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 client_hello_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_client_hello_get0_ext(s
, TLSEXT_TYPE_server_name
, &p
,
156 /* Extract the length of the supplied list of names. */
159 if (len
+ 2 != remaining
)
163 * The list in practice only has a single element, so we only consider
166 if (remaining
== 0 || *p
++ != TLSEXT_NAMETYPE_host_name
)
169 /* Now we can finally pull out the byte array with the actual hostname. */
174 if (len
+ 2 > remaining
)
177 servername
= (const char *)p
;
179 if (len
== strlen("server2") && strncmp(servername
, "server2", len
) == 0) {
180 SSL_CTX
*new_ctx
= arg
;
181 SSL_set_SSL_CTX(s
, new_ctx
);
183 * Copy over all the SSL_CTX options - reasonable behavior
184 * allows testing of cases where the options between two
185 * contexts differ/conflict
187 SSL_clear_options(s
, 0xFFFFFFFFL
);
188 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
190 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
192 } else if (len
== strlen("server1") &&
193 strncmp(servername
, "server1", len
) == 0) {
194 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
197 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
204 * If the server understood the ClientHello extension but
205 * does not recognize the server name, the server SHOULD take one of two
206 * actions: either abort the handshake by sending a fatal-level
207 * unrecognized_name(112) alert or continue the handshake.
209 * This behaviour is up to the application to configure; we test both
210 * configurations to ensure the state machine propagates the result
213 static int servername_ignore_cb(SSL
*s
, int *ad
, void *arg
)
215 return select_server_ctx(s
, arg
, 1);
218 static int servername_reject_cb(SSL
*s
, int *ad
, void *arg
)
220 return select_server_ctx(s
, arg
, 0);
223 static int client_hello_ignore_cb(SSL
*s
, int *al
, void *arg
)
225 if (!client_hello_select_server_ctx(s
, arg
, 1)) {
226 *al
= SSL_AD_UNRECOGNIZED_NAME
;
227 return SSL_CLIENT_HELLO_ERROR
;
229 return SSL_CLIENT_HELLO_SUCCESS
;
232 static int client_hello_reject_cb(SSL
*s
, int *al
, void *arg
)
234 if (!client_hello_select_server_ctx(s
, arg
, 0)) {
235 *al
= SSL_AD_UNRECOGNIZED_NAME
;
236 return SSL_CLIENT_HELLO_ERROR
;
238 return SSL_CLIENT_HELLO_SUCCESS
;
241 static int client_hello_nov12_cb(SSL
*s
, int *al
, void *arg
)
245 const unsigned char *p
;
247 v
= SSL_client_hello_get0_legacy_version(s
);
248 if (v
> TLS1_2_VERSION
|| v
< SSL3_VERSION
) {
249 *al
= SSL_AD_PROTOCOL_VERSION
;
250 return SSL_CLIENT_HELLO_ERROR
;
252 (void)SSL_client_hello_get0_session_id(s
, &p
);
254 SSL_client_hello_get0_random(s
, &p
) == 0 ||
255 SSL_client_hello_get0_ciphers(s
, &p
) == 0 ||
256 SSL_client_hello_get0_compression_methods(s
, &p
) == 0) {
257 *al
= SSL_AD_INTERNAL_ERROR
;
258 return SSL_CLIENT_HELLO_ERROR
;
260 ret
= client_hello_select_server_ctx(s
, arg
, 0);
261 SSL_set_max_proto_version(s
, TLS1_1_VERSION
);
263 *al
= SSL_AD_UNRECOGNIZED_NAME
;
264 return SSL_CLIENT_HELLO_ERROR
;
266 return SSL_CLIENT_HELLO_SUCCESS
;
269 static unsigned char dummy_ocsp_resp_good_val
= 0xff;
270 static unsigned char dummy_ocsp_resp_bad_val
= 0xfe;
272 static int server_ocsp_cb(SSL
*s
, void *arg
)
276 resp
= OPENSSL_malloc(1);
278 return SSL_TLSEXT_ERR_ALERT_FATAL
;
280 * For the purposes of testing we just send back a dummy OCSP response
282 *resp
= *(unsigned char *)arg
;
283 if (!SSL_set_tlsext_status_ocsp_resp(s
, resp
, 1))
284 return SSL_TLSEXT_ERR_ALERT_FATAL
;
286 return SSL_TLSEXT_ERR_OK
;
289 static int client_ocsp_cb(SSL
*s
, void *arg
)
291 const unsigned char *resp
;
294 len
= SSL_get_tlsext_status_ocsp_resp(s
, &resp
);
295 if (len
!= 1 || *resp
!= dummy_ocsp_resp_good_val
)
301 static int verify_reject_cb(X509_STORE_CTX
*ctx
, void *arg
) {
302 X509_STORE_CTX_set_error(ctx
, X509_V_ERR_APPLICATION_VERIFICATION
);
306 static int verify_accept_cb(X509_STORE_CTX
*ctx
, void *arg
) {
310 static int broken_session_ticket_cb(SSL
*s
, unsigned char *key_name
, unsigned char *iv
,
311 EVP_CIPHER_CTX
*ctx
, HMAC_CTX
*hctx
, int enc
)
316 static int do_not_call_session_ticket_cb(SSL
*s
, unsigned char *key_name
,
319 HMAC_CTX
*hctx
, int enc
)
321 HANDSHAKE_EX_DATA
*ex_data
=
322 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
323 ex_data
->session_ticket_do_not_call
= 1;
327 /* Parse the comma-separated list into TLS format. */
328 static int parse_protos(const char *protos
, unsigned char **out
, size_t *outlen
)
330 size_t len
, i
, prefix
;
332 len
= strlen(protos
);
334 /* Should never have reuse. */
335 if (!TEST_ptr_null(*out
)
336 /* Test values are small, so we omit length limit checks. */
337 || !TEST_ptr(*out
= OPENSSL_malloc(len
+ 1)))
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 if (!TEST_int_gt(i
- 1, prefix
))
353 (*out
)[prefix
] = i
- 1 - prefix
;
358 if (!TEST_int_gt(len
, prefix
))
360 (*out
)[prefix
] = len
- prefix
;
369 #ifndef OPENSSL_NO_NEXTPROTONEG
371 * The client SHOULD select the first protocol advertised by the server that it
372 * also supports. In the event that the client doesn't support any of server's
373 * protocols, or the server doesn't advertise any, it SHOULD select the first
374 * protocol that it supports.
