2 * Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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 #include <openssl/core_names.h>
17 #include "../../ssl/ssl_local.h"
18 #include "internal/sockets.h"
19 #include "internal/nelem.h"
20 #include "handshake.h"
21 #include "../testutil.h"
23 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
24 #include <netinet/sctp.h>
27 HANDSHAKE_RESULT *HANDSHAKE_RESULT_new(void)
29 HANDSHAKE_RESULT *ret;
31 TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret)));
35 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result)
39 OPENSSL_free(result->client_npn_negotiated);
40 OPENSSL_free(result->server_npn_negotiated);
41 OPENSSL_free(result->client_alpn_negotiated);
42 OPENSSL_free(result->server_alpn_negotiated);
43 OPENSSL_free(result->result_session_ticket_app_data);
44 sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free);
45 sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free);
46 OPENSSL_free(result->cipher);
51 * Since there appears to be no way to extract the sent/received alert
52 * from the SSL object directly, we use the info callback and stash
53 * the result in ex_data.
55 typedef struct handshake_ex_data_st {
57 int num_fatal_alerts_sent;
59 int session_ticket_do_not_call;
60 ssl_servername_t servername;
63 /* |ctx_data| itself is stack-allocated. */
64 static void ctx_data_free_data(CTX_DATA *ctx_data)
66 OPENSSL_free(ctx_data->npn_protocols);
67 ctx_data->npn_protocols = NULL;
68 OPENSSL_free(ctx_data->alpn_protocols);
69 ctx_data->alpn_protocols = NULL;
70 OPENSSL_free(ctx_data->srp_user);
71 ctx_data->srp_user = NULL;
72 OPENSSL_free(ctx_data->srp_password);
73 ctx_data->srp_password = NULL;
74 OPENSSL_free(ctx_data->session_ticket_app_data);
75 ctx_data->session_ticket_app_data = NULL;
78 static int ex_data_idx;
80 static void info_cb(const SSL *s, int where, int ret)
82 if (where & SSL_CB_ALERT) {
83 HANDSHAKE_EX_DATA *ex_data =
84 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
85 if (where & SSL_CB_WRITE) {
86 ex_data->alert_sent = ret;
87 if (strcmp(SSL_alert_type_string(ret), "F") == 0
88 || strcmp(SSL_alert_desc_string(ret), "CN") == 0)
89 ex_data->num_fatal_alerts_sent++;
91 ex_data->alert_received = ret;
96 /* Select the appropriate server CTX.
97 * Returns SSL_TLSEXT_ERR_OK if a match was found.
98 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
99 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
100 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
102 static int select_server_ctx(SSL *s, void *arg, int ignore)
104 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
105 HANDSHAKE_EX_DATA *ex_data =
106 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
108 if (servername == NULL) {
109 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
110 return SSL_TLSEXT_ERR_NOACK;
113 if (strcmp(servername, "server2") == 0) {
114 SSL_CTX *new_ctx = (SSL_CTX*)arg;
115 SSL_set_SSL_CTX(s, new_ctx);
117 * Copy over all the SSL_CTX options - reasonable behavior
118 * allows testing of cases where the options between two
119 * contexts differ/conflict
121 SSL_clear_options(s, 0xFFFFFFFFL);
122 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
124 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
125 return SSL_TLSEXT_ERR_OK;
126 } else if (strcmp(servername, "server1") == 0) {
127 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
128 return SSL_TLSEXT_ERR_OK;
130 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
131 return SSL_TLSEXT_ERR_NOACK;
133 /* Don't set an explicit alert, to test library defaults. */
134 return SSL_TLSEXT_ERR_ALERT_FATAL;
138 static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore)
140 const char *servername;
141 const unsigned char *p;
142 size_t len, remaining;
143 HANDSHAKE_EX_DATA *ex_data =
144 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
147 * The server_name extension was given too much extensibility when it
148 * was written, so parsing the normal case is a bit complex.
150 if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p,
154 /* Extract the length of the supplied list of names. */
157 if (len + 2 != remaining)
161 * The list in practice only has a single element, so we only consider
164 if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
167 /* Now we can finally pull out the byte array with the actual hostname. */
172 if (len + 2 > remaining)
175 servername = (const char *)p;
177 if (len == strlen("server2") && HAS_PREFIX(servername, "server2")) {
178 SSL_CTX *new_ctx = arg;
179 SSL_set_SSL_CTX(s, new_ctx);
181 * Copy over all the SSL_CTX options - reasonable behavior
182 * allows testing of cases where the options between two
183 * contexts differ/conflict
185 SSL_clear_options(s, 0xFFFFFFFFL);
186 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
188 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
190 } else if (len == strlen("server1") &&
191 HAS_PREFIX(servername, "server1")) {
192 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
195 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
202 * If the server understood the ClientHello extension but
203 * does not recognize the server name, the server SHOULD take one of two
204 * actions: either abort the handshake by sending a fatal-level
205 * unrecognized_name(112) alert or continue the handshake.
