2 * Copyright 2016-2018 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(void)
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 OPENSSL_free(result->result_session_ticket_app_data);
42 sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free);
43 sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free);
44 OPENSSL_free(result->cipher);
49 * Since there appears to be no way to extract the sent/received alert
50 * from the SSL object directly, we use the info callback and stash
51 * the result in ex_data.
53 typedef struct handshake_ex_data_st {
55 int num_fatal_alerts_sent;
57 int session_ticket_do_not_call;
58 ssl_servername_t servername;
61 typedef struct ctx_data_st {
62 unsigned char *npn_protocols;
63 size_t npn_protocols_len;
64 unsigned char *alpn_protocols;
65 size_t alpn_protocols_len;
68 char *session_ticket_app_data;
71 /* |ctx_data| itself is stack-allocated. */
72 static void ctx_data_free_data(CTX_DATA *ctx_data)
74 OPENSSL_free(ctx_data->npn_protocols);
75 ctx_data->npn_protocols = NULL;
76 OPENSSL_free(ctx_data->alpn_protocols);
77 ctx_data->alpn_protocols = NULL;
78 OPENSSL_free(ctx_data->srp_user);
79 ctx_data->srp_user = NULL;
80 OPENSSL_free(ctx_data->srp_password);
81 ctx_data->srp_password = NULL;
82 OPENSSL_free(ctx_data->session_ticket_app_data);
83 ctx_data->session_ticket_app_data = NULL;
86 static int ex_data_idx;
88 static void info_cb(const SSL *s, int where, int ret)
90 if (where & SSL_CB_ALERT) {
91 HANDSHAKE_EX_DATA *ex_data =
92 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
93 if (where & SSL_CB_WRITE) {
94 ex_data->alert_sent = ret;
95 if (strcmp(SSL_alert_type_string(ret), "F") == 0
96 || strcmp(SSL_alert_desc_string(ret), "CN") == 0)
97 ex_data->num_fatal_alerts_sent++;
99 ex_data->alert_received = ret;
104 /* Select the appropriate server CTX.
105 * Returns SSL_TLSEXT_ERR_OK if a match was found.
106 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
107 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
108 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
110 static int select_server_ctx(SSL *s, void *arg, int ignore)
112 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
113 HANDSHAKE_EX_DATA *ex_data =
114 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
116 if (servername == NULL) {
117 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
118 return SSL_TLSEXT_ERR_NOACK;
121 if (strcmp(servername, "server2") == 0) {
122 SSL_CTX *new_ctx = (SSL_CTX*)arg;
123 SSL_set_SSL_CTX(s, new_ctx);
125 * Copy over all the SSL_CTX options - reasonable behavior
126 * allows testing of cases where the options between two
127 * contexts differ/conflict
129 SSL_clear_options(s, 0xFFFFFFFFL);
130 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
132 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
133 return SSL_TLSEXT_ERR_OK;
134 } else if (strcmp(servername, "server1") == 0) {
135 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
136 return SSL_TLSEXT_ERR_OK;
138 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
139 return SSL_TLSEXT_ERR_NOACK;
141 /* Don't set an explicit alert, to test library defaults. */
142 return SSL_TLSEXT_ERR_ALERT_FATAL;
146 static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore)
148 const char *servername;
149 const unsigned char *p;
150 size_t len, remaining;
151 HANDSHAKE_EX_DATA *ex_data =
152 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
155 * The server_name extension was given too much extensibility when it
156 * was written, so parsing the normal case is a bit complex.
158 if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p,
162 /* Extract the length of the supplied list of names. */
165 if (len + 2 != remaining)
169 * The list in practice only has a single element, so we only consider
172 if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
175 /* Now we can finally pull out the byte array with the actual hostname. */
180 if (len + 2 > remaining)
183 servername = (const char *)p;
185 if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
186 SSL_CTX *new_ctx = arg;
187 SSL_set_SSL_CTX(s, new_ctx);
189 * Copy over all the SSL_CTX options - reasonable behavior
190 * allows testing of cases where the options between two
191 * contexts differ/conflict
193 SSL_clear_options(s, 0xFFFFFFFFL);
194 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
196 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
198 } else if (len == strlen("server1") &&
199 strncmp(servername, "server1", len) == 0) {
200 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
203 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
210 * If the server understood the ClientHello extension but
211 * does not recognize the server name, the server SHOULD take one of two
212 * actions: either abort the handshake by sending a fatal-level
213 * unrecognized_name(112) alert or continue the handshake.
