1 /*
2 * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <string.h>
11
12 #include <openssl/bio.h>
13 #include <openssl/x509_vfy.h>
14 #include <openssl/ssl.h>
15 #ifndef OPENSSL_NO_SRP
16 #include <openssl/srp.h>
17 #endif
18
19 #include "../ssl/ssl_local.h"
20 #include "internal/sockets.h"
21 #include "internal/nelem.h"
22 #include "handshake_helper.h"
23 #include "testutil.h"
24
25 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
26 #include <netinet/sctp.h>
27 #endif
28
HANDSHAKE_RESULT_new(void)29 HANDSHAKE_RESULT *HANDSHAKE_RESULT_new(void)
30 {
31 HANDSHAKE_RESULT *ret;
32
33 TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret)));
34 return ret;
35 }
36
HANDSHAKE_RESULT_free(HANDSHAKE_RESULT * result)37 void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result)
38 {
39 if (result == NULL)
40 return;
41 OPENSSL_free(result->client_npn_negotiated);
42 OPENSSL_free(result->server_npn_negotiated);
43 OPENSSL_free(result->client_alpn_negotiated);
44 OPENSSL_free(result->server_alpn_negotiated);
45 OPENSSL_free(result->result_session_ticket_app_data);
46 sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free);
47 sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free);
48 OPENSSL_free(result->cipher);
49 OPENSSL_free(result);
50 }
51
52 /*
53 * Since there appears to be no way to extract the sent/received alert
54 * from the SSL object directly, we use the info callback and stash
55 * the result in ex_data.
56 */
57 typedef struct handshake_ex_data_st {
58 int alert_sent;
59 int num_fatal_alerts_sent;
60 int alert_received;
61 int session_ticket_do_not_call;
62 ssl_servername_t servername;
63 } HANDSHAKE_EX_DATA;
64
65 typedef struct ctx_data_st {
66 unsigned char *npn_protocols;
67 size_t npn_protocols_len;
68 unsigned char *alpn_protocols;
69 size_t alpn_protocols_len;
70 char *srp_user;
71 char *srp_password;
72 char *session_ticket_app_data;
73 } CTX_DATA;
74
75 /* |ctx_data| itself is stack-allocated. */
ctx_data_free_data(CTX_DATA * ctx_data)76 static void ctx_data_free_data(CTX_DATA *ctx_data)
77 {
78 OPENSSL_free(ctx_data->npn_protocols);
79 ctx_data->npn_protocols = NULL;
80 OPENSSL_free(ctx_data->alpn_protocols);
81 ctx_data->alpn_protocols = NULL;
82 OPENSSL_free(ctx_data->srp_user);
83 ctx_data->srp_user = NULL;
84 OPENSSL_free(ctx_data->srp_password);
85 ctx_data->srp_password = NULL;
86 OPENSSL_free(ctx_data->session_ticket_app_data);
87 ctx_data->session_ticket_app_data = NULL;
88 }
89
90 static int ex_data_idx;
91
info_cb(const SSL * s,int where,int ret)92 static void info_cb(const SSL *s, int where, int ret)
93 {
94 if (where & SSL_CB_ALERT) {
95 HANDSHAKE_EX_DATA *ex_data =
96 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
97 if (where & SSL_CB_WRITE) {
98 ex_data->alert_sent = ret;
99 if (strcmp(SSL_alert_type_string(ret), "F") == 0
100 || strcmp(SSL_alert_desc_string(ret), "CN") == 0)
101 ex_data->num_fatal_alerts_sent++;
102 } else {
103 ex_data->alert_received = ret;
104 }
105 }
106 }
107
108 /* Select the appropriate server CTX.
109 * Returns SSL_TLSEXT_ERR_OK if a match was found.
110 * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch.
111 * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch.
112 * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK.
113 */
select_server_ctx(SSL * s,void * arg,int ignore)114 static int select_server_ctx(SSL *s, void *arg, int ignore)
115 {
116 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
117 HANDSHAKE_EX_DATA *ex_data =
118 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
119
120 if (servername == NULL) {
121 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
122 return SSL_TLSEXT_ERR_NOACK;
123 }
124
125 if (strcmp(servername, "server2") == 0) {
126 SSL_CTX *new_ctx = (SSL_CTX*)arg;
127 SSL_set_SSL_CTX(s, new_ctx);
128 /*
129 * Copy over all the SSL_CTX options - reasonable behavior
130 * allows testing of cases where the options between two
131 * contexts differ/conflict
132 */
133 SSL_clear_options(s, 0xFFFFFFFFL);
134 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
135
136 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
137 return SSL_TLSEXT_ERR_OK;
138 } else if (strcmp(servername, "server1") == 0) {
139 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
140 return SSL_TLSEXT_ERR_OK;
141 } else if (ignore) {
142 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
143 return SSL_TLSEXT_ERR_NOACK;
144 } else {
145 /* Don't set an explicit alert, to test library defaults. */
146 return SSL_TLSEXT_ERR_ALERT_FATAL;
147 }
148 }
149
client_hello_select_server_ctx(SSL * s,void * arg,int ignore)150 static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore)
151 {
152 const char *servername;
153 const unsigned char *p;
154 size_t len, remaining;
155 HANDSHAKE_EX_DATA *ex_data =
156 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
157
158 /*
159 * The server_name extension was given too much extensibility when it
160 * was written, so parsing the normal case is a bit complex.
161 */
162 if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p,
163 &remaining) ||
164 remaining <= 2)
165 return 0;
166 /* Extract the length of the supplied list of names. */
167 len = (*(p++) << 8);
168 len += *(p++);
169 if (len + 2 != remaining)
170 return 0;
171 remaining = len;
172 /*
173 * The list in practice only has a single element, so we only consider
174 * the first one.
175 */
176 if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
177 return 0;
178 remaining--;
179 /* Now we can finally pull out the byte array with the actual hostname. */
180 if (remaining <= 2)
181 return 0;
182 len = (*(p++) << 8);
183 len += *(p++);
184 if (len + 2 > remaining)
185 return 0;
186 remaining = len;
187 servername = (const char *)p;
188
189 if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
190 SSL_CTX *new_ctx = arg;
191 SSL_set_SSL_CTX(s, new_ctx);
192 /*
193 * Copy over all the SSL_CTX options - reasonable behavior
194 * allows testing of cases where the options between two
195 * contexts differ/conflict
196 */
197 SSL_clear_options(s, 0xFFFFFFFFL);
198 SSL_set_options(s, SSL_CTX_get_options(new_ctx));
199
200 ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
201 return 1;
202 } else if (len == strlen("server1") &&
203 strncmp(servername, "server1", len) == 0) {
204 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
205 return 1;
206 } else if (ignore) {
207 ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
208 return 1;
209 }
210 return 0;
211 }
212 /*
213 * (RFC 6066):
214 * If the server understood the ClientHello extension but
215 * does not recognize the server name, the server SHOULD take one of two
216 * actions: either abort the handshake by sending a fatal-level
217 * unrecognized_name(112) alert or continue the handshake.
218 *
219 * This behaviour is up to the application to configure; we test both
220 * configurations to ensure the state machine propagates the result
221 * correctly.
