1 /*
2 * Copyright 2016-2022 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/sockets.h"
19 #include "internal/nelem.h"
20 #include "handshake.h"
21 #include "../testutil.h"
22
23 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
24 #include <netinet/sctp.h>
25 #endif
26
HANDSHAKE_RESULT_new(void)27 HANDSHAKE_RESULT *HANDSHAKE_RESULT_new(void)
28 {
29 HANDSHAKE_RESULT *ret;
30
31 TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret)));
32 return ret;
33 }
34
HANDSHAKE_RESULT_free(HANDSHAKE_RESULT * result)35 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result)
36 {
37 if (result == NULL)
38 return;
39 OPENSSL_free(result->client_npn_negotiated);
40 OPENSSL_free(result->server_npn_negotiated);
41 OPENSSL_free(result->client_alpn_negotiated);
42 OPENSSL_free(result->server_alpn_negotiated);
43 OPENSSL_free(result->result_session_ticket_app_data);
44 sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free);
45 sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free);
46 OPENSSL_free(result->cipher);
47 OPENSSL_free(result);
48 }
49
50 /*
51 * Since there appears to be no way to extract the sent/received alert
52 * from the SSL object directly, we use the info callback and stash
53 * the result in ex_data.
54 */
55 typedef struct handshake_ex_data_st {
56 int alert_sent;
57 int num_fatal_alerts_sent;
58 int alert_received;
59 int session_ticket_do_not_call;
60 ssl_servername_t servername;
61 } HANDSHAKE_EX_DATA;
62
63 /* |ctx_data| itself is stack-allocated. */
ctx_data_free_data(CTX_DATA * ctx_data)64 static void ctx_data_free_data(CTX_DATA *ctx_data)
65 {
66 OPENSSL_free(ctx_data->npn_protocols);
67 ctx_data->npn_protocols = NULL;
68 OPENSSL_free(ctx_data->alpn_protocols);
69 ctx_data->alpn_protocols = NULL;
70 OPENSSL_free(ctx_data->srp_user);
71 ctx_data->srp_user = NULL;
72 OPENSSL_free(ctx_data->srp_password);
73 ctx_data->srp_password = NULL;
74 OPENSSL_free(ctx_data->session_ticket_app_data);
75 ctx_data->session_ticket_app_data = NULL;
76 }
77
78 static int ex_data_idx;
79
info_cb(const SSL * s,int where,int ret)80 static void info_cb(const SSL *s, int where, int ret)
81 {
82 if (where & SSL_CB_ALERT) {
83 HANDSHAKE_EX_DATA *ex_data =
84 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
85 if (where & SSL_CB_WRITE) {
86 ex_data->alert_sent = ret;
87 if (strcmp(SSL_alert_type_string(ret), "F") == 0
88 || strcmp(SSL_alert_desc_string(ret), "CN") == 0)
89 ex_data->num_fatal_alerts_sent++;
90 } else {
91 ex_data->alert_received = ret;
92 }
93 }
94 }
95
96 /* Select the appropriate server CTX.
97 * Returns SSL_TLSEXT_ERR_OK if a match was found.
98 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
99 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
100 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
101 */
select_server_ctx(SSL * s,void * arg,int ignore)102 static int select_server_ctx(SSL *s, void *arg, int ignore)
103 {
104 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
105 HANDSHAKE_EX_DATA *ex_data =
106 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
107
108 if (servername == NULL) {
109 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
110 return SSL_TLSEXT_ERR_NOACK;
111 }
112
113 if (strcmp(servername, "server2") == 0) {
114 SSL_CTX *new_ctx = (SSL_CTX*)arg;
115 SSL_set_SSL_CTX(s, new_ctx);
116 /*
117 * Copy over all the SSL_CTX options - reasonable behavior
118 * allows testing of cases where the options between two
119 * contexts differ/conflict
120 */
121 SSL_clear_options(s, 0xFFFFFFFFL);
122 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
123
124 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
125 return SSL_TLSEXT_ERR_OK;
126 } else if (strcmp(servername, "server1") == 0) {
127 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
128 return SSL_TLSEXT_ERR_OK;
129 } else if (ignore) {
130 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
131 return SSL_TLSEXT_ERR_NOACK;
132 } else {
133 /* Don't set an explicit alert, to test library defaults. */
134 return SSL_TLSEXT_ERR_ALERT_FATAL;
135 }
136 }
137
client_hello_select_server_ctx(SSL * s,void * arg,int ignore)138 static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore)
139 {
140 const char *servername;
141 const unsigned char *p;
142 size_t len, remaining;
143 HANDSHAKE_EX_DATA *ex_data =
144 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
145
146 /*
147 * The server_name extension was given too much extensibility when it
148 * was written, so parsing the normal case is a bit complex.
149 */
150 if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p,
151 &remaining) ||
152 remaining <= 2)
153 return 0;
154 /* Extract the length of the supplied list of names. */
155 len = (*(p++) << 8);
156 len += *(p++);
157 if (len + 2 != remaining)
158 return 0;
159 remaining = len;
160 /*
161 * The list in practice only has a single element, so we only consider
162 * the first one.
163 */
164 if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
165 return 0;
166 remaining--;
167 /* Now we can finally pull out the byte array with the actual hostname. */
168 if (remaining <= 2)
169 return 0;
170 len = (*(p++) << 8);
171 len += *(p++);
172 if (len + 2 > remaining)
173 return 0;
174 remaining = len;
175 servername = (const char *)p;
176
177 if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
178 SSL_CTX *new_ctx = arg;
179 SSL_set_SSL_CTX(s, new_ctx);
180 /*
181 * Copy over all the SSL_CTX options - reasonable behavior
182 * allows testing of cases where the options between two
183 * contexts differ/conflict
184 */
185 SSL_clear_options(s, 0xFFFFFFFFL);
186 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
187
188 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
189 return 1;
190 } else if (len == strlen("server1") &&
191 strncmp(servername, "server1", len) == 0) {
192 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
193 return 1;
194 } else if (ignore) {
195 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
196 return 1;
197 }
198 return 0;
199 }
200 /*
201 * (RFC 6066):
202 * If the server understood the ClientHello extension but
203 * does not recognize the server name, the server SHOULD take one of two
204 * actions: either abort the handshake by sending a fatal-level
205 * unrecognized_name(112) alert or continue the handshake.
206 *
207 * This behaviour is up to the application to configure; we test both
208 * configurations to ensure the state machine propagates the result
209 * correctly.
