2 * Copyright 2016-2018 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 #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 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
26 #include <netinet/sctp.h>
29 HANDSHAKE_RESULT *HANDSHAKE_RESULT_new(void)
31 HANDSHAKE_RESULT *ret;
33 TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret)));
37 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result)
41 OPENSSL_free(result->client_npn_negotiated);
42 OPENSSL_free(result->server_npn_negotiated);
43 OPENSSL_free(result->client_alpn_negotiated);
44 OPENSSL_free(result->server_alpn_negotiated);
45 OPENSSL_free(result->result_session_ticket_app_data);
46 sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free);
47 sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free);
48 OPENSSL_free(result->cipher);
53 * Since there appears to be no way to extract the sent/received alert
54 * from the SSL object directly, we use the info callback and stash
55 * the result in ex_data.
57 typedef struct handshake_ex_data_st {
59 int num_fatal_alerts_sent;
61 int session_ticket_do_not_call;
62 ssl_servername_t servername;
65 typedef struct ctx_data_st {
66 unsigned char *npn_protocols;
67 size_t npn_protocols_len;
68 unsigned char *alpn_protocols;
69 size_t alpn_protocols_len;
72 char *session_ticket_app_data;
75 /* |ctx_data| itself is stack-allocated. */
76 static void ctx_data_free_data(CTX_DATA *ctx_data)
78 OPENSSL_free(ctx_data->npn_protocols);
79 ctx_data->npn_protocols = NULL;
80 OPENSSL_free(ctx_data->alpn_protocols);
81 ctx_data->alpn_protocols = NULL;
82 OPENSSL_free(ctx_data->srp_user);
83 ctx_data->srp_user = NULL;
84 OPENSSL_free(ctx_data->srp_password);
85 ctx_data->srp_password = NULL;
86 OPENSSL_free(ctx_data->session_ticket_app_data);
87 ctx_data->session_ticket_app_data = NULL;
90 static int ex_data_idx;
92 static void info_cb(const SSL *s, int where, int ret)
94 if (where & SSL_CB_ALERT) {
95 HANDSHAKE_EX_DATA *ex_data =
96 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
97 if (where & SSL_CB_WRITE) {
98 ex_data->alert_sent = ret;
99 if (strcmp(SSL_alert_type_string(ret), "F") == 0
100 || strcmp(SSL_alert_desc_string(ret), "CN") == 0)
101 ex_data->num_fatal_alerts_sent++;
103 ex_data->alert_received = ret;
108 /* Select the appropriate server CTX.
109 * Returns SSL_TLSEXT_ERR_OK if a match was found.
110 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
111 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
112 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
114 static int select_server_ctx(SSL *s, void *arg, int ignore)
116 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
117 HANDSHAKE_EX_DATA *ex_data =
118 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
120 if (servername == NULL) {
121 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
122 return SSL_TLSEXT_ERR_NOACK;
125 if (strcmp(servername, "server2") == 0) {
126 SSL_CTX *new_ctx = (SSL_CTX*)arg;
127 SSL_set_SSL_CTX(s, new_ctx);
129 * Copy over all the SSL_CTX options - reasonable behavior
130 * allows testing of cases where the options between two
131 * contexts differ/conflict
133 SSL_clear_options(s, 0xFFFFFFFFL);
134 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
136 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
137 return SSL_TLSEXT_ERR_OK;
138 } else if (strcmp(servername, "server1") == 0) {
139 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
140 return SSL_TLSEXT_ERR_OK;
142 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
143 return SSL_TLSEXT_ERR_NOACK;
145 /* Don't set an explicit alert, to test library defaults. */
146 return SSL_TLSEXT_ERR_ALERT_FATAL;
150 static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore)
152 const char *servername;
153 const unsigned char *p;
154 size_t len, remaining;
155 HANDSHAKE_EX_DATA *ex_data =
156 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
159 * The server_name extension was given too much extensibility when it
160 * was written, so parsing the normal case is a bit complex.
162 if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p,
166 /* Extract the length of the supplied list of names. */
169 if (len + 2 != remaining)
173 * The list in practice only has a single element, so we only consider
176 if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
179 /* Now we can finally pull out the byte array with the actual hostname. */
184 if (len + 2 > remaining)
187 servername = (const char *)p;
189 if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
190 SSL_CTX *new_ctx = arg;
191 SSL_set_SSL_CTX(s, new_ctx);
193 * Copy over all the SSL_CTX options - reasonable behavior
194 * allows testing of cases where the options between two
195 * contexts differ/conflict
197 SSL_clear_options(s, 0xFFFFFFFFL);
198 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
200 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
202 } else if (len == strlen("server1") &&
203 strncmp(servername, "server1", len) == 0) {
204 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
207 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
214 * If the server understood the ClientHello extension but
215 * does not recognize the server name, the server SHOULD take one of two
216 * actions: either abort the handshake by sending a fatal-level
217 * unrecognized_name(112) alert or continue the handshake.
