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 "../ssl/ssl_locl.h"
20 #include "internal/sockets.h"
21 #include "internal/nelem.h"
22 #include "handshake_helper.h"
25 HANDSHAKE_RESULT
*HANDSHAKE_RESULT_new()
27 HANDSHAKE_RESULT
*ret
;
29 TEST_ptr(ret
= OPENSSL_zalloc(sizeof(*ret
)));
33 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT
*result
)
37 OPENSSL_free(result
->client_npn_negotiated
);
38 OPENSSL_free(result
->server_npn_negotiated
);
39 OPENSSL_free(result
->client_alpn_negotiated
);
40 OPENSSL_free(result
->server_alpn_negotiated
);
41 sk_X509_NAME_pop_free(result
->server_ca_names
, X509_NAME_free
);
42 sk_X509_NAME_pop_free(result
->client_ca_names
, X509_NAME_free
);
43 OPENSSL_free(result
->cipher
);
48 * Since there appears to be no way to extract the sent/received alert
49 * from the SSL object directly, we use the info callback and stash
50 * the result in ex_data.
52 typedef struct handshake_ex_data_st
{
54 int num_fatal_alerts_sent
;
56 int session_ticket_do_not_call
;
57 ssl_servername_t servername
;
60 typedef struct ctx_data_st
{
61 unsigned char *npn_protocols
;
62 size_t npn_protocols_len
;
63 unsigned char *alpn_protocols
;
64 size_t alpn_protocols_len
;
69 /* |ctx_data| itself is stack-allocated. */
70 static void ctx_data_free_data(CTX_DATA
*ctx_data
)
72 OPENSSL_free(ctx_data
->npn_protocols
);
73 ctx_data
->npn_protocols
= NULL
;
74 OPENSSL_free(ctx_data
->alpn_protocols
);
75 ctx_data
->alpn_protocols
= NULL
;
76 OPENSSL_free(ctx_data
->srp_user
);
77 ctx_data
->srp_user
= NULL
;
78 OPENSSL_free(ctx_data
->srp_password
);
79 ctx_data
->srp_password
= NULL
;
82 static int ex_data_idx
;
84 static void info_cb(const SSL
*s
, int where
, int ret
)
86 if (where
& SSL_CB_ALERT
) {
87 HANDSHAKE_EX_DATA
*ex_data
=
88 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
89 if (where
& SSL_CB_WRITE
) {
90 ex_data
->alert_sent
= ret
;
91 if (strcmp(SSL_alert_type_string(ret
), "F") == 0
92 || strcmp(SSL_alert_desc_string(ret
), "CN") == 0)
93 ex_data
->num_fatal_alerts_sent
++;
95 ex_data
->alert_received
= ret
;
100 /* Select the appropriate server CTX.
101 * Returns SSL_TLSEXT_ERR_OK if a match was found.
102 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
103 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
104 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
106 static int select_server_ctx(SSL
*s
, void *arg
, int ignore
)
108 const char *servername
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
109 HANDSHAKE_EX_DATA
*ex_data
=
110 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
112 if (servername
== NULL
) {
113 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
114 return SSL_TLSEXT_ERR_NOACK
;
117 if (strcmp(servername
, "server2") == 0) {
118 SSL_CTX
*new_ctx
= (SSL_CTX
*)arg
;
119 SSL_set_SSL_CTX(s
, new_ctx
);
121 * Copy over all the SSL_CTX options - reasonable behavior
122 * allows testing of cases where the options between two
123 * contexts differ/conflict
125 SSL_clear_options(s
, 0xFFFFFFFFL
);
126 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
128 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
129 return SSL_TLSEXT_ERR_OK
;
130 } else if (strcmp(servername
, "server1") == 0) {
131 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
132 return SSL_TLSEXT_ERR_OK
;
134 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
135 return SSL_TLSEXT_ERR_NOACK
;
137 /* Don't set an explicit alert, to test library defaults. */
138 return SSL_TLSEXT_ERR_ALERT_FATAL
;
142 static int client_hello_select_server_ctx(SSL
*s
, void *arg
, int ignore
)
144 const char *servername
;
145 const unsigned char *p
;
146 size_t len
, remaining
;
147 HANDSHAKE_EX_DATA
*ex_data
=
148 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
151 * The server_name extension was given too much extensibility when it
152 * was written, so parsing the normal case is a bit complex.
154 if (!SSL_client_hello_get0_ext(s
, TLSEXT_TYPE_server_name
, &p
,
158 /* Extract the length of the supplied list of names. */
161 if (len
+ 2 != remaining
)
165 * The list in practice only has a single element, so we only consider
168 if (remaining
== 0 || *p
++ != TLSEXT_NAMETYPE_host_name
)
171 /* Now we can finally pull out the byte array with the actual hostname. */
176 if (len
+ 2 > remaining
)
179 servername
= (const char *)p
;
181 if (len
== strlen("server2") && strncmp(servername
, "server2", len
) == 0) {
182 SSL_CTX
*new_ctx
= arg
;
183 SSL_set_SSL_CTX(s
, new_ctx
);
185 * Copy over all the SSL_CTX options - reasonable behavior
186 * allows testing of cases where the options between two
187 * contexts differ/conflict
189 SSL_clear_options(s
, 0xFFFFFFFFL
);
190 SSL_set_options(s
, SSL_CTX_get_options(new_ctx
));
192 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER2
;
194 } else if (len
== strlen("server1") &&
195 strncmp(servername
, "server1", len
) == 0) {
196 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
199 ex_data
->servername
= SSL_TEST_SERVERNAME_SERVER1
;
206 * If the server understood the ClientHello extension but
207 * does not recognize the server name, the server SHOULD take one of two
208 * actions: either abort the handshake by sending a fatal-level
209 * unrecognized_name(112) alert or continue the handshake.