215 * This behaviour is up to the application to configure; we test both
216 * configurations to ensure the state machine propagates the result
219 static int servername_ignore_cb(SSL *s, int *ad, void *arg)
221 return select_server_ctx(s, arg, 1);
224 static int servername_reject_cb(SSL *s, int *ad, void *arg)
226 return select_server_ctx(s, arg, 0);
229 static int client_hello_ignore_cb(SSL *s, int *al, void *arg)
231 if (!client_hello_select_server_ctx(s, arg, 1)) {
232 *al = SSL_AD_UNRECOGNIZED_NAME;
233 return SSL_CLIENT_HELLO_ERROR;
235 return SSL_CLIENT_HELLO_SUCCESS;
238 static int client_hello_reject_cb(SSL *s, int *al, void *arg)
240 if (!client_hello_select_server_ctx(s, arg, 0)) {
241 *al = SSL_AD_UNRECOGNIZED_NAME;
242 return SSL_CLIENT_HELLO_ERROR;
244 return SSL_CLIENT_HELLO_SUCCESS;
247 static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
251 const unsigned char *p;
253 v = SSL_client_hello_get0_legacy_version(s);
254 if (v > TLS1_2_VERSION || v < SSL3_VERSION) {
255 *al = SSL_AD_PROTOCOL_VERSION;
256 return SSL_CLIENT_HELLO_ERROR;
258 (void)SSL_client_hello_get0_session_id(s, &p);
260 SSL_client_hello_get0_random(s, &p) == 0 ||
261 SSL_client_hello_get0_ciphers(s, &p) == 0 ||
262 SSL_client_hello_get0_compression_methods(s, &p) == 0) {
263 *al = SSL_AD_INTERNAL_ERROR;
264 return SSL_CLIENT_HELLO_ERROR;
266 ret = client_hello_select_server_ctx(s, arg, 0);
267 SSL_set_max_proto_version(s, TLS1_1_VERSION);
269 *al = SSL_AD_UNRECOGNIZED_NAME;
270 return SSL_CLIENT_HELLO_ERROR;
272 return SSL_CLIENT_HELLO_SUCCESS;
275 static unsigned char dummy_ocsp_resp_good_val = 0xff;
276 static unsigned char dummy_ocsp_resp_bad_val = 0xfe;
278 static int server_ocsp_cb(SSL *s, void *arg)
282 resp = OPENSSL_malloc(1);
284 return SSL_TLSEXT_ERR_ALERT_FATAL;
286 * For the purposes of testing we just send back a dummy OCSP response
288 *resp = *(unsigned char *)arg;
289 if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1))
290 return SSL_TLSEXT_ERR_ALERT_FATAL;
292 return SSL_TLSEXT_ERR_OK;
295 static int client_ocsp_cb(SSL *s, void *arg)
297 const unsigned char *resp;
300 len = SSL_get_tlsext_status_ocsp_resp(s, &resp);
301 if (len != 1 || *resp != dummy_ocsp_resp_good_val)
307 static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) {
308 X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION);
312 static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) {
316 static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv,
317 EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc)
322 static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name,
325 HMAC_CTX *hctx, int enc)
327 HANDSHAKE_EX_DATA *ex_data =
328 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
329 ex_data->session_ticket_do_not_call = 1;
333 /* Parse the comma-separated list into TLS format. */
334 static int parse_protos(const char *protos, unsigned char **out, size_t *outlen)
336 size_t len, i, prefix;
338 len = strlen(protos);
340 /* Should never have reuse. */
341 if (!TEST_ptr_null(*out)
342 /* Test values are small, so we omit length limit checks. */
343 || !TEST_ptr(*out = OPENSSL_malloc(len + 1)))
348 * foo => '3', 'f', 'o', 'o'
349 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
351 memcpy(*out + 1, protos, len);
356 if ((*out)[i] == ',') {
357 if (!TEST_int_gt(i - 1, prefix))
359 (*out)[prefix] = (unsigned char)(i - 1 - prefix);
364 if (!TEST_int_gt(len, prefix))
366 (*out)[prefix] = (unsigned char)(len - prefix);
375 #ifndef OPENSSL_NO_NEXTPROTONEG
377 * The client SHOULD select the first protocol advertised by the server that it
378 * also supports. In the event that the client doesn't support any of server's
379 * protocols, or the server doesn't advertise any, it SHOULD select the first
380 * protocol that it supports.
382 static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen,
383 const unsigned char *in, unsigned int inlen,
386 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
389 ret = SSL_select_next_proto(out, outlen, in, inlen,
390 ctx_data->npn_protocols,
391 ctx_data->npn_protocols_len);
392 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
393 return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP)
394 ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL;
397 static int server_npn_cb(SSL *s, const unsigned char **data,
398 unsigned int *len, void *arg)
400 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
401 *data = ctx_data->npn_protocols;
402 *len = ctx_data->npn_protocols_len;
403 return SSL_TLSEXT_ERR_OK;
408 * The server SHOULD select the most highly preferred protocol that it supports
409 * and that is also advertised by the client. In the event that the server
410 * supports no protocols that the client advertises, then the server SHALL
411 * respond with a fatal "no_application_protocol" alert.
413 static int server_alpn_cb(SSL *s, const unsigned char **out,
414 unsigned char *outlen, const unsigned char *in,
415 unsigned int inlen, void *arg)
417 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
420 /* SSL_select_next_proto isn't const-correct... */
421 unsigned char *tmp_out;
424 * The result points either to |in| or to |ctx_data->alpn_protocols|.
425 * The callback is allowed to point to |in| or to a long-lived buffer,
426 * so we can return directly without storing a copy.
428 ret = SSL_select_next_proto(&tmp_out, outlen,
429 ctx_data->alpn_protocols,
430 ctx_data->alpn_protocols_len, in, inlen);
433 /* Unlike NPN, we don't tolerate a mismatch. */
434 return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK
435 : SSL_TLSEXT_ERR_ALERT_FATAL;
438 #ifndef OPENSSL_NO_SRP
439 static char *client_srp_cb(SSL *s, void *arg)
441 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
442 return OPENSSL_strdup(ctx_data->srp_password);
445 static int server_srp_cb(SSL *s, int *ad, void *arg)
447 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
448 if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0)
449 return SSL3_AL_FATAL;
450 if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user,
451 ctx_data->srp_password,
452 "2048" /* known group */) < 0) {
453 *ad = SSL_AD_INTERNAL_ERROR;
454 return SSL3_AL_FATAL;
456 return SSL_ERROR_NONE;
458 #endif /* !OPENSSL_NO_SRP */
460 static int generate_session_ticket_cb(SSL *s, void *arg)
462 CTX_DATA *server_ctx_data = arg;
463 SSL_SESSION *ss = SSL_get_session(s);
464 char *app_data = server_ctx_data->session_ticket_app_data;
466 if (ss == NULL || app_data == NULL)
469 return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data));
472 static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss,
473 const unsigned char *keyname,
475 SSL_TICKET_STATUS status,
479 case SSL_TICKET_EMPTY:
480 case SSL_TICKET_NO_DECRYPT:
481 return SSL_TICKET_RETURN_IGNORE_RENEW;
482 case SSL_TICKET_SUCCESS:
483 return SSL_TICKET_RETURN_USE;
484 case SSL_TICKET_SUCCESS_RENEW:
485 return SSL_TICKET_RETURN_USE_RENEW;
489 return SSL_TICKET_RETURN_ABORT;
493 * Configure callbacks and other properties that can't be set directly
494 * in the server/client CONF.