219 * This behaviour is up to the application to configure; we test both
220 * configurations to ensure the state machine propagates the result
223 static int servername_ignore_cb(SSL *s, int *ad, void *arg)
225 return select_server_ctx(s, arg, 1);
228 static int servername_reject_cb(SSL *s, int *ad, void *arg)
230 return select_server_ctx(s, arg, 0);
233 static int client_hello_ignore_cb(SSL *s, int *al, void *arg)
235 if (!client_hello_select_server_ctx(s, arg, 1)) {
236 *al = SSL_AD_UNRECOGNIZED_NAME;
237 return SSL_CLIENT_HELLO_ERROR;
239 return SSL_CLIENT_HELLO_SUCCESS;
242 static int client_hello_reject_cb(SSL *s, int *al, void *arg)
244 if (!client_hello_select_server_ctx(s, arg, 0)) {
245 *al = SSL_AD_UNRECOGNIZED_NAME;
246 return SSL_CLIENT_HELLO_ERROR;
248 return SSL_CLIENT_HELLO_SUCCESS;
251 static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
255 const unsigned char *p;
257 v = SSL_client_hello_get0_legacy_version(s);
258 if (v > TLS1_2_VERSION || v < SSL3_VERSION) {
259 *al = SSL_AD_PROTOCOL_VERSION;
260 return SSL_CLIENT_HELLO_ERROR;
262 (void)SSL_client_hello_get0_session_id(s, &p);
264 SSL_client_hello_get0_random(s, &p) == 0 ||
265 SSL_client_hello_get0_ciphers(s, &p) == 0 ||
266 SSL_client_hello_get0_compression_methods(s, &p) == 0) {
267 *al = SSL_AD_INTERNAL_ERROR;
268 return SSL_CLIENT_HELLO_ERROR;
270 ret = client_hello_select_server_ctx(s, arg, 0);
271 SSL_set_max_proto_version(s, TLS1_1_VERSION);
273 *al = SSL_AD_UNRECOGNIZED_NAME;
274 return SSL_CLIENT_HELLO_ERROR;
276 return SSL_CLIENT_HELLO_SUCCESS;
279 static unsigned char dummy_ocsp_resp_good_val = 0xff;
280 static unsigned char dummy_ocsp_resp_bad_val = 0xfe;
282 static int server_ocsp_cb(SSL *s, void *arg)
286 resp = OPENSSL_malloc(1);
288 return SSL_TLSEXT_ERR_ALERT_FATAL;
290 * For the purposes of testing we just send back a dummy OCSP response
292 *resp = *(unsigned char *)arg;
293 if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1))
294 return SSL_TLSEXT_ERR_ALERT_FATAL;
296 return SSL_TLSEXT_ERR_OK;
299 static int client_ocsp_cb(SSL *s, void *arg)
301 const unsigned char *resp;
304 len = SSL_get_tlsext_status_ocsp_resp(s, &resp);
305 if (len != 1 || *resp != dummy_ocsp_resp_good_val)
311 static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) {
312 X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION);
316 static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) {
320 static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv,
321 EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc)
326 static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name,
329 HMAC_CTX *hctx, int enc)
331 HANDSHAKE_EX_DATA *ex_data =
332 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
333 ex_data->session_ticket_do_not_call = 1;
337 /* Parse the comma-separated list into TLS format. */
338 static int parse_protos(const char *protos, unsigned char **out, size_t *outlen)
340 size_t len, i, prefix;
342 len = strlen(protos);
344 /* Should never have reuse. */
345 if (!TEST_ptr_null(*out)
346 /* Test values are small, so we omit length limit checks. */
347 || !TEST_ptr(*out = OPENSSL_malloc(len + 1)))
352 * foo => '3', 'f', 'o', 'o'
353 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
355 memcpy(*out + 1, protos, len);
360 if ((*out)[i] == ',') {
361 if (!TEST_int_gt(i - 1, prefix))
363 (*out)[prefix] = (unsigned char)(i - 1 - prefix);
368 if (!TEST_int_gt(len, prefix))
370 (*out)[prefix] = (unsigned char)(len - prefix);
379 #ifndef OPENSSL_NO_NEXTPROTONEG
381 * The client SHOULD select the first protocol advertised by the server that it
382 * also supports. In the event that the client doesn't support any of server's
383 * protocols, or the server doesn't advertise any, it SHOULD select the first
384 * protocol that it supports.
386 static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen,
387 const unsigned char *in, unsigned int inlen,
390 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
393 ret = SSL_select_next_proto(out, outlen, in, inlen,
394 ctx_data->npn_protocols,
395 ctx_data->npn_protocols_len);
396 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
397 return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP)
398 ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL;
401 static int server_npn_cb(SSL *s, const unsigned char **data,
402 unsigned int *len, void *arg)
404 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
405 *data = ctx_data->npn_protocols;
406 *len = ctx_data->npn_protocols_len;
407 return SSL_TLSEXT_ERR_OK;
412 * The server SHOULD select the most highly preferred protocol that it supports
413 * and that is also advertised by the client. In the event that the server
414 * supports no protocols that the client advertises, then the server SHALL
415 * respond with a fatal "no_application_protocol" alert.
417 static int server_alpn_cb(SSL *s, const unsigned char **out,
418 unsigned char *outlen, const unsigned char *in,
419 unsigned int inlen, void *arg)
421 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
424 /* SSL_select_next_proto isn't const-correct... */
425 unsigned char *tmp_out;
428 * The result points either to |in| or to |ctx_data->alpn_protocols|.
429 * The callback is allowed to point to |in| or to a long-lived buffer,
430 * so we can return directly without storing a copy.
432 ret = SSL_select_next_proto(&tmp_out, outlen,
433 ctx_data->alpn_protocols,
434 ctx_data->alpn_protocols_len, in, inlen);
437 /* Unlike NPN, we don't tolerate a mismatch. */
438 return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK
439 : SSL_TLSEXT_ERR_ALERT_FATAL;
442 #ifndef OPENSSL_NO_SRP
443 static char *client_srp_cb(SSL *s, void *arg)
445 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
446 return OPENSSL_strdup(ctx_data->srp_password);
449 static int server_srp_cb(SSL *s, int *ad, void *arg)
451 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
452 if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0)
453 return SSL3_AL_FATAL;
454 if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user,
455 ctx_data->srp_password,
456 "2048" /* known group */) < 0) {
457 *ad = SSL_AD_INTERNAL_ERROR;
458 return SSL3_AL_FATAL;
460 return SSL_ERROR_NONE;
462 #endif /* !OPENSSL_NO_SRP */
464 static int generate_session_ticket_cb(SSL *s, void *arg)
466 CTX_DATA *server_ctx_data = arg;
467 SSL_SESSION *ss = SSL_get_session(s);
468 char *app_data = server_ctx_data->session_ticket_app_data;
470 if (ss == NULL || app_data == NULL)
473 return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data));
476 static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss,
477 const unsigned char *keyname,
479 SSL_TICKET_STATUS status,
483 case SSL_TICKET_EMPTY:
484 case SSL_TICKET_NO_DECRYPT:
485 return SSL_TICKET_RETURN_IGNORE_RENEW;
486 case SSL_TICKET_SUCCESS:
487 return SSL_TICKET_RETURN_USE;
488 case SSL_TICKET_SUCCESS_RENEW:
489 return SSL_TICKET_RETURN_USE_RENEW;
493 return SSL_TICKET_RETURN_ABORT;
497 * Configure callbacks and other properties that can't be set directly
498 * in the server/client CONF.