376 static int client_npn_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
377 const unsigned char *in
, unsigned int inlen
,
380 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
383 ret
= SSL_select_next_proto(out
, outlen
, in
, inlen
,
384 ctx_data
->npn_protocols
,
385 ctx_data
->npn_protocols_len
);
386 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
387 return TEST_true(ret
== OPENSSL_NPN_NEGOTIATED
|| ret
== OPENSSL_NPN_NO_OVERLAP
)
388 ? SSL_TLSEXT_ERR_OK
: SSL_TLSEXT_ERR_ALERT_FATAL
;
391 static int server_npn_cb(SSL
*s
, const unsigned char **data
,
392 unsigned int *len
, void *arg
)
394 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
395 *data
= ctx_data
->npn_protocols
;
396 *len
= ctx_data
->npn_protocols_len
;
397 return SSL_TLSEXT_ERR_OK
;
402 * The server SHOULD select the most highly preferred protocol that it supports
403 * and that is also advertised by the client. In the event that the server
404 * supports no protocols that the client advertises, then the server SHALL
405 * respond with a fatal "no_application_protocol" alert.
407 static int server_alpn_cb(SSL
*s
, const unsigned char **out
,
408 unsigned char *outlen
, const unsigned char *in
,
409 unsigned int inlen
, void *arg
)
411 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
414 /* SSL_select_next_proto isn't const-correct... */
415 unsigned char *tmp_out
;
418 * The result points either to |in| or to |ctx_data->alpn_protocols|.
419 * The callback is allowed to point to |in| or to a long-lived buffer,
420 * so we can return directly without storing a copy.
422 ret
= SSL_select_next_proto(&tmp_out
, outlen
,
423 ctx_data
->alpn_protocols
,
424 ctx_data
->alpn_protocols_len
, in
, inlen
);
427 /* Unlike NPN, we don't tolerate a mismatch. */
428 return ret
== OPENSSL_NPN_NEGOTIATED
? SSL_TLSEXT_ERR_OK
429 : SSL_TLSEXT_ERR_ALERT_FATAL
;
432 #ifndef OPENSSL_NO_SRP
433 static char *client_srp_cb(SSL
*s
, void *arg
)
435 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
436 return OPENSSL_strdup(ctx_data
->srp_password
);
439 static int server_srp_cb(SSL
*s
, int *ad
, void *arg
)
441 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
442 if (strcmp(ctx_data
->srp_user
, SSL_get_srp_username(s
)) != 0)
443 return SSL3_AL_FATAL
;
444 if (SSL_set_srp_server_param_pw(s
, ctx_data
->srp_user
,
445 ctx_data
->srp_password
,
446 "2048" /* known group */) < 0) {
447 *ad
= SSL_AD_INTERNAL_ERROR
;
448 return SSL3_AL_FATAL
;
450 return SSL_ERROR_NONE
;
452 #endif /* !OPENSSL_NO_SRP */
455 * Configure callbacks and other properties that can't be set directly
456 * in the server/client CONF.
458 static int configure_handshake_ctx(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
460 const SSL_TEST_CTX
*test
,
461 const SSL_TEST_EXTRA_CONF
*extra
,
462 CTX_DATA
*server_ctx_data
,
463 CTX_DATA
*server2_ctx_data
,
464 CTX_DATA
*client_ctx_data
)
466 unsigned char *ticket_keys
;
467 size_t ticket_key_len
;
469 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx
,
470 test
->max_fragment_size
), 1))
472 if (server2_ctx
!= NULL
) {
473 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx
,
474 test
->max_fragment_size
),
478 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx
,
479 test
->max_fragment_size
), 1))
482 switch (extra
->client
.verify_callback
) {
483 case SSL_TEST_VERIFY_ACCEPT_ALL
:
484 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_accept_cb
, NULL
);
486 case SSL_TEST_VERIFY_REJECT_ALL
:
487 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_reject_cb
, NULL
);
489 case SSL_TEST_VERIFY_NONE
:
494 * Link the two contexts for SNI purposes.