222 */
servername_ignore_cb(SSL * s,int * ad,void * arg)223 static int servername_ignore_cb(SSL *s, int *ad, void *arg)
224 {
225 return select_server_ctx(s, arg, 1);
226 }
227
servername_reject_cb(SSL * s,int * ad,void * arg)228 static int servername_reject_cb(SSL *s, int *ad, void *arg)
229 {
230 return select_server_ctx(s, arg, 0);
231 }
232
client_hello_ignore_cb(SSL * s,int * al,void * arg)233 static int client_hello_ignore_cb(SSL *s, int *al, void *arg)
234 {
235 if (!client_hello_select_server_ctx(s, arg, 1)) {
236 *al = SSL_AD_UNRECOGNIZED_NAME;
237 return SSL_CLIENT_HELLO_ERROR;
238 }
239 return SSL_CLIENT_HELLO_SUCCESS;
240 }
241
client_hello_reject_cb(SSL * s,int * al,void * arg)242 static int client_hello_reject_cb(SSL *s, int *al, void *arg)
243 {
244 if (!client_hello_select_server_ctx(s, arg, 0)) {
245 *al = SSL_AD_UNRECOGNIZED_NAME;
246 return SSL_CLIENT_HELLO_ERROR;
247 }
248 return SSL_CLIENT_HELLO_SUCCESS;
249 }
250
client_hello_nov12_cb(SSL * s,int * al,void * arg)251 static int client_hello_nov12_cb(SSL *s, int *al, void *arg)
252 {
253 int ret;
254 unsigned int v;
255 const unsigned char *p;
256
257 v = SSL_client_hello_get0_legacy_version(s);
258 if (v > TLS1_2_VERSION || v < SSL3_VERSION) {
259 *al = SSL_AD_PROTOCOL_VERSION;
260 return SSL_CLIENT_HELLO_ERROR;
261 }
262 (void)SSL_client_hello_get0_session_id(s, &p);
263 if (p == NULL ||
264 SSL_client_hello_get0_random(s, &p) == 0 ||
265 SSL_client_hello_get0_ciphers(s, &p) == 0 ||
266 SSL_client_hello_get0_compression_methods(s, &p) == 0) {
267 *al = SSL_AD_INTERNAL_ERROR;
268 return SSL_CLIENT_HELLO_ERROR;
269 }
270 ret = client_hello_select_server_ctx(s, arg, 0);
271 SSL_set_max_proto_version(s, TLS1_1_VERSION);
272 if (!ret) {
273 *al = SSL_AD_UNRECOGNIZED_NAME;
274 return SSL_CLIENT_HELLO_ERROR;
275 }
276 return SSL_CLIENT_HELLO_SUCCESS;
277 }
278
279 static unsigned char dummy_ocsp_resp_good_val = 0xff;
280 static unsigned char dummy_ocsp_resp_bad_val = 0xfe;
281
server_ocsp_cb(SSL * s,void * arg)282 static int server_ocsp_cb(SSL *s, void *arg)
283 {
284 unsigned char *resp;
285
286 resp = OPENSSL_malloc(1);
287 if (resp == NULL)
288 return SSL_TLSEXT_ERR_ALERT_FATAL;
289 /*
290 * For the purposes of testing we just send back a dummy OCSP response
291 */
292 *resp = *(unsigned char *)arg;
293 if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1))
294 return SSL_TLSEXT_ERR_ALERT_FATAL;
295
296 return SSL_TLSEXT_ERR_OK;
297 }
298
client_ocsp_cb(SSL * s,void * arg)299 static int client_ocsp_cb(SSL *s, void *arg)
300 {
301 const unsigned char *resp;
302 int len;
303
304 len = SSL_get_tlsext_status_ocsp_resp(s, &resp);
305 if (len != 1 || *resp != dummy_ocsp_resp_good_val)
306 return 0;
307
308 return 1;
309 }
310
verify_reject_cb(X509_STORE_CTX * ctx,void * arg)311 static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) {
312 X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION);
313 return 0;
314 }
315
verify_accept_cb(X509_STORE_CTX * ctx,void * arg)316 static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) {
317 return 1;
318 }
319
broken_session_ticket_cb(SSL * s,unsigned char * key_name,unsigned char * iv,EVP_CIPHER_CTX * ctx,HMAC_CTX * hctx,int enc)320 static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv,
321 EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc)
322 {
323 return 0;
324 }
325
do_not_call_session_ticket_cb(SSL * s,unsigned char * key_name,unsigned char * iv,EVP_CIPHER_CTX * ctx,HMAC_CTX * hctx,int enc)326 static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name,
327 unsigned char *iv,
328 EVP_CIPHER_CTX *ctx,
329 HMAC_CTX *hctx, int enc)
330 {
331 HANDSHAKE_EX_DATA *ex_data =
332 (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
333 ex_data->session_ticket_do_not_call = 1;
334 return 0;
335 }
336
337 /* Parse the comma-separated list into TLS format. */
parse_protos(const char * protos,unsigned char ** out,size_t * outlen)338 static int parse_protos(const char *protos, unsigned char **out, size_t *outlen)
339 {
340 size_t len, i, prefix;
341
342 len = strlen(protos);
343
344 /* Should never have reuse. */
345 if (!TEST_ptr_null(*out)
346 /* Test values are small, so we omit length limit checks. */
347 || !TEST_ptr(*out = OPENSSL_malloc(len + 1)))
348 return 0;
349 *outlen = len + 1;
350
351 /*
352 * foo => '3', 'f', 'o', 'o'
353 * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r'
354 */
355 memcpy(*out + 1, protos, len);
356
357 prefix = 0;
358 i = prefix + 1;
359 while (i <= len) {
360 if ((*out)[i] == ',') {
361 if (!TEST_int_gt(i - 1, prefix))
362 goto err;
363 (*out)[prefix] = (unsigned char)(i - 1 - prefix);
364 prefix = i;
365 }
366 i++;
367 }
368 if (!TEST_int_gt(len, prefix))
369 goto err;
370 (*out)[prefix] = (unsigned char)(len - prefix);
371 return 1;
372
373 err:
374 OPENSSL_free(*out);
375 *out = NULL;
376 return 0;
377 }
378
379 #ifndef OPENSSL_NO_NEXTPROTONEG
380 /*
381 * The client SHOULD select the first protocol advertised by the server that it
382 * also supports. In the event that the client doesn't support any of server's
383 * protocols, or the server doesn't advertise any, it SHOULD select the first
384 * protocol that it supports.
385 */
client_npn_cb(SSL * s,unsigned char ** out,unsigned char * outlen,const unsigned char * in,unsigned int inlen,void * arg)386 static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen,
387 const unsigned char *in, unsigned int inlen,
388 void *arg)
389 {
390 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
391 int ret;
392
393 ret = SSL_select_next_proto(out, outlen, in, inlen,
394 ctx_data->npn_protocols,
395 ctx_data->npn_protocols_len);
396 /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */
397 return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP)
398 ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL;
399 }
400
server_npn_cb(SSL * s,const unsigned char ** data,unsigned int * len,void * arg)401 static int server_npn_cb(SSL *s, const unsigned char **data,
402 unsigned int *len, void *arg)
403 {
404 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
405 *data = ctx_data->npn_protocols;
406 *len = ctx_data->npn_protocols_len;
407 return SSL_TLSEXT_ERR_OK;
408 }
409 #endif
410
411 /*
412 * The server SHOULD select the most highly preferred protocol that it supports
413 * and that is also advertised by the client. In the event that the server
414 * supports no protocols that the client advertises, then the server SHALL
415 * respond with a fatal "no_application_protocol" alert.
416 */
server_alpn_cb(SSL * s,const unsigned char ** out,unsigned char * outlen,const unsigned char * in,unsigned int inlen,void * arg)417 static int server_alpn_cb(SSL *s, const unsigned char **out,
418 unsigned char *outlen, const unsigned char *in,
419 unsigned int inlen, void *arg)
420 {
421 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
422 int ret;
423
424 /* SSL_select_next_proto isn't const-correct... */
425 unsigned char *tmp_out;
426
427 /*
428 * The result points either to |in| or to |ctx_data->alpn_protocols|.
429 * The callback is allowed to point to |in| or to a long-lived buffer,
430 * so we can return directly without storing a copy.
