1 /*
2 * Copyright 2016-2025 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10 #include <string.h>
11
12 #include <openssl/bio.h>
13 #include <openssl/x509_vfy.h>
14 #include <openssl/ssl.h>
15 #include <openssl/core_names.h>
16
17 #include "../../ssl/ssl_local.h"
18 #include "internal/ssl_unwrap.h"
19 #include "internal/sockets.h"
20 #include "internal/nelem.h"
21 #include "handshake.h"
22 #include "../testutil.h"
23
24 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
25 #include <netinet/sctp.h>
26 #endif
27
HANDSHAKE_RESULT_new(void)28 HANDSHAKE_RESULT *HANDSHAKE_RESULT_new(void)
29 {
30 HANDSHAKE_RESULT *ret;
31
32 TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret)));
33 return ret;
34 }
35
HANDSHAKE_RESULT_free(HANDSHAKE_RESULT * result)36 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result)
37 {
38 if (result == NULL)
39 return;
40 OPENSSL_free(result->client_npn_negotiated);
41 OPENSSL_free(result->server_npn_negotiated);
42 OPENSSL_free(result->client_alpn_negotiated);
43 OPENSSL_free(result->server_alpn_negotiated);
44 OPENSSL_free(result->result_session_ticket_app_data);
45 sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free);
46 sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free);
47 OPENSSL_free(result->cipher);
48 OPENSSL_free(result);
49 }
50
51 /*
52 * Since there appears to be no way to extract the sent/received alert
53 * from the SSL object directly, we use the info callback and stash
54 * the result in ex_data.
55 */
56 typedef struct handshake_ex_data_st {
57 int alert_sent;
58 int num_fatal_alerts_sent;
59 int alert_received;
60 int session_ticket_do_not_call;
61 ssl_servername_t servername;
62 } HANDSHAKE_EX_DATA;
63
64 /* |ctx_data| itself is stack-allocated. */
ctx_data_free_data(CTX_DATA * ctx_data)65 static void ctx_data_free_data(CTX_DATA *ctx_data)
66 {
67 OPENSSL_free(ctx_data->npn_protocols);
68 ctx_data->npn_protocols = NULL;
69 OPENSSL_free(ctx_data->alpn_protocols);
70 ctx_data->alpn_protocols = NULL;
71 OPENSSL_free(ctx_data->srp_user);
72 ctx_data->srp_user = NULL;
73 OPENSSL_free(ctx_data->srp_password);
74 ctx_data->srp_password = NULL;
75 OPENSSL_free(ctx_data->session_ticket_app_data);
76 ctx_data->session_ticket_app_data = NULL;
77 }
78
79 static int ex_data_idx;
80
info_cb(const SSL * s,int where,int ret)81 static void info_cb(const SSL *s, int where, int ret)
82 {
83 if (where & SSL_CB_ALERT) {
84 HANDSHAKE_EX_DATA *ex_data =
85 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
86 if (where & SSL_CB_WRITE) {
87 ex_data->alert_sent = ret;
88 if (strcmp(SSL_alert_type_string(ret), "F") == 0
89 || strcmp(SSL_alert_desc_string(ret), "CN") == 0)
90 ex_data->num_fatal_alerts_sent++;
91 } else {
92 ex_data->alert_received = ret;
93 }
94 }
95 }
96
97 /* Select the appropriate server CTX.
98 * Returns SSL_TLSEXT_ERR_OK if a match was found.
99 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
100 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
101 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
102 */
select_server_ctx(SSL * s,void * arg,int ignore)103 static int select_server_ctx(SSL *s, void *arg, int ignore)
104 {
105 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
106 HANDSHAKE_EX_DATA *ex_data =
107 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
108
109 if (servername == NULL) {
110 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
111 return SSL_TLSEXT_ERR_NOACK;
112 }
113
114 if (strcmp(servername, "server2") == 0) {
115 SSL_CTX *new_ctx = (SSL_CTX*)arg;
116 SSL_set_SSL_CTX(s, new_ctx);
117 /*
118 * Copy over all the SSL_CTX options - reasonable behavior
119 * allows testing of cases where the options between two
120 * contexts differ/conflict
121 */
122 SSL_clear_options(s, 0xFFFFFFFFL);
123 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
124
125 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
126 return SSL_TLSEXT_ERR_OK;
127 } else if (strcmp(servername, "server1") == 0) {
128 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
129 return SSL_TLSEXT_ERR_OK;
130 } else if (ignore) {
131 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
132 return SSL_TLSEXT_ERR_NOACK;
133 } else {
134 /* Don't set an explicit alert, to test library defaults. */
135 return SSL_TLSEXT_ERR_ALERT_FATAL;
136 }
137 }
138
client_hello_select_server_ctx(SSL * s,void * arg,int ignore)139 static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore)
140 {
141 const char *servername;
142 const unsigned char *p;
143 size_t len, remaining;
144 HANDSHAKE_EX_DATA *ex_data =
145 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
146
147 /*
148 * The server_name extension was given too much extensibility when it
149 * was written, so parsing the normal case is a bit complex.
150 */
151 if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p,
152 &remaining) ||
153 remaining <= 2)
154 return 0;
155 /* Extract the length of the supplied list of names. */
156 len = (*(p++) << 8);
157 len += *(p++);
158 if (len + 2 != remaining)
159 return 0;
160 remaining = len;
161 /*
162 * The list in practice only has a single element, so we only consider
163 * the first one.
164 */
165 if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
166 return 0;
167 remaining--;
168 /* Now we can finally pull out the byte array with the actual hostname. */
169 if (remaining <= 2)
170 return 0;
171 len = (*(p++) << 8);
172 len += *(p++);
173 if (len + 2 > remaining)
174 return 0;
175 remaining = len;
176 servername = (const char *)p;
177
178 if (len == strlen("server2") && HAS_PREFIX(servername, "server2")) {
179 SSL_CTX *new_ctx = arg;
180 SSL_set_SSL_CTX(s, new_ctx);
181 /*
182 * Copy over all the SSL_CTX options - reasonable behavior
183 * allows testing of cases where the options between two
184 * contexts differ/conflict
185 */
186 SSL_clear_options(s, 0xFFFFFFFFL);
187 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
188
189 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
190 return 1;
191 } else if (len == strlen("server1") &&
192 HAS_PREFIX(servername, "server1")) {
193 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
194 return 1;
195 } else if (ignore) {
196 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
197 return 1;
198 }
199 return 0;
200 }
201 /*
202 * (RFC 6066):
203 * If the server understood the ClientHello extension but
204 * does not recognize the server name, the server SHOULD take one of two
205 * actions: either abort the handshake by sending a fatal-level
206 * unrecognized_name(112) alert or continue the handshake.
207 *
208 * This behaviour is up to the application to configure; we test both
209 * configurations to ensure the state machine propagates the result
210 * correctly.