500 static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
502 const SSL_TEST_CTX *test,
503 const SSL_TEST_EXTRA_CONF *extra,
504 CTX_DATA *server_ctx_data,
505 CTX_DATA *server2_ctx_data,
506 CTX_DATA *client_ctx_data)
508 unsigned char *ticket_keys;
509 size_t ticket_key_len;
511 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx,
512 test->max_fragment_size), 1))
514 if (server2_ctx != NULL) {
515 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx,
516 test->max_fragment_size),
520 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx,
521 test->max_fragment_size), 1))
524 switch (extra->client.verify_callback) {
525 case SSL_TEST_VERIFY_ACCEPT_ALL:
526 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL);
528 case SSL_TEST_VERIFY_REJECT_ALL:
529 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL);
531 case SSL_TEST_VERIFY_NONE:
535 switch (extra->client.max_fragment_len_mode) {
536 case TLSEXT_max_fragment_length_512:
537 case TLSEXT_max_fragment_length_1024:
538 case TLSEXT_max_fragment_length_2048:
539 case TLSEXT_max_fragment_length_4096:
540 case TLSEXT_max_fragment_length_DISABLED:
541 SSL_CTX_set_tlsext_max_fragment_length(
542 client_ctx, extra->client.max_fragment_len_mode);
547 * Link the two contexts for SNI purposes.
548 * Also do ClientHello callbacks here, as setting both ClientHello and SNI
551 switch (extra->server.servername_callback) {
552 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH:
553 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb);
554 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
556 case SSL_TEST_SERVERNAME_REJECT_MISMATCH:
557 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb);
558 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
560 case SSL_TEST_SERVERNAME_CB_NONE:
562 case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH:
563 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx);
565 case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH:
566 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx);
568 case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12:
569 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx);
572 if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) {
573 SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp);
574 SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb);
575 SSL_CTX_set_tlsext_status_arg(client_ctx, NULL);
576 SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb);
577 SSL_CTX_set_tlsext_status_arg(server_ctx,
578 ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE)
579 ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val));
583 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
584 * session ticket. This ticket_key callback is assigned to the second
585 * session (assigned via SNI), and should never be invoked
587 if (server2_ctx != NULL)
588 SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx,
589 do_not_call_session_ticket_cb);
591 if (extra->server.broken_session_ticket) {
592 SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb);
594 #ifndef OPENSSL_NO_NEXTPROTONEG
595 if (extra->server.npn_protocols != NULL) {
596 if (!TEST_true(parse_protos(extra->server.npn_protocols,
597 &server_ctx_data->npn_protocols,
598 &server_ctx_data->npn_protocols_len)))
600 SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb,
603 if (extra->server2.npn_protocols != NULL) {
604 if (!TEST_true(parse_protos(extra->server2.npn_protocols,
605 &server2_ctx_data->npn_protocols,
606 &server2_ctx_data->npn_protocols_len))
607 || !TEST_ptr(server2_ctx))
609 SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb,
612 if (extra->client.npn_protocols != NULL) {
613 if (!TEST_true(parse_protos(extra->client.npn_protocols,
614 &client_ctx_data->npn_protocols,
615 &client_ctx_data->npn_protocols_len)))
617 SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb,
621 if (extra->server.alpn_protocols != NULL) {
622 if (!TEST_true(parse_protos(extra->server.alpn_protocols,
623 &server_ctx_data->alpn_protocols,
624 &server_ctx_data->alpn_protocols_len)))
626 SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data);
628 if (extra->server2.alpn_protocols != NULL) {
629 if (!TEST_ptr(server2_ctx)
630 || !TEST_true(parse_protos(extra->server2.alpn_protocols,
631 &server2_ctx_data->alpn_protocols,
632 &server2_ctx_data->alpn_protocols_len
635 SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb,
638 if (extra->client.alpn_protocols != NULL) {
639 unsigned char *alpn_protos = NULL;
640 size_t alpn_protos_len;
641 if (!TEST_true(parse_protos(extra->client.alpn_protocols,
642 &alpn_protos, &alpn_protos_len))
643 /* Reversed return value convention... */
644 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos,
645 alpn_protos_len), 0))
647 OPENSSL_free(alpn_protos);
650 if (extra->server.session_ticket_app_data != NULL) {
651 server_ctx_data->session_ticket_app_data =
652 OPENSSL_strdup(extra->server.session_ticket_app_data);
653 SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb,
654 decrypt_session_ticket_cb, server_ctx_data);
656 if (extra->server2.session_ticket_app_data != NULL) {
657 if (!TEST_ptr(server2_ctx))
659 server2_ctx_data->session_ticket_app_data =
660 OPENSSL_strdup(extra->server2.session_ticket_app_data);
661 SSL_CTX_set_session_ticket_cb(server2_ctx, NULL,
662 decrypt_session_ticket_cb, server2_ctx_data);
666 * Use fixed session ticket keys so that we can decrypt a ticket created with
667 * one CTX in another CTX. Don't address server2 for the moment.