210 */
servername_ignore_cb(SSL * s,int * ad,void * arg)211 static int servername_ignore_cb(SSL *s, int *ad, void *arg)
212 {
213 return select_server_ctx(s, arg, 1);
214 }
215
servername_reject_cb(SSL * s,int * ad,void * arg)216 static int servername_reject_cb(SSL *s, int *ad, void *arg)
217 {
218 return select_server_ctx(s, arg, 0);
219 }
220
client_hello_ignore_cb(SSL * s,int * al,void * arg)221 static int client_hello_ignore_cb(SSL *s, int *al, void *arg)
222 {
223 if (!client_hello_select_server_ctx(s, arg, 1)) {
224 *al = SSL_AD_UNRECOGNIZED_NAME;
225 return SSL_CLIENT_HELLO_ERROR;
226 }
227 return SSL_CLIENT_HELLO_SUCCESS;
228 }
229
client_hello_reject_cb(SSL * s,int * al,void * arg)230 static int client_hello_reject_cb(SSL *s, int *al, void *arg)
231 {
232 if (!client_hello_select_server_ctx(s, arg, 0)) {
233 *al = SSL_AD_UNRECOGNIZED_NAME;
234 return SSL_CLIENT_HELLO_ERROR;
235 }
236 return SSL_CLIENT_HELLO_SUCCESS;
237 }
238
client_hello_nov12_cb(SSL * s,int * al,void * arg)239 static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
240 {
241 int ret;
242 unsigned int v;
243 const unsigned char *p;
244
245 v = SSL_client_hello_get0_legacy_version(s);
246 if (v > TLS1_2_VERSION || v < SSL3_VERSION) {
247 *al = SSL_AD_PROTOCOL_VERSION;
248 return SSL_CLIENT_HELLO_ERROR;
249 }
250 (void)SSL_client_hello_get0_session_id(s, &p);
251 if (p == NULL ||
252 SSL_client_hello_get0_random(s, &p) == 0 ||
253 SSL_client_hello_get0_ciphers(s, &p) == 0 ||
254 SSL_client_hello_get0_compression_methods(s, &p) == 0) {
255 *al = SSL_AD_INTERNAL_ERROR;
256 return SSL_CLIENT_HELLO_ERROR;
257 }
258 ret = client_hello_select_server_ctx(s, arg, 0);
259 SSL_set_max_proto_version(s, TLS1_1_VERSION);
260 if (!ret) {
261 *al = SSL_AD_UNRECOGNIZED_NAME;
262 return SSL_CLIENT_HELLO_ERROR;
263 }
264 return SSL_CLIENT_HELLO_SUCCESS;
265 }
266
267 static unsigned char dummy_ocsp_resp_good_val = 0xff;
268 static unsigned char dummy_ocsp_resp_bad_val = 0xfe;
269
server_ocsp_cb(SSL * s,void * arg)270 static int server_ocsp_cb(SSL *s, void *arg)
271 {
272 unsigned char *resp;
273
274 resp = OPENSSL_malloc(1);
275 if (resp == NULL)
276 return SSL_TLSEXT_ERR_ALERT_FATAL;
277 /*
278 * For the purposes of testing we just send back a dummy OCSP response
279 */
280 *resp = *(unsigned char *)arg;
281 if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1)) {
282 OPENSSL_free(resp);
283 return SSL_TLSEXT_ERR_ALERT_FATAL;
284 }
285
286 return SSL_TLSEXT_ERR_OK;
287 }
288
client_ocsp_cb(SSL * s,void * arg)289 static int client_ocsp_cb(SSL *s, void *arg)
290 {
291 const unsigned char *resp;
292 int len;
293
294 len = SSL_get_tlsext_status_ocsp_resp(s, &resp);
295 if (len != 1 || *resp != dummy_ocsp_resp_good_val)
296 return 0;
297
298 return 1;
299 }
300
verify_reject_cb(X509_STORE_CTX * ctx,void * arg)301 static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) {
302 X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION);
303 return 0;
304 }
305
306 static int n_retries = 0;
verify_retry_cb(X509_STORE_CTX * ctx,void * arg)307 static int verify_retry_cb(X509_STORE_CTX *ctx, void *arg) {
308 int idx = SSL_get_ex_data_X509_STORE_CTX_idx();
309 SSL *ssl;
310
311 /* this should not happen but check anyway */
312 if (idx < 0
313 || (ssl = X509_STORE_CTX_get_ex_data(ctx, idx)) == NULL)
314 return 0;
315
316 if (--n_retries < 0)
317 return 1;
318
319 return SSL_set_retry_verify(ssl);
320 }
321
verify_accept_cb(X509_STORE_CTX * ctx,void * arg)322 static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) {
323 return 1;
324 }
325
broken_session_ticket_cb(SSL * s,unsigned char * key_name,unsigned char * iv,EVP_CIPHER_CTX * ctx,EVP_MAC_CTX * hctx,int enc)326 static int broken_session_ticket_cb(SSL *s, unsigned char *key_name,
327 unsigned char *iv, EVP_CIPHER_CTX *ctx,
328 EVP_MAC_CTX *hctx, int enc)
329 {
330 return 0;
331 }
332
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)333 static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name,
334 unsigned char *iv,
335 EVP_CIPHER_CTX *ctx,
336 EVP_MAC_CTX *hctx, int enc)
337 {
338 HANDSHAKE_EX_DATA *ex_data =
339 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
340 ex_data->session_ticket_do_not_call = 1;
341 return 0;
342 }
343
344 /* Parse the comma-separated list into TLS format. */
parse_protos(const char * protos,unsigned char ** out,size_t * outlen)345 static int parse_protos(const char *protos, unsigned char **out, size_t *outlen)
346 {
347 size_t len, i, prefix;
348
349 len = strlen(protos);
350
351 /* Should never have reuse. */
352 if (!TEST_ptr_null(*out)
353 /* Test values are small, so we omit length limit checks. */
354 || !TEST_ptr(*out = OPENSSL_malloc(len + 1)))
355 return 0;
356 *outlen = len + 1;
357
358 /*
359 * foo => '3', 'f', 'o', 'o'
360 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
361 */
362 memcpy(*out + 1, protos, len);
363
364 prefix = 0;
365 i = prefix + 1;
366 while (i <= len) {
367 if ((*out)[i] == ',') {
368 if (!TEST_int_gt(i - 1, prefix))
369 goto err;
370 (*out)[prefix] = (unsigned char)(i - 1 - prefix);
371 prefix = i;
372 }
373 i++;
374 }
375 if (!TEST_int_gt(len, prefix))
376 goto err;
377 (*out)[prefix] = (unsigned char)(len - prefix);
378 return 1;
379
380 err:
381 OPENSSL_free(*out);
382 *out = NULL;
383 return 0;
384 }
385
386 #ifndef OPENSSL_NO_NEXTPROTONEG
387 /*
388 * The client SHOULD select the first protocol advertised by the server that it
389 * also supports. In the event that the client doesn't support any of server's
390 * protocols, or the server doesn't advertise any, it SHOULD select the first
391 * protocol that it supports.
392 */
client_npn_cb(SSL * s,unsigned char ** out,unsigned char * outlen,const unsigned char * in,unsigned int inlen,void * arg)393 static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen,
394 const unsigned char *in, unsigned int inlen,
395 void *arg)
396 {
397 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
398 int ret;
399
400 ret = SSL_select_next_proto(out, outlen, in, inlen,
401 ctx_data->npn_protocols,
402 ctx_data->npn_protocols_len);
403 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
404 return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP)
405 ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL;
406 }
407
server_npn_cb(SSL * s,const unsigned char ** data,unsigned int * len,void * arg)408 static int server_npn_cb(SSL *s, const unsigned char **data,
409 unsigned int *len, void *arg)
410 {
411 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
412 *data = ctx_data->npn_protocols;
413 *len = ctx_data->npn_protocols_len;
414 return SSL_TLSEXT_ERR_OK;
415 }
416 #endif
417
418 /*
419 * The server SHOULD select the most highly preferred protocol that it supports
420 * and that is also advertised by the client. In the event that the server
421 * supports no protocols that the client advertises, then the server SHALL
422 * respond with a fatal "no_application_protocol" alert.
423 */
server_alpn_cb(SSL * s,const unsigned char ** out,unsigned char * outlen,const unsigned char * in,unsigned int inlen,void * arg)424 static int server_alpn_cb(SSL *s, const unsigned char **out,
425 unsigned char *outlen, const unsigned char *in,
426 unsigned int inlen, void *arg)
427 {
428 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
429 int ret;
430
431 /* SSL_select_next_proto isn't const-correct... */
432 unsigned char *tmp_out;
433
434 /*
435 * The result points either to |in| or to |ctx_data->alpn_protocols|.
436 * The callback is allowed to point to |in| or to a long-lived buffer,
437 * so we can return directly without storing a copy.