496 static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
498 const SSL_TEST_CTX *test,
499 const SSL_TEST_EXTRA_CONF *extra,
500 CTX_DATA *server_ctx_data,
501 CTX_DATA *server2_ctx_data,
502 CTX_DATA *client_ctx_data)
504 unsigned char *ticket_keys;
505 size_t ticket_key_len;
507 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx,
508 test->max_fragment_size), 1))
510 if (server2_ctx != NULL) {
511 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx,
512 test->max_fragment_size),
516 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx,
517 test->max_fragment_size), 1))
520 switch (extra->client.verify_callback) {
521 case SSL_TEST_VERIFY_ACCEPT_ALL:
522 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL);
524 case SSL_TEST_VERIFY_REJECT_ALL:
525 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL);
527 case SSL_TEST_VERIFY_NONE:
531 switch (extra->client.max_fragment_len_mode) {
532 case TLSEXT_max_fragment_length_512:
533 case TLSEXT_max_fragment_length_1024:
534 case TLSEXT_max_fragment_length_2048:
535 case TLSEXT_max_fragment_length_4096:
536 case TLSEXT_max_fragment_length_DISABLED:
537 SSL_CTX_set_tlsext_max_fragment_length(
538 client_ctx, extra->client.max_fragment_len_mode);
543 * Link the two contexts for SNI purposes.
544 * Also do ClientHello callbacks here, as setting both ClientHello and SNI
547 switch (extra->server.servername_callback) {
548 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH:
549 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb);
550 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
552 case SSL_TEST_SERVERNAME_REJECT_MISMATCH:
553 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb);
554 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
556 case SSL_TEST_SERVERNAME_CB_NONE:
558 case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH:
559 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx);
561 case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH:
562 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx);
564 case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12:
565 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx);
568 if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) {
569 SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp);
570 SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb);
571 SSL_CTX_set_tlsext_status_arg(client_ctx, NULL);
572 SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb);
573 SSL_CTX_set_tlsext_status_arg(server_ctx,
574 ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE)
575 ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val));
579 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
580 * session ticket. This ticket_key callback is assigned to the second
581 * session (assigned via SNI), and should never be invoked
583 if (server2_ctx != NULL)
584 SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx,
585 do_not_call_session_ticket_cb);
587 if (extra->server.broken_session_ticket) {
588 SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb);
590 #ifndef OPENSSL_NO_NEXTPROTONEG
591 if (extra->server.npn_protocols != NULL) {
592 if (!TEST_true(parse_protos(extra->server.npn_protocols,
593 &server_ctx_data->npn_protocols,
594 &server_ctx_data->npn_protocols_len)))
596 SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb,
599 if (extra->server2.npn_protocols != NULL) {
600 if (!TEST_true(parse_protos(extra->server2.npn_protocols,
601 &server2_ctx_data->npn_protocols,
602 &server2_ctx_data->npn_protocols_len))
603 || !TEST_ptr(server2_ctx))
605 SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb,
608 if (extra->client.npn_protocols != NULL) {
609 if (!TEST_true(parse_protos(extra->client.npn_protocols,
610 &client_ctx_data->npn_protocols,
611 &client_ctx_data->npn_protocols_len)))
613 SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb,
617 if (extra->server.alpn_protocols != NULL) {
618 if (!TEST_true(parse_protos(extra->server.alpn_protocols,
619 &server_ctx_data->alpn_protocols,
620 &server_ctx_data->alpn_protocols_len)))
622 SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data);
624 if (extra->server2.alpn_protocols != NULL) {
625 if (!TEST_ptr(server2_ctx)
626 || !TEST_true(parse_protos(extra->server2.alpn_protocols,
627 &server2_ctx_data->alpn_protocols,
628 &server2_ctx_data->alpn_protocols_len
631 SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb,
634 if (extra->client.alpn_protocols != NULL) {
635 unsigned char *alpn_protos = NULL;
636 size_t alpn_protos_len;
637 if (!TEST_true(parse_protos(extra->client.alpn_protocols,
638 &alpn_protos, &alpn_protos_len))
639 /* Reversed return value convention... */
640 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos,
641 alpn_protos_len), 0))
643 OPENSSL_free(alpn_protos);
646 if (extra->server.session_ticket_app_data != NULL) {
647 server_ctx_data->session_ticket_app_data =
648 OPENSSL_strdup(extra->server.session_ticket_app_data);
649 SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb,
650 decrypt_session_ticket_cb, server_ctx_data);
652 if (extra->server2.session_ticket_app_data != NULL) {
653 if (!TEST_ptr(server2_ctx))
655 server2_ctx_data->session_ticket_app_data =
656 OPENSSL_strdup(extra->server2.session_ticket_app_data);
657 SSL_CTX_set_session_ticket_cb(server2_ctx, NULL,
658 decrypt_session_ticket_cb, server2_ctx_data);
662 * Use fixed session ticket keys so that we can decrypt a ticket created with
663 * one CTX in another CTX. Don't address server2 for the moment.