495 * Also do ClientHello callbacks here, as setting both ClientHello and SNI
498 switch (extra
->server
.servername_callback
) {
499 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH
:
500 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_ignore_cb
);
501 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
503 case SSL_TEST_SERVERNAME_REJECT_MISMATCH
:
504 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_reject_cb
);
505 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
507 case SSL_TEST_SERVERNAME_CB_NONE
:
509 case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH
:
510 SSL_CTX_set_client_hello_cb(server_ctx
, client_hello_ignore_cb
, server2_ctx
);
512 case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH
:
513 SSL_CTX_set_client_hello_cb(server_ctx
, client_hello_reject_cb
, server2_ctx
);
515 case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12
:
516 SSL_CTX_set_client_hello_cb(server_ctx
, client_hello_nov12_cb
, server2_ctx
);
519 if (extra
->server
.cert_status
!= SSL_TEST_CERT_STATUS_NONE
) {
520 SSL_CTX_set_tlsext_status_type(client_ctx
, TLSEXT_STATUSTYPE_ocsp
);
521 SSL_CTX_set_tlsext_status_cb(client_ctx
, client_ocsp_cb
);
522 SSL_CTX_set_tlsext_status_arg(client_ctx
, NULL
);
523 SSL_CTX_set_tlsext_status_cb(server_ctx
, server_ocsp_cb
);
524 SSL_CTX_set_tlsext_status_arg(server_ctx
,
525 ((extra
->server
.cert_status
== SSL_TEST_CERT_STATUS_GOOD_RESPONSE
)
526 ? &dummy_ocsp_resp_good_val
: &dummy_ocsp_resp_bad_val
));
530 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
531 * session ticket. This ticket_key callback is assigned to the second
532 * session (assigned via SNI), and should never be invoked
534 if (server2_ctx
!= NULL
)
535 SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx
,
536 do_not_call_session_ticket_cb
);
538 if (extra
->server
.broken_session_ticket
) {
539 SSL_CTX_set_tlsext_ticket_key_cb(server_ctx
, broken_session_ticket_cb
);
541 #ifndef OPENSSL_NO_NEXTPROTONEG
542 if (extra
->server
.npn_protocols
!= NULL
) {
543 if (!TEST_true(parse_protos(extra
->server
.npn_protocols
,
544 &server_ctx_data
->npn_protocols
,
545 &server_ctx_data
->npn_protocols_len
)))
547 SSL_CTX_set_npn_advertised_cb(server_ctx
, server_npn_cb
,
550 if (extra
->server2
.npn_protocols
!= NULL
) {
551 if (!TEST_true(parse_protos(extra
->server2
.npn_protocols
,
552 &server2_ctx_data
->npn_protocols
,
553 &server2_ctx_data
->npn_protocols_len
))
554 || !TEST_ptr(server2_ctx
))
556 SSL_CTX_set_npn_advertised_cb(server2_ctx
, server_npn_cb
,
559 if (extra
->client
.npn_protocols
!= NULL
) {
560 if (!TEST_true(parse_protos(extra
->client
.npn_protocols
,
561 &client_ctx_data
->npn_protocols
,
562 &client_ctx_data
->npn_protocols_len
)))
564 SSL_CTX_set_next_proto_select_cb(client_ctx
, client_npn_cb
,
568 if (extra
->server
.alpn_protocols
!= NULL
) {
569 if (!TEST_true(parse_protos(extra
->server
.alpn_protocols
,
570 &server_ctx_data
->alpn_protocols
,
571 &server_ctx_data
->alpn_protocols_len
)))
573 SSL_CTX_set_alpn_select_cb(server_ctx
, server_alpn_cb
, server_ctx_data
);
575 if (extra
->server2
.alpn_protocols
!= NULL
) {
576 if (!TEST_ptr(server2_ctx
)
577 || !TEST_true(parse_protos(extra
->server2
.alpn_protocols
,
578 &server2_ctx_data
->alpn_protocols
,
579 &server2_ctx_data
->alpn_protocols_len
582 SSL_CTX_set_alpn_select_cb(server2_ctx
, server_alpn_cb
,
585 if (extra
->client
.alpn_protocols
!= NULL
) {
586 unsigned char *alpn_protos
= NULL
;
587 size_t alpn_protos_len
;
588 if (!TEST_true(parse_protos(extra
->client
.alpn_protocols
,
589 &alpn_protos
, &alpn_protos_len
))
590 /* Reversed return value convention... */
591 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx
, alpn_protos
,
592 alpn_protos_len
), 0))
594 OPENSSL_free(alpn_protos
);
598 * Use fixed session ticket keys so that we can decrypt a ticket created with
599 * one CTX in another CTX. Don't address server2 for the moment.
601 ticket_key_len
= SSL_CTX_set_tlsext_ticket_keys(server_ctx
, NULL
, 0);
602 if (!TEST_ptr(ticket_keys
= OPENSSL_zalloc(ticket_key_len
))
603 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx
,
605 ticket_key_len
), 1)) {
606 OPENSSL_free(ticket_keys
);
609 OPENSSL_free(ticket_keys
);
611 /* The default log list includes EC keys, so CT can't work without EC. */
612 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
613 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx
)))
615 switch (extra
->client
.ct_validation
) {
616 case SSL_TEST_CT_VALIDATION_PERMISSIVE
:
617 if (!TEST_true(SSL_CTX_enable_ct(client_ctx
,
618 SSL_CT_VALIDATION_PERMISSIVE
)))
621 case SSL_TEST_CT_VALIDATION_STRICT
:
622 if (!TEST_true(SSL_CTX_enable_ct(client_ctx
, SSL_CT_VALIDATION_STRICT
)))
625 case SSL_TEST_CT_VALIDATION_NONE
:
629 #ifndef OPENSSL_NO_SRP
630 if (extra
->server
.srp_user
!= NULL
) {
631 SSL_CTX_set_srp_username_callback(server_ctx
, server_srp_cb
);
632 server_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server
.srp_user
);
633 server_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server
.srp_password
);
634 SSL_CTX_set_srp_cb_arg(server_ctx
, server_ctx_data
);
636 if (extra
->server2
.srp_user
!= NULL
) {
637 if (!TEST_ptr(server2_ctx
))
639 SSL_CTX_set_srp_username_callback(server2_ctx
, server_srp_cb
);
640 server2_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server2
.srp_user
);
641 server2_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server2
.srp_password
);
642 SSL_CTX_set_srp_cb_arg(server2_ctx
, server2_ctx_data
);
644 if (extra
->client
.srp_user
!= NULL
) {
645 if (!TEST_true(SSL_CTX_set_srp_username(client_ctx
,
646 extra
->client
.srp_user
)))
648 SSL_CTX_set_srp_client_pwd_callback(client_ctx
, client_srp_cb
);
649 client_ctx_data
->srp_password
= OPENSSL_strdup(extra
->client
.srp_password
);
650 SSL_CTX_set_srp_cb_arg(client_ctx
, client_ctx_data
);
652 #endif /* !OPENSSL_NO_SRP */
658 /* Configure per-SSL callbacks and other properties. */
659 static void configure_handshake_ssl(SSL
*server
, SSL
*client
,
660 const SSL_TEST_EXTRA_CONF
*extra
)
662 if (extra
->client
.servername
!= SSL_TEST_SERVERNAME_NONE
)
663 SSL_set_tlsext_host_name(client
,
664 ssl_servername_name(extra
->client
.servername
));
667 /* The status for each connection phase. */
676 /* An SSL object and associated read-write buffers. */
677 typedef struct peer_st
{
679 /* Buffer lengths are int to match the SSL read/write API. */
680 unsigned char *write_buf
;
682 unsigned char *read_buf
;
686 peer_status_t status
;
689 static int create_peer(PEER
*peer
, SSL_CTX
*ctx
)
691 static const int peer_buffer_size
= 64 * 1024;
693 unsigned char *read_buf
= NULL
, *write_buf
= NULL
;
695 if (!TEST_ptr(ssl
= SSL_new(ctx
))
696 || !TEST_ptr(write_buf
= OPENSSL_zalloc(peer_buffer_size
))
697 || !TEST_ptr(read_buf
= OPENSSL_zalloc(peer_buffer_size
)))
701 peer
->write_buf
= write_buf
;
702 peer
->read_buf
= read_buf
;
703 peer
->write_buf_len
= peer
->read_buf_len
= peer_buffer_size
;
707 OPENSSL_free(write_buf
);
708 OPENSSL_free(read_buf
);
712 static void peer_free_data(PEER
*peer
)
715 OPENSSL_free(peer
->write_buf
);
716 OPENSSL_free(peer
->read_buf
);
720 * Note that we could do the handshake transparently under an SSL_write,
721 * but separating the steps is more helpful for debugging test failures.