207 * This behaviour is up to the application to configure; we test both
208 * configurations to ensure the state machine propagates the result
211 static int servername_ignore_cb(SSL *s, int *ad, void *arg)
213 return select_server_ctx(s, arg, 1);
216 static int servername_reject_cb(SSL *s, int *ad, void *arg)
218 return select_server_ctx(s, arg, 0);
221 static int client_hello_ignore_cb(SSL *s, int *al, void *arg)
223 if (!client_hello_select_server_ctx(s, arg, 1)) {
224 *al = SSL_AD_UNRECOGNIZED_NAME;
225 return SSL_CLIENT_HELLO_ERROR;
227 return SSL_CLIENT_HELLO_SUCCESS;
230 static int client_hello_reject_cb(SSL *s, int *al, void *arg)
232 if (!client_hello_select_server_ctx(s, arg, 0)) {
233 *al = SSL_AD_UNRECOGNIZED_NAME;
234 return SSL_CLIENT_HELLO_ERROR;
236 return SSL_CLIENT_HELLO_SUCCESS;
239 static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
243 const unsigned char *p;
245 v = SSL_client_hello_get0_legacy_version(s);
246 if (v > TLS1_2_VERSION || v < SSL3_VERSION) {
247 *al = SSL_AD_PROTOCOL_VERSION;
248 return SSL_CLIENT_HELLO_ERROR;
250 (void)SSL_client_hello_get0_session_id(s, &p);
252 SSL_client_hello_get0_random(s, &p) == 0 ||
253 SSL_client_hello_get0_ciphers(s, &p) == 0 ||
254 SSL_client_hello_get0_compression_methods(s, &p) == 0) {
255 *al = SSL_AD_INTERNAL_ERROR;
256 return SSL_CLIENT_HELLO_ERROR;
258 ret = client_hello_select_server_ctx(s, arg, 0);
259 SSL_set_max_proto_version(s, TLS1_1_VERSION);
261 *al = SSL_AD_UNRECOGNIZED_NAME;
262 return SSL_CLIENT_HELLO_ERROR;
264 return SSL_CLIENT_HELLO_SUCCESS;
267 static unsigned char dummy_ocsp_resp_good_val = 0xff;
268 static unsigned char dummy_ocsp_resp_bad_val = 0xfe;
270 static int server_ocsp_cb(SSL *s, void *arg)
274 resp = OPENSSL_malloc(1);
276 return SSL_TLSEXT_ERR_ALERT_FATAL;
278 * For the purposes of testing we just send back a dummy OCSP response
280 *resp = *(unsigned char *)arg;
281 if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1)) {
283 return SSL_TLSEXT_ERR_ALERT_FATAL;
286 return SSL_TLSEXT_ERR_OK;
289 static int client_ocsp_cb(SSL *s, void *arg)
291 const unsigned char *resp;
294 len = SSL_get_tlsext_status_ocsp_resp(s, &resp);
295 if (len != 1 || *resp != dummy_ocsp_resp_good_val)
301 static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) {
302 X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION);
306 static int n_retries = 0;
307 static int verify_retry_cb(X509_STORE_CTX *ctx, void *arg) {
308 int idx = SSL_get_ex_data_X509_STORE_CTX_idx();
311 /* this should not happen but check anyway */
313 || (ssl = X509_STORE_CTX_get_ex_data(ctx, idx)) == NULL)
319 return SSL_set_retry_verify(ssl);
322 static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) {
326 static int broken_session_ticket_cb(SSL *s, unsigned char *key_name,
327 unsigned char *iv, EVP_CIPHER_CTX *ctx,
328 EVP_MAC_CTX *hctx, int enc)
333 static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name,
336 EVP_MAC_CTX *hctx, int enc)
338 HANDSHAKE_EX_DATA *ex_data =
339 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
340 ex_data->session_ticket_do_not_call = 1;
344 /* Parse the comma-separated list into TLS format. */
345 static int parse_protos(const char *protos, unsigned char **out, size_t *outlen)
347 size_t len, i, prefix;
349 len = strlen(protos);
351 /* Should never have reuse. */
352 if (!TEST_ptr_null(*out)
353 /* Test values are small, so we omit length limit checks. */
354 || !TEST_ptr(*out = OPENSSL_malloc(len + 1)))
359 * foo => '3', 'f', 'o', 'o'
360 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
362 memcpy(*out + 1, protos, len);
367 if ((*out)[i] == ',') {
368 if (!TEST_int_gt(i - 1, prefix))
370 (*out)[prefix] = (unsigned char)(i - 1 - prefix);
375 if (!TEST_int_gt(len, prefix))
377 (*out)[prefix] = (unsigned char)(len - prefix);
386 #ifndef OPENSSL_NO_NEXTPROTONEG
388 * The client SHOULD select the first protocol advertised by the server that it
389 * also supports. In the event that the client doesn't support any of server's
390 * protocols, or the server doesn't advertise any, it SHOULD select the first
391 * protocol that it supports.
393 static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen,
394 const unsigned char *in, unsigned int inlen,
397 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
400 ret = SSL_select_next_proto(out, outlen, in, inlen,
401 ctx_data->npn_protocols,
402 ctx_data->npn_protocols_len);
403 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
404 return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP)
405 ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL;
408 static int server_npn_cb(SSL *s, const unsigned char **data,
409 unsigned int *len, void *arg)
411 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
412 *data = ctx_data->npn_protocols;
413 *len = ctx_data->npn_protocols_len;
414 return SSL_TLSEXT_ERR_OK;
419 * The server SHOULD select the most highly preferred protocol that it supports
420 * and that is also advertised by the client. In the event that the server
421 * supports no protocols that the client advertises, then the server SHALL
422 * respond with a fatal "no_application_protocol" alert.
424 static int server_alpn_cb(SSL *s, const unsigned char **out,
425 unsigned char *outlen, const unsigned char *in,
426 unsigned int inlen, void *arg)
428 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
431 /* SSL_select_next_proto isn't const-correct... */
432 unsigned char *tmp_out;
435 * The result points either to |in| or to |ctx_data->alpn_protocols|.
436 * The callback is allowed to point to |in| or to a long-lived buffer,
437 * so we can return directly without storing a copy.