669 ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0);
670 if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len))
671 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx,
673 ticket_key_len), 1)) {
674 OPENSSL_free(ticket_keys);
677 OPENSSL_free(ticket_keys);
679 /* The default log list includes EC keys, so CT can't work without EC. */
680 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
681 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx)))
683 switch (extra->client.ct_validation) {
684 case SSL_TEST_CT_VALIDATION_PERMISSIVE:
685 if (!TEST_true(SSL_CTX_enable_ct(client_ctx,
686 SSL_CT_VALIDATION_PERMISSIVE)))
689 case SSL_TEST_CT_VALIDATION_STRICT:
690 if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT)))
693 case SSL_TEST_CT_VALIDATION_NONE:
697 #ifndef OPENSSL_NO_SRP
698 if (extra->server.srp_user != NULL) {
699 SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb);
700 server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user);
701 server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password);
702 SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data);
704 if (extra->server2.srp_user != NULL) {
705 if (!TEST_ptr(server2_ctx))
707 SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb);
708 server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user);
709 server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password);
710 SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data);
712 if (extra->client.srp_user != NULL) {
713 if (!TEST_true(SSL_CTX_set_srp_username(client_ctx,
714 extra->client.srp_user)))
716 SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb);
717 client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password);
718 SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data);
720 #endif /* !OPENSSL_NO_SRP */
726 /* Configure per-SSL callbacks and other properties. */
727 static void configure_handshake_ssl(SSL *server, SSL *client,
728 const SSL_TEST_EXTRA_CONF *extra)
730 if (extra->client.servername != SSL_TEST_SERVERNAME_NONE)
731 SSL_set_tlsext_host_name(client,
732 ssl_servername_name(extra->client.servername));
733 if (extra->client.enable_pha)
734 SSL_set_post_handshake_auth(client, 1);
737 /* The status for each connection phase. */
746 /* An SSL object and associated read-write buffers. */
747 typedef struct peer_st {
749 /* Buffer lengths are int to match the SSL read/write API. */
750 unsigned char *write_buf;
752 unsigned char *read_buf;
756 peer_status_t status;
759 static int create_peer(PEER *peer, SSL_CTX *ctx)
761 static const int peer_buffer_size = 64 * 1024;
763 unsigned char *read_buf = NULL, *write_buf = NULL;
765 if (!TEST_ptr(ssl = SSL_new(ctx))
766 || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size))
767 || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size)))
771 peer->write_buf = write_buf;
772 peer->read_buf = read_buf;
773 peer->write_buf_len = peer->read_buf_len = peer_buffer_size;
777 OPENSSL_free(write_buf);
778 OPENSSL_free(read_buf);
782 static void peer_free_data(PEER *peer)
785 OPENSSL_free(peer->write_buf);
786 OPENSSL_free(peer->read_buf);
790 * Note that we could do the handshake transparently under an SSL_write,
791 * but separating the steps is more helpful for debugging test failures.
793 static void do_handshake_step(PEER *peer)
795 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
796 peer->status = PEER_TEST_FAILURE;
798 int ret = SSL_do_handshake(peer->ssl);
801 peer->status = PEER_SUCCESS;
802 } else if (ret == 0) {
803 peer->status = PEER_ERROR;
805 int error = SSL_get_error(peer->ssl, ret);
806 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
807 if (error != SSL_ERROR_WANT_READ)
808 peer->status = PEER_ERROR;
814 * Send/receive some application data. The read-write sequence is
815 * Peer A: (R) W - first read will yield no data
822 static void do_app_data_step(PEER *peer)
824 int ret = 1, write_bytes;
826 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
827 peer->status = PEER_TEST_FAILURE;
831 /* We read everything available... */
832 while (ret > 0 && peer->bytes_to_read) {
833 ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len);
835 if (!TEST_int_le(ret, peer->bytes_to_read)) {
836 peer->status = PEER_TEST_FAILURE;
839 peer->bytes_to_read -= ret;
840 } else if (ret == 0) {
841 peer->status = PEER_ERROR;
844 int error = SSL_get_error(peer->ssl, ret);
845 if (error != SSL_ERROR_WANT_READ) {
846 peer->status = PEER_ERROR;
848 } /* Else continue with write. */
852 /* ... but we only write one write-buffer-full of data. */
853 write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write :
856 ret = SSL_write(peer->ssl, peer->write_buf, write_bytes);
858 /* SSL_write will only succeed with a complete write. */
859 if (!TEST_int_eq(ret, write_bytes)) {
860 peer->status = PEER_TEST_FAILURE;
863 peer->bytes_to_write -= ret;
866 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
867 * but this doesn't yet occur with current app data sizes.
869 peer->status = PEER_ERROR;
875 * We could simply finish when there was nothing to read, and we have
876 * nothing left to write. But keeping track of the expected number of bytes
877 * to read gives us somewhat better guarantees that all data sent is in fact
880 if (!peer->bytes_to_write && !peer->bytes_to_read) {
881 peer->status = PEER_SUCCESS;
885 static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
890 if (peer->status == PEER_SUCCESS) {
892 * We are a client that succeeded this step previously, but the server
893 * wanted to retry. Probably there is a no_renegotiation warning alert
894 * waiting for us. Attempt to continue the handshake.