723 static void do_handshake_step(PEER
*peer
)
725 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
726 peer
->status
= PEER_TEST_FAILURE
;
728 int ret
= SSL_do_handshake(peer
->ssl
);
731 peer
->status
= PEER_SUCCESS
;
732 } else if (ret
== 0) {
733 peer
->status
= PEER_ERROR
;
735 int error
= SSL_get_error(peer
->ssl
, ret
);
736 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
737 if (error
!= SSL_ERROR_WANT_READ
)
738 peer
->status
= PEER_ERROR
;
744 * Send/receive some application data. The read-write sequence is
745 * Peer A: (R) W - first read will yield no data
752 static void do_app_data_step(PEER
*peer
)
754 int ret
= 1, write_bytes
;
756 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
757 peer
->status
= PEER_TEST_FAILURE
;
761 /* We read everything available... */
762 while (ret
> 0 && peer
->bytes_to_read
) {
763 ret
= SSL_read(peer
->ssl
, peer
->read_buf
, peer
->read_buf_len
);
765 if (!TEST_int_le(ret
, peer
->bytes_to_read
)) {
766 peer
->status
= PEER_TEST_FAILURE
;
769 peer
->bytes_to_read
-= ret
;
770 } else if (ret
== 0) {
771 peer
->status
= PEER_ERROR
;
774 int error
= SSL_get_error(peer
->ssl
, ret
);
775 if (error
!= SSL_ERROR_WANT_READ
) {
776 peer
->status
= PEER_ERROR
;
778 } /* Else continue with write. */
782 /* ... but we only write one write-buffer-full of data. */
783 write_bytes
= peer
->bytes_to_write
< peer
->write_buf_len
? peer
->bytes_to_write
:
786 ret
= SSL_write(peer
->ssl
, peer
->write_buf
, write_bytes
);
788 /* SSL_write will only succeed with a complete write. */
789 if (!TEST_int_eq(ret
, write_bytes
)) {
790 peer
->status
= PEER_TEST_FAILURE
;
793 peer
->bytes_to_write
-= ret
;
796 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
797 * but this doesn't yet occur with current app data sizes.
799 peer
->status
= PEER_ERROR
;
805 * We could simply finish when there was nothing to read, and we have
806 * nothing left to write. But keeping track of the expected number of bytes
807 * to read gives us somewhat better guarantees that all data sent is in fact
810 if (!peer
->bytes_to_write
&& !peer
->bytes_to_read
) {
811 peer
->status
= PEER_SUCCESS
;
815 static void do_reneg_setup_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
)
820 if (peer
->status
== PEER_SUCCESS
) {
822 * We are a client that succeeded this step previously, but the server
823 * wanted to retry. Probably there is a no_renegotiation warning alert
824 * waiting for us. Attempt to continue the handshake.
826 peer
->status
= PEER_RETRY
;
827 do_handshake_step(peer
);
831 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)
832 || !TEST_true(test_ctx
->handshake_mode
833 == SSL_TEST_HANDSHAKE_RENEG_SERVER
834 || test_ctx
->handshake_mode
835 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
836 || test_ctx
->handshake_mode
837 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
838 || test_ctx
->handshake_mode
839 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
)) {
840 peer
->status
= PEER_TEST_FAILURE
;
844 /* Reset the count of the amount of app data we need to read/write */
845 peer
->bytes_to_write
= peer
->bytes_to_read
= test_ctx
->app_data_size
;
847 /* Check if we are the peer that is going to initiate */
848 if ((test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
849 && SSL_is_server(peer
->ssl
))
850 || (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
851 && !SSL_is_server(peer
->ssl
))) {
853 * If we already asked for a renegotiation then fall through to the
856 if (!SSL_renegotiate_pending(peer
->ssl
)) {
858 * If we are the client we will always attempt to resume the
859 * session. The server may or may not resume dependent on the
860 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
862 if (SSL_is_server(peer
->ssl
)) {
863 ret
= SSL_renegotiate(peer
->ssl
);
865 if (test_ctx
->extra
.client
.reneg_ciphers
!= NULL
) {
866 if (!SSL_set_cipher_list(peer
->ssl
,
867 test_ctx
->extra
.client
.reneg_ciphers
)) {
868 peer
->status
= PEER_ERROR
;
871 ret
= SSL_renegotiate(peer
->ssl
);
873 ret
= SSL_renegotiate_abbreviated(peer
->ssl
);
877 peer
->status
= PEER_ERROR
;
880 do_handshake_step(peer
);
882 * If status is PEER_RETRY it means we're waiting on the peer to
883 * continue the handshake. As far as setting up the renegotiation is
884 * concerned that is a success. The next step will continue the
885 * handshake to its conclusion.