438 */
439 ret = SSL_select_next_proto(&tmp_out, outlen,
440 ctx_data->alpn_protocols,
441 ctx_data->alpn_protocols_len, in, inlen);
442
443 *out = tmp_out;
444 /* Unlike NPN, we don't tolerate a mismatch. */
445 return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK
446 : SSL_TLSEXT_ERR_ALERT_FATAL;
447 }
448
generate_session_ticket_cb(SSL * s,void * arg)449 static int generate_session_ticket_cb(SSL *s, void *arg)
450 {
451 CTX_DATA *server_ctx_data = arg;
452 SSL_SESSION *ss = SSL_get_session(s);
453 char *app_data = server_ctx_data->session_ticket_app_data;
454
455 if (ss == NULL || app_data == NULL)
456 return 0;
457
458 return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data));
459 }
460
decrypt_session_ticket_cb(SSL * s,SSL_SESSION * ss,const unsigned char * keyname,size_t keyname_len,SSL_TICKET_STATUS status,void * arg)461 static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss,
462 const unsigned char *keyname,
463 size_t keyname_len,
464 SSL_TICKET_STATUS status,
465 void *arg)
466 {
467 switch (status) {
468 case SSL_TICKET_EMPTY:
469 case SSL_TICKET_NO_DECRYPT:
470 return SSL_TICKET_RETURN_IGNORE_RENEW;
471 case SSL_TICKET_SUCCESS:
472 return SSL_TICKET_RETURN_USE;
473 case SSL_TICKET_SUCCESS_RENEW:
474 return SSL_TICKET_RETURN_USE_RENEW;
475 default:
476 break;
477 }
478 return SSL_TICKET_RETURN_ABORT;
479 }
480
481 /*
482 * Configure callbacks and other properties that can't be set directly
483 * in the server/client CONF.
484 */
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)485 static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
486 SSL_CTX *client_ctx,
487 const SSL_TEST_CTX *test,
488 const SSL_TEST_EXTRA_CONF *extra,
489 CTX_DATA *server_ctx_data,
490 CTX_DATA *server2_ctx_data,
491 CTX_DATA *client_ctx_data)
492 {
493 unsigned char *ticket_keys;
494 size_t ticket_key_len;
495
496 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx,
497 test->max_fragment_size), 1))
498 goto err;
499 if (server2_ctx != NULL) {
500 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx,
501 test->max_fragment_size),
502 1))
503 goto err;
504 }
505 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx,
506 test->max_fragment_size), 1))
507 goto err;
508
509 switch (extra->client.verify_callback) {
510 case SSL_TEST_VERIFY_ACCEPT_ALL:
511 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL);
512 break;
513 case SSL_TEST_VERIFY_RETRY_ONCE:
514 n_retries = 1;
515 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_retry_cb, NULL);
516 break;
517 case SSL_TEST_VERIFY_REJECT_ALL:
518 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL);
519 break;
520 case SSL_TEST_VERIFY_NONE:
521 break;
522 }
523
524 switch (extra->client.max_fragment_len_mode) {
525 case TLSEXT_max_fragment_length_512:
526 case TLSEXT_max_fragment_length_1024:
527 case TLSEXT_max_fragment_length_2048:
528 case TLSEXT_max_fragment_length_4096:
529 case TLSEXT_max_fragment_length_DISABLED:
530 SSL_CTX_set_tlsext_max_fragment_length(
531 client_ctx, extra->client.max_fragment_len_mode);
532 break;
533 }
534
535 /*
536 * Link the two contexts for SNI purposes.
537 * Also do ClientHello callbacks here, as setting both ClientHello and SNI
538 * is bad.
539 */
540 switch (extra->server.servername_callback) {
541 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH:
542 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb);
543 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
544 break;
545 case SSL_TEST_SERVERNAME_REJECT_MISMATCH:
546 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb);
547 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
548 break;
549 case SSL_TEST_SERVERNAME_CB_NONE:
550 break;
551 case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH:
552 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx);
553 break;
554 case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH:
555 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx);
556 break;
557 case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12:
558 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx);
559 }
560
561 if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) {
562 SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp);
563 SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb);
564 SSL_CTX_set_tlsext_status_arg(client_ctx, NULL);
565 SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb);
566 SSL_CTX_set_tlsext_status_arg(server_ctx,
567 ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE)
568 ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val));
569 }
570
571 /*
572 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
573 * session ticket. This ticket_key callback is assigned to the second
574 * session (assigned via SNI), and should never be invoked
575 */
576 if (server2_ctx != NULL)
577 SSL_CTX_set_tlsext_ticket_key_evp_cb(server2_ctx,
578 do_not_call_session_ticket_cb);
579
580 if (extra->server.broken_session_ticket) {
581 SSL_CTX_set_tlsext_ticket_key_evp_cb(server_ctx,
582 broken_session_ticket_cb);
583 }
584 #ifndef OPENSSL_NO_NEXTPROTONEG
585 if (extra->server.npn_protocols != NULL) {
586 if (!TEST_true(parse_protos(extra->server.npn_protocols,
587 &server_ctx_data->npn_protocols,
588 &server_ctx_data->npn_protocols_len)))
589 goto err;
590 SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb,
591 server_ctx_data);
592 }
593 if (extra->server2.npn_protocols != NULL) {
594 if (!TEST_true(parse_protos(extra->server2.npn_protocols,
595 &server2_ctx_data->npn_protocols,
596 &server2_ctx_data->npn_protocols_len))
597 || !TEST_ptr(server2_ctx))
598 goto err;
599 SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb,
600 server2_ctx_data);
601 }
602 if (extra->client.npn_protocols != NULL) {
603 if (!TEST_true(parse_protos(extra->client.npn_protocols,
604 &client_ctx_data->npn_protocols,
605 &client_ctx_data->npn_protocols_len)))
606 goto err;
607 SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb,
608 client_ctx_data);
609 }
610 #endif
611 if (extra->server.alpn_protocols != NULL) {
612 if (!TEST_true(parse_protos(extra->server.alpn_protocols,
613 &server_ctx_data->alpn_protocols,
614 &server_ctx_data->alpn_protocols_len)))
615 goto err;
616 SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data);
617 }
618 if (extra->server2.alpn_protocols != NULL) {
619 if (!TEST_ptr(server2_ctx)
620 || !TEST_true(parse_protos(extra->server2.alpn_protocols,
621 &server2_ctx_data->alpn_protocols,
622 &server2_ctx_data->alpn_protocols_len
623 )))
624 goto err;
625 SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb,
626 server2_ctx_data);
627 }
628 if (extra->client.alpn_protocols != NULL) {
629 unsigned char *alpn_protos = NULL;
630 size_t alpn_protos_len = 0;
631
632 if (!TEST_true(parse_protos(extra->client.alpn_protocols,
633 &alpn_protos, &alpn_protos_len))
634 /* Reversed return value convention... */
635 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos,
636 alpn_protos_len), 0))
637 goto err;
638 OPENSSL_free(alpn_protos);
639 }
640
641 if (extra->server.session_ticket_app_data != NULL) {
642 server_ctx_data->session_ticket_app_data =
643 OPENSSL_strdup(extra->server.session_ticket_app_data);
644 SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb,
645 decrypt_session_ticket_cb, server_ctx_data);
646 }
647 if (extra->server2.session_ticket_app_data != NULL) {
648 if (!TEST_ptr(server2_ctx))
649 goto err;
650 server2_ctx_data->session_ticket_app_data =
651 OPENSSL_strdup(extra->server2.session_ticket_app_data);
652 SSL_CTX_set_session_ticket_cb(server2_ctx, NULL,
653 decrypt_session_ticket_cb, server2_ctx_data);
654 }
655
656 /*
657 * Use fixed session ticket keys so that we can decrypt a ticket created with
658 * one CTX in another CTX. Don't address server2 for the moment.