431 */
432 ret = SSL_select_next_proto(&tmp_out, outlen,
433 ctx_data->alpn_protocols,
434 ctx_data->alpn_protocols_len, in, inlen);
435
436 *out = tmp_out;
437 /* Unlike NPN, we don't tolerate a mismatch. */
438 return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK
439 : SSL_TLSEXT_ERR_ALERT_FATAL;
440 }
441
442 #ifndef OPENSSL_NO_SRP
client_srp_cb(SSL * s,void * arg)443 static char *client_srp_cb(SSL *s, void *arg)
444 {
445 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
446 return OPENSSL_strdup(ctx_data->srp_password);
447 }
448
server_srp_cb(SSL * s,int * ad,void * arg)449 static int server_srp_cb(SSL *s, int *ad, void *arg)
450 {
451 CTX_DATA *ctx_data = (CTX_DATA*)(arg);
452 if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0)
453 return SSL3_AL_FATAL;
454 if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user,
455 ctx_data->srp_password,
456 "2048" /* known group */) < 0) {
457 *ad = SSL_AD_INTERNAL_ERROR;
458 return SSL3_AL_FATAL;
459 }
460 return SSL_ERROR_NONE;
461 }
462 #endif /* !OPENSSL_NO_SRP */
463
generate_session_ticket_cb(SSL * s,void * arg)464 static int generate_session_ticket_cb(SSL *s, void *arg)
465 {
466 CTX_DATA *server_ctx_data = arg;
467 SSL_SESSION *ss = SSL_get_session(s);
468 char *app_data = server_ctx_data->session_ticket_app_data;
469
470 if (ss == NULL || app_data == NULL)
471 return 0;
472
473 return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data));
474 }
475
decrypt_session_ticket_cb(SSL * s,SSL_SESSION * ss,const unsigned char * keyname,size_t keyname_len,SSL_TICKET_STATUS status,void * arg)476 static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss,
477 const unsigned char *keyname,
478 size_t keyname_len,
479 SSL_TICKET_STATUS status,
480 void *arg)
481 {
482 switch (status) {
483 case SSL_TICKET_EMPTY:
484 case SSL_TICKET_NO_DECRYPT:
485 return SSL_TICKET_RETURN_IGNORE_RENEW;
486 case SSL_TICKET_SUCCESS:
487 return SSL_TICKET_RETURN_USE;
488 case SSL_TICKET_SUCCESS_RENEW:
489 return SSL_TICKET_RETURN_USE_RENEW;
490 default:
491 break;
492 }
493 return SSL_TICKET_RETURN_ABORT;
494 }
495
496 /*
497 * Configure callbacks and other properties that can't be set directly
498 * in the server/client CONF.
499 */
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)500 static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
501 SSL_CTX *client_ctx,
502 const SSL_TEST_CTX *test,
503 const SSL_TEST_EXTRA_CONF *extra,
504 CTX_DATA *server_ctx_data,
505 CTX_DATA *server2_ctx_data,
506 CTX_DATA *client_ctx_data)
507 {
508 unsigned char *ticket_keys;
509 size_t ticket_key_len;
510
511 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx,
512 test->max_fragment_size), 1))
513 goto err;
514 if (server2_ctx != NULL) {
515 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx,
516 test->max_fragment_size),
517 1))
518 goto err;
519 }
520 if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx,
521 test->max_fragment_size), 1))
522 goto err;
523
524 switch (extra->client.verify_callback) {
525 case SSL_TEST_VERIFY_ACCEPT_ALL:
526 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL);
527 break;
528 case SSL_TEST_VERIFY_REJECT_ALL:
529 SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL);
530 break;
531 case SSL_TEST_VERIFY_NONE:
532 break;
533 }
534
535 switch (extra->client.max_fragment_len_mode) {
536 case TLSEXT_max_fragment_length_512:
537 case TLSEXT_max_fragment_length_1024:
538 case TLSEXT_max_fragment_length_2048:
539 case TLSEXT_max_fragment_length_4096:
540 case TLSEXT_max_fragment_length_DISABLED:
541 SSL_CTX_set_tlsext_max_fragment_length(
542 client_ctx, extra->client.max_fragment_len_mode);
543 break;
544 }
545
546 /*
547 * Link the two contexts for SNI purposes.
548 * Also do ClientHello callbacks here, as setting both ClientHello and SNI
549 * is bad.
550 */
551 switch (extra->server.servername_callback) {
552 case SSL_TEST_SERVERNAME_IGNORE_MISMATCH:
553 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb);
554 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
555 break;
556 case SSL_TEST_SERVERNAME_REJECT_MISMATCH:
557 SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb);
558 SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx);
559 break;
560 case SSL_TEST_SERVERNAME_CB_NONE:
561 break;
562 case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH:
563 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx);
564 break;
565 case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH:
566 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx);
567 break;
568 case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12:
569 SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx);
570 }
571
572 if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) {
573 SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp);
574 SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb);
575 SSL_CTX_set_tlsext_status_arg(client_ctx, NULL);
576 SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb);
577 SSL_CTX_set_tlsext_status_arg(server_ctx,
578 ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE)
579 ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val));
580 }
581
582 /*
583 * The initial_ctx/session_ctx always handles the encrypt/decrypt of the
584 * session ticket. This ticket_key callback is assigned to the second
585 * session (assigned via SNI), and should never be invoked
586 */
587 if (server2_ctx != NULL)
588 SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx,
589 do_not_call_session_ticket_cb);
590
591 if (extra->server.broken_session_ticket) {
592 SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb);
593 }
594 #ifndef OPENSSL_NO_NEXTPROTONEG
595 if (extra->server.npn_protocols != NULL) {
596 if (!TEST_true(parse_protos(extra->server.npn_protocols,
597 &server_ctx_data->npn_protocols,
598 &server_ctx_data->npn_protocols_len)))
599 goto err;
600 SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb,
601 server_ctx_data);
602 }
603 if (extra->server2.npn_protocols != NULL) {
604 if (!TEST_true(parse_protos(extra->server2.npn_protocols,
605 &server2_ctx_data->npn_protocols,
606 &server2_ctx_data->npn_protocols_len))
607 || !TEST_ptr(server2_ctx))
608 goto err;
609 SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb,
610 server2_ctx_data);
611 }
612 if (extra->client.npn_protocols != NULL) {
613 if (!TEST_true(parse_protos(extra->client.npn_protocols,
614 &client_ctx_data->npn_protocols,
615 &client_ctx_data->npn_protocols_len)))
616 goto err;
617 SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb,
618 client_ctx_data);
619 }
620 #endif
621 if (extra->server.alpn_protocols != NULL) {
622 if (!TEST_true(parse_protos(extra->server.alpn_protocols,
623 &server_ctx_data->alpn_protocols,
624 &server_ctx_data->alpn_protocols_len)))
625 goto err;
626 SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data);
627 }
628 if (extra->server2.alpn_protocols != NULL) {
629 if (!TEST_ptr(server2_ctx)
630 || !TEST_true(parse_protos(extra->server2.alpn_protocols,
631 &server2_ctx_data->alpn_protocols,
632 &server2_ctx_data->alpn_protocols_len
633 )))
634 goto err;
635 SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb,
636 server2_ctx_data);
637 }
638 if (extra->client.alpn_protocols != NULL) {
639 unsigned char *alpn_protos = NULL;
640 size_t alpn_protos_len = 0;
641
642 if (!TEST_true(parse_protos(extra->client.alpn_protocols,
643 &alpn_protos, &alpn_protos_len))
644 /* Reversed return value convention... */
645 || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos,
646 alpn_protos_len), 0))
647 goto err;
648 OPENSSL_free(alpn_protos);
649 }
650
651 if (extra->server.session_ticket_app_data != NULL) {
652 server_ctx_data->session_ticket_app_data =
653 OPENSSL_strdup(extra->server.session_ticket_app_data);
654 SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb,
655 decrypt_session_ticket_cb, server_ctx_data);
656 }
657 if (extra->server2.session_ticket_app_data != NULL) {
658 if (!TEST_ptr(server2_ctx))
659 goto err;
660 server2_ctx_data->session_ticket_app_data =
661 OPENSSL_strdup(extra->server2.session_ticket_app_data);
662 SSL_CTX_set_session_ticket_cb(server2_ctx, NULL,
663 decrypt_session_ticket_cb, server2_ctx_data);
664 }
665
666 /*
667 * Use fixed session ticket keys so that we can decrypt a ticket created with
668 * one CTX in another CTX. Don't address server2 for the moment.