665 ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0);
666 if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len))
667 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx,
669 ticket_key_len), 1)) {
670 OPENSSL_free(ticket_keys);
673 OPENSSL_free(ticket_keys);
675 /* The default log list includes EC keys, so CT can't work without EC. */
676 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
677 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx)))
679 switch (extra->client.ct_validation) {
680 case SSL_TEST_CT_VALIDATION_PERMISSIVE:
681 if (!TEST_true(SSL_CTX_enable_ct(client_ctx,
682 SSL_CT_VALIDATION_PERMISSIVE)))
685 case SSL_TEST_CT_VALIDATION_STRICT:
686 if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT)))
689 case SSL_TEST_CT_VALIDATION_NONE:
693 #ifndef OPENSSL_NO_SRP
694 if (extra->server.srp_user != NULL) {
695 SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb);
696 server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user);
697 server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password);
698 SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data);
700 if (extra->server2.srp_user != NULL) {
701 if (!TEST_ptr(server2_ctx))
703 SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb);
704 server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user);
705 server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password);
706 SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data);
708 if (extra->client.srp_user != NULL) {
709 if (!TEST_true(SSL_CTX_set_srp_username(client_ctx,
710 extra->client.srp_user)))
712 SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb);
713 client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password);
714 SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data);
716 #endif /* !OPENSSL_NO_SRP */
722 /* Configure per-SSL callbacks and other properties. */
723 static void configure_handshake_ssl(SSL *server, SSL *client,
724 const SSL_TEST_EXTRA_CONF *extra)
726 if (extra->client.servername != SSL_TEST_SERVERNAME_NONE)
727 SSL_set_tlsext_host_name(client,
728 ssl_servername_name(extra->client.servername));
729 if (extra->client.enable_pha)
730 SSL_set_post_handshake_auth(client, 1);
733 /* The status for each connection phase. */
742 /* An SSL object and associated read-write buffers. */
743 typedef struct peer_st {
745 /* Buffer lengths are int to match the SSL read/write API. */
746 unsigned char *write_buf;
748 unsigned char *read_buf;
752 peer_status_t status;
755 static int create_peer(PEER *peer, SSL_CTX *ctx)
757 static const int peer_buffer_size = 64 * 1024;
759 unsigned char *read_buf = NULL, *write_buf = NULL;
761 if (!TEST_ptr(ssl = SSL_new(ctx))
762 || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size))
763 || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size)))
767 peer->write_buf = write_buf;
768 peer->read_buf = read_buf;
769 peer->write_buf_len = peer->read_buf_len = peer_buffer_size;
773 OPENSSL_free(write_buf);
774 OPENSSL_free(read_buf);
778 static void peer_free_data(PEER *peer)
781 OPENSSL_free(peer->write_buf);
782 OPENSSL_free(peer->read_buf);
786 * Note that we could do the handshake transparently under an SSL_write,
787 * but separating the steps is more helpful for debugging test failures.
789 static void do_handshake_step(PEER *peer)
791 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
792 peer->status = PEER_TEST_FAILURE;
794 int ret = SSL_do_handshake(peer->ssl);
797 peer->status = PEER_SUCCESS;
798 } else if (ret == 0) {
799 peer->status = PEER_ERROR;
801 int error = SSL_get_error(peer->ssl, ret);
802 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
803 if (error != SSL_ERROR_WANT_READ)
804 peer->status = PEER_ERROR;
810 * Send/receive some application data. The read-write sequence is
811 * Peer A: (R) W - first read will yield no data
818 static void do_app_data_step(PEER *peer)
820 int ret = 1, write_bytes;
822 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
823 peer->status = PEER_TEST_FAILURE;
827 /* We read everything available... */
828 while (ret > 0 && peer->bytes_to_read) {
829 ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len);
831 if (!TEST_int_le(ret, peer->bytes_to_read)) {
832 peer->status = PEER_TEST_FAILURE;
835 peer->bytes_to_read -= ret;
836 } else if (ret == 0) {
837 peer->status = PEER_ERROR;
840 int error = SSL_get_error(peer->ssl, ret);
841 if (error != SSL_ERROR_WANT_READ) {
842 peer->status = PEER_ERROR;
844 } /* Else continue with write. */
848 /* ... but we only write one write-buffer-full of data. */
849 write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write :
852 ret = SSL_write(peer->ssl, peer->write_buf, write_bytes);
854 /* SSL_write will only succeed with a complete write. */
855 if (!TEST_int_eq(ret, write_bytes)) {
856 peer->status = PEER_TEST_FAILURE;
859 peer->bytes_to_write -= ret;
862 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
863 * but this doesn't yet occur with current app data sizes.
865 peer->status = PEER_ERROR;
871 * We could simply finish when there was nothing to read, and we have
872 * nothing left to write. But keeping track of the expected number of bytes
873 * to read gives us somewhat better guarantees that all data sent is in fact
876 if (!peer->bytes_to_write && !peer->bytes_to_read) {
877 peer->status = PEER_SUCCESS;
881 static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
886 if (peer->status == PEER_SUCCESS) {
888 * We are a client that succeeded this step previously, but the server
889 * wanted to retry. Probably there is a no_renegotiation warning alert
890 * waiting for us. Attempt to continue the handshake.