439 ret = SSL_select_next_proto(&tmp_out, outlen,
440 ctx_data->alpn_protocols,
441 ctx_data->alpn_protocols_len, in, inlen);
444 /* Unlike NPN, we don't tolerate a mismatch. */
445 return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK
446 : SSL_TLSEXT_ERR_ALERT_FATAL;
449 static int generate_session_ticket_cb(SSL *s, void *arg)
451 CTX_DATA *server_ctx_data = arg;
452 SSL_SESSION *ss = SSL_get_session(s);
453 char *app_data = server_ctx_data->session_ticket_app_data;
455 if (ss == NULL || app_data == NULL)
458 return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data));
461 static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss,
462 const unsigned char *keyname,
464 SSL_TICKET_STATUS status,
468 case SSL_TICKET_EMPTY:
469 case SSL_TICKET_NO_DECRYPT:
470 return SSL_TICKET_RETURN_IGNORE_RENEW;
471 case SSL_TICKET_SUCCESS:
472 return SSL_TICKET_RETURN_USE;
473 case SSL_TICKET_SUCCESS_RENEW:
474 return SSL_TICKET_RETURN_USE_RENEW;
478 return SSL_TICKET_RETURN_ABORT;
482 * Configure callbacks and other properties that can't be set directly
483 * in the server/client CONF.
485 static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
487 const SSL_TEST_CTX *test,
488 const SSL_TEST_EXTRA_CONF *extra,
489 CTX_DATA *server_ctx_data,
490 CTX_DATA *server2_ctx_data,
491 CTX_DATA *client_ctx_data)
493 unsigned char *ticket_keys;
494 size_t ticket_key_len;
496 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx,
497 test->max_fragment_size), 1))
499 if (server2_ctx != NULL) {
500 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx,
501 test->max_fragment_size),
505 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx,
506 test->max_fragment_size), 1))
509 switch (extra->client.verify_callback) {
510 case SSL_TEST_VERIFY_ACCEPT_ALL:
511 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL);
513 case SSL_TEST_VERIFY_RETRY_ONCE:
515 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_retry_cb, NULL);
517 case SSL_TEST_VERIFY_REJECT_ALL:
518 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL);
520 case SSL_TEST_VERIFY_NONE:
524 switch (extra->client.max_fragment_len_mode) {
525 case TLSEXT_max_fragment_length_512:
526 case TLSEXT_max_fragment_length_1024:
527 case TLSEXT_max_fragment_length_2048:
528 case TLSEXT_max_fragment_length_4096:
529 case TLSEXT_max_fragment_length_DISABLED:
530 SSL_CTX_set_tlsext_max_fragment_length(
531 client_ctx, extra->client.max_fragment_len_mode);
536 * Link the two contexts for SNI purposes.
537 * Also do ClientHello callbacks here, as setting both ClientHello and SNI
540 switch (extra->server.servername_callback) {
541 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH:
542 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb);
543 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
545 case SSL_TEST_SERVERNAME_REJECT_MISMATCH:
546 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb);
547 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
549 case SSL_TEST_SERVERNAME_CB_NONE:
551 case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH:
552 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx);
554 case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH:
555 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx);
557 case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12:
558 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx);
561 if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) {
562 SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp);
563 SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb);
564 SSL_CTX_set_tlsext_status_arg(client_ctx, NULL);
565 SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb);
566 SSL_CTX_set_tlsext_status_arg(server_ctx,
567 ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE)
568 ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val));
572 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
573 * session ticket. This ticket_key callback is assigned to the second
574 * session (assigned via SNI), and should never be invoked
576 if (server2_ctx != NULL)
577 SSL_CTX_set_tlsext_ticket_key_evp_cb(server2_ctx,
578 do_not_call_session_ticket_cb);
580 if (extra->server.broken_session_ticket) {
581 SSL_CTX_set_tlsext_ticket_key_evp_cb(server_ctx,
582 broken_session_ticket_cb);
584 #ifndef OPENSSL_NO_NEXTPROTONEG
585 if (extra->server.npn_protocols != NULL) {
586 if (!TEST_true(parse_protos(extra->server.npn_protocols,
587 &server_ctx_data->npn_protocols,
588 &server_ctx_data->npn_protocols_len)))
590 SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb,
593 if (extra->server2.npn_protocols != NULL) {
594 if (!TEST_true(parse_protos(extra->server2.npn_protocols,
595 &server2_ctx_data->npn_protocols,
596 &server2_ctx_data->npn_protocols_len))
597 || !TEST_ptr(server2_ctx))
599 SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb,
602 if (extra->client.npn_protocols != NULL) {
603 if (!TEST_true(parse_protos(extra->client.npn_protocols,
604 &client_ctx_data->npn_protocols,
605 &client_ctx_data->npn_protocols_len)))
607 SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb,
611 if (extra->server.alpn_protocols != NULL) {
612 if (!TEST_true(parse_protos(extra->server.alpn_protocols,
613 &server_ctx_data->alpn_protocols,
614 &server_ctx_data->alpn_protocols_len)))
616 SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data);
618 if (extra->server2.alpn_protocols != NULL) {
619 if (!TEST_ptr(server2_ctx)
620 || !TEST_true(parse_protos(extra->server2.alpn_protocols,
621 &server2_ctx_data->alpn_protocols,
622 &server2_ctx_data->alpn_protocols_len
625 SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb,
628 if (extra->client.alpn_protocols != NULL) {
629 unsigned char *alpn_protos = NULL;
630 size_t alpn_protos_len = 0;
632 if (!TEST_true(parse_protos(extra->client.alpn_protocols,
633 &alpn_protos, &alpn_protos_len))
634 /* Reversed return value convention... */
635 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos,
636 alpn_protos_len), 0))
638 OPENSSL_free(alpn_protos);
641 if (extra->server.session_ticket_app_data != NULL) {
642 server_ctx_data->session_ticket_app_data =
643 OPENSSL_strdup(extra->server.session_ticket_app_data);
644 if (!TEST_ptr(server_ctx_data->session_ticket_app_data))
646 SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb,
647 decrypt_session_ticket_cb, server_ctx_data);
649 if (extra->server2.session_ticket_app_data != NULL) {
650 if (!TEST_ptr(server2_ctx))
652 server2_ctx_data->session_ticket_app_data =
653 OPENSSL_strdup(extra->server2.session_ticket_app_data);
654 if (!TEST_ptr(server2_ctx_data->session_ticket_app_data))
656 SSL_CTX_set_session_ticket_cb(server2_ctx, NULL,
657 decrypt_session_ticket_cb, server2_ctx_data);
661 * Use fixed session ticket keys so that we can decrypt a ticket created with
662 * one CTX in another CTX. Don't address server2 for the moment.