669 */
670 ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0);
671 if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len))
672 || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx,
673 ticket_keys,
674 ticket_key_len), 1)) {
675 OPENSSL_free(ticket_keys);
676 goto err;
677 }
678 OPENSSL_free(ticket_keys);
679
680 /* The default log list includes EC keys, so CT can't work without EC. */
681 #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC)
682 if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx)))
683 goto err;
684 switch (extra->client.ct_validation) {
685 case SSL_TEST_CT_VALIDATION_PERMISSIVE:
686 if (!TEST_true(SSL_CTX_enable_ct(client_ctx,
687 SSL_CT_VALIDATION_PERMISSIVE)))
688 goto err;
689 break;
690 case SSL_TEST_CT_VALIDATION_STRICT:
691 if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT)))
692 goto err;
693 break;
694 case SSL_TEST_CT_VALIDATION_NONE:
695 break;
696 }
697 #endif
698 #ifndef OPENSSL_NO_SRP
699 if (extra->server.srp_user != NULL) {
700 SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb);
701 server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user);
702 server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password);
703 SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data);
704 }
705 if (extra->server2.srp_user != NULL) {
706 if (!TEST_ptr(server2_ctx))
707 goto err;
708 SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb);
709 server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user);
710 server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password);
711 SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data);
712 }
713 if (extra->client.srp_user != NULL) {
714 if (!TEST_true(SSL_CTX_set_srp_username(client_ctx,
715 extra->client.srp_user)))
716 goto err;
717 SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb);
718 client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password);
719 SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data);
720 }
721 #endif /* !OPENSSL_NO_SRP */
722 return 1;
723 err:
724 return 0;
725 }
726
727 /* Configure per-SSL callbacks and other properties. */
configure_handshake_ssl(SSL * server,SSL * client,const SSL_TEST_EXTRA_CONF * extra)728 static void configure_handshake_ssl(SSL *server, SSL *client,
729 const SSL_TEST_EXTRA_CONF *extra)
730 {
731 if (extra->client.servername != SSL_TEST_SERVERNAME_NONE)
732 SSL_set_tlsext_host_name(client,
733 ssl_servername_name(extra->client.servername));
734 if (extra->client.enable_pha)
735 SSL_set_post_handshake_auth(client, 1);
736 }
737
738 /* The status for each connection phase. */
739 typedef enum {
740 PEER_SUCCESS,
741 PEER_RETRY,
742 PEER_ERROR,
743 PEER_WAITING,
744 PEER_TEST_FAILURE
745 } peer_status_t;
746
747 /* An SSL object and associated read-write buffers. */
748 typedef struct peer_st {
749 SSL *ssl;
750 /* Buffer lengths are int to match the SSL read/write API. */
751 unsigned char *write_buf;
752 int write_buf_len;
753 unsigned char *read_buf;
754 int read_buf_len;
755 int bytes_to_write;
756 int bytes_to_read;
757 peer_status_t status;
758 } PEER;
759
create_peer(PEER * peer,SSL_CTX * ctx)760 static int create_peer(PEER *peer, SSL_CTX *ctx)
761 {
762 static const int peer_buffer_size = 64 * 1024;
763 SSL *ssl = NULL;
764 unsigned char *read_buf = NULL, *write_buf = NULL;
765
766 if (!TEST_ptr(ssl = SSL_new(ctx))
767 || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size))
768 || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size)))
769 goto err;
770
771 peer->ssl = ssl;
772 peer->write_buf = write_buf;
773 peer->read_buf = read_buf;
774 peer->write_buf_len = peer->read_buf_len = peer_buffer_size;
775 return 1;
776 err:
777 SSL_free(ssl);
778 OPENSSL_free(write_buf);
779 OPENSSL_free(read_buf);
780 return 0;
781 }
782
peer_free_data(PEER * peer)783 static void peer_free_data(PEER *peer)
784 {
785 SSL_free(peer->ssl);
786 OPENSSL_free(peer->write_buf);
787 OPENSSL_free(peer->read_buf);
788 }
789
790 /*
791 * Note that we could do the handshake transparently under an SSL_write,
792 * but separating the steps is more helpful for debugging test failures.
793 */
do_handshake_step(PEER * peer)794 static void do_handshake_step(PEER *peer)
795 {
796 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
797 peer->status = PEER_TEST_FAILURE;
798 } else {
799 int ret = SSL_do_handshake(peer->ssl);
800
801 if (ret == 1) {
802 peer->status = PEER_SUCCESS;
803 } else if (ret == 0) {
804 peer->status = PEER_ERROR;
805 } else {
806 int error = SSL_get_error(peer->ssl, ret);
807 /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */
808 if (error != SSL_ERROR_WANT_READ)
809 peer->status = PEER_ERROR;
810 }
811 }
812 }
813
814 /*-
815 * Send/receive some application data. The read-write sequence is
816 * Peer A: (R) W - first read will yield no data
817 * Peer B: R W
818 * ...
819 * Peer A: R W
820 * Peer B: R W
821 * Peer A: R
822 */
do_app_data_step(PEER * peer)823 static void do_app_data_step(PEER *peer)
824 {
825 int ret = 1, write_bytes;
826
827 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
828 peer->status = PEER_TEST_FAILURE;
829 return;
830 }
831
832 /* We read everything available... */
833 while (ret > 0 && peer->bytes_to_read) {
834 ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len);
835 if (ret > 0) {
836 if (!TEST_int_le(ret, peer->bytes_to_read)) {
837 peer->status = PEER_TEST_FAILURE;
838 return;
839 }
840 peer->bytes_to_read -= ret;
841 } else if (ret == 0) {
842 peer->status = PEER_ERROR;
843 return;
844 } else {
845 int error = SSL_get_error(peer->ssl, ret);
846 if (error != SSL_ERROR_WANT_READ) {
847 peer->status = PEER_ERROR;
848 return;
849 } /* Else continue with write. */
850 }
851 }
852
853 /* ... but we only write one write-buffer-full of data. */
854 write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write :
855 peer->write_buf_len;
856 if (write_bytes) {
857 ret = SSL_write(peer->ssl, peer->write_buf, write_bytes);
858 if (ret > 0) {
859 /* SSL_write will only succeed with a complete write. */
860 if (!TEST_int_eq(ret, write_bytes)) {
861 peer->status = PEER_TEST_FAILURE;
862 return;
863 }
864 peer->bytes_to_write -= ret;
865 } else {
866 /*
867 * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here
868 * but this doesn't yet occur with current app data sizes.
869 */
870 peer->status = PEER_ERROR;
871 return;
872 }
873 }
874
875 /*
876 * We could simply finish when there was nothing to read, and we have
877 * nothing left to write. But keeping track of the expected number of bytes
878 * to read gives us somewhat better guarantees that all data sent is in fact
879 * received.
880 */
881 if (!peer->bytes_to_write && !peer->bytes_to_read) {
882 peer->status = PEER_SUCCESS;
883 }
884 }
885
do_reneg_setup_step(const SSL_TEST_CTX * test_ctx,PEER * peer)886 static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
887 {
888 int ret;
889 char buf;
890
891 if (peer->status == PEER_SUCCESS) {
892 /*
893 * We are a client that succeeded this step previously, but the server
894 * wanted to retry. Probably there is a no_renegotiation warning alert
895 * waiting for us. Attempt to continue the handshake.