892 peer->status = PEER_RETRY;
893 do_handshake_step(peer);
897 if (!TEST_int_eq(peer->status, PEER_RETRY)
898 || !TEST_true(test_ctx->handshake_mode
899 == SSL_TEST_HANDSHAKE_RENEG_SERVER
900 || test_ctx->handshake_mode
901 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
902 || test_ctx->handshake_mode
903 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
904 || test_ctx->handshake_mode
905 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
906 || test_ctx->handshake_mode
907 == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) {
908 peer->status = PEER_TEST_FAILURE;
912 /* Reset the count of the amount of app data we need to read/write */
913 peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size;
915 /* Check if we are the peer that is going to initiate */
916 if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
917 && SSL_is_server(peer->ssl))
918 || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
919 && !SSL_is_server(peer->ssl))) {
921 * If we already asked for a renegotiation then fall through to the
924 if (!SSL_renegotiate_pending(peer->ssl)) {
926 * If we are the client we will always attempt to resume the
927 * session. The server may or may not resume dependent on the
928 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
930 if (SSL_is_server(peer->ssl)) {
931 ret = SSL_renegotiate(peer->ssl);
933 if (test_ctx->extra.client.reneg_ciphers != NULL) {
934 if (!SSL_set_cipher_list(peer->ssl,
935 test_ctx->extra.client.reneg_ciphers)) {
936 peer->status = PEER_ERROR;
939 ret = SSL_renegotiate(peer->ssl);
941 ret = SSL_renegotiate_abbreviated(peer->ssl);
945 peer->status = PEER_ERROR;
948 do_handshake_step(peer);
950 * If status is PEER_RETRY it means we're waiting on the peer to
951 * continue the handshake. As far as setting up the renegotiation is
952 * concerned that is a success. The next step will continue the
953 * handshake to its conclusion.
955 * If status is PEER_SUCCESS then we are the server and we have
956 * successfully sent the HelloRequest. We need to continue to wait
957 * until the handshake arrives from the client.
959 if (peer->status == PEER_RETRY)
960 peer->status = PEER_SUCCESS;
961 else if (peer->status == PEER_SUCCESS)
962 peer->status = PEER_RETRY;
965 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
966 || test_ctx->handshake_mode
967 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) {
968 if (SSL_is_server(peer->ssl)
969 != (test_ctx->handshake_mode
970 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) {
971 peer->status = PEER_SUCCESS;
975 ret = SSL_key_update(peer->ssl, test_ctx->key_update_type);
977 peer->status = PEER_ERROR;
980 do_handshake_step(peer);
982 * This is a one step handshake. We shouldn't get anything other than
985 if (peer->status != PEER_SUCCESS)
986 peer->status = PEER_ERROR;
988 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) {
989 if (SSL_is_server(peer->ssl)) {
990 /* Make the server believe it's received the extension */
991 if (test_ctx->extra.server.force_pha)
992 peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
993 ret = SSL_verify_client_post_handshake(peer->ssl);
995 peer->status = PEER_ERROR;
999 do_handshake_step(peer);
1001 * This is a one step handshake. We shouldn't get anything other than
1004 if (peer->status != PEER_SUCCESS)
1005 peer->status = PEER_ERROR;
1010 * The SSL object is still expecting app data, even though it's going to
1011 * get a handshake message. We try to read, and it should fail - after which
1012 * we should be in a handshake
1014 ret = SSL_read(peer->ssl, &buf, sizeof(buf));
1017 * We're not actually expecting data - we're expecting a reneg to
1020 peer->status = PEER_ERROR;
1023 int error = SSL_get_error(peer->ssl, ret);
1024 if (error != SSL_ERROR_WANT_READ) {
1025 peer->status = PEER_ERROR;
1028 /* If we're not in init yet then we're not done with setup yet */
1029 if (!SSL_in_init(peer->ssl))
1033 peer->status = PEER_SUCCESS;
1040 * Note that as of TLS 1.1,
1041 * failure to properly close a connection no longer requires that a
1042 * session not be resumed. This is a change from TLS 1.0 to conform
1043 * with widespread implementation practice.
1046 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
1047 * (b) We test lower versions, too.
1048 * So we just implement shutdown. We do a full bidirectional shutdown so that we
1049 * can compare sent and received close_notify alerts and get some test coverage
1050 * for SSL_shutdown as a bonus.
1052 static void do_shutdown_step(PEER *peer)
1056 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
1057 peer->status = PEER_TEST_FAILURE;
1060 ret = SSL_shutdown(peer->ssl);
1063 peer->status = PEER_SUCCESS;
1064 } else if (ret < 0) { /* On 0, we retry. */
1065 int error = SSL_get_error(peer->ssl, ret);
1067 if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE)
1068 peer->status = PEER_ERROR;
1074 RENEG_APPLICATION_DATA,
1083 static int renegotiate_op(const SSL_TEST_CTX *test_ctx)
1085 switch (test_ctx->handshake_mode) {
1086 case SSL_TEST_HANDSHAKE_RENEG_SERVER:
1087 case SSL_TEST_HANDSHAKE_RENEG_CLIENT:
1093 static int post_handshake_op(const SSL_TEST_CTX *test_ctx)
1095 switch (test_ctx->handshake_mode) {
1096 case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT:
1097 case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER:
1098 case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH:
1105 static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx,
1106 connect_phase_t phase)
1110 if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx))
1111 return RENEG_APPLICATION_DATA;
1112 return APPLICATION_DATA;
1113 case RENEG_APPLICATION_DATA:
1116 if (post_handshake_op(test_ctx))
1117 return APPLICATION_DATA;
1118 return RENEG_HANDSHAKE;
1119 case RENEG_HANDSHAKE:
1120 return APPLICATION_DATA;
1121 case APPLICATION_DATA:
1124 return CONNECTION_DONE;
1125 case CONNECTION_DONE:
1126 TEST_error("Trying to progress after connection done");
1132 static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer,
1133 connect_phase_t phase)
1137 do_handshake_step(peer);
1139 case RENEG_APPLICATION_DATA:
1140 do_app_data_step(peer);
1143 do_reneg_setup_step(test_ctx, peer);
1145 case RENEG_HANDSHAKE:
1146 do_handshake_step(peer);
1148 case APPLICATION_DATA:
1149 do_app_data_step(peer);
1152 do_shutdown_step(peer);
1154 case CONNECTION_DONE:
1155 TEST_error("Action after connection done");
1161 /* Both parties succeeded. */
1163 /* Client errored. */
1165 /* Server errored. */
1167 /* Peers are in inconsistent state. */
1169 /* One or both peers not done. */
1171 } handshake_status_t;
1174 * Determine the handshake outcome.