896 peer->status = PEER_RETRY;
897 do_handshake_step(peer);
901 if (!TEST_int_eq(peer->status, PEER_RETRY)
902 || !TEST_true(test_ctx->handshake_mode
903 == SSL_TEST_HANDSHAKE_RENEG_SERVER
904 || test_ctx->handshake_mode
905 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
906 || test_ctx->handshake_mode
907 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
908 || test_ctx->handshake_mode
909 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
910 || test_ctx->handshake_mode
911 == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) {
912 peer->status = PEER_TEST_FAILURE;
916 /* Reset the count of the amount of app data we need to read/write */
917 peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size;
919 /* Check if we are the peer that is going to initiate */
920 if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
921 && SSL_is_server(peer->ssl))
922 || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
923 && !SSL_is_server(peer->ssl))) {
925 * If we already asked for a renegotiation then fall through to the
928 if (!SSL_renegotiate_pending(peer->ssl)) {
930 * If we are the client we will always attempt to resume the
931 * session. The server may or may not resume dependent on the
932 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
934 if (SSL_is_server(peer->ssl)) {
935 ret = SSL_renegotiate(peer->ssl);
937 if (test_ctx->extra.client.reneg_ciphers != NULL) {
938 if (!SSL_set_cipher_list(peer->ssl,
939 test_ctx->extra.client.reneg_ciphers)) {
940 peer->status = PEER_ERROR;
943 ret = SSL_renegotiate(peer->ssl);
945 ret = SSL_renegotiate_abbreviated(peer->ssl);
949 peer->status = PEER_ERROR;
952 do_handshake_step(peer);
954 * If status is PEER_RETRY it means we're waiting on the peer to
955 * continue the handshake. As far as setting up the renegotiation is
956 * concerned that is a success. The next step will continue the
957 * handshake to its conclusion.
959 * If status is PEER_SUCCESS then we are the server and we have
960 * successfully sent the HelloRequest. We need to continue to wait
961 * until the handshake arrives from the client.
963 if (peer->status == PEER_RETRY)
964 peer->status = PEER_SUCCESS;
965 else if (peer->status == PEER_SUCCESS)
966 peer->status = PEER_RETRY;
969 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
970 || test_ctx->handshake_mode
971 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) {
972 if (SSL_is_server(peer->ssl)
973 != (test_ctx->handshake_mode
974 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) {
975 peer->status = PEER_SUCCESS;
979 ret = SSL_key_update(peer->ssl, test_ctx->key_update_type);
981 peer->status = PEER_ERROR;
984 do_handshake_step(peer);
986 * This is a one step handshake. We shouldn't get anything other than
989 if (peer->status != PEER_SUCCESS)
990 peer->status = PEER_ERROR;
992 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) {
993 if (SSL_is_server(peer->ssl)) {
994 /* Make the server believe it's received the extension */
995 if (test_ctx->extra.server.force_pha)
996 peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
997 ret = SSL_verify_client_post_handshake(peer->ssl);
999 peer->status = PEER_ERROR;
1003 do_handshake_step(peer);
1005 * This is a one step handshake. We shouldn't get anything other than
1008 if (peer->status != PEER_SUCCESS)
1009 peer->status = PEER_ERROR;
1014 * The SSL object is still expecting app data, even though it's going to
1015 * get a handshake message. We try to read, and it should fail - after which
1016 * we should be in a handshake
1018 ret = SSL_read(peer->ssl, &buf, sizeof(buf));
1021 * We're not actually expecting data - we're expecting a reneg to
1024 peer->status = PEER_ERROR;
1027 int error = SSL_get_error(peer->ssl, ret);
1028 if (error != SSL_ERROR_WANT_READ) {
1029 peer->status = PEER_ERROR;
1032 /* If we're not in init yet then we're not done with setup yet */
1033 if (!SSL_in_init(peer->ssl))
1037 peer->status = PEER_SUCCESS;
1044 * Note that as of TLS 1.1,
1045 * failure to properly close a connection no longer requires that a
1046 * session not be resumed. This is a change from TLS 1.0 to conform
1047 * with widespread implementation practice.
1050 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
1051 * (b) We test lower versions, too.
1052 * So we just implement shutdown. We do a full bidirectional shutdown so that we
1053 * can compare sent and received close_notify alerts and get some test coverage
1054 * for SSL_shutdown as a bonus.
1056 static void do_shutdown_step(PEER *peer)
1060 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
1061 peer->status = PEER_TEST_FAILURE;
1064 ret = SSL_shutdown(peer->ssl);
1067 peer->status = PEER_SUCCESS;
1068 } else if (ret < 0) { /* On 0, we retry. */
1069 int error = SSL_get_error(peer->ssl, ret);
1071 if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE)
1072 peer->status = PEER_ERROR;
1078 RENEG_APPLICATION_DATA,
1087 static int renegotiate_op(const SSL_TEST_CTX *test_ctx)
1089 switch (test_ctx->handshake_mode) {
1090 case SSL_TEST_HANDSHAKE_RENEG_SERVER:
1091 case SSL_TEST_HANDSHAKE_RENEG_CLIENT:
1097 static int post_handshake_op(const SSL_TEST_CTX *test_ctx)
1099 switch (test_ctx->handshake_mode) {
1100 case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT:
1101 case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER:
1102 case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH:
1109 static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx,
1110 connect_phase_t phase)
1114 if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx))
1115 return RENEG_APPLICATION_DATA;
1116 return APPLICATION_DATA;
1117 case RENEG_APPLICATION_DATA:
1120 if (post_handshake_op(test_ctx))
1121 return APPLICATION_DATA;
1122 return RENEG_HANDSHAKE;
1123 case RENEG_HANDSHAKE:
1124 return APPLICATION_DATA;
1125 case APPLICATION_DATA:
1128 return CONNECTION_DONE;
1129 case CONNECTION_DONE:
1130 TEST_error("Trying to progress after connection done");
1136 static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer,
1137 connect_phase_t phase)
1141 do_handshake_step(peer);
1143 case RENEG_APPLICATION_DATA:
1144 do_app_data_step(peer);
1147 do_reneg_setup_step(test_ctx, peer);
1149 case RENEG_HANDSHAKE:
1150 do_handshake_step(peer);
1152 case APPLICATION_DATA:
1153 do_app_data_step(peer);
1156 do_shutdown_step(peer);
1158 case CONNECTION_DONE:
1159 TEST_error("Action after connection done");
1165 /* Both parties succeeded. */
1167 /* Client errored. */
1169 /* Server errored. */
1171 /* Peers are in inconsistent state. */
1173 /* One or both peers not done. */
1175 } handshake_status_t;
1178 * Determine the handshake outcome.