664 ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0);
665 if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len))
666 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx,
668 ticket_key_len), 1)) {
669 OPENSSL_free(ticket_keys);
672 OPENSSL_free(ticket_keys);
674 /* The default log list includes EC keys, so CT can't work without EC. */
675 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
676 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx)))
678 switch (extra->client.ct_validation) {
679 case SSL_TEST_CT_VALIDATION_PERMISSIVE:
680 if (!TEST_true(SSL_CTX_enable_ct(client_ctx,
681 SSL_CT_VALIDATION_PERMISSIVE)))
684 case SSL_TEST_CT_VALIDATION_STRICT:
685 if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT)))
688 case SSL_TEST_CT_VALIDATION_NONE:
692 #ifndef OPENSSL_NO_SRP
693 if (!configure_handshake_ctx_for_srp(server_ctx, server2_ctx, client_ctx,
694 extra, server_ctx_data,
695 server2_ctx_data, client_ctx_data))
697 #endif /* !OPENSSL_NO_SRP */
703 /* Configure per-SSL callbacks and other properties. */
704 static void configure_handshake_ssl(SSL *server, SSL *client,
705 const SSL_TEST_EXTRA_CONF *extra)
707 if (extra->client.servername != SSL_TEST_SERVERNAME_NONE)
708 SSL_set_tlsext_host_name(client,
709 ssl_servername_name(extra->client.servername));
710 if (extra->client.enable_pha)
711 SSL_set_post_handshake_auth(client, 1);
714 /* The status for each connection phase. */
723 /* An SSL object and associated read-write buffers. */
724 typedef struct peer_st {
726 /* Buffer lengths are int to match the SSL read/write API. */
727 unsigned char *write_buf;
729 unsigned char *read_buf;
733 peer_status_t status;
736 static int create_peer(PEER *peer, SSL_CTX *ctx)
738 static const int peer_buffer_size = 64 * 1024;
740 unsigned char *read_buf = NULL, *write_buf = NULL;
742 if (!TEST_ptr(ssl = SSL_new(ctx))
743 || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size))
744 || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size)))
748 peer->write_buf = write_buf;
749 peer->read_buf = read_buf;
750 peer->write_buf_len = peer->read_buf_len = peer_buffer_size;
754 OPENSSL_free(write_buf);
755 OPENSSL_free(read_buf);
759 static void peer_free_data(PEER *peer)
762 OPENSSL_free(peer->write_buf);
763 OPENSSL_free(peer->read_buf);
767 * Note that we could do the handshake transparently under an SSL_write,
768 * but separating the steps is more helpful for debugging test failures.
770 static void do_handshake_step(PEER *peer)
772 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
773 peer->status = PEER_TEST_FAILURE;
775 int ret = SSL_do_handshake(peer->ssl);
778 peer->status = PEER_SUCCESS;
779 } else if (ret == 0) {
780 peer->status = PEER_ERROR;
782 int error = SSL_get_error(peer->ssl, ret);
784 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
785 if (error != SSL_ERROR_WANT_READ
786 && error != SSL_ERROR_WANT_RETRY_VERIFY)
787 peer->status = PEER_ERROR;
793 * Send/receive some application data. The read-write sequence is
794 * Peer A: (R) W - first read will yield no data
801 static void do_app_data_step(PEER *peer)
803 int ret = 1, write_bytes;
805 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
806 peer->status = PEER_TEST_FAILURE;
810 /* We read everything available... */
811 while (ret > 0 && peer->bytes_to_read) {
812 ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len);
814 if (!TEST_int_le(ret, peer->bytes_to_read)) {
815 peer->status = PEER_TEST_FAILURE;
818 peer->bytes_to_read -= ret;
819 } else if (ret == 0) {
820 peer->status = PEER_ERROR;
823 int error = SSL_get_error(peer->ssl, ret);
824 if (error != SSL_ERROR_WANT_READ) {
825 peer->status = PEER_ERROR;
827 } /* Else continue with write. */
831 /* ... but we only write one write-buffer-full of data. */
832 write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write :
835 ret = SSL_write(peer->ssl, peer->write_buf, write_bytes);
837 /* SSL_write will only succeed with a complete write. */
838 if (!TEST_int_eq(ret, write_bytes)) {
839 peer->status = PEER_TEST_FAILURE;
842 peer->bytes_to_write -= ret;
845 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
846 * but this doesn't yet occur with current app data sizes.
848 peer->status = PEER_ERROR;
854 * We could simply finish when there was nothing to read, and we have
855 * nothing left to write. But keeping track of the expected number of bytes
856 * to read gives us somewhat better guarantees that all data sent is in fact
859 if (peer->bytes_to_write == 0 && peer->bytes_to_read == 0) {
860 peer->status = PEER_SUCCESS;
864 static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
869 if (peer->status == PEER_SUCCESS) {
871 * We are a client that succeeded this step previously, but the server
872 * wanted to retry. Probably there is a no_renegotiation warning alert
873 * waiting for us. Attempt to continue the handshake.