887 * If status is PEER_SUCCESS then we are the server and we have
888 * successfully sent the HelloRequest. We need to continue to wait
889 * until the handshake arrives from the client.
891 if (peer
->status
== PEER_RETRY
)
892 peer
->status
= PEER_SUCCESS
;
893 else if (peer
->status
== PEER_SUCCESS
)
894 peer
->status
= PEER_RETRY
;
897 } else if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
898 || test_ctx
->handshake_mode
899 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
) {
900 if (SSL_is_server(peer
->ssl
)
901 != (test_ctx
->handshake_mode
902 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)) {
903 peer
->status
= PEER_SUCCESS
;
907 ret
= SSL_key_update(peer
->ssl
, test_ctx
->key_update_type
);
909 peer
->status
= PEER_ERROR
;
912 do_handshake_step(peer
);
914 * This is a one step handshake. We shouldn't get anything other than
917 if (peer
->status
!= PEER_SUCCESS
)
918 peer
->status
= PEER_ERROR
;
923 * The SSL object is still expecting app data, even though it's going to
924 * get a handshake message. We try to read, and it should fail - after which
925 * we should be in a handshake
927 ret
= SSL_read(peer
->ssl
, &buf
, sizeof(buf
));
930 * We're not actually expecting data - we're expecting a reneg to
933 peer
->status
= PEER_ERROR
;
936 int error
= SSL_get_error(peer
->ssl
, ret
);
937 if (error
!= SSL_ERROR_WANT_READ
) {
938 peer
->status
= PEER_ERROR
;
941 /* If we're not in init yet then we're not done with setup yet */
942 if (!SSL_in_init(peer
->ssl
))
946 peer
->status
= PEER_SUCCESS
;
953 * Note that as of TLS 1.1,
954 * failure to properly close a connection no longer requires that a
955 * session not be resumed. This is a change from TLS 1.0 to conform
956 * with widespread implementation practice.
959 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
960 * (b) We test lower versions, too.
961 * So we just implement shutdown. We do a full bidirectional shutdown so that we
962 * can compare sent and received close_notify alerts and get some test coverage
963 * for SSL_shutdown as a bonus.
965 static void do_shutdown_step(PEER
*peer
)
969 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
970 peer
->status
= PEER_TEST_FAILURE
;
973 ret
= SSL_shutdown(peer
->ssl
);
976 peer
->status
= PEER_SUCCESS
;
977 } else if (ret
< 0) { /* On 0, we retry. */
978 int error
= SSL_get_error(peer
->ssl
, ret
);
980 if (error
!= SSL_ERROR_WANT_READ
&& error
!= SSL_ERROR_WANT_WRITE
)
981 peer
->status
= PEER_ERROR
;
987 RENEG_APPLICATION_DATA
,
995 static connect_phase_t
next_phase(const SSL_TEST_CTX
*test_ctx
,
996 connect_phase_t phase
)
1000 if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
1001 || test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
1002 || test_ctx
->handshake_mode
1003 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
1004 || test_ctx
->handshake_mode
1005 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)
1006 return RENEG_APPLICATION_DATA
;
1007 return APPLICATION_DATA
;
1008 case RENEG_APPLICATION_DATA
:
1011 if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
1012 || test_ctx
->handshake_mode
1013 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
)
1014 return APPLICATION_DATA
;
1015 return RENEG_HANDSHAKE
;
1016 case RENEG_HANDSHAKE
:
1017 return APPLICATION_DATA
;
1018 case APPLICATION_DATA
:
1021 return CONNECTION_DONE
;
1022 case CONNECTION_DONE
:
1023 TEST_error("Trying to progress after connection done");
1029 static void do_connect_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
,
1030 connect_phase_t phase
)
1034 do_handshake_step(peer
);
1036 case RENEG_APPLICATION_DATA
:
1037 do_app_data_step(peer
);
1040 do_reneg_setup_step(test_ctx
, peer
);
1042 case RENEG_HANDSHAKE
:
1043 do_handshake_step(peer
);
1045 case APPLICATION_DATA
:
1046 do_app_data_step(peer
);
1049 do_shutdown_step(peer
);
1051 case CONNECTION_DONE
:
1052 TEST_error("Action after connection done");
1058 /* Both parties succeeded. */
1060 /* Client errored. */
1062 /* Server errored. */
1064 /* Peers are in inconsistent state. */
1066 /* One or both peers not done. */
1068 } handshake_status_t
;
1071 * Determine the handshake outcome.
1072 * last_status: the status of the peer to have acted last.
1073 * previous_status: the status of the peer that didn't act last.
1074 * client_spoke_last: 1 if the client went last.
1076 static handshake_status_t
handshake_status(peer_status_t last_status
,
1077 peer_status_t previous_status
,
1078 int client_spoke_last
)
1080 switch (last_status
) {
1081 case PEER_TEST_FAILURE
:
1082 return INTERNAL_ERROR
;
1085 /* Shouldn't ever happen */
1086 return INTERNAL_ERROR
;
1089 switch (previous_status
) {
1090 case PEER_TEST_FAILURE
:
1091 return INTERNAL_ERROR
;
1093 /* Both succeeded. */
1094 return HANDSHAKE_SUCCESS
;
1097 /* Let the first peer finish. */
1098 return HANDSHAKE_RETRY
;
1101 * Second peer succeeded despite the fact that the first peer
1102 * already errored. This shouldn't happen.