211 */
servername_ignore_cb(SSL * s,int * ad,void * arg)212 static int servername_ignore_cb(SSL *s, int *ad, void *arg)
213 {
214 return select_server_ctx(s, arg, 1);
215 }
216
servername_reject_cb(SSL * s,int * ad,void * arg)217 static int servername_reject_cb(SSL *s, int *ad, void *arg)
218 {
219 return select_server_ctx(s, arg, 0);
220 }
221
client_hello_ignore_cb(SSL * s,int * al,void * arg)222 static int client_hello_ignore_cb(SSL *s, int *al, void *arg)
223 {
224 if (!client_hello_select_server_ctx(s, arg, 1)) {
225 *al = SSL_AD_UNRECOGNIZED_NAME;
226 return SSL_CLIENT_HELLO_ERROR;
227 }
228 return SSL_CLIENT_HELLO_SUCCESS;
229 }
230
client_hello_reject_cb(SSL * s,int * al,void * arg)231 static int client_hello_reject_cb(SSL *s, int *al, void *arg)
232 {
233 if (!client_hello_select_server_ctx(s, arg, 0)) {
234 *al = SSL_AD_UNRECOGNIZED_NAME;
235 return SSL_CLIENT_HELLO_ERROR;
236 }
237 return SSL_CLIENT_HELLO_SUCCESS;
238 }
239
client_hello_nov12_cb(SSL * s,int * al,void * arg)240 static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
241 {
242 int ret;
243 unsigned int v;
244 const unsigned char *p;
245
246 v = SSL_client_hello_get0_legacy_version(s);
247 if (v > TLS1_2_VERSION || v < SSL3_VERSION) {
248 *al = SSL_AD_PROTOCOL_VERSION;
249 return SSL_CLIENT_HELLO_ERROR;
250 }
251 (void)SSL_client_hello_get0_session_id(s, &p);
252 if (p == NULL ||
253 SSL_client_hello_get0_random(s, &p) == 0 ||
254 SSL_client_hello_get0_ciphers(s, &p) == 0 ||
255 SSL_client_hello_get0_compression_methods(s, &p) == 0) {
256 *al = SSL_AD_INTERNAL_ERROR;
257 return SSL_CLIENT_HELLO_ERROR;
258 }
259 ret = client_hello_select_server_ctx(s, arg, 0);
260 SSL_set_max_proto_version(s, TLS1_1_VERSION);
261 if (!ret) {
262 *al = SSL_AD_UNRECOGNIZED_NAME;
263 return SSL_CLIENT_HELLO_ERROR;
264 }
265 return SSL_CLIENT_HELLO_SUCCESS;
266 }
267
268 static unsigned char dummy_ocsp_resp_good_val = 0xff;
269 static unsigned char dummy_ocsp_resp_bad_val = 0xfe;
270
server_ocsp_cb(SSL * s,void * arg)271 static int server_ocsp_cb(SSL *s, void *arg)
272 {
273 unsigned char *resp;
274
275 resp = OPENSSL_malloc(1);
276 if (resp == NULL)
277 return SSL_TLSEXT_ERR_ALERT_FATAL;
278 /*
279 * For the purposes of testing we just send back a dummy OCSP response
280 */
281 *resp = *(unsigned char *)arg;
282 if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1)) {
283 OPENSSL_free(resp);
284 return SSL_TLSEXT_ERR_ALERT_FATAL;
285 }
286
287 return SSL_TLSEXT_ERR_OK;
288 }
289
client_ocsp_cb(SSL * s,void * arg)290 static int client_ocsp_cb(SSL *s, void *arg)
291 {
292 const unsigned char *resp;
293 int len;
294
295 len = SSL_get_tlsext_status_ocsp_resp(s, &resp);
296 if (len != 1 || *resp != dummy_ocsp_resp_good_val)
297 return 0;
298
299 return 1;
300 }
301
verify_reject_cb(X509_STORE_CTX * ctx,void * arg)302 static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) {
303 X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION);
304 return 0;
305 }
306
307 static int n_retries = 0;
verify_retry_cb(X509_STORE_CTX * ctx,void * arg)308 static int verify_retry_cb(X509_STORE_CTX *ctx, void *arg) {
309 int idx = SSL_get_ex_data_X509_STORE_CTX_idx();
310 SSL *ssl;
311
312 /* this should not happen but check anyway */
313 if (idx < 0
314 || (ssl = X509_STORE_CTX_get_ex_data(ctx, idx)) == NULL)
315 return 0;
316
317 if (--n_retries < 0)
318 return 1;
319
320 return SSL_set_retry_verify(ssl);
321 }
322
verify_accept_cb(X509_STORE_CTX * ctx,void * arg)323 static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) {
324 return 1;
325 }
326
broken_session_ticket_cb(SSL * s,unsigned char * key_name,unsigned char * iv,EVP_CIPHER_CTX * ctx,EVP_MAC_CTX * hctx,int enc)327 static int broken_session_ticket_cb(SSL *s, unsigned char *key_name,
328 unsigned char *iv, EVP_CIPHER_CTX *ctx,
329 EVP_MAC_CTX *hctx, int enc)
330 {
331 return 0;
332 }
333
do_not_call_session_ticket_cb(SSL * s,unsigned char * key_name,unsigned char * iv,EVP_CIPHER_CTX * ctx,EVP_MAC_CTX * hctx,int enc)334 static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name,
335 unsigned char *iv,
336 EVP_CIPHER_CTX *ctx,
337 EVP_MAC_CTX *hctx, int enc)
338 {
339 HANDSHAKE_EX_DATA *ex_data =
340 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
341 ex_data->session_ticket_do_not_call = 1;
342 return 0;
343 }
344
345 /* Parse the comma-separated list into TLS format. */
parse_protos(const char * protos,unsigned char ** out,size_t * outlen)346 static int parse_protos(const char *protos, unsigned char **out, size_t *outlen)
347 {
348 size_t len, i, prefix;
349
350 len = strlen(protos);
351
352 if (len == 0) {
353 *out = NULL;
354 *outlen = 0;
355 return 1;
356 }
357
358 /* Should never have reuse. */
359 if (!TEST_ptr_null(*out)
360 /* Test values are small, so we omit length limit checks. */
361 || !TEST_ptr(*out = OPENSSL_malloc(len + 1)))
362 return 0;
363 *outlen = len + 1;
364
365 /*
366 * foo => '3', 'f', 'o', 'o'
367 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
368 */
369 memcpy(*out + 1, protos, len);
370
371 prefix = 0;
372 i = prefix + 1;
373 while (i <= len) {
374 if ((*out)[i] == ',') {
375 if (!TEST_int_gt(i - 1, prefix))
376 goto err;
377 (*out)[prefix] = (unsigned char)(i - 1 - prefix);
378 prefix = i;
379 }
380 i++;
381 }
382 if (!TEST_int_gt(len, prefix))
383 goto err;
384 (*out)[prefix] = (unsigned char)(len - prefix);
385 return 1;
386
387 err:
388 OPENSSL_free(*out);
389 *out = NULL;
390 return 0;
391 }
392
393 #ifndef OPENSSL_NO_NEXTPROTONEG
394 /*
395 * The client SHOULD select the first protocol advertised by the server that it
396 * also supports. In the event that the client doesn't support any of server's
397 * protocols, or the server doesn't advertise any, it SHOULD select the first
398 * protocol that it supports.
399 */
client_npn_cb(SSL * s,unsigned char ** out,unsigned char * outlen,const unsigned char * in,unsigned int inlen,void * arg)400 static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen,
401 const unsigned char *in, unsigned int inlen,
402 void *arg)
403 {
404 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
405 int ret;
406
407 ret = SSL_select_next_proto(out, outlen, in, inlen,
408 ctx_data->npn_protocols,
409 ctx_data->npn_protocols_len);
410 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
411 return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP)
412 ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL;
413 }
414
server_npn_cb(SSL * s,const unsigned char ** data,unsigned int * len,void * arg)415 static int server_npn_cb(SSL *s, const unsigned char **data,
416 unsigned int *len, void *arg)
417 {
418 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
419 *data = ctx_data->npn_protocols;
420 *len = ctx_data->npn_protocols_len;
421 return SSL_TLSEXT_ERR_OK;
422 }
423 #endif
424
425 /*
426 * The server SHOULD select the most highly preferred protocol that it supports
427 * and that is also advertised by the client. In the event that the server
428 * supports no protocols that the client advertises, then the server SHALL
429 * respond with a fatal "no_application_protocol" alert.
430 */
server_alpn_cb(SSL * s,const unsigned char ** out,unsigned char * outlen,const unsigned char * in,unsigned int inlen,void * arg)431 static int server_alpn_cb(SSL *s, const unsigned char **out,
432 unsigned char *outlen, const unsigned char *in,
433 unsigned int inlen, void *arg)
434 {
435 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
436 int ret;
437
438 /* SSL_select_next_proto isn't const-correct... */
439 unsigned char *tmp_out;
440
441 /*
442 * The result points either to |in| or to |ctx_data->alpn_protocols|.