211 * This behaviour is up to the application to configure; we test both
212 * configurations to ensure the state machine propagates the result
215 static int servername_ignore_cb(SSL
*s
, int *ad
, void *arg
)
217 return select_server_ctx(s
, arg
, 1);
220 static int servername_reject_cb(SSL
*s
, int *ad
, void *arg
)
222 return select_server_ctx(s
, arg
, 0);
225 static int client_hello_ignore_cb(SSL
*s
, int *al
, void *arg
)
227 if (!client_hello_select_server_ctx(s
, arg
, 1)) {
228 *al
= SSL_AD_UNRECOGNIZED_NAME
;
229 return SSL_CLIENT_HELLO_ERROR
;
231 return SSL_CLIENT_HELLO_SUCCESS
;
234 static int client_hello_reject_cb(SSL
*s
, int *al
, void *arg
)
236 if (!client_hello_select_server_ctx(s
, arg
, 0)) {
237 *al
= SSL_AD_UNRECOGNIZED_NAME
;
238 return SSL_CLIENT_HELLO_ERROR
;
240 return SSL_CLIENT_HELLO_SUCCESS
;
243 static int client_hello_nov12_cb(SSL
*s
, int *al
, void *arg
)
247 const unsigned char *p
;
249 v
= SSL_client_hello_get0_legacy_version(s
);
250 if (v
> TLS1_2_VERSION
|| v
< SSL3_VERSION
) {
251 *al
= SSL_AD_PROTOCOL_VERSION
;
252 return SSL_CLIENT_HELLO_ERROR
;
254 (void)SSL_client_hello_get0_session_id(s
, &p
);
256 SSL_client_hello_get0_random(s
, &p
) == 0 ||
257 SSL_client_hello_get0_ciphers(s
, &p
) == 0 ||
258 SSL_client_hello_get0_compression_methods(s
, &p
) == 0) {
259 *al
= SSL_AD_INTERNAL_ERROR
;
260 return SSL_CLIENT_HELLO_ERROR
;
262 ret
= client_hello_select_server_ctx(s
, arg
, 0);
263 SSL_set_max_proto_version(s
, TLS1_1_VERSION
);
265 *al
= SSL_AD_UNRECOGNIZED_NAME
;
266 return SSL_CLIENT_HELLO_ERROR
;
268 return SSL_CLIENT_HELLO_SUCCESS
;
271 static unsigned char dummy_ocsp_resp_good_val
= 0xff;
272 static unsigned char dummy_ocsp_resp_bad_val
= 0xfe;
274 static int server_ocsp_cb(SSL
*s
, void *arg
)
278 resp
= OPENSSL_malloc(1);
280 return SSL_TLSEXT_ERR_ALERT_FATAL
;
282 * For the purposes of testing we just send back a dummy OCSP response
284 *resp
= *(unsigned char *)arg
;
285 if (!SSL_set_tlsext_status_ocsp_resp(s
, resp
, 1))
286 return SSL_TLSEXT_ERR_ALERT_FATAL
;
288 return SSL_TLSEXT_ERR_OK
;
291 static int client_ocsp_cb(SSL
*s
, void *arg
)
293 const unsigned char *resp
;
296 len
= SSL_get_tlsext_status_ocsp_resp(s
, &resp
);
297 if (len
!= 1 || *resp
!= dummy_ocsp_resp_good_val
)
303 static int verify_reject_cb(X509_STORE_CTX
*ctx
, void *arg
) {
304 X509_STORE_CTX_set_error(ctx
, X509_V_ERR_APPLICATION_VERIFICATION
);
308 static int verify_accept_cb(X509_STORE_CTX
*ctx
, void *arg
) {
312 static int broken_session_ticket_cb(SSL
*s
, unsigned char *key_name
, unsigned char *iv
,
313 EVP_CIPHER_CTX
*ctx
, HMAC_CTX
*hctx
, int enc
)
318 static int do_not_call_session_ticket_cb(SSL
*s
, unsigned char *key_name
,
321 HMAC_CTX
*hctx
, int enc
)
323 HANDSHAKE_EX_DATA
*ex_data
=
324 (HANDSHAKE_EX_DATA
*)(SSL_get_ex_data(s
, ex_data_idx
));
325 ex_data
->session_ticket_do_not_call
= 1;
329 /* Parse the comma-separated list into TLS format. */
330 static int parse_protos(const char *protos
, unsigned char **out
, size_t *outlen
)
332 size_t len
, i
, prefix
;
334 len
= strlen(protos
);
336 /* Should never have reuse. */
337 if (!TEST_ptr_null(*out
)
338 /* Test values are small, so we omit length limit checks. */
339 || !TEST_ptr(*out
= OPENSSL_malloc(len
+ 1)))
344 * foo => '3', 'f', 'o', 'o'
345 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
347 memcpy(*out
+ 1, protos
, len
);
352 if ((*out
)[i
] == ',') {
353 if (!TEST_int_gt(i
- 1, prefix
))
355 (*out
)[prefix
] = (unsigned char)(i
- 1 - prefix
);
360 if (!TEST_int_gt(len
, prefix
))
362 (*out
)[prefix
] = (unsigned char)(len
- prefix
);
371 #ifndef OPENSSL_NO_NEXTPROTONEG
373 * The client SHOULD select the first protocol advertised by the server that it
374 * also supports. In the event that the client doesn't support any of server's
375 * protocols, or the server doesn't advertise any, it SHOULD select the first
376 * protocol that it supports.
378 static int client_npn_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
379 const unsigned char *in
, unsigned int inlen
,
382 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
385 ret
= SSL_select_next_proto(out
, outlen
, in
, inlen
,
386 ctx_data
->npn_protocols
,
387 ctx_data
->npn_protocols_len
);
388 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
389 return TEST_true(ret
== OPENSSL_NPN_NEGOTIATED
|| ret
== OPENSSL_NPN_NO_OVERLAP
)
390 ? SSL_TLSEXT_ERR_OK
: SSL_TLSEXT_ERR_ALERT_FATAL
;
393 static int server_npn_cb(SSL
*s
, const unsigned char **data
,
394 unsigned int *len
, void *arg
)
396 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
397 *data
= ctx_data
->npn_protocols
;
398 *len
= ctx_data
->npn_protocols_len
;
399 return SSL_TLSEXT_ERR_OK
;
404 * The server SHOULD select the most highly preferred protocol that it supports
405 * and that is also advertised by the client. In the event that the server
406 * supports no protocols that the client advertises, then the server SHALL
407 * respond with a fatal "no_application_protocol" alert.
409 static int server_alpn_cb(SSL
*s
, const unsigned char **out
,
410 unsigned char *outlen
, const unsigned char *in
,
411 unsigned int inlen
, void *arg
)
413 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
416 /* SSL_select_next_proto isn't const-correct... */
417 unsigned char *tmp_out
;
420 * The result points either to |in| or to |ctx_data->alpn_protocols|.
421 * The callback is allowed to point to |in| or to a long-lived buffer,
422 * so we can return directly without storing a copy.
424 ret
= SSL_select_next_proto(&tmp_out
, outlen
,
425 ctx_data
->alpn_protocols
,
426 ctx_data
->alpn_protocols_len
, in
, inlen
);
429 /* Unlike NPN, we don't tolerate a mismatch. */
430 return ret
== OPENSSL_NPN_NEGOTIATED
? SSL_TLSEXT_ERR_OK
431 : SSL_TLSEXT_ERR_ALERT_FATAL
;
434 #ifndef OPENSSL_NO_SRP
435 static char *client_srp_cb(SSL
*s
, void *arg
)
437 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
438 return OPENSSL_strdup(ctx_data
->srp_password
);
441 static int server_srp_cb(SSL
*s
, int *ad
, void *arg
)
443 CTX_DATA
*ctx_data
= (CTX_DATA
*)(arg
);
444 if (strcmp(ctx_data
->srp_user
, SSL_get_srp_username(s
)) != 0)
445 return SSL3_AL_FATAL
;
446 if (SSL_set_srp_server_param_pw(s
, ctx_data
->srp_user
,
447 ctx_data
->srp_password
,
448 "2048" /* known group */) < 0) {
449 *ad
= SSL_AD_INTERNAL_ERROR
;
450 return SSL3_AL_FATAL
;
452 return SSL_ERROR_NONE
;
454 #endif /* !OPENSSL_NO_SRP */
457 * Configure callbacks and other properties that can't be set directly
458 * in the server/client CONF.