659 */
660 ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0);
661 if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len))
662 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx,
663 ticket_keys,
664 ticket_key_len), 1)) {
665 OPENSSL_free(ticket_keys);
666 goto err;
667 }
668 OPENSSL_free(ticket_keys);
669
670 /* The default log list includes EC keys, so CT can't work without EC. */
671 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
672 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx)))
673 goto err;
674 switch (extra->client.ct_validation) {
675 case SSL_TEST_CT_VALIDATION_PERMISSIVE:
676 if (!TEST_true(SSL_CTX_enable_ct(client_ctx,
677 SSL_CT_VALIDATION_PERMISSIVE)))
678 goto err;
679 break;
680 case SSL_TEST_CT_VALIDATION_STRICT:
681 if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT)))
682 goto err;
683 break;
684 case SSL_TEST_CT_VALIDATION_NONE:
685 break;
686 }
687 #endif
688 #ifndef OPENSSL_NO_SRP
689 if (!configure_handshake_ctx_for_srp(server_ctx, server2_ctx, client_ctx,
690 extra, server_ctx_data,
691 server2_ctx_data, client_ctx_data))
692 goto err;
693 #endif /* !OPENSSL_NO_SRP */
694 return 1;
695 err:
696 return 0;
697 }
698
699 /* Configure per-SSL callbacks and other properties. */
configure_handshake_ssl(SSL * server,SSL * client,const SSL_TEST_EXTRA_CONF * extra)700 static void configure_handshake_ssl(SSL *server, SSL *client,
701 const SSL_TEST_EXTRA_CONF *extra)
702 {
703 if (extra->client.servername != SSL_TEST_SERVERNAME_NONE)
704 SSL_set_tlsext_host_name(client,
705 ssl_servername_name(extra->client.servername));
706 if (extra->client.enable_pha)
707 SSL_set_post_handshake_auth(client, 1);
708 }
709
710 /* The status for each connection phase. */
711 typedef enum {
712 PEER_SUCCESS,
713 PEER_RETRY,
714 PEER_ERROR,
715 PEER_WAITING,
716 PEER_TEST_FAILURE
717 } peer_status_t;
718
719 /* An SSL object and associated read-write buffers. */
720 typedef struct peer_st {
721 SSL *ssl;
722 /* Buffer lengths are int to match the SSL read/write API. */
723 unsigned char *write_buf;
724 int write_buf_len;
725 unsigned char *read_buf;
726 int read_buf_len;
727 int bytes_to_write;
728 int bytes_to_read;
729 peer_status_t status;
730 } PEER;
731
create_peer(PEER * peer,SSL_CTX * ctx)732 static int create_peer(PEER *peer, SSL_CTX *ctx)
733 {
734 static const int peer_buffer_size = 64 * 1024;
735 SSL *ssl = NULL;
736 unsigned char *read_buf = NULL, *write_buf = NULL;
737
738 if (!TEST_ptr(ssl = SSL_new(ctx))
739 || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size))
740 || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size)))
741 goto err;
742
743 peer->ssl = ssl;
744 peer->write_buf = write_buf;
745 peer->read_buf = read_buf;
746 peer->write_buf_len = peer->read_buf_len = peer_buffer_size;
747 return 1;
748 err:
749 SSL_free(ssl);
750 OPENSSL_free(write_buf);
751 OPENSSL_free(read_buf);
752 return 0;
753 }
754
peer_free_data(PEER * peer)755 static void peer_free_data(PEER *peer)
756 {
757 SSL_free(peer->ssl);
758 OPENSSL_free(peer->write_buf);
759 OPENSSL_free(peer->read_buf);
760 }
761
762 /*
763 * Note that we could do the handshake transparently under an SSL_write,
764 * but separating the steps is more helpful for debugging test failures.
765 */
do_handshake_step(PEER * peer)766 static void do_handshake_step(PEER *peer)
767 {
768 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
769 peer->status = PEER_TEST_FAILURE;
770 } else {
771 int ret = SSL_do_handshake(peer->ssl);
772
773 if (ret == 1) {
774 peer->status = PEER_SUCCESS;
775 } else if (ret == 0) {
776 peer->status = PEER_ERROR;
777 } else {
778 int error = SSL_get_error(peer->ssl, ret);
779
780 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
781 if (error != SSL_ERROR_WANT_READ
782 && error != SSL_ERROR_WANT_RETRY_VERIFY)
783 peer->status = PEER_ERROR;
784 }
785 }
786 }
787
788 /*-
789 * Send/receive some application data. The read-write sequence is
790 * Peer A: (R) W - first read will yield no data
791 * Peer B: R W
792 * ...
793 * Peer A: R W
794 * Peer B: R W
795 * Peer A: R
796 */
do_app_data_step(PEER * peer)797 static void do_app_data_step(PEER *peer)
798 {
799 int ret = 1, write_bytes;
800
801 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
802 peer->status = PEER_TEST_FAILURE;
803 return;
804 }
805
806 /* We read everything available... */
807 while (ret > 0 && peer->bytes_to_read) {
808 ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len);
809 if (ret > 0) {
810 if (!TEST_int_le(ret, peer->bytes_to_read)) {
811 peer->status = PEER_TEST_FAILURE;
812 return;
813 }
814 peer->bytes_to_read -= ret;
815 } else if (ret == 0) {
816 peer->status = PEER_ERROR;
817 return;
818 } else {
819 int error = SSL_get_error(peer->ssl, ret);
820 if (error != SSL_ERROR_WANT_READ) {
821 peer->status = PEER_ERROR;
822 return;
823 } /* Else continue with write. */
824 }
825 }
826
827 /* ... but we only write one write-buffer-full of data. */
828 write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write :
829 peer->write_buf_len;
830 if (write_bytes) {
831 ret = SSL_write(peer->ssl, peer->write_buf, write_bytes);
832 if (ret > 0) {
833 /* SSL_write will only succeed with a complete write. */
834 if (!TEST_int_eq(ret, write_bytes)) {
835 peer->status = PEER_TEST_FAILURE;
836 return;
837 }
838 peer->bytes_to_write -= ret;
839 } else {
840 /*
841 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
842 * but this doesn't yet occur with current app data sizes.
843 */
844 peer->status = PEER_ERROR;
845 return;
846 }
847 }
848
849 /*
850 * We could simply finish when there was nothing to read, and we have
851 * nothing left to write. But keeping track of the expected number of bytes
852 * to read gives us somewhat better guarantees that all data sent is in fact
853 * received.
854 */
855 if (peer->bytes_to_write == 0 && peer->bytes_to_read == 0) {
856 peer->status = PEER_SUCCESS;
857 }
858 }
859
do_reneg_setup_step(const SSL_TEST_CTX * test_ctx,PEER * peer)860 static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
861 {
862 int ret;
863 char buf;
864
865 if (peer->status == PEER_SUCCESS) {
866 /*
867 * We are a client that succeeded this step previously, but the server
868 * wanted to retry. Probably there is a no_renegotiation warning alert
869 * waiting for us. Attempt to continue the handshake.