443 * The callback is allowed to point to |in| or to a long-lived buffer,
444 * so we can return directly without storing a copy.
445 */
446 ret = SSL_select_next_proto(&tmp_out, outlen,
447 ctx_data->alpn_protocols,
448 ctx_data->alpn_protocols_len, in, inlen);
449
450 *out = tmp_out;
451 /* Unlike NPN, we don't tolerate a mismatch. */
452 return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK
453 : SSL_TLSEXT_ERR_ALERT_FATAL;
454 }
455
generate_session_ticket_cb(SSL * s,void * arg)456 static int generate_session_ticket_cb(SSL *s, void *arg)
457 {
458 CTX_DATA *server_ctx_data = arg;
459 SSL_SESSION *ss = SSL_get_session(s);
460 char *app_data = server_ctx_data->session_ticket_app_data;
461
462 if (ss == NULL || app_data == NULL)
463 return 0;
464
465 return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data));
466 }
467
decrypt_session_ticket_cb(SSL * s,SSL_SESSION * ss,const unsigned char * keyname,size_t keyname_len,SSL_TICKET_STATUS status,void * arg)468 static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss,
469 const unsigned char *keyname,
470 size_t keyname_len,
471 SSL_TICKET_STATUS status,
472 void *arg)
473 {
474 switch (status) {
475 case SSL_TICKET_EMPTY:
476 case SSL_TICKET_NO_DECRYPT:
477 return SSL_TICKET_RETURN_IGNORE_RENEW;
478 case SSL_TICKET_SUCCESS:
479 return SSL_TICKET_RETURN_USE;
480 case SSL_TICKET_SUCCESS_RENEW:
481 return SSL_TICKET_RETURN_USE_RENEW;
482 default:
483 break;
484 }
485 return SSL_TICKET_RETURN_ABORT;
486 }
487
488 /*
489 * Configure callbacks and other properties that can't be set directly
490 * in the server/client CONF.
491 */
configure_handshake_ctx(SSL_CTX * server_ctx,SSL_CTX * server2_ctx,SSL_CTX * client_ctx,const SSL_TEST_CTX * test,const SSL_TEST_EXTRA_CONF * extra,CTX_DATA * server_ctx_data,CTX_DATA * server2_ctx_data,CTX_DATA * client_ctx_data)492 static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
493 SSL_CTX *client_ctx,
494 const SSL_TEST_CTX *test,
495 const SSL_TEST_EXTRA_CONF *extra,
496 CTX_DATA *server_ctx_data,
497 CTX_DATA *server2_ctx_data,
498 CTX_DATA *client_ctx_data)
499 {
500 unsigned char *ticket_keys;
501 size_t ticket_key_len;
502
503 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx,
504 test->max_fragment_size), 1))
505 goto err;
506 if (server2_ctx != NULL) {
507 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx,
508 test->max_fragment_size),
509 1))
510 goto err;
511 }
512 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx,
513 test->max_fragment_size), 1))
514 goto err;
515
516 switch (extra->client.verify_callback) {
517 case SSL_TEST_VERIFY_ACCEPT_ALL:
518 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL);
519 break;
520 case SSL_TEST_VERIFY_RETRY_ONCE:
521 n_retries = 1;
522 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_retry_cb, NULL);
523 break;
524 case SSL_TEST_VERIFY_REJECT_ALL:
525 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL);
526 break;
527 case SSL_TEST_VERIFY_NONE:
528 break;
529 }
530
531 switch (extra->client.max_fragment_len_mode) {
532 case TLSEXT_max_fragment_length_512:
533 case TLSEXT_max_fragment_length_1024:
534 case TLSEXT_max_fragment_length_2048:
535 case TLSEXT_max_fragment_length_4096:
536 case TLSEXT_max_fragment_length_DISABLED:
537 SSL_CTX_set_tlsext_max_fragment_length(
538 client_ctx, extra->client.max_fragment_len_mode);
539 break;
540 }
541
542 /*
543 * Link the two contexts for SNI purposes.
544 * Also do ClientHello callbacks here, as setting both ClientHello and SNI
545 * is bad.
546 */
547 switch (extra->server.servername_callback) {
548 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH:
549 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb);
550 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
551 break;
552 case SSL_TEST_SERVERNAME_REJECT_MISMATCH:
553 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb);
554 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
555 break;
556 case SSL_TEST_SERVERNAME_CB_NONE:
557 break;
558 case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH:
559 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx);
560 break;
561 case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH:
562 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx);
563 break;
564 case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12:
565 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx);
566 }
567
568 if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) {
569 SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp);
570 SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb);
571 SSL_CTX_set_tlsext_status_arg(client_ctx, NULL);
572 SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb);
573 SSL_CTX_set_tlsext_status_arg(server_ctx,
574 ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE)
575 ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val));
576 }
577
578 /*
579 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
580 * session ticket. This ticket_key callback is assigned to the second
581 * session (assigned via SNI), and should never be invoked
582 */
583 if (server2_ctx != NULL)
584 SSL_CTX_set_tlsext_ticket_key_evp_cb(server2_ctx,
585 do_not_call_session_ticket_cb);
586
587 if (extra->server.broken_session_ticket) {
588 SSL_CTX_set_tlsext_ticket_key_evp_cb(server_ctx,
589 broken_session_ticket_cb);
590 }
591 #ifndef OPENSSL_NO_NEXTPROTONEG
592 if (extra->server.npn_protocols != NULL) {
593 if (!TEST_true(parse_protos(extra->server.npn_protocols,
594 &server_ctx_data->npn_protocols,
595 &server_ctx_data->npn_protocols_len)))
596 goto err;
597 SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb,
598 server_ctx_data);
599 }
600 if (extra->server2.npn_protocols != NULL) {
601 if (!TEST_true(parse_protos(extra->server2.npn_protocols,
602 &server2_ctx_data->npn_protocols,
603 &server2_ctx_data->npn_protocols_len))
604 || !TEST_ptr(server2_ctx))
605 goto err;
606 SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb,
607 server2_ctx_data);
608 }
609 if (extra->client.npn_protocols != NULL) {
610 if (!TEST_true(parse_protos(extra->client.npn_protocols,
611 &client_ctx_data->npn_protocols,
612 &client_ctx_data->npn_protocols_len)))
613 goto err;
614 SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb,
615 client_ctx_data);
616 }
617 #endif
618 if (extra->server.alpn_protocols != NULL) {
619 if (!TEST_true(parse_protos(extra->server.alpn_protocols,
620 &server_ctx_data->alpn_protocols,
621 &server_ctx_data->alpn_protocols_len)))
622 goto err;
623 SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data);
624 }
625 if (extra->server2.alpn_protocols != NULL) {
626 if (!TEST_ptr(server2_ctx)
627 || !TEST_true(parse_protos(extra->server2.alpn_protocols,
628 &server2_ctx_data->alpn_protocols,
629 &server2_ctx_data->alpn_protocols_len
630 )))
631 goto err;
632 SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb,
633 server2_ctx_data);
634 }
635 if (extra->client.alpn_protocols != NULL) {
636 unsigned char *alpn_protos = NULL;
637 size_t alpn_protos_len = 0;
638
639 if (!TEST_true(parse_protos(extra->client.alpn_protocols,
640 &alpn_protos, &alpn_protos_len))
641 /* Reversed return value convention... */
642 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos,
643 alpn_protos_len), 0))
644 goto err;
645 OPENSSL_free(alpn_protos);
646 }
647
648 if (extra->server.session_ticket_app_data != NULL) {
649 server_ctx_data->session_ticket_app_data =
650 OPENSSL_strdup(extra->server.session_ticket_app_data);
651 if (!TEST_ptr(server_ctx_data->session_ticket_app_data))
652 goto err;
653 SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb,
654 decrypt_session_ticket_cb, server_ctx_data);
655 }
656 if (extra->server2.session_ticket_app_data != NULL) {
657 if (!TEST_ptr(server2_ctx))
658 goto err;
659 server2_ctx_data->session_ticket_app_data =
660 OPENSSL_strdup(extra->server2.session_ticket_app_data);
661 if (!TEST_ptr(server2_ctx_data->session_ticket_app_data))
662 goto err;
663 SSL_CTX_set_session_ticket_cb(server2_ctx, NULL,
664 decrypt_session_ticket_cb, server2_ctx_data);
665 }
666
667 /*
668 * Use fixed session ticket keys so that we can decrypt a ticket created with
669 * one CTX in another CTX. Don't address server2 for the moment.