1179 * last_status: the status of the peer to have acted last.
1180 * previous_status: the status of the peer that didn't act last.
1181 * client_spoke_last: 1 if the client went last.
1183 static handshake_status_t handshake_status(peer_status_t last_status,
1184 peer_status_t previous_status,
1185 int client_spoke_last)
1187 switch (last_status) {
1188 case PEER_TEST_FAILURE:
1189 return INTERNAL_ERROR;
1192 /* Shouldn't ever happen */
1193 return INTERNAL_ERROR;
1196 switch (previous_status) {
1197 case PEER_TEST_FAILURE:
1198 return INTERNAL_ERROR;
1200 /* Both succeeded. */
1201 return HANDSHAKE_SUCCESS;
1204 /* Let the first peer finish. */
1205 return HANDSHAKE_RETRY;
1208 * Second peer succeeded despite the fact that the first peer
1209 * already errored. This shouldn't happen.
1211 return INTERNAL_ERROR;
1216 return HANDSHAKE_RETRY;
1219 switch (previous_status) {
1220 case PEER_TEST_FAILURE:
1221 return INTERNAL_ERROR;
1223 /* The client failed immediately before sending the ClientHello */
1224 return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR;
1227 * First peer succeeded but second peer errored.
1228 * TODO(emilia): we should be able to continue here (with some
1229 * application data?) to ensure the first peer receives the
1230 * alert / close_notify.
1231 * (No tests currently exercise this branch.)
1233 return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR;
1235 /* We errored; let the peer finish. */
1236 return HANDSHAKE_RETRY;
1238 /* Both peers errored. Return the one that errored first. */
1239 return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR;
1242 /* Control should never reach here. */
1243 return INTERNAL_ERROR;
1246 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
1247 static char *dup_str(const unsigned char *in, size_t len)
1254 /* Assert that the string does not contain NUL-bytes. */
1255 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len))
1256 TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len));
1260 static int pkey_type(EVP_PKEY *pkey)
1262 int nid = EVP_PKEY_id(pkey);
1264 #ifndef OPENSSL_NO_EC
1265 if (nid == EVP_PKEY_EC) {
1266 const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey);
1267 return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
1273 static int peer_pkey_type(SSL *s)
1275 X509 *x = SSL_get_peer_certificate(s);
1278 int nid = pkey_type(X509_get0_pubkey(x));
1286 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1287 static int set_sock_as_sctp(int sock)
1289 struct sctp_assocparams assocparams;
1290 struct sctp_rtoinfo rto_info;
1294 * To allow tests to fail fast (within a second or so), reduce the
1295 * retransmission timeouts and the number of retransmissions.
1297 memset(&rto_info, 0, sizeof(struct sctp_rtoinfo));
1298 rto_info.srto_initial = 100;
1299 rto_info.srto_max = 200;
1300 rto_info.srto_min = 50;
1301 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO,
1302 (const void *)&rto_info, sizeof(struct sctp_rtoinfo));
1303 memset(&assocparams, 0, sizeof(struct sctp_assocparams));
1304 assocparams.sasoc_asocmaxrxt = 2;
1305 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_ASSOCINFO,
1306 (const void *)&assocparams,
1307 sizeof(struct sctp_assocparams));
1310 * For SCTP we have to set various options on the socket prior to
1311 * connecting. This is done automatically by BIO_new_dgram_sctp().
1312 * We don't actually need the created BIO though so we free it again
1315 tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
1324 static int create_sctp_socks(int *ssock, int *csock)
1326 BIO_ADDRINFO *res = NULL;
1327 const BIO_ADDRINFO *ai = NULL;
1328 int lsock = INVALID_SOCKET, asock = INVALID_SOCKET;
1329 int consock = INVALID_SOCKET;
1333 if (BIO_sock_init() != 1)
1337 * Port is 4463. It could be anything. It will fail if it's already being
1338 * used for some other SCTP service. It seems unlikely though so we don't
1339 * worry about it here.
1341 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM,
1342 IPPROTO_SCTP, &res))
1345 for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) {
1346 family = BIO_ADDRINFO_family(ai);
1347 lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1348 if (lsock == INVALID_SOCKET) {
1349 /* Maybe the kernel doesn't support the socket family, even if
1350 * BIO_lookup() added it in the returned result...
1355 if (!set_sock_as_sctp(lsock)
1356 || !BIO_listen(lsock, BIO_ADDRINFO_address(ai),
1357 BIO_SOCK_REUSEADDR)) {
1358 BIO_closesocket(lsock);
1359 lsock = INVALID_SOCKET;
1363 /* Success, don't try any more addresses */
1367 if (lsock == INVALID_SOCKET)
1370 BIO_ADDRINFO_free(res);
1373 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM,
1374 IPPROTO_SCTP, &res))
1377 consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1378 if (consock == INVALID_SOCKET)
1381 if (!set_sock_as_sctp(consock)
1382 || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0)
1383 || !BIO_socket_nbio(consock, 1))
1386 asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK);
1387 if (asock == INVALID_SOCKET)
1392 consock = asock = INVALID_SOCKET;
1396 BIO_ADDRINFO_free(res);
1397 if (consock != INVALID_SOCKET)
1398 BIO_closesocket(consock);
1399 if (lsock != INVALID_SOCKET)
1400 BIO_closesocket(lsock);
1401 if (asock != INVALID_SOCKET)
1402 BIO_closesocket(asock);
1408 * Note that |extra| points to the correct client/server configuration
1409 * within |test_ctx|. When configuring the handshake, general mode settings
1410 * are taken from |test_ctx|, and client/server-specific settings should be
1411 * taken from |extra|.