1104 return INTERNAL_ERROR
;
1108 return HANDSHAKE_RETRY
;
1111 switch (previous_status
) {
1112 case PEER_TEST_FAILURE
:
1113 return INTERNAL_ERROR
;
1115 /* The client failed immediately before sending the ClientHello */
1116 return client_spoke_last
? CLIENT_ERROR
: INTERNAL_ERROR
;
1119 * First peer succeeded but second peer errored.
1120 * TODO(emilia): we should be able to continue here (with some
1121 * application data?) to ensure the first peer receives the
1122 * alert / close_notify.
1123 * (No tests currently exercise this branch.)
1125 return client_spoke_last
? CLIENT_ERROR
: SERVER_ERROR
;
1127 /* We errored; let the peer finish. */
1128 return HANDSHAKE_RETRY
;
1130 /* Both peers errored. Return the one that errored first. */
1131 return client_spoke_last
? SERVER_ERROR
: CLIENT_ERROR
;
1134 /* Control should never reach here. */
1135 return INTERNAL_ERROR
;
1138 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
1139 static char *dup_str(const unsigned char *in
, size_t len
)
1146 /* Assert that the string does not contain NUL-bytes. */
1147 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in
), len
), len
))
1148 TEST_ptr(ret
= OPENSSL_strndup((const char*)(in
), len
));
1152 static int pkey_type(EVP_PKEY
*pkey
)
1154 int nid
= EVP_PKEY_id(pkey
);
1156 #ifndef OPENSSL_NO_EC
1157 if (nid
== EVP_PKEY_EC
) {
1158 const EC_KEY
*ec
= EVP_PKEY_get0_EC_KEY(pkey
);
1159 return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
1165 static int peer_pkey_type(SSL
*s
)
1167 X509
*x
= SSL_get_peer_certificate(s
);
1170 int nid
= pkey_type(X509_get0_pubkey(x
));
1178 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1179 static int set_sock_as_sctp(int sock
)
1182 * For SCTP we have to set various options on the socket prior to
1183 * connecting. This is done automatically by BIO_new_dgram_sctp().
1184 * We don't actually need the created BIO though so we free it again
1187 BIO
*tmpbio
= BIO_new_dgram_sctp(sock
, BIO_NOCLOSE
);
1196 static int create_sctp_socks(int *ssock
, int *csock
)
1198 BIO_ADDRINFO
*res
= NULL
;
1199 const BIO_ADDRINFO
*ai
= NULL
;
1200 int lsock
= INVALID_SOCKET
, asock
= INVALID_SOCKET
;
1201 int consock
= INVALID_SOCKET
;
1205 if (BIO_sock_init() != 1)
1209 * Port is 4463. It could be anything. It will fail if it's already being
1210 * used for some other SCTP service. It seems unlikely though so we don't
1211 * worry about it here.
1213 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_SERVER
, family
, SOCK_STREAM
,
1214 IPPROTO_SCTP
, &res
))
1217 for (ai
= res
; ai
!= NULL
; ai
= BIO_ADDRINFO_next(ai
)) {
1218 family
= BIO_ADDRINFO_family(ai
);
1219 lsock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1220 if (lsock
== INVALID_SOCKET
) {
1221 /* Maybe the kernel doesn't support the socket family, even if
1222 * BIO_lookup() added it in the returned result...
1227 if (!set_sock_as_sctp(lsock
)
1228 || !BIO_listen(lsock
, BIO_ADDRINFO_address(ai
),
1229 BIO_SOCK_REUSEADDR
)) {
1230 BIO_closesocket(lsock
);
1231 lsock
= INVALID_SOCKET
;
1235 /* Success, don't try any more addresses */
1239 if (lsock
== INVALID_SOCKET
)
1242 BIO_ADDRINFO_free(res
);
1245 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_CLIENT
, family
, SOCK_STREAM
,
1246 IPPROTO_SCTP
, &res
))
1249 consock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1250 if (consock
== INVALID_SOCKET
)
1253 if (!set_sock_as_sctp(consock
)
1254 || !BIO_connect(consock
, BIO_ADDRINFO_address(res
), 0)
1255 || !BIO_socket_nbio(consock
, 1))
1258 asock
= BIO_accept_ex(lsock
, NULL
, BIO_SOCK_NONBLOCK
);
1259 if (asock
== INVALID_SOCKET
)
1264 consock
= asock
= INVALID_SOCKET
;
1268 BIO_ADDRINFO_free(res
);
1269 if (consock
!= INVALID_SOCKET
)
1270 BIO_closesocket(consock
);
1271 if (lsock
!= INVALID_SOCKET
)
1272 BIO_closesocket(lsock
);
1273 if (asock
!= INVALID_SOCKET
)
1274 BIO_closesocket(asock
);
1280 * Note that |extra| points to the correct client/server configuration
1281 * within |test_ctx|. When configuring the handshake, general mode settings
1282 * are taken from |test_ctx|, and client/server-specific settings should be
1283 * taken from |extra|.
1285 * The configuration code should never reach into |test_ctx->extra| or
1286 * |test_ctx->resume_extra| directly.