875 peer->status = PEER_RETRY;
876 do_handshake_step(peer);
880 if (!TEST_int_eq(peer->status, PEER_RETRY)
881 || !TEST_true(test_ctx->handshake_mode
882 == SSL_TEST_HANDSHAKE_RENEG_SERVER
883 || test_ctx->handshake_mode
884 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
885 || test_ctx->handshake_mode
886 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
887 || test_ctx->handshake_mode
888 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
889 || test_ctx->handshake_mode
890 == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) {
891 peer->status = PEER_TEST_FAILURE;
895 /* Reset the count of the amount of app data we need to read/write */
896 peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size;
898 /* Check if we are the peer that is going to initiate */
899 if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
900 && SSL_is_server(peer->ssl))
901 || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
902 && !SSL_is_server(peer->ssl))) {
904 * If we already asked for a renegotiation then fall through to the
907 if (!SSL_renegotiate_pending(peer->ssl)) {
909 * If we are the client we will always attempt to resume the
910 * session. The server may or may not resume dependent on the
911 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
913 if (SSL_is_server(peer->ssl)) {
914 ret = SSL_renegotiate(peer->ssl);
918 if (test_ctx->extra.client.no_extms_on_reneg) {
919 SSL_set_options(peer->ssl, SSL_OP_NO_EXTENDED_MASTER_SECRET);
922 if (test_ctx->extra.client.reneg_ciphers != NULL) {
923 if (!SSL_set_cipher_list(peer->ssl,
924 test_ctx->extra.client.reneg_ciphers)) {
925 peer->status = PEER_ERROR;
931 ret = SSL_renegotiate(peer->ssl);
933 ret = SSL_renegotiate_abbreviated(peer->ssl);
936 peer->status = PEER_ERROR;
939 do_handshake_step(peer);
941 * If status is PEER_RETRY it means we're waiting on the peer to
942 * continue the handshake. As far as setting up the renegotiation is
943 * concerned that is a success. The next step will continue the
944 * handshake to its conclusion.
946 * If status is PEER_SUCCESS then we are the server and we have
947 * successfully sent the HelloRequest. We need to continue to wait
948 * until the handshake arrives from the client.
950 if (peer->status == PEER_RETRY)
951 peer->status = PEER_SUCCESS;
952 else if (peer->status == PEER_SUCCESS)
953 peer->status = PEER_RETRY;
956 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
957 || test_ctx->handshake_mode
958 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) {
959 if (SSL_is_server(peer->ssl)
960 != (test_ctx->handshake_mode
961 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) {
962 peer->status = PEER_SUCCESS;
966 ret = SSL_key_update(peer->ssl, test_ctx->key_update_type);
968 peer->status = PEER_ERROR;
971 do_handshake_step(peer);
973 * This is a one step handshake. We shouldn't get anything other than
976 if (peer->status != PEER_SUCCESS)
977 peer->status = PEER_ERROR;
979 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) {
980 if (SSL_is_server(peer->ssl)) {
981 /* Make the server believe it's received the extension */
982 if (test_ctx->extra.server.force_pha)
983 peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
984 ret = SSL_verify_client_post_handshake(peer->ssl);
986 peer->status = PEER_ERROR;
990 do_handshake_step(peer);
992 * This is a one step handshake. We shouldn't get anything other than
995 if (peer->status != PEER_SUCCESS)
996 peer->status = PEER_ERROR;
1001 * The SSL object is still expecting app data, even though it's going to
1002 * get a handshake message. We try to read, and it should fail - after which
1003 * we should be in a handshake
1005 ret = SSL_read(peer->ssl, &buf, sizeof(buf));
1008 * We're not actually expecting data - we're expecting a reneg to
1011 peer->status = PEER_ERROR;
1014 int error = SSL_get_error(peer->ssl, ret);
1015 if (error != SSL_ERROR_WANT_READ) {
1016 peer->status = PEER_ERROR;
1019 /* If we're not in init yet then we're not done with setup yet */
1020 if (!SSL_in_init(peer->ssl))
1024 peer->status = PEER_SUCCESS;
1031 * Note that as of TLS 1.1,
1032 * failure to properly close a connection no longer requires that a
1033 * session not be resumed. This is a change from TLS 1.0 to conform
1034 * with widespread implementation practice.
1037 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
1038 * (b) We test lower versions, too.
1039 * So we just implement shutdown. We do a full bidirectional shutdown so that we
1040 * can compare sent and received close_notify alerts and get some test coverage
1041 * for SSL_shutdown as a bonus.
1043 static void do_shutdown_step(PEER *peer)
1047 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
1048 peer->status = PEER_TEST_FAILURE;
1051 ret = SSL_shutdown(peer->ssl);
1054 peer->status = PEER_SUCCESS;
1055 } else if (ret < 0) { /* On 0, we retry. */
1056 int error = SSL_get_error(peer->ssl, ret);
1058 if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE)
1059 peer->status = PEER_ERROR;
1065 RENEG_APPLICATION_DATA,
1074 static int renegotiate_op(const SSL_TEST_CTX *test_ctx)
1076 switch (test_ctx->handshake_mode) {
1077 case SSL_TEST_HANDSHAKE_RENEG_SERVER:
1078 case SSL_TEST_HANDSHAKE_RENEG_CLIENT:
1084 static int post_handshake_op(const SSL_TEST_CTX *test_ctx)
1086 switch (test_ctx->handshake_mode) {
1087 case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT:
1088 case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER:
1089 case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH:
1096 static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx,
1097 connect_phase_t phase)
1101 if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx))
1102 return RENEG_APPLICATION_DATA;
1103 return APPLICATION_DATA;
1104 case RENEG_APPLICATION_DATA:
1107 if (post_handshake_op(test_ctx))
1108 return APPLICATION_DATA;
1109 return RENEG_HANDSHAKE;
1110 case RENEG_HANDSHAKE:
1111 return APPLICATION_DATA;
1112 case APPLICATION_DATA:
1115 return CONNECTION_DONE;
1116 case CONNECTION_DONE:
1117 TEST_error("Trying to progress after connection done");
1123 static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer,
1124 connect_phase_t phase)
1128 do_handshake_step(peer);
1130 case RENEG_APPLICATION_DATA:
1131 do_app_data_step(peer);
1134 do_reneg_setup_step(test_ctx, peer);
1136 case RENEG_HANDSHAKE:
1137 do_handshake_step(peer);
1139 case APPLICATION_DATA:
1140 do_app_data_step(peer);
1143 do_shutdown_step(peer);
1145 case CONNECTION_DONE:
1146 TEST_error("Action after connection done");
1152 /* Both parties succeeded. */
1154 /* Client errored. */
1156 /* Server errored. */
1158 /* Peers are in inconsistent state. */
1160 /* One or both peers not done. */
1162 } handshake_status_t;
1165 * Determine the handshake outcome.