870 */
871 peer->status = PEER_RETRY;
872 do_handshake_step(peer);
873 return;
874 }
875
876 if (!TEST_int_eq(peer->status, PEER_RETRY)
877 || !TEST_true(test_ctx->handshake_mode
878 == SSL_TEST_HANDSHAKE_RENEG_SERVER
879 || test_ctx->handshake_mode
880 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
881 || test_ctx->handshake_mode
882 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
883 || test_ctx->handshake_mode
884 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
885 || test_ctx->handshake_mode
886 == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) {
887 peer->status = PEER_TEST_FAILURE;
888 return;
889 }
890
891 /* Reset the count of the amount of app data we need to read/write */
892 peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size;
893
894 /* Check if we are the peer that is going to initiate */
895 if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
896 && SSL_is_server(peer->ssl))
897 || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
898 && !SSL_is_server(peer->ssl))) {
899 /*
900 * If we already asked for a renegotiation then fall through to the
901 * SSL_read() below.
902 */
903 if (!SSL_renegotiate_pending(peer->ssl)) {
904 /*
905 * If we are the client we will always attempt to resume the
906 * session. The server may or may not resume dependent on the
907 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
908 */
909 if (SSL_is_server(peer->ssl)) {
910 ret = SSL_renegotiate(peer->ssl);
911 } else {
912 int full_reneg = 0;
913
914 if (test_ctx->extra.client.no_extms_on_reneg) {
915 SSL_set_options(peer->ssl, SSL_OP_NO_EXTENDED_MASTER_SECRET);
916 full_reneg = 1;
917 }
918 if (test_ctx->extra.client.reneg_ciphers != NULL) {
919 if (!SSL_set_cipher_list(peer->ssl,
920 test_ctx->extra.client.reneg_ciphers)) {
921 peer->status = PEER_ERROR;
922 return;
923 }
924 full_reneg = 1;
925 }
926 if (full_reneg)
927 ret = SSL_renegotiate(peer->ssl);
928 else
929 ret = SSL_renegotiate_abbreviated(peer->ssl);
930 }
931 if (!ret) {
932 peer->status = PEER_ERROR;
933 return;
934 }
935 do_handshake_step(peer);
936 /*
937 * If status is PEER_RETRY it means we're waiting on the peer to
938 * continue the handshake. As far as setting up the renegotiation is
939 * concerned that is a success. The next step will continue the
940 * handshake to its conclusion.
941 *
942 * If status is PEER_SUCCESS then we are the server and we have
943 * successfully sent the HelloRequest. We need to continue to wait
944 * until the handshake arrives from the client.
945 */
946 if (peer->status == PEER_RETRY)
947 peer->status = PEER_SUCCESS;
948 else if (peer->status == PEER_SUCCESS)
949 peer->status = PEER_RETRY;
950 return;
951 }
952 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
953 || test_ctx->handshake_mode
954 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) {
955 if (SSL_is_server(peer->ssl)
956 != (test_ctx->handshake_mode
957 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) {
958 peer->status = PEER_SUCCESS;
959 return;
960 }
961
962 ret = SSL_key_update(peer->ssl, test_ctx->key_update_type);
963 if (!ret) {
964 peer->status = PEER_ERROR;
965 return;
966 }
967 do_handshake_step(peer);
968 /*
969 * This is a one step handshake. We shouldn't get anything other than
970 * PEER_SUCCESS
971 */
972 if (peer->status != PEER_SUCCESS)
973 peer->status = PEER_ERROR;
974 return;
975 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) {
976 if (SSL_is_server(peer->ssl)) {
977 /* Make the server believe it's received the extension */
978 if (test_ctx->extra.server.force_pha)
979 peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
980 ret = SSL_verify_client_post_handshake(peer->ssl);
981 if (!ret) {
982 peer->status = PEER_ERROR;
983 return;
984 }
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 }
995
996 /*
997 * The SSL object is still expecting app data, even though it's going to
998 * get a handshake message. We try to read, and it should fail - after which
999 * we should be in a handshake
1000 */
1001 ret = SSL_read(peer->ssl, &buf, sizeof(buf));
1002 if (ret >= 0) {
1003 /*
1004 * We're not actually expecting data - we're expecting a reneg to
1005 * start
1006 */
1007 peer->status = PEER_ERROR;
1008 return;
1009 } else {
1010 int error = SSL_get_error(peer->ssl, ret);
1011 if (error != SSL_ERROR_WANT_READ) {
1012 peer->status = PEER_ERROR;
1013 return;
1014 }
1015 /* If we're not in init yet then we're not done with setup yet */
1016 if (!SSL_in_init(peer->ssl))
1017 return;
1018 }
1019
1020 peer->status = PEER_SUCCESS;
1021 }
1022
1023
1024 /*
1025 * RFC 5246 says:
1026 *
1027 * Note that as of TLS 1.1,
1028 * failure to properly close a connection no longer requires that a
1029 * session not be resumed. This is a change from TLS 1.0 to conform
1030 * with widespread implementation practice.
1031 *
1032 * However,
1033 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
1034 * (b) We test lower versions, too.
1035 * So we just implement shutdown. We do a full bidirectional shutdown so that we
1036 * can compare sent and received close_notify alerts and get some test coverage
1037 * for SSL_shutdown as a bonus.
1038 */
do_shutdown_step(PEER * peer)1039 static void do_shutdown_step(PEER *peer)
1040 {
1041 int ret;
1042
1043 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
1044 peer->status = PEER_TEST_FAILURE;
1045 return;
1046 }
1047 ret = SSL_shutdown(peer->ssl);
1048
1049 if (ret == 1) {
1050 peer->status = PEER_SUCCESS;
1051 } else if (ret < 0) { /* On 0, we retry. */
1052 int error = SSL_get_error(peer->ssl, ret);
1053
1054 if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE)
1055 peer->status = PEER_ERROR;
1056 }
1057 }
1058
1059 typedef enum {
1060 HANDSHAKE,
1061 RENEG_APPLICATION_DATA,
1062 RENEG_SETUP,
1063 RENEG_HANDSHAKE,
1064 APPLICATION_DATA,
1065 SHUTDOWN,
1066 CONNECTION_DONE
1067 } connect_phase_t;
1068
1069
renegotiate_op(const SSL_TEST_CTX * test_ctx)1070 static int renegotiate_op(const SSL_TEST_CTX *test_ctx)
1071 {
1072 switch (test_ctx->handshake_mode) {
1073 case SSL_TEST_HANDSHAKE_RENEG_SERVER:
1074 case SSL_TEST_HANDSHAKE_RENEG_CLIENT:
1075 return 1;
1076 default:
1077 return 0;
1078 }
1079 }
post_handshake_op(const SSL_TEST_CTX * test_ctx)1080 static int post_handshake_op(const SSL_TEST_CTX *test_ctx)
1081 {
1082 switch (test_ctx->handshake_mode) {
1083 case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT:
1084 case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER:
1085 case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH:
1086 return 1;
1087 default:
1088 return 0;
1089 }
1090 }
1091
next_phase(const SSL_TEST_CTX * test_ctx,connect_phase_t phase)1092 static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx,
1093 connect_phase_t phase)
1094 {
1095 switch (phase) {
1096 case HANDSHAKE:
1097 if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx))
1098 return RENEG_APPLICATION_DATA;
1099 return APPLICATION_DATA;
1100 case RENEG_APPLICATION_DATA:
1101 return RENEG_SETUP;
1102 case RENEG_SETUP:
1103 if (post_handshake_op(test_ctx))
1104 return APPLICATION_DATA;
1105 return RENEG_HANDSHAKE;
1106 case RENEG_HANDSHAKE:
1107 return APPLICATION_DATA;
1108 case APPLICATION_DATA:
1109 return SHUTDOWN;
1110 case SHUTDOWN:
1111 return CONNECTION_DONE;
1112 case CONNECTION_DONE:
1113 TEST_error("Trying to progress after connection done");
1114 break;
1115 }
1116 return -1;
1117 }
1118
do_connect_step(const SSL_TEST_CTX * test_ctx,PEER * peer,connect_phase_t phase)1119 static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer,
1120 connect_phase_t phase)
1121 {
1122 switch (phase) {
1123 case HANDSHAKE:
1124 do_handshake_step(peer);
1125 break;
1126 case RENEG_APPLICATION_DATA:
1127 do_app_data_step(peer);
1128 break;
1129 case RENEG_SETUP:
1130 do_reneg_setup_step(test_ctx, peer);
1131 break;
1132 case RENEG_HANDSHAKE:
1133 do_handshake_step(peer);
1134 break;
1135 case APPLICATION_DATA:
1136 do_app_data_step(peer);
1137 break;
1138 case SHUTDOWN:
1139 do_shutdown_step(peer);
1140 break;
1141 case CONNECTION_DONE:
1142 TEST_error("Action after connection done");
1143 break;
1144 }
1145 }
1146
1147 typedef enum {
1148 /* Both parties succeeded. */
1149 HANDSHAKE_SUCCESS,
1150 /* Client errored. */
1151 CLIENT_ERROR,
1152 /* Server errored. */
1153 SERVER_ERROR,
1154 /* Peers are in inconsistent state. */
1155 INTERNAL_ERROR,
1156 /* One or both peers not done. */
1157 HANDSHAKE_RETRY
1158 } handshake_status_t;
1159
1160 /*
1161 * Determine the handshake outcome.