1288 * (We could refactor test mode settings into a substructure. This would result
1289 * in cleaner argument passing but would complicate the test configuration
1292 static HANDSHAKE_RESULT
*do_handshake_internal(
1293 SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
, SSL_CTX
*client_ctx
,
1294 const SSL_TEST_CTX
*test_ctx
, const SSL_TEST_EXTRA_CONF
*extra
,
1295 SSL_SESSION
*session_in
, SSL_SESSION
**session_out
)
1297 PEER server
, client
;
1298 BIO
*client_to_server
= NULL
, *server_to_client
= NULL
;
1299 HANDSHAKE_EX_DATA server_ex_data
, client_ex_data
;
1300 CTX_DATA client_ctx_data
, server_ctx_data
, server2_ctx_data
;
1301 HANDSHAKE_RESULT
*ret
= HANDSHAKE_RESULT_new();
1302 int client_turn
= 1, client_turn_count
= 0;
1303 connect_phase_t phase
= HANDSHAKE
;
1304 handshake_status_t status
= HANDSHAKE_RETRY
;
1305 const unsigned char* tick
= NULL
;
1306 size_t tick_len
= 0;
1307 SSL_SESSION
* sess
= NULL
;
1308 const unsigned char *proto
= NULL
;
1309 /* API dictates unsigned int rather than size_t. */
1310 unsigned int proto_len
= 0;
1312 const STACK_OF(X509_NAME
) *names
;
1318 memset(&server_ctx_data
, 0, sizeof(server_ctx_data
));
1319 memset(&server2_ctx_data
, 0, sizeof(server2_ctx_data
));
1320 memset(&client_ctx_data
, 0, sizeof(client_ctx_data
));
1321 memset(&server
, 0, sizeof(server
));
1322 memset(&client
, 0, sizeof(client
));
1323 memset(&server_ex_data
, 0, sizeof(server_ex_data
));
1324 memset(&client_ex_data
, 0, sizeof(client_ex_data
));
1326 if (!configure_handshake_ctx(server_ctx
, server2_ctx
, client_ctx
,
1327 test_ctx
, extra
, &server_ctx_data
,
1328 &server2_ctx_data
, &client_ctx_data
)) {
1329 TEST_note("configure_handshake_ctx");
1333 /* Setup SSL and buffers; additional configuration happens below. */
1334 if (!create_peer(&server
, server_ctx
)) {
1335 TEST_note("creating server context");
1338 if (!create_peer(&client
, client_ctx
)) {
1339 TEST_note("creating client context");
1343 server
.bytes_to_write
= client
.bytes_to_read
= test_ctx
->app_data_size
;
1344 client
.bytes_to_write
= server
.bytes_to_read
= test_ctx
->app_data_size
;
1346 configure_handshake_ssl(server
.ssl
, client
.ssl
, extra
);
1347 if (session_in
!= NULL
) {
1348 /* In case we're testing resumption without tickets. */
1349 if (!TEST_true(SSL_CTX_add_session(server_ctx
, session_in
))
1350 || !TEST_true(SSL_set_session(client
.ssl
, session_in
)))
1354 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1356 if (test_ctx
->use_sctp
) {
1357 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1360 if (create_sctp_socks(&ssock
, &csock
)) {
1361 client_to_server
= BIO_new_dgram_sctp(csock
, BIO_CLOSE
);
1362 server_to_client
= BIO_new_dgram_sctp(ssock
, BIO_CLOSE
);
1366 client_to_server
= BIO_new(BIO_s_mem());
1367 server_to_client
= BIO_new(BIO_s_mem());
1370 if (!TEST_ptr(client_to_server
)
1371 || !TEST_ptr(server_to_client
))
1374 /* Non-blocking bio. */
1375 BIO_set_nbio(client_to_server
, 1);
1376 BIO_set_nbio(server_to_client
, 1);
1378 SSL_set_connect_state(client
.ssl
);
1379 SSL_set_accept_state(server
.ssl
);
1381 /* The bios are now owned by the SSL object. */
1382 if (test_ctx
->use_sctp
) {
1383 SSL_set_bio(client
.ssl
, client_to_server
, client_to_server
);
1384 SSL_set_bio(server
.ssl
, server_to_client
, server_to_client
);
1386 SSL_set_bio(client
.ssl
, server_to_client
, client_to_server
);
1387 if (!TEST_int_gt(BIO_up_ref(server_to_client
), 0)
1388 || !TEST_int_gt(BIO_up_ref(client_to_server
), 0))
1390 SSL_set_bio(server
.ssl
, client_to_server
, server_to_client
);
1393 ex_data_idx
= SSL_get_ex_new_index(0, "ex data", NULL
, NULL
, NULL
);
1394 if (!TEST_int_ge(ex_data_idx
, 0)
1395 || !TEST_int_eq(SSL_set_ex_data(server
.ssl
, ex_data_idx
, &server_ex_data
), 1)
1396 || !TEST_int_eq(SSL_set_ex_data(client
.ssl
, ex_data_idx
, &client_ex_data
), 1))
1399 SSL_set_info_callback(server
.ssl
, &info_cb
);
1400 SSL_set_info_callback(client
.ssl
, &info_cb
);
1402 client
.status
= PEER_RETRY
;
1403 server
.status
= PEER_WAITING
;
1408 * Half-duplex handshake loop.
1409 * Client and server speak to each other synchronously in the same process.
1410 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1411 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1412 * The handshake succeeds once both peers have succeeded. If one peer
1413 * errors out, we also let the other peer retry (and presumably fail).
1417 do_connect_step(test_ctx
, &client
, phase
);
1418 status
= handshake_status(client
.status
, server
.status
,
1419 1 /* client went last */);
1420 if (server
.status
== PEER_WAITING
)
1421 server
.status
= PEER_RETRY
;
1423 do_connect_step(test_ctx
, &server
, phase
);
1424 status
= handshake_status(server
.status
, client
.status
,
1425 0 /* server went last */);
1429 case HANDSHAKE_SUCCESS
:
1430 client_turn_count
= 0;
1431 phase
= next_phase(test_ctx
, phase
);
1432 if (phase
== CONNECTION_DONE
) {
1433 ret
->result
= SSL_TEST_SUCCESS
;
1436 client
.status
= server
.status
= PEER_RETRY
;
1438 * For now, client starts each phase. Since each phase is
1439 * started separately, we can later control this more
1440 * precisely, for example, to test client-initiated and
1441 * server-initiated shutdown.