1175 * last_status: the status of the peer to have acted last.
1176 * previous_status: the status of the peer that didn't act last.
1177 * client_spoke_last: 1 if the client went last.
1179 static handshake_status_t handshake_status(peer_status_t last_status,
1180 peer_status_t previous_status,
1181 int client_spoke_last)
1183 switch (last_status) {
1184 case PEER_TEST_FAILURE:
1185 return INTERNAL_ERROR;
1188 /* Shouldn't ever happen */
1189 return INTERNAL_ERROR;
1192 switch (previous_status) {
1193 case PEER_TEST_FAILURE:
1194 return INTERNAL_ERROR;
1196 /* Both succeeded. */
1197 return HANDSHAKE_SUCCESS;
1200 /* Let the first peer finish. */
1201 return HANDSHAKE_RETRY;
1204 * Second peer succeeded despite the fact that the first peer
1205 * already errored. This shouldn't happen.
1207 return INTERNAL_ERROR;
1212 return HANDSHAKE_RETRY;
1215 switch (previous_status) {
1216 case PEER_TEST_FAILURE:
1217 return INTERNAL_ERROR;
1219 /* The client failed immediately before sending the ClientHello */
1220 return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR;
1223 * First peer succeeded but second peer errored.
1224 * TODO(emilia): we should be able to continue here (with some
1225 * application data?) to ensure the first peer receives the
1226 * alert / close_notify.
1227 * (No tests currently exercise this branch.)
1229 return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR;
1231 /* We errored; let the peer finish. */
1232 return HANDSHAKE_RETRY;
1234 /* Both peers errored. Return the one that errored first. */
1235 return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR;
1238 /* Control should never reach here. */
1239 return INTERNAL_ERROR;
1242 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
1243 static char *dup_str(const unsigned char *in, size_t len)
1250 /* Assert that the string does not contain NUL-bytes. */
1251 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len))
1252 TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len));
1256 static int pkey_type(EVP_PKEY *pkey)
1258 int nid = EVP_PKEY_id(pkey);
1260 #ifndef OPENSSL_NO_EC
1261 if (nid == EVP_PKEY_EC) {
1262 const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey);
1263 return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
1269 static int peer_pkey_type(SSL *s)
1271 X509 *x = SSL_get_peer_certificate(s);
1274 int nid = pkey_type(X509_get0_pubkey(x));
1282 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1283 static int set_sock_as_sctp(int sock)
1286 * For SCTP we have to set various options on the socket prior to
1287 * connecting. This is done automatically by BIO_new_dgram_sctp().
1288 * We don't actually need the created BIO though so we free it again
1291 BIO *tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
1300 static int create_sctp_socks(int *ssock, int *csock)
1302 BIO_ADDRINFO *res = NULL;
1303 const BIO_ADDRINFO *ai = NULL;
1304 int lsock = INVALID_SOCKET, asock = INVALID_SOCKET;
1305 int consock = INVALID_SOCKET;
1309 if (BIO_sock_init() != 1)
1313 * Port is 4463. It could be anything. It will fail if it's already being
1314 * used for some other SCTP service. It seems unlikely though so we don't
1315 * worry about it here.
1317 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM,
1318 IPPROTO_SCTP, &res))
1321 for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) {
1322 family = BIO_ADDRINFO_family(ai);
1323 lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1324 if (lsock == INVALID_SOCKET) {
1325 /* Maybe the kernel doesn't support the socket family, even if
1326 * BIO_lookup() added it in the returned result...
1331 if (!set_sock_as_sctp(lsock)
1332 || !BIO_listen(lsock, BIO_ADDRINFO_address(ai),
1333 BIO_SOCK_REUSEADDR)) {
1334 BIO_closesocket(lsock);
1335 lsock = INVALID_SOCKET;
1339 /* Success, don't try any more addresses */
1343 if (lsock == INVALID_SOCKET)
1346 BIO_ADDRINFO_free(res);
1349 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM,
1350 IPPROTO_SCTP, &res))
1353 consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1354 if (consock == INVALID_SOCKET)
1357 if (!set_sock_as_sctp(consock)
1358 || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0)
1359 || !BIO_socket_nbio(consock, 1))
1362 asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK);
1363 if (asock == INVALID_SOCKET)
1368 consock = asock = INVALID_SOCKET;
1372 BIO_ADDRINFO_free(res);
1373 if (consock != INVALID_SOCKET)
1374 BIO_closesocket(consock);
1375 if (lsock != INVALID_SOCKET)
1376 BIO_closesocket(lsock);
1377 if (asock != INVALID_SOCKET)
1378 BIO_closesocket(asock);
1384 * Note that |extra| points to the correct client/server configuration
1385 * within |test_ctx|. When configuring the handshake, general mode settings
1386 * are taken from |test_ctx|, and client/server-specific settings should be
1387 * taken from |extra|.