670 */
671 ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0);
672 if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len))
673 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx,
674 ticket_keys,
675 ticket_key_len), 1)) {
676 OPENSSL_free(ticket_keys);
677 goto err;
678 }
679 OPENSSL_free(ticket_keys);
680
681 /* The default log list includes EC keys, so CT can't work without EC. */
682 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
683 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx)))
684 goto err;
685 switch (extra->client.ct_validation) {
686 case SSL_TEST_CT_VALIDATION_PERMISSIVE:
687 if (!TEST_true(SSL_CTX_enable_ct(client_ctx,
688 SSL_CT_VALIDATION_PERMISSIVE)))
689 goto err;
690 break;
691 case SSL_TEST_CT_VALIDATION_STRICT:
692 if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT)))
693 goto err;
694 break;
695 case SSL_TEST_CT_VALIDATION_NONE:
696 break;
697 }
698 #endif
699 #ifndef OPENSSL_NO_SRP
700 if (!configure_handshake_ctx_for_srp(server_ctx, server2_ctx, client_ctx,
701 extra, server_ctx_data,
702 server2_ctx_data, client_ctx_data))
703 goto err;
704 #endif /* !OPENSSL_NO_SRP */
705 #ifndef OPENSSL_NO_COMP_ALG
706 if (test->compress_certificates) {
707 if (!TEST_true(SSL_CTX_compress_certs(server_ctx, 0)))
708 goto err;
709 if (server2_ctx != NULL && !TEST_true(SSL_CTX_compress_certs(server2_ctx, 0)))
710 goto err;
711 }
712 #endif
713 return 1;
714 err:
715 return 0;
716 }
717
718 /* Configure per-SSL callbacks and other properties. */
configure_handshake_ssl(SSL * server,SSL * client,const SSL_TEST_EXTRA_CONF * extra)719 static void configure_handshake_ssl(SSL *server, SSL *client,
720 const SSL_TEST_EXTRA_CONF *extra)
721 {
722 if (extra->client.servername != SSL_TEST_SERVERNAME_NONE)
723 SSL_set_tlsext_host_name(client,
724 ssl_servername_name(extra->client.servername));
725 if (extra->client.enable_pha)
726 SSL_set_post_handshake_auth(client, 1);
727 }
728
729 /* The status for each connection phase. */
730 typedef enum {
731 PEER_SUCCESS,
732 PEER_RETRY,
733 PEER_ERROR,
734 PEER_WAITING,
735 PEER_TEST_FAILURE
736 } peer_status_t;
737
738 /* An SSL object and associated read-write buffers. */
739 typedef struct peer_st {
740 SSL *ssl;
741 /* Buffer lengths are int to match the SSL read/write API. */
742 unsigned char *write_buf;
743 int write_buf_len;
744 unsigned char *read_buf;
745 int read_buf_len;
746 int bytes_to_write;
747 int bytes_to_read;
748 peer_status_t status;
749 } PEER;
750
create_peer(PEER * peer,SSL_CTX * ctx)751 static int create_peer(PEER *peer, SSL_CTX *ctx)
752 {
753 static const int peer_buffer_size = 64 * 1024;
754 SSL *ssl = NULL;
755 unsigned char *read_buf = NULL, *write_buf = NULL;
756
757 if (!TEST_ptr(ssl = SSL_new(ctx))
758 || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size))
759 || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size)))
760 goto err;
761
762 peer->ssl = ssl;
763 peer->write_buf = write_buf;
764 peer->read_buf = read_buf;
765 peer->write_buf_len = peer->read_buf_len = peer_buffer_size;
766 return 1;
767 err:
768 SSL_free(ssl);
769 OPENSSL_free(write_buf);
770 OPENSSL_free(read_buf);
771 return 0;
772 }
773
peer_free_data(PEER * peer)774 static void peer_free_data(PEER *peer)
775 {
776 SSL_free(peer->ssl);
777 OPENSSL_free(peer->write_buf);
778 OPENSSL_free(peer->read_buf);
779 }
780
781 /*
782 * Note that we could do the handshake transparently under an SSL_write,
783 * but separating the steps is more helpful for debugging test failures.
784 */
do_handshake_step(PEER * peer)785 static void do_handshake_step(PEER *peer)
786 {
787 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
788 peer->status = PEER_TEST_FAILURE;
789 } else {
790 int ret = SSL_do_handshake(peer->ssl);
791
792 if (ret == 1) {
793 peer->status = PEER_SUCCESS;
794 } else if (ret == 0) {
795 peer->status = PEER_ERROR;
796 } else {
797 int error = SSL_get_error(peer->ssl, ret);
798
799 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
800 if (error != SSL_ERROR_WANT_READ
801 && error != SSL_ERROR_WANT_RETRY_VERIFY)
802 peer->status = PEER_ERROR;
803 }
804 }
805 }
806
807 /*-
808 * Send/receive some application data. The read-write sequence is
809 * Peer A: (R) W - first read will yield no data
810 * Peer B: R W
811 * ...
812 * Peer A: R W
813 * Peer B: R W
814 * Peer A: R
815 */
do_app_data_step(PEER * peer)816 static void do_app_data_step(PEER *peer)
817 {
818 int ret = 1, write_bytes;
819
820 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
821 peer->status = PEER_TEST_FAILURE;
822 return;
823 }
824
825 /* We read everything available... */
826 while (ret > 0 && peer->bytes_to_read) {
827 ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len);
828 if (ret > 0) {
829 if (!TEST_int_le(ret, peer->bytes_to_read)) {
830 peer->status = PEER_TEST_FAILURE;
831 return;
832 }
833 peer->bytes_to_read -= ret;
834 } else if (ret == 0) {
835 peer->status = PEER_ERROR;
836 return;
837 } else {
838 int error = SSL_get_error(peer->ssl, ret);
839 if (error != SSL_ERROR_WANT_READ) {
840 peer->status = PEER_ERROR;
841 return;
842 } /* Else continue with write. */
843 }
844 }
845
846 /* ... but we only write one write-buffer-full of data. */
847 write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write :
848 peer->write_buf_len;
849 if (write_bytes) {
850 ret = SSL_write(peer->ssl, peer->write_buf, write_bytes);
851 if (ret > 0) {
852 /* SSL_write will only succeed with a complete write. */
853 if (!TEST_int_eq(ret, write_bytes)) {
854 peer->status = PEER_TEST_FAILURE;
855 return;
856 }
857 peer->bytes_to_write -= ret;
858 } else {
859 /*
860 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
861 * but this doesn't yet occur with current app data sizes.
862 */
863 peer->status = PEER_ERROR;
864 return;
865 }
866 }
867
868 /*
869 * We could simply finish when there was nothing to read, and we have
870 * nothing left to write. But keeping track of the expected number of bytes
871 * to read gives us somewhat better guarantees that all data sent is in fact
872 * received.
873 */
874 if (peer->bytes_to_write == 0 && peer->bytes_to_read == 0) {
875 peer->status = PEER_SUCCESS;
876 }
877 }
878
do_reneg_setup_step(const SSL_TEST_CTX * test_ctx,PEER * peer)879 static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
880 {
881 int ret;
882 char buf;
883
884 if (peer->status == PEER_SUCCESS) {
885 /*
886 * We are a client that succeeded this step previously, but the server
887 * wanted to retry. Probably there is a no_renegotiation warning alert
888 * waiting for us. Attempt to continue the handshake.