896 */
897 peer->status = PEER_RETRY;
898 do_handshake_step(peer);
899 return;
900 }
901
902 if (!TEST_int_eq(peer->status, PEER_RETRY)
903 || !TEST_true(test_ctx->handshake_mode
904 == SSL_TEST_HANDSHAKE_RENEG_SERVER
905 || test_ctx->handshake_mode
906 == SSL_TEST_HANDSHAKE_RENEG_CLIENT
907 || test_ctx->handshake_mode
908 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
909 || test_ctx->handshake_mode
910 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT
911 || test_ctx->handshake_mode
912 == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) {
913 peer->status = PEER_TEST_FAILURE;
914 return;
915 }
916
917 /* Reset the count of the amount of app data we need to read/write */
918 peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size;
919
920 /* Check if we are the peer that is going to initiate */
921 if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
922 && SSL_is_server(peer->ssl))
923 || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
924 && !SSL_is_server(peer->ssl))) {
925 /*
926 * If we already asked for a renegotiation then fall through to the
927 * SSL_read() below.
928 */
929 if (!SSL_renegotiate_pending(peer->ssl)) {
930 /*
931 * If we are the client we will always attempt to resume the
932 * session. The server may or may not resume dependent on the
933 * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
934 */
935 if (SSL_is_server(peer->ssl)) {
936 ret = SSL_renegotiate(peer->ssl);
937 } else {
938 if (test_ctx->extra.client.reneg_ciphers != NULL) {
939 if (!SSL_set_cipher_list(peer->ssl,
940 test_ctx->extra.client.reneg_ciphers)) {
941 peer->status = PEER_ERROR;
942 return;
943 }
944 ret = SSL_renegotiate(peer->ssl);
945 } else {
946 ret = SSL_renegotiate_abbreviated(peer->ssl);
947 }
948 }
949 if (!ret) {
950 peer->status = PEER_ERROR;
951 return;
952 }
953 do_handshake_step(peer);
954 /*
955 * If status is PEER_RETRY it means we're waiting on the peer to
956 * continue the handshake. As far as setting up the renegotiation is
957 * concerned that is a success. The next step will continue the
958 * handshake to its conclusion.
959 *
960 * If status is PEER_SUCCESS then we are the server and we have
961 * successfully sent the HelloRequest. We need to continue to wait
962 * until the handshake arrives from the client.
963 */
964 if (peer->status == PEER_RETRY)
965 peer->status = PEER_SUCCESS;
966 else if (peer->status == PEER_SUCCESS)
967 peer->status = PEER_RETRY;
968 return;
969 }
970 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER
971 || test_ctx->handshake_mode
972 == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) {
973 if (SSL_is_server(peer->ssl)
974 != (test_ctx->handshake_mode
975 == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) {
976 peer->status = PEER_SUCCESS;
977 return;
978 }
979
980 ret = SSL_key_update(peer->ssl, test_ctx->key_update_type);
981 if (!ret) {
982 peer->status = PEER_ERROR;
983 return;
984 }
985 do_handshake_step(peer);
986 /*
987 * This is a one step handshake. We shouldn't get anything other than
988 * PEER_SUCCESS
989 */
990 if (peer->status != PEER_SUCCESS)
991 peer->status = PEER_ERROR;
992 return;
993 } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) {
994 if (SSL_is_server(peer->ssl)) {
995 /* Make the server believe it's received the extension */
996 if (test_ctx->extra.server.force_pha)
997 peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
998 ret = SSL_verify_client_post_handshake(peer->ssl);
999 if (!ret) {
1000 peer->status = PEER_ERROR;
1001 return;
1002 }
1003 }
1004 do_handshake_step(peer);
1005 /*
1006 * This is a one step handshake. We shouldn't get anything other than
1007 * PEER_SUCCESS
1008 */
1009 if (peer->status != PEER_SUCCESS)
1010 peer->status = PEER_ERROR;
1011 return;
1012 }
1013
1014 /*
1015 * The SSL object is still expecting app data, even though it's going to
1016 * get a handshake message. We try to read, and it should fail - after which
1017 * we should be in a handshake
1018 */
1019 ret = SSL_read(peer->ssl, &buf, sizeof(buf));
1020 if (ret >= 0) {
1021 /*
1022 * We're not actually expecting data - we're expecting a reneg to
1023 * start
1024 */
1025 peer->status = PEER_ERROR;
1026 return;
1027 } else {
1028 int error = SSL_get_error(peer->ssl, ret);
1029 if (error != SSL_ERROR_WANT_READ) {
1030 peer->status = PEER_ERROR;
1031 return;
1032 }
1033 /* If we're not in init yet then we're not done with setup yet */
1034 if (!SSL_in_init(peer->ssl))
1035 return;
1036 }
1037
1038 peer->status = PEER_SUCCESS;
1039 }
1040
1041
1042 /*
1043 * RFC 5246 says:
1044 *
1045 * Note that as of TLS 1.1,
1046 * failure to properly close a connection no longer requires that a
1047 * session not be resumed. This is a change from TLS 1.0 to conform
1048 * with widespread implementation practice.
1049 *
1050 * However,
1051 * (a) OpenSSL requires that a connection be shutdown for all protocol versions.
1052 * (b) We test lower versions, too.
1053 * So we just implement shutdown. We do a full bidirectional shutdown so that we
1054 * can compare sent and received close_notify alerts and get some test coverage
1055 * for SSL_shutdown as a bonus.
1056 */
do_shutdown_step(PEER * peer)1057 static void do_shutdown_step(PEER *peer)
1058 {
1059 int ret;
1060
1061 if (!TEST_int_eq(peer->status, PEER_RETRY)) {
1062 peer->status = PEER_TEST_FAILURE;
1063 return;
1064 }
1065 ret = SSL_shutdown(peer->ssl);
1066
1067 if (ret == 1) {
1068 peer->status = PEER_SUCCESS;
1069 } else if (ret < 0) { /* On 0, we retry. */
1070 int error = SSL_get_error(peer->ssl, ret);
1071
1072 if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE)
1073 peer->status = PEER_ERROR;
1074 }
1075 }
1076
1077 typedef enum {
1078 HANDSHAKE,
1079 RENEG_APPLICATION_DATA,
1080 RENEG_SETUP,
1081 RENEG_HANDSHAKE,
1082 APPLICATION_DATA,
1083 SHUTDOWN,
1084 CONNECTION_DONE
1085 } connect_phase_t;
1086
1087
renegotiate_op(const SSL_TEST_CTX * test_ctx)1088 static int renegotiate_op(const SSL_TEST_CTX *test_ctx)
1089 {
1090 switch (test_ctx->handshake_mode) {
1091 case SSL_TEST_HANDSHAKE_RENEG_SERVER:
1092 case SSL_TEST_HANDSHAKE_RENEG_CLIENT:
1093 return 1;
1094 default:
1095 return 0;
1096 }
1097 }
post_handshake_op(const SSL_TEST_CTX * test_ctx)1098 static int post_handshake_op(const SSL_TEST_CTX *test_ctx)
1099 {
1100 switch (test_ctx->handshake_mode) {
1101 case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT:
1102 case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER:
1103 case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH:
1104 return 1;
1105 default:
1106 return 0;
1107 }
1108 }
1109
next_phase(const SSL_TEST_CTX * test_ctx,connect_phase_t phase)1110 static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx,
1111 connect_phase_t phase)
1112 {
1113 switch (phase) {
1114 case HANDSHAKE:
1115 if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx))
1116 return RENEG_APPLICATION_DATA;
1117 return APPLICATION_DATA;
1118 case RENEG_APPLICATION_DATA:
1119 return RENEG_SETUP;
1120 case RENEG_SETUP:
1121 if (post_handshake_op(test_ctx))
1122 return APPLICATION_DATA;
1123 return RENEG_HANDSHAKE;
1124 case RENEG_HANDSHAKE:
1125 return APPLICATION_DATA;
1126 case APPLICATION_DATA:
1127 return SHUTDOWN;
1128 case SHUTDOWN:
1129 return CONNECTION_DONE;
1130 case CONNECTION_DONE:
1131 TEST_error("Trying to progress after connection done");
1132 break;
1133 }
1134 return -1;
1135 }
1136
do_connect_step(const SSL_TEST_CTX * test_ctx,PEER * peer,connect_phase_t phase)1137 static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer,
1138 connect_phase_t phase)
1139 {
1140 switch (phase) {
1141 case HANDSHAKE:
1142 do_handshake_step(peer);
1143 break;
1144 case RENEG_APPLICATION_DATA:
1145 do_app_data_step(peer);
1146 break;
1147 case RENEG_SETUP:
1148 do_reneg_setup_step(test_ctx, peer);
1149 break;
1150 case RENEG_HANDSHAKE:
1151 do_handshake_step(peer);
1152 break;
1153 case APPLICATION_DATA:
1154 do_app_data_step(peer);
1155 break;
1156 case SHUTDOWN:
1157 do_shutdown_step(peer);
1158 break;
1159 case CONNECTION_DONE:
1160 TEST_error("Action after connection done");
1161 break;
1162 }
1163 }
1164
1165 typedef enum {
1166 /* Both parties succeeded. */
1167 HANDSHAKE_SUCCESS,
1168 /* Client errored. */
1169 CLIENT_ERROR,
1170 /* Server errored. */
1171 SERVER_ERROR,
1172 /* Peers are in inconsistent state. */
1173 INTERNAL_ERROR,
1174 /* One or both peers not done. */
1175 HANDSHAKE_RETRY
1176 } handshake_status_t;
1177
1178 /*
1179 * Determine the handshake outcome.