1166 * last_status: the status of the peer to have acted last.
1167 * previous_status: the status of the peer that didn't act last.
1168 * client_spoke_last: 1 if the client went last.
1170 static handshake_status_t handshake_status(peer_status_t last_status,
1171 peer_status_t previous_status,
1172 int client_spoke_last)
1174 switch (last_status) {
1175 case PEER_TEST_FAILURE:
1176 return INTERNAL_ERROR;
1179 /* Shouldn't ever happen */
1180 return INTERNAL_ERROR;
1183 switch (previous_status) {
1184 case PEER_TEST_FAILURE:
1185 return INTERNAL_ERROR;
1187 /* Both succeeded. */
1188 return HANDSHAKE_SUCCESS;
1191 /* Let the first peer finish. */
1192 return HANDSHAKE_RETRY;
1195 * Second peer succeeded despite the fact that the first peer
1196 * already errored. This shouldn't happen.
1198 return INTERNAL_ERROR;
1203 return HANDSHAKE_RETRY;
1206 switch (previous_status) {
1207 case PEER_TEST_FAILURE:
1208 return INTERNAL_ERROR;
1210 /* The client failed immediately before sending the ClientHello */
1211 return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR;
1213 /* First peer succeeded but second peer errored. */
1214 return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR;
1216 /* We errored; let the peer finish. */
1217 return HANDSHAKE_RETRY;
1219 /* Both peers errored. Return the one that errored first. */
1220 return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR;
1223 /* Control should never reach here. */
1224 return INTERNAL_ERROR;
1227 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
1228 static char *dup_str(const unsigned char *in, size_t len)
1235 /* Assert that the string does not contain NUL-bytes. */
1236 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len))
1237 TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len));
1241 static int pkey_type(EVP_PKEY *pkey)
1243 if (EVP_PKEY_is_a(pkey, "EC")) {
1247 if (!EVP_PKEY_get_group_name(pkey, name, sizeof(name), &name_len))
1249 return OBJ_txt2nid(name);
1251 return EVP_PKEY_get_id(pkey);
1254 static int peer_pkey_type(SSL *s)
1256 X509 *x = SSL_get0_peer_certificate(s);
1259 return pkey_type(X509_get0_pubkey(x));
1263 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1264 static int set_sock_as_sctp(int sock)
1266 struct sctp_assocparams assocparams;
1267 struct sctp_rtoinfo rto_info;
1271 * To allow tests to fail fast (within a second or so), reduce the
1272 * retransmission timeouts and the number of retransmissions.
1274 memset(&rto_info, 0, sizeof(struct sctp_rtoinfo));
1275 rto_info.srto_initial = 100;
1276 rto_info.srto_max = 200;
1277 rto_info.srto_min = 50;
1278 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO,
1279 (const void *)&rto_info, sizeof(struct sctp_rtoinfo));
1280 memset(&assocparams, 0, sizeof(struct sctp_assocparams));
1281 assocparams.sasoc_asocmaxrxt = 2;
1282 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_ASSOCINFO,
1283 (const void *)&assocparams,
1284 sizeof(struct sctp_assocparams));
1287 * For SCTP we have to set various options on the socket prior to
1288 * connecting. This is done automatically by BIO_new_dgram_sctp().
1289 * We don't actually need the created BIO though so we free it again
1292 tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
1301 static int create_sctp_socks(int *ssock, int *csock)
1303 BIO_ADDRINFO *res = NULL;
1304 const BIO_ADDRINFO *ai = NULL;
1305 int lsock = INVALID_SOCKET, asock = INVALID_SOCKET;
1306 int consock = INVALID_SOCKET;
1310 if (BIO_sock_init() != 1)
1314 * Port is 4463. It could be anything. It will fail if it's already being
1315 * used for some other SCTP service. It seems unlikely though so we don't
1316 * worry about it here.
1318 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM,
1319 IPPROTO_SCTP, &res))
1322 for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) {
1323 family = BIO_ADDRINFO_family(ai);
1324 lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1325 if (lsock == INVALID_SOCKET) {
1326 /* Maybe the kernel doesn't support the socket family, even if
1327 * BIO_lookup() added it in the returned result...
1332 if (!set_sock_as_sctp(lsock)
1333 || !BIO_listen(lsock, BIO_ADDRINFO_address(ai),
1334 BIO_SOCK_REUSEADDR)) {
1335 BIO_closesocket(lsock);
1336 lsock = INVALID_SOCKET;
1340 /* Success, don't try any more addresses */
1344 if (lsock == INVALID_SOCKET)
1347 BIO_ADDRINFO_free(res);
1350 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM,
1351 IPPROTO_SCTP, &res))
1354 consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1355 if (consock == INVALID_SOCKET)
1358 if (!set_sock_as_sctp(consock)
1359 || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0)
1360 || !BIO_socket_nbio(consock, 1))
1363 asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK);
1364 if (asock == INVALID_SOCKET)
1369 consock = asock = INVALID_SOCKET;
1373 BIO_ADDRINFO_free(res);
1374 if (consock != INVALID_SOCKET)
1375 BIO_closesocket(consock);
1376 if (lsock != INVALID_SOCKET)
1377 BIO_closesocket(lsock);
1378 if (asock != INVALID_SOCKET)
1379 BIO_closesocket(asock);
1385 * Note that |extra| points to the correct client/server configuration
1386 * within |test_ctx|. When configuring the handshake, general mode settings
1387 * are taken from |test_ctx|, and client/server-specific settings should be
1388 * taken from |extra|.