889 */
890 peer->status = PEER_RETRY;
891 do_handshake_step(peer);
892 return;
893 }
894
895 if (!TEST_int_eq(peer->status, PEER_RETRY)
896 || !TEST_true(test_ctx->handshake_mode
897 == SSL_TEST_HANDSHAKE_RENEG_SERVER
898 || test_ctx->handshake_mode
899 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
900 || test_ctx->handshake_mode
901 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
902 || test_ctx->handshake_mode
903 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
904 || test_ctx->handshake_mode
905 == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) {
906 peer->status = PEER_TEST_FAILURE;
907 return;
908 }
909
910 /* Reset the count of the amount of app data we need to read/write */
911 peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size;
912
913 /* Check if we are the peer that is going to initiate */
914 if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
915 && SSL_is_server(peer->ssl))
916 || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
917 && !SSL_is_server(peer->ssl))) {
918 /*
919 * If we already asked for a renegotiation then fall through to the
920 * SSL_read() below.
921 */
922 if (!SSL_renegotiate_pending(peer->ssl)) {
923 /*
924 * If we are the client we will always attempt to resume the
925 * session. The server may or may not resume dependent on the
926 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
927 */
928 if (SSL_is_server(peer->ssl)) {
929 ret = SSL_renegotiate(peer->ssl);
930 } else {
931 int full_reneg = 0;
932
933 if (test_ctx->extra.client.no_extms_on_reneg) {
934 SSL_set_options(peer->ssl, SSL_OP_NO_EXTENDED_MASTER_SECRET);
935 full_reneg = 1;
936 }
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;
941 return;
942 }
943 full_reneg = 1;
944 }
945 if (full_reneg)
946 ret = SSL_renegotiate(peer->ssl);
947 else
948 ret = SSL_renegotiate_abbreviated(peer->ssl);
949 }
950 if (!ret) {
951 peer->status = PEER_ERROR;
952 return;
953 }
954 do_handshake_step(peer);
955 /*
956 * If status is PEER_RETRY it means we're waiting on the peer to
957 * continue the handshake. As far as setting up the renegotiation is
958 * concerned that is a success. The next step will continue the
959 * handshake to its conclusion.
960 *
961 * If status is PEER_SUCCESS then we are the server and we have
962 * successfully sent the HelloRequest. We need to continue to wait
963 * until the handshake arrives from the client.
964 */
965 if (peer->status == PEER_RETRY)
966 peer->status = PEER_SUCCESS;
967 else if (peer->status == PEER_SUCCESS)
968 peer->status = PEER_RETRY;
969 return;
970 }
971 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
972 || test_ctx->handshake_mode
973 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) {
974 if (SSL_is_server(peer->ssl)
975 != (test_ctx->handshake_mode
976 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) {
977 peer->status = PEER_SUCCESS;
978 return;
979 }
980
981 ret = SSL_key_update(peer->ssl, test_ctx->key_update_type);
982 if (!ret) {
983 peer->status = PEER_ERROR;
984 return;
985 }
986 do_handshake_step(peer);
987 /*
988 * This is a one step handshake. We shouldn't get anything other than
989 * PEER_SUCCESS
990 */
991 if (peer->status != PEER_SUCCESS)
992 peer->status = PEER_ERROR;
993 return;
994 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) {
995 if (SSL_is_server(peer->ssl)) {
996 SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(peer->ssl);
997
998 if (sc == NULL) {
999 peer->status = PEER_ERROR;
1000 return;
1001 }
1002 /* Make the server believe it's received the extension */
1003 if (test_ctx->extra.server.force_pha)
1004 sc->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
1005 ret = SSL_verify_client_post_handshake(peer->ssl);
1006 if (!ret) {
1007 peer->status = PEER_ERROR;
1008 return;
1009 }
1010 }
1011 do_handshake_step(peer);
1012 /*
1013 * This is a one step handshake. We shouldn't get anything other than
1014 * PEER_SUCCESS
1015 */
1016 if (peer->status != PEER_SUCCESS)
1017 peer->status = PEER_ERROR;
1018 return;
1019 }
1020
1021 /*
1022 * The SSL object is still expecting app data, even though it's going to
1023 * get a handshake message. We try to read, and it should fail - after which
1024 * we should be in a handshake
1025 */
1026 ret = SSL_read(peer->ssl, &buf, sizeof(buf));
1027 if (ret >= 0) {
1028 /*
1029 * We're not actually expecting data - we're expecting a reneg to
1030 * start
1031 */
1032 peer->status = PEER_ERROR;
1033 return;
1034 } else {
1035 int error = SSL_get_error(peer->ssl, ret);
1036 if (error != SSL_ERROR_WANT_READ) {
1037 peer->status = PEER_ERROR;
1038 return;
1039 }
1040 /* If we're not in init yet then we're not done with setup yet */
1041 if (!SSL_in_init(peer->ssl))
1042 return;
1043 }
1044
1045 peer->status = PEER_SUCCESS;
1046 }
1047
1048
1049 /*
1050 * RFC 5246 says:
1051 *
1052 * Note that as of TLS 1.1,
1053 * failure to properly close a connection no longer requires that a
1054 * session not be resumed. This is a change from TLS 1.0 to conform
1055 * with widespread implementation practice.
1056 *
1057 * However,
1058 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
1059 * (b) We test lower versions, too.
1060 * So we just implement shutdown. We do a full bidirectional shutdown so that we
1061 * can compare sent and received close_notify alerts and get some test coverage
1062 * for SSL_shutdown as a bonus.
1063 */
do_shutdown_step(PEER * peer)1064 static void do_shutdown_step(PEER *peer)
1065 {
1066 int ret;
1067
1068 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
1069 peer->status = PEER_TEST_FAILURE;
1070 return;
1071 }
1072 ret = SSL_shutdown(peer->ssl);
1073
1074 if (ret == 1) {
1075 peer->status = PEER_SUCCESS;
1076 } else if (ret < 0) { /* On 0, we retry. */
1077 int error = SSL_get_error(peer->ssl, ret);
1078
1079 if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE)
1080 peer->status = PEER_ERROR;
1081 }
1082 }
1083
1084 typedef enum {
1085 HANDSHAKE,
1086 RENEG_APPLICATION_DATA,
1087 RENEG_SETUP,
1088 RENEG_HANDSHAKE,
1089 APPLICATION_DATA,
1090 SHUTDOWN,
1091 CONNECTION_DONE
1092 } connect_phase_t;
1093
1094
renegotiate_op(const SSL_TEST_CTX * test_ctx)1095 static int renegotiate_op(const SSL_TEST_CTX *test_ctx)
1096 {
1097 switch (test_ctx->handshake_mode) {
1098 case SSL_TEST_HANDSHAKE_RENEG_SERVER:
1099 case SSL_TEST_HANDSHAKE_RENEG_CLIENT:
1100 return 1;
1101 default:
1102 return 0;
1103 }
1104 }
post_handshake_op(const SSL_TEST_CTX * test_ctx)1105 static int post_handshake_op(const SSL_TEST_CTX *test_ctx)
1106 {
1107 switch (test_ctx->handshake_mode) {
1108 case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT:
1109 case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER:
1110 case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH:
1111 return 1;
1112 default:
1113 return 0;
1114 }
1115 }
1116
next_phase(const SSL_TEST_CTX * test_ctx,connect_phase_t phase)1117 static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx,
1118 connect_phase_t phase)
1119 {
1120 switch (phase) {
1121 case HANDSHAKE:
1122 if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx))
1123 return RENEG_APPLICATION_DATA;
1124 return APPLICATION_DATA;
1125 case RENEG_APPLICATION_DATA:
1126 return RENEG_SETUP;
1127 case RENEG_SETUP:
1128 if (post_handshake_op(test_ctx))
1129 return APPLICATION_DATA;
1130 return RENEG_HANDSHAKE;
1131 case RENEG_HANDSHAKE:
1132 return APPLICATION_DATA;
1133 case APPLICATION_DATA:
1134 return SHUTDOWN;
1135 case SHUTDOWN:
1136 return CONNECTION_DONE;
1137 case CONNECTION_DONE:
1138 TEST_error("Trying to progress after connection done");
1139 break;
1140 }
1141 return -1;
1142 }
1143
do_connect_step(const SSL_TEST_CTX * test_ctx,PEER * peer,connect_phase_t phase)1144 static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer,
1145 connect_phase_t phase)
1146 {
1147 switch (phase) {
1148 case HANDSHAKE:
1149 do_handshake_step(peer);
1150 break;
1151 case RENEG_APPLICATION_DATA:
1152 do_app_data_step(peer);
1153 break;
1154 case RENEG_SETUP:
1155 do_reneg_setup_step(test_ctx, peer);
1156 break;
1157 case RENEG_HANDSHAKE:
1158 do_handshake_step(peer);
1159 break;
1160 case APPLICATION_DATA:
1161 do_app_data_step(peer);
1162 break;
1163 case SHUTDOWN:
1164 do_shutdown_step(peer);
1165 break;
1166 case CONNECTION_DONE:
1167 TEST_error("Action after connection done");
1168 break;
1169 }
1170 }
1171
1172 typedef enum {
1173 /* Both parties succeeded. */
1174 HANDSHAKE_SUCCESS,
1175 /* Client errored. */
1176 CLIENT_ERROR,
1177 /* Server errored. */
1178 SERVER_ERROR,
1179 /* Peers are in inconsistent state. */
1180 INTERNAL_ERROR,
1181 /* One or both peers not done. */
1182 HANDSHAKE_RETRY
1183 } handshake_status_t;
1184
1185 /*
1186 * Determine the handshake outcome.
