TEST_HANDSHAKE_RESUME
1574 || result
->result
== SSL_TEST_INTERNAL_ERROR
)
1577 if (result
->result
!= SSL_TEST_SUCCESS
) {
1578 result
->result
= SSL_TEST_FIRST_HANDSHAKE_FAILED
;
1582 HANDSHAKE_RESULT_free(result
);
1583 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1584 result
= do_handshake_internal(resume_server_ctx
, NULL
, resume_client_ctx
,
1585 test_ctx
, &test_ctx
->resume_extra
,
1588 SSL_SESSION_free(session
);