1413 * The configuration code should never reach into |test_ctx->extra| or
1414 * |test_ctx->resume_extra| directly.
1416 * (We could refactor test mode settings into a substructure. This would result
1417 * in cleaner argument passing but would complicate the test configuration
1420 static HANDSHAKE_RESULT *do_handshake_internal(
1421 SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
1422 const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra,
1423 SSL_SESSION *session_in, SSL_SESSION *serv_sess_in,
1424 SSL_SESSION **session_out, SSL_SESSION **serv_sess_out)
1426 PEER server, client;
1427 BIO *client_to_server = NULL, *server_to_client = NULL;
1428 HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
1429 CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data;
1430 HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new();
1431 int client_turn = 1, client_turn_count = 0, client_wait_count = 0;
1432 connect_phase_t phase = HANDSHAKE;
1433 handshake_status_t status = HANDSHAKE_RETRY;
1434 const unsigned char* tick = NULL;
1435 size_t tick_len = 0;
1436 const unsigned char* sess_id = NULL;
1437 unsigned int sess_id_len = 0;
1438 SSL_SESSION* sess = NULL;
1439 const unsigned char *proto = NULL;
1440 /* API dictates unsigned int rather than size_t. */
1441 unsigned int proto_len = 0;
1443 const STACK_OF(X509_NAME) *names;
1450 memset(&server_ctx_data, 0, sizeof(server_ctx_data));
1451 memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
1452 memset(&client_ctx_data, 0, sizeof(client_ctx_data));
1453 memset(&server, 0, sizeof(server));
1454 memset(&client, 0, sizeof(client));
1455 memset(&server_ex_data, 0, sizeof(server_ex_data));
1456 memset(&client_ex_data, 0, sizeof(client_ex_data));
1458 if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx,
1459 test_ctx, extra, &server_ctx_data,
1460 &server2_ctx_data, &client_ctx_data)) {
1461 TEST_note("configure_handshake_ctx");
1465 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1466 if (test_ctx->enable_client_sctp_label_bug)
1467 SSL_CTX_set_mode(client_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1468 if (test_ctx->enable_server_sctp_label_bug)
1469 SSL_CTX_set_mode(server_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1472 /* Setup SSL and buffers; additional configuration happens below. */
1473 if (!create_peer(&server, server_ctx)) {
1474 TEST_note("creating server context");
1477 if (!create_peer(&client, client_ctx)) {
1478 TEST_note("creating client context");
1482 server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size;
1483 client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size;
1485 configure_handshake_ssl(server.ssl, client.ssl, extra);
1486 if (session_in != NULL) {
1487 SSL_SESSION_get_id(serv_sess_in, &sess_id_len);
1488 /* In case we're testing resumption without tickets. */
1489 if ((sess_id_len > 0
1490 && !TEST_true(SSL_CTX_add_session(server_ctx,
1492 || !TEST_true(SSL_set_session(client.ssl, session_in)))
1497 ret->result = SSL_TEST_INTERNAL_ERROR;
1499 if (test_ctx->use_sctp) {
1500 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1503 if (create_sctp_socks(&ssock, &csock)) {
1504 client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE);
1505 server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE);
1509 client_to_server = BIO_new(BIO_s_mem());
1510 server_to_client = BIO_new(BIO_s_mem());
1513 if (!TEST_ptr(client_to_server)
1514 || !TEST_ptr(server_to_client))
1517 /* Non-blocking bio. */
1518 BIO_set_nbio(client_to_server, 1);
1519 BIO_set_nbio(server_to_client, 1);
1521 SSL_set_connect_state(client.ssl);
1522 SSL_set_accept_state(server.ssl);
1524 /* The bios are now owned by the SSL object. */
1525 if (test_ctx->use_sctp) {
1526 SSL_set_bio(client.ssl, client_to_server, client_to_server);
1527 SSL_set_bio(server.ssl, server_to_client, server_to_client);
1529 SSL_set_bio(client.ssl, server_to_client, client_to_server);
1530 if (!TEST_int_gt(BIO_up_ref(server_to_client), 0)
1531 || !TEST_int_gt(BIO_up_ref(client_to_server), 0))
1533 SSL_set_bio(server.ssl, client_to_server, server_to_client);
1536 ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
1537 if (!TEST_int_ge(ex_data_idx, 0)
1538 || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1)
1539 || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1))
1542 SSL_set_info_callback(server.ssl, &info_cb);
1543 SSL_set_info_callback(client.ssl, &info_cb);
1545 client.status = PEER_RETRY;
1546 server.status = PEER_WAITING;
1551 * Half-duplex handshake loop.
1552 * Client and server speak to each other synchronously in the same process.
1553 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1554 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1555 * The handshake succeeds once both peers have succeeded. If one peer
1556 * errors out, we also let the other peer retry (and presumably fail).
1560 do_connect_step(test_ctx, &client, phase);
1561 status = handshake_status(client.status, server.status,
1562 1 /* client went last */);
1563 if (server.status == PEER_WAITING)
1564 server.status = PEER_RETRY;
1566 do_connect_step(test_ctx, &server, phase);
1567 status = handshake_status(server.status, client.status,
1568 0 /* server went last */);
1572 case HANDSHAKE_SUCCESS:
1573 client_turn_count = 0;
1574 phase = next_phase(test_ctx, phase);
1575 if (phase == CONNECTION_DONE) {
1576 ret->result = SSL_TEST_SUCCESS;
1579 client.status = server.status = PEER_RETRY;
1581 * For now, client starts each phase. Since each phase is
1582 * started separately, we can later control this more
1583 * precisely, for example, to test client-initiated and
1584 * server-initiated shutdown.