1180 * last_status: the status of the peer to have acted last.
1181 * previous_status: the status of the peer that didn't act last.
1182 * client_spoke_last: 1 if the client went last.
1183 */
handshake_status(peer_status_t last_status,peer_status_t previous_status,int client_spoke_last)1184 static handshake_status_t handshake_status(peer_status_t last_status,
1185 peer_status_t previous_status,
1186 int client_spoke_last)
1187 {
1188 switch (last_status) {
1189 case PEER_TEST_FAILURE:
1190 return INTERNAL_ERROR;
1191
1192 case PEER_WAITING:
1193 /* Shouldn't ever happen */
1194 return INTERNAL_ERROR;
1195
1196 case PEER_SUCCESS:
1197 switch (previous_status) {
1198 case PEER_TEST_FAILURE:
1199 return INTERNAL_ERROR;
1200 case PEER_SUCCESS:
1201 /* Both succeeded. */
1202 return HANDSHAKE_SUCCESS;
1203 case PEER_WAITING:
1204 case PEER_RETRY:
1205 /* Let the first peer finish. */
1206 return HANDSHAKE_RETRY;
1207 case PEER_ERROR:
1208 /*
1209 * Second peer succeeded despite the fact that the first peer
1210 * already errored. This shouldn't happen.
1211 */
1212 return INTERNAL_ERROR;
1213 }
1214 break;
1215
1216 case PEER_RETRY:
1217 return HANDSHAKE_RETRY;
1218
1219 case PEER_ERROR:
1220 switch (previous_status) {
1221 case PEER_TEST_FAILURE:
1222 return INTERNAL_ERROR;
1223 case PEER_WAITING:
1224 /* The client failed immediately before sending the ClientHello */
1225 return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR;
1226 case PEER_SUCCESS:
1227 /*
1228 * First peer succeeded but second peer errored.
1229 * TODO(emilia): we should be able to continue here (with some
1230 * application data?) to ensure the first peer receives the
1231 * alert / close_notify.
1232 * (No tests currently exercise this branch.)
1233 */
1234 return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR;
1235 case PEER_RETRY:
1236 /* We errored; let the peer finish. */
1237 return HANDSHAKE_RETRY;
1238 case PEER_ERROR:
1239 /* Both peers errored. Return the one that errored first. */
1240 return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR;
1241 }
1242 }
1243 /* Control should never reach here. */
1244 return INTERNAL_ERROR;
1245 }
1246
1247 /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */
dup_str(const unsigned char * in,size_t len)1248 static char *dup_str(const unsigned char *in, size_t len)
1249 {
1250 char *ret = NULL;
1251
1252 if (len == 0)
1253 return NULL;
1254
1255 /* Assert that the string does not contain NUL-bytes. */
1256 if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len))
1257 TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len));
1258 return ret;
1259 }
1260
pkey_type(EVP_PKEY * pkey)1261 static int pkey_type(EVP_PKEY *pkey)
1262 {
1263 int nid = EVP_PKEY_id(pkey);
1264
1265 #ifndef OPENSSL_NO_EC
1266 if (nid == EVP_PKEY_EC) {
1267 const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey);
1268 return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
1269 }
1270 #endif
1271 return nid;
1272 }
1273
peer_pkey_type(SSL * s)1274 static int peer_pkey_type(SSL *s)
1275 {
1276 X509 *x = SSL_get_peer_certificate(s);
1277
1278 if (x != NULL) {
1279 int nid = pkey_type(X509_get0_pubkey(x));
1280
1281 X509_free(x);
1282 return nid;
1283 }
1284 return NID_undef;
1285 }
1286
1287 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
set_sock_as_sctp(int sock)1288 static int set_sock_as_sctp(int sock)
1289 {
1290 struct sctp_assocparams assocparams;
1291 struct sctp_rtoinfo rto_info;
1292 BIO *tmpbio;
1293
1294 /*
1295 * To allow tests to fail fast (within a second or so), reduce the
1296 * retransmission timeouts and the number of retransmissions.
1297 */
1298 memset(&rto_info, 0, sizeof(struct sctp_rtoinfo));
1299 rto_info.srto_initial = 100;
1300 rto_info.srto_max = 200;
1301 rto_info.srto_min = 50;
1302 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO,
1303 (const void *)&rto_info, sizeof(struct sctp_rtoinfo));
1304 memset(&assocparams, 0, sizeof(struct sctp_assocparams));
1305 assocparams.sasoc_asocmaxrxt = 2;
1306 (void)setsockopt(sock, IPPROTO_SCTP, SCTP_ASSOCINFO,
1307 (const void *)&assocparams,
1308 sizeof(struct sctp_assocparams));
1309
1310 /*
1311 * For SCTP we have to set various options on the socket prior to
1312 * connecting. This is done automatically by BIO_new_dgram_sctp().
1313 * We don't actually need the created BIO though so we free it again
1314 * immediately.
1315 */
1316 tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
1317
1318 if (tmpbio == NULL)
1319 return 0;
1320 BIO_free(tmpbio);
1321
1322 return 1;
1323 }
1324
create_sctp_socks(int * ssock,int * csock)1325 static int create_sctp_socks(int *ssock, int *csock)
1326 {
1327 BIO_ADDRINFO *res = NULL;
1328 const BIO_ADDRINFO *ai = NULL;
1329 int lsock = INVALID_SOCKET, asock = INVALID_SOCKET;
1330 int consock = INVALID_SOCKET;
1331 int ret = 0;
1332 int family = 0;
1333
1334 if (BIO_sock_init() != 1)
1335 return 0;
1336
1337 /*
1338 * Port is 4463. It could be anything. It will fail if it's already being
1339 * used for some other SCTP service. It seems unlikely though so we don't
1340 * worry about it here.
1341 */
1342 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM,
1343 IPPROTO_SCTP, &res))
1344 return 0;
1345
1346 for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) {
1347 family = BIO_ADDRINFO_family(ai);
1348 lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1349 if (lsock == INVALID_SOCKET) {
1350 /* Maybe the kernel doesn't support the socket family, even if
1351 * BIO_lookup() added it in the returned result...