1162 * last_status: the status of the peer to have acted last.
1163 * previous_status: the status of the peer that didn't act last.
1164 * client_spoke_last: 1 if the client went last.
1165 */
handshake_status(peer_status_t last_status,peer_status_t previous_status,int client_spoke_last)1166 static handshake_status_t handshake_status(peer_status_t last_status,
1167 peer_status_t previous_status,
1168 int client_spoke_last)
1169 {
1170 switch (last_status) {
1171 case PEER_TEST_FAILURE:
1172 return INTERNAL_ERROR;
1173
1174 case PEER_WAITING:
1175 /* Shouldn't ever happen */
1176 return INTERNAL_ERROR;
1177
1178 case PEER_SUCCESS:
1179 switch (previous_status) {
1180 case PEER_TEST_FAILURE:
1181 return INTERNAL_ERROR;
1182 case PEER_SUCCESS:
1183 /* Both succeeded. */
1184 return HANDSHAKE_SUCCESS;
1185 case PEER_WAITING:
1186 case PEER_RETRY:
1187 /* Let the first peer finish. */
1188 return HANDSHAKE_RETRY;
1189 case PEER_ERROR:
1190 /*
1191 * Second peer succeeded despite the fact that the first peer
1192 * already errored. This shouldn't happen.
1193 */
1194 return INTERNAL_ERROR;
1195 }
1196 break;
1197
1198 case PEER_RETRY:
1199 return HANDSHAKE_RETRY;
1200
1201 case PEER_ERROR:
1202 switch (previous_status) {
1203 case PEER_TEST_FAILURE:
1204 return INTERNAL_ERROR;
1205 case PEER_WAITING:
1206 /* The client failed immediately before sending the ClientHello */
1207 return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR;
1208 case PEER_SUCCESS:
1209 /* First peer succeeded but second peer errored. */
1210 return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR;
1211 case PEER_RETRY:
1212 /* We errored; let the peer finish. */
1213 return HANDSHAKE_RETRY;
1214 case PEER_ERROR:
1215 /* Both peers errored. Return the one that errored first. */
1216 return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR;
1217 }
1218 }
1219 /* Control should never reach here. */
1220 return INTERNAL_ERROR;
1221 }
1222
1223 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
dup_str(const unsigned char * in,size_t len)1224 static char *dup_str(const unsigned char *in, size_t len)
1225 {
1226 char *ret = NULL;
1227
1228 if (len == 0)
1229 return NULL;
1230
1231 /* Assert that the string does not contain NUL-bytes. */
1232 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len))
1233 TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len));
1234 return ret;
1235 }
1236
pkey_type(EVP_PKEY * pkey)1237 static int pkey_type(EVP_PKEY *pkey)
1238 {
1239 if (EVP_PKEY_is_a(pkey, "EC")) {
1240 char name[80];
1241 size_t name_len;
1242
1243 if (!EVP_PKEY_get_group_name(pkey, name, sizeof(name), &name_len))
1244 return NID_undef;
1245 return OBJ_txt2nid(name);
1246 }
1247 return EVP_PKEY_get_id(pkey);
1248 }
1249
peer_pkey_type(SSL * s)1250 static int peer_pkey_type(SSL *s)
1251 {
1252 X509 *x = SSL_get0_peer_certificate(s);
1253
1254 if (x != NULL)
1255 return pkey_type(X509_get0_pubkey(x));
1256 return NID_undef;
1257 }
1258
1259 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
set_sock_as_sctp(int sock)1260 static int set_sock_as_sctp(int sock)
1261 {
1262 struct sctp_assocparams assocparams;
1263 struct sctp_rtoinfo rto_info;
1264 BIO *tmpbio;
1265
1266 /*
1267 * To allow tests to fail fast (within a second or so), reduce the
1268 * retransmission timeouts and the number of retransmissions.
1269 */
1270 memset(&rto_info, 0, sizeof(struct sctp_rtoinfo));
1271 rto_info.srto_initial = 100;
1272 rto_info.srto_max = 200;
1273 rto_info.srto_min = 50;
1274 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO,
1275 (const void *)&rto_info, sizeof(struct sctp_rtoinfo));
1276 memset(&assocparams, 0, sizeof(struct sctp_assocparams));
1277 assocparams.sasoc_asocmaxrxt = 2;
1278 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_ASSOCINFO,
1279 (const void *)&assocparams,
1280 sizeof(struct sctp_assocparams));
1281
1282 /*
1283 * For SCTP we have to set various options on the socket prior to
1284 * connecting. This is done automatically by BIO_new_dgram_sctp().
1285 * We don't actually need the created BIO though so we free it again
1286 * immediately.
1287 */
1288 tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
1289
1290 if (tmpbio == NULL)
1291 return 0;
1292 BIO_free(tmpbio);
1293
1294 return 1;
1295 }
1296
create_sctp_socks(int * ssock,int * csock)1297 static int create_sctp_socks(int *ssock, int *csock)
1298 {
1299 BIO_ADDRINFO *res = NULL;
1300 const BIO_ADDRINFO *ai = NULL;
1301 int lsock = INVALID_SOCKET, asock = INVALID_SOCKET;
1302 int consock = INVALID_SOCKET;
1303 int ret = 0;
1304 int family = 0;
1305
1306 if (BIO_sock_init() != 1)
1307 return 0;
1308
1309 /*
1310 * Port is 4463. It could be anything. It will fail if it's already being
1311 * used for some other SCTP service. It seems unlikely though so we don't
1312 * worry about it here.
1313 */
1314 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM,
1315 IPPROTO_SCTP, &res))
1316 return 0;
1317
1318 for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) {
1319 family = BIO_ADDRINFO_family(ai);
1320 lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1321 if (lsock == INVALID_SOCKET) {
1322 /* Maybe the kernel doesn't support the socket family, even if
1323 * BIO_lookup() added it in the returned result...