1389 * The configuration code should never reach into |test_ctx->extra| or
1390 * |test_ctx->resume_extra| directly.
1392 * (We could refactor test mode settings into a substructure. This would result
1393 * in cleaner argument passing but would complicate the test configuration
1396 static HANDSHAKE_RESULT *do_handshake_internal(
1397 SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
1398 const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra,
1399 SSL_SESSION *session_in, SSL_SESSION *serv_sess_in,
1400 SSL_SESSION **session_out, SSL_SESSION **serv_sess_out)
1402 PEER server, client;
1403 BIO *client_to_server = NULL, *server_to_client = NULL;
1404 HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
1405 CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data;
1406 HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new();
1407 int client_turn = 1, client_turn_count = 0, client_wait_count = 0;
1408 connect_phase_t phase = HANDSHAKE;
1409 handshake_status_t status = HANDSHAKE_RETRY;
1410 const unsigned char* tick = NULL;
1411 size_t tick_len = 0;
1412 const unsigned char* sess_id = NULL;
1413 unsigned int sess_id_len = 0;
1414 SSL_SESSION* sess = NULL;
1415 const unsigned char *proto = NULL;
1416 /* API dictates unsigned int rather than size_t. */
1417 unsigned int proto_len = 0;
1419 const STACK_OF(X509_NAME) *names;
1426 memset(&server_ctx_data, 0, sizeof(server_ctx_data));
1427 memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
1428 memset(&client_ctx_data, 0, sizeof(client_ctx_data));
1429 memset(&server, 0, sizeof(server));
1430 memset(&client, 0, sizeof(client));
1431 memset(&server_ex_data, 0, sizeof(server_ex_data));
1432 memset(&client_ex_data, 0, sizeof(client_ex_data));
1434 if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx,
1435 test_ctx, extra, &server_ctx_data,
1436 &server2_ctx_data, &client_ctx_data)) {
1437 TEST_note("configure_handshake_ctx");
1441 /* Setup SSL and buffers; additional configuration happens below. */
1442 if (!create_peer(&server, server_ctx)) {
1443 TEST_note("creating server context");
1446 if (!create_peer(&client, client_ctx)) {
1447 TEST_note("creating client context");
1451 server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size;
1452 client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size;
1454 configure_handshake_ssl(server.ssl, client.ssl, extra);
1455 if (session_in != NULL) {
1456 SSL_SESSION_get_id(serv_sess_in, &sess_id_len);
1457 /* In case we're testing resumption without tickets. */
1458 if ((sess_id_len > 0
1459 && !TEST_true(SSL_CTX_add_session(server_ctx,
1461 || !TEST_true(SSL_set_session(client.ssl, session_in)))
1466 ret->result = SSL_TEST_INTERNAL_ERROR;
1468 if (test_ctx->use_sctp) {
1469 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1472 if (create_sctp_socks(&ssock, &csock)) {
1473 client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE);
1474 server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE);
1478 client_to_server = BIO_new(BIO_s_mem());
1479 server_to_client = BIO_new(BIO_s_mem());
1482 if (!TEST_ptr(client_to_server)
1483 || !TEST_ptr(server_to_client))
1486 /* Non-blocking bio. */
1487 BIO_set_nbio(client_to_server, 1);
1488 BIO_set_nbio(server_to_client, 1);
1490 SSL_set_connect_state(client.ssl);
1491 SSL_set_accept_state(server.ssl);
1493 /* The bios are now owned by the SSL object. */
1494 if (test_ctx->use_sctp) {
1495 SSL_set_bio(client.ssl, client_to_server, client_to_server);
1496 SSL_set_bio(server.ssl, server_to_client, server_to_client);
1498 SSL_set_bio(client.ssl, server_to_client, client_to_server);
1499 if (!TEST_int_gt(BIO_up_ref(server_to_client), 0)
1500 || !TEST_int_gt(BIO_up_ref(client_to_server), 0))
1502 SSL_set_bio(server.ssl, client_to_server, server_to_client);
1505 ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
1506 if (!TEST_int_ge(ex_data_idx, 0)
1507 || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1)
1508 || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1))
1511 SSL_set_info_callback(server.ssl, &info_cb);
1512 SSL_set_info_callback(client.ssl, &info_cb);
1514 client.status = PEER_RETRY;
1515 server.status = PEER_WAITING;
1520 * Half-duplex handshake loop.
1521 * Client and server speak to each other synchronously in the same process.
1522 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1523 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1524 * The handshake succeeds once both peers have succeeded. If one peer
1525 * errors out, we also let the other peer retry (and presumably fail).
1529 do_connect_step(test_ctx, &client, phase);
1530 status = handshake_status(client.status, server.status,
1531 1 /* client went last */);
1532 if (server.status == PEER_WAITING)
1533 server.status = PEER_RETRY;
1535 do_connect_step(test_ctx, &server, phase);
1536 status = handshake_status(server.status, client.status,
1537 0 /* server went last */);
1541 case HANDSHAKE_SUCCESS:
1542 client_turn_count = 0;
1543 phase = next_phase(test_ctx, phase);
1544 if (phase == CONNECTION_DONE) {
1545 ret->result = SSL_TEST_SUCCESS;
1548 client.status = server.status = PEER_RETRY;
1550 * For now, client starts each phase. Since each phase is
1551 * started separately, we can later control this more
1552 * precisely, for example, to test client-initiated and
1553 * server-initiated shutdown.