460 static int configure_handshake_ctx(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
462 const SSL_TEST_CTX
*test
,
463 const SSL_TEST_EXTRA_CONF
*extra
,
464 CTX_DATA
*server_ctx_data
,
465 CTX_DATA
*server2_ctx_data
,
466 CTX_DATA
*client_ctx_data
)
468 unsigned char *ticket_keys
;
469 size_t ticket_key_len
;
471 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx
,
472 test
->max_fragment_size
), 1))
474 if (server2_ctx
!= NULL
) {
475 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx
,
476 test
->max_fragment_size
),
480 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx
,
481 test
->max_fragment_size
), 1))
484 switch (extra
->client
.verify_callback
) {
485 case SSL_TEST_VERIFY_ACCEPT_ALL
:
486 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_accept_cb
, NULL
);
488 case SSL_TEST_VERIFY_REJECT_ALL
:
489 SSL_CTX_set_cert_verify_callback(client_ctx
, &verify_reject_cb
, NULL
);
491 case SSL_TEST_VERIFY_NONE
:
495 switch (extra
->client
.max_fragment_len_mode
) {
496 case TLSEXT_max_fragment_length_512
:
497 case TLSEXT_max_fragment_length_1024
:
498 case TLSEXT_max_fragment_length_2048
:
499 case TLSEXT_max_fragment_length_4096
:
500 case TLSEXT_max_fragment_length_DISABLED
:
501 SSL_CTX_set_tlsext_max_fragment_length(
502 client_ctx
, extra
->client
.max_fragment_len_mode
);
507 * Link the two contexts for SNI purposes.
508 * Also do ClientHello callbacks here, as setting both ClientHello and SNI
511 switch (extra
->server
.servername_callback
) {
512 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH
:
513 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_ignore_cb
);
514 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
516 case SSL_TEST_SERVERNAME_REJECT_MISMATCH
:
517 SSL_CTX_set_tlsext_servername_callback(server_ctx
, servername_reject_cb
);
518 SSL_CTX_set_tlsext_servername_arg(server_ctx
, server2_ctx
);
520 case SSL_TEST_SERVERNAME_CB_NONE
:
522 case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH
:
523 SSL_CTX_set_client_hello_cb(server_ctx
, client_hello_ignore_cb
, server2_ctx
);
525 case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH
:
526 SSL_CTX_set_client_hello_cb(server_ctx
, client_hello_reject_cb
, server2_ctx
);
528 case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12
:
529 SSL_CTX_set_client_hello_cb(server_ctx
, client_hello_nov12_cb
, server2_ctx
);
532 if (extra
->server
.cert_status
!= SSL_TEST_CERT_STATUS_NONE
) {
533 SSL_CTX_set_tlsext_status_type(client_ctx
, TLSEXT_STATUSTYPE_ocsp
);
534 SSL_CTX_set_tlsext_status_cb(client_ctx
, client_ocsp_cb
);
535 SSL_CTX_set_tlsext_status_arg(client_ctx
, NULL
);
536 SSL_CTX_set_tlsext_status_cb(server_ctx
, server_ocsp_cb
);
537 SSL_CTX_set_tlsext_status_arg(server_ctx
,
538 ((extra
->server
.cert_status
== SSL_TEST_CERT_STATUS_GOOD_RESPONSE
)
539 ? &dummy_ocsp_resp_good_val
: &dummy_ocsp_resp_bad_val
));
543 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
544 * session ticket. This ticket_key callback is assigned to the second
545 * session (assigned via SNI), and should never be invoked
547 if (server2_ctx
!= NULL
)
548 SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx
,
549 do_not_call_session_ticket_cb
);
551 if (extra
->server
.broken_session_ticket
) {
552 SSL_CTX_set_tlsext_ticket_key_cb(server_ctx
, broken_session_ticket_cb
);
554 #ifndef OPENSSL_NO_NEXTPROTONEG
555 if (extra
->server
.npn_protocols
!= NULL
) {
556 if (!TEST_true(parse_protos(extra
->server
.npn_protocols
,
557 &server_ctx_data
->npn_protocols
,
558 &server_ctx_data
->npn_protocols_len
)))
560 SSL_CTX_set_npn_advertised_cb(server_ctx
, server_npn_cb
,
563 if (extra
->server2
.npn_protocols
!= NULL
) {
564 if (!TEST_true(parse_protos(extra
->server2
.npn_protocols
,
565 &server2_ctx_data
->npn_protocols
,
566 &server2_ctx_data
->npn_protocols_len
))
567 || !TEST_ptr(server2_ctx
))
569 SSL_CTX_set_npn_advertised_cb(server2_ctx
, server_npn_cb
,
572 if (extra
->client
.npn_protocols
!= NULL
) {
573 if (!TEST_true(parse_protos(extra
->client
.npn_protocols
,
574 &client_ctx_data
->npn_protocols
,
575 &client_ctx_data
->npn_protocols_len
)))
577 SSL_CTX_set_next_proto_select_cb(client_ctx
, client_npn_cb
,
581 if (extra
->server
.alpn_protocols
!= NULL
) {
582 if (!TEST_true(parse_protos(extra
->server
.alpn_protocols
,
583 &server_ctx_data
->alpn_protocols
,
584 &server_ctx_data
->alpn_protocols_len
)))
586 SSL_CTX_set_alpn_select_cb(server_ctx
, server_alpn_cb
, server_ctx_data
);
588 if (extra
->server2
.alpn_protocols
!= NULL
) {
589 if (!TEST_ptr(server2_ctx
)
590 || !TEST_true(parse_protos(extra
->server2
.alpn_protocols
,
591 &server2_ctx_data
->alpn_protocols
,
592 &server2_ctx_data
->alpn_protocols_len
595 SSL_CTX_set_alpn_select_cb(server2_ctx
, server_alpn_cb
,
598 if (extra
->client
.alpn_protocols
!= NULL
) {
599 unsigned char *alpn_protos
= NULL
;
600 size_t alpn_protos_len
;
601 if (!TEST_true(parse_protos(extra
->client
.alpn_protocols
,
602 &alpn_protos
, &alpn_protos_len
))
603 /* Reversed return value convention... */
604 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx
, alpn_protos
,
605 alpn_protos_len
), 0))
607 OPENSSL_free(alpn_protos
);
611 * Use fixed session ticket keys so that we can decrypt a ticket created with
612 * one CTX in another CTX. Don't address server2 for the moment.