1390 * The configuration code should never reach into |test_ctx->extra| or
1391 * |test_ctx->resume_extra| directly.
1393 * (We could refactor test mode settings into a substructure. This would result
1394 * in cleaner argument passing but would complicate the test configuration
1397 static HANDSHAKE_RESULT *do_handshake_internal(
1398 SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
1399 const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra,
1400 SSL_SESSION *session_in, SSL_SESSION *serv_sess_in,
1401 SSL_SESSION **session_out, SSL_SESSION **serv_sess_out)
1403 PEER server, client;
1404 BIO *client_to_server = NULL, *server_to_client = NULL;
1405 HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
1406 CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data;
1407 HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new();
1408 int client_turn = 1, client_turn_count = 0, client_wait_count = 0;
1409 connect_phase_t phase = HANDSHAKE;
1410 handshake_status_t status = HANDSHAKE_RETRY;
1411 const unsigned char* tick = NULL;
1412 size_t tick_len = 0;
1413 const unsigned char* sess_id = NULL;
1414 unsigned int sess_id_len = 0;
1415 SSL_SESSION* sess = NULL;
1416 const unsigned char *proto = NULL;
1417 /* API dictates unsigned int rather than size_t. */
1418 unsigned int proto_len = 0;
1420 const STACK_OF(X509_NAME) *names;
1427 memset(&server_ctx_data, 0, sizeof(server_ctx_data));
1428 memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
1429 memset(&client_ctx_data, 0, sizeof(client_ctx_data));
1430 memset(&server, 0, sizeof(server));
1431 memset(&client, 0, sizeof(client));
1432 memset(&server_ex_data, 0, sizeof(server_ex_data));
1433 memset(&client_ex_data, 0, sizeof(client_ex_data));
1435 if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx,
1436 test_ctx, extra, &server_ctx_data,
1437 &server2_ctx_data, &client_ctx_data)) {
1438 TEST_note("configure_handshake_ctx");
1439 HANDSHAKE_RESULT_free(ret);
1443 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1444 if (test_ctx->enable_client_sctp_label_bug)
1445 SSL_CTX_set_mode(client_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1446 if (test_ctx->enable_server_sctp_label_bug)
1447 SSL_CTX_set_mode(server_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1450 /* Setup SSL and buffers; additional configuration happens below. */
1451 if (!create_peer(&server, server_ctx)) {
1452 TEST_note("creating server context");
1455 if (!create_peer(&client, client_ctx)) {
1456 TEST_note("creating client context");
1460 server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size;
1461 client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size;
1463 configure_handshake_ssl(server.ssl, client.ssl, extra);
1464 if (session_in != NULL) {
1465 SSL_SESSION_get_id(serv_sess_in, &sess_id_len);
1466 /* In case we're testing resumption without tickets. */
1467 if ((sess_id_len > 0
1468 && !TEST_true(SSL_CTX_add_session(server_ctx,
1470 || !TEST_true(SSL_set_session(client.ssl, session_in)))
1475 ret->result = SSL_TEST_INTERNAL_ERROR;
1477 if (test_ctx->use_sctp) {
1478 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1481 if (create_sctp_socks(&ssock, &csock)) {
1482 client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE);
1483 server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE);
1487 client_to_server = BIO_new(BIO_s_mem());
1488 server_to_client = BIO_new(BIO_s_mem());
1491 if (!TEST_ptr(client_to_server)
1492 || !TEST_ptr(server_to_client))
1495 /* Non-blocking bio. */
1496 BIO_set_nbio(client_to_server, 1);
1497 BIO_set_nbio(server_to_client, 1);
1499 SSL_set_connect_state(client.ssl);
1500 SSL_set_accept_state(server.ssl);
1502 /* The bios are now owned by the SSL object. */
1503 if (test_ctx->use_sctp) {
1504 SSL_set_bio(client.ssl, client_to_server, client_to_server);
1505 SSL_set_bio(server.ssl, server_to_client, server_to_client);
1507 SSL_set_bio(client.ssl, server_to_client, client_to_server);
1508 if (!TEST_int_gt(BIO_up_ref(server_to_client), 0)
1509 || !TEST_int_gt(BIO_up_ref(client_to_server), 0))
1511 SSL_set_bio(server.ssl, client_to_server, server_to_client);
1514 ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
1515 if (!TEST_int_ge(ex_data_idx, 0)
1516 || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1)
1517 || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1))
1520 SSL_set_info_callback(server.ssl, &info_cb);
1521 SSL_set_info_callback(client.ssl, &info_cb);
1523 client.status = PEER_RETRY;
1524 server.status = PEER_WAITING;
1529 * Half-duplex handshake loop.
1530 * Client and server speak to each other synchronously in the same process.
1531 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1532 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1533 * The handshake succeeds once both peers have succeeded. If one peer
1534 * errors out, we also let the other peer retry (and presumably fail).
1538 do_connect_step(test_ctx, &client, phase);
1539 status = handshake_status(client.status, server.status,
1540 1 /* client went last */);
1541 if (server.status == PEER_WAITING)
1542 server.status = PEER_RETRY;
1544 do_connect_step(test_ctx, &server, phase);
1545 status = handshake_status(server.status, client.status,
1546 0 /* server went last */);
1550 case HANDSHAKE_SUCCESS:
1551 client_turn_count = 0;
1552 phase = next_phase(test_ctx, phase);
1553 if (phase == CONNECTION_DONE) {
1554 ret->result = SSL_TEST_SUCCESS;
1557 client.status = server.status = PEER_RETRY;
1559 * For now, client starts each phase. Since each phase is
1560 * started separately, we can later control this more
1561 * precisely, for example, to test client-initiated and
1562 * server-initiated shutdown.