1187 * last_status: the status of the peer to have acted last.
1188 * previous_status: the status of the peer that didn't act last.
1189 * client_spoke_last: 1 if the client went last.
1190 */
handshake_status(peer_status_t last_status,peer_status_t previous_status,int client_spoke_last)1191 static handshake_status_t handshake_status(peer_status_t last_status,
1192 peer_status_t previous_status,
1193 int client_spoke_last)
1194 {
1195 switch (last_status) {
1196 case PEER_TEST_FAILURE:
1197 return INTERNAL_ERROR;
1198
1199 case PEER_WAITING:
1200 /* Shouldn't ever happen */
1201 return INTERNAL_ERROR;
1202
1203 case PEER_SUCCESS:
1204 switch (previous_status) {
1205 case PEER_TEST_FAILURE:
1206 return INTERNAL_ERROR;
1207 case PEER_SUCCESS:
1208 /* Both succeeded. */
1209 return HANDSHAKE_SUCCESS;
1210 case PEER_WAITING:
1211 case PEER_RETRY:
1212 /* Let the first peer finish. */
1213 return HANDSHAKE_RETRY;
1214 case PEER_ERROR:
1215 /*
1216 * Second peer succeeded despite the fact that the first peer
1217 * already errored. This shouldn't happen.
1218 */
1219 return INTERNAL_ERROR;
1220 }
1221 break;
1222
1223 case PEER_RETRY:
1224 return HANDSHAKE_RETRY;
1225
1226 case PEER_ERROR:
1227 switch (previous_status) {
1228 case PEER_TEST_FAILURE:
1229 return INTERNAL_ERROR;
1230 case PEER_WAITING:
1231 /* The client failed immediately before sending the ClientHello */
1232 return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR;
1233 case PEER_SUCCESS:
1234 /* First peer succeeded but second peer errored. */
1235 return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR;
1236 case PEER_RETRY:
1237 /* We errored; let the peer finish. */
1238 return HANDSHAKE_RETRY;
1239 case PEER_ERROR:
1240 /* Both peers errored. Return the one that errored first. */
1241 return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR;
1242 }
1243 }
1244 /* Control should never reach here. */
1245 return INTERNAL_ERROR;
1246 }
1247
1248 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
dup_str(const unsigned char * in,size_t len)1249 static char *dup_str(const unsigned char *in, size_t len)
1250 {
1251 char *ret = NULL;
1252
1253 if (len == 0)
1254 return NULL;
1255
1256 /* Assert that the string does not contain NUL-bytes. */
1257 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len))
1258 TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len));
1259 return ret;
1260 }
1261
pkey_type(EVP_PKEY * pkey)1262 static int pkey_type(EVP_PKEY *pkey)
1263 {
1264 if (EVP_PKEY_is_a(pkey, "EC")) {
1265 char name[80];
1266 size_t name_len;
1267
1268 if (!EVP_PKEY_get_group_name(pkey, name, sizeof(name), &name_len))
1269 return NID_undef;
1270 return OBJ_txt2nid(name);
1271 }
1272 return EVP_PKEY_get_id(pkey);
1273 }
1274
peer_pkey_type(SSL * s)1275 static int peer_pkey_type(SSL *s)
1276 {
1277 X509 *x = SSL_get0_peer_certificate(s);
1278
1279 if (x != NULL)
1280 return pkey_type(X509_get0_pubkey(x));
1281 return NID_undef;
1282 }
1283
1284 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
set_sock_as_sctp(int sock)1285 static int set_sock_as_sctp(int sock)
1286 {
1287 struct sctp_assocparams assocparams;
1288 struct sctp_rtoinfo rto_info;
1289 BIO *tmpbio;
1290
1291 /*
1292 * To allow tests to fail fast (within a second or so), reduce the
1293 * retransmission timeouts and the number of retransmissions.
1294 */
1295 memset(&rto_info, 0, sizeof(struct sctp_rtoinfo));
1296 rto_info.srto_initial = 100;
1297 rto_info.srto_max = 200;
1298 rto_info.srto_min = 50;
1299 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO,
1300 (const void *)&rto_info, sizeof(struct sctp_rtoinfo));
1301 memset(&assocparams, 0, sizeof(struct sctp_assocparams));
1302 assocparams.sasoc_asocmaxrxt = 2;
1303 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_ASSOCINFO,
1304 (const void *)&assocparams,
1305 sizeof(struct sctp_assocparams));
1306
1307 /*
1308 * For SCTP we have to set various options on the socket prior to
1309 * connecting. This is done automatically by BIO_new_dgram_sctp().
1310 * We don't actually need the created BIO though so we free it again
1311 * immediately.
1312 */
1313 tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
1314
1315 if (tmpbio == NULL)
1316 return 0;
1317 BIO_free(tmpbio);
1318
1319 return 1;
1320 }
1321
create_sctp_socks(int * ssock,int * csock)1322 static int create_sctp_socks(int *ssock, int *csock)
1323 {
1324 BIO_ADDRINFO *res = NULL;
1325 const BIO_ADDRINFO *ai = NULL;
1326 int lsock = INVALID_SOCKET, asock = INVALID_SOCKET;
1327 int consock = INVALID_SOCKET;
1328 int ret = 0;
1329 int family = 0;
1330
1331 if (BIO_sock_init() != 1)
1332 return 0;
1333
1334 /*
1335 * Port is 4463. It could be anything. It will fail if it's already being
1336 * used for some other SCTP service. It seems unlikely though so we don't
1337 * worry about it here.
1338 */
1339 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM,
1340 IPPROTO_SCTP, &res))
1341 return 0;
1342
1343 for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) {
1344 family = BIO_ADDRINFO_family(ai);
1345 lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1346 if (lsock == INVALID_SOCKET) {
1347 /* Maybe the kernel doesn't support the socket family, even if
1348 * BIO_lookup() added it in the returned result...