614 ticket_key_len
= SSL_CTX_set_tlsext_ticket_keys(server_ctx
, NULL
, 0);
615 if (!TEST_ptr(ticket_keys
= OPENSSL_zalloc(ticket_key_len
))
616 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx
,
618 ticket_key_len
), 1)) {
619 OPENSSL_free(ticket_keys
);
622 OPENSSL_free(ticket_keys
);
624 /* The default log list includes EC keys, so CT can't work without EC. */
625 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
626 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx
)))
628 switch (extra
->client
.ct_validation
) {
629 case SSL_TEST_CT_VALIDATION_PERMISSIVE
:
630 if (!TEST_true(SSL_CTX_enable_ct(client_ctx
,
631 SSL_CT_VALIDATION_PERMISSIVE
)))
634 case SSL_TEST_CT_VALIDATION_STRICT
:
635 if (!TEST_true(SSL_CTX_enable_ct(client_ctx
, SSL_CT_VALIDATION_STRICT
)))
638 case SSL_TEST_CT_VALIDATION_NONE
:
642 #ifndef OPENSSL_NO_SRP
643 if (extra
->server
.srp_user
!= NULL
) {
644 SSL_CTX_set_srp_username_callback(server_ctx
, server_srp_cb
);
645 server_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server
.srp_user
);
646 server_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server
.srp_password
);
647 SSL_CTX_set_srp_cb_arg(server_ctx
, server_ctx_data
);
649 if (extra
->server2
.srp_user
!= NULL
) {
650 if (!TEST_ptr(server2_ctx
))
652 SSL_CTX_set_srp_username_callback(server2_ctx
, server_srp_cb
);
653 server2_ctx_data
->srp_user
= OPENSSL_strdup(extra
->server2
.srp_user
);
654 server2_ctx_data
->srp_password
= OPENSSL_strdup(extra
->server2
.srp_password
);
655 SSL_CTX_set_srp_cb_arg(server2_ctx
, server2_ctx_data
);
657 if (extra
->client
.srp_user
!= NULL
) {
658 if (!TEST_true(SSL_CTX_set_srp_username(client_ctx
,
659 extra
->client
.srp_user
)))
661 SSL_CTX_set_srp_client_pwd_callback(client_ctx
, client_srp_cb
);
662 client_ctx_data
->srp_password
= OPENSSL_strdup(extra
->client
.srp_password
);
663 SSL_CTX_set_srp_cb_arg(client_ctx
, client_ctx_data
);
665 #endif /* !OPENSSL_NO_SRP */
671 /* Configure per-SSL callbacks and other properties. */
672 static void configure_handshake_ssl(SSL
*server
, SSL
*client
,
673 const SSL_TEST_EXTRA_CONF
*extra
)
675 if (extra
->client
.servername
!= SSL_TEST_SERVERNAME_NONE
)
676 SSL_set_tlsext_host_name(client
,
677 ssl_servername_name(extra
->client
.servername
));
678 if (extra
->client
.force_pha
)
679 SSL_force_post_handshake_auth(client
);
682 /* The status for each connection phase. */
691 /* An SSL object and associated read-write buffers. */
692 typedef struct peer_st
{
694 /* Buffer lengths are int to match the SSL read/write API. */
695 unsigned char *write_buf
;
697 unsigned char *read_buf
;
701 peer_status_t status
;
704 static int create_peer(PEER
*peer
, SSL_CTX
*ctx
)
706 static const int peer_buffer_size
= 64 * 1024;
708 unsigned char *read_buf
= NULL
, *write_buf
= NULL
;
710 if (!TEST_ptr(ssl
= SSL_new(ctx
))
711 || !TEST_ptr(write_buf
= OPENSSL_zalloc(peer_buffer_size
))
712 || !TEST_ptr(read_buf
= OPENSSL_zalloc(peer_buffer_size
)))
716 peer
->write_buf
= write_buf
;
717 peer
->read_buf
= read_buf
;
718 peer
->write_buf_len
= peer
->read_buf_len
= peer_buffer_size
;
722 OPENSSL_free(write_buf
);
723 OPENSSL_free(read_buf
);
727 static void peer_free_data(PEER
*peer
)
730 OPENSSL_free(peer
->write_buf
);
731 OPENSSL_free(peer
->read_buf
);
735 * Note that we could do the handshake transparently under an SSL_write,
736 * but separating the steps is more helpful for debugging test failures.
738 static void do_handshake_step(PEER
*peer
)
740 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
741 peer
->status
= PEER_TEST_FAILURE
;
743 int ret
= SSL_do_handshake(peer
->ssl
);
746 peer
->status
= PEER_SUCCESS
;
747 } else if (ret
== 0) {
748 peer
->status
= PEER_ERROR
;
750 int error
= SSL_get_error(peer
->ssl
, ret
);
751 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
752 if (error
!= SSL_ERROR_WANT_READ
)
753 peer
->status
= PEER_ERROR
;
759 * Send/receive some application data. The read-write sequence is
760 * Peer A: (R) W - first read will yield no data
767 static void do_app_data_step(PEER
*peer
)
769 int ret
= 1, write_bytes
;
771 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
772 peer
->status
= PEER_TEST_FAILURE
;
776 /* We read everything available... */
777 while (ret
> 0 && peer
->bytes_to_read
) {
778 ret
= SSL_read(peer
->ssl
, peer
->read_buf
, peer
->read_buf_len
);
780 if (!TEST_int_le(ret
, peer
->bytes_to_read
)) {
781 peer
->status
= PEER_TEST_FAILURE
;
784 peer
->bytes_to_read
-= ret
;
785 } else if (ret
== 0) {
786 peer
->status
= PEER_ERROR
;
789 int error
= SSL_get_error(peer
->ssl
, ret
);
790 if (error
!= SSL_ERROR_WANT_READ
) {
791 peer
->status
= PEER_ERROR
;
793 } /* Else continue with write. */
797 /* ... but we only write one write-buffer-full of data. */
798 write_bytes
= peer
->bytes_to_write
< peer
->write_buf_len
? peer
->bytes_to_write
:
801 ret
= SSL_write(peer
->ssl
, peer
->write_buf
, write_bytes
);
803 /* SSL_write will only succeed with a complete write. */
804 if (!TEST_int_eq(ret
, write_bytes
)) {
805 peer
->status
= PEER_TEST_FAILURE
;
808 peer
->bytes_to_write
-= ret
;
811 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
812 * but this doesn't yet occur with current app data sizes.
814 peer
->status
= PEER_ERROR
;
820 * We could simply finish when there was nothing to read, and we have
821 * nothing left to write. But keeping track of the expected number of bytes
822 * to read gives us somewhat better guarantees that all data sent is in fact
825 if (!peer
->bytes_to_write
&& !peer
->bytes_to_read
) {
826 peer
->status
= PEER_SUCCESS
;
830 static void do_reneg_setup_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
)
835 if (peer
->status
== PEER_SUCCESS
) {
837 * We are a client that succeeded this step previously, but the server
838 * wanted to retry. Probably there is a no_renegotiation warning alert
839 * waiting for us. Attempt to continue the handshake.