1447 ret
->result
= SSL_TEST_CLIENT_FAIL
;
1450 ret
->result
= SSL_TEST_SERVER_FAIL
;
1452 case INTERNAL_ERROR
:
1453 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1455 case HANDSHAKE_RETRY
:
1456 if (test_ctx
->use_sctp
) {
1457 if (time(NULL
) - start
> 3) {
1459 * We've waited for too long. Give up.
1461 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1465 * With "real" sockets we only swap to processing the peer
1466 * if they are expecting to retry. Otherwise we just retry the
1467 * same endpoint again.
1469 if ((client_turn
&& server
.status
== PEER_RETRY
)
1470 || (!client_turn
&& client
.status
== PEER_RETRY
))
1473 if (client_turn_count
++ >= 2000) {
1475 * At this point, there's been so many PEER_RETRY in a row
1476 * that it's likely both sides are stuck waiting for a read.
1477 * It's time to give up.
1479 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1490 ret
->server_alert_sent
= server_ex_data
.alert_sent
;
1491 ret
->server_num_fatal_alerts_sent
= server_ex_data
.num_fatal_alerts_sent
;
1492 ret
->server_alert_received
= client_ex_data
.alert_received
;
1493 ret
->client_alert_sent
= client_ex_data
.alert_sent
;
1494 ret
->client_num_fatal_alerts_sent
= client_ex_data
.num_fatal_alerts_sent
;
1495 ret
->client_alert_received
= server_ex_data
.alert_received
;
1496 ret
->server_protocol
= SSL_version(server
.ssl
);
1497 ret
->client_protocol
= SSL_version(client
.ssl
);
1498 ret
->servername
= server_ex_data
.servername
;
1499 if ((sess
= SSL_get0_session(client
.ssl
)) != NULL
)
1500 SSL_SESSION_get0_ticket(sess
, &tick
, &tick_len
);
1501 if (tick
== NULL
|| tick_len
== 0)
1502 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_NO
;
1504 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_YES
;
1505 ret
->compression
= (SSL_get_current_compression(client
.ssl
) == NULL
)
1506 ? SSL_TEST_COMPRESSION_NO
1507 : SSL_TEST_COMPRESSION_YES
;
1508 ret
->session_ticket_do_not_call
= server_ex_data
.session_ticket_do_not_call
;
1510 #ifndef OPENSSL_NO_NEXTPROTONEG
1511 SSL_get0_next_proto_negotiated(client
.ssl
, &proto
, &proto_len
);
1512 ret
->client_npn_negotiated
= dup_str(proto
, proto_len
);
1514 SSL_get0_next_proto_negotiated(server
.ssl
, &proto
, &proto_len
);
1515 ret
->server_npn_negotiated
= dup_str(proto
, proto_len
);
1518 SSL_get0_alpn_selected(client
.ssl
, &proto
, &proto_len
);
1519 ret
->client_alpn_negotiated
= dup_str(proto
, proto_len
);
1521 SSL_get0_alpn_selected(server
.ssl
, &proto
, &proto_len
);
1522 ret
->server_alpn_negotiated
= dup_str(proto
, proto_len
);
1524 ret
->client_resumed
= SSL_session_reused(client
.ssl
);
1525 ret
->server_resumed
= SSL_session_reused(server
.ssl
);
1527 if (session_out
!= NULL
)
1528 *session_out
= SSL_get1_session(client
.ssl
);
1530 if (SSL_get_server_tmp_key(client
.ssl
, &tmp_key
)) {
1531 ret
->tmp_key_type
= pkey_type(tmp_key
);
1532 EVP_PKEY_free(tmp_key
);
1535 SSL_get_peer_signature_nid(client
.ssl
, &ret
->server_sign_hash
);
1536 SSL_get_peer_signature_nid(server
.ssl
, &ret
->client_sign_hash
);
1538 SSL_get_peer_signature_type_nid(client
.ssl
, &ret
->server_sign_type
);
1539 SSL_get_peer_signature_type_nid(server
.ssl
, &ret
->client_sign_type
);
1541 names
= SSL_get0_peer_CA_list(client
.ssl
);
1543 ret
->client_ca_names
= NULL
;
1545 ret
->client_ca_names
= SSL_dup_CA_list(names
);
1547 names
= SSL_get0_peer_CA_list(server
.ssl
);
1549 ret
->server_ca_names
= NULL
;
1551 ret
->server_ca_names
= SSL_dup_CA_list(names
);
1553 ret
->server_cert_type
= peer_pkey_type(client
.ssl
);
1554 ret
->client_cert_type
= peer_pkey_type(server
.ssl
);
1556 ctx_data_free_data(&server_ctx_data
);
1557 ctx_data_free_data(&server2_ctx_data
);
1558 ctx_data_free_data(&client_ctx_data
);
1560 peer_free_data(&server
);
1561 peer_free_data(&client
);
1565 HANDSHAKE_RESULT
*do_handshake(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
1566 SSL_CTX
*client_ctx
, SSL_CTX
*resume_server_ctx
,
1567 SSL_CTX
*resume_client_ctx
,
1568 const SSL_TEST_CTX
*test_ctx
)
1570 HANDSHAKE_RESULT
*result
;
1571 SSL_SESSION
*session
= NULL
;
1573 result
= do_handshake_internal(server_ctx
, server2_ctx
, client_ctx
,
1574 test_ctx
, &test_ctx
->extra
,
1577 || test_ctx
->handshake_mode
!= SSL_TEST_HANDSHAKE_RESUME
1578 || result
->result
== SSL_TEST_INTERNAL_ERROR
)
1581 if (result
->result
!= SSL_TEST_SUCCESS
) {
1582 result
->result
= SSL_TEST_FIRST_HANDSHAKE_FAILED
;
1586 HANDSHAKE_RESULT_free(result
);
1587 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1588 result
= do_handshake_internal(resume_server_ctx
, NULL
, resume_client_ctx
,
1589 test_ctx
, &test_ctx
->resume_extra
,
1592 SSL_SESSION_free(session
);