1349 */
1350 continue;
1351 }
1352
1353 if (!set_sock_as_sctp(lsock)
1354 || !BIO_listen(lsock, BIO_ADDRINFO_address(ai),
1355 BIO_SOCK_REUSEADDR)) {
1356 BIO_closesocket(lsock);
1357 lsock = INVALID_SOCKET;
1358 continue;
1359 }
1360
1361 /* Success, don't try any more addresses */
1362 break;
1363 }
1364
1365 if (lsock == INVALID_SOCKET)
1366 goto err;
1367
1368 BIO_ADDRINFO_free(res);
1369 res = NULL;
1370
1371 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM,
1372 IPPROTO_SCTP, &res))
1373 goto err;
1374
1375 consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1376 if (consock == INVALID_SOCKET)
1377 goto err;
1378
1379 if (!set_sock_as_sctp(consock)
1380 || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0)
1381 || !BIO_socket_nbio(consock, 1))
1382 goto err;
1383
1384 asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK);
1385 if (asock == INVALID_SOCKET)
1386 goto err;
1387
1388 *csock = consock;
1389 *ssock = asock;
1390 consock = asock = INVALID_SOCKET;
1391 ret = 1;
1392
1393 err:
1394 BIO_ADDRINFO_free(res);
1395 if (consock != INVALID_SOCKET)
1396 BIO_closesocket(consock);
1397 if (lsock != INVALID_SOCKET)
1398 BIO_closesocket(lsock);
1399 if (asock != INVALID_SOCKET)
1400 BIO_closesocket(asock);
1401 return ret;
1402 }
1403 #endif
1404
1405 /*
1406 * Note that |extra| points to the correct client/server configuration
1407 * within |test_ctx|. When configuring the handshake, general mode settings
1408 * are taken from |test_ctx|, and client/server-specific settings should be
1409 * taken from |extra|.
1410 *
1411 * The configuration code should never reach into |test_ctx->extra| or
1412 * |test_ctx->resume_extra| directly.
1413 *
1414 * (We could refactor test mode settings into a substructure. This would result
1415 * in cleaner argument passing but would complicate the test configuration
1416 * parsing.)
1417 */
do_handshake_internal(SSL_CTX * server_ctx,SSL_CTX * server2_ctx,SSL_CTX * client_ctx,const SSL_TEST_CTX * test_ctx,const SSL_TEST_EXTRA_CONF * extra,SSL_SESSION * session_in,SSL_SESSION * serv_sess_in,SSL_SESSION ** session_out,SSL_SESSION ** serv_sess_out)1418 static HANDSHAKE_RESULT *do_handshake_internal(
1419 SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
1420 const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra,
1421 SSL_SESSION *session_in, SSL_SESSION *serv_sess_in,
1422 SSL_SESSION **session_out, SSL_SESSION **serv_sess_out)
1423 {
1424 PEER server, client;
1425 BIO *client_to_server = NULL, *server_to_client = NULL;
1426 HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
1427 CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data;
1428 HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new();
1429 int client_turn = 1, client_turn_count = 0, client_wait_count = 0;
1430 connect_phase_t phase = HANDSHAKE;
1431 handshake_status_t status = HANDSHAKE_RETRY;
1432 const unsigned char* tick = NULL;
1433 size_t tick_len = 0;
1434 const unsigned char* sess_id = NULL;
1435 unsigned int sess_id_len = 0;
1436 SSL_SESSION* sess = NULL;
1437 const unsigned char *proto = NULL;
1438 /* API dictates unsigned int rather than size_t. */
1439 unsigned int proto_len = 0;
1440 EVP_PKEY *tmp_key;
1441 const STACK_OF(X509_NAME) *names;
1442 time_t start;
1443 const char* cipher;
1444
1445 if (ret == NULL)
1446 return NULL;
1447
1448 memset(&server_ctx_data, 0, sizeof(server_ctx_data));
1449 memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
1450 memset(&client_ctx_data, 0, sizeof(client_ctx_data));
1451 memset(&server, 0, sizeof(server));
1452 memset(&client, 0, sizeof(client));
1453 memset(&server_ex_data, 0, sizeof(server_ex_data));
1454 memset(&client_ex_data, 0, sizeof(client_ex_data));
1455
1456 if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx,
1457 test_ctx, extra, &server_ctx_data,
1458 &server2_ctx_data, &client_ctx_data)) {
1459 TEST_note("configure_handshake_ctx");
1460 HANDSHAKE_RESULT_free(ret);
1461 return NULL;
1462 }
1463
1464 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1465 if (test_ctx->enable_client_sctp_label_bug)
1466 SSL_CTX_set_mode(client_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1467 if (test_ctx->enable_server_sctp_label_bug)
1468 SSL_CTX_set_mode(server_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1469 #endif
1470
1471 /* Setup SSL and buffers; additional configuration happens below. */
1472 if (!create_peer(&server, server_ctx)) {
1473 TEST_note("creating server context");
1474 goto err;
1475 }
1476 if (!create_peer(&client, client_ctx)) {
1477 TEST_note("creating client context");
1478 goto err;
1479 }
1480
1481 server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size;
1482 client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size;
1483
1484 configure_handshake_ssl(server.ssl, client.ssl, extra);
1485 if (session_in != NULL) {
1486 SSL_SESSION_get_id(serv_sess_in, &sess_id_len);
1487 /* In case we're testing resumption without tickets. */
1488 if ((sess_id_len > 0
1489 && !TEST_true(SSL_CTX_add_session(server_ctx,
1490 serv_sess_in)))
1491 || !TEST_true(SSL_set_session(client.ssl, session_in)))
1492 goto err;
1493 sess_id_len = 0;
1494 }
1495
1496 ret->result = SSL_TEST_INTERNAL_ERROR;
1497
1498 if (test_ctx->use_sctp) {
1499 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1500 int csock, ssock;
1501
1502 if (create_sctp_socks(&ssock, &csock)) {
1503 client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE);
1504 server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE);
1505 }
1506 #endif
1507 } else {
1508 client_to_server = BIO_new(BIO_s_mem());
1509 server_to_client = BIO_new(BIO_s_mem());
1510 }
1511
1512 if (!TEST_ptr(client_to_server)
1513 || !TEST_ptr(server_to_client))
1514 goto err;
1515
1516 /* Non-blocking bio. */
1517 BIO_set_nbio(client_to_server, 1);
1518 BIO_set_nbio(server_to_client, 1);
1519
1520 SSL_set_connect_state(client.ssl);
1521 SSL_set_accept_state(server.ssl);
1522
1523 /* The bios are now owned by the SSL object. */
1524 if (test_ctx->use_sctp) {
1525 SSL_set_bio(client.ssl, client_to_server, client_to_server);
1526 SSL_set_bio(server.ssl, server_to_client, server_to_client);
1527 } else {
1528 SSL_set_bio(client.ssl, server_to_client, client_to_server);
1529 if (!TEST_int_gt(BIO_up_ref(server_to_client), 0)
1530 || !TEST_int_gt(BIO_up_ref(client_to_server), 0))
1531 goto err;
1532 SSL_set_bio(server.ssl, client_to_server, server_to_client);
1533 }
1534
1535 ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
1536 if (!TEST_int_ge(ex_data_idx, 0)
1537 || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1)
1538 || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1))
1539 goto err;
1540
1541 SSL_set_info_callback(server.ssl, &info_cb);
1542 SSL_set_info_callback(client.ssl, &info_cb);
1543
1544 client.status = PEER_RETRY;
1545 server.status = PEER_WAITING;
1546
1547 start = time(NULL);
1548
1549 /*
1550 * Half-duplex handshake loop.
1551 * Client and server speak to each other synchronously in the same process.
1552 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1553 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1554 * The handshake succeeds once both peers have succeeded. If one peer
1555 * errors out, we also let the other peer retry (and presumably fail).
1556 */
1557 for (;;) {
1558 if (client_turn) {
1559 do_connect_step(test_ctx, &client, phase);
1560 status = handshake_status(client.status, server.status,
1561 1 /* client went last */);
1562 if (server.status == PEER_WAITING)
1563 server.status = PEER_RETRY;
1564 } else {
1565 do_connect_step(test_ctx, &server, phase);
1566 status = handshake_status(server.status, client.status,
1567 0 /* server went last */);
1568 }
1569
1570 switch (status) {
1571 case HANDSHAKE_SUCCESS:
1572 client_turn_count = 0;
1573 phase = next_phase(test_ctx, phase);
1574 if (phase == CONNECTION_DONE) {
1575 ret->result = SSL_TEST_SUCCESS;
1576 goto err;
1577 } else {
1578 client.status = server.status = PEER_RETRY;
1579 /*
1580 * For now, client starts each phase. Since each phase is
1581 * started separately, we can later control this more
1582 * precisely, for example, to test client-initiated and
1583 * server-initiated shutdown.