841 peer
->status
= PEER_RETRY
;
842 do_handshake_step(peer
);
846 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)
847 || !TEST_true(test_ctx
->handshake_mode
848 == SSL_TEST_HANDSHAKE_RENEG_SERVER
849 || test_ctx
->handshake_mode
850 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
851 || test_ctx
->handshake_mode
852 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
853 || test_ctx
->handshake_mode
854 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
855 || test_ctx
->handshake_mode
856 == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH
)) {
857 peer
->status
= PEER_TEST_FAILURE
;
861 /* Reset the count of the amount of app data we need to read/write */
862 peer
->bytes_to_write
= peer
->bytes_to_read
= test_ctx
->app_data_size
;
864 /* Check if we are the peer that is going to initiate */
865 if ((test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_SERVER
866 && SSL_is_server(peer
->ssl
))
867 || (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_RENEG_CLIENT
868 && !SSL_is_server(peer
->ssl
))) {
870 * If we already asked for a renegotiation then fall through to the
873 if (!SSL_renegotiate_pending(peer
->ssl
)) {
875 * If we are the client we will always attempt to resume the
876 * session. The server may or may not resume dependent on the
877 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
879 if (SSL_is_server(peer
->ssl
)) {
880 ret
= SSL_renegotiate(peer
->ssl
);
882 if (test_ctx
->extra
.client
.reneg_ciphers
!= NULL
) {
883 if (!SSL_set_cipher_list(peer
->ssl
,
884 test_ctx
->extra
.client
.reneg_ciphers
)) {
885 peer
->status
= PEER_ERROR
;
888 ret
= SSL_renegotiate(peer
->ssl
);
890 ret
= SSL_renegotiate_abbreviated(peer
->ssl
);
894 peer
->status
= PEER_ERROR
;
897 do_handshake_step(peer
);
899 * If status is PEER_RETRY it means we're waiting on the peer to
900 * continue the handshake. As far as setting up the renegotiation is
901 * concerned that is a success. The next step will continue the
902 * handshake to its conclusion.
904 * If status is PEER_SUCCESS then we are the server and we have
905 * successfully sent the HelloRequest. We need to continue to wait
906 * until the handshake arrives from the client.
908 if (peer
->status
== PEER_RETRY
)
909 peer
->status
= PEER_SUCCESS
;
910 else if (peer
->status
== PEER_SUCCESS
)
911 peer
->status
= PEER_RETRY
;
914 } else if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
915 || test_ctx
->handshake_mode
916 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
) {
917 if (SSL_is_server(peer
->ssl
)
918 != (test_ctx
->handshake_mode
919 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
)) {
920 peer
->status
= PEER_SUCCESS
;
924 ret
= SSL_key_update(peer
->ssl
, test_ctx
->key_update_type
);
926 peer
->status
= PEER_ERROR
;
929 do_handshake_step(peer
);
931 * This is a one step handshake. We shouldn't get anything other than
934 if (peer
->status
!= PEER_SUCCESS
)
935 peer
->status
= PEER_ERROR
;
937 } else if (test_ctx
->handshake_mode
== SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH
) {
938 if (SSL_is_server(peer
->ssl
)) {
939 /* Make the server believe it's received the extension */
940 if (test_ctx
->extra
.server
.force_pha
)
941 peer
->ssl
->post_handshake_auth
= SSL_PHA_EXT_RECEIVED
;
942 ret
= SSL_verify_client_post_handshake(peer
->ssl
);
944 peer
->status
= PEER_ERROR
;
948 do_handshake_step(peer
);
950 * This is a one step handshake. We shouldn't get anything other than
953 if (peer
->status
!= PEER_SUCCESS
)
954 peer
->status
= PEER_ERROR
;
959 * The SSL object is still expecting app data, even though it's going to
960 * get a handshake message. We try to read, and it should fail - after which
961 * we should be in a handshake
963 ret
= SSL_read(peer
->ssl
, &buf
, sizeof(buf
));
966 * We're not actually expecting data - we're expecting a reneg to
969 peer
->status
= PEER_ERROR
;
972 int error
= SSL_get_error(peer
->ssl
, ret
);
973 if (error
!= SSL_ERROR_WANT_READ
) {
974 peer
->status
= PEER_ERROR
;
977 /* If we're not in init yet then we're not done with setup yet */
978 if (!SSL_in_init(peer
->ssl
))
982 peer
->status
= PEER_SUCCESS
;
989 * Note that as of TLS 1.1,
990 * failure to properly close a connection no longer requires that a
991 * session not be resumed. This is a change from TLS 1.0 to conform
992 * with widespread implementation practice.
995 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
996 * (b) We test lower versions, too.
997 * So we just implement shutdown. We do a full bidirectional shutdown so that we
998 * can compare sent and received close_notify alerts and get some test coverage
999 * for SSL_shutdown as a bonus.
1001 static void do_shutdown_step(PEER
*peer
)
1005 if (!TEST_int_eq(peer
->status
, PEER_RETRY
)) {
1006 peer
->status
= PEER_TEST_FAILURE
;
1009 ret
= SSL_shutdown(peer
->ssl
);
1012 peer
->status
= PEER_SUCCESS
;
1013 } else if (ret
< 0) { /* On 0, we retry. */
1014 int error
= SSL_get_error(peer
->ssl
, ret
);
1016 if (error
!= SSL_ERROR_WANT_READ
&& error
!= SSL_ERROR_WANT_WRITE
)
1017 peer
->status
= PEER_ERROR
;
1023 RENEG_APPLICATION_DATA
,
1032 static int renegotiate_op(const SSL_TEST_CTX
*test_ctx
)
1034 switch (test_ctx
->handshake_mode
) {
1035 case SSL_TEST_HANDSHAKE_RENEG_SERVER
:
1036 case SSL_TEST_HANDSHAKE_RENEG_CLIENT
:
1042 static int post_handshake_op(const SSL_TEST_CTX
*test_ctx
)
1044 switch (test_ctx
->handshake_mode
) {
1045 case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
:
1046 case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
:
1047 case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH
:
1054 static connect_phase_t
next_phase(const SSL_TEST_CTX
*test_ctx
,
1055 connect_phase_t phase
)
1059 if (renegotiate_op(test_ctx
) || post_handshake_op(test_ctx
))
1060 return RENEG_APPLICATION_DATA
;
1061 return APPLICATION_DATA
;
1062 case RENEG_APPLICATION_DATA
:
1065 if (post_handshake_op(test_ctx
))
1066 return APPLICATION_DATA
;
1067 return RENEG_HANDSHAKE
;
1068 case RENEG_HANDSHAKE
:
1069 return APPLICATION_DATA
;
1070 case APPLICATION_DATA
:
1073 return CONNECTION_DONE
;
1074 case CONNECTION_DONE
:
1075 TEST_error("Trying to progress after connection done");
1081 static void do_connect_step(const SSL_TEST_CTX
*test_ctx
, PEER
*peer
,
1082 connect_phase_t phase
)
1086 do_handshake_step(peer
);
1088 case RENEG_APPLICATION_DATA
:
1089 do_app_data_step(peer
);
1092 do_reneg_setup_step(test_ctx
, peer
);
1094 case RENEG_HANDSHAKE
:
1095 do_handshake_step(peer
);
1097 case APPLICATION_DATA
:
1098 do_app_data_step(peer
);
1101 do_shutdown_step(peer
);
1103 case CONNECTION_DONE
:
1104 TEST_error("Action after connection done");
1110 /* Both parties succeeded. */
1112 /* Client errored. */
1114 /* Server errored. */
1116 /* Peers are in inconsistent state. */
1118 /* One or both peers not done. */
1120 } handshake_status_t
;
1123 * Determine the handshake outcome.