1352 */
1353 continue;
1354 }
1355
1356 if (!set_sock_as_sctp(lsock)
1357 || !BIO_listen(lsock, BIO_ADDRINFO_address(ai),
1358 BIO_SOCK_REUSEADDR)) {
1359 BIO_closesocket(lsock);
1360 lsock = INVALID_SOCKET;
1361 continue;
1362 }
1363
1364 /* Success, don't try any more addresses */
1365 break;
1366 }
1367
1368 if (lsock == INVALID_SOCKET)
1369 goto err;
1370
1371 BIO_ADDRINFO_free(res);
1372 res = NULL;
1373
1374 if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM,
1375 IPPROTO_SCTP, &res))
1376 goto err;
1377
1378 consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0);
1379 if (consock == INVALID_SOCKET)
1380 goto err;
1381
1382 if (!set_sock_as_sctp(consock)
1383 || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0)
1384 || !BIO_socket_nbio(consock, 1))
1385 goto err;
1386
1387 asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK);
1388 if (asock == INVALID_SOCKET)
1389 goto err;
1390
1391 *csock = consock;
1392 *ssock = asock;
1393 consock = asock = INVALID_SOCKET;
1394 ret = 1;
1395
1396 err:
1397 BIO_ADDRINFO_free(res);
1398 if (consock != INVALID_SOCKET)
1399 BIO_closesocket(consock);
1400 if (lsock != INVALID_SOCKET)
1401 BIO_closesocket(lsock);
1402 if (asock != INVALID_SOCKET)
1403 BIO_closesocket(asock);
1404 return ret;
1405 }
1406 #endif
1407
1408 /*
1409 * Note that |extra| points to the correct client/server configuration
1410 * within |test_ctx|. When configuring the handshake, general mode settings
1411 * are taken from |test_ctx|, and client/server-specific settings should be
1412 * taken from |extra|.
1413 *
1414 * The configuration code should never reach into |test_ctx->extra| or
1415 * |test_ctx->resume_extra| directly.
1416 *
1417 * (We could refactor test mode settings into a substructure. This would result
1418 * in cleaner argument passing but would complicate the test configuration
1419 * parsing.)
1420 */
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)1421 static HANDSHAKE_RESULT *do_handshake_internal(
1422 SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx,
1423 const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra,
1424 SSL_SESSION *session_in, SSL_SESSION *serv_sess_in,
1425 SSL_SESSION **session_out, SSL_SESSION **serv_sess_out)
1426 {
1427 PEER server, client;
1428 BIO *client_to_server = NULL, *server_to_client = NULL;
1429 HANDSHAKE_EX_DATA server_ex_data, client_ex_data;
1430 CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data;
1431 HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new();
1432 int client_turn = 1, client_turn_count = 0, client_wait_count = 0;
1433 connect_phase_t phase = HANDSHAKE;
1434 handshake_status_t status = HANDSHAKE_RETRY;
1435 const unsigned char* tick = NULL;
1436 size_t tick_len = 0;
1437 const unsigned char* sess_id = NULL;
1438 unsigned int sess_id_len = 0;
1439 SSL_SESSION* sess = NULL;
1440 const unsigned char *proto = NULL;
1441 /* API dictates unsigned int rather than size_t. */
1442 unsigned int proto_len = 0;
1443 EVP_PKEY *tmp_key;
1444 const STACK_OF(X509_NAME) *names;
1445 time_t start;
1446 const char* cipher;
1447
1448 if (ret == NULL)
1449 return NULL;
1450
1451 memset(&server_ctx_data, 0, sizeof(server_ctx_data));
1452 memset(&server2_ctx_data, 0, sizeof(server2_ctx_data));
1453 memset(&client_ctx_data, 0, sizeof(client_ctx_data));
1454 memset(&server, 0, sizeof(server));
1455 memset(&client, 0, sizeof(client));
1456 memset(&server_ex_data, 0, sizeof(server_ex_data));
1457 memset(&client_ex_data, 0, sizeof(client_ex_data));
1458
1459 if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx,
1460 test_ctx, extra, &server_ctx_data,
1461 &server2_ctx_data, &client_ctx_data)) {
1462 TEST_note("configure_handshake_ctx");
1463 return NULL;
1464 }
1465
1466 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1467 if (test_ctx->enable_client_sctp_label_bug)
1468 SSL_CTX_set_mode(client_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1469 if (test_ctx->enable_server_sctp_label_bug)
1470 SSL_CTX_set_mode(server_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1471 #endif
1472
1473 /* Setup SSL and buffers; additional configuration happens below. */
1474 if (!create_peer(&server, server_ctx)) {
1475 TEST_note("creating server context");
1476 goto err;
1477 }
1478 if (!create_peer(&client, client_ctx)) {
1479 TEST_note("creating client context");
1480 goto err;
1481 }
1482
1483 server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size;
1484 client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size;
1485
1486 configure_handshake_ssl(server.ssl, client.ssl, extra);
1487 if (session_in != NULL) {
1488 SSL_SESSION_get_id(serv_sess_in, &sess_id_len);
1489 /* In case we're testing resumption without tickets. */
1490 if ((sess_id_len > 0
1491 && !TEST_true(SSL_CTX_add_session(server_ctx,
1492 serv_sess_in)))
1493 || !TEST_true(SSL_set_session(client.ssl, session_in)))
1494 goto err;
1495 sess_id_len = 0;
1496 }
1497
1498 ret->result = SSL_TEST_INTERNAL_ERROR;
1499
1500 if (test_ctx->use_sctp) {
1501 #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK)
1502 int csock, ssock;
1503
1504 if (create_sctp_socks(&ssock, &csock)) {
1505 client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE);
1506 server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE);
1507 }
1508 #endif
1509 } else {
1510 client_to_server = BIO_new(BIO_s_mem());
1511 server_to_client = BIO_new(BIO_s_mem());
1512 }
1513
1514 if (!TEST_ptr(client_to_server)
1515 || !TEST_ptr(server_to_client))
1516 goto err;
1517
1518 /* Non-blocking bio. */
1519 BIO_set_nbio(client_to_server, 1);
1520 BIO_set_nbio(server_to_client, 1);
1521
1522 SSL_set_connect_state(client.ssl);
1523 SSL_set_accept_state(server.ssl);
1524
1525 /* The bios are now owned by the SSL object. */
1526 if (test_ctx->use_sctp) {
1527 SSL_set_bio(client.ssl, client_to_server, client_to_server);
1528 SSL_set_bio(server.ssl, server_to_client, server_to_client);
1529 } else {
1530 SSL_set_bio(client.ssl, server_to_client, client_to_server);
1531 if (!TEST_int_gt(BIO_up_ref(server_to_client), 0)
1532 || !TEST_int_gt(BIO_up_ref(client_to_server), 0))
1533 goto err;
1534 SSL_set_bio(server.ssl, client_to_server, server_to_client);
1535 }
1536
1537 ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL);
1538 if (!TEST_int_ge(ex_data_idx, 0)
1539 || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1)
1540 || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1))
1541 goto err;
1542
1543 SSL_set_info_callback(server.ssl, &info_cb);
1544 SSL_set_info_callback(client.ssl, &info_cb);
1545
1546 client.status = PEER_RETRY;
1547 server.status = PEER_WAITING;
1548
1549 start = time(NULL);
1550
1551 /*
1552 * Half-duplex handshake loop.
1553 * Client and server speak to each other synchronously in the same process.
1554 * We use non-blocking BIOs, so whenever one peer blocks for read, it
1555 * returns PEER_RETRY to indicate that it's the other peer's turn to write.
1556 * The handshake succeeds once both peers have succeeded. If one peer
1557 * errors out, we also let the other peer retry (and presumably fail).