1590 ret->result = SSL_TEST_CLIENT_FAIL;
1593 ret->result = SSL_TEST_SERVER_FAIL;
1595 case INTERNAL_ERROR:
1596 ret->result = SSL_TEST_INTERNAL_ERROR;
1598 case HANDSHAKE_RETRY:
1599 if (test_ctx->use_sctp) {
1600 if (time(NULL) - start > 3) {
1602 * We've waited for too long. Give up.
1604 ret->result = SSL_TEST_INTERNAL_ERROR;
1608 * With "real" sockets we only swap to processing the peer
1609 * if they are expecting to retry. Otherwise we just retry the
1610 * same endpoint again.
1612 if ((client_turn && server.status == PEER_RETRY)
1613 || (!client_turn && client.status == PEER_RETRY))
1616 if (client_turn_count++ >= 2000) {
1618 * At this point, there's been so many PEER_RETRY in a row
1619 * that it's likely both sides are stuck waiting for a read.
1620 * It's time to give up.
1622 ret->result = SSL_TEST_INTERNAL_ERROR;
1625 if (client_turn && server.status == PEER_SUCCESS) {
1627 * The server may finish before the client because the
1628 * client spends some turns processing NewSessionTickets.
1630 if (client_wait_count++ >= 2) {
1631 ret->result = SSL_TEST_INTERNAL_ERROR;
1643 ret->server_alert_sent = server_ex_data.alert_sent;
1644 ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent;
1645 ret->server_alert_received = client_ex_data.alert_received;
1646 ret->client_alert_sent = client_ex_data.alert_sent;
1647 ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent;
1648 ret->client_alert_received = server_ex_data.alert_received;
1649 ret->server_protocol = SSL_version(server.ssl);
1650 ret->client_protocol = SSL_version(client.ssl);
1651 ret->servername = server_ex_data.servername;
1652 if ((sess = SSL_get0_session(client.ssl)) != NULL) {
1653 SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
1654 sess_id = SSL_SESSION_get_id(sess, &sess_id_len);
1656 if (tick == NULL || tick_len == 0)
1657 ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
1659 ret->session_ticket = SSL_TEST_SESSION_TICKET_YES;
1660 ret->compression = (SSL_get_current_compression(client.ssl) == NULL)
1661 ? SSL_TEST_COMPRESSION_NO
1662 : SSL_TEST_COMPRESSION_YES;
1663 if (sess_id == NULL || sess_id_len == 0)
1664 ret->session_id = SSL_TEST_SESSION_ID_NO;
1666 ret->session_id = SSL_TEST_SESSION_ID_YES;
1667 ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
1669 #ifndef OPENSSL_NO_NEXTPROTONEG
1670 SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len);
1671 ret->client_npn_negotiated = dup_str(proto, proto_len);
1673 SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len);
1674 ret->server_npn_negotiated = dup_str(proto, proto_len);
1677 SSL_get0_alpn_selected(client.ssl, &proto, &proto_len);
1678 ret->client_alpn_negotiated = dup_str(proto, proto_len);
1680 SSL_get0_alpn_selected(server.ssl, &proto, &proto_len);
1681 ret->server_alpn_negotiated = dup_str(proto, proto_len);
1683 if ((sess = SSL_get0_session(server.ssl)) != NULL) {
1684 SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len);
1685 ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len);
1688 ret->client_resumed = SSL_session_reused(client.ssl);
1689 ret->server_resumed = SSL_session_reused(server.ssl);
1691 cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl));
1692 ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher));
1694 if (session_out != NULL)
1695 *session_out = SSL_get1_session(client.ssl);
1696 if (serv_sess_out != NULL) {
1697 SSL_SESSION *tmp = SSL_get_session(server.ssl);
1700 * We create a fresh copy that is not in the server session ctx linked
1704 *serv_sess_out = SSL_SESSION_dup(tmp);
1707 if (SSL_get_peer_tmp_key(client.ssl, &tmp_key)) {
1708 ret->tmp_key_type = pkey_type(tmp_key);
1709 EVP_PKEY_free(tmp_key);
1712 SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash);
1713 SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash);
1715 SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type);
1716 SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type);
1718 names = SSL_get0_peer_CA_list(client.ssl);
1720 ret->client_ca_names = NULL;
1722 ret->client_ca_names = SSL_dup_CA_list(names);
1724 names = SSL_get0_peer_CA_list(server.ssl);
1726 ret->server_ca_names = NULL;
1728 ret->server_ca_names = SSL_dup_CA_list(names);
1730 ret->server_cert_type = peer_pkey_type(client.ssl);
1731 ret->client_cert_type = peer_pkey_type(server.ssl);
1733 ctx_data_free_data(&server_ctx_data);
1734 ctx_data_free_data(&server2_ctx_data);
1735 ctx_data_free_data(&client_ctx_data);
1737 peer_free_data(&server);
1738 peer_free_data(&client);
1742 HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
1743 SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx,
1744 SSL_CTX *resume_client_ctx,
1745 const SSL_TEST_CTX *test_ctx)
1747 HANDSHAKE_RESULT *result;
1748 SSL_SESSION *session = NULL, *serv_sess = NULL;
1750 result = do_handshake_internal(server_ctx, server2_ctx, client_ctx,
1751 test_ctx, &test_ctx->extra,
1752 NULL, NULL, &session, &serv_sess);
1754 || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME
1755 || result->result == SSL_TEST_INTERNAL_ERROR)
1758 if (result->result != SSL_TEST_SUCCESS) {
1759 result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED;
1763 HANDSHAKE_RESULT_free(result);
1764 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1765 result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx,
1766 test_ctx, &test_ctx->resume_extra,
1767 session, serv_sess, NULL, NULL);
1769 SSL_SESSION_free(session);
1770 SSL_SESSION_free(serv_sess);