1124 * last_status: the status of the peer to have acted last.
1125 * previous_status: the status of the peer that didn't act last.
1126 * client_spoke_last: 1 if the client went last.
1128 static handshake_status_t
handshake_status(peer_status_t last_status
,
1129 peer_status_t previous_status
,
1130 int client_spoke_last
)
1132 switch (last_status
) {
1133 case PEER_TEST_FAILURE
:
1134 return INTERNAL_ERROR
;
1137 /* Shouldn't ever happen */
1138 return INTERNAL_ERROR
;
1141 switch (previous_status
) {
1142 case PEER_TEST_FAILURE
:
1143 return INTERNAL_ERROR
;
1145 /* Both succeeded. */
1146 return HANDSHAKE_SUCCESS
;
1149 /* Let the first peer finish. */
1150 return HANDSHAKE_RETRY
;
1153 * Second peer succeeded despite the fact that the first peer
1154 * already errored. This shouldn't happen.
1156 return INTERNAL_ERROR
;
1160 return HANDSHAKE_RETRY
;
1163 switch (previous_status
) {
1164 case PEER_TEST_FAILURE
:
1165 return INTERNAL_ERROR
;
1167 /* The client failed immediately before sending the ClientHello */
1168 return client_spoke_last
? CLIENT_ERROR
: INTERNAL_ERROR
;
1171 * First peer succeeded but second peer errored.
1172 * TODO(emilia): we should be able to continue here (with some
1173 * application data?) to ensure the first peer receives the
1174 * alert / close_notify.
1175 * (No tests currently exercise this branch.)
1177 return client_spoke_last
? CLIENT_ERROR
: SERVER_ERROR
;
1179 /* We errored; let the peer finish. */
1180 return HANDSHAKE_RETRY
;
1182 /* Both peers errored. Return the one that errored first. */
1183 return client_spoke_last
? SERVER_ERROR
: CLIENT_ERROR
;
1186 /* Control should never reach here. */
1187 return INTERNAL_ERROR
;
1190 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
1191 static char *dup_str(const unsigned char *in
, size_t len
)
1198 /* Assert that the string does not contain NUL-bytes. */
1199 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in
), len
), len
))
1200 TEST_ptr(ret
= OPENSSL_strndup((const char*)(in
), len
));
1204 static int pkey_type(EVP_PKEY
*pkey
)
1206 int nid
= EVP_PKEY_id(pkey
);
1208 #ifndef OPENSSL_NO_EC
1209 if (nid
== EVP_PKEY_EC
) {
1210 const EC_KEY
*ec
= EVP_PKEY_get0_EC_KEY(pkey
);
1211 return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
1217 static int peer_pkey_type(SSL
*s
)
1219 X509
*x
= SSL_get_peer_certificate(s
);
1222 int nid
= pkey_type(X509_get0_pubkey(x
));
1230 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1231 static int set_sock_as_sctp(int sock
)
1234 * For SCTP we have to set various options on the socket prior to
1235 * connecting. This is done automatically by BIO_new_dgram_sctp().
1236 * We don't actually need the created BIO though so we free it again
1239 BIO
*tmpbio
= BIO_new_dgram_sctp(sock
, BIO_NOCLOSE
);
1248 static int create_sctp_socks(int *ssock
, int *csock
)
1250 BIO_ADDRINFO
*res
= NULL
;
1251 const BIO_ADDRINFO
*ai
= NULL
;
1252 int lsock
= INVALID_SOCKET
, asock
= INVALID_SOCKET
;
1253 int consock
= INVALID_SOCKET
;
1257 if (BIO_sock_init() != 1)
1261 * Port is 4463. It could be anything. It will fail if it's already being
1262 * used for some other SCTP service. It seems unlikely though so we don't
1263 * worry about it here.
1265 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_SERVER
, family
, SOCK_STREAM
,
1266 IPPROTO_SCTP
, &res
))
1269 for (ai
= res
; ai
!= NULL
; ai
= BIO_ADDRINFO_next(ai
)) {
1270 family
= BIO_ADDRINFO_family(ai
);
1271 lsock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1272 if (lsock
== INVALID_SOCKET
) {
1273 /* Maybe the kernel doesn't support the socket family, even if
1274 * BIO_lookup() added it in the returned result...
1279 if (!set_sock_as_sctp(lsock
)
1280 || !BIO_listen(lsock
, BIO_ADDRINFO_address(ai
),
1281 BIO_SOCK_REUSEADDR
)) {
1282 BIO_closesocket(lsock
);
1283 lsock
= INVALID_SOCKET
;
1287 /* Success, don't try any more addresses */
1291 if (lsock
== INVALID_SOCKET
)
1294 BIO_ADDRINFO_free(res
);
1297 if (!BIO_lookup_ex(NULL
, "4463", BIO_LOOKUP_CLIENT
, family
, SOCK_STREAM
,
1298 IPPROTO_SCTP
, &res
))
1301 consock
= BIO_socket(family
, SOCK_STREAM
, IPPROTO_SCTP
, 0);
1302 if (consock
== INVALID_SOCKET
)
1305 if (!set_sock_as_sctp(consock
)
1306 || !BIO_connect(consock
, BIO_ADDRINFO_address(res
), 0)
1307 || !BIO_socket_nbio(consock
, 1))
1310 asock
= BIO_accept_ex(lsock
, NULL
, BIO_SOCK_NONBLOCK
);
1311 if (asock
== INVALID_SOCKET
)
1316 consock
= asock
= INVALID_SOCKET
;
1320 BIO_ADDRINFO_free(res
);
1321 if (consock
!= INVALID_SOCKET
)
1322 BIO_closesocket(consock
);
1323 if (lsock
!= INVALID_SOCKET
)
1324 BIO_closesocket(lsock
);
1325 if (asock
!= INVALID_SOCKET
)
1326 BIO_closesocket(asock
);
1332 * Note that |extra| points to the correct client/server configuration
1333 * within |test_ctx|. When configuring the handshake, general mode settings
1334 * are taken from |test_ctx|, and client/server-specific settings should be
1335 * taken from |extra|.