1559 ret->result = SSL_TEST_CLIENT_FAIL;
1562 ret->result = SSL_TEST_SERVER_FAIL;
1564 case INTERNAL_ERROR:
1565 ret->result = SSL_TEST_INTERNAL_ERROR;
1567 case HANDSHAKE_RETRY:
1568 if (test_ctx->use_sctp) {
1569 if (time(NULL) - start > 3) {
1571 * We've waited for too long. Give up.
1573 ret->result = SSL_TEST_INTERNAL_ERROR;
1577 * With "real" sockets we only swap to processing the peer
1578 * if they are expecting to retry. Otherwise we just retry the
1579 * same endpoint again.
1581 if ((client_turn && server.status == PEER_RETRY)
1582 || (!client_turn && client.status == PEER_RETRY))
1585 if (client_turn_count++ >= 2000) {
1587 * At this point, there's been so many PEER_RETRY in a row
1588 * that it's likely both sides are stuck waiting for a read.
1589 * It's time to give up.
1591 ret->result = SSL_TEST_INTERNAL_ERROR;
1594 if (client_turn && server.status == PEER_SUCCESS) {
1596 * The server may finish before the client because the
1597 * client spends some turns processing NewSessionTickets.
1599 if (client_wait_count++ >= 2) {
1600 ret->result = SSL_TEST_INTERNAL_ERROR;
1612 ret->server_alert_sent = server_ex_data.alert_sent;
1613 ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent;
1614 ret->server_alert_received = client_ex_data.alert_received;
1615 ret->client_alert_sent = client_ex_data.alert_sent;
1616 ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent;
1617 ret->client_alert_received = server_ex_data.alert_received;
1618 ret->server_protocol = SSL_version(server.ssl);
1619 ret->client_protocol = SSL_version(client.ssl);
1620 ret->servername = server_ex_data.servername;
1621 if ((sess = SSL_get0_session(client.ssl)) != NULL) {
1622 SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
1623 sess_id = SSL_SESSION_get_id(sess, &sess_id_len);
1625 if (tick == NULL || tick_len == 0)
1626 ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
1628 ret->session_ticket = SSL_TEST_SESSION_TICKET_YES;
1629 ret->compression = (SSL_get_current_compression(client.ssl) == NULL)
1630 ? SSL_TEST_COMPRESSION_NO
1631 : SSL_TEST_COMPRESSION_YES;
1632 if (sess_id == NULL || sess_id_len == 0)
1633 ret->session_id = SSL_TEST_SESSION_ID_NO;
1635 ret->session_id = SSL_TEST_SESSION_ID_YES;
1636 ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
1638 #ifndef OPENSSL_NO_NEXTPROTONEG
1639 SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len);
1640 ret->client_npn_negotiated = dup_str(proto, proto_len);
1642 SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len);
1643 ret->server_npn_negotiated = dup_str(proto, proto_len);
1646 SSL_get0_alpn_selected(client.ssl, &proto, &proto_len);
1647 ret->client_alpn_negotiated = dup_str(proto, proto_len);
1649 SSL_get0_alpn_selected(server.ssl, &proto, &proto_len);
1650 ret->server_alpn_negotiated = dup_str(proto, proto_len);
1652 if ((sess = SSL_get0_session(server.ssl)) != NULL) {
1653 SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len);
1654 ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len);
1657 ret->client_resumed = SSL_session_reused(client.ssl);
1658 ret->server_resumed = SSL_session_reused(server.ssl);
1660 cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl));
1661 ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher));
1663 if (session_out != NULL)
1664 *session_out = SSL_get1_session(client.ssl);
1665 if (serv_sess_out != NULL) {
1666 SSL_SESSION *tmp = SSL_get_session(server.ssl);
1669 * We create a fresh copy that is not in the server session ctx linked
1673 *serv_sess_out = SSL_SESSION_dup(tmp);
1676 if (SSL_get_server_tmp_key(client.ssl, &tmp_key)) {
1677 ret->tmp_key_type = pkey_type(tmp_key);
1678 EVP_PKEY_free(tmp_key);
1681 SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash);
1682 SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash);
1684 SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type);
1685 SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type);
1687 names = SSL_get0_peer_CA_list(client.ssl);
1689 ret->client_ca_names = NULL;
1691 ret->client_ca_names = SSL_dup_CA_list(names);
1693 names = SSL_get0_peer_CA_list(server.ssl);
1695 ret->server_ca_names = NULL;
1697 ret->server_ca_names = SSL_dup_CA_list(names);
1699 ret->server_cert_type = peer_pkey_type(client.ssl);
1700 ret->client_cert_type = peer_pkey_type(server.ssl);
1702 ctx_data_free_data(&server_ctx_data);
1703 ctx_data_free_data(&server2_ctx_data);
1704 ctx_data_free_data(&client_ctx_data);
1706 peer_free_data(&server);
1707 peer_free_data(&client);
1711 HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
1712 SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx,
1713 SSL_CTX *resume_client_ctx,
1714 const SSL_TEST_CTX *test_ctx)
1716 HANDSHAKE_RESULT *result;
1717 SSL_SESSION *session = NULL, *serv_sess = NULL;
1719 result = do_handshake_internal(server_ctx, server2_ctx, client_ctx,
1720 test_ctx, &test_ctx->extra,
1721 NULL, NULL, &session, &serv_sess);
1723 || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME
1724 || result->result == SSL_TEST_INTERNAL_ERROR)
1727 if (result->result != SSL_TEST_SUCCESS) {
1728 result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED;
1732 HANDSHAKE_RESULT_free(result);
1733 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1734 result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx,
1735 test_ctx, &test_ctx->resume_extra,
1736 session, serv_sess, NULL, NULL);
1738 SSL_SESSION_free(session);
1739 SSL_SESSION_free(serv_sess);