1558 */
1559 for(;;) {
1560 if (client_turn) {
1561 do_connect_step(test_ctx, &client, phase);
1562 status = handshake_status(client.status, server.status,
1563 1 /* client went last */);
1564 if (server.status == PEER_WAITING)
1565 server.status = PEER_RETRY;
1566 } else {
1567 do_connect_step(test_ctx, &server, phase);
1568 status = handshake_status(server.status, client.status,
1569 0 /* server went last */);
1570 }
1571
1572 switch (status) {
1573 case HANDSHAKE_SUCCESS:
1574 client_turn_count = 0;
1575 phase = next_phase(test_ctx, phase);
1576 if (phase == CONNECTION_DONE) {
1577 ret->result = SSL_TEST_SUCCESS;
1578 goto err;
1579 } else {
1580 client.status = server.status = PEER_RETRY;
1581 /*
1582 * For now, client starts each phase. Since each phase is
1583 * started separately, we can later control this more
1584 * precisely, for example, to test client-initiated and
1585 * server-initiated shutdown.
1586 */
1587 client_turn = 1;
1588 break;
1589 }
1590 case CLIENT_ERROR:
1591 ret->result = SSL_TEST_CLIENT_FAIL;
1592 goto err;
1593 case SERVER_ERROR:
1594 ret->result = SSL_TEST_SERVER_FAIL;
1595 goto err;
1596 case INTERNAL_ERROR:
1597 ret->result = SSL_TEST_INTERNAL_ERROR;
1598 goto err;
1599 case HANDSHAKE_RETRY:
1600 if (test_ctx->use_sctp) {
1601 if (time(NULL) - start > 3) {
1602 /*
1603 * We've waited for too long. Give up.
1604 */
1605 ret->result = SSL_TEST_INTERNAL_ERROR;
1606 goto err;
1607 }
1608 /*
1609 * With "real" sockets we only swap to processing the peer
1610 * if they are expecting to retry. Otherwise we just retry the
1611 * same endpoint again.
1612 */
1613 if ((client_turn && server.status == PEER_RETRY)
1614 || (!client_turn && client.status == PEER_RETRY))
1615 client_turn ^= 1;
1616 } else {
1617 if (client_turn_count++ >= 2000) {
1618 /*
1619 * At this point, there's been so many PEER_RETRY in a row
1620 * that it's likely both sides are stuck waiting for a read.
1621 * It's time to give up.
1622 */
1623 ret->result = SSL_TEST_INTERNAL_ERROR;
1624 goto err;
1625 }
1626 if (client_turn && server.status == PEER_SUCCESS) {
1627 /*
1628 * The server may finish before the client because the
1629 * client spends some turns processing NewSessionTickets.
1630 */
1631 if (client_wait_count++ >= 2) {
1632 ret->result = SSL_TEST_INTERNAL_ERROR;
1633 goto err;
1634 }
1635 } else {
1636 /* Continue. */
1637 client_turn ^= 1;
1638 }
1639 }
1640 break;
1641 }
1642 }
1643 err:
1644 ret->server_alert_sent = server_ex_data.alert_sent;
1645 ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent;
1646 ret->server_alert_received = client_ex_data.alert_received;
1647 ret->client_alert_sent = client_ex_data.alert_sent;
1648 ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent;
1649 ret->client_alert_received = server_ex_data.alert_received;
1650 ret->server_protocol = SSL_version(server.ssl);
1651 ret->client_protocol = SSL_version(client.ssl);
1652 ret->servername = server_ex_data.servername;
1653 if ((sess = SSL_get0_session(client.ssl)) != NULL) {
1654 SSL_SESSION_get0_ticket(sess, &tick, &tick_len);
1655 sess_id = SSL_SESSION_get_id(sess, &sess_id_len);
1656 }
1657 if (tick == NULL || tick_len == 0)
1658 ret->session_ticket = SSL_TEST_SESSION_TICKET_NO;
1659 else
1660 ret->session_ticket = SSL_TEST_SESSION_TICKET_YES;
1661 ret->compression = (SSL_get_current_compression(client.ssl) == NULL)
1662 ? SSL_TEST_COMPRESSION_NO
1663 : SSL_TEST_COMPRESSION_YES;
1664 if (sess_id == NULL || sess_id_len == 0)
1665 ret->session_id = SSL_TEST_SESSION_ID_NO;
1666 else
1667 ret->session_id = SSL_TEST_SESSION_ID_YES;
1668 ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call;
1669
1670 #ifndef OPENSSL_NO_NEXTPROTONEG
1671 SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len);
1672 ret->client_npn_negotiated = dup_str(proto, proto_len);
1673
1674 SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len);
1675 ret->server_npn_negotiated = dup_str(proto, proto_len);
1676 #endif
1677
1678 SSL_get0_alpn_selected(client.ssl, &proto, &proto_len);
1679 ret->client_alpn_negotiated = dup_str(proto, proto_len);
1680
1681 SSL_get0_alpn_selected(server.ssl, &proto, &proto_len);
1682 ret->server_alpn_negotiated = dup_str(proto, proto_len);
1683
1684 if ((sess = SSL_get0_session(server.ssl)) != NULL) {
1685 SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len);
1686 ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len);
1687 }
1688
1689 ret->client_resumed = SSL_session_reused(client.ssl);
1690 ret->server_resumed = SSL_session_reused(server.ssl);
1691
1692 cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl));
1693 ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher));
1694
1695 if (session_out != NULL)
1696 *session_out = SSL_get1_session(client.ssl);
1697 if (serv_sess_out != NULL) {
1698 SSL_SESSION *tmp = SSL_get_session(server.ssl);
1699
1700 /*
1701 * We create a fresh copy that is not in the server session ctx linked
1702 * list.
1703 */
1704 if (tmp != NULL)
1705 *serv_sess_out = SSL_SESSION_dup(tmp);
1706 }
1707
1708 if (SSL_get_peer_tmp_key(client.ssl, &tmp_key)) {
1709 ret->tmp_key_type = pkey_type(tmp_key);
1710 EVP_PKEY_free(tmp_key);
1711 }
1712
1713 SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash);
1714 SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash);
1715
1716 SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type);
1717 SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type);
1718
1719 names = SSL_get0_peer_CA_list(client.ssl);
1720 if (names == NULL)
1721 ret->client_ca_names = NULL;
1722 else
1723 ret->client_ca_names = SSL_dup_CA_list(names);
1724
1725 names = SSL_get0_peer_CA_list(server.ssl);
1726 if (names == NULL)
1727 ret->server_ca_names = NULL;
1728 else
1729 ret->server_ca_names = SSL_dup_CA_list(names);
1730
1731 ret->server_cert_type = peer_pkey_type(client.ssl);
1732 ret->client_cert_type = peer_pkey_type(server.ssl);
1733
1734 ctx_data_free_data(&server_ctx_data);
1735 ctx_data_free_data(&server2_ctx_data);
1736 ctx_data_free_data(&client_ctx_data);
1737
1738 peer_free_data(&server);
1739 peer_free_data(&client);
1740 return ret;
1741 }
1742
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)1743 HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx,
1744 SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx,
1745 SSL_CTX *resume_client_ctx,
1746 const SSL_TEST_CTX *test_ctx)
1747 {
1748 HANDSHAKE_RESULT *result;
1749 SSL_SESSION *session = NULL, *serv_sess = NULL;
1750
1751 result = do_handshake_internal(server_ctx, server2_ctx, client_ctx,
1752 test_ctx, &test_ctx->extra,
1753 NULL, NULL, &session, &serv_sess);
1754 if (result == NULL
1755 || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME
1756 || result->result == SSL_TEST_INTERNAL_ERROR)
1757 goto end;
1758
1759 if (result->result != SSL_TEST_SUCCESS) {
1760 result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED;
1761 goto end;
1762 }
1763
1764 HANDSHAKE_RESULT_free(result);
1765 /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */
1766 result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx,
1767 test_ctx, &test_ctx->resume_extra,
1768 session, serv_sess, NULL, NULL);
1769 end:
1770 SSL_SESSION_free(session);
1771 SSL_SESSION_free(serv_sess);
1772 return result;
1773 }
1774