1568 ret->result = SSL_TEST_CLIENT_FAIL;
1571 ret->result = SSL_TEST_SERVER_FAIL;
1573 case INTERNAL_ERROR:
1574 ret->result = SSL_TEST_INTERNAL_ERROR;
1576 case HANDSHAKE_RETRY:
1577 if (test_ctx->use_sctp) {
1578 if (time(NULL) - start > 3) {
1580 * We've waited for too long. Give up.
1582 ret->result = SSL_TEST_INTERNAL_ERROR;
1586 * With "real" sockets we only swap to processing the peer
1587 * if they are expecting to retry. Otherwise we just retry the
1588 * same endpoint again.
1590 if ((client_turn && server.status == PEER_RETRY)
1591 || (!client_turn && client.status == PEER_RETRY))
1594 if (client_turn_count++ >= 2000) {
1596 * At this point, there's been so many PEER_RETRY in a row
1597 * that it's likely both sides are stuck waiting for a read.
1598 * It's time to give up.
1600 ret->result = SSL_TEST_INTERNAL_ERROR;
1603 if (client_turn && server.status == PEER_SUCCESS) {
1605 * The server may finish before the client because the
1606 * client spends some turns processing NewSessionTickets.
1608 if (client_wait_count++ >= 2) {
1609 ret->result = SSL_TEST_INTERNAL_ERROR;
1621 ret->server_alert_sent = server_ex_data.alert_sent;
1622 ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent;
1623 ret->server_alert_received = client_ex_data.alert_received;
1624 ret->client_alert_sent = client_ex_data.alert_sent;
1625 ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent;
1626 ret->client_alert_received = server_ex_data.alert_received;
1627 ret->server_protocol = SSL_version(server.ssl);
1628 ret->client_protocol = SSL_version(client.ssl);
1629 ret->servername = server_ex_data.servername;
1630 if ((sess = SSL_get0_session(client.ssl)) != NULL) {
1631 SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
1632 sess_id = SSL_SESSION_get_id(sess, &sess_id_len);
1634 if (tick == NULL || tick_len == 0)
1635 ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
1637 ret->session_ticket = SSL_TEST_SESSION_TICKET_YES;
1638 ret->compression = (SSL_get_current_compression(client.ssl) == NULL)
1639 ? SSL_TEST_COMPRESSION_NO
1640 : SSL_TEST_COMPRESSION_YES;
1641 if (sess_id == NULL || sess_id_len == 0)
1642 ret->session_id = SSL_TEST_SESSION_ID_NO;
1644 ret->session_id = SSL_TEST_SESSION_ID_YES;
1645 ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
1647 if (extra->client.verify_callback == SSL_TEST_VERIFY_RETRY_ONCE
1649 ret->result = SSL_TEST_SERVER_FAIL;
1651 #ifndef OPENSSL_NO_NEXTPROTONEG
1652 SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len);
1653 ret->client_npn_negotiated = dup_str(proto, proto_len);
1655 SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len);
1656 ret->server_npn_negotiated = dup_str(proto, proto_len);
1659 SSL_get0_alpn_selected(client.ssl, &proto, &proto_len);
1660 ret->client_alpn_negotiated = dup_str(proto, proto_len);
1662 SSL_get0_alpn_selected(server.ssl, &proto, &proto_len);
1663 ret->server_alpn_negotiated = dup_str(proto, proto_len);
1665 if ((sess = SSL_get0_session(server.ssl)) != NULL) {
1666 SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len);
1667 ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len);
1670 ret->client_resumed = SSL_session_reused(client.ssl);
1671 ret->server_resumed = SSL_session_reused(server.ssl);
1673 cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl));
1674 ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher));
1676 if (session_out != NULL)
1677 *session_out = SSL_get1_session(client.ssl);
1678 if (serv_sess_out != NULL) {
1679 SSL_SESSION *tmp = SSL_get_session(server.ssl);
1682 * We create a fresh copy that is not in the server session ctx linked
1686 *serv_sess_out = SSL_SESSION_dup(tmp);
1689 if (SSL_get_peer_tmp_key(client.ssl, &tmp_key)) {
1690 ret->tmp_key_type = pkey_type(tmp_key);
1691 EVP_PKEY_free(tmp_key);
1694 SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash);
1695 SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash);
1697 SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type);
1698 SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type);
1700 names = SSL_get0_peer_CA_list(client.ssl);
1702 ret->client_ca_names = NULL;
1704 ret->client_ca_names = SSL_dup_CA_list(names);
1706 names = SSL_get0_peer_CA_list(server.ssl);
1708 ret->server_ca_names = NULL;
1710 ret->server_ca_names = SSL_dup_CA_list(names);
1712 ret->server_cert_type = peer_pkey_type(client.ssl);
1713 ret->client_cert_type = peer_pkey_type(server.ssl);
1715 ctx_data_free_data(&server_ctx_data);
1716 ctx_data_free_data(&server2_ctx_data);
1717 ctx_data_free_data(&client_ctx_data);
1719 peer_free_data(&server);
1720 peer_free_data(&client);
1724 HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
1725 SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx,
1726 SSL_CTX *resume_client_ctx,
1727 const SSL_TEST_CTX *test_ctx)
1729 HANDSHAKE_RESULT *result;
1730 SSL_SESSION *session = NULL, *serv_sess = NULL;
1732 result = do_handshake_internal(server_ctx, server2_ctx, client_ctx,
1733 test_ctx, &test_ctx->extra,
1734 NULL, NULL, &session, &serv_sess);
1736 || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME
1737 || result->result == SSL_TEST_INTERNAL_ERROR)
1740 if (result->result != SSL_TEST_SUCCESS) {
1741 result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED;
1745 HANDSHAKE_RESULT_free(result);
1746 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1747 result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx,
1748 test_ctx, &test_ctx->resume_extra,
1749 session, serv_sess, NULL, NULL);
1751 SSL_SESSION_free(session);
1752 SSL_SESSION_free(serv_sess);