1324 */
1325 continue;
1326 }
1327
1328 if (!set_sock_as_sctp(lsock)
1329 || !BIO_listen(lsock, BIO_ADDRINFO_address(ai),
1330 BIO_SOCK_REUSEADDR)) {
1331 BIO_closesocket(lsock);
1332 lsock = INVALID_SOCKET;
1333 continue;
1334 }
1335
1336 /* Success, don't try any more addresses */
1337 break;
1338 }
1339
1340 if (lsock == INVALID_SOCKET)
1341 goto err;
1342
1343 BIO_ADDRINFO_free(res);
1344 res = NULL;
1345
1346 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM,
1347 IPPROTO_SCTP, &res))
1348 goto err;
1349
1350 consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1351 if (consock == INVALID_SOCKET)
1352 goto err;
1353
1354 if (!set_sock_as_sctp(consock)
1355 || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0)
1356 || !BIO_socket_nbio(consock, 1))
1357 goto err;
1358
1359 asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK);
1360 if (asock == INVALID_SOCKET)
1361 goto err;
1362
1363 *csock = consock;
1364 *ssock = asock;
1365 consock = asock = INVALID_SOCKET;
1366 ret = 1;
1367
1368 err:
1369 BIO_ADDRINFO_free(res);
1370 if (consock != INVALID_SOCKET)
1371 BIO_closesocket(consock);
1372 if (lsock != INVALID_SOCKET)
1373 BIO_closesocket(lsock);
1374 if (asock != INVALID_SOCKET)
1375 BIO_closesocket(asock);
1376 return ret;
1377 }
1378 #endif
1379
1380 /*
1381 * Note that |extra| points to the correct client/server configuration
1382 * within |test_ctx|. When configuring the handshake, general mode settings
1383 * are taken from |test_ctx|, and client/server-specific settings should be
1384 * taken from |extra|.
1385 *
1386 * The configuration code should never reach into |test_ctx->extra| or
1387 * |test_ctx->resume_extra| directly.
1388 *
1389 * (We could refactor test mode settings into a substructure. This would result
1390 * in cleaner argument passing but would complicate the test configuration
1391 * parsing.)
1392 */
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)1393 static HANDSHAKE_RESULT *do_handshake_internal(
1394 SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
1395 const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra,
1396 SSL_SESSION *session_in, SSL_SESSION *serv_sess_in,
1397 SSL_SESSION **session_out, SSL_SESSION **serv_sess_out)
1398 {
1399 PEER server, client;
1400 BIO *client_to_server = NULL, *server_to_client = NULL;
1401 HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
1402 CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data;
1403 HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new();
1404 int client_turn = 1, client_turn_count = 0, client_wait_count = 0;
1405 connect_phase_t phase = HANDSHAKE;
1406 handshake_status_t status = HANDSHAKE_RETRY;
1407 const unsigned char* tick = NULL;
1408 size_t tick_len = 0;
1409 const unsigned char* sess_id = NULL;
1410 unsigned int sess_id_len = 0;
1411 SSL_SESSION* sess = NULL;
1412 const unsigned char *proto = NULL;
1413 /* API dictates unsigned int rather than size_t. */
1414 unsigned int proto_len = 0;
1415 EVP_PKEY *tmp_key;
1416 const STACK_OF(X509_NAME) *names;
1417 time_t start;
1418 const char* cipher;
1419
1420 if (ret == NULL)
1421 return NULL;
1422
1423 memset(&server_ctx_data, 0, sizeof(server_ctx_data));
1424 memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
1425 memset(&client_ctx_data, 0, sizeof(client_ctx_data));
1426 memset(&server, 0, sizeof(server));
1427 memset(&client, 0, sizeof(client));
1428 memset(&server_ex_data, 0, sizeof(server_ex_data));
1429 memset(&client_ex_data, 0, sizeof(client_ex_data));
1430
1431 if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx,
1432 test_ctx, extra, &server_ctx_data,
1433 &server2_ctx_data, &client_ctx_data)) {
1434 TEST_note("configure_handshake_ctx");
1435 HANDSHAKE_RESULT_free(ret);
1436 return NULL;
1437 }
1438
1439 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1440 if (test_ctx->enable_client_sctp_label_bug)
1441 SSL_CTX_set_mode(client_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1442 if (test_ctx->enable_server_sctp_label_bug)
1443 SSL_CTX_set_mode(server_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1444 #endif
1445
1446 /* Setup SSL and buffers; additional configuration happens below. */
1447 if (!create_peer(&server, server_ctx)) {
1448 TEST_note("creating server context");
1449 goto err;
1450 }
1451 if (!create_peer(&client, client_ctx)) {
1452 TEST_note("creating client context");
1453 goto err;
1454 }
1455
1456 server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size;
1457 client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size;
1458
1459 configure_handshake_ssl(server.ssl, client.ssl, extra);
1460 if (session_in != NULL) {
1461 SSL_SESSION_get_id(serv_sess_in, &sess_id_len);
1462 /* In case we're testing resumption without tickets. */
1463 if ((sess_id_len > 0
1464 && !TEST_true(SSL_CTX_add_session(server_ctx,
1465 serv_sess_in)))
1466 || !TEST_true(SSL_set_session(client.ssl, session_in)))
1467 goto err;
1468 sess_id_len = 0;
1469 }
1470
1471 ret->result = SSL_TEST_INTERNAL_ERROR;
1472
1473 if (test_ctx->use_sctp) {
1474 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1475 int csock, ssock;
1476
1477 if (create_sctp_socks(&ssock, &csock)) {
1478 client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE);
1479 server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE);
1480 }
1481 #endif
1482 } else {
1483 client_to_server = BIO_new(BIO_s_mem());
1484 server_to_client = BIO_new(BIO_s_mem());
1485 }
1486
1487 if (!TEST_ptr(client_to_server)
1488 || !TEST_ptr(server_to_client))
1489 goto err;
1490
1491 /* Non-blocking bio. */
1492 BIO_set_nbio(client_to_server, 1);
1493 BIO_set_nbio(server_to_client, 1);
1494
1495 SSL_set_connect_state(client.ssl);
1496 SSL_set_accept_state(server.ssl);
1497
1498 /* The bios are now owned by the SSL object. */
1499 if (test_ctx->use_sctp) {
1500 SSL_set_bio(client.ssl, client_to_server, client_to_server);
1501 SSL_set_bio(server.ssl, server_to_client, server_to_client);
1502 } else {
1503 SSL_set_bio(client.ssl, server_to_client, client_to_server);
1504 if (!TEST_int_gt(BIO_up_ref(server_to_client), 0)
1505 || !TEST_int_gt(BIO_up_ref(client_to_server), 0))
1506 goto err;
1507 SSL_set_bio(server.ssl, client_to_server, server_to_client);
1508 }
1509
1510 ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
1511 if (!TEST_int_ge(ex_data_idx, 0)
1512 || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1)
1513 || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1))
1514 goto err;
1515
1516 SSL_set_info_callback(server.ssl, &info_cb);
1517 SSL_set_info_callback(client.ssl, &info_cb);
1518
1519 client.status = PEER_RETRY;
1520 server.status = PEER_WAITING;
1521
1522 start = time(NULL);
1523
1524 /*
1525 * Half-duplex handshake loop.
1526 * Client and server speak to each other synchronously in the same process.
1527 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1528 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1529 * The handshake succeeds once both peers have succeeded. If one peer
1530 * errors out, we also let the other peer retry (and presumably fail).
1531 */
1532 for(;;) {
1533 if (client_turn) {
1534 do_connect_step(test_ctx, &client, phase);
1535 status = handshake_status(client.status, server.status,
1536 1 /* client went last */);
1537 if (server.status == PEER_WAITING)
1538 server.status = PEER_RETRY;
1539 } else {
1540 do_connect_step(test_ctx, &server, phase);
1541 status = handshake_status(server.status, client.status,
1542 0 /* server went last */);
1543 }
1544
1545 switch (status) {
1546 case HANDSHAKE_SUCCESS:
1547 client_turn_count = 0;
1548 phase = next_phase(test_ctx, phase);
1549 if (phase == CONNECTION_DONE) {
1550 ret->result = SSL_TEST_SUCCESS;
1551 goto err;
1552 } else {
1553 client.status = server.status = PEER_RETRY;
1554 /*
1555 * For now, client starts each phase. Since each phase is
1556 * started separately, we can later control this more
1557 * precisely, for example, to test client-initiated and
1558 * server-initiated shutdown.