1584 */
1585 client_turn = 1;
1586 break;
1587 }
1588 case CLIENT_ERROR:
1589 ret->result = SSL_TEST_CLIENT_FAIL;
1590 goto err;
1591 case SERVER_ERROR:
1592 ret->result = SSL_TEST_SERVER_FAIL;
1593 goto err;
1594 case INTERNAL_ERROR:
1595 ret->result = SSL_TEST_INTERNAL_ERROR;
1596 goto err;
1597 case HANDSHAKE_RETRY:
1598 if (test_ctx->use_sctp) {
1599 if (time(NULL) - start > 3) {
1600 /*
1601 * We've waited for too long. Give up.
1602 */
1603 ret->result = SSL_TEST_INTERNAL_ERROR;
1604 goto err;
1605 }
1606 /*
1607 * With "real" sockets we only swap to processing the peer
1608 * if they are expecting to retry. Otherwise we just retry the
1609 * same endpoint again.
1610 */
1611 if ((client_turn && server.status == PEER_RETRY)
1612 || (!client_turn && client.status == PEER_RETRY))
1613 client_turn ^= 1;
1614 } else {
1615 if (client_turn_count++ >= 2000) {
1616 /*
1617 * At this point, there's been so many PEER_RETRY in a row
1618 * that it's likely both sides are stuck waiting for a read.
1619 * It's time to give up.
1620 */
1621 ret->result = SSL_TEST_INTERNAL_ERROR;
1622 goto err;
1623 }
1624 if (client_turn && server.status == PEER_SUCCESS) {
1625 /*
1626 * The server may finish before the client because the
1627 * client spends some turns processing NewSessionTickets.
1628 */
1629 if (client_wait_count++ >= 2) {
1630 ret->result = SSL_TEST_INTERNAL_ERROR;
1631 goto err;
1632 }
1633 } else {
1634 /* Continue. */
1635 client_turn ^= 1;
1636 }
1637 }
1638 break;
1639 }
1640 }
1641 err:
1642 ret->server_alert_sent = server_ex_data.alert_sent;
1643 ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent;
1644 ret->server_alert_received = client_ex_data.alert_received;
1645 ret->client_alert_sent = client_ex_data.alert_sent;
1646 ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent;
1647 ret->client_alert_received = server_ex_data.alert_received;
1648 ret->server_protocol = SSL_version(server.ssl);
1649 ret->client_protocol = SSL_version(client.ssl);
1650 ret->servername = server_ex_data.servername;
1651 if ((sess = SSL_get0_session(client.ssl)) != NULL) {
1652 SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
1653 sess_id = SSL_SESSION_get_id(sess, &sess_id_len);
1654 }
1655 if (tick == NULL || tick_len == 0)
1656 ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
1657 else
1658 ret->session_ticket = SSL_TEST_SESSION_TICKET_YES;
1659 ret->compression = (SSL_get_current_compression(client.ssl) == NULL)
1660 ? SSL_TEST_COMPRESSION_NO
1661 : SSL_TEST_COMPRESSION_YES;
1662 if (sess_id == NULL || sess_id_len == 0)
1663 ret->session_id = SSL_TEST_SESSION_ID_NO;
1664 else
1665 ret->session_id = SSL_TEST_SESSION_ID_YES;
1666 ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
1667
1668 if (extra->client.verify_callback == SSL_TEST_VERIFY_RETRY_ONCE
1669 && n_retries != -1)
1670 ret->result = SSL_TEST_SERVER_FAIL;
1671
1672 #ifndef OPENSSL_NO_NEXTPROTONEG
1673 SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len);
1674 ret->client_npn_negotiated = dup_str(proto, proto_len);
1675
1676 SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len);
1677 ret->server_npn_negotiated = dup_str(proto, proto_len);
1678 #endif
1679
1680 SSL_get0_alpn_selected(client.ssl, &proto, &proto_len);
1681 ret->client_alpn_negotiated = dup_str(proto, proto_len);
1682
1683 SSL_get0_alpn_selected(server.ssl, &proto, &proto_len);
1684 ret->server_alpn_negotiated = dup_str(proto, proto_len);
1685
1686 if ((sess = SSL_get0_session(server.ssl)) != NULL) {
1687 SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len);
1688 ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len);
1689 }
1690
1691 ret->client_resumed = SSL_session_reused(client.ssl);
1692 ret->server_resumed = SSL_session_reused(server.ssl);
1693
1694 cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl));
1695 ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher));
1696
1697 if (session_out != NULL)
1698 *session_out = SSL_get1_session(client.ssl);
1699 if (serv_sess_out != NULL) {
1700 SSL_SESSION *tmp = SSL_get_session(server.ssl);
1701
1702 /*
1703 * We create a fresh copy that is not in the server session ctx linked
1704 * list.
1705 */
1706 if (tmp != NULL)
1707 *serv_sess_out = SSL_SESSION_dup(tmp);
1708 }
1709
1710 if (SSL_get_peer_tmp_key(client.ssl, &tmp_key)) {
1711 ret->tmp_key_type = pkey_type(tmp_key);
1712 EVP_PKEY_free(tmp_key);
1713 }
1714
1715 SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash);
1716 SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash);
1717
1718 SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type);
1719 SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type);
1720
1721 names = SSL_get0_peer_CA_list(client.ssl);
1722 if (names == NULL)
1723 ret->client_ca_names = NULL;
1724 else
1725 ret->client_ca_names = SSL_dup_CA_list(names);
1726
1727 names = SSL_get0_peer_CA_list(server.ssl);
1728 if (names == NULL)
1729 ret->server_ca_names = NULL;
1730 else
1731 ret->server_ca_names = SSL_dup_CA_list(names);
1732
1733 ret->server_cert_type = peer_pkey_type(client.ssl);
1734 ret->client_cert_type = peer_pkey_type(server.ssl);
1735
1736 ctx_data_free_data(&server_ctx_data);
1737 ctx_data_free_data(&server2_ctx_data);
1738 ctx_data_free_data(&client_ctx_data);
1739
1740 peer_free_data(&server);
1741 peer_free_data(&client);
1742 return ret;
1743 }
1744
do_handshake(SSL_CTX * server_ctx,SSL_CTX * server2_ctx,SSL_CTX * client_ctx,SSL_CTX * resume_server_ctx,SSL_CTX * resume_client_ctx,const SSL_TEST_CTX * test_ctx)1745 HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
1746 SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx,
1747 SSL_CTX *resume_client_ctx,
1748 const SSL_TEST_CTX *test_ctx)
1749 {
1750 HANDSHAKE_RESULT *result;
1751 SSL_SESSION *session = NULL, *serv_sess = NULL;
1752
1753 result = do_handshake_internal(server_ctx, server2_ctx, client_ctx,
1754 test_ctx, &test_ctx->extra,
1755 NULL, NULL, &session, &serv_sess);
1756 if (result == NULL
1757 || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME
1758 || result->result == SSL_TEST_INTERNAL_ERROR)
1759 goto end;
1760
1761 if (result->result != SSL_TEST_SUCCESS) {
1762 result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED;
1763 goto end;
1764 }
1765
1766 HANDSHAKE_RESULT_free(result);
1767 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1768 result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx,
1769 test_ctx, &test_ctx->resume_extra,
1770 session, serv_sess, NULL, NULL);
1771 end:
1772 SSL_SESSION_free(session);
1773 SSL_SESSION_free(serv_sess);
1774 return result;
1775 }
1776