1337 * The configuration code should never reach into |test_ctx->extra| or
1338 * |test_ctx->resume_extra| directly.
1340 * (We could refactor test mode settings into a substructure. This would result
1341 * in cleaner argument passing but would complicate the test configuration
1344 static HANDSHAKE_RESULT
*do_handshake_internal(
1345 SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
, SSL_CTX
*client_ctx
,
1346 const SSL_TEST_CTX
*test_ctx
, const SSL_TEST_EXTRA_CONF
*extra
,
1347 SSL_SESSION
*session_in
, SSL_SESSION
**session_out
)
1349 PEER server
, client
;
1350 BIO
*client_to_server
= NULL
, *server_to_client
= NULL
;
1351 HANDSHAKE_EX_DATA server_ex_data
, client_ex_data
;
1352 CTX_DATA client_ctx_data
, server_ctx_data
, server2_ctx_data
;
1353 HANDSHAKE_RESULT
*ret
= HANDSHAKE_RESULT_new();
1354 int client_turn
= 1, client_turn_count
= 0;
1355 connect_phase_t phase
= HANDSHAKE
;
1356 handshake_status_t status
= HANDSHAKE_RETRY
;
1357 const unsigned char* tick
= NULL
;
1358 size_t tick_len
= 0;
1359 const unsigned char* sess_id
= NULL
;
1360 unsigned int sess_id_len
= 0;
1361 SSL_SESSION
* sess
= NULL
;
1362 const unsigned char *proto
= NULL
;
1363 /* API dictates unsigned int rather than size_t. */
1364 unsigned int proto_len
= 0;
1366 const STACK_OF(X509_NAME
) *names
;
1373 memset(&server_ctx_data
, 0, sizeof(server_ctx_data
));
1374 memset(&server2_ctx_data
, 0, sizeof(server2_ctx_data
));
1375 memset(&client_ctx_data
, 0, sizeof(client_ctx_data
));
1376 memset(&server
, 0, sizeof(server
));
1377 memset(&client
, 0, sizeof(client
));
1378 memset(&server_ex_data
, 0, sizeof(server_ex_data
));
1379 memset(&client_ex_data
, 0, sizeof(client_ex_data
));
1381 if (!configure_handshake_ctx(server_ctx
, server2_ctx
, client_ctx
,
1382 test_ctx
, extra
, &server_ctx_data
,
1383 &server2_ctx_data
, &client_ctx_data
)) {
1384 TEST_note("configure_handshake_ctx");
1388 /* Setup SSL and buffers; additional configuration happens below. */
1389 if (!create_peer(&server
, server_ctx
)) {
1390 TEST_note("creating server context");
1393 if (!create_peer(&client
, client_ctx
)) {
1394 TEST_note("creating client context");
1398 server
.bytes_to_write
= client
.bytes_to_read
= test_ctx
->app_data_size
;
1399 client
.bytes_to_write
= server
.bytes_to_read
= test_ctx
->app_data_size
;
1401 configure_handshake_ssl(server
.ssl
, client
.ssl
, extra
);
1402 if (session_in
!= NULL
) {
1403 /* In case we're testing resumption without tickets. */
1404 if (!TEST_true(SSL_CTX_add_session(server_ctx
, session_in
))
1405 || !TEST_true(SSL_set_session(client
.ssl
, session_in
)))
1409 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1411 if (test_ctx
->use_sctp
) {
1412 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1415 if (create_sctp_socks(&ssock
, &csock
)) {
1416 client_to_server
= BIO_new_dgram_sctp(csock
, BIO_CLOSE
);
1417 server_to_client
= BIO_new_dgram_sctp(ssock
, BIO_CLOSE
);
1421 client_to_server
= BIO_new(BIO_s_mem());
1422 server_to_client
= BIO_new(BIO_s_mem());
1425 if (!TEST_ptr(client_to_server
)
1426 || !TEST_ptr(server_to_client
))
1429 /* Non-blocking bio. */
1430 BIO_set_nbio(client_to_server
, 1);
1431 BIO_set_nbio(server_to_client
, 1);
1433 SSL_set_connect_state(client
.ssl
);
1434 SSL_set_accept_state(server
.ssl
);
1436 /* The bios are now owned by the SSL object. */
1437 if (test_ctx
->use_sctp
) {
1438 SSL_set_bio(client
.ssl
, client_to_server
, client_to_server
);
1439 SSL_set_bio(server
.ssl
, server_to_client
, server_to_client
);
1441 SSL_set_bio(client
.ssl
, server_to_client
, client_to_server
);
1442 if (!TEST_int_gt(BIO_up_ref(server_to_client
), 0)
1443 || !TEST_int_gt(BIO_up_ref(client_to_server
), 0))
1445 SSL_set_bio(server
.ssl
, client_to_server
, server_to_client
);
1448 ex_data_idx
= SSL_get_ex_new_index(0, "ex data", NULL
, NULL
, NULL
);
1449 if (!TEST_int_ge(ex_data_idx
, 0)
1450 || !TEST_int_eq(SSL_set_ex_data(server
.ssl
, ex_data_idx
, &server_ex_data
), 1)
1451 || !TEST_int_eq(SSL_set_ex_data(client
.ssl
, ex_data_idx
, &client_ex_data
), 1))
1454 SSL_set_info_callback(server
.ssl
, &info_cb
);
1455 SSL_set_info_callback(client
.ssl
, &info_cb
);
1457 client
.status
= PEER_RETRY
;
1458 server
.status
= PEER_WAITING
;
1463 * Half-duplex handshake loop.
1464 * Client and server speak to each other synchronously in the same process.
1465 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1466 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1467 * The handshake succeeds once both peers have succeeded. If one peer
1468 * errors out, we also let the other peer retry (and presumably fail).
1472 do_connect_step(test_ctx
, &client
, phase
);
1473 status
= handshake_status(client
.status
, server
.status
,
1474 1 /* client went last */);
1475 if (server
.status
== PEER_WAITING
)
1476 server
.status
= PEER_RETRY
;
1478 do_connect_step(test_ctx
, &server
, phase
);
1479 status
= handshake_status(server
.status
, client
.status
,
1480 0 /* server went last */);
1484 case HANDSHAKE_SUCCESS
:
1485 client_turn_count
= 0;
1486 phase
= next_phase(test_ctx
, phase
);
1487 if (phase
== CONNECTION_DONE
) {
1488 ret
->result
= SSL_TEST_SUCCESS
;
1491 client
.status
= server
.status
= PEER_RETRY
;
1493 * For now, client starts each phase. Since each phase is
1494 * started separately, we can later control this more
1495 * precisely, for example, to test client-initiated and
1496 * server-initiated shutdown.