1559 */
1560 client_turn = 1;
1561 break;
1562 }
1563 case CLIENT_ERROR:
1564 ret->result = SSL_TEST_CLIENT_FAIL;
1565 goto err;
1566 case SERVER_ERROR:
1567 ret->result = SSL_TEST_SERVER_FAIL;
1568 goto err;
1569 case INTERNAL_ERROR:
1570 ret->result = SSL_TEST_INTERNAL_ERROR;
1571 goto err;
1572 case HANDSHAKE_RETRY:
1573 if (test_ctx->use_sctp) {
1574 if (time(NULL) - start > 3) {
1575 /*
1576 * We've waited for too long. Give up.
1577 */
1578 ret->result = SSL_TEST_INTERNAL_ERROR;
1579 goto err;
1580 }
1581 /*
1582 * With "real" sockets we only swap to processing the peer
1583 * if they are expecting to retry. Otherwise we just retry the
1584 * same endpoint again.
1585 */
1586 if ((client_turn && server.status == PEER_RETRY)
1587 || (!client_turn && client.status == PEER_RETRY))
1588 client_turn ^= 1;
1589 } else {
1590 if (client_turn_count++ >= 2000) {
1591 /*
1592 * At this point, there's been so many PEER_RETRY in a row
1593 * that it's likely both sides are stuck waiting for a read.
1594 * It's time to give up.
1595 */
1596 ret->result = SSL_TEST_INTERNAL_ERROR;
1597 goto err;
1598 }
1599 if (client_turn && server.status == PEER_SUCCESS) {
1600 /*
1601 * The server may finish before the client because the
1602 * client spends some turns processing NewSessionTickets.
1603 */
1604 if (client_wait_count++ >= 2) {
1605 ret->result = SSL_TEST_INTERNAL_ERROR;
1606 goto err;
1607 }
1608 } else {
1609 /* Continue. */
1610 client_turn ^= 1;
1611 }
1612 }
1613 break;
1614 }
1615 }
1616 err:
1617 ret->server_alert_sent = server_ex_data.alert_sent;
1618 ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent;
1619 ret->server_alert_received = client_ex_data.alert_received;
1620 ret->client_alert_sent = client_ex_data.alert_sent;
1621 ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent;
1622 ret->client_alert_received = server_ex_data.alert_received;
1623 ret->server_protocol = SSL_version(server.ssl);
1624 ret->client_protocol = SSL_version(client.ssl);
1625 ret->servername = server_ex_data.servername;
1626 if ((sess = SSL_get0_session(client.ssl)) != NULL) {
1627 SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
1628 sess_id = SSL_SESSION_get_id(sess, &sess_id_len);
1629 }
1630 if (tick == NULL || tick_len == 0)
1631 ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
1632 else
1633 ret->session_ticket = SSL_TEST_SESSION_TICKET_YES;
1634 ret->compression = (SSL_get_current_compression(client.ssl) == NULL)
1635 ? SSL_TEST_COMPRESSION_NO
1636 : SSL_TEST_COMPRESSION_YES;
1637 if (sess_id == NULL || sess_id_len == 0)
1638 ret->session_id = SSL_TEST_SESSION_ID_NO;
1639 else
1640 ret->session_id = SSL_TEST_SESSION_ID_YES;
1641 ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
1642
1643 if (extra->client.verify_callback == SSL_TEST_VERIFY_RETRY_ONCE
1644 && n_retries != -1)
1645 ret->result = SSL_TEST_SERVER_FAIL;
1646
1647 #ifndef OPENSSL_NO_NEXTPROTONEG
1648 SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len);
1649 ret->client_npn_negotiated = dup_str(proto, proto_len);
1650
1651 SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len);
1652 ret->server_npn_negotiated = dup_str(proto, proto_len);
1653 #endif
1654
1655 SSL_get0_alpn_selected(client.ssl, &proto, &proto_len);
1656 ret->client_alpn_negotiated = dup_str(proto, proto_len);
1657
1658 SSL_get0_alpn_selected(server.ssl, &proto, &proto_len);
1659 ret->server_alpn_negotiated = dup_str(proto, proto_len);
1660
1661 if ((sess = SSL_get0_session(server.ssl)) != NULL) {
1662 SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len);
1663 ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len);
1664 }
1665
1666 ret->client_resumed = SSL_session_reused(client.ssl);
1667 ret->server_resumed = SSL_session_reused(server.ssl);
1668
1669 cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl));
1670 ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher));
1671
1672 if (session_out != NULL)
1673 *session_out = SSL_get1_session(client.ssl);
1674 if (serv_sess_out != NULL) {
1675 SSL_SESSION *tmp = SSL_get_session(server.ssl);
1676
1677 /*
1678 * We create a fresh copy that is not in the server session ctx linked
1679 * list.
1680 */
1681 if (tmp != NULL)
1682 *serv_sess_out = SSL_SESSION_dup(tmp);
1683 }
1684
1685 if (SSL_get_peer_tmp_key(client.ssl, &tmp_key)) {
1686 ret->tmp_key_type = pkey_type(tmp_key);
1687 EVP_PKEY_free(tmp_key);
1688 }
1689
1690 SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash);
1691 SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash);
1692
1693 SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type);
1694 SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type);
1695
1696 names = SSL_get0_peer_CA_list(client.ssl);
1697 if (names == NULL)
1698 ret->client_ca_names = NULL;
1699 else
1700 ret->client_ca_names = SSL_dup_CA_list(names);
1701
1702 names = SSL_get0_peer_CA_list(server.ssl);
1703 if (names == NULL)
1704 ret->server_ca_names = NULL;
1705 else
1706 ret->server_ca_names = SSL_dup_CA_list(names);
1707
1708 ret->server_cert_type = peer_pkey_type(client.ssl);
1709 ret->client_cert_type = peer_pkey_type(server.ssl);
1710
1711 ctx_data_free_data(&server_ctx_data);
1712 ctx_data_free_data(&server2_ctx_data);
1713 ctx_data_free_data(&client_ctx_data);
1714
1715 peer_free_data(&server);
1716 peer_free_data(&client);
1717 return ret;
1718 }
1719
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)1720 HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
1721 SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx,
1722 SSL_CTX *resume_client_ctx,
1723 const SSL_TEST_CTX *test_ctx)
1724 {
1725 HANDSHAKE_RESULT *result;
1726 SSL_SESSION *session = NULL, *serv_sess = NULL;
1727
1728 result = do_handshake_internal(server_ctx, server2_ctx, client_ctx,
1729 test_ctx, &test_ctx->extra,
1730 NULL, NULL, &session, &serv_sess);
1731 if (result == NULL
1732 || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME
1733 || result->result == SSL_TEST_INTERNAL_ERROR)
1734 goto end;
1735
1736 if (result->result != SSL_TEST_SUCCESS) {
1737 result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED;
1738 goto end;
1739 }
1740
1741 HANDSHAKE_RESULT_free(result);
1742 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1743 result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx,
1744 test_ctx, &test_ctx->resume_extra,
1745 session, serv_sess, NULL, NULL);
1746 end:
1747 SSL_SESSION_free(session);
1748 SSL_SESSION_free(serv_sess);
1749 return result;
1750 }
1751