1502 ret
->result
= SSL_TEST_CLIENT_FAIL
;
1505 ret
->result
= SSL_TEST_SERVER_FAIL
;
1507 case INTERNAL_ERROR
:
1508 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1510 case HANDSHAKE_RETRY
:
1511 if (test_ctx
->use_sctp
) {
1512 if (time(NULL
) - start
> 3) {
1514 * We've waited for too long. Give up.
1516 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1520 * With "real" sockets we only swap to processing the peer
1521 * if they are expecting to retry. Otherwise we just retry the
1522 * same endpoint again.
1524 if ((client_turn
&& server
.status
== PEER_RETRY
)
1525 || (!client_turn
&& client
.status
== PEER_RETRY
))
1528 if (client_turn_count
++ >= 2000) {
1530 * At this point, there's been so many PEER_RETRY in a row
1531 * that it's likely both sides are stuck waiting for a read.
1532 * It's time to give up.
1534 ret
->result
= SSL_TEST_INTERNAL_ERROR
;
1545 ret
->server_alert_sent
= server_ex_data
.alert_sent
;
1546 ret
->server_num_fatal_alerts_sent
= server_ex_data
.num_fatal_alerts_sent
;
1547 ret
->server_alert_received
= client_ex_data
.alert_received
;
1548 ret
->client_alert_sent
= client_ex_data
.alert_sent
;
1549 ret
->client_num_fatal_alerts_sent
= client_ex_data
.num_fatal_alerts_sent
;
1550 ret
->client_alert_received
= server_ex_data
.alert_received
;
1551 ret
->server_protocol
= SSL_version(server
.ssl
);
1552 ret
->client_protocol
= SSL_version(client
.ssl
);
1553 ret
->servername
= server_ex_data
.servername
;
1554 if ((sess
= SSL_get0_session(client
.ssl
)) != NULL
) {
1555 SSL_SESSION_get0_ticket(sess
, &tick
, &tick_len
);
1556 sess_id
= SSL_SESSION_get_id(sess
, &sess_id_len
);
1558 if (tick
== NULL
|| tick_len
== 0)
1559 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_NO
;
1561 ret
->session_ticket
= SSL_TEST_SESSION_TICKET_YES
;
1562 ret
->compression
= (SSL_get_current_compression(client
.ssl
) == NULL
)
1563 ? SSL_TEST_COMPRESSION_NO
1564 : SSL_TEST_COMPRESSION_YES
;
1565 if (sess_id
== NULL
|| sess_id_len
== 0)
1566 ret
->session_id
= SSL_TEST_SESSION_ID_NO
;
1568 ret
->session_id
= SSL_TEST_SESSION_ID_YES
;
1569 ret
->session_ticket_do_not_call
= server_ex_data
.session_ticket_do_not_call
;
1571 #ifndef OPENSSL_NO_NEXTPROTONEG
1572 SSL_get0_next_proto_negotiated(client
.ssl
, &proto
, &proto_len
);
1573 ret
->client_npn_negotiated
= dup_str(proto
, proto_len
);
1575 SSL_get0_next_proto_negotiated(server
.ssl
, &proto
, &proto_len
);
1576 ret
->server_npn_negotiated
= dup_str(proto
, proto_len
);
1579 SSL_get0_alpn_selected(client
.ssl
, &proto
, &proto_len
);
1580 ret
->client_alpn_negotiated
= dup_str(proto
, proto_len
);
1582 SSL_get0_alpn_selected(server
.ssl
, &proto
, &proto_len
);
1583 ret
->server_alpn_negotiated
= dup_str(proto
, proto_len
);
1585 ret
->client_resumed
= SSL_session_reused(client
.ssl
);
1586 ret
->server_resumed
= SSL_session_reused(server
.ssl
);
1588 cipher
= SSL_CIPHER_get_name(SSL_get_current_cipher(client
.ssl
));
1589 ret
->cipher
= dup_str((const unsigned char*)cipher
, strlen(cipher
));
1591 if (session_out
!= NULL
)
1592 *session_out
= SSL_get1_session(client
.ssl
);
1594 if (SSL_get_server_tmp_key(client
.ssl
, &tmp_key
)) {
1595 ret
->tmp_key_type
= pkey_type(tmp_key
);
1596 EVP_PKEY_free(tmp_key
);
1599 SSL_get_peer_signature_nid(client
.ssl
, &ret
->server_sign_hash
);
1600 SSL_get_peer_signature_nid(server
.ssl
, &ret
->client_sign_hash
);
1602 SSL_get_peer_signature_type_nid(client
.ssl
, &ret
->server_sign_type
);
1603 SSL_get_peer_signature_type_nid(server
.ssl
, &ret
->client_sign_type
);
1605 names
= SSL_get0_peer_CA_list(client
.ssl
);
1607 ret
->client_ca_names
= NULL
;
1609 ret
->client_ca_names
= SSL_dup_CA_list(names
);
1611 names
= SSL_get0_peer_CA_list(server
.ssl
);
1613 ret
->server_ca_names
= NULL
;
1615 ret
->server_ca_names
= SSL_dup_CA_list(names
);
1617 ret
->server_cert_type
= peer_pkey_type(client
.ssl
);
1618 ret
->client_cert_type
= peer_pkey_type(server
.ssl
);
1620 ctx_data_free_data(&server_ctx_data
);
1621 ctx_data_free_data(&server2_ctx_data
);
1622 ctx_data_free_data(&client_ctx_data
);
1624 peer_free_data(&server
);
1625 peer_free_data(&client
);
1629 HANDSHAKE_RESULT
*do_handshake(SSL_CTX
*server_ctx
, SSL_CTX
*server2_ctx
,
1630 SSL_CTX
*client_ctx
, SSL_CTX
*resume_server_ctx
,
1631 SSL_CTX
*resume_client_ctx
,
1632 const SSL_TEST_CTX
*test_ctx
)
1634 HANDSHAKE_RESULT
*result
;
1635 SSL_SESSION
*session
= NULL
;
1637 result
= do_handshake_internal(server_ctx
, server2_ctx
, client_ctx
,
1638 test_ctx
, &test_ctx
->extra
,
1641 || test_ctx
->handshake_mode
!= SSL_TEST_HANDSHAKE_RESUME
1642 || result
->result
== SSL_TEST_INTERNAL_ERROR
)
1645 if (result
->result
!= SSL_TEST_SUCCESS
) {
1646 result
->result
= SSL_TEST_FIRST_HANDSHAKE_FAILED
;
1650 HANDSHAKE_RESULT_free(result
);
1651 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1652 result
= do_handshake_internal(resume_server_ctx
, NULL
, resume_client_ctx
,
1653 test_ctx
, &test_ctx
->resume_extra
,
1656 SSL_SESSION_free(session
);